./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1139243508 <...> forked to background, child pid 4671 [ 32.826060][ T4672] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.838036][ T4672] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: [ 33.013282][ T4744] ssh-keygen (4744) used greatest stack depth: 22128 bytes left OK syzkaller Warning: Permanently added '10.128.1.173' (ECDSA) to the list of known hosts. execve("./syz-executor1139243508", ["./syz-executor1139243508"], 0x7ffe08489360 /* 10 vars */) = 0 brk(NULL) = 0x5555570a3000 brk(0x5555570a3c40) = 0x5555570a3c40 arch_prctl(ARCH_SET_FS, 0x5555570a3300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1139243508", 4096) = 28 brk(0x5555570c4c40) = 0x5555570c4c40 brk(0x5555570c5000) = 0x5555570c5000 mprotect(0x7f7b872b2000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+memory", 7) = 7 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 syzkaller login: [ 70.225459][ T5002] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) [ 70.436166][ T5002] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 getpid() = 5002 mkdir("./syzkaller.7XU5ep", 0700) = 0 chmod("./syzkaller.7XU5ep", 0777) = 0 chdir("./syzkaller.7XU5ep") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5005 attached , child_tidptr=0x5555570a35d0) = 5005 [pid 5005] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] setsid() = 1 [pid 5005] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5005] unshare(CLONE_NEWNS) = 0 [pid 5005] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5005] unshare(CLONE_NEWIPC) = 0 [pid 5005] unshare(CLONE_NEWCGROUP) = 0 [pid 5005] unshare(CLONE_NEWUTS) = 0 [pid 5005] unshare(CLONE_SYSVSEM) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "16777216", 8) = 8 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "536870912", 9) = 9 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1024", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "8192", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1024", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1024", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5005] close(3) = 0 [pid 5005] getpid() = 1 [pid 5005] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< #1 (freezer_mutex){+.+.}-{3:3}: [ 70.741536][ T5007] __mutex_lock+0x12f/0x1350 [ 70.746665][ T5007] freezer_write+0xa1/0xb50 [ 70.751684][ T5007] cgroup_file_write+0x1e2/0x7b0 [ 70.757147][ T5007] kernfs_fop_write_iter+0x3f1/0x600 [ 70.762961][ T5007] vfs_write+0x945/0xd50 [ 70.767727][ T5007] ksys_write+0x12b/0x250 [ 70.772576][ T5007] do_syscall_64+0x39/0xb0 [ 70.777507][ T5007] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 70.783932][ T5007] [ 70.783932][ T5007] -> #0 (cpu_hotplug_lock){++++}-{0:0}: [ 70.791662][ T5007] __lock_acquire+0x2f21/0x5df0 [ 70.797039][ T5007] lock_acquire+0x1b1/0x520 [ 70.802066][ T5007] cpus_read_lock+0x42/0x160 [ 70.807185][ T5007] static_key_slow_inc+0x13/0x30 [ 70.812642][ T5007] freezer_css_online+0x102/0x170 [ 70.818184][ T5007] online_css+0xaf/0x2a0 [ 70.822943][ T5007] cgroup_apply_control_enable+0x69b/0xc00 [ 70.829277][ T5007] cgroup_mkdir+0x5b9/0x10b0 [ 70.834394][ T5007] kernfs_iop_mkdir+0x14a/0x1d0 [ 70.839773][ T5007] vfs_mkdir+0x242/0x460 [ 70.844536][ T5007] do_mkdirat+0x28d/0x310 [ 70.849397][ T5007] __x64_sys_mkdirat+0x119/0x170 [ 70.854859][ T5007] do_syscall_64+0x39/0xb0 [ 70.859793][ T5007] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 70.866221][ T5007] [ 70.866221][ T5007] other info that might help us debug this: [ 70.866221][ T5007] [ 70.876437][ T5007] Possible unsafe locking scenario: [ 70.876437][ T5007] [ 70.883878][ T5007] CPU0 CPU1 [ 70.889235][ T5007] ---- ---- [ 70.894588][ T5007] lock(freezer_mutex); [ 70.898829][ T5007] lock(cpu_hotplug_lock); [ 70.905844][ T5007] lock(freezer_mutex); [ 70.912597][ T5007] rlock(cpu_hotplug_lock); [ 70.917181][ T5007] [ 70.917181][ T5007] *** DEADLOCK *** [ 70.917181][ T5007] [ 70.925313][ T5007] 4 locks held by syz-executor113/5007: [ 70.930849][ T5007] #0: ffff888076250460 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0xf5/0x4a0 [ 70.940268][ T5007] #1: ffff8880782bdfb0 (&type->i_mutex_dir_key#7/1){+.+.}-{3:3}, at: filename_create+0x1ae/0x4a0 [ 70.950910][ T5007] #2: ffffffff8c7e1748 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_kn_lock_live+0x138/0x520 [ 70.960669][ T5007] #3: ffffffff8c7ec468 (freezer_mutex){+.+.}-{3:3}, at: freezer_css_online+0x55/0x170 [ 70.970336][ T5007] [ 70.970336][ T5007] stack backtrace: [ 70.976217][ T5007] CPU: 0 PID: 5007 Comm: syz-executor113 Not tainted 6.4.0-rc1-syzkaller-00328-g833e24aeb4d9 #0 [ 70.986620][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 70.996666][ T5007] Call Trace: [ 70.999937][ T5007] [ 71.002860][ T5007] dump_stack_lvl+0xd9/0x150 [ 71.007450][ T5007] check_noncircular+0x25f/0x2e0 [ 71.012394][ T5007] ? print_circular_bug+0x730/0x730 [ 71.017600][ T5007] ? __lock_acquire+0x1916/0x5df0 [ 71.022632][ T5007] __lock_acquire+0x2f21/0x5df0 [ 71.027493][ T5007] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 71.033484][ T5007] ? rcu_is_watching+0x12/0xb0 [ 71.038256][ T5007] ? trace_contention_end+0xd8/0x100 [ 71.043587][ T5007] lock_acquire+0x1b1/0x520 [ 71.048111][ T5007] ? static_key_slow_inc+0x13/0x30 [ 71.053227][ T5007] ? lock_sync+0x190/0x190 [ 71.057645][ T5007] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 71.063201][ T5007] cpus_read_lock+0x42/0x160 [ 71.067801][ T5007] ? static_key_slow_inc+0x13/0x30 [ 71.072912][ T5007] static_key_slow_inc+0x13/0x30 [ 71.077937][ T5007] freezer_css_online+0x102/0x170 [ 71.083048][ T5007] ? freezer_css_offline+0xc0/0xc0 [ 71.088167][ T5007] online_css+0xaf/0x2a0 [ 71.092410][ T5007] cgroup_apply_control_enable+0x69b/0xc00 [ 71.098231][ T5007] cgroup_mkdir+0x5b9/0x10b0 [ 71.102826][ T5007] ? cgroup_destroy_locked+0x720/0x720 [ 71.108294][ T5007] kernfs_iop_mkdir+0x14a/0x1d0 [ 71.113160][ T5007] vfs_mkdir+0x242/0x460 [ 71.117408][ T5007] do_mkdirat+0x28d/0x310 [ 71.121742][ T5007] ? __ia32_sys_mknod+0xb0/0xb0 [ 71.126600][ T5007] ? getname_flags.part.0+0x1dd/0x4f0 [ 71.131978][ T5007] __x64_sys_mkdirat+0x119/0x170 [ 71.136923][ T5007] do_syscall_64+0x39/0xb0 [ 71.141361][ T5007] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 71.147264][ T5007] RIP: 0033:0x7f7b87243e09 [ 71.151673][ T5007] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 71.171279][ T5007] RSP: 002b:00007ffea8c5ca78 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 71.179697][ T5007] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7b87243e09 [ 71.187748][ T5007] RDX: 00000000000001ff RSI: 0000000020000180 RDI: 0000000000000003 [ 71.195712][ T5007] RBP: 0000000000000000 R08: 00007ffea8c5caa0 R09: 00007ffea8c5caa0 [pid 5007] mkdirat(3, "syz0", 0777) = 0 [pid 5007] close(3) = 0 [pid 5007] close(4) = 0 [pid 5007] close(5) = -1 EBADF (Bad file descriptor) [pid 5007] close(6) = -1 EBADF (Bad file descriptor) [pid 5007] close(7) = -1 EBADF (Bad file descriptor) [pid 5007] close(8) = -1 EBADF (Bad file descriptor) [pid 5007] close(9) = -1 EBADF (Bad file descriptor) [pid 5007] close(10) = -1 EBADF (Bad file descriptor) [pid 5007] close(11) = -1 EBADF (Bad file descriptor) [pid 5007] close(12) = -1 EBADF (Bad file descriptor) [pid 5007] close(13) = -1 EBADF (Bad file descriptor) [pid 5007] close(14) = -1 EBADF (Bad file descriptor) [pid 5007] close(15) = -1 EBADF (Bad file descriptor) [pid 5007] close(16) = -1 EBADF (Bad file descriptor) [pid 5007] close(17) = -1 EBADF (Bad file descriptor) [pid 5007] close(18) = -1 EBADF (Bad file descriptor) [pid 5007] close(19) = -1 EBADF (Bad file descriptor) [pid 5007] close(20) = -1 EBADF (Bad file descriptor) [pid 5007] close(21) = -1 EBADF (Bad file descriptor) [pid 5007] close(22) = -1 EBADF (Bad file descriptor) [pid 5007] close(23) = -1 EBADF (Bad file descriptor) [pid 5007] close(24) = -1 EBADF (Bad file descriptor) [pid 5007] close(25) = -1 EBADF (Bad file descriptor) [pid 5007] close(26) = -1 EBADF (Bad file descriptor) [pid 5007] close(27) = -1 EBADF (Bad file descriptor) [pid 5007] close(28) = -1 EBADF (Bad file descriptor) [pid 5007] close(29) = -1 EBADF (Bad file descriptor) [pid 5007] exit_group(0) = ? [pid 5007] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./0/cgroup.cpu") = 0 [pid 5005] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./0/binderfs") = 0 [pid 5005] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./0/cgroup") = 0 [pid 5005] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./0/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./0") = 0 [pid 5005] mkdir("./1", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 3 ./strace-static-x86_64: Process 5008 attached [pid 5008] chdir("./1") = 0 [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5008] setpgid(0, 0) = 0 [pid 5008] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5008] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5008] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "1000", 4) = 4 [pid 5008] close(3) = 0 [pid 5008] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5008] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5008] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5008] openat(3, "freezer.state", O_RDWR) = 4 [pid 5008] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5008] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5008] close(3) = 0 [pid 5008] close(4) = 0 [pid 5008] close(5) = -1 EBADF (Bad file descriptor) [pid 5008] close(6) = -1 EBADF (Bad file descriptor) [pid 5008] close(7) = -1 EBADF (Bad file descriptor) [pid 5008] close(8) = -1 EBADF (Bad file descriptor) [pid 5008] close(9) = -1 EBADF (Bad file descriptor) [pid 5008] close(10) = -1 EBADF (Bad file descriptor) [pid 5008] close(11) = -1 EBADF (Bad file descriptor) [pid 5008] close(12) = -1 EBADF (Bad file descriptor) [pid 5008] close(13) = -1 EBADF (Bad file descriptor) [pid 5008] close(14) = -1 EBADF (Bad file descriptor) [pid 5008] close(15) = -1 EBADF (Bad file descriptor) [pid 5008] close(16) = -1 EBADF (Bad file descriptor) [pid 5008] close(17) = -1 EBADF (Bad file descriptor) [pid 5008] close(18) = -1 EBADF (Bad file descriptor) [pid 5008] close(19) = -1 EBADF (Bad file descriptor) [pid 5008] close(20) = -1 EBADF (Bad file descriptor) [pid 5008] close(21) = -1 EBADF (Bad file descriptor) [pid 5008] close(22) = -1 EBADF (Bad file descriptor) [pid 5008] close(23) = -1 EBADF (Bad file descriptor) [pid 5008] close(24) = -1 EBADF (Bad file descriptor) [pid 5008] close(25) = -1 EBADF (Bad file descriptor) [pid 5008] close(26) = -1 EBADF (Bad file descriptor) [pid 5008] close(27) = -1 EBADF (Bad file descriptor) [pid 5008] close(28) = -1 EBADF (Bad file descriptor) [pid 5008] close(29) = -1 EBADF (Bad file descriptor) [pid 5008] exit_group(0) = ? [pid 5008] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./1/cgroup.cpu") = 0 [pid 5005] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./1/binderfs") = 0 [pid 5005] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./1/cgroup") = 0 [pid 5005] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./1/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./1") = 0 [pid 5005] mkdir("./2", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5009 attached [pid 5009] chdir("./2") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 4 [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5009] setpgid(0, 0) = 0 [pid 5009] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5009] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5009] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [ 71.203677][ T5007] R10: 00007ffea8c5caa0 R11: 0000000000000246 R12: 00007ffea8c5ca9c [ 71.211643][ T5007] R13: 00007ffea8c5cab0 R14: 00007ffea8c5caf0 R15: 0000000000000000 [ 71.219617][ T5007] [pid 5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5009] write(3, "1000", 4) = 4 [pid 5009] close(3) = 0 [pid 5009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5009] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5009] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5009] openat(3, "freezer.state", O_RDWR) = 4 [pid 5009] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5009] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5009] close(3) = 0 [pid 5009] close(4) = 0 [pid 5009] close(5) = -1 EBADF (Bad file descriptor) [pid 5009] close(6) = -1 EBADF (Bad file descriptor) [pid 5009] close(7) = -1 EBADF (Bad file descriptor) [pid 5009] close(8) = -1 EBADF (Bad file descriptor) [pid 5009] close(9) = -1 EBADF (Bad file descriptor) [pid 5009] close(10) = -1 EBADF (Bad file descriptor) [pid 5009] close(11) = -1 EBADF (Bad file descriptor) [pid 5009] close(12) = -1 EBADF (Bad file descriptor) [pid 5009] close(13) = -1 EBADF (Bad file descriptor) [pid 5009] close(14) = -1 EBADF (Bad file descriptor) [pid 5009] close(15) = -1 EBADF (Bad file descriptor) [pid 5009] close(16) = -1 EBADF (Bad file descriptor) [pid 5009] close(17) = -1 EBADF (Bad file descriptor) [pid 5009] close(18) = -1 EBADF (Bad file descriptor) [pid 5009] close(19) = -1 EBADF (Bad file descriptor) [pid 5009] close(20) = -1 EBADF (Bad file descriptor) [pid 5009] close(21) = -1 EBADF (Bad file descriptor) [pid 5009] close(22) = -1 EBADF (Bad file descriptor) [pid 5009] close(23) = -1 EBADF (Bad file descriptor) [pid 5009] close(24) = -1 EBADF (Bad file descriptor) [pid 5009] close(25) = -1 EBADF (Bad file descriptor) [pid 5009] close(26) = -1 EBADF (Bad file descriptor) [pid 5009] close(27) = -1 EBADF (Bad file descriptor) [pid 5009] close(28) = -1 EBADF (Bad file descriptor) [pid 5009] close(29) = -1 EBADF (Bad file descriptor) [pid 5009] exit_group(0) = ? [pid 5009] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./2/cgroup.cpu") = 0 [pid 5005] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./2/binderfs") = 0 [pid 5005] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./2/cgroup") = 0 [pid 5005] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./2/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./2") = 0 [pid 5005] mkdir("./3", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5010 attached [pid 5010] chdir("./3") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 5 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5010] setpgid(0, 0) = 0 [pid 5010] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5010] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5010] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "1000", 4) = 4 [pid 5010] close(3) = 0 [pid 5010] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5010] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5010] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5010] openat(3, "freezer.state", O_RDWR) = 4 [pid 5010] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5010] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5010] close(3) = 0 [pid 5010] close(4) = 0 [pid 5010] close(5) = -1 EBADF (Bad file descriptor) [pid 5010] close(6) = -1 EBADF (Bad file descriptor) [pid 5010] close(7) = -1 EBADF (Bad file descriptor) [pid 5010] close(8) = -1 EBADF (Bad file descriptor) [pid 5010] close(9) = -1 EBADF (Bad file descriptor) [pid 5010] close(10) = -1 EBADF (Bad file descriptor) [pid 5010] close(11) = -1 EBADF (Bad file descriptor) [pid 5010] close(12) = -1 EBADF (Bad file descriptor) [pid 5010] close(13) = -1 EBADF (Bad file descriptor) [pid 5010] close(14) = -1 EBADF (Bad file descriptor) [pid 5010] close(15) = -1 EBADF (Bad file descriptor) [pid 5010] close(16) = -1 EBADF (Bad file descriptor) [pid 5010] close(17) = -1 EBADF (Bad file descriptor) [pid 5010] close(18) = -1 EBADF (Bad file descriptor) [pid 5010] close(19) = -1 EBADF (Bad file descriptor) [pid 5010] close(20) = -1 EBADF (Bad file descriptor) [pid 5010] close(21) = -1 EBADF (Bad file descriptor) [pid 5010] close(22) = -1 EBADF (Bad file descriptor) [pid 5010] close(23) = -1 EBADF (Bad file descriptor) [pid 5010] close(24) = -1 EBADF (Bad file descriptor) [pid 5010] close(25) = -1 EBADF (Bad file descriptor) [pid 5010] close(26) = -1 EBADF (Bad file descriptor) [pid 5010] close(27) = -1 EBADF (Bad file descriptor) [pid 5010] close(28) = -1 EBADF (Bad file descriptor) [pid 5010] close(29) = -1 EBADF (Bad file descriptor) [pid 5010] exit_group(0) = ? [pid 5010] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./3/cgroup.cpu") = 0 [pid 5005] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./3/binderfs") = 0 [pid 5005] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./3/cgroup") = 0 [pid 5005] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./3/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./3") = 0 [pid 5005] mkdir("./4", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5011 attached , child_tidptr=0x5555570a35d0) = 6 [pid 5011] chdir("./4") = 0 [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5011] setpgid(0, 0) = 0 [pid 5011] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5011] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5011] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5011] write(3, "1000", 4) = 4 [pid 5011] close(3) = 0 [pid 5011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5011] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5011] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5011] openat(3, "freezer.state", O_RDWR) = 4 [pid 5011] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5011] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5011] close(3) = 0 [pid 5011] close(4) = 0 [pid 5011] close(5) = -1 EBADF (Bad file descriptor) [pid 5011] close(6) = -1 EBADF (Bad file descriptor) [pid 5011] close(7) = -1 EBADF (Bad file descriptor) [pid 5011] close(8) = -1 EBADF (Bad file descriptor) [pid 5011] close(9) = -1 EBADF (Bad file descriptor) [pid 5011] close(10) = -1 EBADF (Bad file descriptor) [pid 5011] close(11) = -1 EBADF (Bad file descriptor) [pid 5011] close(12) = -1 EBADF (Bad file descriptor) [pid 5011] close(13) = -1 EBADF (Bad file descriptor) [pid 5011] close(14) = -1 EBADF (Bad file descriptor) [pid 5011] close(15) = -1 EBADF (Bad file descriptor) [pid 5011] close(16) = -1 EBADF (Bad file descriptor) [pid 5011] close(17) = -1 EBADF (Bad file descriptor) [pid 5011] close(18) = -1 EBADF (Bad file descriptor) [pid 5011] close(19) = -1 EBADF (Bad file descriptor) [pid 5011] close(20) = -1 EBADF (Bad file descriptor) [pid 5011] close(21) = -1 EBADF (Bad file descriptor) [pid 5011] close(22) = -1 EBADF (Bad file descriptor) [pid 5011] close(23) = -1 EBADF (Bad file descriptor) [pid 5011] close(24) = -1 EBADF (Bad file descriptor) [pid 5011] close(25) = -1 EBADF (Bad file descriptor) [pid 5011] close(26) = -1 EBADF (Bad file descriptor) [pid 5011] close(27) = -1 EBADF (Bad file descriptor) [pid 5011] close(28) = -1 EBADF (Bad file descriptor) [pid 5011] close(29) = -1 EBADF (Bad file descriptor) [pid 5011] exit_group(0) = ? [pid 5011] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./4/cgroup.cpu") = 0 [pid 5005] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./4/binderfs") = 0 [pid 5005] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./4/cgroup") = 0 [pid 5005] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./4/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./4") = 0 [pid 5005] mkdir("./5", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5012 attached [pid 5012] chdir("./5") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 7 [pid 5012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5012] setpgid(0, 0) = 0 [pid 5012] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5012] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5012] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5012] write(3, "1000", 4) = 4 [pid 5012] close(3) = 0 [pid 5012] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5012] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5012] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5012] openat(3, "freezer.state", O_RDWR) = 4 [pid 5012] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5012] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5012] close(3) = 0 [pid 5012] close(4) = 0 [pid 5012] close(5) = -1 EBADF (Bad file descriptor) [pid 5012] close(6) = -1 EBADF (Bad file descriptor) [pid 5012] close(7) = -1 EBADF (Bad file descriptor) [pid 5012] close(8) = -1 EBADF (Bad file descriptor) [pid 5012] close(9) = -1 EBADF (Bad file descriptor) [pid 5012] close(10) = -1 EBADF (Bad file descriptor) [pid 5012] close(11) = -1 EBADF (Bad file descriptor) [pid 5012] close(12) = -1 EBADF (Bad file descriptor) [pid 5012] close(13) = -1 EBADF (Bad file descriptor) [pid 5012] close(14) = -1 EBADF (Bad file descriptor) [pid 5012] close(15) = -1 EBADF (Bad file descriptor) [pid 5012] close(16) = -1 EBADF (Bad file descriptor) [pid 5012] close(17) = -1 EBADF (Bad file descriptor) [pid 5012] close(18) = -1 EBADF (Bad file descriptor) [pid 5012] close(19) = -1 EBADF (Bad file descriptor) [pid 5012] close(20) = -1 EBADF (Bad file descriptor) [pid 5012] close(21) = -1 EBADF (Bad file descriptor) [pid 5012] close(22) = -1 EBADF (Bad file descriptor) [pid 5012] close(23) = -1 EBADF (Bad file descriptor) [pid 5012] close(24) = -1 EBADF (Bad file descriptor) [pid 5012] close(25) = -1 EBADF (Bad file descriptor) [pid 5012] close(26) = -1 EBADF (Bad file descriptor) [pid 5012] close(27) = -1 EBADF (Bad file descriptor) [pid 5012] close(28) = -1 EBADF (Bad file descriptor) [pid 5012] close(29) = -1 EBADF (Bad file descriptor) [pid 5012] exit_group(0) = ? [pid 5012] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./5/cgroup.cpu") = 0 [pid 5005] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./5/binderfs") = 0 [pid 5005] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./5/cgroup") = 0 [pid 5005] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./5/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./5") = 0 [pid 5005] mkdir("./6", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5013 attached [pid 5013] chdir("./6") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 8 [pid 5013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5013] setpgid(0, 0) = 0 [pid 5013] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5013] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5013] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5013] write(3, "1000", 4) = 4 [pid 5013] close(3) = 0 [pid 5013] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5013] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5013] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5013] openat(3, "freezer.state", O_RDWR) = 4 [pid 5013] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5013] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5013] close(3) = 0 [pid 5013] close(4) = 0 [pid 5013] close(5) = -1 EBADF (Bad file descriptor) [pid 5013] close(6) = -1 EBADF (Bad file descriptor) [pid 5013] close(7) = -1 EBADF (Bad file descriptor) [pid 5013] close(8) = -1 EBADF (Bad file descriptor) [pid 5013] close(9) = -1 EBADF (Bad file descriptor) [pid 5013] close(10) = -1 EBADF (Bad file descriptor) [pid 5013] close(11) = -1 EBADF (Bad file descriptor) [pid 5013] close(12) = -1 EBADF (Bad file descriptor) [pid 5013] close(13) = -1 EBADF (Bad file descriptor) [pid 5013] close(14) = -1 EBADF (Bad file descriptor) [pid 5013] close(15) = -1 EBADF (Bad file descriptor) [pid 5013] close(16) = -1 EBADF (Bad file descriptor) [pid 5013] close(17) = -1 EBADF (Bad file descriptor) [pid 5013] close(18) = -1 EBADF (Bad file descriptor) [pid 5013] close(19) = -1 EBADF (Bad file descriptor) [pid 5013] close(20) = -1 EBADF (Bad file descriptor) [pid 5013] close(21) = -1 EBADF (Bad file descriptor) [pid 5013] close(22) = -1 EBADF (Bad file descriptor) [pid 5013] close(23) = -1 EBADF (Bad file descriptor) [pid 5013] close(24) = -1 EBADF (Bad file descriptor) [pid 5013] close(25) = -1 EBADF (Bad file descriptor) [pid 5013] close(26) = -1 EBADF (Bad file descriptor) [pid 5013] close(27) = -1 EBADF (Bad file descriptor) [pid 5013] close(28) = -1 EBADF (Bad file descriptor) [pid 5013] close(29) = -1 EBADF (Bad file descriptor) [pid 5013] exit_group(0) = ? [pid 5013] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./6/cgroup.cpu") = 0 [pid 5005] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./6/binderfs") = 0 [pid 5005] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./6/cgroup") = 0 [pid 5005] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./6/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./6") = 0 [pid 5005] mkdir("./7", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5014 attached [pid 5014] chdir("./7") = 0 [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5014] setpgid(0, 0) = 0 [pid 5014] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 9 [pid 5014] <... symlink resumed>) = 0 [pid 5014] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5014] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1000", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5014] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5014] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5014] openat(3, "freezer.state", O_RDWR) = 4 [pid 5014] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5014] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5014] close(3) = 0 [pid 5014] close(4) = 0 [pid 5014] close(5) = -1 EBADF (Bad file descriptor) [pid 5014] close(6) = -1 EBADF (Bad file descriptor) [pid 5014] close(7) = -1 EBADF (Bad file descriptor) [pid 5014] close(8) = -1 EBADF (Bad file descriptor) [pid 5014] close(9) = -1 EBADF (Bad file descriptor) [pid 5014] close(10) = -1 EBADF (Bad file descriptor) [pid 5014] close(11) = -1 EBADF (Bad file descriptor) [pid 5014] close(12) = -1 EBADF (Bad file descriptor) [pid 5014] close(13) = -1 EBADF (Bad file descriptor) [pid 5014] close(14) = -1 EBADF (Bad file descriptor) [pid 5014] close(15) = -1 EBADF (Bad file descriptor) [pid 5014] close(16) = -1 EBADF (Bad file descriptor) [pid 5014] close(17) = -1 EBADF (Bad file descriptor) [pid 5014] close(18) = -1 EBADF (Bad file descriptor) [pid 5014] close(19) = -1 EBADF (Bad file descriptor) [pid 5014] close(20) = -1 EBADF (Bad file descriptor) [pid 5014] close(21) = -1 EBADF (Bad file descriptor) [pid 5014] close(22) = -1 EBADF (Bad file descriptor) [pid 5014] close(23) = -1 EBADF (Bad file descriptor) [pid 5014] close(24) = -1 EBADF (Bad file descriptor) [pid 5014] close(25) = -1 EBADF (Bad file descriptor) [pid 5014] close(26) = -1 EBADF (Bad file descriptor) [pid 5014] close(27) = -1 EBADF (Bad file descriptor) [pid 5014] close(28) = -1 EBADF (Bad file descriptor) [pid 5014] close(29) = -1 EBADF (Bad file descriptor) [pid 5014] exit_group(0) = ? [pid 5014] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./7/cgroup.cpu") = 0 [pid 5005] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./7/binderfs") = 0 [pid 5005] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./7/cgroup") = 0 [pid 5005] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./7/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./7") = 0 [pid 5005] mkdir("./8", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5015 attached [pid 5015] chdir("./8") = 0 [pid 5015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5015] setpgid(0, 0) = 0 [pid 5015] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 10 [pid 5015] <... symlink resumed>) = 0 [pid 5015] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5015] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5015] write(3, "1000", 4) = 4 [pid 5015] close(3) = 0 [pid 5015] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5015] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5015] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5015] openat(3, "freezer.state", O_RDWR) = 4 [pid 5015] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5015] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5015] close(3) = 0 [pid 5015] close(4) = 0 [pid 5015] close(5) = -1 EBADF (Bad file descriptor) [pid 5015] close(6) = -1 EBADF (Bad file descriptor) [pid 5015] close(7) = -1 EBADF (Bad file descriptor) [pid 5015] close(8) = -1 EBADF (Bad file descriptor) [pid 5015] close(9) = -1 EBADF (Bad file descriptor) [pid 5015] close(10) = -1 EBADF (Bad file descriptor) [pid 5015] close(11) = -1 EBADF (Bad file descriptor) [pid 5015] close(12) = -1 EBADF (Bad file descriptor) [pid 5015] close(13) = -1 EBADF (Bad file descriptor) [pid 5015] close(14) = -1 EBADF (Bad file descriptor) [pid 5015] close(15) = -1 EBADF (Bad file descriptor) [pid 5015] close(16) = -1 EBADF (Bad file descriptor) [pid 5015] close(17) = -1 EBADF (Bad file descriptor) [pid 5015] close(18) = -1 EBADF (Bad file descriptor) [pid 5015] close(19) = -1 EBADF (Bad file descriptor) [pid 5015] close(20) = -1 EBADF (Bad file descriptor) [pid 5015] close(21) = -1 EBADF (Bad file descriptor) [pid 5015] close(22) = -1 EBADF (Bad file descriptor) [pid 5015] close(23) = -1 EBADF (Bad file descriptor) [pid 5015] close(24) = -1 EBADF (Bad file descriptor) [pid 5015] close(25) = -1 EBADF (Bad file descriptor) [pid 5015] close(26) = -1 EBADF (Bad file descriptor) [pid 5015] close(27) = -1 EBADF (Bad file descriptor) [pid 5015] close(28) = -1 EBADF (Bad file descriptor) [pid 5015] close(29) = -1 EBADF (Bad file descriptor) [pid 5015] exit_group(0) = ? [pid 5015] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./8/cgroup.cpu") = 0 [pid 5005] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./8/binderfs") = 0 [pid 5005] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./8/cgroup") = 0 [pid 5005] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./8/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./8") = 0 [pid 5005] mkdir("./9", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5016 attached [pid 5016] chdir("./9") = 0 [pid 5016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 11 [pid 5016] setpgid(0, 0) = 0 [pid 5016] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5016] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5016] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "1000", 4) = 4 [pid 5016] close(3) = 0 [pid 5016] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5016] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5016] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5016] openat(3, "freezer.state", O_RDWR) = 4 [pid 5016] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5016] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5016] close(3) = 0 [pid 5016] close(4) = 0 [pid 5016] close(5) = -1 EBADF (Bad file descriptor) [pid 5016] close(6) = -1 EBADF (Bad file descriptor) [pid 5016] close(7) = -1 EBADF (Bad file descriptor) [pid 5016] close(8) = -1 EBADF (Bad file descriptor) [pid 5016] close(9) = -1 EBADF (Bad file descriptor) [pid 5016] close(10) = -1 EBADF (Bad file descriptor) [pid 5016] close(11) = -1 EBADF (Bad file descriptor) [pid 5016] close(12) = -1 EBADF (Bad file descriptor) [pid 5016] close(13) = -1 EBADF (Bad file descriptor) [pid 5016] close(14) = -1 EBADF (Bad file descriptor) [pid 5016] close(15) = -1 EBADF (Bad file descriptor) [pid 5016] close(16) = -1 EBADF (Bad file descriptor) [pid 5016] close(17) = -1 EBADF (Bad file descriptor) [pid 5016] close(18) = -1 EBADF (Bad file descriptor) [pid 5016] close(19) = -1 EBADF (Bad file descriptor) [pid 5016] close(20) = -1 EBADF (Bad file descriptor) [pid 5016] close(21) = -1 EBADF (Bad file descriptor) [pid 5016] close(22) = -1 EBADF (Bad file descriptor) [pid 5016] close(23) = -1 EBADF (Bad file descriptor) [pid 5016] close(24) = -1 EBADF (Bad file descriptor) [pid 5016] close(25) = -1 EBADF (Bad file descriptor) [pid 5016] close(26) = -1 EBADF (Bad file descriptor) [pid 5016] close(27) = -1 EBADF (Bad file descriptor) [pid 5016] close(28) = -1 EBADF (Bad file descriptor) [pid 5016] close(29) = -1 EBADF (Bad file descriptor) [pid 5016] exit_group(0) = ? [pid 5016] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./9/cgroup.cpu") = 0 [pid 5005] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./9/binderfs") = 0 [pid 5005] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./9/cgroup") = 0 [pid 5005] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./9/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./9") = 0 [pid 5005] mkdir("./10", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5017 attached , child_tidptr=0x5555570a35d0) = 12 [pid 5017] chdir("./10") = 0 [pid 5017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5017] setpgid(0, 0) = 0 [pid 5017] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5017] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5017] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5017] write(3, "1000", 4) = 4 [pid 5017] close(3) = 0 [pid 5017] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5017] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5017] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5017] openat(3, "freezer.state", O_RDWR) = 4 [pid 5017] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5017] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5017] close(3) = 0 [pid 5017] close(4) = 0 [pid 5017] close(5) = -1 EBADF (Bad file descriptor) [pid 5017] close(6) = -1 EBADF (Bad file descriptor) [pid 5017] close(7) = -1 EBADF (Bad file descriptor) [pid 5017] close(8) = -1 EBADF (Bad file descriptor) [pid 5017] close(9) = -1 EBADF (Bad file descriptor) [pid 5017] close(10) = -1 EBADF (Bad file descriptor) [pid 5017] close(11) = -1 EBADF (Bad file descriptor) [pid 5017] close(12) = -1 EBADF (Bad file descriptor) [pid 5017] close(13) = -1 EBADF (Bad file descriptor) [pid 5017] close(14) = -1 EBADF (Bad file descriptor) [pid 5017] close(15) = -1 EBADF (Bad file descriptor) [pid 5017] close(16) = -1 EBADF (Bad file descriptor) [pid 5017] close(17) = -1 EBADF (Bad file descriptor) [pid 5017] close(18) = -1 EBADF (Bad file descriptor) [pid 5017] close(19) = -1 EBADF (Bad file descriptor) [pid 5017] close(20) = -1 EBADF (Bad file descriptor) [pid 5017] close(21) = -1 EBADF (Bad file descriptor) [pid 5017] close(22) = -1 EBADF (Bad file descriptor) [pid 5017] close(23) = -1 EBADF (Bad file descriptor) [pid 5017] close(24) = -1 EBADF (Bad file descriptor) [pid 5017] close(25) = -1 EBADF (Bad file descriptor) [pid 5017] close(26) = -1 EBADF (Bad file descriptor) [pid 5017] close(27) = -1 EBADF (Bad file descriptor) [pid 5017] close(28) = -1 EBADF (Bad file descriptor) [pid 5017] close(29) = -1 EBADF (Bad file descriptor) [pid 5017] exit_group(0) = ? [pid 5017] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./10/cgroup.cpu") = 0 [pid 5005] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./10/binderfs") = 0 [pid 5005] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./10/cgroup") = 0 [pid 5005] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./10/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./10") = 0 [pid 5005] mkdir("./11", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5018 attached [pid 5018] chdir("./11" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 13 [pid 5018] <... chdir resumed>) = 0 [pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5018] setpgid(0, 0) = 0 [pid 5018] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5018] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5018] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "1000", 4) = 4 [pid 5018] close(3) = 0 [pid 5018] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5018] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5018] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5018] openat(3, "freezer.state", O_RDWR) = 4 [pid 5018] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5018] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5018] close(3) = 0 [pid 5018] close(4) = 0 [pid 5018] close(5) = -1 EBADF (Bad file descriptor) [pid 5018] close(6) = -1 EBADF (Bad file descriptor) [pid 5018] close(7) = -1 EBADF (Bad file descriptor) [pid 5018] close(8) = -1 EBADF (Bad file descriptor) [pid 5018] close(9) = -1 EBADF (Bad file descriptor) [pid 5018] close(10) = -1 EBADF (Bad file descriptor) [pid 5018] close(11) = -1 EBADF (Bad file descriptor) [pid 5018] close(12) = -1 EBADF (Bad file descriptor) [pid 5018] close(13) = -1 EBADF (Bad file descriptor) [pid 5018] close(14) = -1 EBADF (Bad file descriptor) [pid 5018] close(15) = -1 EBADF (Bad file descriptor) [pid 5018] close(16) = -1 EBADF (Bad file descriptor) [pid 5018] close(17) = -1 EBADF (Bad file descriptor) [pid 5018] close(18) = -1 EBADF (Bad file descriptor) [pid 5018] close(19) = -1 EBADF (Bad file descriptor) [pid 5018] close(20) = -1 EBADF (Bad file descriptor) [pid 5018] close(21) = -1 EBADF (Bad file descriptor) [pid 5018] close(22) = -1 EBADF (Bad file descriptor) [pid 5018] close(23) = -1 EBADF (Bad file descriptor) [pid 5018] close(24) = -1 EBADF (Bad file descriptor) [pid 5018] close(25) = -1 EBADF (Bad file descriptor) [pid 5018] close(26) = -1 EBADF (Bad file descriptor) [pid 5018] close(27) = -1 EBADF (Bad file descriptor) [pid 5018] close(28) = -1 EBADF (Bad file descriptor) [pid 5018] close(29) = -1 EBADF (Bad file descriptor) [pid 5018] exit_group(0) = ? [pid 5018] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./11/cgroup.cpu") = 0 [pid 5005] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./11/binderfs") = 0 [pid 5005] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./11/cgroup") = 0 [pid 5005] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./11/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./11") = 0 [pid 5005] mkdir("./12", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5019 attached [pid 5019] chdir("./12" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 14 [pid 5019] <... chdir resumed>) = 0 [pid 5019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5019] setpgid(0, 0) = 0 [pid 5019] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5019] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5019] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5019] write(3, "1000", 4) = 4 [pid 5019] close(3) = 0 [pid 5019] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5019] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5019] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5019] openat(3, "freezer.state", O_RDWR) = 4 [pid 5019] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5019] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5019] close(3) = 0 [pid 5019] close(4) = 0 [pid 5019] close(5) = -1 EBADF (Bad file descriptor) [pid 5019] close(6) = -1 EBADF (Bad file descriptor) [pid 5019] close(7) = -1 EBADF (Bad file descriptor) [pid 5019] close(8) = -1 EBADF (Bad file descriptor) [pid 5019] close(9) = -1 EBADF (Bad file descriptor) [pid 5019] close(10) = -1 EBADF (Bad file descriptor) [pid 5019] close(11) = -1 EBADF (Bad file descriptor) [pid 5019] close(12) = -1 EBADF (Bad file descriptor) [pid 5019] close(13) = -1 EBADF (Bad file descriptor) [pid 5019] close(14) = -1 EBADF (Bad file descriptor) [pid 5019] close(15) = -1 EBADF (Bad file descriptor) [pid 5019] close(16) = -1 EBADF (Bad file descriptor) [pid 5019] close(17) = -1 EBADF (Bad file descriptor) [pid 5019] close(18) = -1 EBADF (Bad file descriptor) [pid 5019] close(19) = -1 EBADF (Bad file descriptor) [pid 5019] close(20) = -1 EBADF (Bad file descriptor) [pid 5019] close(21) = -1 EBADF (Bad file descriptor) [pid 5019] close(22) = -1 EBADF (Bad file descriptor) [pid 5019] close(23) = -1 EBADF (Bad file descriptor) [pid 5019] close(24) = -1 EBADF (Bad file descriptor) [pid 5019] close(25) = -1 EBADF (Bad file descriptor) [pid 5019] close(26) = -1 EBADF (Bad file descriptor) [pid 5019] close(27) = -1 EBADF (Bad file descriptor) [pid 5019] close(28) = -1 EBADF (Bad file descriptor) [pid 5019] close(29) = -1 EBADF (Bad file descriptor) [pid 5019] exit_group(0) = ? [pid 5019] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./12/cgroup.cpu") = 0 [pid 5005] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./12/binderfs") = 0 [pid 5005] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./12/cgroup") = 0 [pid 5005] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./12/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./12") = 0 [pid 5005] mkdir("./13", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5020 attached [pid 5020] chdir("./13") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 15 [pid 5020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5020] setpgid(0, 0) = 0 [pid 5020] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5020] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5020] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5020] write(3, "1000", 4) = 4 [pid 5020] close(3) = 0 [pid 5020] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5020] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5020] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5020] openat(3, "freezer.state", O_RDWR) = 4 [pid 5020] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5020] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5020] close(3) = 0 [pid 5020] close(4) = 0 [pid 5020] close(5) = -1 EBADF (Bad file descriptor) [pid 5020] close(6) = -1 EBADF (Bad file descriptor) [pid 5020] close(7) = -1 EBADF (Bad file descriptor) [pid 5020] close(8) = -1 EBADF (Bad file descriptor) [pid 5020] close(9) = -1 EBADF (Bad file descriptor) [pid 5020] close(10) = -1 EBADF (Bad file descriptor) [pid 5020] close(11) = -1 EBADF (Bad file descriptor) [pid 5020] close(12) = -1 EBADF (Bad file descriptor) [pid 5020] close(13) = -1 EBADF (Bad file descriptor) [pid 5020] close(14) = -1 EBADF (Bad file descriptor) [pid 5020] close(15) = -1 EBADF (Bad file descriptor) [pid 5020] close(16) = -1 EBADF (Bad file descriptor) [pid 5020] close(17) = -1 EBADF (Bad file descriptor) [pid 5020] close(18) = -1 EBADF (Bad file descriptor) [pid 5020] close(19) = -1 EBADF (Bad file descriptor) [pid 5020] close(20) = -1 EBADF (Bad file descriptor) [pid 5020] close(21) = -1 EBADF (Bad file descriptor) [pid 5020] close(22) = -1 EBADF (Bad file descriptor) [pid 5020] close(23) = -1 EBADF (Bad file descriptor) [pid 5020] close(24) = -1 EBADF (Bad file descriptor) [pid 5020] close(25) = -1 EBADF (Bad file descriptor) [pid 5020] close(26) = -1 EBADF (Bad file descriptor) [pid 5020] close(27) = -1 EBADF (Bad file descriptor) [pid 5020] close(28) = -1 EBADF (Bad file descriptor) [pid 5020] close(29) = -1 EBADF (Bad file descriptor) [pid 5020] exit_group(0) = ? [pid 5020] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./13/cgroup.cpu") = 0 [pid 5005] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./13/binderfs") = 0 [pid 5005] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./13/cgroup") = 0 [pid 5005] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./13/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./13") = 0 [pid 5005] mkdir("./14", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5021 attached [pid 5021] chdir("./14") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 16 [pid 5021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5021] setpgid(0, 0) = 0 [pid 5021] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5021] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5021] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5021] write(3, "1000", 4) = 4 [pid 5021] close(3) = 0 [pid 5021] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5021] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5021] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5021] openat(3, "freezer.state", O_RDWR) = 4 [pid 5021] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5021] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5021] close(3) = 0 [pid 5021] close(4) = 0 [pid 5021] close(5) = -1 EBADF (Bad file descriptor) [pid 5021] close(6) = -1 EBADF (Bad file descriptor) [pid 5021] close(7) = -1 EBADF (Bad file descriptor) [pid 5021] close(8) = -1 EBADF (Bad file descriptor) [pid 5021] close(9) = -1 EBADF (Bad file descriptor) [pid 5021] close(10) = -1 EBADF (Bad file descriptor) [pid 5021] close(11) = -1 EBADF (Bad file descriptor) [pid 5021] close(12) = -1 EBADF (Bad file descriptor) [pid 5021] close(13) = -1 EBADF (Bad file descriptor) [pid 5021] close(14) = -1 EBADF (Bad file descriptor) [pid 5021] close(15) = -1 EBADF (Bad file descriptor) [pid 5021] close(16) = -1 EBADF (Bad file descriptor) [pid 5021] close(17) = -1 EBADF (Bad file descriptor) [pid 5021] close(18) = -1 EBADF (Bad file descriptor) [pid 5021] close(19) = -1 EBADF (Bad file descriptor) [pid 5021] close(20) = -1 EBADF (Bad file descriptor) [pid 5021] close(21) = -1 EBADF (Bad file descriptor) [pid 5021] close(22) = -1 EBADF (Bad file descriptor) [pid 5021] close(23) = -1 EBADF (Bad file descriptor) [pid 5021] close(24) = -1 EBADF (Bad file descriptor) [pid 5021] close(25) = -1 EBADF (Bad file descriptor) [pid 5021] close(26) = -1 EBADF (Bad file descriptor) [pid 5021] close(27) = -1 EBADF (Bad file descriptor) [pid 5021] close(28) = -1 EBADF (Bad file descriptor) [pid 5021] close(29) = -1 EBADF (Bad file descriptor) [pid 5021] exit_group(0) = ? [pid 5021] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./14/cgroup.cpu") = 0 [pid 5005] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./14/binderfs") = 0 [pid 5005] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./14/cgroup") = 0 [pid 5005] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./14/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./14") = 0 [pid 5005] mkdir("./15", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5022 attached [pid 5022] chdir("./15") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 17 [pid 5022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5022] setpgid(0, 0) = 0 [pid 5022] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5022] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5022] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5022] write(3, "1000", 4) = 4 [pid 5022] close(3) = 0 [pid 5022] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5022] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5022] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5022] openat(3, "freezer.state", O_RDWR) = 4 [pid 5022] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5022] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5022] close(3) = 0 [pid 5022] close(4) = 0 [pid 5022] close(5) = -1 EBADF (Bad file descriptor) [pid 5022] close(6) = -1 EBADF (Bad file descriptor) [pid 5022] close(7) = -1 EBADF (Bad file descriptor) [pid 5022] close(8) = -1 EBADF (Bad file descriptor) [pid 5022] close(9) = -1 EBADF (Bad file descriptor) [pid 5022] close(10) = -1 EBADF (Bad file descriptor) [pid 5022] close(11) = -1 EBADF (Bad file descriptor) [pid 5022] close(12) = -1 EBADF (Bad file descriptor) [pid 5022] close(13) = -1 EBADF (Bad file descriptor) [pid 5022] close(14) = -1 EBADF (Bad file descriptor) [pid 5022] close(15) = -1 EBADF (Bad file descriptor) [pid 5022] close(16) = -1 EBADF (Bad file descriptor) [pid 5022] close(17) = -1 EBADF (Bad file descriptor) [pid 5022] close(18) = -1 EBADF (Bad file descriptor) [pid 5022] close(19) = -1 EBADF (Bad file descriptor) [pid 5022] close(20) = -1 EBADF (Bad file descriptor) [pid 5022] close(21) = -1 EBADF (Bad file descriptor) [pid 5022] close(22) = -1 EBADF (Bad file descriptor) [pid 5022] close(23) = -1 EBADF (Bad file descriptor) [pid 5022] close(24) = -1 EBADF (Bad file descriptor) [pid 5022] close(25) = -1 EBADF (Bad file descriptor) [pid 5022] close(26) = -1 EBADF (Bad file descriptor) [pid 5022] close(27) = -1 EBADF (Bad file descriptor) [pid 5022] close(28) = -1 EBADF (Bad file descriptor) [pid 5022] close(29) = -1 EBADF (Bad file descriptor) [pid 5022] exit_group(0) = ? [pid 5022] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./15/cgroup.cpu") = 0 [pid 5005] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./15/binderfs") = 0 [pid 5005] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./15/cgroup") = 0 [pid 5005] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./15/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./15") = 0 [pid 5005] mkdir("./16", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 18 ./strace-static-x86_64: Process 5023 attached [pid 5023] chdir("./16") = 0 [pid 5023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5023] setpgid(0, 0) = 0 [pid 5023] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5023] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5023] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1000", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5023] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5023] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5023] openat(3, "freezer.state", O_RDWR) = 4 [pid 5023] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5023] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5023] close(3) = 0 [pid 5023] close(4) = 0 [pid 5023] close(5) = -1 EBADF (Bad file descriptor) [pid 5023] close(6) = -1 EBADF (Bad file descriptor) [pid 5023] close(7) = -1 EBADF (Bad file descriptor) [pid 5023] close(8) = -1 EBADF (Bad file descriptor) [pid 5023] close(9) = -1 EBADF (Bad file descriptor) [pid 5023] close(10) = -1 EBADF (Bad file descriptor) [pid 5023] close(11) = -1 EBADF (Bad file descriptor) [pid 5023] close(12) = -1 EBADF (Bad file descriptor) [pid 5023] close(13) = -1 EBADF (Bad file descriptor) [pid 5023] close(14) = -1 EBADF (Bad file descriptor) [pid 5023] close(15) = -1 EBADF (Bad file descriptor) [pid 5023] close(16) = -1 EBADF (Bad file descriptor) [pid 5023] close(17) = -1 EBADF (Bad file descriptor) [pid 5023] close(18) = -1 EBADF (Bad file descriptor) [pid 5023] close(19) = -1 EBADF (Bad file descriptor) [pid 5023] close(20) = -1 EBADF (Bad file descriptor) [pid 5023] close(21) = -1 EBADF (Bad file descriptor) [pid 5023] close(22) = -1 EBADF (Bad file descriptor) [pid 5023] close(23) = -1 EBADF (Bad file descriptor) [pid 5023] close(24) = -1 EBADF (Bad file descriptor) [pid 5023] close(25) = -1 EBADF (Bad file descriptor) [pid 5023] close(26) = -1 EBADF (Bad file descriptor) [pid 5023] close(27) = -1 EBADF (Bad file descriptor) [pid 5023] close(28) = -1 EBADF (Bad file descriptor) [pid 5023] close(29) = -1 EBADF (Bad file descriptor) [pid 5023] exit_group(0) = ? [pid 5023] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./16/cgroup.cpu") = 0 [pid 5005] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./16/binderfs") = 0 [pid 5005] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./16/cgroup") = 0 [pid 5005] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./16/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./16") = 0 [pid 5005] mkdir("./17", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5024 attached [pid 5024] chdir("./17") = 0 [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5024] setpgid(0, 0) = 0 [pid 5024] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5024] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 19 [pid 5024] <... symlink resumed>) = 0 [pid 5024] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1000", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5024] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5024] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5024] openat(3, "freezer.state", O_RDWR) = 4 [pid 5024] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5024] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5024] close(3) = 0 [pid 5024] close(4) = 0 [pid 5024] close(5) = -1 EBADF (Bad file descriptor) [pid 5024] close(6) = -1 EBADF (Bad file descriptor) [pid 5024] close(7) = -1 EBADF (Bad file descriptor) [pid 5024] close(8) = -1 EBADF (Bad file descriptor) [pid 5024] close(9) = -1 EBADF (Bad file descriptor) [pid 5024] close(10) = -1 EBADF (Bad file descriptor) [pid 5024] close(11) = -1 EBADF (Bad file descriptor) [pid 5024] close(12) = -1 EBADF (Bad file descriptor) [pid 5024] close(13) = -1 EBADF (Bad file descriptor) [pid 5024] close(14) = -1 EBADF (Bad file descriptor) [pid 5024] close(15) = -1 EBADF (Bad file descriptor) [pid 5024] close(16) = -1 EBADF (Bad file descriptor) [pid 5024] close(17) = -1 EBADF (Bad file descriptor) [pid 5024] close(18) = -1 EBADF (Bad file descriptor) [pid 5024] close(19) = -1 EBADF (Bad file descriptor) [pid 5024] close(20) = -1 EBADF (Bad file descriptor) [pid 5024] close(21) = -1 EBADF (Bad file descriptor) [pid 5024] close(22) = -1 EBADF (Bad file descriptor) [pid 5024] close(23) = -1 EBADF (Bad file descriptor) [pid 5024] close(24) = -1 EBADF (Bad file descriptor) [pid 5024] close(25) = -1 EBADF (Bad file descriptor) [pid 5024] close(26) = -1 EBADF (Bad file descriptor) [pid 5024] close(27) = -1 EBADF (Bad file descriptor) [pid 5024] close(28) = -1 EBADF (Bad file descriptor) [pid 5024] close(29) = -1 EBADF (Bad file descriptor) [pid 5024] exit_group(0) = ? [pid 5024] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./17/cgroup.cpu") = 0 [pid 5005] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./17/binderfs") = 0 [pid 5005] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./17/cgroup") = 0 [pid 5005] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./17/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./17") = 0 [pid 5005] mkdir("./18", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5025 attached [pid 5025] chdir("./18") = 0 [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 20 [pid 5025] setpgid(0, 0) = 0 [pid 5025] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5025] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5025] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1000", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5025] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5025] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5025] openat(3, "freezer.state", O_RDWR) = 4 [pid 5025] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5025] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5025] close(3) = 0 [pid 5025] close(4) = 0 [pid 5025] close(5) = -1 EBADF (Bad file descriptor) [pid 5025] close(6) = -1 EBADF (Bad file descriptor) [pid 5025] close(7) = -1 EBADF (Bad file descriptor) [pid 5025] close(8) = -1 EBADF (Bad file descriptor) [pid 5025] close(9) = -1 EBADF (Bad file descriptor) [pid 5025] close(10) = -1 EBADF (Bad file descriptor) [pid 5025] close(11) = -1 EBADF (Bad file descriptor) [pid 5025] close(12) = -1 EBADF (Bad file descriptor) [pid 5025] close(13) = -1 EBADF (Bad file descriptor) [pid 5025] close(14) = -1 EBADF (Bad file descriptor) [pid 5025] close(15) = -1 EBADF (Bad file descriptor) [pid 5025] close(16) = -1 EBADF (Bad file descriptor) [pid 5025] close(17) = -1 EBADF (Bad file descriptor) [pid 5025] close(18) = -1 EBADF (Bad file descriptor) [pid 5025] close(19) = -1 EBADF (Bad file descriptor) [pid 5025] close(20) = -1 EBADF (Bad file descriptor) [pid 5025] close(21) = -1 EBADF (Bad file descriptor) [pid 5025] close(22) = -1 EBADF (Bad file descriptor) [pid 5025] close(23) = -1 EBADF (Bad file descriptor) [pid 5025] close(24) = -1 EBADF (Bad file descriptor) [pid 5025] close(25) = -1 EBADF (Bad file descriptor) [pid 5025] close(26) = -1 EBADF (Bad file descriptor) [pid 5025] close(27) = -1 EBADF (Bad file descriptor) [pid 5025] close(28) = -1 EBADF (Bad file descriptor) [pid 5025] close(29) = -1 EBADF (Bad file descriptor) [pid 5025] exit_group(0) = ? [pid 5025] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./18/cgroup.cpu") = 0 [pid 5005] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./18/binderfs") = 0 [pid 5005] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./18/cgroup") = 0 [pid 5005] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./18/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./18") = 0 [pid 5005] mkdir("./19", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5026 attached [pid 5026] chdir("./19") = 0 [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 21 [pid 5026] <... prctl resumed>) = 0 [pid 5026] setpgid(0, 0) = 0 [pid 5026] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5026] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5026] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1000", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5026] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5026] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5026] openat(3, "freezer.state", O_RDWR) = 4 [pid 5026] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5026] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5026] close(3) = 0 [pid 5026] close(4) = 0 [pid 5026] close(5) = -1 EBADF (Bad file descriptor) [pid 5026] close(6) = -1 EBADF (Bad file descriptor) [pid 5026] close(7) = -1 EBADF (Bad file descriptor) [pid 5026] close(8) = -1 EBADF (Bad file descriptor) [pid 5026] close(9) = -1 EBADF (Bad file descriptor) [pid 5026] close(10) = -1 EBADF (Bad file descriptor) [pid 5026] close(11) = -1 EBADF (Bad file descriptor) [pid 5026] close(12) = -1 EBADF (Bad file descriptor) [pid 5026] close(13) = -1 EBADF (Bad file descriptor) [pid 5026] close(14) = -1 EBADF (Bad file descriptor) [pid 5026] close(15) = -1 EBADF (Bad file descriptor) [pid 5026] close(16) = -1 EBADF (Bad file descriptor) [pid 5026] close(17) = -1 EBADF (Bad file descriptor) [pid 5026] close(18) = -1 EBADF (Bad file descriptor) [pid 5026] close(19) = -1 EBADF (Bad file descriptor) [pid 5026] close(20) = -1 EBADF (Bad file descriptor) [pid 5026] close(21) = -1 EBADF (Bad file descriptor) [pid 5026] close(22) = -1 EBADF (Bad file descriptor) [pid 5026] close(23) = -1 EBADF (Bad file descriptor) [pid 5026] close(24) = -1 EBADF (Bad file descriptor) [pid 5026] close(25) = -1 EBADF (Bad file descriptor) [pid 5026] close(26) = -1 EBADF (Bad file descriptor) [pid 5026] close(27) = -1 EBADF (Bad file descriptor) [pid 5026] close(28) = -1 EBADF (Bad file descriptor) [pid 5026] close(29) = -1 EBADF (Bad file descriptor) [pid 5026] exit_group(0) = ? [pid 5026] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./19/cgroup.cpu") = 0 [pid 5005] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./19/binderfs") = 0 [pid 5005] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./19/cgroup") = 0 [pid 5005] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./19/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./19") = 0 [pid 5005] mkdir("./20", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5027 attached [pid 5027] chdir("./20") = 0 [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5027] setpgid(0, 0) = 0 [pid 5027] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5027] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5027] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1000", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 22 [pid 5027] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5027] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5027] openat(3, "freezer.state", O_RDWR) = 4 [pid 5027] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5027] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5027] close(3) = 0 [pid 5027] close(4) = 0 [pid 5027] close(5) = -1 EBADF (Bad file descriptor) [pid 5027] close(6) = -1 EBADF (Bad file descriptor) [pid 5027] close(7) = -1 EBADF (Bad file descriptor) [pid 5027] close(8) = -1 EBADF (Bad file descriptor) [pid 5027] close(9) = -1 EBADF (Bad file descriptor) [pid 5027] close(10) = -1 EBADF (Bad file descriptor) [pid 5027] close(11) = -1 EBADF (Bad file descriptor) [pid 5027] close(12) = -1 EBADF (Bad file descriptor) [pid 5027] close(13) = -1 EBADF (Bad file descriptor) [pid 5027] close(14) = -1 EBADF (Bad file descriptor) [pid 5027] close(15) = -1 EBADF (Bad file descriptor) [pid 5027] close(16) = -1 EBADF (Bad file descriptor) [pid 5027] close(17) = -1 EBADF (Bad file descriptor) [pid 5027] close(18) = -1 EBADF (Bad file descriptor) [pid 5027] close(19) = -1 EBADF (Bad file descriptor) [pid 5027] close(20) = -1 EBADF (Bad file descriptor) [pid 5027] close(21) = -1 EBADF (Bad file descriptor) [pid 5027] close(22) = -1 EBADF (Bad file descriptor) [pid 5027] close(23) = -1 EBADF (Bad file descriptor) [pid 5027] close(24) = -1 EBADF (Bad file descriptor) [pid 5027] close(25) = -1 EBADF (Bad file descriptor) [pid 5027] close(26) = -1 EBADF (Bad file descriptor) [pid 5027] close(27) = -1 EBADF (Bad file descriptor) [pid 5027] close(28) = -1 EBADF (Bad file descriptor) [pid 5027] close(29) = -1 EBADF (Bad file descriptor) [pid 5027] exit_group(0) = ? [pid 5027] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./20/cgroup.cpu") = 0 [pid 5005] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./20/binderfs") = 0 [pid 5005] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./20/cgroup") = 0 [pid 5005] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./20/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./20") = 0 [pid 5005] mkdir("./21", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5028 attached [pid 5028] chdir("./21" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 23 [pid 5028] <... chdir resumed>) = 0 [pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5028] setpgid(0, 0) = 0 [pid 5028] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5028] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5028] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1000", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5028] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5028] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5028] openat(3, "freezer.state", O_RDWR) = 4 [pid 5028] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5028] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5028] close(3) = 0 [pid 5028] close(4) = 0 [pid 5028] close(5) = -1 EBADF (Bad file descriptor) [pid 5028] close(6) = -1 EBADF (Bad file descriptor) [pid 5028] close(7) = -1 EBADF (Bad file descriptor) [pid 5028] close(8) = -1 EBADF (Bad file descriptor) [pid 5028] close(9) = -1 EBADF (Bad file descriptor) [pid 5028] close(10) = -1 EBADF (Bad file descriptor) [pid 5028] close(11) = -1 EBADF (Bad file descriptor) [pid 5028] close(12) = -1 EBADF (Bad file descriptor) [pid 5028] close(13) = -1 EBADF (Bad file descriptor) [pid 5028] close(14) = -1 EBADF (Bad file descriptor) [pid 5028] close(15) = -1 EBADF (Bad file descriptor) [pid 5028] close(16) = -1 EBADF (Bad file descriptor) [pid 5028] close(17) = -1 EBADF (Bad file descriptor) [pid 5028] close(18) = -1 EBADF (Bad file descriptor) [pid 5028] close(19) = -1 EBADF (Bad file descriptor) [pid 5028] close(20) = -1 EBADF (Bad file descriptor) [pid 5028] close(21) = -1 EBADF (Bad file descriptor) [pid 5028] close(22) = -1 EBADF (Bad file descriptor) [pid 5028] close(23) = -1 EBADF (Bad file descriptor) [pid 5028] close(24) = -1 EBADF (Bad file descriptor) [pid 5028] close(25) = -1 EBADF (Bad file descriptor) [pid 5028] close(26) = -1 EBADF (Bad file descriptor) [pid 5028] close(27) = -1 EBADF (Bad file descriptor) [pid 5028] close(28) = -1 EBADF (Bad file descriptor) [pid 5028] close(29) = -1 EBADF (Bad file descriptor) [pid 5028] exit_group(0) = ? [pid 5028] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./21/cgroup.cpu") = 0 [pid 5005] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./21/binderfs") = 0 [pid 5005] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./21/cgroup") = 0 [pid 5005] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./21/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./21") = 0 [pid 5005] mkdir("./22", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5029 attached [pid 5029] chdir("./22") = 0 [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5029] setpgid(0, 0) = 0 [pid 5029] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 24 [pid 5029] <... symlink resumed>) = 0 [pid 5029] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5029] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1000", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5029] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5029] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5029] openat(3, "freezer.state", O_RDWR) = 4 [pid 5029] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5029] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5029] close(3) = 0 [pid 5029] close(4) = 0 [pid 5029] close(5) = -1 EBADF (Bad file descriptor) [pid 5029] close(6) = -1 EBADF (Bad file descriptor) [pid 5029] close(7) = -1 EBADF (Bad file descriptor) [pid 5029] close(8) = -1 EBADF (Bad file descriptor) [pid 5029] close(9) = -1 EBADF (Bad file descriptor) [pid 5029] close(10) = -1 EBADF (Bad file descriptor) [pid 5029] close(11) = -1 EBADF (Bad file descriptor) [pid 5029] close(12) = -1 EBADF (Bad file descriptor) [pid 5029] close(13) = -1 EBADF (Bad file descriptor) [pid 5029] close(14) = -1 EBADF (Bad file descriptor) [pid 5029] close(15) = -1 EBADF (Bad file descriptor) [pid 5029] close(16) = -1 EBADF (Bad file descriptor) [pid 5029] close(17) = -1 EBADF (Bad file descriptor) [pid 5029] close(18) = -1 EBADF (Bad file descriptor) [pid 5029] close(19) = -1 EBADF (Bad file descriptor) [pid 5029] close(20) = -1 EBADF (Bad file descriptor) [pid 5029] close(21) = -1 EBADF (Bad file descriptor) [pid 5029] close(22) = -1 EBADF (Bad file descriptor) [pid 5029] close(23) = -1 EBADF (Bad file descriptor) [pid 5029] close(24) = -1 EBADF (Bad file descriptor) [pid 5029] close(25) = -1 EBADF (Bad file descriptor) [pid 5029] close(26) = -1 EBADF (Bad file descriptor) [pid 5029] close(27) = -1 EBADF (Bad file descriptor) [pid 5029] close(28) = -1 EBADF (Bad file descriptor) [pid 5029] close(29) = -1 EBADF (Bad file descriptor) [pid 5029] exit_group(0) = ? [pid 5029] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./22/cgroup.cpu") = 0 [pid 5005] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./22/binderfs") = 0 [pid 5005] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./22/cgroup") = 0 [pid 5005] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./22/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./22") = 0 [pid 5005] mkdir("./23", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5030 attached , child_tidptr=0x5555570a35d0) = 25 [pid 5030] chdir("./23") = 0 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5030] setpgid(0, 0) = 0 [pid 5030] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5030] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5030] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1000", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5030] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5030] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5030] openat(3, "freezer.state", O_RDWR) = 4 [pid 5030] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5030] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5030] close(3) = 0 [pid 5030] close(4) = 0 [pid 5030] close(5) = -1 EBADF (Bad file descriptor) [pid 5030] close(6) = -1 EBADF (Bad file descriptor) [pid 5030] close(7) = -1 EBADF (Bad file descriptor) [pid 5030] close(8) = -1 EBADF (Bad file descriptor) [pid 5030] close(9) = -1 EBADF (Bad file descriptor) [pid 5030] close(10) = -1 EBADF (Bad file descriptor) [pid 5030] close(11) = -1 EBADF (Bad file descriptor) [pid 5030] close(12) = -1 EBADF (Bad file descriptor) [pid 5030] close(13) = -1 EBADF (Bad file descriptor) [pid 5030] close(14) = -1 EBADF (Bad file descriptor) [pid 5030] close(15) = -1 EBADF (Bad file descriptor) [pid 5030] close(16) = -1 EBADF (Bad file descriptor) [pid 5030] close(17) = -1 EBADF (Bad file descriptor) [pid 5030] close(18) = -1 EBADF (Bad file descriptor) [pid 5030] close(19) = -1 EBADF (Bad file descriptor) [pid 5030] close(20) = -1 EBADF (Bad file descriptor) [pid 5030] close(21) = -1 EBADF (Bad file descriptor) [pid 5030] close(22) = -1 EBADF (Bad file descriptor) [pid 5030] close(23) = -1 EBADF (Bad file descriptor) [pid 5030] close(24) = -1 EBADF (Bad file descriptor) [pid 5030] close(25) = -1 EBADF (Bad file descriptor) [pid 5030] close(26) = -1 EBADF (Bad file descriptor) [pid 5030] close(27) = -1 EBADF (Bad file descriptor) [pid 5030] close(28) = -1 EBADF (Bad file descriptor) [pid 5030] close(29) = -1 EBADF (Bad file descriptor) [pid 5030] exit_group(0) = ? [pid 5030] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./23/cgroup.cpu") = 0 [pid 5005] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./23/binderfs") = 0 [pid 5005] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./23/cgroup") = 0 [pid 5005] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./23/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./23") = 0 [pid 5005] mkdir("./24", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 26 ./strace-static-x86_64: Process 5031 attached [pid 5031] chdir("./24") = 0 [pid 5031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5031] setpgid(0, 0) = 0 [pid 5031] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5031] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5031] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5031] write(3, "1000", 4) = 4 [pid 5031] close(3) = 0 [pid 5031] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5031] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5031] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5031] openat(3, "freezer.state", O_RDWR) = 4 [pid 5031] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5031] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5031] close(3) = 0 [pid 5031] close(4) = 0 [pid 5031] close(5) = -1 EBADF (Bad file descriptor) [pid 5031] close(6) = -1 EBADF (Bad file descriptor) [pid 5031] close(7) = -1 EBADF (Bad file descriptor) [pid 5031] close(8) = -1 EBADF (Bad file descriptor) [pid 5031] close(9) = -1 EBADF (Bad file descriptor) [pid 5031] close(10) = -1 EBADF (Bad file descriptor) [pid 5031] close(11) = -1 EBADF (Bad file descriptor) [pid 5031] close(12) = -1 EBADF (Bad file descriptor) [pid 5031] close(13) = -1 EBADF (Bad file descriptor) [pid 5031] close(14) = -1 EBADF (Bad file descriptor) [pid 5031] close(15) = -1 EBADF (Bad file descriptor) [pid 5031] close(16) = -1 EBADF (Bad file descriptor) [pid 5031] close(17) = -1 EBADF (Bad file descriptor) [pid 5031] close(18) = -1 EBADF (Bad file descriptor) [pid 5031] close(19) = -1 EBADF (Bad file descriptor) [pid 5031] close(20) = -1 EBADF (Bad file descriptor) [pid 5031] close(21) = -1 EBADF (Bad file descriptor) [pid 5031] close(22) = -1 EBADF (Bad file descriptor) [pid 5031] close(23) = -1 EBADF (Bad file descriptor) [pid 5031] close(24) = -1 EBADF (Bad file descriptor) [pid 5031] close(25) = -1 EBADF (Bad file descriptor) [pid 5031] close(26) = -1 EBADF (Bad file descriptor) [pid 5031] close(27) = -1 EBADF (Bad file descriptor) [pid 5031] close(28) = -1 EBADF (Bad file descriptor) [pid 5031] close(29) = -1 EBADF (Bad file descriptor) [pid 5031] exit_group(0) = ? [pid 5031] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./24/cgroup.cpu") = 0 [pid 5005] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./24/binderfs") = 0 [pid 5005] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./24/cgroup") = 0 [pid 5005] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./24/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./24") = 0 [pid 5005] mkdir("./25", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 27 ./strace-static-x86_64: Process 5032 attached [pid 5032] chdir("./25") = 0 [pid 5032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5032] setpgid(0, 0) = 0 [pid 5032] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5032] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5032] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1000", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5032] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5032] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5032] openat(3, "freezer.state", O_RDWR) = 4 [pid 5032] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5032] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5032] close(3) = 0 [pid 5032] close(4) = 0 [pid 5032] close(5) = -1 EBADF (Bad file descriptor) [pid 5032] close(6) = -1 EBADF (Bad file descriptor) [pid 5032] close(7) = -1 EBADF (Bad file descriptor) [pid 5032] close(8) = -1 EBADF (Bad file descriptor) [pid 5032] close(9) = -1 EBADF (Bad file descriptor) [pid 5032] close(10) = -1 EBADF (Bad file descriptor) [pid 5032] close(11) = -1 EBADF (Bad file descriptor) [pid 5032] close(12) = -1 EBADF (Bad file descriptor) [pid 5032] close(13) = -1 EBADF (Bad file descriptor) [pid 5032] close(14) = -1 EBADF (Bad file descriptor) [pid 5032] close(15) = -1 EBADF (Bad file descriptor) [pid 5032] close(16) = -1 EBADF (Bad file descriptor) [pid 5032] close(17) = -1 EBADF (Bad file descriptor) [pid 5032] close(18) = -1 EBADF (Bad file descriptor) [pid 5032] close(19) = -1 EBADF (Bad file descriptor) [pid 5032] close(20) = -1 EBADF (Bad file descriptor) [pid 5032] close(21) = -1 EBADF (Bad file descriptor) [pid 5032] close(22) = -1 EBADF (Bad file descriptor) [pid 5032] close(23) = -1 EBADF (Bad file descriptor) [pid 5032] close(24) = -1 EBADF (Bad file descriptor) [pid 5032] close(25) = -1 EBADF (Bad file descriptor) [pid 5032] close(26) = -1 EBADF (Bad file descriptor) [pid 5032] close(27) = -1 EBADF (Bad file descriptor) [pid 5032] close(28) = -1 EBADF (Bad file descriptor) [pid 5032] close(29) = -1 EBADF (Bad file descriptor) [pid 5032] exit_group(0) = ? [pid 5032] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./25/cgroup.cpu") = 0 [pid 5005] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./25/binderfs") = 0 [pid 5005] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./25/cgroup") = 0 [pid 5005] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./25/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./25") = 0 [pid 5005] mkdir("./26", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 28 ./strace-static-x86_64: Process 5033 attached [pid 5033] chdir("./26") = 0 [pid 5033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5033] setpgid(0, 0) = 0 [pid 5033] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5033] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5033] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "1000", 4) = 4 [pid 5033] close(3) = 0 [pid 5033] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5033] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5033] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5033] openat(3, "freezer.state", O_RDWR) = 4 [pid 5033] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5033] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5033] close(3) = 0 [pid 5033] close(4) = 0 [pid 5033] close(5) = -1 EBADF (Bad file descriptor) [pid 5033] close(6) = -1 EBADF (Bad file descriptor) [pid 5033] close(7) = -1 EBADF (Bad file descriptor) [pid 5033] close(8) = -1 EBADF (Bad file descriptor) [pid 5033] close(9) = -1 EBADF (Bad file descriptor) [pid 5033] close(10) = -1 EBADF (Bad file descriptor) [pid 5033] close(11) = -1 EBADF (Bad file descriptor) [pid 5033] close(12) = -1 EBADF (Bad file descriptor) [pid 5033] close(13) = -1 EBADF (Bad file descriptor) [pid 5033] close(14) = -1 EBADF (Bad file descriptor) [pid 5033] close(15) = -1 EBADF (Bad file descriptor) [pid 5033] close(16) = -1 EBADF (Bad file descriptor) [pid 5033] close(17) = -1 EBADF (Bad file descriptor) [pid 5033] close(18) = -1 EBADF (Bad file descriptor) [pid 5033] close(19) = -1 EBADF (Bad file descriptor) [pid 5033] close(20) = -1 EBADF (Bad file descriptor) [pid 5033] close(21) = -1 EBADF (Bad file descriptor) [pid 5033] close(22) = -1 EBADF (Bad file descriptor) [pid 5033] close(23) = -1 EBADF (Bad file descriptor) [pid 5033] close(24) = -1 EBADF (Bad file descriptor) [pid 5033] close(25) = -1 EBADF (Bad file descriptor) [pid 5033] close(26) = -1 EBADF (Bad file descriptor) [pid 5033] close(27) = -1 EBADF (Bad file descriptor) [pid 5033] close(28) = -1 EBADF (Bad file descriptor) [pid 5033] close(29) = -1 EBADF (Bad file descriptor) [pid 5033] exit_group(0) = ? [pid 5033] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./26/cgroup.cpu") = 0 [pid 5005] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./26/binderfs") = 0 [pid 5005] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./26/cgroup") = 0 [pid 5005] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./26/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./26") = 0 [pid 5005] mkdir("./27", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5034 attached [pid 5034] chdir("./27") = 0 [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5034] setpgid(0, 0) = 0 [pid 5034] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 29 [pid 5034] <... symlink resumed>) = 0 [pid 5034] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5034] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "1000", 4) = 4 [pid 5034] close(3) = 0 [pid 5034] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5034] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5034] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5034] openat(3, "freezer.state", O_RDWR) = 4 [pid 5034] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5034] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5034] close(3) = 0 [pid 5034] close(4) = 0 [pid 5034] close(5) = -1 EBADF (Bad file descriptor) [pid 5034] close(6) = -1 EBADF (Bad file descriptor) [pid 5034] close(7) = -1 EBADF (Bad file descriptor) [pid 5034] close(8) = -1 EBADF (Bad file descriptor) [pid 5034] close(9) = -1 EBADF (Bad file descriptor) [pid 5034] close(10) = -1 EBADF (Bad file descriptor) [pid 5034] close(11) = -1 EBADF (Bad file descriptor) [pid 5034] close(12) = -1 EBADF (Bad file descriptor) [pid 5034] close(13) = -1 EBADF (Bad file descriptor) [pid 5034] close(14) = -1 EBADF (Bad file descriptor) [pid 5034] close(15) = -1 EBADF (Bad file descriptor) [pid 5034] close(16) = -1 EBADF (Bad file descriptor) [pid 5034] close(17) = -1 EBADF (Bad file descriptor) [pid 5034] close(18) = -1 EBADF (Bad file descriptor) [pid 5034] close(19) = -1 EBADF (Bad file descriptor) [pid 5034] close(20) = -1 EBADF (Bad file descriptor) [pid 5034] close(21) = -1 EBADF (Bad file descriptor) [pid 5034] close(22) = -1 EBADF (Bad file descriptor) [pid 5034] close(23) = -1 EBADF (Bad file descriptor) [pid 5034] close(24) = -1 EBADF (Bad file descriptor) [pid 5034] close(25) = -1 EBADF (Bad file descriptor) [pid 5034] close(26) = -1 EBADF (Bad file descriptor) [pid 5034] close(27) = -1 EBADF (Bad file descriptor) [pid 5034] close(28) = -1 EBADF (Bad file descriptor) [pid 5034] close(29) = -1 EBADF (Bad file descriptor) [pid 5034] exit_group(0) = ? [pid 5034] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./27/cgroup.cpu") = 0 [pid 5005] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./27/binderfs") = 0 [pid 5005] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./27/cgroup") = 0 [pid 5005] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./27/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./27") = 0 [pid 5005] mkdir("./28", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5035 attached [pid 5035] chdir("./28") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 30 [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5035] setpgid(0, 0) = 0 [pid 5035] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5035] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5035] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1000", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5035] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5035] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5035] openat(3, "freezer.state", O_RDWR) = 4 [pid 5035] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5035] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5035] close(3) = 0 [pid 5035] close(4) = 0 [pid 5035] close(5) = -1 EBADF (Bad file descriptor) [pid 5035] close(6) = -1 EBADF (Bad file descriptor) [pid 5035] close(7) = -1 EBADF (Bad file descriptor) [pid 5035] close(8) = -1 EBADF (Bad file descriptor) [pid 5035] close(9) = -1 EBADF (Bad file descriptor) [pid 5035] close(10) = -1 EBADF (Bad file descriptor) [pid 5035] close(11) = -1 EBADF (Bad file descriptor) [pid 5035] close(12) = -1 EBADF (Bad file descriptor) [pid 5035] close(13) = -1 EBADF (Bad file descriptor) [pid 5035] close(14) = -1 EBADF (Bad file descriptor) [pid 5035] close(15) = -1 EBADF (Bad file descriptor) [pid 5035] close(16) = -1 EBADF (Bad file descriptor) [pid 5035] close(17) = -1 EBADF (Bad file descriptor) [pid 5035] close(18) = -1 EBADF (Bad file descriptor) [pid 5035] close(19) = -1 EBADF (Bad file descriptor) [pid 5035] close(20) = -1 EBADF (Bad file descriptor) [pid 5035] close(21) = -1 EBADF (Bad file descriptor) [pid 5035] close(22) = -1 EBADF (Bad file descriptor) [pid 5035] close(23) = -1 EBADF (Bad file descriptor) [pid 5035] close(24) = -1 EBADF (Bad file descriptor) [pid 5035] close(25) = -1 EBADF (Bad file descriptor) [pid 5035] close(26) = -1 EBADF (Bad file descriptor) [pid 5035] close(27) = -1 EBADF (Bad file descriptor) [pid 5035] close(28) = -1 EBADF (Bad file descriptor) [pid 5035] close(29) = -1 EBADF (Bad file descriptor) [pid 5035] exit_group(0) = ? [pid 5035] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./28/cgroup.cpu") = 0 [pid 5005] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./28/binderfs") = 0 [pid 5005] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./28/cgroup") = 0 [pid 5005] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./28/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./28") = 0 [pid 5005] mkdir("./29", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5036 attached [pid 5036] chdir("./29" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 31 [pid 5036] <... chdir resumed>) = 0 [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5036] setpgid(0, 0) = 0 [pid 5036] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5036] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5036] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1000", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5036] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5036] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5036] openat(3, "freezer.state", O_RDWR) = 4 [pid 5036] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5036] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5036] close(3) = 0 [pid 5036] close(4) = 0 [pid 5036] close(5) = -1 EBADF (Bad file descriptor) [pid 5036] close(6) = -1 EBADF (Bad file descriptor) [pid 5036] close(7) = -1 EBADF (Bad file descriptor) [pid 5036] close(8) = -1 EBADF (Bad file descriptor) [pid 5036] close(9) = -1 EBADF (Bad file descriptor) [pid 5036] close(10) = -1 EBADF (Bad file descriptor) [pid 5036] close(11) = -1 EBADF (Bad file descriptor) [pid 5036] close(12) = -1 EBADF (Bad file descriptor) [pid 5036] close(13) = -1 EBADF (Bad file descriptor) [pid 5036] close(14) = -1 EBADF (Bad file descriptor) [pid 5036] close(15) = -1 EBADF (Bad file descriptor) [pid 5036] close(16) = -1 EBADF (Bad file descriptor) [pid 5036] close(17) = -1 EBADF (Bad file descriptor) [pid 5036] close(18) = -1 EBADF (Bad file descriptor) [pid 5036] close(19) = -1 EBADF (Bad file descriptor) [pid 5036] close(20) = -1 EBADF (Bad file descriptor) [pid 5036] close(21) = -1 EBADF (Bad file descriptor) [pid 5036] close(22) = -1 EBADF (Bad file descriptor) [pid 5036] close(23) = -1 EBADF (Bad file descriptor) [pid 5036] close(24) = -1 EBADF (Bad file descriptor) [pid 5036] close(25) = -1 EBADF (Bad file descriptor) [pid 5036] close(26) = -1 EBADF (Bad file descriptor) [pid 5036] close(27) = -1 EBADF (Bad file descriptor) [pid 5036] close(28) = -1 EBADF (Bad file descriptor) [pid 5036] close(29) = -1 EBADF (Bad file descriptor) [pid 5036] exit_group(0) = ? [pid 5036] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./29/cgroup.cpu") = 0 [pid 5005] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./29/binderfs") = 0 [pid 5005] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./29/cgroup") = 0 [pid 5005] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./29/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./29") = 0 [pid 5005] mkdir("./30", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5037 attached [pid 5037] chdir("./30") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 32 [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5037] setpgid(0, 0) = 0 [pid 5037] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5037] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5037] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1000", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5037] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5037] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5037] openat(3, "freezer.state", O_RDWR) = 4 [pid 5037] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5037] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5037] close(3) = 0 [pid 5037] close(4) = 0 [pid 5037] close(5) = -1 EBADF (Bad file descriptor) [pid 5037] close(6) = -1 EBADF (Bad file descriptor) [pid 5037] close(7) = -1 EBADF (Bad file descriptor) [pid 5037] close(8) = -1 EBADF (Bad file descriptor) [pid 5037] close(9) = -1 EBADF (Bad file descriptor) [pid 5037] close(10) = -1 EBADF (Bad file descriptor) [pid 5037] close(11) = -1 EBADF (Bad file descriptor) [pid 5037] close(12) = -1 EBADF (Bad file descriptor) [pid 5037] close(13) = -1 EBADF (Bad file descriptor) [pid 5037] close(14) = -1 EBADF (Bad file descriptor) [pid 5037] close(15) = -1 EBADF (Bad file descriptor) [pid 5037] close(16) = -1 EBADF (Bad file descriptor) [pid 5037] close(17) = -1 EBADF (Bad file descriptor) [pid 5037] close(18) = -1 EBADF (Bad file descriptor) [pid 5037] close(19) = -1 EBADF (Bad file descriptor) [pid 5037] close(20) = -1 EBADF (Bad file descriptor) [pid 5037] close(21) = -1 EBADF (Bad file descriptor) [pid 5037] close(22) = -1 EBADF (Bad file descriptor) [pid 5037] close(23) = -1 EBADF (Bad file descriptor) [pid 5037] close(24) = -1 EBADF (Bad file descriptor) [pid 5037] close(25) = -1 EBADF (Bad file descriptor) [pid 5037] close(26) = -1 EBADF (Bad file descriptor) [pid 5037] close(27) = -1 EBADF (Bad file descriptor) [pid 5037] close(28) = -1 EBADF (Bad file descriptor) [pid 5037] close(29) = -1 EBADF (Bad file descriptor) [pid 5037] exit_group(0) = ? [pid 5037] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./30/cgroup.cpu") = 0 [pid 5005] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./30/binderfs") = 0 [pid 5005] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./30/cgroup") = 0 [pid 5005] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./30/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./30") = 0 [pid 5005] mkdir("./31", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5038 attached [pid 5038] chdir("./31" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 33 [pid 5038] <... chdir resumed>) = 0 [pid 5038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5038] setpgid(0, 0) = 0 [pid 5038] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5038] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5038] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5038] write(3, "1000", 4) = 4 [pid 5038] close(3) = 0 [pid 5038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5038] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5038] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5038] openat(3, "freezer.state", O_RDWR) = 4 [pid 5038] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5038] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5038] close(3) = 0 [pid 5038] close(4) = 0 [pid 5038] close(5) = -1 EBADF (Bad file descriptor) [pid 5038] close(6) = -1 EBADF (Bad file descriptor) [pid 5038] close(7) = -1 EBADF (Bad file descriptor) [pid 5038] close(8) = -1 EBADF (Bad file descriptor) [pid 5038] close(9) = -1 EBADF (Bad file descriptor) [pid 5038] close(10) = -1 EBADF (Bad file descriptor) [pid 5038] close(11) = -1 EBADF (Bad file descriptor) [pid 5038] close(12) = -1 EBADF (Bad file descriptor) [pid 5038] close(13) = -1 EBADF (Bad file descriptor) [pid 5038] close(14) = -1 EBADF (Bad file descriptor) [pid 5038] close(15) = -1 EBADF (Bad file descriptor) [pid 5038] close(16) = -1 EBADF (Bad file descriptor) [pid 5038] close(17) = -1 EBADF (Bad file descriptor) [pid 5038] close(18) = -1 EBADF (Bad file descriptor) [pid 5038] close(19) = -1 EBADF (Bad file descriptor) [pid 5038] close(20) = -1 EBADF (Bad file descriptor) [pid 5038] close(21) = -1 EBADF (Bad file descriptor) [pid 5038] close(22) = -1 EBADF (Bad file descriptor) [pid 5038] close(23) = -1 EBADF (Bad file descriptor) [pid 5038] close(24) = -1 EBADF (Bad file descriptor) [pid 5038] close(25) = -1 EBADF (Bad file descriptor) [pid 5038] close(26) = -1 EBADF (Bad file descriptor) [pid 5038] close(27) = -1 EBADF (Bad file descriptor) [pid 5038] close(28) = -1 EBADF (Bad file descriptor) [pid 5038] close(29) = -1 EBADF (Bad file descriptor) [pid 5038] exit_group(0) = ? [pid 5038] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./31/cgroup.cpu") = 0 [pid 5005] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./31/binderfs") = 0 [pid 5005] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./31/cgroup") = 0 [pid 5005] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./31/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./31") = 0 [pid 5005] mkdir("./32", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5039 attached [pid 5039] chdir("./32") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 34 [pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5039] setpgid(0, 0) = 0 [pid 5039] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5039] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5039] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5039] write(3, "1000", 4) = 4 [pid 5039] close(3) = 0 [pid 5039] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5039] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5039] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5039] openat(3, "freezer.state", O_RDWR) = 4 [pid 5039] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5039] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5039] close(3) = 0 [pid 5039] close(4) = 0 [pid 5039] close(5) = -1 EBADF (Bad file descriptor) [pid 5039] close(6) = -1 EBADF (Bad file descriptor) [pid 5039] close(7) = -1 EBADF (Bad file descriptor) [pid 5039] close(8) = -1 EBADF (Bad file descriptor) [pid 5039] close(9) = -1 EBADF (Bad file descriptor) [pid 5039] close(10) = -1 EBADF (Bad file descriptor) [pid 5039] close(11) = -1 EBADF (Bad file descriptor) [pid 5039] close(12) = -1 EBADF (Bad file descriptor) [pid 5039] close(13) = -1 EBADF (Bad file descriptor) [pid 5039] close(14) = -1 EBADF (Bad file descriptor) [pid 5039] close(15) = -1 EBADF (Bad file descriptor) [pid 5039] close(16) = -1 EBADF (Bad file descriptor) [pid 5039] close(17) = -1 EBADF (Bad file descriptor) [pid 5039] close(18) = -1 EBADF (Bad file descriptor) [pid 5039] close(19) = -1 EBADF (Bad file descriptor) [pid 5039] close(20) = -1 EBADF (Bad file descriptor) [pid 5039] close(21) = -1 EBADF (Bad file descriptor) [pid 5039] close(22) = -1 EBADF (Bad file descriptor) [pid 5039] close(23) = -1 EBADF (Bad file descriptor) [pid 5039] close(24) = -1 EBADF (Bad file descriptor) [pid 5039] close(25) = -1 EBADF (Bad file descriptor) [pid 5039] close(26) = -1 EBADF (Bad file descriptor) [pid 5039] close(27) = -1 EBADF (Bad file descriptor) [pid 5039] close(28) = -1 EBADF (Bad file descriptor) [pid 5039] close(29) = -1 EBADF (Bad file descriptor) [pid 5039] exit_group(0) = ? [pid 5039] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./32/cgroup.cpu") = 0 [pid 5005] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./32/binderfs") = 0 [pid 5005] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./32/cgroup") = 0 [pid 5005] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./32/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./32") = 0 [pid 5005] mkdir("./33", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5040 attached [pid 5040] chdir("./33" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 35 [pid 5040] <... chdir resumed>) = 0 [pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5040] setpgid(0, 0) = 0 [pid 5040] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5040] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5040] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "1000", 4) = 4 [pid 5040] close(3) = 0 [pid 5040] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5040] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5040] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5040] openat(3, "freezer.state", O_RDWR) = 4 [pid 5040] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5040] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5040] close(3) = 0 [pid 5040] close(4) = 0 [pid 5040] close(5) = -1 EBADF (Bad file descriptor) [pid 5040] close(6) = -1 EBADF (Bad file descriptor) [pid 5040] close(7) = -1 EBADF (Bad file descriptor) [pid 5040] close(8) = -1 EBADF (Bad file descriptor) [pid 5040] close(9) = -1 EBADF (Bad file descriptor) [pid 5040] close(10) = -1 EBADF (Bad file descriptor) [pid 5040] close(11) = -1 EBADF (Bad file descriptor) [pid 5040] close(12) = -1 EBADF (Bad file descriptor) [pid 5040] close(13) = -1 EBADF (Bad file descriptor) [pid 5040] close(14) = -1 EBADF (Bad file descriptor) [pid 5040] close(15) = -1 EBADF (Bad file descriptor) [pid 5040] close(16) = -1 EBADF (Bad file descriptor) [pid 5040] close(17) = -1 EBADF (Bad file descriptor) [pid 5040] close(18) = -1 EBADF (Bad file descriptor) [pid 5040] close(19) = -1 EBADF (Bad file descriptor) [pid 5040] close(20) = -1 EBADF (Bad file descriptor) [pid 5040] close(21) = -1 EBADF (Bad file descriptor) [pid 5040] close(22) = -1 EBADF (Bad file descriptor) [pid 5040] close(23) = -1 EBADF (Bad file descriptor) [pid 5040] close(24) = -1 EBADF (Bad file descriptor) [pid 5040] close(25) = -1 EBADF (Bad file descriptor) [pid 5040] close(26) = -1 EBADF (Bad file descriptor) [pid 5040] close(27) = -1 EBADF (Bad file descriptor) [pid 5040] close(28) = -1 EBADF (Bad file descriptor) [pid 5040] close(29) = -1 EBADF (Bad file descriptor) [pid 5040] exit_group(0) = ? [pid 5040] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./33/cgroup.cpu") = 0 [pid 5005] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./33/binderfs") = 0 [pid 5005] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./33/cgroup") = 0 [pid 5005] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./33/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./33") = 0 [pid 5005] mkdir("./34", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 36 ./strace-static-x86_64: Process 5041 attached [pid 5041] chdir("./34") = 0 [pid 5041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5041] setpgid(0, 0) = 0 [pid 5041] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5041] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5041] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "1000", 4) = 4 [pid 5041] close(3) = 0 [pid 5041] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5041] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5041] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5041] openat(3, "freezer.state", O_RDWR) = 4 [pid 5041] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5041] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5041] close(3) = 0 [pid 5041] close(4) = 0 [pid 5041] close(5) = -1 EBADF (Bad file descriptor) [pid 5041] close(6) = -1 EBADF (Bad file descriptor) [pid 5041] close(7) = -1 EBADF (Bad file descriptor) [pid 5041] close(8) = -1 EBADF (Bad file descriptor) [pid 5041] close(9) = -1 EBADF (Bad file descriptor) [pid 5041] close(10) = -1 EBADF (Bad file descriptor) [pid 5041] close(11) = -1 EBADF (Bad file descriptor) [pid 5041] close(12) = -1 EBADF (Bad file descriptor) [pid 5041] close(13) = -1 EBADF (Bad file descriptor) [pid 5041] close(14) = -1 EBADF (Bad file descriptor) [pid 5041] close(15) = -1 EBADF (Bad file descriptor) [pid 5041] close(16) = -1 EBADF (Bad file descriptor) [pid 5041] close(17) = -1 EBADF (Bad file descriptor) [pid 5041] close(18) = -1 EBADF (Bad file descriptor) [pid 5041] close(19) = -1 EBADF (Bad file descriptor) [pid 5041] close(20) = -1 EBADF (Bad file descriptor) [pid 5041] close(21) = -1 EBADF (Bad file descriptor) [pid 5041] close(22) = -1 EBADF (Bad file descriptor) [pid 5041] close(23) = -1 EBADF (Bad file descriptor) [pid 5041] close(24) = -1 EBADF (Bad file descriptor) [pid 5041] close(25) = -1 EBADF (Bad file descriptor) [pid 5041] close(26) = -1 EBADF (Bad file descriptor) [pid 5041] close(27) = -1 EBADF (Bad file descriptor) [pid 5041] close(28) = -1 EBADF (Bad file descriptor) [pid 5041] close(29) = -1 EBADF (Bad file descriptor) [pid 5041] exit_group(0) = ? [pid 5041] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./34/cgroup.cpu") = 0 [pid 5005] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./34/binderfs") = 0 [pid 5005] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./34/cgroup") = 0 [pid 5005] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./34/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./34") = 0 [pid 5005] mkdir("./35", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5042 attached , child_tidptr=0x5555570a35d0) = 37 [pid 5042] chdir("./35") = 0 [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5042] setpgid(0, 0) = 0 [pid 5042] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5042] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5042] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1000", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5042] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5042] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5042] openat(3, "freezer.state", O_RDWR) = 4 [pid 5042] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5042] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5042] close(3) = 0 [pid 5042] close(4) = 0 [pid 5042] close(5) = -1 EBADF (Bad file descriptor) [pid 5042] close(6) = -1 EBADF (Bad file descriptor) [pid 5042] close(7) = -1 EBADF (Bad file descriptor) [pid 5042] close(8) = -1 EBADF (Bad file descriptor) [pid 5042] close(9) = -1 EBADF (Bad file descriptor) [pid 5042] close(10) = -1 EBADF (Bad file descriptor) [pid 5042] close(11) = -1 EBADF (Bad file descriptor) [pid 5042] close(12) = -1 EBADF (Bad file descriptor) [pid 5042] close(13) = -1 EBADF (Bad file descriptor) [pid 5042] close(14) = -1 EBADF (Bad file descriptor) [pid 5042] close(15) = -1 EBADF (Bad file descriptor) [pid 5042] close(16) = -1 EBADF (Bad file descriptor) [pid 5042] close(17) = -1 EBADF (Bad file descriptor) [pid 5042] close(18) = -1 EBADF (Bad file descriptor) [pid 5042] close(19) = -1 EBADF (Bad file descriptor) [pid 5042] close(20) = -1 EBADF (Bad file descriptor) [pid 5042] close(21) = -1 EBADF (Bad file descriptor) [pid 5042] close(22) = -1 EBADF (Bad file descriptor) [pid 5042] close(23) = -1 EBADF (Bad file descriptor) [pid 5042] close(24) = -1 EBADF (Bad file descriptor) [pid 5042] close(25) = -1 EBADF (Bad file descriptor) [pid 5042] close(26) = -1 EBADF (Bad file descriptor) [pid 5042] close(27) = -1 EBADF (Bad file descriptor) [pid 5042] close(28) = -1 EBADF (Bad file descriptor) [pid 5042] close(29) = -1 EBADF (Bad file descriptor) [pid 5042] exit_group(0) = ? [pid 5042] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./35/cgroup.cpu") = 0 [pid 5005] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./35/binderfs") = 0 [pid 5005] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./35/cgroup") = 0 [pid 5005] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./35/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./35") = 0 [pid 5005] mkdir("./36", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5043 attached , child_tidptr=0x5555570a35d0) = 38 [pid 5043] chdir("./36") = 0 [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5043] setpgid(0, 0) = 0 [pid 5043] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5043] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5043] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5043] write(3, "1000", 4) = 4 [pid 5043] close(3) = 0 [pid 5043] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5043] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5043] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5043] openat(3, "freezer.state", O_RDWR) = 4 [pid 5043] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5043] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5043] close(3) = 0 [pid 5043] close(4) = 0 [pid 5043] close(5) = -1 EBADF (Bad file descriptor) [pid 5043] close(6) = -1 EBADF (Bad file descriptor) [pid 5043] close(7) = -1 EBADF (Bad file descriptor) [pid 5043] close(8) = -1 EBADF (Bad file descriptor) [pid 5043] close(9) = -1 EBADF (Bad file descriptor) [pid 5043] close(10) = -1 EBADF (Bad file descriptor) [pid 5043] close(11) = -1 EBADF (Bad file descriptor) [pid 5043] close(12) = -1 EBADF (Bad file descriptor) [pid 5043] close(13) = -1 EBADF (Bad file descriptor) [pid 5043] close(14) = -1 EBADF (Bad file descriptor) [pid 5043] close(15) = -1 EBADF (Bad file descriptor) [pid 5043] close(16) = -1 EBADF (Bad file descriptor) [pid 5043] close(17) = -1 EBADF (Bad file descriptor) [pid 5043] close(18) = -1 EBADF (Bad file descriptor) [pid 5043] close(19) = -1 EBADF (Bad file descriptor) [pid 5043] close(20) = -1 EBADF (Bad file descriptor) [pid 5043] close(21) = -1 EBADF (Bad file descriptor) [pid 5043] close(22) = -1 EBADF (Bad file descriptor) [pid 5043] close(23) = -1 EBADF (Bad file descriptor) [pid 5043] close(24) = -1 EBADF (Bad file descriptor) [pid 5043] close(25) = -1 EBADF (Bad file descriptor) [pid 5043] close(26) = -1 EBADF (Bad file descriptor) [pid 5043] close(27) = -1 EBADF (Bad file descriptor) [pid 5043] close(28) = -1 EBADF (Bad file descriptor) [pid 5043] close(29) = -1 EBADF (Bad file descriptor) [pid 5043] exit_group(0) = ? [pid 5043] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./36/cgroup.cpu") = 0 [pid 5005] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./36/binderfs") = 0 [pid 5005] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./36/cgroup") = 0 [pid 5005] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./36/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./36") = 0 [pid 5005] mkdir("./37", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5044 attached , child_tidptr=0x5555570a35d0) = 39 [pid 5044] chdir("./37") = 0 [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5044] setpgid(0, 0) = 0 [pid 5044] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5044] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5044] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "1000", 4) = 4 [pid 5044] close(3) = 0 [pid 5044] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5044] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5044] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5044] openat(3, "freezer.state", O_RDWR) = 4 [pid 5044] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5044] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5044] close(3) = 0 [pid 5044] close(4) = 0 [pid 5044] close(5) = -1 EBADF (Bad file descriptor) [pid 5044] close(6) = -1 EBADF (Bad file descriptor) [pid 5044] close(7) = -1 EBADF (Bad file descriptor) [pid 5044] close(8) = -1 EBADF (Bad file descriptor) [pid 5044] close(9) = -1 EBADF (Bad file descriptor) [pid 5044] close(10) = -1 EBADF (Bad file descriptor) [pid 5044] close(11) = -1 EBADF (Bad file descriptor) [pid 5044] close(12) = -1 EBADF (Bad file descriptor) [pid 5044] close(13) = -1 EBADF (Bad file descriptor) [pid 5044] close(14) = -1 EBADF (Bad file descriptor) [pid 5044] close(15) = -1 EBADF (Bad file descriptor) [pid 5044] close(16) = -1 EBADF (Bad file descriptor) [pid 5044] close(17) = -1 EBADF (Bad file descriptor) [pid 5044] close(18) = -1 EBADF (Bad file descriptor) [pid 5044] close(19) = -1 EBADF (Bad file descriptor) [pid 5044] close(20) = -1 EBADF (Bad file descriptor) [pid 5044] close(21) = -1 EBADF (Bad file descriptor) [pid 5044] close(22) = -1 EBADF (Bad file descriptor) [pid 5044] close(23) = -1 EBADF (Bad file descriptor) [pid 5044] close(24) = -1 EBADF (Bad file descriptor) [pid 5044] close(25) = -1 EBADF (Bad file descriptor) [pid 5044] close(26) = -1 EBADF (Bad file descriptor) [pid 5044] close(27) = -1 EBADF (Bad file descriptor) [pid 5044] close(28) = -1 EBADF (Bad file descriptor) [pid 5044] close(29) = -1 EBADF (Bad file descriptor) [pid 5044] exit_group(0) = ? [pid 5044] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./37/cgroup.cpu") = 0 [pid 5005] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./37/binderfs") = 0 [pid 5005] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./37/cgroup") = 0 [pid 5005] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./37/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./37") = 0 [pid 5005] mkdir("./38", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 40 ./strace-static-x86_64: Process 5045 attached [pid 5045] chdir("./38") = 0 [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5045] setpgid(0, 0) = 0 [pid 5045] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5045] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5045] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5045] write(3, "1000", 4) = 4 [pid 5045] close(3) = 0 [pid 5045] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5045] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5045] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5045] openat(3, "freezer.state", O_RDWR) = 4 [pid 5045] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5045] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5045] close(3) = 0 [pid 5045] close(4) = 0 [pid 5045] close(5) = -1 EBADF (Bad file descriptor) [pid 5045] close(6) = -1 EBADF (Bad file descriptor) [pid 5045] close(7) = -1 EBADF (Bad file descriptor) [pid 5045] close(8) = -1 EBADF (Bad file descriptor) [pid 5045] close(9) = -1 EBADF (Bad file descriptor) [pid 5045] close(10) = -1 EBADF (Bad file descriptor) [pid 5045] close(11) = -1 EBADF (Bad file descriptor) [pid 5045] close(12) = -1 EBADF (Bad file descriptor) [pid 5045] close(13) = -1 EBADF (Bad file descriptor) [pid 5045] close(14) = -1 EBADF (Bad file descriptor) [pid 5045] close(15) = -1 EBADF (Bad file descriptor) [pid 5045] close(16) = -1 EBADF (Bad file descriptor) [pid 5045] close(17) = -1 EBADF (Bad file descriptor) [pid 5045] close(18) = -1 EBADF (Bad file descriptor) [pid 5045] close(19) = -1 EBADF (Bad file descriptor) [pid 5045] close(20) = -1 EBADF (Bad file descriptor) [pid 5045] close(21) = -1 EBADF (Bad file descriptor) [pid 5045] close(22) = -1 EBADF (Bad file descriptor) [pid 5045] close(23) = -1 EBADF (Bad file descriptor) [pid 5045] close(24) = -1 EBADF (Bad file descriptor) [pid 5045] close(25) = -1 EBADF (Bad file descriptor) [pid 5045] close(26) = -1 EBADF (Bad file descriptor) [pid 5045] close(27) = -1 EBADF (Bad file descriptor) [pid 5045] close(28) = -1 EBADF (Bad file descriptor) [pid 5045] close(29) = -1 EBADF (Bad file descriptor) [pid 5045] exit_group(0) = ? [pid 5045] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./38/cgroup.cpu") = 0 [pid 5005] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./38/binderfs") = 0 [pid 5005] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./38/cgroup") = 0 [pid 5005] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./38/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./38") = 0 [pid 5005] mkdir("./39", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5046 attached [pid 5046] chdir("./39" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 41 [pid 5046] <... chdir resumed>) = 0 [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5046] setpgid(0, 0) = 0 [pid 5046] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5046] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5046] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5046] write(3, "1000", 4) = 4 [pid 5046] close(3) = 0 [pid 5046] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5046] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5046] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5046] openat(3, "freezer.state", O_RDWR) = 4 [pid 5046] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5046] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5046] close(3) = 0 [pid 5046] close(4) = 0 [pid 5046] close(5) = -1 EBADF (Bad file descriptor) [pid 5046] close(6) = -1 EBADF (Bad file descriptor) [pid 5046] close(7) = -1 EBADF (Bad file descriptor) [pid 5046] close(8) = -1 EBADF (Bad file descriptor) [pid 5046] close(9) = -1 EBADF (Bad file descriptor) [pid 5046] close(10) = -1 EBADF (Bad file descriptor) [pid 5046] close(11) = -1 EBADF (Bad file descriptor) [pid 5046] close(12) = -1 EBADF (Bad file descriptor) [pid 5046] close(13) = -1 EBADF (Bad file descriptor) [pid 5046] close(14) = -1 EBADF (Bad file descriptor) [pid 5046] close(15) = -1 EBADF (Bad file descriptor) [pid 5046] close(16) = -1 EBADF (Bad file descriptor) [pid 5046] close(17) = -1 EBADF (Bad file descriptor) [pid 5046] close(18) = -1 EBADF (Bad file descriptor) [pid 5046] close(19) = -1 EBADF (Bad file descriptor) [pid 5046] close(20) = -1 EBADF (Bad file descriptor) [pid 5046] close(21) = -1 EBADF (Bad file descriptor) [pid 5046] close(22) = -1 EBADF (Bad file descriptor) [pid 5046] close(23) = -1 EBADF (Bad file descriptor) [pid 5046] close(24) = -1 EBADF (Bad file descriptor) [pid 5046] close(25) = -1 EBADF (Bad file descriptor) [pid 5046] close(26) = -1 EBADF (Bad file descriptor) [pid 5046] close(27) = -1 EBADF (Bad file descriptor) [pid 5046] close(28) = -1 EBADF (Bad file descriptor) [pid 5046] close(29) = -1 EBADF (Bad file descriptor) [pid 5046] exit_group(0) = ? [pid 5046] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./39/cgroup.cpu") = 0 [pid 5005] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./39/binderfs") = 0 [pid 5005] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./39/cgroup") = 0 [pid 5005] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./39/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./39") = 0 [pid 5005] mkdir("./40", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5047 attached [pid 5047] chdir("./40") = 0 [pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 42 [pid 5047] <... prctl resumed>) = 0 [pid 5047] setpgid(0, 0) = 0 [pid 5047] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5047] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5047] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5047] write(3, "1000", 4) = 4 [pid 5047] close(3) = 0 [pid 5047] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5047] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5047] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5047] openat(3, "freezer.state", O_RDWR) = 4 [pid 5047] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5047] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5047] close(3) = 0 [pid 5047] close(4) = 0 [pid 5047] close(5) = -1 EBADF (Bad file descriptor) [pid 5047] close(6) = -1 EBADF (Bad file descriptor) [pid 5047] close(7) = -1 EBADF (Bad file descriptor) [pid 5047] close(8) = -1 EBADF (Bad file descriptor) [pid 5047] close(9) = -1 EBADF (Bad file descriptor) [pid 5047] close(10) = -1 EBADF (Bad file descriptor) [pid 5047] close(11) = -1 EBADF (Bad file descriptor) [pid 5047] close(12) = -1 EBADF (Bad file descriptor) [pid 5047] close(13) = -1 EBADF (Bad file descriptor) [pid 5047] close(14) = -1 EBADF (Bad file descriptor) [pid 5047] close(15) = -1 EBADF (Bad file descriptor) [pid 5047] close(16) = -1 EBADF (Bad file descriptor) [pid 5047] close(17) = -1 EBADF (Bad file descriptor) [pid 5047] close(18) = -1 EBADF (Bad file descriptor) [pid 5047] close(19) = -1 EBADF (Bad file descriptor) [pid 5047] close(20) = -1 EBADF (Bad file descriptor) [pid 5047] close(21) = -1 EBADF (Bad file descriptor) [pid 5047] close(22) = -1 EBADF (Bad file descriptor) [pid 5047] close(23) = -1 EBADF (Bad file descriptor) [pid 5047] close(24) = -1 EBADF (Bad file descriptor) [pid 5047] close(25) = -1 EBADF (Bad file descriptor) [pid 5047] close(26) = -1 EBADF (Bad file descriptor) [pid 5047] close(27) = -1 EBADF (Bad file descriptor) [pid 5047] close(28) = -1 EBADF (Bad file descriptor) [pid 5047] close(29) = -1 EBADF (Bad file descriptor) [pid 5047] exit_group(0) = ? [pid 5047] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./40/cgroup.cpu") = 0 [pid 5005] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./40/binderfs") = 0 [pid 5005] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./40/cgroup") = 0 [pid 5005] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./40/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./40") = 0 [pid 5005] mkdir("./41", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5048 attached [pid 5048] chdir("./41") = 0 [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5048] setpgid(0, 0) = 0 [pid 5048] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 43 [pid 5048] <... symlink resumed>) = 0 [pid 5048] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5048] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1000", 4) = 4 [pid 5048] close(3) = 0 [pid 5048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5048] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5048] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5048] openat(3, "freezer.state", O_RDWR) = 4 [pid 5048] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5048] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5048] close(3) = 0 [pid 5048] close(4) = 0 [pid 5048] close(5) = -1 EBADF (Bad file descriptor) [pid 5048] close(6) = -1 EBADF (Bad file descriptor) [pid 5048] close(7) = -1 EBADF (Bad file descriptor) [pid 5048] close(8) = -1 EBADF (Bad file descriptor) [pid 5048] close(9) = -1 EBADF (Bad file descriptor) [pid 5048] close(10) = -1 EBADF (Bad file descriptor) [pid 5048] close(11) = -1 EBADF (Bad file descriptor) [pid 5048] close(12) = -1 EBADF (Bad file descriptor) [pid 5048] close(13) = -1 EBADF (Bad file descriptor) [pid 5048] close(14) = -1 EBADF (Bad file descriptor) [pid 5048] close(15) = -1 EBADF (Bad file descriptor) [pid 5048] close(16) = -1 EBADF (Bad file descriptor) [pid 5048] close(17) = -1 EBADF (Bad file descriptor) [pid 5048] close(18) = -1 EBADF (Bad file descriptor) [pid 5048] close(19) = -1 EBADF (Bad file descriptor) [pid 5048] close(20) = -1 EBADF (Bad file descriptor) [pid 5048] close(21) = -1 EBADF (Bad file descriptor) [pid 5048] close(22) = -1 EBADF (Bad file descriptor) [pid 5048] close(23) = -1 EBADF (Bad file descriptor) [pid 5048] close(24) = -1 EBADF (Bad file descriptor) [pid 5048] close(25) = -1 EBADF (Bad file descriptor) [pid 5048] close(26) = -1 EBADF (Bad file descriptor) [pid 5048] close(27) = -1 EBADF (Bad file descriptor) [pid 5048] close(28) = -1 EBADF (Bad file descriptor) [pid 5048] close(29) = -1 EBADF (Bad file descriptor) [pid 5048] exit_group(0) = ? [pid 5048] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./41/cgroup.cpu") = 0 [pid 5005] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./41/binderfs") = 0 [pid 5005] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./41/cgroup") = 0 [pid 5005] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./41/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./41") = 0 [pid 5005] mkdir("./42", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5049 attached [pid 5049] chdir("./42") = 0 [pid 5049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 44 [pid 5049] <... prctl resumed>) = 0 [pid 5049] setpgid(0, 0) = 0 [pid 5049] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5049] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5049] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5049] write(3, "1000", 4) = 4 [pid 5049] close(3) = 0 [pid 5049] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5049] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5049] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5049] openat(3, "freezer.state", O_RDWR) = 4 [pid 5049] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5049] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5049] close(3) = 0 [pid 5049] close(4) = 0 [pid 5049] close(5) = -1 EBADF (Bad file descriptor) [pid 5049] close(6) = -1 EBADF (Bad file descriptor) [pid 5049] close(7) = -1 EBADF (Bad file descriptor) [pid 5049] close(8) = -1 EBADF (Bad file descriptor) [pid 5049] close(9) = -1 EBADF (Bad file descriptor) [pid 5049] close(10) = -1 EBADF (Bad file descriptor) [pid 5049] close(11) = -1 EBADF (Bad file descriptor) [pid 5049] close(12) = -1 EBADF (Bad file descriptor) [pid 5049] close(13) = -1 EBADF (Bad file descriptor) [pid 5049] close(14) = -1 EBADF (Bad file descriptor) [pid 5049] close(15) = -1 EBADF (Bad file descriptor) [pid 5049] close(16) = -1 EBADF (Bad file descriptor) [pid 5049] close(17) = -1 EBADF (Bad file descriptor) [pid 5049] close(18) = -1 EBADF (Bad file descriptor) [pid 5049] close(19) = -1 EBADF (Bad file descriptor) [pid 5049] close(20) = -1 EBADF (Bad file descriptor) [pid 5049] close(21) = -1 EBADF (Bad file descriptor) [pid 5049] close(22) = -1 EBADF (Bad file descriptor) [pid 5049] close(23) = -1 EBADF (Bad file descriptor) [pid 5049] close(24) = -1 EBADF (Bad file descriptor) [pid 5049] close(25) = -1 EBADF (Bad file descriptor) [pid 5049] close(26) = -1 EBADF (Bad file descriptor) [pid 5049] close(27) = -1 EBADF (Bad file descriptor) [pid 5049] close(28) = -1 EBADF (Bad file descriptor) [pid 5049] close(29) = -1 EBADF (Bad file descriptor) [pid 5049] exit_group(0) = ? [pid 5049] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./42/cgroup.cpu") = 0 [pid 5005] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./42/binderfs") = 0 [pid 5005] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./42/cgroup") = 0 [pid 5005] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./42/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./42") = 0 [pid 5005] mkdir("./43", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5050 attached [pid 5050] chdir("./43") = 0 [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5050] setpgid(0, 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 45 [pid 5050] <... setpgid resumed>) = 0 [pid 5050] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5050] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5050] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5050] write(3, "1000", 4) = 4 [pid 5050] close(3) = 0 [pid 5050] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5050] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5050] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5050] openat(3, "freezer.state", O_RDWR) = 4 [pid 5050] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5050] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5050] close(3) = 0 [pid 5050] close(4) = 0 [pid 5050] close(5) = -1 EBADF (Bad file descriptor) [pid 5050] close(6) = -1 EBADF (Bad file descriptor) [pid 5050] close(7) = -1 EBADF (Bad file descriptor) [pid 5050] close(8) = -1 EBADF (Bad file descriptor) [pid 5050] close(9) = -1 EBADF (Bad file descriptor) [pid 5050] close(10) = -1 EBADF (Bad file descriptor) [pid 5050] close(11) = -1 EBADF (Bad file descriptor) [pid 5050] close(12) = -1 EBADF (Bad file descriptor) [pid 5050] close(13) = -1 EBADF (Bad file descriptor) [pid 5050] close(14) = -1 EBADF (Bad file descriptor) [pid 5050] close(15) = -1 EBADF (Bad file descriptor) [pid 5050] close(16) = -1 EBADF (Bad file descriptor) [pid 5050] close(17) = -1 EBADF (Bad file descriptor) [pid 5050] close(18) = -1 EBADF (Bad file descriptor) [pid 5050] close(19) = -1 EBADF (Bad file descriptor) [pid 5050] close(20) = -1 EBADF (Bad file descriptor) [pid 5050] close(21) = -1 EBADF (Bad file descriptor) [pid 5050] close(22) = -1 EBADF (Bad file descriptor) [pid 5050] close(23) = -1 EBADF (Bad file descriptor) [pid 5050] close(24) = -1 EBADF (Bad file descriptor) [pid 5050] close(25) = -1 EBADF (Bad file descriptor) [pid 5050] close(26) = -1 EBADF (Bad file descriptor) [pid 5050] close(27) = -1 EBADF (Bad file descriptor) [pid 5050] close(28) = -1 EBADF (Bad file descriptor) [pid 5050] close(29) = -1 EBADF (Bad file descriptor) [pid 5050] exit_group(0) = ? [pid 5050] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./43/cgroup.cpu") = 0 [pid 5005] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./43/binderfs") = 0 [pid 5005] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./43/cgroup") = 0 [pid 5005] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./43/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./43") = 0 [pid 5005] mkdir("./44", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 46 ./strace-static-x86_64: Process 5051 attached [pid 5051] chdir("./44") = 0 [pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5051] setpgid(0, 0) = 0 [pid 5051] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5051] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5051] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5051] write(3, "1000", 4) = 4 [pid 5051] close(3) = 0 [pid 5051] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5051] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5051] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5051] openat(3, "freezer.state", O_RDWR) = 4 [pid 5051] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5051] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5051] close(3) = 0 [pid 5051] close(4) = 0 [pid 5051] close(5) = -1 EBADF (Bad file descriptor) [pid 5051] close(6) = -1 EBADF (Bad file descriptor) [pid 5051] close(7) = -1 EBADF (Bad file descriptor) [pid 5051] close(8) = -1 EBADF (Bad file descriptor) [pid 5051] close(9) = -1 EBADF (Bad file descriptor) [pid 5051] close(10) = -1 EBADF (Bad file descriptor) [pid 5051] close(11) = -1 EBADF (Bad file descriptor) [pid 5051] close(12) = -1 EBADF (Bad file descriptor) [pid 5051] close(13) = -1 EBADF (Bad file descriptor) [pid 5051] close(14) = -1 EBADF (Bad file descriptor) [pid 5051] close(15) = -1 EBADF (Bad file descriptor) [pid 5051] close(16) = -1 EBADF (Bad file descriptor) [pid 5051] close(17) = -1 EBADF (Bad file descriptor) [pid 5051] close(18) = -1 EBADF (Bad file descriptor) [pid 5051] close(19) = -1 EBADF (Bad file descriptor) [pid 5051] close(20) = -1 EBADF (Bad file descriptor) [pid 5051] close(21) = -1 EBADF (Bad file descriptor) [pid 5051] close(22) = -1 EBADF (Bad file descriptor) [pid 5051] close(23) = -1 EBADF (Bad file descriptor) [pid 5051] close(24) = -1 EBADF (Bad file descriptor) [pid 5051] close(25) = -1 EBADF (Bad file descriptor) [pid 5051] close(26) = -1 EBADF (Bad file descriptor) [pid 5051] close(27) = -1 EBADF (Bad file descriptor) [pid 5051] close(28) = -1 EBADF (Bad file descriptor) [pid 5051] close(29) = -1 EBADF (Bad file descriptor) [pid 5051] exit_group(0) = ? [pid 5051] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./44/cgroup.cpu") = 0 [pid 5005] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./44/binderfs") = 0 [pid 5005] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./44/cgroup") = 0 [pid 5005] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./44/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./44") = 0 [pid 5005] mkdir("./45", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5052 attached [pid 5052] chdir("./45") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 47 [pid 5052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5052] setpgid(0, 0) = 0 [pid 5052] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5052] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5052] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5052] write(3, "1000", 4) = 4 [pid 5052] close(3) = 0 [pid 5052] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5052] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5052] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5052] openat(3, "freezer.state", O_RDWR) = 4 [pid 5052] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5052] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5052] close(3) = 0 [pid 5052] close(4) = 0 [pid 5052] close(5) = -1 EBADF (Bad file descriptor) [pid 5052] close(6) = -1 EBADF (Bad file descriptor) [pid 5052] close(7) = -1 EBADF (Bad file descriptor) [pid 5052] close(8) = -1 EBADF (Bad file descriptor) [pid 5052] close(9) = -1 EBADF (Bad file descriptor) [pid 5052] close(10) = -1 EBADF (Bad file descriptor) [pid 5052] close(11) = -1 EBADF (Bad file descriptor) [pid 5052] close(12) = -1 EBADF (Bad file descriptor) [pid 5052] close(13) = -1 EBADF (Bad file descriptor) [pid 5052] close(14) = -1 EBADF (Bad file descriptor) [pid 5052] close(15) = -1 EBADF (Bad file descriptor) [pid 5052] close(16) = -1 EBADF (Bad file descriptor) [pid 5052] close(17) = -1 EBADF (Bad file descriptor) [pid 5052] close(18) = -1 EBADF (Bad file descriptor) [pid 5052] close(19) = -1 EBADF (Bad file descriptor) [pid 5052] close(20) = -1 EBADF (Bad file descriptor) [pid 5052] close(21) = -1 EBADF (Bad file descriptor) [pid 5052] close(22) = -1 EBADF (Bad file descriptor) [pid 5052] close(23) = -1 EBADF (Bad file descriptor) [pid 5052] close(24) = -1 EBADF (Bad file descriptor) [pid 5052] close(25) = -1 EBADF (Bad file descriptor) [pid 5052] close(26) = -1 EBADF (Bad file descriptor) [pid 5052] close(27) = -1 EBADF (Bad file descriptor) [pid 5052] close(28) = -1 EBADF (Bad file descriptor) [pid 5052] close(29) = -1 EBADF (Bad file descriptor) [pid 5052] exit_group(0) = ? [pid 5052] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./45/cgroup.cpu") = 0 [pid 5005] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./45/binderfs") = 0 [pid 5005] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./45/cgroup") = 0 [pid 5005] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./45/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./45") = 0 [pid 5005] mkdir("./46", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5053 attached [pid 5053] chdir("./46") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 48 [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5053] setpgid(0, 0) = 0 [pid 5053] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5053] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5053] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5053] write(3, "1000", 4) = 4 [pid 5053] close(3) = 0 [pid 5053] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5053] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5053] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5053] openat(3, "freezer.state", O_RDWR) = 4 [pid 5053] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5053] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5053] close(3) = 0 [pid 5053] close(4) = 0 [pid 5053] close(5) = -1 EBADF (Bad file descriptor) [pid 5053] close(6) = -1 EBADF (Bad file descriptor) [pid 5053] close(7) = -1 EBADF (Bad file descriptor) [pid 5053] close(8) = -1 EBADF (Bad file descriptor) [pid 5053] close(9) = -1 EBADF (Bad file descriptor) [pid 5053] close(10) = -1 EBADF (Bad file descriptor) [pid 5053] close(11) = -1 EBADF (Bad file descriptor) [pid 5053] close(12) = -1 EBADF (Bad file descriptor) [pid 5053] close(13) = -1 EBADF (Bad file descriptor) [pid 5053] close(14) = -1 EBADF (Bad file descriptor) [pid 5053] close(15) = -1 EBADF (Bad file descriptor) [pid 5053] close(16) = -1 EBADF (Bad file descriptor) [pid 5053] close(17) = -1 EBADF (Bad file descriptor) [pid 5053] close(18) = -1 EBADF (Bad file descriptor) [pid 5053] close(19) = -1 EBADF (Bad file descriptor) [pid 5053] close(20) = -1 EBADF (Bad file descriptor) [pid 5053] close(21) = -1 EBADF (Bad file descriptor) [pid 5053] close(22) = -1 EBADF (Bad file descriptor) [pid 5053] close(23) = -1 EBADF (Bad file descriptor) [pid 5053] close(24) = -1 EBADF (Bad file descriptor) [pid 5053] close(25) = -1 EBADF (Bad file descriptor) [pid 5053] close(26) = -1 EBADF (Bad file descriptor) [pid 5053] close(27) = -1 EBADF (Bad file descriptor) [pid 5053] close(28) = -1 EBADF (Bad file descriptor) [pid 5053] close(29) = -1 EBADF (Bad file descriptor) [pid 5053] exit_group(0) = ? [pid 5053] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./46/cgroup.cpu") = 0 [pid 5005] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./46/binderfs") = 0 [pid 5005] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./46/cgroup") = 0 [pid 5005] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./46/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./46") = 0 [pid 5005] mkdir("./47", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5054 attached [pid 5054] chdir("./47") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 49 [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5054] setpgid(0, 0) = 0 [pid 5054] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5054] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5054] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5054] write(3, "1000", 4) = 4 [pid 5054] close(3) = 0 [pid 5054] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5054] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5054] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5054] openat(3, "freezer.state", O_RDWR) = 4 [pid 5054] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5054] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5054] close(3) = 0 [pid 5054] close(4) = 0 [pid 5054] close(5) = -1 EBADF (Bad file descriptor) [pid 5054] close(6) = -1 EBADF (Bad file descriptor) [pid 5054] close(7) = -1 EBADF (Bad file descriptor) [pid 5054] close(8) = -1 EBADF (Bad file descriptor) [pid 5054] close(9) = -1 EBADF (Bad file descriptor) [pid 5054] close(10) = -1 EBADF (Bad file descriptor) [pid 5054] close(11) = -1 EBADF (Bad file descriptor) [pid 5054] close(12) = -1 EBADF (Bad file descriptor) [pid 5054] close(13) = -1 EBADF (Bad file descriptor) [pid 5054] close(14) = -1 EBADF (Bad file descriptor) [pid 5054] close(15) = -1 EBADF (Bad file descriptor) [pid 5054] close(16) = -1 EBADF (Bad file descriptor) [pid 5054] close(17) = -1 EBADF (Bad file descriptor) [pid 5054] close(18) = -1 EBADF (Bad file descriptor) [pid 5054] close(19) = -1 EBADF (Bad file descriptor) [pid 5054] close(20) = -1 EBADF (Bad file descriptor) [pid 5054] close(21) = -1 EBADF (Bad file descriptor) [pid 5054] close(22) = -1 EBADF (Bad file descriptor) [pid 5054] close(23) = -1 EBADF (Bad file descriptor) [pid 5054] close(24) = -1 EBADF (Bad file descriptor) [pid 5054] close(25) = -1 EBADF (Bad file descriptor) [pid 5054] close(26) = -1 EBADF (Bad file descriptor) [pid 5054] close(27) = -1 EBADF (Bad file descriptor) [pid 5054] close(28) = -1 EBADF (Bad file descriptor) [pid 5054] close(29) = -1 EBADF (Bad file descriptor) [pid 5054] exit_group(0) = ? [pid 5054] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./47/cgroup.cpu") = 0 [pid 5005] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./47/binderfs") = 0 [pid 5005] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./47/cgroup") = 0 [pid 5005] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./47/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./47") = 0 [pid 5005] mkdir("./48", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5055 attached [pid 5055] chdir("./48") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 50 [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5055] setpgid(0, 0) = 0 [pid 5055] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5055] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5055] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "1000", 4) = 4 [pid 5055] close(3) = 0 [pid 5055] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5055] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5055] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5055] openat(3, "freezer.state", O_RDWR) = 4 [pid 5055] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5055] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5055] close(3) = 0 [pid 5055] close(4) = 0 [pid 5055] close(5) = -1 EBADF (Bad file descriptor) [pid 5055] close(6) = -1 EBADF (Bad file descriptor) [pid 5055] close(7) = -1 EBADF (Bad file descriptor) [pid 5055] close(8) = -1 EBADF (Bad file descriptor) [pid 5055] close(9) = -1 EBADF (Bad file descriptor) [pid 5055] close(10) = -1 EBADF (Bad file descriptor) [pid 5055] close(11) = -1 EBADF (Bad file descriptor) [pid 5055] close(12) = -1 EBADF (Bad file descriptor) [pid 5055] close(13) = -1 EBADF (Bad file descriptor) [pid 5055] close(14) = -1 EBADF (Bad file descriptor) [pid 5055] close(15) = -1 EBADF (Bad file descriptor) [pid 5055] close(16) = -1 EBADF (Bad file descriptor) [pid 5055] close(17) = -1 EBADF (Bad file descriptor) [pid 5055] close(18) = -1 EBADF (Bad file descriptor) [pid 5055] close(19) = -1 EBADF (Bad file descriptor) [pid 5055] close(20) = -1 EBADF (Bad file descriptor) [pid 5055] close(21) = -1 EBADF (Bad file descriptor) [pid 5055] close(22) = -1 EBADF (Bad file descriptor) [pid 5055] close(23) = -1 EBADF (Bad file descriptor) [pid 5055] close(24) = -1 EBADF (Bad file descriptor) [pid 5055] close(25) = -1 EBADF (Bad file descriptor) [pid 5055] close(26) = -1 EBADF (Bad file descriptor) [pid 5055] close(27) = -1 EBADF (Bad file descriptor) [pid 5055] close(28) = -1 EBADF (Bad file descriptor) [pid 5055] close(29) = -1 EBADF (Bad file descriptor) [pid 5055] exit_group(0) = ? [pid 5055] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./48/cgroup.cpu") = 0 [pid 5005] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./48/binderfs") = 0 [pid 5005] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./48/cgroup") = 0 [pid 5005] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./48/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./48") = 0 [pid 5005] mkdir("./49", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5056 attached [pid 5056] chdir("./49") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 51 [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] setpgid(0, 0) = 0 [pid 5056] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5056] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5056] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1000", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5056] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5056] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5056] openat(3, "freezer.state", O_RDWR) = 4 [pid 5056] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5056] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5056] close(3) = 0 [pid 5056] close(4) = 0 [pid 5056] close(5) = -1 EBADF (Bad file descriptor) [pid 5056] close(6) = -1 EBADF (Bad file descriptor) [pid 5056] close(7) = -1 EBADF (Bad file descriptor) [pid 5056] close(8) = -1 EBADF (Bad file descriptor) [pid 5056] close(9) = -1 EBADF (Bad file descriptor) [pid 5056] close(10) = -1 EBADF (Bad file descriptor) [pid 5056] close(11) = -1 EBADF (Bad file descriptor) [pid 5056] close(12) = -1 EBADF (Bad file descriptor) [pid 5056] close(13) = -1 EBADF (Bad file descriptor) [pid 5056] close(14) = -1 EBADF (Bad file descriptor) [pid 5056] close(15) = -1 EBADF (Bad file descriptor) [pid 5056] close(16) = -1 EBADF (Bad file descriptor) [pid 5056] close(17) = -1 EBADF (Bad file descriptor) [pid 5056] close(18) = -1 EBADF (Bad file descriptor) [pid 5056] close(19) = -1 EBADF (Bad file descriptor) [pid 5056] close(20) = -1 EBADF (Bad file descriptor) [pid 5056] close(21) = -1 EBADF (Bad file descriptor) [pid 5056] close(22) = -1 EBADF (Bad file descriptor) [pid 5056] close(23) = -1 EBADF (Bad file descriptor) [pid 5056] close(24) = -1 EBADF (Bad file descriptor) [pid 5056] close(25) = -1 EBADF (Bad file descriptor) [pid 5056] close(26) = -1 EBADF (Bad file descriptor) [pid 5056] close(27) = -1 EBADF (Bad file descriptor) [pid 5056] close(28) = -1 EBADF (Bad file descriptor) [pid 5056] close(29) = -1 EBADF (Bad file descriptor) [pid 5056] exit_group(0) = ? [pid 5056] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./49/cgroup.cpu") = 0 [pid 5005] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./49/binderfs") = 0 [pid 5005] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./49/cgroup") = 0 [pid 5005] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./49/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./49") = 0 [pid 5005] mkdir("./50", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5057 attached [pid 5057] chdir("./50") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 52 [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5057] setpgid(0, 0) = 0 [pid 5057] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5057] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5057] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1000", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5057] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5057] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5057] openat(3, "freezer.state", O_RDWR) = 4 [pid 5057] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5057] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5057] close(3) = 0 [pid 5057] close(4) = 0 [pid 5057] close(5) = -1 EBADF (Bad file descriptor) [pid 5057] close(6) = -1 EBADF (Bad file descriptor) [pid 5057] close(7) = -1 EBADF (Bad file descriptor) [pid 5057] close(8) = -1 EBADF (Bad file descriptor) [pid 5057] close(9) = -1 EBADF (Bad file descriptor) [pid 5057] close(10) = -1 EBADF (Bad file descriptor) [pid 5057] close(11) = -1 EBADF (Bad file descriptor) [pid 5057] close(12) = -1 EBADF (Bad file descriptor) [pid 5057] close(13) = -1 EBADF (Bad file descriptor) [pid 5057] close(14) = -1 EBADF (Bad file descriptor) [pid 5057] close(15) = -1 EBADF (Bad file descriptor) [pid 5057] close(16) = -1 EBADF (Bad file descriptor) [pid 5057] close(17) = -1 EBADF (Bad file descriptor) [pid 5057] close(18) = -1 EBADF (Bad file descriptor) [pid 5057] close(19) = -1 EBADF (Bad file descriptor) [pid 5057] close(20) = -1 EBADF (Bad file descriptor) [pid 5057] close(21) = -1 EBADF (Bad file descriptor) [pid 5057] close(22) = -1 EBADF (Bad file descriptor) [pid 5057] close(23) = -1 EBADF (Bad file descriptor) [pid 5057] close(24) = -1 EBADF (Bad file descriptor) [pid 5057] close(25) = -1 EBADF (Bad file descriptor) [pid 5057] close(26) = -1 EBADF (Bad file descriptor) [pid 5057] close(27) = -1 EBADF (Bad file descriptor) [pid 5057] close(28) = -1 EBADF (Bad file descriptor) [pid 5057] close(29) = -1 EBADF (Bad file descriptor) [pid 5057] exit_group(0) = ? [pid 5057] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./50/cgroup.cpu") = 0 [pid 5005] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./50/binderfs") = 0 [pid 5005] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./50/cgroup") = 0 [pid 5005] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./50/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./50") = 0 [pid 5005] mkdir("./51", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5058 attached [pid 5058] chdir("./51" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 53 [pid 5058] <... chdir resumed>) = 0 [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5058] setpgid(0, 0) = 0 [pid 5058] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5058] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5058] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "1000", 4) = 4 [pid 5058] close(3) = 0 [pid 5058] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5058] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5058] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5058] openat(3, "freezer.state", O_RDWR) = 4 [pid 5058] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5058] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5058] close(3) = 0 [pid 5058] close(4) = 0 [pid 5058] close(5) = -1 EBADF (Bad file descriptor) [pid 5058] close(6) = -1 EBADF (Bad file descriptor) [pid 5058] close(7) = -1 EBADF (Bad file descriptor) [pid 5058] close(8) = -1 EBADF (Bad file descriptor) [pid 5058] close(9) = -1 EBADF (Bad file descriptor) [pid 5058] close(10) = -1 EBADF (Bad file descriptor) [pid 5058] close(11) = -1 EBADF (Bad file descriptor) [pid 5058] close(12) = -1 EBADF (Bad file descriptor) [pid 5058] close(13) = -1 EBADF (Bad file descriptor) [pid 5058] close(14) = -1 EBADF (Bad file descriptor) [pid 5058] close(15) = -1 EBADF (Bad file descriptor) [pid 5058] close(16) = -1 EBADF (Bad file descriptor) [pid 5058] close(17) = -1 EBADF (Bad file descriptor) [pid 5058] close(18) = -1 EBADF (Bad file descriptor) [pid 5058] close(19) = -1 EBADF (Bad file descriptor) [pid 5058] close(20) = -1 EBADF (Bad file descriptor) [pid 5058] close(21) = -1 EBADF (Bad file descriptor) [pid 5058] close(22) = -1 EBADF (Bad file descriptor) [pid 5058] close(23) = -1 EBADF (Bad file descriptor) [pid 5058] close(24) = -1 EBADF (Bad file descriptor) [pid 5058] close(25) = -1 EBADF (Bad file descriptor) [pid 5058] close(26) = -1 EBADF (Bad file descriptor) [pid 5058] close(27) = -1 EBADF (Bad file descriptor) [pid 5058] close(28) = -1 EBADF (Bad file descriptor) [pid 5058] close(29) = -1 EBADF (Bad file descriptor) [pid 5058] exit_group(0) = ? [pid 5058] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./51/cgroup.cpu") = 0 [pid 5005] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./51/binderfs") = 0 [pid 5005] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./51/cgroup") = 0 [pid 5005] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./51/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./51") = 0 [pid 5005] mkdir("./52", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5059 attached [pid 5059] chdir("./52") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 54 [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5059] setpgid(0, 0) = 0 [pid 5059] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5059] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5059] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1000", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5059] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5059] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5059] openat(3, "freezer.state", O_RDWR) = 4 [pid 5059] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5059] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5059] close(3) = 0 [pid 5059] close(4) = 0 [pid 5059] close(5) = -1 EBADF (Bad file descriptor) [pid 5059] close(6) = -1 EBADF (Bad file descriptor) [pid 5059] close(7) = -1 EBADF (Bad file descriptor) [pid 5059] close(8) = -1 EBADF (Bad file descriptor) [pid 5059] close(9) = -1 EBADF (Bad file descriptor) [pid 5059] close(10) = -1 EBADF (Bad file descriptor) [pid 5059] close(11) = -1 EBADF (Bad file descriptor) [pid 5059] close(12) = -1 EBADF (Bad file descriptor) [pid 5059] close(13) = -1 EBADF (Bad file descriptor) [pid 5059] close(14) = -1 EBADF (Bad file descriptor) [pid 5059] close(15) = -1 EBADF (Bad file descriptor) [pid 5059] close(16) = -1 EBADF (Bad file descriptor) [pid 5059] close(17) = -1 EBADF (Bad file descriptor) [pid 5059] close(18) = -1 EBADF (Bad file descriptor) [pid 5059] close(19) = -1 EBADF (Bad file descriptor) [pid 5059] close(20) = -1 EBADF (Bad file descriptor) [pid 5059] close(21) = -1 EBADF (Bad file descriptor) [pid 5059] close(22) = -1 EBADF (Bad file descriptor) [pid 5059] close(23) = -1 EBADF (Bad file descriptor) [pid 5059] close(24) = -1 EBADF (Bad file descriptor) [pid 5059] close(25) = -1 EBADF (Bad file descriptor) [pid 5059] close(26) = -1 EBADF (Bad file descriptor) [pid 5059] close(27) = -1 EBADF (Bad file descriptor) [pid 5059] close(28) = -1 EBADF (Bad file descriptor) [pid 5059] close(29) = -1 EBADF (Bad file descriptor) [pid 5059] exit_group(0) = ? [pid 5059] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./52/cgroup.cpu") = 0 [pid 5005] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./52/binderfs") = 0 [pid 5005] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./52/cgroup") = 0 [pid 5005] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./52/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./52") = 0 [pid 5005] mkdir("./53", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5060 attached [pid 5060] chdir("./53" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 55 [pid 5060] <... chdir resumed>) = 0 [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] setpgid(0, 0) = 0 [pid 5060] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5060] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5060] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1000", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5060] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5060] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5060] openat(3, "freezer.state", O_RDWR) = 4 [pid 5060] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5060] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5060] close(3) = 0 [pid 5060] close(4) = 0 [pid 5060] close(5) = -1 EBADF (Bad file descriptor) [pid 5060] close(6) = -1 EBADF (Bad file descriptor) [pid 5060] close(7) = -1 EBADF (Bad file descriptor) [pid 5060] close(8) = -1 EBADF (Bad file descriptor) [pid 5060] close(9) = -1 EBADF (Bad file descriptor) [pid 5060] close(10) = -1 EBADF (Bad file descriptor) [pid 5060] close(11) = -1 EBADF (Bad file descriptor) [pid 5060] close(12) = -1 EBADF (Bad file descriptor) [pid 5060] close(13) = -1 EBADF (Bad file descriptor) [pid 5060] close(14) = -1 EBADF (Bad file descriptor) [pid 5060] close(15) = -1 EBADF (Bad file descriptor) [pid 5060] close(16) = -1 EBADF (Bad file descriptor) [pid 5060] close(17) = -1 EBADF (Bad file descriptor) [pid 5060] close(18) = -1 EBADF (Bad file descriptor) [pid 5060] close(19) = -1 EBADF (Bad file descriptor) [pid 5060] close(20) = -1 EBADF (Bad file descriptor) [pid 5060] close(21) = -1 EBADF (Bad file descriptor) [pid 5060] close(22) = -1 EBADF (Bad file descriptor) [pid 5060] close(23) = -1 EBADF (Bad file descriptor) [pid 5060] close(24) = -1 EBADF (Bad file descriptor) [pid 5060] close(25) = -1 EBADF (Bad file descriptor) [pid 5060] close(26) = -1 EBADF (Bad file descriptor) [pid 5060] close(27) = -1 EBADF (Bad file descriptor) [pid 5060] close(28) = -1 EBADF (Bad file descriptor) [pid 5060] close(29) = -1 EBADF (Bad file descriptor) [pid 5060] exit_group(0) = ? [pid 5060] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./53/cgroup.cpu") = 0 [pid 5005] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./53/binderfs") = 0 [pid 5005] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./53/cgroup") = 0 [pid 5005] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./53/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./53") = 0 [pid 5005] mkdir("./54", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5061 attached [pid 5061] chdir("./54") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 56 [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5061] setpgid(0, 0) = 0 [pid 5061] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5061] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5061] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1000", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5061] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5061] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5061] openat(3, "freezer.state", O_RDWR) = 4 [pid 5061] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5061] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5061] close(3) = 0 [pid 5061] close(4) = 0 [pid 5061] close(5) = -1 EBADF (Bad file descriptor) [pid 5061] close(6) = -1 EBADF (Bad file descriptor) [pid 5061] close(7) = -1 EBADF (Bad file descriptor) [pid 5061] close(8) = -1 EBADF (Bad file descriptor) [pid 5061] close(9) = -1 EBADF (Bad file descriptor) [pid 5061] close(10) = -1 EBADF (Bad file descriptor) [pid 5061] close(11) = -1 EBADF (Bad file descriptor) [pid 5061] close(12) = -1 EBADF (Bad file descriptor) [pid 5061] close(13) = -1 EBADF (Bad file descriptor) [pid 5061] close(14) = -1 EBADF (Bad file descriptor) [pid 5061] close(15) = -1 EBADF (Bad file descriptor) [pid 5061] close(16) = -1 EBADF (Bad file descriptor) [pid 5061] close(17) = -1 EBADF (Bad file descriptor) [pid 5061] close(18) = -1 EBADF (Bad file descriptor) [pid 5061] close(19) = -1 EBADF (Bad file descriptor) [pid 5061] close(20) = -1 EBADF (Bad file descriptor) [pid 5061] close(21) = -1 EBADF (Bad file descriptor) [pid 5061] close(22) = -1 EBADF (Bad file descriptor) [pid 5061] close(23) = -1 EBADF (Bad file descriptor) [pid 5061] close(24) = -1 EBADF (Bad file descriptor) [pid 5061] close(25) = -1 EBADF (Bad file descriptor) [pid 5061] close(26) = -1 EBADF (Bad file descriptor) [pid 5061] close(27) = -1 EBADF (Bad file descriptor) [pid 5061] close(28) = -1 EBADF (Bad file descriptor) [pid 5061] close(29) = -1 EBADF (Bad file descriptor) [pid 5061] exit_group(0) = ? [pid 5061] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./54/cgroup.cpu") = 0 [pid 5005] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./54/binderfs") = 0 [pid 5005] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./54/cgroup") = 0 [pid 5005] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./54/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./54") = 0 [pid 5005] mkdir("./55", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5062 attached [pid 5062] chdir("./55") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 57 [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] setpgid(0, 0) = 0 [pid 5062] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5062] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5062] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1000", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5062] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5062] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5062] openat(3, "freezer.state", O_RDWR) = 4 [pid 5062] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5062] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5062] close(3) = 0 [pid 5062] close(4) = 0 [pid 5062] close(5) = -1 EBADF (Bad file descriptor) [pid 5062] close(6) = -1 EBADF (Bad file descriptor) [pid 5062] close(7) = -1 EBADF (Bad file descriptor) [pid 5062] close(8) = -1 EBADF (Bad file descriptor) [pid 5062] close(9) = -1 EBADF (Bad file descriptor) [pid 5062] close(10) = -1 EBADF (Bad file descriptor) [pid 5062] close(11) = -1 EBADF (Bad file descriptor) [pid 5062] close(12) = -1 EBADF (Bad file descriptor) [pid 5062] close(13) = -1 EBADF (Bad file descriptor) [pid 5062] close(14) = -1 EBADF (Bad file descriptor) [pid 5062] close(15) = -1 EBADF (Bad file descriptor) [pid 5062] close(16) = -1 EBADF (Bad file descriptor) [pid 5062] close(17) = -1 EBADF (Bad file descriptor) [pid 5062] close(18) = -1 EBADF (Bad file descriptor) [pid 5062] close(19) = -1 EBADF (Bad file descriptor) [pid 5062] close(20) = -1 EBADF (Bad file descriptor) [pid 5062] close(21) = -1 EBADF (Bad file descriptor) [pid 5062] close(22) = -1 EBADF (Bad file descriptor) [pid 5062] close(23) = -1 EBADF (Bad file descriptor) [pid 5062] close(24) = -1 EBADF (Bad file descriptor) [pid 5062] close(25) = -1 EBADF (Bad file descriptor) [pid 5062] close(26) = -1 EBADF (Bad file descriptor) [pid 5062] close(27) = -1 EBADF (Bad file descriptor) [pid 5062] close(28) = -1 EBADF (Bad file descriptor) [pid 5062] close(29) = -1 EBADF (Bad file descriptor) [pid 5062] exit_group(0) = ? [pid 5062] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./55/cgroup.cpu") = 0 [pid 5005] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./55/binderfs") = 0 [pid 5005] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./55/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./55/cgroup") = 0 [pid 5005] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./55/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./55") = 0 [pid 5005] mkdir("./56", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5063 attached [pid 5063] chdir("./56") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 58 [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5063] setpgid(0, 0) = 0 [pid 5063] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5063] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5063] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1000", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5063] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5063] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5063] openat(3, "freezer.state", O_RDWR) = 4 [pid 5063] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5063] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5063] close(3) = 0 [pid 5063] close(4) = 0 [pid 5063] close(5) = -1 EBADF (Bad file descriptor) [pid 5063] close(6) = -1 EBADF (Bad file descriptor) [pid 5063] close(7) = -1 EBADF (Bad file descriptor) [pid 5063] close(8) = -1 EBADF (Bad file descriptor) [pid 5063] close(9) = -1 EBADF (Bad file descriptor) [pid 5063] close(10) = -1 EBADF (Bad file descriptor) [pid 5063] close(11) = -1 EBADF (Bad file descriptor) [pid 5063] close(12) = -1 EBADF (Bad file descriptor) [pid 5063] close(13) = -1 EBADF (Bad file descriptor) [pid 5063] close(14) = -1 EBADF (Bad file descriptor) [pid 5063] close(15) = -1 EBADF (Bad file descriptor) [pid 5063] close(16) = -1 EBADF (Bad file descriptor) [pid 5063] close(17) = -1 EBADF (Bad file descriptor) [pid 5063] close(18) = -1 EBADF (Bad file descriptor) [pid 5063] close(19) = -1 EBADF (Bad file descriptor) [pid 5063] close(20) = -1 EBADF (Bad file descriptor) [pid 5063] close(21) = -1 EBADF (Bad file descriptor) [pid 5063] close(22) = -1 EBADF (Bad file descriptor) [pid 5063] close(23) = -1 EBADF (Bad file descriptor) [pid 5063] close(24) = -1 EBADF (Bad file descriptor) [pid 5063] close(25) = -1 EBADF (Bad file descriptor) [pid 5063] close(26) = -1 EBADF (Bad file descriptor) [pid 5063] close(27) = -1 EBADF (Bad file descriptor) [pid 5063] close(28) = -1 EBADF (Bad file descriptor) [pid 5063] close(29) = -1 EBADF (Bad file descriptor) [pid 5063] exit_group(0) = ? [pid 5063] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./56/cgroup.cpu") = 0 [pid 5005] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./56/binderfs") = 0 [pid 5005] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./56/cgroup") = 0 [pid 5005] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./56/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./56") = 0 [pid 5005] mkdir("./57", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 59 ./strace-static-x86_64: Process 5064 attached [pid 5064] chdir("./57") = 0 [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5064] setpgid(0, 0) = 0 [pid 5064] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5064] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5064] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "1000", 4) = 4 [pid 5064] close(3) = 0 [pid 5064] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5064] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5064] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5064] openat(3, "freezer.state", O_RDWR) = 4 [pid 5064] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5064] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5064] close(3) = 0 [pid 5064] close(4) = 0 [pid 5064] close(5) = -1 EBADF (Bad file descriptor) [pid 5064] close(6) = -1 EBADF (Bad file descriptor) [pid 5064] close(7) = -1 EBADF (Bad file descriptor) [pid 5064] close(8) = -1 EBADF (Bad file descriptor) [pid 5064] close(9) = -1 EBADF (Bad file descriptor) [pid 5064] close(10) = -1 EBADF (Bad file descriptor) [pid 5064] close(11) = -1 EBADF (Bad file descriptor) [pid 5064] close(12) = -1 EBADF (Bad file descriptor) [pid 5064] close(13) = -1 EBADF (Bad file descriptor) [pid 5064] close(14) = -1 EBADF (Bad file descriptor) [pid 5064] close(15) = -1 EBADF (Bad file descriptor) [pid 5064] close(16) = -1 EBADF (Bad file descriptor) [pid 5064] close(17) = -1 EBADF (Bad file descriptor) [pid 5064] close(18) = -1 EBADF (Bad file descriptor) [pid 5064] close(19) = -1 EBADF (Bad file descriptor) [pid 5064] close(20) = -1 EBADF (Bad file descriptor) [pid 5064] close(21) = -1 EBADF (Bad file descriptor) [pid 5064] close(22) = -1 EBADF (Bad file descriptor) [pid 5064] close(23) = -1 EBADF (Bad file descriptor) [pid 5064] close(24) = -1 EBADF (Bad file descriptor) [pid 5064] close(25) = -1 EBADF (Bad file descriptor) [pid 5064] close(26) = -1 EBADF (Bad file descriptor) [pid 5064] close(27) = -1 EBADF (Bad file descriptor) [pid 5064] close(28) = -1 EBADF (Bad file descriptor) [pid 5064] close(29) = -1 EBADF (Bad file descriptor) [pid 5064] exit_group(0) = ? [pid 5064] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./57/cgroup.cpu") = 0 [pid 5005] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./57/binderfs") = 0 [pid 5005] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./57/cgroup") = 0 [pid 5005] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./57/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./57") = 0 [pid 5005] mkdir("./58", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5065 attached , child_tidptr=0x5555570a35d0) = 60 [pid 5065] chdir("./58") = 0 [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5065] setpgid(0, 0) = 0 [pid 5065] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5065] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5065] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "1000", 4) = 4 [pid 5065] close(3) = 0 [pid 5065] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5065] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5065] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5065] openat(3, "freezer.state", O_RDWR) = 4 [pid 5065] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5065] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5065] close(3) = 0 [pid 5065] close(4) = 0 [pid 5065] close(5) = -1 EBADF (Bad file descriptor) [pid 5065] close(6) = -1 EBADF (Bad file descriptor) [pid 5065] close(7) = -1 EBADF (Bad file descriptor) [pid 5065] close(8) = -1 EBADF (Bad file descriptor) [pid 5065] close(9) = -1 EBADF (Bad file descriptor) [pid 5065] close(10) = -1 EBADF (Bad file descriptor) [pid 5065] close(11) = -1 EBADF (Bad file descriptor) [pid 5065] close(12) = -1 EBADF (Bad file descriptor) [pid 5065] close(13) = -1 EBADF (Bad file descriptor) [pid 5065] close(14) = -1 EBADF (Bad file descriptor) [pid 5065] close(15) = -1 EBADF (Bad file descriptor) [pid 5065] close(16) = -1 EBADF (Bad file descriptor) [pid 5065] close(17) = -1 EBADF (Bad file descriptor) [pid 5065] close(18) = -1 EBADF (Bad file descriptor) [pid 5065] close(19) = -1 EBADF (Bad file descriptor) [pid 5065] close(20) = -1 EBADF (Bad file descriptor) [pid 5065] close(21) = -1 EBADF (Bad file descriptor) [pid 5065] close(22) = -1 EBADF (Bad file descriptor) [pid 5065] close(23) = -1 EBADF (Bad file descriptor) [pid 5065] close(24) = -1 EBADF (Bad file descriptor) [pid 5065] close(25) = -1 EBADF (Bad file descriptor) [pid 5065] close(26) = -1 EBADF (Bad file descriptor) [pid 5065] close(27) = -1 EBADF (Bad file descriptor) [pid 5065] close(28) = -1 EBADF (Bad file descriptor) [pid 5065] close(29) = -1 EBADF (Bad file descriptor) [pid 5065] exit_group(0) = ? [pid 5065] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./58/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./58/cgroup.cpu") = 0 [pid 5005] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./58/binderfs") = 0 [pid 5005] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./58/cgroup") = 0 [pid 5005] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./58/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./58") = 0 [pid 5005] mkdir("./59", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5066 attached , child_tidptr=0x5555570a35d0) = 61 [pid 5066] chdir("./59") = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setpgid(0, 0) = 0 [pid 5066] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5066] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5066] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1000", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5066] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5066] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5066] openat(3, "freezer.state", O_RDWR) = 4 [pid 5066] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5066] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5066] close(3) = 0 [pid 5066] close(4) = 0 [pid 5066] close(5) = -1 EBADF (Bad file descriptor) [pid 5066] close(6) = -1 EBADF (Bad file descriptor) [pid 5066] close(7) = -1 EBADF (Bad file descriptor) [pid 5066] close(8) = -1 EBADF (Bad file descriptor) [pid 5066] close(9) = -1 EBADF (Bad file descriptor) [pid 5066] close(10) = -1 EBADF (Bad file descriptor) [pid 5066] close(11) = -1 EBADF (Bad file descriptor) [pid 5066] close(12) = -1 EBADF (Bad file descriptor) [pid 5066] close(13) = -1 EBADF (Bad file descriptor) [pid 5066] close(14) = -1 EBADF (Bad file descriptor) [pid 5066] close(15) = -1 EBADF (Bad file descriptor) [pid 5066] close(16) = -1 EBADF (Bad file descriptor) [pid 5066] close(17) = -1 EBADF (Bad file descriptor) [pid 5066] close(18) = -1 EBADF (Bad file descriptor) [pid 5066] close(19) = -1 EBADF (Bad file descriptor) [pid 5066] close(20) = -1 EBADF (Bad file descriptor) [pid 5066] close(21) = -1 EBADF (Bad file descriptor) [pid 5066] close(22) = -1 EBADF (Bad file descriptor) [pid 5066] close(23) = -1 EBADF (Bad file descriptor) [pid 5066] close(24) = -1 EBADF (Bad file descriptor) [pid 5066] close(25) = -1 EBADF (Bad file descriptor) [pid 5066] close(26) = -1 EBADF (Bad file descriptor) [pid 5066] close(27) = -1 EBADF (Bad file descriptor) [pid 5066] close(28) = -1 EBADF (Bad file descriptor) [pid 5066] close(29) = -1 EBADF (Bad file descriptor) [pid 5066] exit_group(0) = ? [pid 5066] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./59/cgroup.cpu") = 0 [pid 5005] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./59/binderfs") = 0 [pid 5005] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./59/cgroup") = 0 [pid 5005] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./59/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./59") = 0 [pid 5005] mkdir("./60", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached [pid 5067] chdir("./60") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 62 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setpgid(0, 0) = 0 [pid 5067] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5067] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5067] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1000", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5067] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5067] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5067] openat(3, "freezer.state", O_RDWR) = 4 [pid 5067] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5067] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5067] close(3) = 0 [pid 5067] close(4) = 0 [pid 5067] close(5) = -1 EBADF (Bad file descriptor) [pid 5067] close(6) = -1 EBADF (Bad file descriptor) [pid 5067] close(7) = -1 EBADF (Bad file descriptor) [pid 5067] close(8) = -1 EBADF (Bad file descriptor) [pid 5067] close(9) = -1 EBADF (Bad file descriptor) [pid 5067] close(10) = -1 EBADF (Bad file descriptor) [pid 5067] close(11) = -1 EBADF (Bad file descriptor) [pid 5067] close(12) = -1 EBADF (Bad file descriptor) [pid 5067] close(13) = -1 EBADF (Bad file descriptor) [pid 5067] close(14) = -1 EBADF (Bad file descriptor) [pid 5067] close(15) = -1 EBADF (Bad file descriptor) [pid 5067] close(16) = -1 EBADF (Bad file descriptor) [pid 5067] close(17) = -1 EBADF (Bad file descriptor) [pid 5067] close(18) = -1 EBADF (Bad file descriptor) [pid 5067] close(19) = -1 EBADF (Bad file descriptor) [pid 5067] close(20) = -1 EBADF (Bad file descriptor) [pid 5067] close(21) = -1 EBADF (Bad file descriptor) [pid 5067] close(22) = -1 EBADF (Bad file descriptor) [pid 5067] close(23) = -1 EBADF (Bad file descriptor) [pid 5067] close(24) = -1 EBADF (Bad file descriptor) [pid 5067] close(25) = -1 EBADF (Bad file descriptor) [pid 5067] close(26) = -1 EBADF (Bad file descriptor) [pid 5067] close(27) = -1 EBADF (Bad file descriptor) [pid 5067] close(28) = -1 EBADF (Bad file descriptor) [pid 5067] close(29) = -1 EBADF (Bad file descriptor) [pid 5067] exit_group(0) = ? [pid 5067] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./60/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./60/cgroup.cpu") = 0 [pid 5005] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./60/binderfs") = 0 [pid 5005] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./60/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./60/cgroup") = 0 [pid 5005] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./60/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./60/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./60") = 0 [pid 5005] mkdir("./61", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached [pid 5068] chdir("./61") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 63 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setpgid(0, 0) = 0 [pid 5068] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5068] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5068] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1000", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5068] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5068] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5068] openat(3, "freezer.state", O_RDWR) = 4 [pid 5068] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5068] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5068] close(3) = 0 [pid 5068] close(4) = 0 [pid 5068] close(5) = -1 EBADF (Bad file descriptor) [pid 5068] close(6) = -1 EBADF (Bad file descriptor) [pid 5068] close(7) = -1 EBADF (Bad file descriptor) [pid 5068] close(8) = -1 EBADF (Bad file descriptor) [pid 5068] close(9) = -1 EBADF (Bad file descriptor) [pid 5068] close(10) = -1 EBADF (Bad file descriptor) [pid 5068] close(11) = -1 EBADF (Bad file descriptor) [pid 5068] close(12) = -1 EBADF (Bad file descriptor) [pid 5068] close(13) = -1 EBADF (Bad file descriptor) [pid 5068] close(14) = -1 EBADF (Bad file descriptor) [pid 5068] close(15) = -1 EBADF (Bad file descriptor) [pid 5068] close(16) = -1 EBADF (Bad file descriptor) [pid 5068] close(17) = -1 EBADF (Bad file descriptor) [pid 5068] close(18) = -1 EBADF (Bad file descriptor) [pid 5068] close(19) = -1 EBADF (Bad file descriptor) [pid 5068] close(20) = -1 EBADF (Bad file descriptor) [pid 5068] close(21) = -1 EBADF (Bad file descriptor) [pid 5068] close(22) = -1 EBADF (Bad file descriptor) [pid 5068] close(23) = -1 EBADF (Bad file descriptor) [pid 5068] close(24) = -1 EBADF (Bad file descriptor) [pid 5068] close(25) = -1 EBADF (Bad file descriptor) [pid 5068] close(26) = -1 EBADF (Bad file descriptor) [pid 5068] close(27) = -1 EBADF (Bad file descriptor) [pid 5068] close(28) = -1 EBADF (Bad file descriptor) [pid 5068] close(29) = -1 EBADF (Bad file descriptor) [pid 5068] exit_group(0) = ? [pid 5068] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./61/cgroup.cpu") = 0 [pid 5005] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./61/binderfs") = 0 [pid 5005] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./61/cgroup") = 0 [pid 5005] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./61/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./61") = 0 [pid 5005] mkdir("./62", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached [pid 5069] chdir("./62" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 64 [pid 5069] <... chdir resumed>) = 0 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setpgid(0, 0) = 0 [pid 5069] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5069] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5069] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1000", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5069] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5069] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5069] openat(3, "freezer.state", O_RDWR) = 4 [pid 5069] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5069] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5069] close(3) = 0 [pid 5069] close(4) = 0 [pid 5069] close(5) = -1 EBADF (Bad file descriptor) [pid 5069] close(6) = -1 EBADF (Bad file descriptor) [pid 5069] close(7) = -1 EBADF (Bad file descriptor) [pid 5069] close(8) = -1 EBADF (Bad file descriptor) [pid 5069] close(9) = -1 EBADF (Bad file descriptor) [pid 5069] close(10) = -1 EBADF (Bad file descriptor) [pid 5069] close(11) = -1 EBADF (Bad file descriptor) [pid 5069] close(12) = -1 EBADF (Bad file descriptor) [pid 5069] close(13) = -1 EBADF (Bad file descriptor) [pid 5069] close(14) = -1 EBADF (Bad file descriptor) [pid 5069] close(15) = -1 EBADF (Bad file descriptor) [pid 5069] close(16) = -1 EBADF (Bad file descriptor) [pid 5069] close(17) = -1 EBADF (Bad file descriptor) [pid 5069] close(18) = -1 EBADF (Bad file descriptor) [pid 5069] close(19) = -1 EBADF (Bad file descriptor) [pid 5069] close(20) = -1 EBADF (Bad file descriptor) [pid 5069] close(21) = -1 EBADF (Bad file descriptor) [pid 5069] close(22) = -1 EBADF (Bad file descriptor) [pid 5069] close(23) = -1 EBADF (Bad file descriptor) [pid 5069] close(24) = -1 EBADF (Bad file descriptor) [pid 5069] close(25) = -1 EBADF (Bad file descriptor) [pid 5069] close(26) = -1 EBADF (Bad file descriptor) [pid 5069] close(27) = -1 EBADF (Bad file descriptor) [pid 5069] close(28) = -1 EBADF (Bad file descriptor) [pid 5069] close(29) = -1 EBADF (Bad file descriptor) [pid 5069] exit_group(0) = ? [pid 5069] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./62/cgroup.cpu") = 0 [pid 5005] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./62/binderfs") = 0 [pid 5005] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./62/cgroup") = 0 [pid 5005] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./62/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./62") = 0 [pid 5005] mkdir("./63", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached [pid 5070] chdir("./63") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 65 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5070] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5070] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5070] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5070] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5070] openat(3, "freezer.state", O_RDWR) = 4 [pid 5070] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5070] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5070] close(3) = 0 [pid 5070] close(4) = 0 [pid 5070] close(5) = -1 EBADF (Bad file descriptor) [pid 5070] close(6) = -1 EBADF (Bad file descriptor) [pid 5070] close(7) = -1 EBADF (Bad file descriptor) [pid 5070] close(8) = -1 EBADF (Bad file descriptor) [pid 5070] close(9) = -1 EBADF (Bad file descriptor) [pid 5070] close(10) = -1 EBADF (Bad file descriptor) [pid 5070] close(11) = -1 EBADF (Bad file descriptor) [pid 5070] close(12) = -1 EBADF (Bad file descriptor) [pid 5070] close(13) = -1 EBADF (Bad file descriptor) [pid 5070] close(14) = -1 EBADF (Bad file descriptor) [pid 5070] close(15) = -1 EBADF (Bad file descriptor) [pid 5070] close(16) = -1 EBADF (Bad file descriptor) [pid 5070] close(17) = -1 EBADF (Bad file descriptor) [pid 5070] close(18) = -1 EBADF (Bad file descriptor) [pid 5070] close(19) = -1 EBADF (Bad file descriptor) [pid 5070] close(20) = -1 EBADF (Bad file descriptor) [pid 5070] close(21) = -1 EBADF (Bad file descriptor) [pid 5070] close(22) = -1 EBADF (Bad file descriptor) [pid 5070] close(23) = -1 EBADF (Bad file descriptor) [pid 5070] close(24) = -1 EBADF (Bad file descriptor) [pid 5070] close(25) = -1 EBADF (Bad file descriptor) [pid 5070] close(26) = -1 EBADF (Bad file descriptor) [pid 5070] close(27) = -1 EBADF (Bad file descriptor) [pid 5070] close(28) = -1 EBADF (Bad file descriptor) [pid 5070] close(29) = -1 EBADF (Bad file descriptor) [pid 5070] exit_group(0) = ? [pid 5070] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./63/cgroup.cpu") = 0 [pid 5005] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./63/binderfs") = 0 [pid 5005] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./63/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./63/cgroup") = 0 [pid 5005] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./63/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./63") = 0 [pid 5005] mkdir("./64", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5071 attached [pid 5071] chdir("./64") = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 66 [pid 5071] <... setpgid resumed>) = 0 [pid 5071] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5071] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5071] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5071] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5071] openat(3, "freezer.state", O_RDWR) = 4 [pid 5071] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5071] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5071] close(3) = 0 [pid 5071] close(4) = 0 [pid 5071] close(5) = -1 EBADF (Bad file descriptor) [pid 5071] close(6) = -1 EBADF (Bad file descriptor) [pid 5071] close(7) = -1 EBADF (Bad file descriptor) [pid 5071] close(8) = -1 EBADF (Bad file descriptor) [pid 5071] close(9) = -1 EBADF (Bad file descriptor) [pid 5071] close(10) = -1 EBADF (Bad file descriptor) [pid 5071] close(11) = -1 EBADF (Bad file descriptor) [pid 5071] close(12) = -1 EBADF (Bad file descriptor) [pid 5071] close(13) = -1 EBADF (Bad file descriptor) [pid 5071] close(14) = -1 EBADF (Bad file descriptor) [pid 5071] close(15) = -1 EBADF (Bad file descriptor) [pid 5071] close(16) = -1 EBADF (Bad file descriptor) [pid 5071] close(17) = -1 EBADF (Bad file descriptor) [pid 5071] close(18) = -1 EBADF (Bad file descriptor) [pid 5071] close(19) = -1 EBADF (Bad file descriptor) [pid 5071] close(20) = -1 EBADF (Bad file descriptor) [pid 5071] close(21) = -1 EBADF (Bad file descriptor) [pid 5071] close(22) = -1 EBADF (Bad file descriptor) [pid 5071] close(23) = -1 EBADF (Bad file descriptor) [pid 5071] close(24) = -1 EBADF (Bad file descriptor) [pid 5071] close(25) = -1 EBADF (Bad file descriptor) [pid 5071] close(26) = -1 EBADF (Bad file descriptor) [pid 5071] close(27) = -1 EBADF (Bad file descriptor) [pid 5071] close(28) = -1 EBADF (Bad file descriptor) [pid 5071] close(29) = -1 EBADF (Bad file descriptor) [pid 5071] exit_group(0) = ? [pid 5071] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./64/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./64/cgroup.cpu") = 0 [pid 5005] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./64/binderfs") = 0 [pid 5005] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./64/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./64/cgroup") = 0 [pid 5005] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./64/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./64/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./64") = 0 [pid 5005] mkdir("./65", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached [pid 5072] chdir("./65") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 67 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5072] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5072] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5072] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5072] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5072] openat(3, "freezer.state", O_RDWR) = 4 [pid 5072] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5072] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5072] close(3) = 0 [pid 5072] close(4) = 0 [pid 5072] close(5) = -1 EBADF (Bad file descriptor) [pid 5072] close(6) = -1 EBADF (Bad file descriptor) [pid 5072] close(7) = -1 EBADF (Bad file descriptor) [pid 5072] close(8) = -1 EBADF (Bad file descriptor) [pid 5072] close(9) = -1 EBADF (Bad file descriptor) [pid 5072] close(10) = -1 EBADF (Bad file descriptor) [pid 5072] close(11) = -1 EBADF (Bad file descriptor) [pid 5072] close(12) = -1 EBADF (Bad file descriptor) [pid 5072] close(13) = -1 EBADF (Bad file descriptor) [pid 5072] close(14) = -1 EBADF (Bad file descriptor) [pid 5072] close(15) = -1 EBADF (Bad file descriptor) [pid 5072] close(16) = -1 EBADF (Bad file descriptor) [pid 5072] close(17) = -1 EBADF (Bad file descriptor) [pid 5072] close(18) = -1 EBADF (Bad file descriptor) [pid 5072] close(19) = -1 EBADF (Bad file descriptor) [pid 5072] close(20) = -1 EBADF (Bad file descriptor) [pid 5072] close(21) = -1 EBADF (Bad file descriptor) [pid 5072] close(22) = -1 EBADF (Bad file descriptor) [pid 5072] close(23) = -1 EBADF (Bad file descriptor) [pid 5072] close(24) = -1 EBADF (Bad file descriptor) [pid 5072] close(25) = -1 EBADF (Bad file descriptor) [pid 5072] close(26) = -1 EBADF (Bad file descriptor) [pid 5072] close(27) = -1 EBADF (Bad file descriptor) [pid 5072] close(28) = -1 EBADF (Bad file descriptor) [pid 5072] close(29) = -1 EBADF (Bad file descriptor) [pid 5072] exit_group(0) = ? [pid 5072] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./65/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./65/cgroup.cpu") = 0 [pid 5005] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./65/binderfs") = 0 [pid 5005] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./65/cgroup") = 0 [pid 5005] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./65/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./65/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./65") = 0 [pid 5005] mkdir("./66", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached [pid 5073] chdir("./66") = 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 68 [pid 5073] setpgid(0, 0) = 0 [pid 5073] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5073] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5073] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1000", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5073] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5073] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5073] openat(3, "freezer.state", O_RDWR) = 4 [pid 5073] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5073] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5073] close(3) = 0 [pid 5073] close(4) = 0 [pid 5073] close(5) = -1 EBADF (Bad file descriptor) [pid 5073] close(6) = -1 EBADF (Bad file descriptor) [pid 5073] close(7) = -1 EBADF (Bad file descriptor) [pid 5073] close(8) = -1 EBADF (Bad file descriptor) [pid 5073] close(9) = -1 EBADF (Bad file descriptor) [pid 5073] close(10) = -1 EBADF (Bad file descriptor) [pid 5073] close(11) = -1 EBADF (Bad file descriptor) [pid 5073] close(12) = -1 EBADF (Bad file descriptor) [pid 5073] close(13) = -1 EBADF (Bad file descriptor) [pid 5073] close(14) = -1 EBADF (Bad file descriptor) [pid 5073] close(15) = -1 EBADF (Bad file descriptor) [pid 5073] close(16) = -1 EBADF (Bad file descriptor) [pid 5073] close(17) = -1 EBADF (Bad file descriptor) [pid 5073] close(18) = -1 EBADF (Bad file descriptor) [pid 5073] close(19) = -1 EBADF (Bad file descriptor) [pid 5073] close(20) = -1 EBADF (Bad file descriptor) [pid 5073] close(21) = -1 EBADF (Bad file descriptor) [pid 5073] close(22) = -1 EBADF (Bad file descriptor) [pid 5073] close(23) = -1 EBADF (Bad file descriptor) [pid 5073] close(24) = -1 EBADF (Bad file descriptor) [pid 5073] close(25) = -1 EBADF (Bad file descriptor) [pid 5073] close(26) = -1 EBADF (Bad file descriptor) [pid 5073] close(27) = -1 EBADF (Bad file descriptor) [pid 5073] close(28) = -1 EBADF (Bad file descriptor) [pid 5073] close(29) = -1 EBADF (Bad file descriptor) [pid 5073] exit_group(0) = ? [pid 5073] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./66/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./66/cgroup.cpu") = 0 [pid 5005] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./66/binderfs") = 0 [pid 5005] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./66/cgroup") = 0 [pid 5005] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./66/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./66/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./66") = 0 [pid 5005] mkdir("./67", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached [pid 5074] chdir("./67") = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 69 [pid 5074] <... symlink resumed>) = 0 [pid 5074] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5074] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5074] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5074] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5074] openat(3, "freezer.state", O_RDWR) = 4 [pid 5074] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5074] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5074] close(3) = 0 [pid 5074] close(4) = 0 [pid 5074] close(5) = -1 EBADF (Bad file descriptor) [pid 5074] close(6) = -1 EBADF (Bad file descriptor) [pid 5074] close(7) = -1 EBADF (Bad file descriptor) [pid 5074] close(8) = -1 EBADF (Bad file descriptor) [pid 5074] close(9) = -1 EBADF (Bad file descriptor) [pid 5074] close(10) = -1 EBADF (Bad file descriptor) [pid 5074] close(11) = -1 EBADF (Bad file descriptor) [pid 5074] close(12) = -1 EBADF (Bad file descriptor) [pid 5074] close(13) = -1 EBADF (Bad file descriptor) [pid 5074] close(14) = -1 EBADF (Bad file descriptor) [pid 5074] close(15) = -1 EBADF (Bad file descriptor) [pid 5074] close(16) = -1 EBADF (Bad file descriptor) [pid 5074] close(17) = -1 EBADF (Bad file descriptor) [pid 5074] close(18) = -1 EBADF (Bad file descriptor) [pid 5074] close(19) = -1 EBADF (Bad file descriptor) [pid 5074] close(20) = -1 EBADF (Bad file descriptor) [pid 5074] close(21) = -1 EBADF (Bad file descriptor) [pid 5074] close(22) = -1 EBADF (Bad file descriptor) [pid 5074] close(23) = -1 EBADF (Bad file descriptor) [pid 5074] close(24) = -1 EBADF (Bad file descriptor) [pid 5074] close(25) = -1 EBADF (Bad file descriptor) [pid 5074] close(26) = -1 EBADF (Bad file descriptor) [pid 5074] close(27) = -1 EBADF (Bad file descriptor) [pid 5074] close(28) = -1 EBADF (Bad file descriptor) [pid 5074] close(29) = -1 EBADF (Bad file descriptor) [pid 5074] exit_group(0) = ? [pid 5074] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./67/cgroup.cpu") = 0 [pid 5005] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./67/binderfs") = 0 [pid 5005] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./67/cgroup") = 0 [pid 5005] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./67/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./67/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./67") = 0 [pid 5005] mkdir("./68", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 70 ./strace-static-x86_64: Process 5075 attached [pid 5075] chdir("./68") = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5075] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5075] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5075] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5075] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5075] openat(3, "freezer.state", O_RDWR) = 4 [pid 5075] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5075] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5075] close(3) = 0 [pid 5075] close(4) = 0 [pid 5075] close(5) = -1 EBADF (Bad file descriptor) [pid 5075] close(6) = -1 EBADF (Bad file descriptor) [pid 5075] close(7) = -1 EBADF (Bad file descriptor) [pid 5075] close(8) = -1 EBADF (Bad file descriptor) [pid 5075] close(9) = -1 EBADF (Bad file descriptor) [pid 5075] close(10) = -1 EBADF (Bad file descriptor) [pid 5075] close(11) = -1 EBADF (Bad file descriptor) [pid 5075] close(12) = -1 EBADF (Bad file descriptor) [pid 5075] close(13) = -1 EBADF (Bad file descriptor) [pid 5075] close(14) = -1 EBADF (Bad file descriptor) [pid 5075] close(15) = -1 EBADF (Bad file descriptor) [pid 5075] close(16) = -1 EBADF (Bad file descriptor) [pid 5075] close(17) = -1 EBADF (Bad file descriptor) [pid 5075] close(18) = -1 EBADF (Bad file descriptor) [pid 5075] close(19) = -1 EBADF (Bad file descriptor) [pid 5075] close(20) = -1 EBADF (Bad file descriptor) [pid 5075] close(21) = -1 EBADF (Bad file descriptor) [pid 5075] close(22) = -1 EBADF (Bad file descriptor) [pid 5075] close(23) = -1 EBADF (Bad file descriptor) [pid 5075] close(24) = -1 EBADF (Bad file descriptor) [pid 5075] close(25) = -1 EBADF (Bad file descriptor) [pid 5075] close(26) = -1 EBADF (Bad file descriptor) [pid 5075] close(27) = -1 EBADF (Bad file descriptor) [pid 5075] close(28) = -1 EBADF (Bad file descriptor) [pid 5075] close(29) = -1 EBADF (Bad file descriptor) [pid 5075] exit_group(0) = ? [pid 5075] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./68/cgroup.cpu") = 0 [pid 5005] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./68/binderfs") = 0 [pid 5005] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./68/cgroup") = 0 [pid 5005] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./68/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./68") = 0 [pid 5005] mkdir("./69", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 71 ./strace-static-x86_64: Process 5076 attached [pid 5076] chdir("./69") = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5076] setpgid(0, 0) = 0 [pid 5076] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5076] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5076] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5076] write(3, "1000", 4) = 4 [pid 5076] close(3) = 0 [pid 5076] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5076] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5076] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5076] openat(3, "freezer.state", O_RDWR) = 4 [pid 5076] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5076] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5076] close(3) = 0 [pid 5076] close(4) = 0 [pid 5076] close(5) = -1 EBADF (Bad file descriptor) [pid 5076] close(6) = -1 EBADF (Bad file descriptor) [pid 5076] close(7) = -1 EBADF (Bad file descriptor) [pid 5076] close(8) = -1 EBADF (Bad file descriptor) [pid 5076] close(9) = -1 EBADF (Bad file descriptor) [pid 5076] close(10) = -1 EBADF (Bad file descriptor) [pid 5076] close(11) = -1 EBADF (Bad file descriptor) [pid 5076] close(12) = -1 EBADF (Bad file descriptor) [pid 5076] close(13) = -1 EBADF (Bad file descriptor) [pid 5076] close(14) = -1 EBADF (Bad file descriptor) [pid 5076] close(15) = -1 EBADF (Bad file descriptor) [pid 5076] close(16) = -1 EBADF (Bad file descriptor) [pid 5076] close(17) = -1 EBADF (Bad file descriptor) [pid 5076] close(18) = -1 EBADF (Bad file descriptor) [pid 5076] close(19) = -1 EBADF (Bad file descriptor) [pid 5076] close(20) = -1 EBADF (Bad file descriptor) [pid 5076] close(21) = -1 EBADF (Bad file descriptor) [pid 5076] close(22) = -1 EBADF (Bad file descriptor) [pid 5076] close(23) = -1 EBADF (Bad file descriptor) [pid 5076] close(24) = -1 EBADF (Bad file descriptor) [pid 5076] close(25) = -1 EBADF (Bad file descriptor) [pid 5076] close(26) = -1 EBADF (Bad file descriptor) [pid 5076] close(27) = -1 EBADF (Bad file descriptor) [pid 5076] close(28) = -1 EBADF (Bad file descriptor) [pid 5076] close(29) = -1 EBADF (Bad file descriptor) [pid 5076] exit_group(0) = ? [pid 5076] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./69/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./69/cgroup.cpu") = 0 [pid 5005] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./69/binderfs") = 0 [pid 5005] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./69/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./69/cgroup") = 0 [pid 5005] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./69/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./69/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./69") = 0 [pid 5005] mkdir("./70", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 72 ./strace-static-x86_64: Process 5077 attached [pid 5077] chdir("./70") = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setpgid(0, 0) = 0 [pid 5077] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5077] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5077] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1000", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5077] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5077] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5077] openat(3, "freezer.state", O_RDWR) = 4 [pid 5077] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5077] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5077] close(3) = 0 [pid 5077] close(4) = 0 [pid 5077] close(5) = -1 EBADF (Bad file descriptor) [pid 5077] close(6) = -1 EBADF (Bad file descriptor) [pid 5077] close(7) = -1 EBADF (Bad file descriptor) [pid 5077] close(8) = -1 EBADF (Bad file descriptor) [pid 5077] close(9) = -1 EBADF (Bad file descriptor) [pid 5077] close(10) = -1 EBADF (Bad file descriptor) [pid 5077] close(11) = -1 EBADF (Bad file descriptor) [pid 5077] close(12) = -1 EBADF (Bad file descriptor) [pid 5077] close(13) = -1 EBADF (Bad file descriptor) [pid 5077] close(14) = -1 EBADF (Bad file descriptor) [pid 5077] close(15) = -1 EBADF (Bad file descriptor) [pid 5077] close(16) = -1 EBADF (Bad file descriptor) [pid 5077] close(17) = -1 EBADF (Bad file descriptor) [pid 5077] close(18) = -1 EBADF (Bad file descriptor) [pid 5077] close(19) = -1 EBADF (Bad file descriptor) [pid 5077] close(20) = -1 EBADF (Bad file descriptor) [pid 5077] close(21) = -1 EBADF (Bad file descriptor) [pid 5077] close(22) = -1 EBADF (Bad file descriptor) [pid 5077] close(23) = -1 EBADF (Bad file descriptor) [pid 5077] close(24) = -1 EBADF (Bad file descriptor) [pid 5077] close(25) = -1 EBADF (Bad file descriptor) [pid 5077] close(26) = -1 EBADF (Bad file descriptor) [pid 5077] close(27) = -1 EBADF (Bad file descriptor) [pid 5077] close(28) = -1 EBADF (Bad file descriptor) [pid 5077] close(29) = -1 EBADF (Bad file descriptor) [pid 5077] exit_group(0) = ? [pid 5077] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./70/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./70/cgroup.cpu") = 0 [pid 5005] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./70/binderfs") = 0 [pid 5005] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./70/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./70/cgroup") = 0 [pid 5005] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./70/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./70/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./70") = 0 [pid 5005] mkdir("./71", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5078 attached [pid 5078] chdir("./71" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 73 [pid 5078] <... chdir resumed>) = 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5078] setpgid(0, 0) = 0 [pid 5078] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5078] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5078] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1000", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5078] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5078] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5078] openat(3, "freezer.state", O_RDWR) = 4 [pid 5078] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5078] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5078] close(3) = 0 [pid 5078] close(4) = 0 [pid 5078] close(5) = -1 EBADF (Bad file descriptor) [pid 5078] close(6) = -1 EBADF (Bad file descriptor) [pid 5078] close(7) = -1 EBADF (Bad file descriptor) [pid 5078] close(8) = -1 EBADF (Bad file descriptor) [pid 5078] close(9) = -1 EBADF (Bad file descriptor) [pid 5078] close(10) = -1 EBADF (Bad file descriptor) [pid 5078] close(11) = -1 EBADF (Bad file descriptor) [pid 5078] close(12) = -1 EBADF (Bad file descriptor) [pid 5078] close(13) = -1 EBADF (Bad file descriptor) [pid 5078] close(14) = -1 EBADF (Bad file descriptor) [pid 5078] close(15) = -1 EBADF (Bad file descriptor) [pid 5078] close(16) = -1 EBADF (Bad file descriptor) [pid 5078] close(17) = -1 EBADF (Bad file descriptor) [pid 5078] close(18) = -1 EBADF (Bad file descriptor) [pid 5078] close(19) = -1 EBADF (Bad file descriptor) [pid 5078] close(20) = -1 EBADF (Bad file descriptor) [pid 5078] close(21) = -1 EBADF (Bad file descriptor) [pid 5078] close(22) = -1 EBADF (Bad file descriptor) [pid 5078] close(23) = -1 EBADF (Bad file descriptor) [pid 5078] close(24) = -1 EBADF (Bad file descriptor) [pid 5078] close(25) = -1 EBADF (Bad file descriptor) [pid 5078] close(26) = -1 EBADF (Bad file descriptor) [pid 5078] close(27) = -1 EBADF (Bad file descriptor) [pid 5078] close(28) = -1 EBADF (Bad file descriptor) [pid 5078] close(29) = -1 EBADF (Bad file descriptor) [pid 5078] exit_group(0) = ? [pid 5078] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./71/cgroup.cpu") = 0 [pid 5005] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./71/binderfs") = 0 [pid 5005] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./71/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./71/cgroup") = 0 [pid 5005] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./71/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./71/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./71") = 0 [pid 5005] mkdir("./72", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached , child_tidptr=0x5555570a35d0) = 74 [pid 5079] chdir("./72") = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] setpgid(0, 0) = 0 [pid 5079] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5079] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5079] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1000", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5079] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5079] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5079] openat(3, "freezer.state", O_RDWR) = 4 [pid 5079] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5079] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5079] close(3) = 0 [pid 5079] close(4) = 0 [pid 5079] close(5) = -1 EBADF (Bad file descriptor) [pid 5079] close(6) = -1 EBADF (Bad file descriptor) [pid 5079] close(7) = -1 EBADF (Bad file descriptor) [pid 5079] close(8) = -1 EBADF (Bad file descriptor) [pid 5079] close(9) = -1 EBADF (Bad file descriptor) [pid 5079] close(10) = -1 EBADF (Bad file descriptor) [pid 5079] close(11) = -1 EBADF (Bad file descriptor) [pid 5079] close(12) = -1 EBADF (Bad file descriptor) [pid 5079] close(13) = -1 EBADF (Bad file descriptor) [pid 5079] close(14) = -1 EBADF (Bad file descriptor) [pid 5079] close(15) = -1 EBADF (Bad file descriptor) [pid 5079] close(16) = -1 EBADF (Bad file descriptor) [pid 5079] close(17) = -1 EBADF (Bad file descriptor) [pid 5079] close(18) = -1 EBADF (Bad file descriptor) [pid 5079] close(19) = -1 EBADF (Bad file descriptor) [pid 5079] close(20) = -1 EBADF (Bad file descriptor) [pid 5079] close(21) = -1 EBADF (Bad file descriptor) [pid 5079] close(22) = -1 EBADF (Bad file descriptor) [pid 5079] close(23) = -1 EBADF (Bad file descriptor) [pid 5079] close(24) = -1 EBADF (Bad file descriptor) [pid 5079] close(25) = -1 EBADF (Bad file descriptor) [pid 5079] close(26) = -1 EBADF (Bad file descriptor) [pid 5079] close(27) = -1 EBADF (Bad file descriptor) [pid 5079] close(28) = -1 EBADF (Bad file descriptor) [pid 5079] close(29) = -1 EBADF (Bad file descriptor) [pid 5079] exit_group(0) = ? [pid 5079] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./72/cgroup.cpu") = 0 [pid 5005] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./72/binderfs") = 0 [pid 5005] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./72/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./72/cgroup") = 0 [pid 5005] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./72/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./72") = 0 [pid 5005] mkdir("./73", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5080 attached , child_tidptr=0x5555570a35d0) = 75 [pid 5080] chdir("./73") = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] setpgid(0, 0) = 0 [pid 5080] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5080] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5080] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1000", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5080] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5080] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5080] openat(3, "freezer.state", O_RDWR) = 4 [pid 5080] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5080] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5080] close(3) = 0 [pid 5080] close(4) = 0 [pid 5080] close(5) = -1 EBADF (Bad file descriptor) [pid 5080] close(6) = -1 EBADF (Bad file descriptor) [pid 5080] close(7) = -1 EBADF (Bad file descriptor) [pid 5080] close(8) = -1 EBADF (Bad file descriptor) [pid 5080] close(9) = -1 EBADF (Bad file descriptor) [pid 5080] close(10) = -1 EBADF (Bad file descriptor) [pid 5080] close(11) = -1 EBADF (Bad file descriptor) [pid 5080] close(12) = -1 EBADF (Bad file descriptor) [pid 5080] close(13) = -1 EBADF (Bad file descriptor) [pid 5080] close(14) = -1 EBADF (Bad file descriptor) [pid 5080] close(15) = -1 EBADF (Bad file descriptor) [pid 5080] close(16) = -1 EBADF (Bad file descriptor) [pid 5080] close(17) = -1 EBADF (Bad file descriptor) [pid 5080] close(18) = -1 EBADF (Bad file descriptor) [pid 5080] close(19) = -1 EBADF (Bad file descriptor) [pid 5080] close(20) = -1 EBADF (Bad file descriptor) [pid 5080] close(21) = -1 EBADF (Bad file descriptor) [pid 5080] close(22) = -1 EBADF (Bad file descriptor) [pid 5080] close(23) = -1 EBADF (Bad file descriptor) [pid 5080] close(24) = -1 EBADF (Bad file descriptor) [pid 5080] close(25) = -1 EBADF (Bad file descriptor) [pid 5080] close(26) = -1 EBADF (Bad file descriptor) [pid 5080] close(27) = -1 EBADF (Bad file descriptor) [pid 5080] close(28) = -1 EBADF (Bad file descriptor) [pid 5080] close(29) = -1 EBADF (Bad file descriptor) [pid 5080] exit_group(0) = ? [pid 5080] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./73/cgroup.cpu") = 0 [pid 5005] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./73/binderfs") = 0 [pid 5005] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./73/cgroup") = 0 [pid 5005] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./73/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./73") = 0 [pid 5005] mkdir("./74", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached [pid 5081] chdir("./74") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 76 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setpgid(0, 0) = 0 [pid 5081] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5081] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5081] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5081] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5081] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5081] openat(3, "freezer.state", O_RDWR) = 4 [pid 5081] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5081] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5081] close(3) = 0 [pid 5081] close(4) = 0 [pid 5081] close(5) = -1 EBADF (Bad file descriptor) [pid 5081] close(6) = -1 EBADF (Bad file descriptor) [pid 5081] close(7) = -1 EBADF (Bad file descriptor) [pid 5081] close(8) = -1 EBADF (Bad file descriptor) [pid 5081] close(9) = -1 EBADF (Bad file descriptor) [pid 5081] close(10) = -1 EBADF (Bad file descriptor) [pid 5081] close(11) = -1 EBADF (Bad file descriptor) [pid 5081] close(12) = -1 EBADF (Bad file descriptor) [pid 5081] close(13) = -1 EBADF (Bad file descriptor) [pid 5081] close(14) = -1 EBADF (Bad file descriptor) [pid 5081] close(15) = -1 EBADF (Bad file descriptor) [pid 5081] close(16) = -1 EBADF (Bad file descriptor) [pid 5081] close(17) = -1 EBADF (Bad file descriptor) [pid 5081] close(18) = -1 EBADF (Bad file descriptor) [pid 5081] close(19) = -1 EBADF (Bad file descriptor) [pid 5081] close(20) = -1 EBADF (Bad file descriptor) [pid 5081] close(21) = -1 EBADF (Bad file descriptor) [pid 5081] close(22) = -1 EBADF (Bad file descriptor) [pid 5081] close(23) = -1 EBADF (Bad file descriptor) [pid 5081] close(24) = -1 EBADF (Bad file descriptor) [pid 5081] close(25) = -1 EBADF (Bad file descriptor) [pid 5081] close(26) = -1 EBADF (Bad file descriptor) [pid 5081] close(27) = -1 EBADF (Bad file descriptor) [pid 5081] close(28) = -1 EBADF (Bad file descriptor) [pid 5081] close(29) = -1 EBADF (Bad file descriptor) [pid 5081] exit_group(0) = ? [pid 5081] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./74/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./74/cgroup.cpu") = 0 [pid 5005] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./74/binderfs") = 0 [pid 5005] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./74/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./74/cgroup") = 0 [pid 5005] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./74/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./74/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./74") = 0 [pid 5005] mkdir("./75", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5082 attached [pid 5082] chdir("./75") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 77 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5082] setpgid(0, 0) = 0 [pid 5082] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5082] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5082] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1000", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5082] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5082] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5082] openat(3, "freezer.state", O_RDWR) = 4 [pid 5082] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5082] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5082] close(3) = 0 [pid 5082] close(4) = 0 [pid 5082] close(5) = -1 EBADF (Bad file descriptor) [pid 5082] close(6) = -1 EBADF (Bad file descriptor) [pid 5082] close(7) = -1 EBADF (Bad file descriptor) [pid 5082] close(8) = -1 EBADF (Bad file descriptor) [pid 5082] close(9) = -1 EBADF (Bad file descriptor) [pid 5082] close(10) = -1 EBADF (Bad file descriptor) [pid 5082] close(11) = -1 EBADF (Bad file descriptor) [pid 5082] close(12) = -1 EBADF (Bad file descriptor) [pid 5082] close(13) = -1 EBADF (Bad file descriptor) [pid 5082] close(14) = -1 EBADF (Bad file descriptor) [pid 5082] close(15) = -1 EBADF (Bad file descriptor) [pid 5082] close(16) = -1 EBADF (Bad file descriptor) [pid 5082] close(17) = -1 EBADF (Bad file descriptor) [pid 5082] close(18) = -1 EBADF (Bad file descriptor) [pid 5082] close(19) = -1 EBADF (Bad file descriptor) [pid 5082] close(20) = -1 EBADF (Bad file descriptor) [pid 5082] close(21) = -1 EBADF (Bad file descriptor) [pid 5082] close(22) = -1 EBADF (Bad file descriptor) [pid 5082] close(23) = -1 EBADF (Bad file descriptor) [pid 5082] close(24) = -1 EBADF (Bad file descriptor) [pid 5082] close(25) = -1 EBADF (Bad file descriptor) [pid 5082] close(26) = -1 EBADF (Bad file descriptor) [pid 5082] close(27) = -1 EBADF (Bad file descriptor) [pid 5082] close(28) = -1 EBADF (Bad file descriptor) [pid 5082] close(29) = -1 EBADF (Bad file descriptor) [pid 5082] exit_group(0) = ? [pid 5082] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./75/cgroup.cpu") = 0 [pid 5005] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./75/binderfs") = 0 [pid 5005] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./75/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./75/cgroup") = 0 [pid 5005] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./75/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./75") = 0 [pid 5005] mkdir("./76", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached [pid 5083] chdir("./76") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 78 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5083] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5083] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5083] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5083] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5083] openat(3, "freezer.state", O_RDWR) = 4 [pid 5083] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5083] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5083] close(3) = 0 [pid 5083] close(4) = 0 [pid 5083] close(5) = -1 EBADF (Bad file descriptor) [pid 5083] close(6) = -1 EBADF (Bad file descriptor) [pid 5083] close(7) = -1 EBADF (Bad file descriptor) [pid 5083] close(8) = -1 EBADF (Bad file descriptor) [pid 5083] close(9) = -1 EBADF (Bad file descriptor) [pid 5083] close(10) = -1 EBADF (Bad file descriptor) [pid 5083] close(11) = -1 EBADF (Bad file descriptor) [pid 5083] close(12) = -1 EBADF (Bad file descriptor) [pid 5083] close(13) = -1 EBADF (Bad file descriptor) [pid 5083] close(14) = -1 EBADF (Bad file descriptor) [pid 5083] close(15) = -1 EBADF (Bad file descriptor) [pid 5083] close(16) = -1 EBADF (Bad file descriptor) [pid 5083] close(17) = -1 EBADF (Bad file descriptor) [pid 5083] close(18) = -1 EBADF (Bad file descriptor) [pid 5083] close(19) = -1 EBADF (Bad file descriptor) [pid 5083] close(20) = -1 EBADF (Bad file descriptor) [pid 5083] close(21) = -1 EBADF (Bad file descriptor) [pid 5083] close(22) = -1 EBADF (Bad file descriptor) [pid 5083] close(23) = -1 EBADF (Bad file descriptor) [pid 5083] close(24) = -1 EBADF (Bad file descriptor) [pid 5083] close(25) = -1 EBADF (Bad file descriptor) [pid 5083] close(26) = -1 EBADF (Bad file descriptor) [pid 5083] close(27) = -1 EBADF (Bad file descriptor) [pid 5083] close(28) = -1 EBADF (Bad file descriptor) [pid 5083] close(29) = -1 EBADF (Bad file descriptor) [pid 5083] exit_group(0) = ? [pid 5083] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./76/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./76/cgroup.cpu") = 0 [pid 5005] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./76/binderfs") = 0 [pid 5005] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./76/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./76/cgroup") = 0 [pid 5005] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./76/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./76") = 0 [pid 5005] mkdir("./77", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5084 attached [pid 5084] chdir("./77") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 79 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5084] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5084] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5084] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5084] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5084] openat(3, "freezer.state", O_RDWR) = 4 [pid 5084] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5084] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5084] close(3) = 0 [pid 5084] close(4) = 0 [pid 5084] close(5) = -1 EBADF (Bad file descriptor) [pid 5084] close(6) = -1 EBADF (Bad file descriptor) [pid 5084] close(7) = -1 EBADF (Bad file descriptor) [pid 5084] close(8) = -1 EBADF (Bad file descriptor) [pid 5084] close(9) = -1 EBADF (Bad file descriptor) [pid 5084] close(10) = -1 EBADF (Bad file descriptor) [pid 5084] close(11) = -1 EBADF (Bad file descriptor) [pid 5084] close(12) = -1 EBADF (Bad file descriptor) [pid 5084] close(13) = -1 EBADF (Bad file descriptor) [pid 5084] close(14) = -1 EBADF (Bad file descriptor) [pid 5084] close(15) = -1 EBADF (Bad file descriptor) [pid 5084] close(16) = -1 EBADF (Bad file descriptor) [pid 5084] close(17) = -1 EBADF (Bad file descriptor) [pid 5084] close(18) = -1 EBADF (Bad file descriptor) [pid 5084] close(19) = -1 EBADF (Bad file descriptor) [pid 5084] close(20) = -1 EBADF (Bad file descriptor) [pid 5084] close(21) = -1 EBADF (Bad file descriptor) [pid 5084] close(22) = -1 EBADF (Bad file descriptor) [pid 5084] close(23) = -1 EBADF (Bad file descriptor) [pid 5084] close(24) = -1 EBADF (Bad file descriptor) [pid 5084] close(25) = -1 EBADF (Bad file descriptor) [pid 5084] close(26) = -1 EBADF (Bad file descriptor) [pid 5084] close(27) = -1 EBADF (Bad file descriptor) [pid 5084] close(28) = -1 EBADF (Bad file descriptor) [pid 5084] close(29) = -1 EBADF (Bad file descriptor) [pid 5084] exit_group(0) = ? [pid 5084] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./77/cgroup.cpu") = 0 [pid 5005] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./77/binderfs") = 0 [pid 5005] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./77/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./77/cgroup") = 0 [pid 5005] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./77/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./77/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./77") = 0 [pid 5005] mkdir("./78", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5085 attached [pid 5085] chdir("./78") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 80 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5085] setpgid(0, 0) = 0 [pid 5085] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5085] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5085] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1000", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5085] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5085] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5085] openat(3, "freezer.state", O_RDWR) = 4 [pid 5085] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5085] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5085] close(3) = 0 [pid 5085] close(4) = 0 [pid 5085] close(5) = -1 EBADF (Bad file descriptor) [pid 5085] close(6) = -1 EBADF (Bad file descriptor) [pid 5085] close(7) = -1 EBADF (Bad file descriptor) [pid 5085] close(8) = -1 EBADF (Bad file descriptor) [pid 5085] close(9) = -1 EBADF (Bad file descriptor) [pid 5085] close(10) = -1 EBADF (Bad file descriptor) [pid 5085] close(11) = -1 EBADF (Bad file descriptor) [pid 5085] close(12) = -1 EBADF (Bad file descriptor) [pid 5085] close(13) = -1 EBADF (Bad file descriptor) [pid 5085] close(14) = -1 EBADF (Bad file descriptor) [pid 5085] close(15) = -1 EBADF (Bad file descriptor) [pid 5085] close(16) = -1 EBADF (Bad file descriptor) [pid 5085] close(17) = -1 EBADF (Bad file descriptor) [pid 5085] close(18) = -1 EBADF (Bad file descriptor) [pid 5085] close(19) = -1 EBADF (Bad file descriptor) [pid 5085] close(20) = -1 EBADF (Bad file descriptor) [pid 5085] close(21) = -1 EBADF (Bad file descriptor) [pid 5085] close(22) = -1 EBADF (Bad file descriptor) [pid 5085] close(23) = -1 EBADF (Bad file descriptor) [pid 5085] close(24) = -1 EBADF (Bad file descriptor) [pid 5085] close(25) = -1 EBADF (Bad file descriptor) [pid 5085] close(26) = -1 EBADF (Bad file descriptor) [pid 5085] close(27) = -1 EBADF (Bad file descriptor) [pid 5085] close(28) = -1 EBADF (Bad file descriptor) [pid 5085] close(29) = -1 EBADF (Bad file descriptor) [pid 5085] exit_group(0) = ? [pid 5085] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./78/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./78/cgroup.cpu") = 0 [pid 5005] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./78/binderfs") = 0 [pid 5005] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./78/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./78/cgroup") = 0 [pid 5005] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./78/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./78/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./78") = 0 [pid 5005] mkdir("./79", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached [pid 5086] chdir("./79") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 81 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5086] setpgid(0, 0) = 0 [pid 5086] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5086] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5086] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1000", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5086] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5086] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5086] openat(3, "freezer.state", O_RDWR) = 4 [pid 5086] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5086] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5086] close(3) = 0 [pid 5086] close(4) = 0 [pid 5086] close(5) = -1 EBADF (Bad file descriptor) [pid 5086] close(6) = -1 EBADF (Bad file descriptor) [pid 5086] close(7) = -1 EBADF (Bad file descriptor) [pid 5086] close(8) = -1 EBADF (Bad file descriptor) [pid 5086] close(9) = -1 EBADF (Bad file descriptor) [pid 5086] close(10) = -1 EBADF (Bad file descriptor) [pid 5086] close(11) = -1 EBADF (Bad file descriptor) [pid 5086] close(12) = -1 EBADF (Bad file descriptor) [pid 5086] close(13) = -1 EBADF (Bad file descriptor) [pid 5086] close(14) = -1 EBADF (Bad file descriptor) [pid 5086] close(15) = -1 EBADF (Bad file descriptor) [pid 5086] close(16) = -1 EBADF (Bad file descriptor) [pid 5086] close(17) = -1 EBADF (Bad file descriptor) [pid 5086] close(18) = -1 EBADF (Bad file descriptor) [pid 5086] close(19) = -1 EBADF (Bad file descriptor) [pid 5086] close(20) = -1 EBADF (Bad file descriptor) [pid 5086] close(21) = -1 EBADF (Bad file descriptor) [pid 5086] close(22) = -1 EBADF (Bad file descriptor) [pid 5086] close(23) = -1 EBADF (Bad file descriptor) [pid 5086] close(24) = -1 EBADF (Bad file descriptor) [pid 5086] close(25) = -1 EBADF (Bad file descriptor) [pid 5086] close(26) = -1 EBADF (Bad file descriptor) [pid 5086] close(27) = -1 EBADF (Bad file descriptor) [pid 5086] close(28) = -1 EBADF (Bad file descriptor) [pid 5086] close(29) = -1 EBADF (Bad file descriptor) [pid 5086] exit_group(0) = ? [pid 5086] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./79/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./79/cgroup.cpu") = 0 [pid 5005] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./79/binderfs") = 0 [pid 5005] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./79/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./79/cgroup") = 0 [pid 5005] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./79/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./79/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./79") = 0 [pid 5005] mkdir("./80", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached , child_tidptr=0x5555570a35d0) = 82 [pid 5087] chdir("./80") = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5087] setpgid(0, 0) = 0 [pid 5087] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5087] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5087] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5087] write(3, "1000", 4) = 4 [pid 5087] close(3) = 0 [pid 5087] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5087] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5087] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5087] openat(3, "freezer.state", O_RDWR) = 4 [pid 5087] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5087] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5087] close(3) = 0 [pid 5087] close(4) = 0 [pid 5087] close(5) = -1 EBADF (Bad file descriptor) [pid 5087] close(6) = -1 EBADF (Bad file descriptor) [pid 5087] close(7) = -1 EBADF (Bad file descriptor) [pid 5087] close(8) = -1 EBADF (Bad file descriptor) [pid 5087] close(9) = -1 EBADF (Bad file descriptor) [pid 5087] close(10) = -1 EBADF (Bad file descriptor) [pid 5087] close(11) = -1 EBADF (Bad file descriptor) [pid 5087] close(12) = -1 EBADF (Bad file descriptor) [pid 5087] close(13) = -1 EBADF (Bad file descriptor) [pid 5087] close(14) = -1 EBADF (Bad file descriptor) [pid 5087] close(15) = -1 EBADF (Bad file descriptor) [pid 5087] close(16) = -1 EBADF (Bad file descriptor) [pid 5087] close(17) = -1 EBADF (Bad file descriptor) [pid 5087] close(18) = -1 EBADF (Bad file descriptor) [pid 5087] close(19) = -1 EBADF (Bad file descriptor) [pid 5087] close(20) = -1 EBADF (Bad file descriptor) [pid 5087] close(21) = -1 EBADF (Bad file descriptor) [pid 5087] close(22) = -1 EBADF (Bad file descriptor) [pid 5087] close(23) = -1 EBADF (Bad file descriptor) [pid 5087] close(24) = -1 EBADF (Bad file descriptor) [pid 5087] close(25) = -1 EBADF (Bad file descriptor) [pid 5087] close(26) = -1 EBADF (Bad file descriptor) [pid 5087] close(27) = -1 EBADF (Bad file descriptor) [pid 5087] close(28) = -1 EBADF (Bad file descriptor) [pid 5087] close(29) = -1 EBADF (Bad file descriptor) [pid 5087] exit_group(0) = ? [pid 5087] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./80/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./80/cgroup.cpu") = 0 [pid 5005] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./80/binderfs") = 0 [pid 5005] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./80/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./80/cgroup") = 0 [pid 5005] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./80/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./80/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./80") = 0 [pid 5005] mkdir("./81", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached , child_tidptr=0x5555570a35d0) = 83 [pid 5088] chdir("./81") = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5088] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5088] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5088] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5088] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5088] openat(3, "freezer.state", O_RDWR) = 4 [pid 5088] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5088] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5088] close(3) = 0 [pid 5088] close(4) = 0 [pid 5088] close(5) = -1 EBADF (Bad file descriptor) [pid 5088] close(6) = -1 EBADF (Bad file descriptor) [pid 5088] close(7) = -1 EBADF (Bad file descriptor) [pid 5088] close(8) = -1 EBADF (Bad file descriptor) [pid 5088] close(9) = -1 EBADF (Bad file descriptor) [pid 5088] close(10) = -1 EBADF (Bad file descriptor) [pid 5088] close(11) = -1 EBADF (Bad file descriptor) [pid 5088] close(12) = -1 EBADF (Bad file descriptor) [pid 5088] close(13) = -1 EBADF (Bad file descriptor) [pid 5088] close(14) = -1 EBADF (Bad file descriptor) [pid 5088] close(15) = -1 EBADF (Bad file descriptor) [pid 5088] close(16) = -1 EBADF (Bad file descriptor) [pid 5088] close(17) = -1 EBADF (Bad file descriptor) [pid 5088] close(18) = -1 EBADF (Bad file descriptor) [pid 5088] close(19) = -1 EBADF (Bad file descriptor) [pid 5088] close(20) = -1 EBADF (Bad file descriptor) [pid 5088] close(21) = -1 EBADF (Bad file descriptor) [pid 5088] close(22) = -1 EBADF (Bad file descriptor) [pid 5088] close(23) = -1 EBADF (Bad file descriptor) [pid 5088] close(24) = -1 EBADF (Bad file descriptor) [pid 5088] close(25) = -1 EBADF (Bad file descriptor) [pid 5088] close(26) = -1 EBADF (Bad file descriptor) [pid 5088] close(27) = -1 EBADF (Bad file descriptor) [pid 5088] close(28) = -1 EBADF (Bad file descriptor) [pid 5088] close(29) = -1 EBADF (Bad file descriptor) [pid 5088] exit_group(0) = ? [pid 5088] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./81/cgroup.cpu") = 0 [pid 5005] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./81/binderfs") = 0 [pid 5005] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./81/cgroup") = 0 [pid 5005] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./81/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./81") = 0 [pid 5005] mkdir("./82", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached , child_tidptr=0x5555570a35d0) = 84 [pid 5089] chdir("./82") = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5089] setpgid(0, 0) = 0 [pid 5089] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5089] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5089] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1000", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5089] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5089] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5089] openat(3, "freezer.state", O_RDWR) = 4 [pid 5089] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5089] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5089] close(3) = 0 [pid 5089] close(4) = 0 [pid 5089] close(5) = -1 EBADF (Bad file descriptor) [pid 5089] close(6) = -1 EBADF (Bad file descriptor) [pid 5089] close(7) = -1 EBADF (Bad file descriptor) [pid 5089] close(8) = -1 EBADF (Bad file descriptor) [pid 5089] close(9) = -1 EBADF (Bad file descriptor) [pid 5089] close(10) = -1 EBADF (Bad file descriptor) [pid 5089] close(11) = -1 EBADF (Bad file descriptor) [pid 5089] close(12) = -1 EBADF (Bad file descriptor) [pid 5089] close(13) = -1 EBADF (Bad file descriptor) [pid 5089] close(14) = -1 EBADF (Bad file descriptor) [pid 5089] close(15) = -1 EBADF (Bad file descriptor) [pid 5089] close(16) = -1 EBADF (Bad file descriptor) [pid 5089] close(17) = -1 EBADF (Bad file descriptor) [pid 5089] close(18) = -1 EBADF (Bad file descriptor) [pid 5089] close(19) = -1 EBADF (Bad file descriptor) [pid 5089] close(20) = -1 EBADF (Bad file descriptor) [pid 5089] close(21) = -1 EBADF (Bad file descriptor) [pid 5089] close(22) = -1 EBADF (Bad file descriptor) [pid 5089] close(23) = -1 EBADF (Bad file descriptor) [pid 5089] close(24) = -1 EBADF (Bad file descriptor) [pid 5089] close(25) = -1 EBADF (Bad file descriptor) [pid 5089] close(26) = -1 EBADF (Bad file descriptor) [pid 5089] close(27) = -1 EBADF (Bad file descriptor) [pid 5089] close(28) = -1 EBADF (Bad file descriptor) [pid 5089] close(29) = -1 EBADF (Bad file descriptor) [pid 5089] exit_group(0) = ? [pid 5089] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./82/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./82/cgroup.cpu") = 0 [pid 5005] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./82/binderfs") = 0 [pid 5005] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./82/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./82/cgroup") = 0 [pid 5005] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./82/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./82/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./82") = 0 [pid 5005] mkdir("./83", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached [pid 5090] chdir("./83") = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 85 [pid 5090] <... prctl resumed>) = 0 [pid 5090] setpgid(0, 0) = 0 [pid 5090] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5090] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5090] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5090] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5090] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5090] openat(3, "freezer.state", O_RDWR) = 4 [pid 5090] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5090] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5090] close(3) = 0 [pid 5090] close(4) = 0 [pid 5090] close(5) = -1 EBADF (Bad file descriptor) [pid 5090] close(6) = -1 EBADF (Bad file descriptor) [pid 5090] close(7) = -1 EBADF (Bad file descriptor) [pid 5090] close(8) = -1 EBADF (Bad file descriptor) [pid 5090] close(9) = -1 EBADF (Bad file descriptor) [pid 5090] close(10) = -1 EBADF (Bad file descriptor) [pid 5090] close(11) = -1 EBADF (Bad file descriptor) [pid 5090] close(12) = -1 EBADF (Bad file descriptor) [pid 5090] close(13) = -1 EBADF (Bad file descriptor) [pid 5090] close(14) = -1 EBADF (Bad file descriptor) [pid 5090] close(15) = -1 EBADF (Bad file descriptor) [pid 5090] close(16) = -1 EBADF (Bad file descriptor) [pid 5090] close(17) = -1 EBADF (Bad file descriptor) [pid 5090] close(18) = -1 EBADF (Bad file descriptor) [pid 5090] close(19) = -1 EBADF (Bad file descriptor) [pid 5090] close(20) = -1 EBADF (Bad file descriptor) [pid 5090] close(21) = -1 EBADF (Bad file descriptor) [pid 5090] close(22) = -1 EBADF (Bad file descriptor) [pid 5090] close(23) = -1 EBADF (Bad file descriptor) [pid 5090] close(24) = -1 EBADF (Bad file descriptor) [pid 5090] close(25) = -1 EBADF (Bad file descriptor) [pid 5090] close(26) = -1 EBADF (Bad file descriptor) [pid 5090] close(27) = -1 EBADF (Bad file descriptor) [pid 5090] close(28) = -1 EBADF (Bad file descriptor) [pid 5090] close(29) = -1 EBADF (Bad file descriptor) [pid 5090] exit_group(0) = ? [pid 5090] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./83/cgroup.cpu") = 0 [pid 5005] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./83/binderfs") = 0 [pid 5005] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./83/cgroup") = 0 [pid 5005] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./83/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./83") = 0 [pid 5005] mkdir("./84", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached [pid 5091] chdir("./84") = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 86 [pid 5091] <... prctl resumed>) = 0 [pid 5091] setpgid(0, 0) = 0 [pid 5091] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5091] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5091] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1000", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5091] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5091] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5091] openat(3, "freezer.state", O_RDWR) = 4 [pid 5091] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5091] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5091] close(3) = 0 [pid 5091] close(4) = 0 [pid 5091] close(5) = -1 EBADF (Bad file descriptor) [pid 5091] close(6) = -1 EBADF (Bad file descriptor) [pid 5091] close(7) = -1 EBADF (Bad file descriptor) [pid 5091] close(8) = -1 EBADF (Bad file descriptor) [pid 5091] close(9) = -1 EBADF (Bad file descriptor) [pid 5091] close(10) = -1 EBADF (Bad file descriptor) [pid 5091] close(11) = -1 EBADF (Bad file descriptor) [pid 5091] close(12) = -1 EBADF (Bad file descriptor) [pid 5091] close(13) = -1 EBADF (Bad file descriptor) [pid 5091] close(14) = -1 EBADF (Bad file descriptor) [pid 5091] close(15) = -1 EBADF (Bad file descriptor) [pid 5091] close(16) = -1 EBADF (Bad file descriptor) [pid 5091] close(17) = -1 EBADF (Bad file descriptor) [pid 5091] close(18) = -1 EBADF (Bad file descriptor) [pid 5091] close(19) = -1 EBADF (Bad file descriptor) [pid 5091] close(20) = -1 EBADF (Bad file descriptor) [pid 5091] close(21) = -1 EBADF (Bad file descriptor) [pid 5091] close(22) = -1 EBADF (Bad file descriptor) [pid 5091] close(23) = -1 EBADF (Bad file descriptor) [pid 5091] close(24) = -1 EBADF (Bad file descriptor) [pid 5091] close(25) = -1 EBADF (Bad file descriptor) [pid 5091] close(26) = -1 EBADF (Bad file descriptor) [pid 5091] close(27) = -1 EBADF (Bad file descriptor) [pid 5091] close(28) = -1 EBADF (Bad file descriptor) [pid 5091] close(29) = -1 EBADF (Bad file descriptor) [pid 5091] exit_group(0) = ? [pid 5091] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./84/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./84/cgroup.cpu") = 0 [pid 5005] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./84/binderfs") = 0 [pid 5005] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./84/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./84/cgroup") = 0 [pid 5005] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./84/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./84") = 0 [pid 5005] mkdir("./85", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached [pid 5092] chdir("./85") = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setpgid(0, 0) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 87 [pid 5092] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5092] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5092] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1000", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5092] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5092] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5092] openat(3, "freezer.state", O_RDWR) = 4 [pid 5092] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5092] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5092] close(3) = 0 [pid 5092] close(4) = 0 [pid 5092] close(5) = -1 EBADF (Bad file descriptor) [pid 5092] close(6) = -1 EBADF (Bad file descriptor) [pid 5092] close(7) = -1 EBADF (Bad file descriptor) [pid 5092] close(8) = -1 EBADF (Bad file descriptor) [pid 5092] close(9) = -1 EBADF (Bad file descriptor) [pid 5092] close(10) = -1 EBADF (Bad file descriptor) [pid 5092] close(11) = -1 EBADF (Bad file descriptor) [pid 5092] close(12) = -1 EBADF (Bad file descriptor) [pid 5092] close(13) = -1 EBADF (Bad file descriptor) [pid 5092] close(14) = -1 EBADF (Bad file descriptor) [pid 5092] close(15) = -1 EBADF (Bad file descriptor) [pid 5092] close(16) = -1 EBADF (Bad file descriptor) [pid 5092] close(17) = -1 EBADF (Bad file descriptor) [pid 5092] close(18) = -1 EBADF (Bad file descriptor) [pid 5092] close(19) = -1 EBADF (Bad file descriptor) [pid 5092] close(20) = -1 EBADF (Bad file descriptor) [pid 5092] close(21) = -1 EBADF (Bad file descriptor) [pid 5092] close(22) = -1 EBADF (Bad file descriptor) [pid 5092] close(23) = -1 EBADF (Bad file descriptor) [pid 5092] close(24) = -1 EBADF (Bad file descriptor) [pid 5092] close(25) = -1 EBADF (Bad file descriptor) [pid 5092] close(26) = -1 EBADF (Bad file descriptor) [pid 5092] close(27) = -1 EBADF (Bad file descriptor) [pid 5092] close(28) = -1 EBADF (Bad file descriptor) [pid 5092] close(29) = -1 EBADF (Bad file descriptor) [pid 5092] exit_group(0) = ? [pid 5092] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./85/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./85/cgroup.cpu") = 0 [pid 5005] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./85/binderfs") = 0 [pid 5005] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./85/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./85/cgroup") = 0 [pid 5005] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./85/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./85/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./85") = 0 [pid 5005] mkdir("./86", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached [pid 5093] chdir("./86") = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 88 [pid 5093] setpgid(0, 0) = 0 [pid 5093] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5093] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5093] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5093] write(3, "1000", 4) = 4 [pid 5093] close(3) = 0 [pid 5093] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5093] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5093] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5093] openat(3, "freezer.state", O_RDWR) = 4 [pid 5093] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5093] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5093] close(3) = 0 [pid 5093] close(4) = 0 [pid 5093] close(5) = -1 EBADF (Bad file descriptor) [pid 5093] close(6) = -1 EBADF (Bad file descriptor) [pid 5093] close(7) = -1 EBADF (Bad file descriptor) [pid 5093] close(8) = -1 EBADF (Bad file descriptor) [pid 5093] close(9) = -1 EBADF (Bad file descriptor) [pid 5093] close(10) = -1 EBADF (Bad file descriptor) [pid 5093] close(11) = -1 EBADF (Bad file descriptor) [pid 5093] close(12) = -1 EBADF (Bad file descriptor) [pid 5093] close(13) = -1 EBADF (Bad file descriptor) [pid 5093] close(14) = -1 EBADF (Bad file descriptor) [pid 5093] close(15) = -1 EBADF (Bad file descriptor) [pid 5093] close(16) = -1 EBADF (Bad file descriptor) [pid 5093] close(17) = -1 EBADF (Bad file descriptor) [pid 5093] close(18) = -1 EBADF (Bad file descriptor) [pid 5093] close(19) = -1 EBADF (Bad file descriptor) [pid 5093] close(20) = -1 EBADF (Bad file descriptor) [pid 5093] close(21) = -1 EBADF (Bad file descriptor) [pid 5093] close(22) = -1 EBADF (Bad file descriptor) [pid 5093] close(23) = -1 EBADF (Bad file descriptor) [pid 5093] close(24) = -1 EBADF (Bad file descriptor) [pid 5093] close(25) = -1 EBADF (Bad file descriptor) [pid 5093] close(26) = -1 EBADF (Bad file descriptor) [pid 5093] close(27) = -1 EBADF (Bad file descriptor) [pid 5093] close(28) = -1 EBADF (Bad file descriptor) [pid 5093] close(29) = -1 EBADF (Bad file descriptor) [pid 5093] exit_group(0) = ? [pid 5093] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./86/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./86/cgroup.cpu") = 0 [pid 5005] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./86/binderfs") = 0 [pid 5005] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./86/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./86/cgroup") = 0 [pid 5005] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./86/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./86") = 0 [pid 5005] mkdir("./87", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached , child_tidptr=0x5555570a35d0) = 89 [pid 5094] chdir("./87") = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5094] setpgid(0, 0) = 0 [pid 5094] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5094] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5094] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 [pid 5094] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5094] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5094] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5094] openat(3, "freezer.state", O_RDWR) = 4 [pid 5094] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5094] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5094] close(3) = 0 [pid 5094] close(4) = 0 [pid 5094] close(5) = -1 EBADF (Bad file descriptor) [pid 5094] close(6) = -1 EBADF (Bad file descriptor) [pid 5094] close(7) = -1 EBADF (Bad file descriptor) [pid 5094] close(8) = -1 EBADF (Bad file descriptor) [pid 5094] close(9) = -1 EBADF (Bad file descriptor) [pid 5094] close(10) = -1 EBADF (Bad file descriptor) [pid 5094] close(11) = -1 EBADF (Bad file descriptor) [pid 5094] close(12) = -1 EBADF (Bad file descriptor) [pid 5094] close(13) = -1 EBADF (Bad file descriptor) [pid 5094] close(14) = -1 EBADF (Bad file descriptor) [pid 5094] close(15) = -1 EBADF (Bad file descriptor) [pid 5094] close(16) = -1 EBADF (Bad file descriptor) [pid 5094] close(17) = -1 EBADF (Bad file descriptor) [pid 5094] close(18) = -1 EBADF (Bad file descriptor) [pid 5094] close(19) = -1 EBADF (Bad file descriptor) [pid 5094] close(20) = -1 EBADF (Bad file descriptor) [pid 5094] close(21) = -1 EBADF (Bad file descriptor) [pid 5094] close(22) = -1 EBADF (Bad file descriptor) [pid 5094] close(23) = -1 EBADF (Bad file descriptor) [pid 5094] close(24) = -1 EBADF (Bad file descriptor) [pid 5094] close(25) = -1 EBADF (Bad file descriptor) [pid 5094] close(26) = -1 EBADF (Bad file descriptor) [pid 5094] close(27) = -1 EBADF (Bad file descriptor) [pid 5094] close(28) = -1 EBADF (Bad file descriptor) [pid 5094] close(29) = -1 EBADF (Bad file descriptor) [pid 5094] exit_group(0) = ? [pid 5094] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./87/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./87/cgroup.cpu") = 0 [pid 5005] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./87/binderfs") = 0 [pid 5005] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./87/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./87/cgroup") = 0 [pid 5005] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./87/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./87") = 0 [pid 5005] mkdir("./88", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached [pid 5095] chdir("./88") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 90 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] setpgid(0, 0) = 0 [pid 5095] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5095] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5095] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5095] write(3, "1000", 4) = 4 [pid 5095] close(3) = 0 [pid 5095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5095] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5095] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5095] openat(3, "freezer.state", O_RDWR) = 4 [pid 5095] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5095] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5095] close(3) = 0 [pid 5095] close(4) = 0 [pid 5095] close(5) = -1 EBADF (Bad file descriptor) [pid 5095] close(6) = -1 EBADF (Bad file descriptor) [pid 5095] close(7) = -1 EBADF (Bad file descriptor) [pid 5095] close(8) = -1 EBADF (Bad file descriptor) [pid 5095] close(9) = -1 EBADF (Bad file descriptor) [pid 5095] close(10) = -1 EBADF (Bad file descriptor) [pid 5095] close(11) = -1 EBADF (Bad file descriptor) [pid 5095] close(12) = -1 EBADF (Bad file descriptor) [pid 5095] close(13) = -1 EBADF (Bad file descriptor) [pid 5095] close(14) = -1 EBADF (Bad file descriptor) [pid 5095] close(15) = -1 EBADF (Bad file descriptor) [pid 5095] close(16) = -1 EBADF (Bad file descriptor) [pid 5095] close(17) = -1 EBADF (Bad file descriptor) [pid 5095] close(18) = -1 EBADF (Bad file descriptor) [pid 5095] close(19) = -1 EBADF (Bad file descriptor) [pid 5095] close(20) = -1 EBADF (Bad file descriptor) [pid 5095] close(21) = -1 EBADF (Bad file descriptor) [pid 5095] close(22) = -1 EBADF (Bad file descriptor) [pid 5095] close(23) = -1 EBADF (Bad file descriptor) [pid 5095] close(24) = -1 EBADF (Bad file descriptor) [pid 5095] close(25) = -1 EBADF (Bad file descriptor) [pid 5095] close(26) = -1 EBADF (Bad file descriptor) [pid 5095] close(27) = -1 EBADF (Bad file descriptor) [pid 5095] close(28) = -1 EBADF (Bad file descriptor) [pid 5095] close(29) = -1 EBADF (Bad file descriptor) [pid 5095] exit_group(0) = ? [pid 5095] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./88/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./88/cgroup.cpu") = 0 [pid 5005] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./88/binderfs") = 0 [pid 5005] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./88/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./88/cgroup") = 0 [pid 5005] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./88/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./88/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./88") = 0 [pid 5005] mkdir("./89", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached [pid 5096] chdir("./89") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 91 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0) = 0 [pid 5096] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5096] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5096] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5096] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5096] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5096] openat(3, "freezer.state", O_RDWR) = 4 [pid 5096] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5096] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5096] close(3) = 0 [pid 5096] close(4) = 0 [pid 5096] close(5) = -1 EBADF (Bad file descriptor) [pid 5096] close(6) = -1 EBADF (Bad file descriptor) [pid 5096] close(7) = -1 EBADF (Bad file descriptor) [pid 5096] close(8) = -1 EBADF (Bad file descriptor) [pid 5096] close(9) = -1 EBADF (Bad file descriptor) [pid 5096] close(10) = -1 EBADF (Bad file descriptor) [pid 5096] close(11) = -1 EBADF (Bad file descriptor) [pid 5096] close(12) = -1 EBADF (Bad file descriptor) [pid 5096] close(13) = -1 EBADF (Bad file descriptor) [pid 5096] close(14) = -1 EBADF (Bad file descriptor) [pid 5096] close(15) = -1 EBADF (Bad file descriptor) [pid 5096] close(16) = -1 EBADF (Bad file descriptor) [pid 5096] close(17) = -1 EBADF (Bad file descriptor) [pid 5096] close(18) = -1 EBADF (Bad file descriptor) [pid 5096] close(19) = -1 EBADF (Bad file descriptor) [pid 5096] close(20) = -1 EBADF (Bad file descriptor) [pid 5096] close(21) = -1 EBADF (Bad file descriptor) [pid 5096] close(22) = -1 EBADF (Bad file descriptor) [pid 5096] close(23) = -1 EBADF (Bad file descriptor) [pid 5096] close(24) = -1 EBADF (Bad file descriptor) [pid 5096] close(25) = -1 EBADF (Bad file descriptor) [pid 5096] close(26) = -1 EBADF (Bad file descriptor) [pid 5096] close(27) = -1 EBADF (Bad file descriptor) [pid 5096] close(28) = -1 EBADF (Bad file descriptor) [pid 5096] close(29) = -1 EBADF (Bad file descriptor) [pid 5096] exit_group(0) = ? [pid 5096] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./89/cgroup.cpu") = 0 [pid 5005] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./89/binderfs") = 0 [pid 5005] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./89/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./89/cgroup") = 0 [pid 5005] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./89/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./89/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./89") = 0 [pid 5005] mkdir("./90", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 92 ./strace-static-x86_64: Process 5097 attached [pid 5097] chdir("./90") = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5097] setpgid(0, 0) = 0 [pid 5097] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5097] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5097] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1000", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5097] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5097] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5097] openat(3, "freezer.state", O_RDWR) = 4 [pid 5097] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5097] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5097] close(3) = 0 [pid 5097] close(4) = 0 [pid 5097] close(5) = -1 EBADF (Bad file descriptor) [pid 5097] close(6) = -1 EBADF (Bad file descriptor) [pid 5097] close(7) = -1 EBADF (Bad file descriptor) [pid 5097] close(8) = -1 EBADF (Bad file descriptor) [pid 5097] close(9) = -1 EBADF (Bad file descriptor) [pid 5097] close(10) = -1 EBADF (Bad file descriptor) [pid 5097] close(11) = -1 EBADF (Bad file descriptor) [pid 5097] close(12) = -1 EBADF (Bad file descriptor) [pid 5097] close(13) = -1 EBADF (Bad file descriptor) [pid 5097] close(14) = -1 EBADF (Bad file descriptor) [pid 5097] close(15) = -1 EBADF (Bad file descriptor) [pid 5097] close(16) = -1 EBADF (Bad file descriptor) [pid 5097] close(17) = -1 EBADF (Bad file descriptor) [pid 5097] close(18) = -1 EBADF (Bad file descriptor) [pid 5097] close(19) = -1 EBADF (Bad file descriptor) [pid 5097] close(20) = -1 EBADF (Bad file descriptor) [pid 5097] close(21) = -1 EBADF (Bad file descriptor) [pid 5097] close(22) = -1 EBADF (Bad file descriptor) [pid 5097] close(23) = -1 EBADF (Bad file descriptor) [pid 5097] close(24) = -1 EBADF (Bad file descriptor) [pid 5097] close(25) = -1 EBADF (Bad file descriptor) [pid 5097] close(26) = -1 EBADF (Bad file descriptor) [pid 5097] close(27) = -1 EBADF (Bad file descriptor) [pid 5097] close(28) = -1 EBADF (Bad file descriptor) [pid 5097] close(29) = -1 EBADF (Bad file descriptor) [pid 5097] exit_group(0) = ? [pid 5097] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./90/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./90/cgroup.cpu") = 0 [pid 5005] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./90/binderfs") = 0 [pid 5005] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./90/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./90/cgroup") = 0 [pid 5005] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./90/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./90/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./90") = 0 [pid 5005] mkdir("./91", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 93 ./strace-static-x86_64: Process 5098 attached [pid 5098] chdir("./91") = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] setpgid(0, 0) = 0 [pid 5098] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5098] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5098] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3) = 0 [pid 5098] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5098] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5098] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5098] openat(3, "freezer.state", O_RDWR) = 4 [pid 5098] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5098] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5098] close(3) = 0 [pid 5098] close(4) = 0 [pid 5098] close(5) = -1 EBADF (Bad file descriptor) [pid 5098] close(6) = -1 EBADF (Bad file descriptor) [pid 5098] close(7) = -1 EBADF (Bad file descriptor) [pid 5098] close(8) = -1 EBADF (Bad file descriptor) [pid 5098] close(9) = -1 EBADF (Bad file descriptor) [pid 5098] close(10) = -1 EBADF (Bad file descriptor) [pid 5098] close(11) = -1 EBADF (Bad file descriptor) [pid 5098] close(12) = -1 EBADF (Bad file descriptor) [pid 5098] close(13) = -1 EBADF (Bad file descriptor) [pid 5098] close(14) = -1 EBADF (Bad file descriptor) [pid 5098] close(15) = -1 EBADF (Bad file descriptor) [pid 5098] close(16) = -1 EBADF (Bad file descriptor) [pid 5098] close(17) = -1 EBADF (Bad file descriptor) [pid 5098] close(18) = -1 EBADF (Bad file descriptor) [pid 5098] close(19) = -1 EBADF (Bad file descriptor) [pid 5098] close(20) = -1 EBADF (Bad file descriptor) [pid 5098] close(21) = -1 EBADF (Bad file descriptor) [pid 5098] close(22) = -1 EBADF (Bad file descriptor) [pid 5098] close(23) = -1 EBADF (Bad file descriptor) [pid 5098] close(24) = -1 EBADF (Bad file descriptor) [pid 5098] close(25) = -1 EBADF (Bad file descriptor) [pid 5098] close(26) = -1 EBADF (Bad file descriptor) [pid 5098] close(27) = -1 EBADF (Bad file descriptor) [pid 5098] close(28) = -1 EBADF (Bad file descriptor) [pid 5098] close(29) = -1 EBADF (Bad file descriptor) [pid 5098] exit_group(0) = ? [pid 5098] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./91/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./91/cgroup.cpu") = 0 [pid 5005] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./91/binderfs") = 0 [pid 5005] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./91/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./91/cgroup") = 0 [pid 5005] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./91/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./91/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./91") = 0 [pid 5005] mkdir("./92", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached [pid 5099] chdir("./92") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 94 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5099] setpgid(0, 0) = 0 [pid 5099] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5099] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5099] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5099] write(3, "1000", 4) = 4 [pid 5099] close(3) = 0 [pid 5099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5099] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5099] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5099] openat(3, "freezer.state", O_RDWR) = 4 [pid 5099] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5099] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5099] close(3) = 0 [pid 5099] close(4) = 0 [pid 5099] close(5) = -1 EBADF (Bad file descriptor) [pid 5099] close(6) = -1 EBADF (Bad file descriptor) [pid 5099] close(7) = -1 EBADF (Bad file descriptor) [pid 5099] close(8) = -1 EBADF (Bad file descriptor) [pid 5099] close(9) = -1 EBADF (Bad file descriptor) [pid 5099] close(10) = -1 EBADF (Bad file descriptor) [pid 5099] close(11) = -1 EBADF (Bad file descriptor) [pid 5099] close(12) = -1 EBADF (Bad file descriptor) [pid 5099] close(13) = -1 EBADF (Bad file descriptor) [pid 5099] close(14) = -1 EBADF (Bad file descriptor) [pid 5099] close(15) = -1 EBADF (Bad file descriptor) [pid 5099] close(16) = -1 EBADF (Bad file descriptor) [pid 5099] close(17) = -1 EBADF (Bad file descriptor) [pid 5099] close(18) = -1 EBADF (Bad file descriptor) [pid 5099] close(19) = -1 EBADF (Bad file descriptor) [pid 5099] close(20) = -1 EBADF (Bad file descriptor) [pid 5099] close(21) = -1 EBADF (Bad file descriptor) [pid 5099] close(22) = -1 EBADF (Bad file descriptor) [pid 5099] close(23) = -1 EBADF (Bad file descriptor) [pid 5099] close(24) = -1 EBADF (Bad file descriptor) [pid 5099] close(25) = -1 EBADF (Bad file descriptor) [pid 5099] close(26) = -1 EBADF (Bad file descriptor) [pid 5099] close(27) = -1 EBADF (Bad file descriptor) [pid 5099] close(28) = -1 EBADF (Bad file descriptor) [pid 5099] close(29) = -1 EBADF (Bad file descriptor) [pid 5099] exit_group(0) = ? [pid 5099] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./92/cgroup.cpu") = 0 [pid 5005] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./92/binderfs") = 0 [pid 5005] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./92/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./92/cgroup") = 0 [pid 5005] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./92/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./92/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./92") = 0 [pid 5005] mkdir("./93", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached [pid 5100] chdir("./93") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 95 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] setpgid(0, 0) = 0 [pid 5100] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5100] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5100] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5100] write(3, "1000", 4) = 4 [pid 5100] close(3) = 0 [pid 5100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5100] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5100] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5100] openat(3, "freezer.state", O_RDWR) = 4 [pid 5100] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5100] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5100] close(3) = 0 [pid 5100] close(4) = 0 [pid 5100] close(5) = -1 EBADF (Bad file descriptor) [pid 5100] close(6) = -1 EBADF (Bad file descriptor) [pid 5100] close(7) = -1 EBADF (Bad file descriptor) [pid 5100] close(8) = -1 EBADF (Bad file descriptor) [pid 5100] close(9) = -1 EBADF (Bad file descriptor) [pid 5100] close(10) = -1 EBADF (Bad file descriptor) [pid 5100] close(11) = -1 EBADF (Bad file descriptor) [pid 5100] close(12) = -1 EBADF (Bad file descriptor) [pid 5100] close(13) = -1 EBADF (Bad file descriptor) [pid 5100] close(14) = -1 EBADF (Bad file descriptor) [pid 5100] close(15) = -1 EBADF (Bad file descriptor) [pid 5100] close(16) = -1 EBADF (Bad file descriptor) [pid 5100] close(17) = -1 EBADF (Bad file descriptor) [pid 5100] close(18) = -1 EBADF (Bad file descriptor) [pid 5100] close(19) = -1 EBADF (Bad file descriptor) [pid 5100] close(20) = -1 EBADF (Bad file descriptor) [pid 5100] close(21) = -1 EBADF (Bad file descriptor) [pid 5100] close(22) = -1 EBADF (Bad file descriptor) [pid 5100] close(23) = -1 EBADF (Bad file descriptor) [pid 5100] close(24) = -1 EBADF (Bad file descriptor) [pid 5100] close(25) = -1 EBADF (Bad file descriptor) [pid 5100] close(26) = -1 EBADF (Bad file descriptor) [pid 5100] close(27) = -1 EBADF (Bad file descriptor) [pid 5100] close(28) = -1 EBADF (Bad file descriptor) [pid 5100] close(29) = -1 EBADF (Bad file descriptor) [pid 5100] exit_group(0) = ? [pid 5100] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./93/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./93/cgroup.cpu") = 0 [pid 5005] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./93/binderfs") = 0 [pid 5005] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./93/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./93/cgroup") = 0 [pid 5005] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./93/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./93/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./93") = 0 [pid 5005] mkdir("./94", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached [pid 5101] chdir("./94") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 96 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5101] setpgid(0, 0) = 0 [pid 5101] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5101] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5101] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1000", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5101] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5101] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5101] openat(3, "freezer.state", O_RDWR) = 4 [pid 5101] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5101] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5101] close(3) = 0 [pid 5101] close(4) = 0 [pid 5101] close(5) = -1 EBADF (Bad file descriptor) [pid 5101] close(6) = -1 EBADF (Bad file descriptor) [pid 5101] close(7) = -1 EBADF (Bad file descriptor) [pid 5101] close(8) = -1 EBADF (Bad file descriptor) [pid 5101] close(9) = -1 EBADF (Bad file descriptor) [pid 5101] close(10) = -1 EBADF (Bad file descriptor) [pid 5101] close(11) = -1 EBADF (Bad file descriptor) [pid 5101] close(12) = -1 EBADF (Bad file descriptor) [pid 5101] close(13) = -1 EBADF (Bad file descriptor) [pid 5101] close(14) = -1 EBADF (Bad file descriptor) [pid 5101] close(15) = -1 EBADF (Bad file descriptor) [pid 5101] close(16) = -1 EBADF (Bad file descriptor) [pid 5101] close(17) = -1 EBADF (Bad file descriptor) [pid 5101] close(18) = -1 EBADF (Bad file descriptor) [pid 5101] close(19) = -1 EBADF (Bad file descriptor) [pid 5101] close(20) = -1 EBADF (Bad file descriptor) [pid 5101] close(21) = -1 EBADF (Bad file descriptor) [pid 5101] close(22) = -1 EBADF (Bad file descriptor) [pid 5101] close(23) = -1 EBADF (Bad file descriptor) [pid 5101] close(24) = -1 EBADF (Bad file descriptor) [pid 5101] close(25) = -1 EBADF (Bad file descriptor) [pid 5101] close(26) = -1 EBADF (Bad file descriptor) [pid 5101] close(27) = -1 EBADF (Bad file descriptor) [pid 5101] close(28) = -1 EBADF (Bad file descriptor) [pid 5101] close(29) = -1 EBADF (Bad file descriptor) [pid 5101] exit_group(0) = ? [pid 5101] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./94/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./94/cgroup.cpu") = 0 [pid 5005] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./94/binderfs") = 0 [pid 5005] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./94/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./94/cgroup") = 0 [pid 5005] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./94/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./94/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./94") = 0 [pid 5005] mkdir("./95", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached , child_tidptr=0x5555570a35d0) = 97 [pid 5102] chdir("./95") = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5102] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5102] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5102] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5102] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5102] openat(3, "freezer.state", O_RDWR) = 4 [pid 5102] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5102] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5102] close(3) = 0 [pid 5102] close(4) = 0 [pid 5102] close(5) = -1 EBADF (Bad file descriptor) [pid 5102] close(6) = -1 EBADF (Bad file descriptor) [pid 5102] close(7) = -1 EBADF (Bad file descriptor) [pid 5102] close(8) = -1 EBADF (Bad file descriptor) [pid 5102] close(9) = -1 EBADF (Bad file descriptor) [pid 5102] close(10) = -1 EBADF (Bad file descriptor) [pid 5102] close(11) = -1 EBADF (Bad file descriptor) [pid 5102] close(12) = -1 EBADF (Bad file descriptor) [pid 5102] close(13) = -1 EBADF (Bad file descriptor) [pid 5102] close(14) = -1 EBADF (Bad file descriptor) [pid 5102] close(15) = -1 EBADF (Bad file descriptor) [pid 5102] close(16) = -1 EBADF (Bad file descriptor) [pid 5102] close(17) = -1 EBADF (Bad file descriptor) [pid 5102] close(18) = -1 EBADF (Bad file descriptor) [pid 5102] close(19) = -1 EBADF (Bad file descriptor) [pid 5102] close(20) = -1 EBADF (Bad file descriptor) [pid 5102] close(21) = -1 EBADF (Bad file descriptor) [pid 5102] close(22) = -1 EBADF (Bad file descriptor) [pid 5102] close(23) = -1 EBADF (Bad file descriptor) [pid 5102] close(24) = -1 EBADF (Bad file descriptor) [pid 5102] close(25) = -1 EBADF (Bad file descriptor) [pid 5102] close(26) = -1 EBADF (Bad file descriptor) [pid 5102] close(27) = -1 EBADF (Bad file descriptor) [pid 5102] close(28) = -1 EBADF (Bad file descriptor) [pid 5102] close(29) = -1 EBADF (Bad file descriptor) [pid 5102] exit_group(0) = ? [pid 5102] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./95/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./95/cgroup.cpu") = 0 [pid 5005] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./95/binderfs") = 0 [pid 5005] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./95/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./95/cgroup") = 0 [pid 5005] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./95/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./95/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./95") = 0 [pid 5005] mkdir("./96", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached [pid 5103] chdir("./96") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 98 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5103] setpgid(0, 0) = 0 [pid 5103] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5103] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5103] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5103] write(3, "1000", 4) = 4 [pid 5103] close(3) = 0 [pid 5103] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5103] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5103] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5103] openat(3, "freezer.state", O_RDWR) = 4 [pid 5103] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5103] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5103] close(3) = 0 [pid 5103] close(4) = 0 [pid 5103] close(5) = -1 EBADF (Bad file descriptor) [pid 5103] close(6) = -1 EBADF (Bad file descriptor) [pid 5103] close(7) = -1 EBADF (Bad file descriptor) [pid 5103] close(8) = -1 EBADF (Bad file descriptor) [pid 5103] close(9) = -1 EBADF (Bad file descriptor) [pid 5103] close(10) = -1 EBADF (Bad file descriptor) [pid 5103] close(11) = -1 EBADF (Bad file descriptor) [pid 5103] close(12) = -1 EBADF (Bad file descriptor) [pid 5103] close(13) = -1 EBADF (Bad file descriptor) [pid 5103] close(14) = -1 EBADF (Bad file descriptor) [pid 5103] close(15) = -1 EBADF (Bad file descriptor) [pid 5103] close(16) = -1 EBADF (Bad file descriptor) [pid 5103] close(17) = -1 EBADF (Bad file descriptor) [pid 5103] close(18) = -1 EBADF (Bad file descriptor) [pid 5103] close(19) = -1 EBADF (Bad file descriptor) [pid 5103] close(20) = -1 EBADF (Bad file descriptor) [pid 5103] close(21) = -1 EBADF (Bad file descriptor) [pid 5103] close(22) = -1 EBADF (Bad file descriptor) [pid 5103] close(23) = -1 EBADF (Bad file descriptor) [pid 5103] close(24) = -1 EBADF (Bad file descriptor) [pid 5103] close(25) = -1 EBADF (Bad file descriptor) [pid 5103] close(26) = -1 EBADF (Bad file descriptor) [pid 5103] close(27) = -1 EBADF (Bad file descriptor) [pid 5103] close(28) = -1 EBADF (Bad file descriptor) [pid 5103] close(29) = -1 EBADF (Bad file descriptor) [pid 5103] exit_group(0) = ? [pid 5103] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./96/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./96/cgroup.cpu") = 0 [pid 5005] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./96/binderfs") = 0 [pid 5005] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./96/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./96/cgroup") = 0 [pid 5005] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./96/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./96/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./96") = 0 [pid 5005] mkdir("./97", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached [pid 5104] chdir("./97") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 99 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5104] setpgid(0, 0) = 0 [pid 5104] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5104] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5104] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5104] close(3) = 0 [pid 5104] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5104] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5104] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5104] openat(3, "freezer.state", O_RDWR) = 4 [pid 5104] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5104] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5104] close(3) = 0 [pid 5104] close(4) = 0 [pid 5104] close(5) = -1 EBADF (Bad file descriptor) [pid 5104] close(6) = -1 EBADF (Bad file descriptor) [pid 5104] close(7) = -1 EBADF (Bad file descriptor) [pid 5104] close(8) = -1 EBADF (Bad file descriptor) [pid 5104] close(9) = -1 EBADF (Bad file descriptor) [pid 5104] close(10) = -1 EBADF (Bad file descriptor) [pid 5104] close(11) = -1 EBADF (Bad file descriptor) [pid 5104] close(12) = -1 EBADF (Bad file descriptor) [pid 5104] close(13) = -1 EBADF (Bad file descriptor) [pid 5104] close(14) = -1 EBADF (Bad file descriptor) [pid 5104] close(15) = -1 EBADF (Bad file descriptor) [pid 5104] close(16) = -1 EBADF (Bad file descriptor) [pid 5104] close(17) = -1 EBADF (Bad file descriptor) [pid 5104] close(18) = -1 EBADF (Bad file descriptor) [pid 5104] close(19) = -1 EBADF (Bad file descriptor) [pid 5104] close(20) = -1 EBADF (Bad file descriptor) [pid 5104] close(21) = -1 EBADF (Bad file descriptor) [pid 5104] close(22) = -1 EBADF (Bad file descriptor) [pid 5104] close(23) = -1 EBADF (Bad file descriptor) [pid 5104] close(24) = -1 EBADF (Bad file descriptor) [pid 5104] close(25) = -1 EBADF (Bad file descriptor) [pid 5104] close(26) = -1 EBADF (Bad file descriptor) [pid 5104] close(27) = -1 EBADF (Bad file descriptor) [pid 5104] close(28) = -1 EBADF (Bad file descriptor) [pid 5104] close(29) = -1 EBADF (Bad file descriptor) [pid 5104] exit_group(0) = ? [pid 5104] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./97/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./97/cgroup.cpu") = 0 [pid 5005] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./97/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./97/binderfs") = 0 [pid 5005] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./97/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./97/cgroup") = 0 [pid 5005] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./97/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./97/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./97") = 0 [pid 5005] mkdir("./98", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached [pid 5105] chdir("./98") = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0) = 0 [pid 5105] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 100 [pid 5105] <... symlink resumed>) = 0 [pid 5105] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5105] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5105] write(3, "1000", 4) = 4 [pid 5105] close(3) = 0 [pid 5105] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5105] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5105] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5105] openat(3, "freezer.state", O_RDWR) = 4 [pid 5105] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5105] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5105] close(3) = 0 [pid 5105] close(4) = 0 [pid 5105] close(5) = -1 EBADF (Bad file descriptor) [pid 5105] close(6) = -1 EBADF (Bad file descriptor) [pid 5105] close(7) = -1 EBADF (Bad file descriptor) [pid 5105] close(8) = -1 EBADF (Bad file descriptor) [pid 5105] close(9) = -1 EBADF (Bad file descriptor) [pid 5105] close(10) = -1 EBADF (Bad file descriptor) [pid 5105] close(11) = -1 EBADF (Bad file descriptor) [pid 5105] close(12) = -1 EBADF (Bad file descriptor) [pid 5105] close(13) = -1 EBADF (Bad file descriptor) [pid 5105] close(14) = -1 EBADF (Bad file descriptor) [pid 5105] close(15) = -1 EBADF (Bad file descriptor) [pid 5105] close(16) = -1 EBADF (Bad file descriptor) [pid 5105] close(17) = -1 EBADF (Bad file descriptor) [pid 5105] close(18) = -1 EBADF (Bad file descriptor) [pid 5105] close(19) = -1 EBADF (Bad file descriptor) [pid 5105] close(20) = -1 EBADF (Bad file descriptor) [pid 5105] close(21) = -1 EBADF (Bad file descriptor) [pid 5105] close(22) = -1 EBADF (Bad file descriptor) [pid 5105] close(23) = -1 EBADF (Bad file descriptor) [pid 5105] close(24) = -1 EBADF (Bad file descriptor) [pid 5105] close(25) = -1 EBADF (Bad file descriptor) [pid 5105] close(26) = -1 EBADF (Bad file descriptor) [pid 5105] close(27) = -1 EBADF (Bad file descriptor) [pid 5105] close(28) = -1 EBADF (Bad file descriptor) [pid 5105] close(29) = -1 EBADF (Bad file descriptor) [pid 5105] exit_group(0) = ? [pid 5105] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./98/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./98/cgroup.cpu") = 0 [pid 5005] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./98/binderfs") = 0 [pid 5005] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./98/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./98/cgroup") = 0 [pid 5005] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./98/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./98/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./98") = 0 [pid 5005] mkdir("./99", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5106 attached [pid 5106] chdir("./99") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 101 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5106] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5106] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5106] write(3, "1000", 4) = 4 [pid 5106] close(3) = 0 [pid 5106] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5106] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5106] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5106] openat(3, "freezer.state", O_RDWR) = 4 [pid 5106] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5106] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5106] close(3) = 0 [pid 5106] close(4) = 0 [pid 5106] close(5) = -1 EBADF (Bad file descriptor) [pid 5106] close(6) = -1 EBADF (Bad file descriptor) [pid 5106] close(7) = -1 EBADF (Bad file descriptor) [pid 5106] close(8) = -1 EBADF (Bad file descriptor) [pid 5106] close(9) = -1 EBADF (Bad file descriptor) [pid 5106] close(10) = -1 EBADF (Bad file descriptor) [pid 5106] close(11) = -1 EBADF (Bad file descriptor) [pid 5106] close(12) = -1 EBADF (Bad file descriptor) [pid 5106] close(13) = -1 EBADF (Bad file descriptor) [pid 5106] close(14) = -1 EBADF (Bad file descriptor) [pid 5106] close(15) = -1 EBADF (Bad file descriptor) [pid 5106] close(16) = -1 EBADF (Bad file descriptor) [pid 5106] close(17) = -1 EBADF (Bad file descriptor) [pid 5106] close(18) = -1 EBADF (Bad file descriptor) [pid 5106] close(19) = -1 EBADF (Bad file descriptor) [pid 5106] close(20) = -1 EBADF (Bad file descriptor) [pid 5106] close(21) = -1 EBADF (Bad file descriptor) [pid 5106] close(22) = -1 EBADF (Bad file descriptor) [pid 5106] close(23) = -1 EBADF (Bad file descriptor) [pid 5106] close(24) = -1 EBADF (Bad file descriptor) [pid 5106] close(25) = -1 EBADF (Bad file descriptor) [pid 5106] close(26) = -1 EBADF (Bad file descriptor) [pid 5106] close(27) = -1 EBADF (Bad file descriptor) [pid 5106] close(28) = -1 EBADF (Bad file descriptor) [pid 5106] close(29) = -1 EBADF (Bad file descriptor) [pid 5106] exit_group(0) = ? [pid 5106] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./99/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./99/cgroup.cpu") = 0 [pid 5005] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./99/binderfs") = 0 [pid 5005] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./99/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./99/cgroup") = 0 [pid 5005] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./99/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./99/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./99") = 0 [pid 5005] mkdir("./100", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached [pid 5107] chdir("./100") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 102 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5107] setpgid(0, 0) = 0 [pid 5107] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5107] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5107] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5107] write(3, "1000", 4) = 4 [pid 5107] close(3) = 0 [pid 5107] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5107] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5107] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5107] openat(3, "freezer.state", O_RDWR) = 4 [pid 5107] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5107] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5107] close(3) = 0 [pid 5107] close(4) = 0 [pid 5107] close(5) = -1 EBADF (Bad file descriptor) [pid 5107] close(6) = -1 EBADF (Bad file descriptor) [pid 5107] close(7) = -1 EBADF (Bad file descriptor) [pid 5107] close(8) = -1 EBADF (Bad file descriptor) [pid 5107] close(9) = -1 EBADF (Bad file descriptor) [pid 5107] close(10) = -1 EBADF (Bad file descriptor) [pid 5107] close(11) = -1 EBADF (Bad file descriptor) [pid 5107] close(12) = -1 EBADF (Bad file descriptor) [pid 5107] close(13) = -1 EBADF (Bad file descriptor) [pid 5107] close(14) = -1 EBADF (Bad file descriptor) [pid 5107] close(15) = -1 EBADF (Bad file descriptor) [pid 5107] close(16) = -1 EBADF (Bad file descriptor) [pid 5107] close(17) = -1 EBADF (Bad file descriptor) [pid 5107] close(18) = -1 EBADF (Bad file descriptor) [pid 5107] close(19) = -1 EBADF (Bad file descriptor) [pid 5107] close(20) = -1 EBADF (Bad file descriptor) [pid 5107] close(21) = -1 EBADF (Bad file descriptor) [pid 5107] close(22) = -1 EBADF (Bad file descriptor) [pid 5107] close(23) = -1 EBADF (Bad file descriptor) [pid 5107] close(24) = -1 EBADF (Bad file descriptor) [pid 5107] close(25) = -1 EBADF (Bad file descriptor) [pid 5107] close(26) = -1 EBADF (Bad file descriptor) [pid 5107] close(27) = -1 EBADF (Bad file descriptor) [pid 5107] close(28) = -1 EBADF (Bad file descriptor) [pid 5107] close(29) = -1 EBADF (Bad file descriptor) [pid 5107] exit_group(0) = ? [pid 5107] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./100/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./100/cgroup.cpu") = 0 [pid 5005] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./100/binderfs") = 0 [pid 5005] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./100/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./100/cgroup") = 0 [pid 5005] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./100/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./100/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./100") = 0 [pid 5005] mkdir("./101", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached [pid 5108] chdir("./101") = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] setpgid(0, 0) = 0 [pid 5108] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 103 [pid 5108] <... symlink resumed>) = 0 [pid 5108] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5108] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5108] write(3, "1000", 4) = 4 [pid 5108] close(3) = 0 [pid 5108] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5108] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5108] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5108] openat(3, "freezer.state", O_RDWR) = 4 [pid 5108] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5108] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5108] close(3) = 0 [pid 5108] close(4) = 0 [pid 5108] close(5) = -1 EBADF (Bad file descriptor) [pid 5108] close(6) = -1 EBADF (Bad file descriptor) [pid 5108] close(7) = -1 EBADF (Bad file descriptor) [pid 5108] close(8) = -1 EBADF (Bad file descriptor) [pid 5108] close(9) = -1 EBADF (Bad file descriptor) [pid 5108] close(10) = -1 EBADF (Bad file descriptor) [pid 5108] close(11) = -1 EBADF (Bad file descriptor) [pid 5108] close(12) = -1 EBADF (Bad file descriptor) [pid 5108] close(13) = -1 EBADF (Bad file descriptor) [pid 5108] close(14) = -1 EBADF (Bad file descriptor) [pid 5108] close(15) = -1 EBADF (Bad file descriptor) [pid 5108] close(16) = -1 EBADF (Bad file descriptor) [pid 5108] close(17) = -1 EBADF (Bad file descriptor) [pid 5108] close(18) = -1 EBADF (Bad file descriptor) [pid 5108] close(19) = -1 EBADF (Bad file descriptor) [pid 5108] close(20) = -1 EBADF (Bad file descriptor) [pid 5108] close(21) = -1 EBADF (Bad file descriptor) [pid 5108] close(22) = -1 EBADF (Bad file descriptor) [pid 5108] close(23) = -1 EBADF (Bad file descriptor) [pid 5108] close(24) = -1 EBADF (Bad file descriptor) [pid 5108] close(25) = -1 EBADF (Bad file descriptor) [pid 5108] close(26) = -1 EBADF (Bad file descriptor) [pid 5108] close(27) = -1 EBADF (Bad file descriptor) [pid 5108] close(28) = -1 EBADF (Bad file descriptor) [pid 5108] close(29) = -1 EBADF (Bad file descriptor) [pid 5108] exit_group(0) = ? [pid 5108] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./101/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./101/cgroup.cpu") = 0 [pid 5005] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./101/binderfs") = 0 [pid 5005] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./101/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./101/cgroup") = 0 [pid 5005] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./101/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./101/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./101") = 0 [pid 5005] mkdir("./102", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached [pid 5109] chdir("./102") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 104 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5109] setpgid(0, 0) = 0 [pid 5109] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5109] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5109] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5109] write(3, "1000", 4) = 4 [pid 5109] close(3) = 0 [pid 5109] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5109] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5109] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5109] openat(3, "freezer.state", O_RDWR) = 4 [pid 5109] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5109] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5109] close(3) = 0 [pid 5109] close(4) = 0 [pid 5109] close(5) = -1 EBADF (Bad file descriptor) [pid 5109] close(6) = -1 EBADF (Bad file descriptor) [pid 5109] close(7) = -1 EBADF (Bad file descriptor) [pid 5109] close(8) = -1 EBADF (Bad file descriptor) [pid 5109] close(9) = -1 EBADF (Bad file descriptor) [pid 5109] close(10) = -1 EBADF (Bad file descriptor) [pid 5109] close(11) = -1 EBADF (Bad file descriptor) [pid 5109] close(12) = -1 EBADF (Bad file descriptor) [pid 5109] close(13) = -1 EBADF (Bad file descriptor) [pid 5109] close(14) = -1 EBADF (Bad file descriptor) [pid 5109] close(15) = -1 EBADF (Bad file descriptor) [pid 5109] close(16) = -1 EBADF (Bad file descriptor) [pid 5109] close(17) = -1 EBADF (Bad file descriptor) [pid 5109] close(18) = -1 EBADF (Bad file descriptor) [pid 5109] close(19) = -1 EBADF (Bad file descriptor) [pid 5109] close(20) = -1 EBADF (Bad file descriptor) [pid 5109] close(21) = -1 EBADF (Bad file descriptor) [pid 5109] close(22) = -1 EBADF (Bad file descriptor) [pid 5109] close(23) = -1 EBADF (Bad file descriptor) [pid 5109] close(24) = -1 EBADF (Bad file descriptor) [pid 5109] close(25) = -1 EBADF (Bad file descriptor) [pid 5109] close(26) = -1 EBADF (Bad file descriptor) [pid 5109] close(27) = -1 EBADF (Bad file descriptor) [pid 5109] close(28) = -1 EBADF (Bad file descriptor) [pid 5109] close(29) = -1 EBADF (Bad file descriptor) [pid 5109] exit_group(0) = ? [pid 5109] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./102/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./102/cgroup.cpu") = 0 [pid 5005] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./102/binderfs") = 0 [pid 5005] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./102/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./102/cgroup") = 0 [pid 5005] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./102/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./102/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./102") = 0 [pid 5005] mkdir("./103", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached [pid 5110] chdir("./103") = 0 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 105 [pid 5110] <... prctl resumed>) = 0 [pid 5110] setpgid(0, 0) = 0 [pid 5110] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5110] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5110] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5110] write(3, "1000", 4) = 4 [pid 5110] close(3) = 0 [pid 5110] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5110] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5110] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5110] openat(3, "freezer.state", O_RDWR) = 4 [pid 5110] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5110] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5110] close(3) = 0 [pid 5110] close(4) = 0 [pid 5110] close(5) = -1 EBADF (Bad file descriptor) [pid 5110] close(6) = -1 EBADF (Bad file descriptor) [pid 5110] close(7) = -1 EBADF (Bad file descriptor) [pid 5110] close(8) = -1 EBADF (Bad file descriptor) [pid 5110] close(9) = -1 EBADF (Bad file descriptor) [pid 5110] close(10) = -1 EBADF (Bad file descriptor) [pid 5110] close(11) = -1 EBADF (Bad file descriptor) [pid 5110] close(12) = -1 EBADF (Bad file descriptor) [pid 5110] close(13) = -1 EBADF (Bad file descriptor) [pid 5110] close(14) = -1 EBADF (Bad file descriptor) [pid 5110] close(15) = -1 EBADF (Bad file descriptor) [pid 5110] close(16) = -1 EBADF (Bad file descriptor) [pid 5110] close(17) = -1 EBADF (Bad file descriptor) [pid 5110] close(18) = -1 EBADF (Bad file descriptor) [pid 5110] close(19) = -1 EBADF (Bad file descriptor) [pid 5110] close(20) = -1 EBADF (Bad file descriptor) [pid 5110] close(21) = -1 EBADF (Bad file descriptor) [pid 5110] close(22) = -1 EBADF (Bad file descriptor) [pid 5110] close(23) = -1 EBADF (Bad file descriptor) [pid 5110] close(24) = -1 EBADF (Bad file descriptor) [pid 5110] close(25) = -1 EBADF (Bad file descriptor) [pid 5110] close(26) = -1 EBADF (Bad file descriptor) [pid 5110] close(27) = -1 EBADF (Bad file descriptor) [pid 5110] close(28) = -1 EBADF (Bad file descriptor) [pid 5110] close(29) = -1 EBADF (Bad file descriptor) [pid 5110] exit_group(0) = ? [pid 5110] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./103/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./103/cgroup.cpu") = 0 [pid 5005] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./103/binderfs") = 0 [pid 5005] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./103/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./103/cgroup") = 0 [pid 5005] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./103/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./103/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./103") = 0 [pid 5005] mkdir("./104", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached [pid 5111] chdir("./104") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 106 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5111] setpgid(0, 0) = 0 [pid 5111] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5111] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5111] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5111] write(3, "1000", 4) = 4 [pid 5111] close(3) = 0 [pid 5111] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5111] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5111] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5111] openat(3, "freezer.state", O_RDWR) = 4 [pid 5111] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5111] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5111] close(3) = 0 [pid 5111] close(4) = 0 [pid 5111] close(5) = -1 EBADF (Bad file descriptor) [pid 5111] close(6) = -1 EBADF (Bad file descriptor) [pid 5111] close(7) = -1 EBADF (Bad file descriptor) [pid 5111] close(8) = -1 EBADF (Bad file descriptor) [pid 5111] close(9) = -1 EBADF (Bad file descriptor) [pid 5111] close(10) = -1 EBADF (Bad file descriptor) [pid 5111] close(11) = -1 EBADF (Bad file descriptor) [pid 5111] close(12) = -1 EBADF (Bad file descriptor) [pid 5111] close(13) = -1 EBADF (Bad file descriptor) [pid 5111] close(14) = -1 EBADF (Bad file descriptor) [pid 5111] close(15) = -1 EBADF (Bad file descriptor) [pid 5111] close(16) = -1 EBADF (Bad file descriptor) [pid 5111] close(17) = -1 EBADF (Bad file descriptor) [pid 5111] close(18) = -1 EBADF (Bad file descriptor) [pid 5111] close(19) = -1 EBADF (Bad file descriptor) [pid 5111] close(20) = -1 EBADF (Bad file descriptor) [pid 5111] close(21) = -1 EBADF (Bad file descriptor) [pid 5111] close(22) = -1 EBADF (Bad file descriptor) [pid 5111] close(23) = -1 EBADF (Bad file descriptor) [pid 5111] close(24) = -1 EBADF (Bad file descriptor) [pid 5111] close(25) = -1 EBADF (Bad file descriptor) [pid 5111] close(26) = -1 EBADF (Bad file descriptor) [pid 5111] close(27) = -1 EBADF (Bad file descriptor) [pid 5111] close(28) = -1 EBADF (Bad file descriptor) [pid 5111] close(29) = -1 EBADF (Bad file descriptor) [pid 5111] exit_group(0) = ? [pid 5111] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./104/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./104/cgroup.cpu") = 0 [pid 5005] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./104/binderfs") = 0 [pid 5005] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./104/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./104/cgroup") = 0 [pid 5005] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./104/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./104/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./104") = 0 [pid 5005] mkdir("./105", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached , child_tidptr=0x5555570a35d0) = 107 [pid 5112] chdir("./105") = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5112] setpgid(0, 0) = 0 [pid 5112] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5112] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5112] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5112] write(3, "1000", 4) = 4 [pid 5112] close(3) = 0 [pid 5112] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5112] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5112] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5112] openat(3, "freezer.state", O_RDWR) = 4 [pid 5112] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5112] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5112] close(3) = 0 [pid 5112] close(4) = 0 [pid 5112] close(5) = -1 EBADF (Bad file descriptor) [pid 5112] close(6) = -1 EBADF (Bad file descriptor) [pid 5112] close(7) = -1 EBADF (Bad file descriptor) [pid 5112] close(8) = -1 EBADF (Bad file descriptor) [pid 5112] close(9) = -1 EBADF (Bad file descriptor) [pid 5112] close(10) = -1 EBADF (Bad file descriptor) [pid 5112] close(11) = -1 EBADF (Bad file descriptor) [pid 5112] close(12) = -1 EBADF (Bad file descriptor) [pid 5112] close(13) = -1 EBADF (Bad file descriptor) [pid 5112] close(14) = -1 EBADF (Bad file descriptor) [pid 5112] close(15) = -1 EBADF (Bad file descriptor) [pid 5112] close(16) = -1 EBADF (Bad file descriptor) [pid 5112] close(17) = -1 EBADF (Bad file descriptor) [pid 5112] close(18) = -1 EBADF (Bad file descriptor) [pid 5112] close(19) = -1 EBADF (Bad file descriptor) [pid 5112] close(20) = -1 EBADF (Bad file descriptor) [pid 5112] close(21) = -1 EBADF (Bad file descriptor) [pid 5112] close(22) = -1 EBADF (Bad file descriptor) [pid 5112] close(23) = -1 EBADF (Bad file descriptor) [pid 5112] close(24) = -1 EBADF (Bad file descriptor) [pid 5112] close(25) = -1 EBADF (Bad file descriptor) [pid 5112] close(26) = -1 EBADF (Bad file descriptor) [pid 5112] close(27) = -1 EBADF (Bad file descriptor) [pid 5112] close(28) = -1 EBADF (Bad file descriptor) [pid 5112] close(29) = -1 EBADF (Bad file descriptor) [pid 5112] exit_group(0) = ? [pid 5112] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./105/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./105/cgroup.cpu") = 0 [pid 5005] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./105/binderfs") = 0 [pid 5005] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./105/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./105/cgroup") = 0 [pid 5005] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./105/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./105/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./105") = 0 [pid 5005] mkdir("./106", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5113 attached , child_tidptr=0x5555570a35d0) = 108 [pid 5113] chdir("./106") = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5113] setpgid(0, 0) = 0 [pid 5113] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5113] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5113] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5113] write(3, "1000", 4) = 4 [pid 5113] close(3) = 0 [pid 5113] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5113] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5113] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5113] openat(3, "freezer.state", O_RDWR) = 4 [pid 5113] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5113] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5113] close(3) = 0 [pid 5113] close(4) = 0 [pid 5113] close(5) = -1 EBADF (Bad file descriptor) [pid 5113] close(6) = -1 EBADF (Bad file descriptor) [pid 5113] close(7) = -1 EBADF (Bad file descriptor) [pid 5113] close(8) = -1 EBADF (Bad file descriptor) [pid 5113] close(9) = -1 EBADF (Bad file descriptor) [pid 5113] close(10) = -1 EBADF (Bad file descriptor) [pid 5113] close(11) = -1 EBADF (Bad file descriptor) [pid 5113] close(12) = -1 EBADF (Bad file descriptor) [pid 5113] close(13) = -1 EBADF (Bad file descriptor) [pid 5113] close(14) = -1 EBADF (Bad file descriptor) [pid 5113] close(15) = -1 EBADF (Bad file descriptor) [pid 5113] close(16) = -1 EBADF (Bad file descriptor) [pid 5113] close(17) = -1 EBADF (Bad file descriptor) [pid 5113] close(18) = -1 EBADF (Bad file descriptor) [pid 5113] close(19) = -1 EBADF (Bad file descriptor) [pid 5113] close(20) = -1 EBADF (Bad file descriptor) [pid 5113] close(21) = -1 EBADF (Bad file descriptor) [pid 5113] close(22) = -1 EBADF (Bad file descriptor) [pid 5113] close(23) = -1 EBADF (Bad file descriptor) [pid 5113] close(24) = -1 EBADF (Bad file descriptor) [pid 5113] close(25) = -1 EBADF (Bad file descriptor) [pid 5113] close(26) = -1 EBADF (Bad file descriptor) [pid 5113] close(27) = -1 EBADF (Bad file descriptor) [pid 5113] close(28) = -1 EBADF (Bad file descriptor) [pid 5113] close(29) = -1 EBADF (Bad file descriptor) [pid 5113] exit_group(0) = ? [pid 5113] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./106/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./106/cgroup.cpu") = 0 [pid 5005] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./106/binderfs") = 0 [pid 5005] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./106/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./106/cgroup") = 0 [pid 5005] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./106/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./106/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./106") = 0 [pid 5005] mkdir("./107", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached [pid 5114] chdir("./107") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 109 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5114] setpgid(0, 0) = 0 [pid 5114] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5114] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5114] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5114] write(3, "1000", 4) = 4 [pid 5114] close(3) = 0 [pid 5114] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5114] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5114] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5114] openat(3, "freezer.state", O_RDWR) = 4 [pid 5114] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5114] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5114] close(3) = 0 [pid 5114] close(4) = 0 [pid 5114] close(5) = -1 EBADF (Bad file descriptor) [pid 5114] close(6) = -1 EBADF (Bad file descriptor) [pid 5114] close(7) = -1 EBADF (Bad file descriptor) [pid 5114] close(8) = -1 EBADF (Bad file descriptor) [pid 5114] close(9) = -1 EBADF (Bad file descriptor) [pid 5114] close(10) = -1 EBADF (Bad file descriptor) [pid 5114] close(11) = -1 EBADF (Bad file descriptor) [pid 5114] close(12) = -1 EBADF (Bad file descriptor) [pid 5114] close(13) = -1 EBADF (Bad file descriptor) [pid 5114] close(14) = -1 EBADF (Bad file descriptor) [pid 5114] close(15) = -1 EBADF (Bad file descriptor) [pid 5114] close(16) = -1 EBADF (Bad file descriptor) [pid 5114] close(17) = -1 EBADF (Bad file descriptor) [pid 5114] close(18) = -1 EBADF (Bad file descriptor) [pid 5114] close(19) = -1 EBADF (Bad file descriptor) [pid 5114] close(20) = -1 EBADF (Bad file descriptor) [pid 5114] close(21) = -1 EBADF (Bad file descriptor) [pid 5114] close(22) = -1 EBADF (Bad file descriptor) [pid 5114] close(23) = -1 EBADF (Bad file descriptor) [pid 5114] close(24) = -1 EBADF (Bad file descriptor) [pid 5114] close(25) = -1 EBADF (Bad file descriptor) [pid 5114] close(26) = -1 EBADF (Bad file descriptor) [pid 5114] close(27) = -1 EBADF (Bad file descriptor) [pid 5114] close(28) = -1 EBADF (Bad file descriptor) [pid 5114] close(29) = -1 EBADF (Bad file descriptor) [pid 5114] exit_group(0) = ? [pid 5114] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./107/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./107/cgroup.cpu") = 0 [pid 5005] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./107/binderfs") = 0 [pid 5005] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./107/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./107/cgroup") = 0 [pid 5005] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./107/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./107/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./107") = 0 [pid 5005] mkdir("./108", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 110 ./strace-static-x86_64: Process 5115 attached [pid 5115] chdir("./108") = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5115] setpgid(0, 0) = 0 [pid 5115] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5115] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5115] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5115] write(3, "1000", 4) = 4 [pid 5115] close(3) = 0 [pid 5115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5115] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5115] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5115] openat(3, "freezer.state", O_RDWR) = 4 [pid 5115] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5115] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5115] close(3) = 0 [pid 5115] close(4) = 0 [pid 5115] close(5) = -1 EBADF (Bad file descriptor) [pid 5115] close(6) = -1 EBADF (Bad file descriptor) [pid 5115] close(7) = -1 EBADF (Bad file descriptor) [pid 5115] close(8) = -1 EBADF (Bad file descriptor) [pid 5115] close(9) = -1 EBADF (Bad file descriptor) [pid 5115] close(10) = -1 EBADF (Bad file descriptor) [pid 5115] close(11) = -1 EBADF (Bad file descriptor) [pid 5115] close(12) = -1 EBADF (Bad file descriptor) [pid 5115] close(13) = -1 EBADF (Bad file descriptor) [pid 5115] close(14) = -1 EBADF (Bad file descriptor) [pid 5115] close(15) = -1 EBADF (Bad file descriptor) [pid 5115] close(16) = -1 EBADF (Bad file descriptor) [pid 5115] close(17) = -1 EBADF (Bad file descriptor) [pid 5115] close(18) = -1 EBADF (Bad file descriptor) [pid 5115] close(19) = -1 EBADF (Bad file descriptor) [pid 5115] close(20) = -1 EBADF (Bad file descriptor) [pid 5115] close(21) = -1 EBADF (Bad file descriptor) [pid 5115] close(22) = -1 EBADF (Bad file descriptor) [pid 5115] close(23) = -1 EBADF (Bad file descriptor) [pid 5115] close(24) = -1 EBADF (Bad file descriptor) [pid 5115] close(25) = -1 EBADF (Bad file descriptor) [pid 5115] close(26) = -1 EBADF (Bad file descriptor) [pid 5115] close(27) = -1 EBADF (Bad file descriptor) [pid 5115] close(28) = -1 EBADF (Bad file descriptor) [pid 5115] close(29) = -1 EBADF (Bad file descriptor) [pid 5115] exit_group(0) = ? [pid 5115] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./108/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./108/cgroup.cpu") = 0 [pid 5005] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./108/binderfs") = 0 [pid 5005] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./108/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./108/cgroup") = 0 [pid 5005] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./108/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./108/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./108") = 0 [pid 5005] mkdir("./109", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached , child_tidptr=0x5555570a35d0) = 111 [pid 5116] chdir("./109") = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5116] setpgid(0, 0) = 0 [pid 5116] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5116] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5116] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5116] write(3, "1000", 4) = 4 [pid 5116] close(3) = 0 [pid 5116] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5116] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5116] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5116] openat(3, "freezer.state", O_RDWR) = 4 [pid 5116] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5116] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5116] close(3) = 0 [pid 5116] close(4) = 0 [pid 5116] close(5) = -1 EBADF (Bad file descriptor) [pid 5116] close(6) = -1 EBADF (Bad file descriptor) [pid 5116] close(7) = -1 EBADF (Bad file descriptor) [pid 5116] close(8) = -1 EBADF (Bad file descriptor) [pid 5116] close(9) = -1 EBADF (Bad file descriptor) [pid 5116] close(10) = -1 EBADF (Bad file descriptor) [pid 5116] close(11) = -1 EBADF (Bad file descriptor) [pid 5116] close(12) = -1 EBADF (Bad file descriptor) [pid 5116] close(13) = -1 EBADF (Bad file descriptor) [pid 5116] close(14) = -1 EBADF (Bad file descriptor) [pid 5116] close(15) = -1 EBADF (Bad file descriptor) [pid 5116] close(16) = -1 EBADF (Bad file descriptor) [pid 5116] close(17) = -1 EBADF (Bad file descriptor) [pid 5116] close(18) = -1 EBADF (Bad file descriptor) [pid 5116] close(19) = -1 EBADF (Bad file descriptor) [pid 5116] close(20) = -1 EBADF (Bad file descriptor) [pid 5116] close(21) = -1 EBADF (Bad file descriptor) [pid 5116] close(22) = -1 EBADF (Bad file descriptor) [pid 5116] close(23) = -1 EBADF (Bad file descriptor) [pid 5116] close(24) = -1 EBADF (Bad file descriptor) [pid 5116] close(25) = -1 EBADF (Bad file descriptor) [pid 5116] close(26) = -1 EBADF (Bad file descriptor) [pid 5116] close(27) = -1 EBADF (Bad file descriptor) [pid 5116] close(28) = -1 EBADF (Bad file descriptor) [pid 5116] close(29) = -1 EBADF (Bad file descriptor) [pid 5116] exit_group(0) = ? [pid 5116] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./109/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./109/cgroup.cpu") = 0 [pid 5005] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./109/binderfs") = 0 [pid 5005] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./109/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./109/cgroup") = 0 [pid 5005] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./109/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./109/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./109") = 0 [pid 5005] mkdir("./110", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 112 ./strace-static-x86_64: Process 5117 attached [pid 5117] chdir("./110") = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5117] setpgid(0, 0) = 0 [pid 5117] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5117] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5117] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5117] write(3, "1000", 4) = 4 [pid 5117] close(3) = 0 [pid 5117] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5117] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5117] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5117] openat(3, "freezer.state", O_RDWR) = 4 [pid 5117] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5117] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5117] close(3) = 0 [pid 5117] close(4) = 0 [pid 5117] close(5) = -1 EBADF (Bad file descriptor) [pid 5117] close(6) = -1 EBADF (Bad file descriptor) [pid 5117] close(7) = -1 EBADF (Bad file descriptor) [pid 5117] close(8) = -1 EBADF (Bad file descriptor) [pid 5117] close(9) = -1 EBADF (Bad file descriptor) [pid 5117] close(10) = -1 EBADF (Bad file descriptor) [pid 5117] close(11) = -1 EBADF (Bad file descriptor) [pid 5117] close(12) = -1 EBADF (Bad file descriptor) [pid 5117] close(13) = -1 EBADF (Bad file descriptor) [pid 5117] close(14) = -1 EBADF (Bad file descriptor) [pid 5117] close(15) = -1 EBADF (Bad file descriptor) [pid 5117] close(16) = -1 EBADF (Bad file descriptor) [pid 5117] close(17) = -1 EBADF (Bad file descriptor) [pid 5117] close(18) = -1 EBADF (Bad file descriptor) [pid 5117] close(19) = -1 EBADF (Bad file descriptor) [pid 5117] close(20) = -1 EBADF (Bad file descriptor) [pid 5117] close(21) = -1 EBADF (Bad file descriptor) [pid 5117] close(22) = -1 EBADF (Bad file descriptor) [pid 5117] close(23) = -1 EBADF (Bad file descriptor) [pid 5117] close(24) = -1 EBADF (Bad file descriptor) [pid 5117] close(25) = -1 EBADF (Bad file descriptor) [pid 5117] close(26) = -1 EBADF (Bad file descriptor) [pid 5117] close(27) = -1 EBADF (Bad file descriptor) [pid 5117] close(28) = -1 EBADF (Bad file descriptor) [pid 5117] close(29) = -1 EBADF (Bad file descriptor) [pid 5117] exit_group(0) = ? [pid 5117] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./110/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./110/cgroup.cpu") = 0 [pid 5005] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./110/binderfs") = 0 [pid 5005] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./110/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./110/cgroup") = 0 [pid 5005] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./110/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./110/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./110") = 0 [pid 5005] mkdir("./111", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached [pid 5118] chdir("./111") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 113 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5118] setpgid(0, 0) = 0 [pid 5118] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5118] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5118] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5118] write(3, "1000", 4) = 4 [pid 5118] close(3) = 0 [pid 5118] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5118] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5118] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5118] openat(3, "freezer.state", O_RDWR) = 4 [pid 5118] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5118] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5118] close(3) = 0 [pid 5118] close(4) = 0 [pid 5118] close(5) = -1 EBADF (Bad file descriptor) [pid 5118] close(6) = -1 EBADF (Bad file descriptor) [pid 5118] close(7) = -1 EBADF (Bad file descriptor) [pid 5118] close(8) = -1 EBADF (Bad file descriptor) [pid 5118] close(9) = -1 EBADF (Bad file descriptor) [pid 5118] close(10) = -1 EBADF (Bad file descriptor) [pid 5118] close(11) = -1 EBADF (Bad file descriptor) [pid 5118] close(12) = -1 EBADF (Bad file descriptor) [pid 5118] close(13) = -1 EBADF (Bad file descriptor) [pid 5118] close(14) = -1 EBADF (Bad file descriptor) [pid 5118] close(15) = -1 EBADF (Bad file descriptor) [pid 5118] close(16) = -1 EBADF (Bad file descriptor) [pid 5118] close(17) = -1 EBADF (Bad file descriptor) [pid 5118] close(18) = -1 EBADF (Bad file descriptor) [pid 5118] close(19) = -1 EBADF (Bad file descriptor) [pid 5118] close(20) = -1 EBADF (Bad file descriptor) [pid 5118] close(21) = -1 EBADF (Bad file descriptor) [pid 5118] close(22) = -1 EBADF (Bad file descriptor) [pid 5118] close(23) = -1 EBADF (Bad file descriptor) [pid 5118] close(24) = -1 EBADF (Bad file descriptor) [pid 5118] close(25) = -1 EBADF (Bad file descriptor) [pid 5118] close(26) = -1 EBADF (Bad file descriptor) [pid 5118] close(27) = -1 EBADF (Bad file descriptor) [pid 5118] close(28) = -1 EBADF (Bad file descriptor) [pid 5118] close(29) = -1 EBADF (Bad file descriptor) [pid 5118] exit_group(0) = ? [pid 5118] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./111/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./111/cgroup.cpu") = 0 [pid 5005] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./111/binderfs") = 0 [pid 5005] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./111/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./111/cgroup") = 0 [pid 5005] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./111/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./111/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./111") = 0 [pid 5005] mkdir("./112", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached , child_tidptr=0x5555570a35d0) = 114 [pid 5119] chdir("./112") = 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5119] setpgid(0, 0) = 0 [pid 5119] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5119] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5119] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5119] write(3, "1000", 4) = 4 [pid 5119] close(3) = 0 [pid 5119] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5119] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5119] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5119] openat(3, "freezer.state", O_RDWR) = 4 [pid 5119] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5119] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5119] close(3) = 0 [pid 5119] close(4) = 0 [pid 5119] close(5) = -1 EBADF (Bad file descriptor) [pid 5119] close(6) = -1 EBADF (Bad file descriptor) [pid 5119] close(7) = -1 EBADF (Bad file descriptor) [pid 5119] close(8) = -1 EBADF (Bad file descriptor) [pid 5119] close(9) = -1 EBADF (Bad file descriptor) [pid 5119] close(10) = -1 EBADF (Bad file descriptor) [pid 5119] close(11) = -1 EBADF (Bad file descriptor) [pid 5119] close(12) = -1 EBADF (Bad file descriptor) [pid 5119] close(13) = -1 EBADF (Bad file descriptor) [pid 5119] close(14) = -1 EBADF (Bad file descriptor) [pid 5119] close(15) = -1 EBADF (Bad file descriptor) [pid 5119] close(16) = -1 EBADF (Bad file descriptor) [pid 5119] close(17) = -1 EBADF (Bad file descriptor) [pid 5119] close(18) = -1 EBADF (Bad file descriptor) [pid 5119] close(19) = -1 EBADF (Bad file descriptor) [pid 5119] close(20) = -1 EBADF (Bad file descriptor) [pid 5119] close(21) = -1 EBADF (Bad file descriptor) [pid 5119] close(22) = -1 EBADF (Bad file descriptor) [pid 5119] close(23) = -1 EBADF (Bad file descriptor) [pid 5119] close(24) = -1 EBADF (Bad file descriptor) [pid 5119] close(25) = -1 EBADF (Bad file descriptor) [pid 5119] close(26) = -1 EBADF (Bad file descriptor) [pid 5119] close(27) = -1 EBADF (Bad file descriptor) [pid 5119] close(28) = -1 EBADF (Bad file descriptor) [pid 5119] close(29) = -1 EBADF (Bad file descriptor) [pid 5119] exit_group(0) = ? [pid 5119] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./112/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./112/cgroup.cpu") = 0 [pid 5005] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./112/binderfs") = 0 [pid 5005] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./112/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./112/cgroup") = 0 [pid 5005] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./112/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./112/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./112") = 0 [pid 5005] mkdir("./113", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5120 attached [pid 5120] chdir("./113") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 115 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5120] setpgid(0, 0) = 0 [pid 5120] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5120] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5120] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5120] write(3, "1000", 4) = 4 [pid 5120] close(3) = 0 [pid 5120] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5120] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5120] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5120] openat(3, "freezer.state", O_RDWR) = 4 [pid 5120] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5120] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5120] close(3) = 0 [pid 5120] close(4) = 0 [pid 5120] close(5) = -1 EBADF (Bad file descriptor) [pid 5120] close(6) = -1 EBADF (Bad file descriptor) [pid 5120] close(7) = -1 EBADF (Bad file descriptor) [pid 5120] close(8) = -1 EBADF (Bad file descriptor) [pid 5120] close(9) = -1 EBADF (Bad file descriptor) [pid 5120] close(10) = -1 EBADF (Bad file descriptor) [pid 5120] close(11) = -1 EBADF (Bad file descriptor) [pid 5120] close(12) = -1 EBADF (Bad file descriptor) [pid 5120] close(13) = -1 EBADF (Bad file descriptor) [pid 5120] close(14) = -1 EBADF (Bad file descriptor) [pid 5120] close(15) = -1 EBADF (Bad file descriptor) [pid 5120] close(16) = -1 EBADF (Bad file descriptor) [pid 5120] close(17) = -1 EBADF (Bad file descriptor) [pid 5120] close(18) = -1 EBADF (Bad file descriptor) [pid 5120] close(19) = -1 EBADF (Bad file descriptor) [pid 5120] close(20) = -1 EBADF (Bad file descriptor) [pid 5120] close(21) = -1 EBADF (Bad file descriptor) [pid 5120] close(22) = -1 EBADF (Bad file descriptor) [pid 5120] close(23) = -1 EBADF (Bad file descriptor) [pid 5120] close(24) = -1 EBADF (Bad file descriptor) [pid 5120] close(25) = -1 EBADF (Bad file descriptor) [pid 5120] close(26) = -1 EBADF (Bad file descriptor) [pid 5120] close(27) = -1 EBADF (Bad file descriptor) [pid 5120] close(28) = -1 EBADF (Bad file descriptor) [pid 5120] close(29) = -1 EBADF (Bad file descriptor) [pid 5120] exit_group(0) = ? [pid 5120] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./113/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./113/cgroup.cpu") = 0 [pid 5005] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./113/binderfs") = 0 [pid 5005] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./113/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./113/cgroup") = 0 [pid 5005] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./113/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./113/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./113") = 0 [pid 5005] mkdir("./114", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5121 attached [pid 5121] chdir("./114") = 0 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 116 [pid 5121] <... prctl resumed>) = 0 [pid 5121] setpgid(0, 0) = 0 [pid 5121] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5121] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5121] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5121] write(3, "1000", 4) = 4 [pid 5121] close(3) = 0 [pid 5121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5121] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5121] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5121] openat(3, "freezer.state", O_RDWR) = 4 [pid 5121] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5121] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5121] close(3) = 0 [pid 5121] close(4) = 0 [pid 5121] close(5) = -1 EBADF (Bad file descriptor) [pid 5121] close(6) = -1 EBADF (Bad file descriptor) [pid 5121] close(7) = -1 EBADF (Bad file descriptor) [pid 5121] close(8) = -1 EBADF (Bad file descriptor) [pid 5121] close(9) = -1 EBADF (Bad file descriptor) [pid 5121] close(10) = -1 EBADF (Bad file descriptor) [pid 5121] close(11) = -1 EBADF (Bad file descriptor) [pid 5121] close(12) = -1 EBADF (Bad file descriptor) [pid 5121] close(13) = -1 EBADF (Bad file descriptor) [pid 5121] close(14) = -1 EBADF (Bad file descriptor) [pid 5121] close(15) = -1 EBADF (Bad file descriptor) [pid 5121] close(16) = -1 EBADF (Bad file descriptor) [pid 5121] close(17) = -1 EBADF (Bad file descriptor) [pid 5121] close(18) = -1 EBADF (Bad file descriptor) [pid 5121] close(19) = -1 EBADF (Bad file descriptor) [pid 5121] close(20) = -1 EBADF (Bad file descriptor) [pid 5121] close(21) = -1 EBADF (Bad file descriptor) [pid 5121] close(22) = -1 EBADF (Bad file descriptor) [pid 5121] close(23) = -1 EBADF (Bad file descriptor) [pid 5121] close(24) = -1 EBADF (Bad file descriptor) [pid 5121] close(25) = -1 EBADF (Bad file descriptor) [pid 5121] close(26) = -1 EBADF (Bad file descriptor) [pid 5121] close(27) = -1 EBADF (Bad file descriptor) [pid 5121] close(28) = -1 EBADF (Bad file descriptor) [pid 5121] close(29) = -1 EBADF (Bad file descriptor) [pid 5121] exit_group(0) = ? [pid 5121] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./114/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./114/cgroup.cpu") = 0 [pid 5005] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./114/binderfs") = 0 [pid 5005] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./114/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./114/cgroup") = 0 [pid 5005] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./114/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./114/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./114") = 0 [pid 5005] mkdir("./115", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5122 attached [pid 5122] chdir("./115") = 0 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 117 [pid 5122] setpgid(0, 0) = 0 [pid 5122] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5122] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5122] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5122] write(3, "1000", 4) = 4 [pid 5122] close(3) = 0 [pid 5122] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5122] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5122] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5122] openat(3, "freezer.state", O_RDWR) = 4 [pid 5122] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5122] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5122] close(3) = 0 [pid 5122] close(4) = 0 [pid 5122] close(5) = -1 EBADF (Bad file descriptor) [pid 5122] close(6) = -1 EBADF (Bad file descriptor) [pid 5122] close(7) = -1 EBADF (Bad file descriptor) [pid 5122] close(8) = -1 EBADF (Bad file descriptor) [pid 5122] close(9) = -1 EBADF (Bad file descriptor) [pid 5122] close(10) = -1 EBADF (Bad file descriptor) [pid 5122] close(11) = -1 EBADF (Bad file descriptor) [pid 5122] close(12) = -1 EBADF (Bad file descriptor) [pid 5122] close(13) = -1 EBADF (Bad file descriptor) [pid 5122] close(14) = -1 EBADF (Bad file descriptor) [pid 5122] close(15) = -1 EBADF (Bad file descriptor) [pid 5122] close(16) = -1 EBADF (Bad file descriptor) [pid 5122] close(17) = -1 EBADF (Bad file descriptor) [pid 5122] close(18) = -1 EBADF (Bad file descriptor) [pid 5122] close(19) = -1 EBADF (Bad file descriptor) [pid 5122] close(20) = -1 EBADF (Bad file descriptor) [pid 5122] close(21) = -1 EBADF (Bad file descriptor) [pid 5122] close(22) = -1 EBADF (Bad file descriptor) [pid 5122] close(23) = -1 EBADF (Bad file descriptor) [pid 5122] close(24) = -1 EBADF (Bad file descriptor) [pid 5122] close(25) = -1 EBADF (Bad file descriptor) [pid 5122] close(26) = -1 EBADF (Bad file descriptor) [pid 5122] close(27) = -1 EBADF (Bad file descriptor) [pid 5122] close(28) = -1 EBADF (Bad file descriptor) [pid 5122] close(29) = -1 EBADF (Bad file descriptor) [pid 5122] exit_group(0) = ? [pid 5122] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./115/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./115/cgroup.cpu") = 0 [pid 5005] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./115/binderfs") = 0 [pid 5005] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./115/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./115/cgroup") = 0 [pid 5005] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./115/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./115/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./115") = 0 [pid 5005] mkdir("./116", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5123 attached [pid 5123] chdir("./116" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 118 [pid 5123] <... chdir resumed>) = 0 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5123] setpgid(0, 0) = 0 [pid 5123] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5123] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5123] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5123] write(3, "1000", 4) = 4 [pid 5123] close(3) = 0 [pid 5123] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5123] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5123] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5123] openat(3, "freezer.state", O_RDWR) = 4 [pid 5123] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5123] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5123] close(3) = 0 [pid 5123] close(4) = 0 [pid 5123] close(5) = -1 EBADF (Bad file descriptor) [pid 5123] close(6) = -1 EBADF (Bad file descriptor) [pid 5123] close(7) = -1 EBADF (Bad file descriptor) [pid 5123] close(8) = -1 EBADF (Bad file descriptor) [pid 5123] close(9) = -1 EBADF (Bad file descriptor) [pid 5123] close(10) = -1 EBADF (Bad file descriptor) [pid 5123] close(11) = -1 EBADF (Bad file descriptor) [pid 5123] close(12) = -1 EBADF (Bad file descriptor) [pid 5123] close(13) = -1 EBADF (Bad file descriptor) [pid 5123] close(14) = -1 EBADF (Bad file descriptor) [pid 5123] close(15) = -1 EBADF (Bad file descriptor) [pid 5123] close(16) = -1 EBADF (Bad file descriptor) [pid 5123] close(17) = -1 EBADF (Bad file descriptor) [pid 5123] close(18) = -1 EBADF (Bad file descriptor) [pid 5123] close(19) = -1 EBADF (Bad file descriptor) [pid 5123] close(20) = -1 EBADF (Bad file descriptor) [pid 5123] close(21) = -1 EBADF (Bad file descriptor) [pid 5123] close(22) = -1 EBADF (Bad file descriptor) [pid 5123] close(23) = -1 EBADF (Bad file descriptor) [pid 5123] close(24) = -1 EBADF (Bad file descriptor) [pid 5123] close(25) = -1 EBADF (Bad file descriptor) [pid 5123] close(26) = -1 EBADF (Bad file descriptor) [pid 5123] close(27) = -1 EBADF (Bad file descriptor) [pid 5123] close(28) = -1 EBADF (Bad file descriptor) [pid 5123] close(29) = -1 EBADF (Bad file descriptor) [pid 5123] exit_group(0) = ? [pid 5123] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./116/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./116/cgroup.cpu") = 0 [pid 5005] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./116/binderfs") = 0 [pid 5005] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./116/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./116/cgroup") = 0 [pid 5005] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./116/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./116/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./116") = 0 [pid 5005] mkdir("./117", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 119 ./strace-static-x86_64: Process 5124 attached [pid 5124] chdir("./117") = 0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5124] setpgid(0, 0) = 0 [pid 5124] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5124] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5124] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5124] write(3, "1000", 4) = 4 [pid 5124] close(3) = 0 [pid 5124] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5124] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5124] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5124] openat(3, "freezer.state", O_RDWR) = 4 [pid 5124] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5124] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5124] close(3) = 0 [pid 5124] close(4) = 0 [pid 5124] close(5) = -1 EBADF (Bad file descriptor) [pid 5124] close(6) = -1 EBADF (Bad file descriptor) [pid 5124] close(7) = -1 EBADF (Bad file descriptor) [pid 5124] close(8) = -1 EBADF (Bad file descriptor) [pid 5124] close(9) = -1 EBADF (Bad file descriptor) [pid 5124] close(10) = -1 EBADF (Bad file descriptor) [pid 5124] close(11) = -1 EBADF (Bad file descriptor) [pid 5124] close(12) = -1 EBADF (Bad file descriptor) [pid 5124] close(13) = -1 EBADF (Bad file descriptor) [pid 5124] close(14) = -1 EBADF (Bad file descriptor) [pid 5124] close(15) = -1 EBADF (Bad file descriptor) [pid 5124] close(16) = -1 EBADF (Bad file descriptor) [pid 5124] close(17) = -1 EBADF (Bad file descriptor) [pid 5124] close(18) = -1 EBADF (Bad file descriptor) [pid 5124] close(19) = -1 EBADF (Bad file descriptor) [pid 5124] close(20) = -1 EBADF (Bad file descriptor) [pid 5124] close(21) = -1 EBADF (Bad file descriptor) [pid 5124] close(22) = -1 EBADF (Bad file descriptor) [pid 5124] close(23) = -1 EBADF (Bad file descriptor) [pid 5124] close(24) = -1 EBADF (Bad file descriptor) [pid 5124] close(25) = -1 EBADF (Bad file descriptor) [pid 5124] close(26) = -1 EBADF (Bad file descriptor) [pid 5124] close(27) = -1 EBADF (Bad file descriptor) [pid 5124] close(28) = -1 EBADF (Bad file descriptor) [pid 5124] close(29) = -1 EBADF (Bad file descriptor) [pid 5124] exit_group(0) = ? [pid 5124] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./117/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./117/cgroup.cpu") = 0 [pid 5005] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./117/binderfs") = 0 [pid 5005] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./117/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./117/cgroup") = 0 [pid 5005] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./117/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./117/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./117") = 0 [pid 5005] mkdir("./118", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5125 attached [pid 5125] chdir("./118") = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 120 [pid 5125] <... prctl resumed>) = 0 [pid 5125] setpgid(0, 0) = 0 [pid 5125] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5125] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5125] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5125] write(3, "1000", 4) = 4 [pid 5125] close(3) = 0 [pid 5125] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5125] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5125] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5125] openat(3, "freezer.state", O_RDWR) = 4 [pid 5125] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5125] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5125] close(3) = 0 [pid 5125] close(4) = 0 [pid 5125] close(5) = -1 EBADF (Bad file descriptor) [pid 5125] close(6) = -1 EBADF (Bad file descriptor) [pid 5125] close(7) = -1 EBADF (Bad file descriptor) [pid 5125] close(8) = -1 EBADF (Bad file descriptor) [pid 5125] close(9) = -1 EBADF (Bad file descriptor) [pid 5125] close(10) = -1 EBADF (Bad file descriptor) [pid 5125] close(11) = -1 EBADF (Bad file descriptor) [pid 5125] close(12) = -1 EBADF (Bad file descriptor) [pid 5125] close(13) = -1 EBADF (Bad file descriptor) [pid 5125] close(14) = -1 EBADF (Bad file descriptor) [pid 5125] close(15) = -1 EBADF (Bad file descriptor) [pid 5125] close(16) = -1 EBADF (Bad file descriptor) [pid 5125] close(17) = -1 EBADF (Bad file descriptor) [pid 5125] close(18) = -1 EBADF (Bad file descriptor) [pid 5125] close(19) = -1 EBADF (Bad file descriptor) [pid 5125] close(20) = -1 EBADF (Bad file descriptor) [pid 5125] close(21) = -1 EBADF (Bad file descriptor) [pid 5125] close(22) = -1 EBADF (Bad file descriptor) [pid 5125] close(23) = -1 EBADF (Bad file descriptor) [pid 5125] close(24) = -1 EBADF (Bad file descriptor) [pid 5125] close(25) = -1 EBADF (Bad file descriptor) [pid 5125] close(26) = -1 EBADF (Bad file descriptor) [pid 5125] close(27) = -1 EBADF (Bad file descriptor) [pid 5125] close(28) = -1 EBADF (Bad file descriptor) [pid 5125] close(29) = -1 EBADF (Bad file descriptor) [pid 5125] exit_group(0) = ? [pid 5125] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./118/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./118/cgroup.cpu") = 0 [pid 5005] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./118/binderfs") = 0 [pid 5005] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./118/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./118/cgroup") = 0 [pid 5005] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./118/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./118/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./118") = 0 [pid 5005] mkdir("./119", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5126 attached [pid 5126] chdir("./119") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 121 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5126] setpgid(0, 0) = 0 [pid 5126] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5126] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5126] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5126] write(3, "1000", 4) = 4 [pid 5126] close(3) = 0 [pid 5126] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5126] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5126] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5126] openat(3, "freezer.state", O_RDWR) = 4 [pid 5126] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5126] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5126] close(3) = 0 [pid 5126] close(4) = 0 [pid 5126] close(5) = -1 EBADF (Bad file descriptor) [pid 5126] close(6) = -1 EBADF (Bad file descriptor) [pid 5126] close(7) = -1 EBADF (Bad file descriptor) [pid 5126] close(8) = -1 EBADF (Bad file descriptor) [pid 5126] close(9) = -1 EBADF (Bad file descriptor) [pid 5126] close(10) = -1 EBADF (Bad file descriptor) [pid 5126] close(11) = -1 EBADF (Bad file descriptor) [pid 5126] close(12) = -1 EBADF (Bad file descriptor) [pid 5126] close(13) = -1 EBADF (Bad file descriptor) [pid 5126] close(14) = -1 EBADF (Bad file descriptor) [pid 5126] close(15) = -1 EBADF (Bad file descriptor) [pid 5126] close(16) = -1 EBADF (Bad file descriptor) [pid 5126] close(17) = -1 EBADF (Bad file descriptor) [pid 5126] close(18) = -1 EBADF (Bad file descriptor) [pid 5126] close(19) = -1 EBADF (Bad file descriptor) [pid 5126] close(20) = -1 EBADF (Bad file descriptor) [pid 5126] close(21) = -1 EBADF (Bad file descriptor) [pid 5126] close(22) = -1 EBADF (Bad file descriptor) [pid 5126] close(23) = -1 EBADF (Bad file descriptor) [pid 5126] close(24) = -1 EBADF (Bad file descriptor) [pid 5126] close(25) = -1 EBADF (Bad file descriptor) [pid 5126] close(26) = -1 EBADF (Bad file descriptor) [pid 5126] close(27) = -1 EBADF (Bad file descriptor) [pid 5126] close(28) = -1 EBADF (Bad file descriptor) [pid 5126] close(29) = -1 EBADF (Bad file descriptor) [pid 5126] exit_group(0) = ? [pid 5126] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./119/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./119/cgroup.cpu") = 0 [pid 5005] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./119/binderfs") = 0 [pid 5005] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./119/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./119/cgroup") = 0 [pid 5005] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./119/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./119/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./119") = 0 [pid 5005] mkdir("./120", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5127 attached [pid 5127] chdir("./120") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 122 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5127] setpgid(0, 0) = 0 [pid 5127] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5127] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5127] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5127] write(3, "1000", 4) = 4 [pid 5127] close(3) = 0 [pid 5127] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5127] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5127] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5127] openat(3, "freezer.state", O_RDWR) = 4 [pid 5127] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5127] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5127] close(3) = 0 [pid 5127] close(4) = 0 [pid 5127] close(5) = -1 EBADF (Bad file descriptor) [pid 5127] close(6) = -1 EBADF (Bad file descriptor) [pid 5127] close(7) = -1 EBADF (Bad file descriptor) [pid 5127] close(8) = -1 EBADF (Bad file descriptor) [pid 5127] close(9) = -1 EBADF (Bad file descriptor) [pid 5127] close(10) = -1 EBADF (Bad file descriptor) [pid 5127] close(11) = -1 EBADF (Bad file descriptor) [pid 5127] close(12) = -1 EBADF (Bad file descriptor) [pid 5127] close(13) = -1 EBADF (Bad file descriptor) [pid 5127] close(14) = -1 EBADF (Bad file descriptor) [pid 5127] close(15) = -1 EBADF (Bad file descriptor) [pid 5127] close(16) = -1 EBADF (Bad file descriptor) [pid 5127] close(17) = -1 EBADF (Bad file descriptor) [pid 5127] close(18) = -1 EBADF (Bad file descriptor) [pid 5127] close(19) = -1 EBADF (Bad file descriptor) [pid 5127] close(20) = -1 EBADF (Bad file descriptor) [pid 5127] close(21) = -1 EBADF (Bad file descriptor) [pid 5127] close(22) = -1 EBADF (Bad file descriptor) [pid 5127] close(23) = -1 EBADF (Bad file descriptor) [pid 5127] close(24) = -1 EBADF (Bad file descriptor) [pid 5127] close(25) = -1 EBADF (Bad file descriptor) [pid 5127] close(26) = -1 EBADF (Bad file descriptor) [pid 5127] close(27) = -1 EBADF (Bad file descriptor) [pid 5127] close(28) = -1 EBADF (Bad file descriptor) [pid 5127] close(29) = -1 EBADF (Bad file descriptor) [pid 5127] exit_group(0) = ? [pid 5127] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./120/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./120/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./120/cgroup.cpu") = 0 [pid 5005] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./120/binderfs") = 0 [pid 5005] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./120/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./120/cgroup") = 0 [pid 5005] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./120/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./120/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./120") = 0 [pid 5005] mkdir("./121", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5128 attached [pid 5128] chdir("./121") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 123 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5128] setpgid(0, 0) = 0 [pid 5128] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5128] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5128] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5128] write(3, "1000", 4) = 4 [pid 5128] close(3) = 0 [pid 5128] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5128] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5128] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5128] openat(3, "freezer.state", O_RDWR) = 4 [pid 5128] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5128] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5128] close(3) = 0 [pid 5128] close(4) = 0 [pid 5128] close(5) = -1 EBADF (Bad file descriptor) [pid 5128] close(6) = -1 EBADF (Bad file descriptor) [pid 5128] close(7) = -1 EBADF (Bad file descriptor) [pid 5128] close(8) = -1 EBADF (Bad file descriptor) [pid 5128] close(9) = -1 EBADF (Bad file descriptor) [pid 5128] close(10) = -1 EBADF (Bad file descriptor) [pid 5128] close(11) = -1 EBADF (Bad file descriptor) [pid 5128] close(12) = -1 EBADF (Bad file descriptor) [pid 5128] close(13) = -1 EBADF (Bad file descriptor) [pid 5128] close(14) = -1 EBADF (Bad file descriptor) [pid 5128] close(15) = -1 EBADF (Bad file descriptor) [pid 5128] close(16) = -1 EBADF (Bad file descriptor) [pid 5128] close(17) = -1 EBADF (Bad file descriptor) [pid 5128] close(18) = -1 EBADF (Bad file descriptor) [pid 5128] close(19) = -1 EBADF (Bad file descriptor) [pid 5128] close(20) = -1 EBADF (Bad file descriptor) [pid 5128] close(21) = -1 EBADF (Bad file descriptor) [pid 5128] close(22) = -1 EBADF (Bad file descriptor) [pid 5128] close(23) = -1 EBADF (Bad file descriptor) [pid 5128] close(24) = -1 EBADF (Bad file descriptor) [pid 5128] close(25) = -1 EBADF (Bad file descriptor) [pid 5128] close(26) = -1 EBADF (Bad file descriptor) [pid 5128] close(27) = -1 EBADF (Bad file descriptor) [pid 5128] close(28) = -1 EBADF (Bad file descriptor) [pid 5128] close(29) = -1 EBADF (Bad file descriptor) [pid 5128] exit_group(0) = ? [pid 5128] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./121/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./121/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./121/cgroup.cpu") = 0 [pid 5005] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./121/binderfs") = 0 [pid 5005] umount2("./121/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./121/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./121/cgroup") = 0 [pid 5005] umount2("./121/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./121/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./121/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./121") = 0 [pid 5005] mkdir("./122", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5129 attached [pid 5129] chdir("./122") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 124 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5129] setpgid(0, 0) = 0 [pid 5129] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5129] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5129] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5129] write(3, "1000", 4) = 4 [pid 5129] close(3) = 0 [pid 5129] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5129] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5129] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5129] openat(3, "freezer.state", O_RDWR) = 4 [pid 5129] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5129] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5129] close(3) = 0 [pid 5129] close(4) = 0 [pid 5129] close(5) = -1 EBADF (Bad file descriptor) [pid 5129] close(6) = -1 EBADF (Bad file descriptor) [pid 5129] close(7) = -1 EBADF (Bad file descriptor) [pid 5129] close(8) = -1 EBADF (Bad file descriptor) [pid 5129] close(9) = -1 EBADF (Bad file descriptor) [pid 5129] close(10) = -1 EBADF (Bad file descriptor) [pid 5129] close(11) = -1 EBADF (Bad file descriptor) [pid 5129] close(12) = -1 EBADF (Bad file descriptor) [pid 5129] close(13) = -1 EBADF (Bad file descriptor) [pid 5129] close(14) = -1 EBADF (Bad file descriptor) [pid 5129] close(15) = -1 EBADF (Bad file descriptor) [pid 5129] close(16) = -1 EBADF (Bad file descriptor) [pid 5129] close(17) = -1 EBADF (Bad file descriptor) [pid 5129] close(18) = -1 EBADF (Bad file descriptor) [pid 5129] close(19) = -1 EBADF (Bad file descriptor) [pid 5129] close(20) = -1 EBADF (Bad file descriptor) [pid 5129] close(21) = -1 EBADF (Bad file descriptor) [pid 5129] close(22) = -1 EBADF (Bad file descriptor) [pid 5129] close(23) = -1 EBADF (Bad file descriptor) [pid 5129] close(24) = -1 EBADF (Bad file descriptor) [pid 5129] close(25) = -1 EBADF (Bad file descriptor) [pid 5129] close(26) = -1 EBADF (Bad file descriptor) [pid 5129] close(27) = -1 EBADF (Bad file descriptor) [pid 5129] close(28) = -1 EBADF (Bad file descriptor) [pid 5129] close(29) = -1 EBADF (Bad file descriptor) [pid 5129] exit_group(0) = ? [pid 5129] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./122/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./122/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./122/cgroup.cpu") = 0 [pid 5005] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./122/binderfs") = 0 [pid 5005] umount2("./122/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./122/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./122/cgroup") = 0 [pid 5005] umount2("./122/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./122/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./122/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./122") = 0 [pid 5005] mkdir("./123", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5130 attached [pid 5130] chdir("./123" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 125 [pid 5130] <... chdir resumed>) = 0 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5130] setpgid(0, 0) = 0 [pid 5130] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5130] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5130] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5130] write(3, "1000", 4) = 4 [pid 5130] close(3) = 0 [pid 5130] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5130] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5130] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5130] openat(3, "freezer.state", O_RDWR) = 4 [pid 5130] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5130] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5130] close(3) = 0 [pid 5130] close(4) = 0 [pid 5130] close(5) = -1 EBADF (Bad file descriptor) [pid 5130] close(6) = -1 EBADF (Bad file descriptor) [pid 5130] close(7) = -1 EBADF (Bad file descriptor) [pid 5130] close(8) = -1 EBADF (Bad file descriptor) [pid 5130] close(9) = -1 EBADF (Bad file descriptor) [pid 5130] close(10) = -1 EBADF (Bad file descriptor) [pid 5130] close(11) = -1 EBADF (Bad file descriptor) [pid 5130] close(12) = -1 EBADF (Bad file descriptor) [pid 5130] close(13) = -1 EBADF (Bad file descriptor) [pid 5130] close(14) = -1 EBADF (Bad file descriptor) [pid 5130] close(15) = -1 EBADF (Bad file descriptor) [pid 5130] close(16) = -1 EBADF (Bad file descriptor) [pid 5130] close(17) = -1 EBADF (Bad file descriptor) [pid 5130] close(18) = -1 EBADF (Bad file descriptor) [pid 5130] close(19) = -1 EBADF (Bad file descriptor) [pid 5130] close(20) = -1 EBADF (Bad file descriptor) [pid 5130] close(21) = -1 EBADF (Bad file descriptor) [pid 5130] close(22) = -1 EBADF (Bad file descriptor) [pid 5130] close(23) = -1 EBADF (Bad file descriptor) [pid 5130] close(24) = -1 EBADF (Bad file descriptor) [pid 5130] close(25) = -1 EBADF (Bad file descriptor) [pid 5130] close(26) = -1 EBADF (Bad file descriptor) [pid 5130] close(27) = -1 EBADF (Bad file descriptor) [pid 5130] close(28) = -1 EBADF (Bad file descriptor) [pid 5130] close(29) = -1 EBADF (Bad file descriptor) [pid 5130] exit_group(0) = ? [pid 5130] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./123/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./123/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./123/cgroup.cpu") = 0 [pid 5005] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./123/binderfs") = 0 [pid 5005] umount2("./123/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./123/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./123/cgroup") = 0 [pid 5005] umount2("./123/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./123/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./123/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./123") = 0 [pid 5005] mkdir("./124", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5131 attached [pid 5131] chdir("./124" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 126 [pid 5131] <... chdir resumed>) = 0 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5131] setpgid(0, 0) = 0 [pid 5131] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5131] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5131] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5131] write(3, "1000", 4) = 4 [pid 5131] close(3) = 0 [pid 5131] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5131] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5131] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5131] openat(3, "freezer.state", O_RDWR) = 4 [pid 5131] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5131] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5131] close(3) = 0 [pid 5131] close(4) = 0 [pid 5131] close(5) = -1 EBADF (Bad file descriptor) [pid 5131] close(6) = -1 EBADF (Bad file descriptor) [pid 5131] close(7) = -1 EBADF (Bad file descriptor) [pid 5131] close(8) = -1 EBADF (Bad file descriptor) [pid 5131] close(9) = -1 EBADF (Bad file descriptor) [pid 5131] close(10) = -1 EBADF (Bad file descriptor) [pid 5131] close(11) = -1 EBADF (Bad file descriptor) [pid 5131] close(12) = -1 EBADF (Bad file descriptor) [pid 5131] close(13) = -1 EBADF (Bad file descriptor) [pid 5131] close(14) = -1 EBADF (Bad file descriptor) [pid 5131] close(15) = -1 EBADF (Bad file descriptor) [pid 5131] close(16) = -1 EBADF (Bad file descriptor) [pid 5131] close(17) = -1 EBADF (Bad file descriptor) [pid 5131] close(18) = -1 EBADF (Bad file descriptor) [pid 5131] close(19) = -1 EBADF (Bad file descriptor) [pid 5131] close(20) = -1 EBADF (Bad file descriptor) [pid 5131] close(21) = -1 EBADF (Bad file descriptor) [pid 5131] close(22) = -1 EBADF (Bad file descriptor) [pid 5131] close(23) = -1 EBADF (Bad file descriptor) [pid 5131] close(24) = -1 EBADF (Bad file descriptor) [pid 5131] close(25) = -1 EBADF (Bad file descriptor) [pid 5131] close(26) = -1 EBADF (Bad file descriptor) [pid 5131] close(27) = -1 EBADF (Bad file descriptor) [pid 5131] close(28) = -1 EBADF (Bad file descriptor) [pid 5131] close(29) = -1 EBADF (Bad file descriptor) [pid 5131] exit_group(0) = ? [pid 5131] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./124/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./124/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./124/cgroup.cpu") = 0 [pid 5005] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./124/binderfs") = 0 [pid 5005] umount2("./124/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./124/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./124/cgroup") = 0 [pid 5005] umount2("./124/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./124/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./124/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./124") = 0 [pid 5005] mkdir("./125", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5132 attached [pid 5132] chdir("./125") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 127 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5132] setpgid(0, 0) = 0 [pid 5132] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5132] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5132] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5132] write(3, "1000", 4) = 4 [pid 5132] close(3) = 0 [pid 5132] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5132] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5132] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5132] openat(3, "freezer.state", O_RDWR) = 4 [pid 5132] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5132] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5132] close(3) = 0 [pid 5132] close(4) = 0 [pid 5132] close(5) = -1 EBADF (Bad file descriptor) [pid 5132] close(6) = -1 EBADF (Bad file descriptor) [pid 5132] close(7) = -1 EBADF (Bad file descriptor) [pid 5132] close(8) = -1 EBADF (Bad file descriptor) [pid 5132] close(9) = -1 EBADF (Bad file descriptor) [pid 5132] close(10) = -1 EBADF (Bad file descriptor) [pid 5132] close(11) = -1 EBADF (Bad file descriptor) [pid 5132] close(12) = -1 EBADF (Bad file descriptor) [pid 5132] close(13) = -1 EBADF (Bad file descriptor) [pid 5132] close(14) = -1 EBADF (Bad file descriptor) [pid 5132] close(15) = -1 EBADF (Bad file descriptor) [pid 5132] close(16) = -1 EBADF (Bad file descriptor) [pid 5132] close(17) = -1 EBADF (Bad file descriptor) [pid 5132] close(18) = -1 EBADF (Bad file descriptor) [pid 5132] close(19) = -1 EBADF (Bad file descriptor) [pid 5132] close(20) = -1 EBADF (Bad file descriptor) [pid 5132] close(21) = -1 EBADF (Bad file descriptor) [pid 5132] close(22) = -1 EBADF (Bad file descriptor) [pid 5132] close(23) = -1 EBADF (Bad file descriptor) [pid 5132] close(24) = -1 EBADF (Bad file descriptor) [pid 5132] close(25) = -1 EBADF (Bad file descriptor) [pid 5132] close(26) = -1 EBADF (Bad file descriptor) [pid 5132] close(27) = -1 EBADF (Bad file descriptor) [pid 5132] close(28) = -1 EBADF (Bad file descriptor) [pid 5132] close(29) = -1 EBADF (Bad file descriptor) [pid 5132] exit_group(0) = ? [pid 5132] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./125/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./125/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./125/cgroup.cpu") = 0 [pid 5005] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./125/binderfs") = 0 [pid 5005] umount2("./125/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./125/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./125/cgroup") = 0 [pid 5005] umount2("./125/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./125/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./125/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./125") = 0 [pid 5005] mkdir("./126", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 128 ./strace-static-x86_64: Process 5133 attached [pid 5133] chdir("./126") = 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5133] setpgid(0, 0) = 0 [pid 5133] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5133] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5133] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5133] write(3, "1000", 4) = 4 [pid 5133] close(3) = 0 [pid 5133] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5133] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5133] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5133] openat(3, "freezer.state", O_RDWR) = 4 [pid 5133] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5133] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5133] close(3) = 0 [pid 5133] close(4) = 0 [pid 5133] close(5) = -1 EBADF (Bad file descriptor) [pid 5133] close(6) = -1 EBADF (Bad file descriptor) [pid 5133] close(7) = -1 EBADF (Bad file descriptor) [pid 5133] close(8) = -1 EBADF (Bad file descriptor) [pid 5133] close(9) = -1 EBADF (Bad file descriptor) [pid 5133] close(10) = -1 EBADF (Bad file descriptor) [pid 5133] close(11) = -1 EBADF (Bad file descriptor) [pid 5133] close(12) = -1 EBADF (Bad file descriptor) [pid 5133] close(13) = -1 EBADF (Bad file descriptor) [pid 5133] close(14) = -1 EBADF (Bad file descriptor) [pid 5133] close(15) = -1 EBADF (Bad file descriptor) [pid 5133] close(16) = -1 EBADF (Bad file descriptor) [pid 5133] close(17) = -1 EBADF (Bad file descriptor) [pid 5133] close(18) = -1 EBADF (Bad file descriptor) [pid 5133] close(19) = -1 EBADF (Bad file descriptor) [pid 5133] close(20) = -1 EBADF (Bad file descriptor) [pid 5133] close(21) = -1 EBADF (Bad file descriptor) [pid 5133] close(22) = -1 EBADF (Bad file descriptor) [pid 5133] close(23) = -1 EBADF (Bad file descriptor) [pid 5133] close(24) = -1 EBADF (Bad file descriptor) [pid 5133] close(25) = -1 EBADF (Bad file descriptor) [pid 5133] close(26) = -1 EBADF (Bad file descriptor) [pid 5133] close(27) = -1 EBADF (Bad file descriptor) [pid 5133] close(28) = -1 EBADF (Bad file descriptor) [pid 5133] close(29) = -1 EBADF (Bad file descriptor) [pid 5133] exit_group(0) = ? [pid 5133] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./126/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./126/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./126/cgroup.cpu") = 0 [pid 5005] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./126/binderfs") = 0 [pid 5005] umount2("./126/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./126/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./126/cgroup") = 0 [pid 5005] umount2("./126/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./126/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./126/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./126") = 0 [pid 5005] mkdir("./127", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 129 ./strace-static-x86_64: Process 5134 attached [pid 5134] chdir("./127") = 0 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5134] setpgid(0, 0) = 0 [pid 5134] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5134] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5134] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5134] write(3, "1000", 4) = 4 [pid 5134] close(3) = 0 [pid 5134] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5134] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5134] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5134] openat(3, "freezer.state", O_RDWR) = 4 [pid 5134] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5134] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5134] close(3) = 0 [pid 5134] close(4) = 0 [pid 5134] close(5) = -1 EBADF (Bad file descriptor) [pid 5134] close(6) = -1 EBADF (Bad file descriptor) [pid 5134] close(7) = -1 EBADF (Bad file descriptor) [pid 5134] close(8) = -1 EBADF (Bad file descriptor) [pid 5134] close(9) = -1 EBADF (Bad file descriptor) [pid 5134] close(10) = -1 EBADF (Bad file descriptor) [pid 5134] close(11) = -1 EBADF (Bad file descriptor) [pid 5134] close(12) = -1 EBADF (Bad file descriptor) [pid 5134] close(13) = -1 EBADF (Bad file descriptor) [pid 5134] close(14) = -1 EBADF (Bad file descriptor) [pid 5134] close(15) = -1 EBADF (Bad file descriptor) [pid 5134] close(16) = -1 EBADF (Bad file descriptor) [pid 5134] close(17) = -1 EBADF (Bad file descriptor) [pid 5134] close(18) = -1 EBADF (Bad file descriptor) [pid 5134] close(19) = -1 EBADF (Bad file descriptor) [pid 5134] close(20) = -1 EBADF (Bad file descriptor) [pid 5134] close(21) = -1 EBADF (Bad file descriptor) [pid 5134] close(22) = -1 EBADF (Bad file descriptor) [pid 5134] close(23) = -1 EBADF (Bad file descriptor) [pid 5134] close(24) = -1 EBADF (Bad file descriptor) [pid 5134] close(25) = -1 EBADF (Bad file descriptor) [pid 5134] close(26) = -1 EBADF (Bad file descriptor) [pid 5134] close(27) = -1 EBADF (Bad file descriptor) [pid 5134] close(28) = -1 EBADF (Bad file descriptor) [pid 5134] close(29) = -1 EBADF (Bad file descriptor) [pid 5134] exit_group(0) = ? [pid 5134] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./127/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./127/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./127/cgroup.cpu") = 0 [pid 5005] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./127/binderfs") = 0 [pid 5005] umount2("./127/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./127/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./127/cgroup") = 0 [pid 5005] umount2("./127/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./127/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./127/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./127") = 0 [pid 5005] mkdir("./128", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5135 attached [pid 5135] chdir("./128") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 130 [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5135] setpgid(0, 0) = 0 [pid 5135] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5135] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5135] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5135] write(3, "1000", 4) = 4 [pid 5135] close(3) = 0 [pid 5135] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5135] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5135] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5135] openat(3, "freezer.state", O_RDWR) = 4 [pid 5135] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5135] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5135] close(3) = 0 [pid 5135] close(4) = 0 [pid 5135] close(5) = -1 EBADF (Bad file descriptor) [pid 5135] close(6) = -1 EBADF (Bad file descriptor) [pid 5135] close(7) = -1 EBADF (Bad file descriptor) [pid 5135] close(8) = -1 EBADF (Bad file descriptor) [pid 5135] close(9) = -1 EBADF (Bad file descriptor) [pid 5135] close(10) = -1 EBADF (Bad file descriptor) [pid 5135] close(11) = -1 EBADF (Bad file descriptor) [pid 5135] close(12) = -1 EBADF (Bad file descriptor) [pid 5135] close(13) = -1 EBADF (Bad file descriptor) [pid 5135] close(14) = -1 EBADF (Bad file descriptor) [pid 5135] close(15) = -1 EBADF (Bad file descriptor) [pid 5135] close(16) = -1 EBADF (Bad file descriptor) [pid 5135] close(17) = -1 EBADF (Bad file descriptor) [pid 5135] close(18) = -1 EBADF (Bad file descriptor) [pid 5135] close(19) = -1 EBADF (Bad file descriptor) [pid 5135] close(20) = -1 EBADF (Bad file descriptor) [pid 5135] close(21) = -1 EBADF (Bad file descriptor) [pid 5135] close(22) = -1 EBADF (Bad file descriptor) [pid 5135] close(23) = -1 EBADF (Bad file descriptor) [pid 5135] close(24) = -1 EBADF (Bad file descriptor) [pid 5135] close(25) = -1 EBADF (Bad file descriptor) [pid 5135] close(26) = -1 EBADF (Bad file descriptor) [pid 5135] close(27) = -1 EBADF (Bad file descriptor) [pid 5135] close(28) = -1 EBADF (Bad file descriptor) [pid 5135] close(29) = -1 EBADF (Bad file descriptor) [pid 5135] exit_group(0) = ? [pid 5135] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./128/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./128/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./128/cgroup.cpu") = 0 [pid 5005] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./128/binderfs") = 0 [pid 5005] umount2("./128/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./128/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./128/cgroup") = 0 [pid 5005] umount2("./128/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./128/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./128/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./128") = 0 [pid 5005] mkdir("./129", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5136 attached [pid 5136] chdir("./129") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 131 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5136] setpgid(0, 0) = 0 [pid 5136] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5136] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5136] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5136] write(3, "1000", 4) = 4 [pid 5136] close(3) = 0 [pid 5136] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5136] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5136] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5136] openat(3, "freezer.state", O_RDWR) = 4 [pid 5136] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5136] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5136] close(3) = 0 [pid 5136] close(4) = 0 [pid 5136] close(5) = -1 EBADF (Bad file descriptor) [pid 5136] close(6) = -1 EBADF (Bad file descriptor) [pid 5136] close(7) = -1 EBADF (Bad file descriptor) [pid 5136] close(8) = -1 EBADF (Bad file descriptor) [pid 5136] close(9) = -1 EBADF (Bad file descriptor) [pid 5136] close(10) = -1 EBADF (Bad file descriptor) [pid 5136] close(11) = -1 EBADF (Bad file descriptor) [pid 5136] close(12) = -1 EBADF (Bad file descriptor) [pid 5136] close(13) = -1 EBADF (Bad file descriptor) [pid 5136] close(14) = -1 EBADF (Bad file descriptor) [pid 5136] close(15) = -1 EBADF (Bad file descriptor) [pid 5136] close(16) = -1 EBADF (Bad file descriptor) [pid 5136] close(17) = -1 EBADF (Bad file descriptor) [pid 5136] close(18) = -1 EBADF (Bad file descriptor) [pid 5136] close(19) = -1 EBADF (Bad file descriptor) [pid 5136] close(20) = -1 EBADF (Bad file descriptor) [pid 5136] close(21) = -1 EBADF (Bad file descriptor) [pid 5136] close(22) = -1 EBADF (Bad file descriptor) [pid 5136] close(23) = -1 EBADF (Bad file descriptor) [pid 5136] close(24) = -1 EBADF (Bad file descriptor) [pid 5136] close(25) = -1 EBADF (Bad file descriptor) [pid 5136] close(26) = -1 EBADF (Bad file descriptor) [pid 5136] close(27) = -1 EBADF (Bad file descriptor) [pid 5136] close(28) = -1 EBADF (Bad file descriptor) [pid 5136] close(29) = -1 EBADF (Bad file descriptor) [pid 5136] exit_group(0) = ? [pid 5136] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./129/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./129/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./129/cgroup.cpu") = 0 [pid 5005] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./129/binderfs") = 0 [pid 5005] umount2("./129/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./129/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./129/cgroup") = 0 [pid 5005] umount2("./129/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./129/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./129/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./129") = 0 [pid 5005] mkdir("./130", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5137 attached [pid 5137] chdir("./130") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 132 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5137] setpgid(0, 0) = 0 [pid 5137] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5137] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5137] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5137] write(3, "1000", 4) = 4 [pid 5137] close(3) = 0 [pid 5137] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5137] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5137] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5137] openat(3, "freezer.state", O_RDWR) = 4 [pid 5137] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5137] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5137] close(3) = 0 [pid 5137] close(4) = 0 [pid 5137] close(5) = -1 EBADF (Bad file descriptor) [pid 5137] close(6) = -1 EBADF (Bad file descriptor) [pid 5137] close(7) = -1 EBADF (Bad file descriptor) [pid 5137] close(8) = -1 EBADF (Bad file descriptor) [pid 5137] close(9) = -1 EBADF (Bad file descriptor) [pid 5137] close(10) = -1 EBADF (Bad file descriptor) [pid 5137] close(11) = -1 EBADF (Bad file descriptor) [pid 5137] close(12) = -1 EBADF (Bad file descriptor) [pid 5137] close(13) = -1 EBADF (Bad file descriptor) [pid 5137] close(14) = -1 EBADF (Bad file descriptor) [pid 5137] close(15) = -1 EBADF (Bad file descriptor) [pid 5137] close(16) = -1 EBADF (Bad file descriptor) [pid 5137] close(17) = -1 EBADF (Bad file descriptor) [pid 5137] close(18) = -1 EBADF (Bad file descriptor) [pid 5137] close(19) = -1 EBADF (Bad file descriptor) [pid 5137] close(20) = -1 EBADF (Bad file descriptor) [pid 5137] close(21) = -1 EBADF (Bad file descriptor) [pid 5137] close(22) = -1 EBADF (Bad file descriptor) [pid 5137] close(23) = -1 EBADF (Bad file descriptor) [pid 5137] close(24) = -1 EBADF (Bad file descriptor) [pid 5137] close(25) = -1 EBADF (Bad file descriptor) [pid 5137] close(26) = -1 EBADF (Bad file descriptor) [pid 5137] close(27) = -1 EBADF (Bad file descriptor) [pid 5137] close(28) = -1 EBADF (Bad file descriptor) [pid 5137] close(29) = -1 EBADF (Bad file descriptor) [pid 5137] exit_group(0) = ? [pid 5137] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./130/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./130/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./130/cgroup.cpu") = 0 [pid 5005] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./130/binderfs") = 0 [pid 5005] umount2("./130/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./130/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./130/cgroup") = 0 [pid 5005] umount2("./130/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./130/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./130/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./130") = 0 [pid 5005] mkdir("./131", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5138 attached , child_tidptr=0x5555570a35d0) = 133 [pid 5138] chdir("./131") = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5138] setpgid(0, 0) = 0 [pid 5138] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5138] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5138] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5138] write(3, "1000", 4) = 4 [pid 5138] close(3) = 0 [pid 5138] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5138] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5138] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5138] openat(3, "freezer.state", O_RDWR) = 4 [pid 5138] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5138] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5138] close(3) = 0 [pid 5138] close(4) = 0 [pid 5138] close(5) = -1 EBADF (Bad file descriptor) [pid 5138] close(6) = -1 EBADF (Bad file descriptor) [pid 5138] close(7) = -1 EBADF (Bad file descriptor) [pid 5138] close(8) = -1 EBADF (Bad file descriptor) [pid 5138] close(9) = -1 EBADF (Bad file descriptor) [pid 5138] close(10) = -1 EBADF (Bad file descriptor) [pid 5138] close(11) = -1 EBADF (Bad file descriptor) [pid 5138] close(12) = -1 EBADF (Bad file descriptor) [pid 5138] close(13) = -1 EBADF (Bad file descriptor) [pid 5138] close(14) = -1 EBADF (Bad file descriptor) [pid 5138] close(15) = -1 EBADF (Bad file descriptor) [pid 5138] close(16) = -1 EBADF (Bad file descriptor) [pid 5138] close(17) = -1 EBADF (Bad file descriptor) [pid 5138] close(18) = -1 EBADF (Bad file descriptor) [pid 5138] close(19) = -1 EBADF (Bad file descriptor) [pid 5138] close(20) = -1 EBADF (Bad file descriptor) [pid 5138] close(21) = -1 EBADF (Bad file descriptor) [pid 5138] close(22) = -1 EBADF (Bad file descriptor) [pid 5138] close(23) = -1 EBADF (Bad file descriptor) [pid 5138] close(24) = -1 EBADF (Bad file descriptor) [pid 5138] close(25) = -1 EBADF (Bad file descriptor) [pid 5138] close(26) = -1 EBADF (Bad file descriptor) [pid 5138] close(27) = -1 EBADF (Bad file descriptor) [pid 5138] close(28) = -1 EBADF (Bad file descriptor) [pid 5138] close(29) = -1 EBADF (Bad file descriptor) [pid 5138] exit_group(0) = ? [pid 5138] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./131/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./131/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./131/cgroup.cpu") = 0 [pid 5005] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./131/binderfs") = 0 [pid 5005] umount2("./131/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./131/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./131/cgroup") = 0 [pid 5005] umount2("./131/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./131/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./131/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./131") = 0 [pid 5005] mkdir("./132", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5139 attached [pid 5139] chdir("./132") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 134 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5139] setpgid(0, 0) = 0 [pid 5139] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5139] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5139] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5139] write(3, "1000", 4) = 4 [pid 5139] close(3) = 0 [pid 5139] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5139] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5139] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5139] openat(3, "freezer.state", O_RDWR) = 4 [pid 5139] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5139] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5139] close(3) = 0 [pid 5139] close(4) = 0 [pid 5139] close(5) = -1 EBADF (Bad file descriptor) [pid 5139] close(6) = -1 EBADF (Bad file descriptor) [pid 5139] close(7) = -1 EBADF (Bad file descriptor) [pid 5139] close(8) = -1 EBADF (Bad file descriptor) [pid 5139] close(9) = -1 EBADF (Bad file descriptor) [pid 5139] close(10) = -1 EBADF (Bad file descriptor) [pid 5139] close(11) = -1 EBADF (Bad file descriptor) [pid 5139] close(12) = -1 EBADF (Bad file descriptor) [pid 5139] close(13) = -1 EBADF (Bad file descriptor) [pid 5139] close(14) = -1 EBADF (Bad file descriptor) [pid 5139] close(15) = -1 EBADF (Bad file descriptor) [pid 5139] close(16) = -1 EBADF (Bad file descriptor) [pid 5139] close(17) = -1 EBADF (Bad file descriptor) [pid 5139] close(18) = -1 EBADF (Bad file descriptor) [pid 5139] close(19) = -1 EBADF (Bad file descriptor) [pid 5139] close(20) = -1 EBADF (Bad file descriptor) [pid 5139] close(21) = -1 EBADF (Bad file descriptor) [pid 5139] close(22) = -1 EBADF (Bad file descriptor) [pid 5139] close(23) = -1 EBADF (Bad file descriptor) [pid 5139] close(24) = -1 EBADF (Bad file descriptor) [pid 5139] close(25) = -1 EBADF (Bad file descriptor) [pid 5139] close(26) = -1 EBADF (Bad file descriptor) [pid 5139] close(27) = -1 EBADF (Bad file descriptor) [pid 5139] close(28) = -1 EBADF (Bad file descriptor) [pid 5139] close(29) = -1 EBADF (Bad file descriptor) [pid 5139] exit_group(0) = ? [pid 5139] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./132/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./132/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./132/cgroup.cpu") = 0 [pid 5005] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./132/binderfs") = 0 [pid 5005] umount2("./132/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./132/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./132/cgroup") = 0 [pid 5005] umount2("./132/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./132/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./132/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./132") = 0 [pid 5005] mkdir("./133", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5140 attached [pid 5140] chdir("./133") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 135 [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5140] setpgid(0, 0) = 0 [pid 5140] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5140] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5140] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5140] write(3, "1000", 4) = 4 [pid 5140] close(3) = 0 [pid 5140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5140] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5140] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5140] openat(3, "freezer.state", O_RDWR) = 4 [pid 5140] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5140] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5140] close(3) = 0 [pid 5140] close(4) = 0 [pid 5140] close(5) = -1 EBADF (Bad file descriptor) [pid 5140] close(6) = -1 EBADF (Bad file descriptor) [pid 5140] close(7) = -1 EBADF (Bad file descriptor) [pid 5140] close(8) = -1 EBADF (Bad file descriptor) [pid 5140] close(9) = -1 EBADF (Bad file descriptor) [pid 5140] close(10) = -1 EBADF (Bad file descriptor) [pid 5140] close(11) = -1 EBADF (Bad file descriptor) [pid 5140] close(12) = -1 EBADF (Bad file descriptor) [pid 5140] close(13) = -1 EBADF (Bad file descriptor) [pid 5140] close(14) = -1 EBADF (Bad file descriptor) [pid 5140] close(15) = -1 EBADF (Bad file descriptor) [pid 5140] close(16) = -1 EBADF (Bad file descriptor) [pid 5140] close(17) = -1 EBADF (Bad file descriptor) [pid 5140] close(18) = -1 EBADF (Bad file descriptor) [pid 5140] close(19) = -1 EBADF (Bad file descriptor) [pid 5140] close(20) = -1 EBADF (Bad file descriptor) [pid 5140] close(21) = -1 EBADF (Bad file descriptor) [pid 5140] close(22) = -1 EBADF (Bad file descriptor) [pid 5140] close(23) = -1 EBADF (Bad file descriptor) [pid 5140] close(24) = -1 EBADF (Bad file descriptor) [pid 5140] close(25) = -1 EBADF (Bad file descriptor) [pid 5140] close(26) = -1 EBADF (Bad file descriptor) [pid 5140] close(27) = -1 EBADF (Bad file descriptor) [pid 5140] close(28) = -1 EBADF (Bad file descriptor) [pid 5140] close(29) = -1 EBADF (Bad file descriptor) [pid 5140] exit_group(0) = ? [pid 5140] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./133/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./133/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./133/cgroup.cpu") = 0 [pid 5005] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./133/binderfs") = 0 [pid 5005] umount2("./133/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./133/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./133/cgroup") = 0 [pid 5005] umount2("./133/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./133/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./133/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./133") = 0 [pid 5005] mkdir("./134", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5141 attached [pid 5141] chdir("./134") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 136 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5141] setpgid(0, 0) = 0 [pid 5141] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5141] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5141] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5141] write(3, "1000", 4) = 4 [pid 5141] close(3) = 0 [pid 5141] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5141] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5141] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5141] openat(3, "freezer.state", O_RDWR) = 4 [pid 5141] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5141] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5141] close(3) = 0 [pid 5141] close(4) = 0 [pid 5141] close(5) = -1 EBADF (Bad file descriptor) [pid 5141] close(6) = -1 EBADF (Bad file descriptor) [pid 5141] close(7) = -1 EBADF (Bad file descriptor) [pid 5141] close(8) = -1 EBADF (Bad file descriptor) [pid 5141] close(9) = -1 EBADF (Bad file descriptor) [pid 5141] close(10) = -1 EBADF (Bad file descriptor) [pid 5141] close(11) = -1 EBADF (Bad file descriptor) [pid 5141] close(12) = -1 EBADF (Bad file descriptor) [pid 5141] close(13) = -1 EBADF (Bad file descriptor) [pid 5141] close(14) = -1 EBADF (Bad file descriptor) [pid 5141] close(15) = -1 EBADF (Bad file descriptor) [pid 5141] close(16) = -1 EBADF (Bad file descriptor) [pid 5141] close(17) = -1 EBADF (Bad file descriptor) [pid 5141] close(18) = -1 EBADF (Bad file descriptor) [pid 5141] close(19) = -1 EBADF (Bad file descriptor) [pid 5141] close(20) = -1 EBADF (Bad file descriptor) [pid 5141] close(21) = -1 EBADF (Bad file descriptor) [pid 5141] close(22) = -1 EBADF (Bad file descriptor) [pid 5141] close(23) = -1 EBADF (Bad file descriptor) [pid 5141] close(24) = -1 EBADF (Bad file descriptor) [pid 5141] close(25) = -1 EBADF (Bad file descriptor) [pid 5141] close(26) = -1 EBADF (Bad file descriptor) [pid 5141] close(27) = -1 EBADF (Bad file descriptor) [pid 5141] close(28) = -1 EBADF (Bad file descriptor) [pid 5141] close(29) = -1 EBADF (Bad file descriptor) [pid 5141] exit_group(0) = ? [pid 5141] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./134/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./134/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./134/cgroup.cpu") = 0 [pid 5005] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./134/binderfs") = 0 [pid 5005] umount2("./134/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./134/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./134/cgroup") = 0 [pid 5005] umount2("./134/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./134/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./134/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./134") = 0 [pid 5005] mkdir("./135", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5142 attached [pid 5142] chdir("./135") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 137 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5142] setpgid(0, 0) = 0 [pid 5142] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5142] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5142] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5142] write(3, "1000", 4) = 4 [pid 5142] close(3) = 0 [pid 5142] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5142] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5142] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5142] openat(3, "freezer.state", O_RDWR) = 4 [pid 5142] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5142] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5142] close(3) = 0 [pid 5142] close(4) = 0 [pid 5142] close(5) = -1 EBADF (Bad file descriptor) [pid 5142] close(6) = -1 EBADF (Bad file descriptor) [pid 5142] close(7) = -1 EBADF (Bad file descriptor) [pid 5142] close(8) = -1 EBADF (Bad file descriptor) [pid 5142] close(9) = -1 EBADF (Bad file descriptor) [pid 5142] close(10) = -1 EBADF (Bad file descriptor) [pid 5142] close(11) = -1 EBADF (Bad file descriptor) [pid 5142] close(12) = -1 EBADF (Bad file descriptor) [pid 5142] close(13) = -1 EBADF (Bad file descriptor) [pid 5142] close(14) = -1 EBADF (Bad file descriptor) [pid 5142] close(15) = -1 EBADF (Bad file descriptor) [pid 5142] close(16) = -1 EBADF (Bad file descriptor) [pid 5142] close(17) = -1 EBADF (Bad file descriptor) [pid 5142] close(18) = -1 EBADF (Bad file descriptor) [pid 5142] close(19) = -1 EBADF (Bad file descriptor) [pid 5142] close(20) = -1 EBADF (Bad file descriptor) [pid 5142] close(21) = -1 EBADF (Bad file descriptor) [pid 5142] close(22) = -1 EBADF (Bad file descriptor) [pid 5142] close(23) = -1 EBADF (Bad file descriptor) [pid 5142] close(24) = -1 EBADF (Bad file descriptor) [pid 5142] close(25) = -1 EBADF (Bad file descriptor) [pid 5142] close(26) = -1 EBADF (Bad file descriptor) [pid 5142] close(27) = -1 EBADF (Bad file descriptor) [pid 5142] close(28) = -1 EBADF (Bad file descriptor) [pid 5142] close(29) = -1 EBADF (Bad file descriptor) [pid 5142] exit_group(0) = ? [pid 5142] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./135/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./135/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./135/cgroup.cpu") = 0 [pid 5005] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./135/binderfs") = 0 [pid 5005] umount2("./135/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./135/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./135/cgroup") = 0 [pid 5005] umount2("./135/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./135/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./135/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./135") = 0 [pid 5005] mkdir("./136", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5143 attached [pid 5143] chdir("./136") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 138 [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5143] setpgid(0, 0) = 0 [pid 5143] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5143] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5143] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5143] write(3, "1000", 4) = 4 [pid 5143] close(3) = 0 [pid 5143] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5143] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5143] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5143] openat(3, "freezer.state", O_RDWR) = 4 [pid 5143] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5143] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5143] close(3) = 0 [pid 5143] close(4) = 0 [pid 5143] close(5) = -1 EBADF (Bad file descriptor) [pid 5143] close(6) = -1 EBADF (Bad file descriptor) [pid 5143] close(7) = -1 EBADF (Bad file descriptor) [pid 5143] close(8) = -1 EBADF (Bad file descriptor) [pid 5143] close(9) = -1 EBADF (Bad file descriptor) [pid 5143] close(10) = -1 EBADF (Bad file descriptor) [pid 5143] close(11) = -1 EBADF (Bad file descriptor) [pid 5143] close(12) = -1 EBADF (Bad file descriptor) [pid 5143] close(13) = -1 EBADF (Bad file descriptor) [pid 5143] close(14) = -1 EBADF (Bad file descriptor) [pid 5143] close(15) = -1 EBADF (Bad file descriptor) [pid 5143] close(16) = -1 EBADF (Bad file descriptor) [pid 5143] close(17) = -1 EBADF (Bad file descriptor) [pid 5143] close(18) = -1 EBADF (Bad file descriptor) [pid 5143] close(19) = -1 EBADF (Bad file descriptor) [pid 5143] close(20) = -1 EBADF (Bad file descriptor) [pid 5143] close(21) = -1 EBADF (Bad file descriptor) [pid 5143] close(22) = -1 EBADF (Bad file descriptor) [pid 5143] close(23) = -1 EBADF (Bad file descriptor) [pid 5143] close(24) = -1 EBADF (Bad file descriptor) [pid 5143] close(25) = -1 EBADF (Bad file descriptor) [pid 5143] close(26) = -1 EBADF (Bad file descriptor) [pid 5143] close(27) = -1 EBADF (Bad file descriptor) [pid 5143] close(28) = -1 EBADF (Bad file descriptor) [pid 5143] close(29) = -1 EBADF (Bad file descriptor) [pid 5143] exit_group(0) = ? [pid 5143] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./136/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./136/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./136/cgroup.cpu") = 0 [pid 5005] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./136/binderfs") = 0 [pid 5005] umount2("./136/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./136/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./136/cgroup") = 0 [pid 5005] umount2("./136/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./136/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./136/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./136") = 0 [pid 5005] mkdir("./137", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5144 attached [pid 5144] chdir("./137") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 139 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5144] setpgid(0, 0) = 0 [pid 5144] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5144] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5144] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5144] write(3, "1000", 4) = 4 [pid 5144] close(3) = 0 [pid 5144] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5144] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5144] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5144] openat(3, "freezer.state", O_RDWR) = 4 [pid 5144] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5144] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5144] close(3) = 0 [pid 5144] close(4) = 0 [pid 5144] close(5) = -1 EBADF (Bad file descriptor) [pid 5144] close(6) = -1 EBADF (Bad file descriptor) [pid 5144] close(7) = -1 EBADF (Bad file descriptor) [pid 5144] close(8) = -1 EBADF (Bad file descriptor) [pid 5144] close(9) = -1 EBADF (Bad file descriptor) [pid 5144] close(10) = -1 EBADF (Bad file descriptor) [pid 5144] close(11) = -1 EBADF (Bad file descriptor) [pid 5144] close(12) = -1 EBADF (Bad file descriptor) [pid 5144] close(13) = -1 EBADF (Bad file descriptor) [pid 5144] close(14) = -1 EBADF (Bad file descriptor) [pid 5144] close(15) = -1 EBADF (Bad file descriptor) [pid 5144] close(16) = -1 EBADF (Bad file descriptor) [pid 5144] close(17) = -1 EBADF (Bad file descriptor) [pid 5144] close(18) = -1 EBADF (Bad file descriptor) [pid 5144] close(19) = -1 EBADF (Bad file descriptor) [pid 5144] close(20) = -1 EBADF (Bad file descriptor) [pid 5144] close(21) = -1 EBADF (Bad file descriptor) [pid 5144] close(22) = -1 EBADF (Bad file descriptor) [pid 5144] close(23) = -1 EBADF (Bad file descriptor) [pid 5144] close(24) = -1 EBADF (Bad file descriptor) [pid 5144] close(25) = -1 EBADF (Bad file descriptor) [pid 5144] close(26) = -1 EBADF (Bad file descriptor) [pid 5144] close(27) = -1 EBADF (Bad file descriptor) [pid 5144] close(28) = -1 EBADF (Bad file descriptor) [pid 5144] close(29) = -1 EBADF (Bad file descriptor) [pid 5144] exit_group(0) = ? [pid 5144] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./137/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./137/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./137/cgroup.cpu") = 0 [pid 5005] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./137/binderfs") = 0 [pid 5005] umount2("./137/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./137/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./137/cgroup") = 0 [pid 5005] umount2("./137/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./137/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./137/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./137") = 0 [pid 5005] mkdir("./138", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5145 attached [pid 5145] chdir("./138") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 140 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5145] setpgid(0, 0) = 0 [pid 5145] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5145] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5145] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5145] write(3, "1000", 4) = 4 [pid 5145] close(3) = 0 [pid 5145] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5145] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5145] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5145] openat(3, "freezer.state", O_RDWR) = 4 [pid 5145] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5145] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5145] close(3) = 0 [pid 5145] close(4) = 0 [pid 5145] close(5) = -1 EBADF (Bad file descriptor) [pid 5145] close(6) = -1 EBADF (Bad file descriptor) [pid 5145] close(7) = -1 EBADF (Bad file descriptor) [pid 5145] close(8) = -1 EBADF (Bad file descriptor) [pid 5145] close(9) = -1 EBADF (Bad file descriptor) [pid 5145] close(10) = -1 EBADF (Bad file descriptor) [pid 5145] close(11) = -1 EBADF (Bad file descriptor) [pid 5145] close(12) = -1 EBADF (Bad file descriptor) [pid 5145] close(13) = -1 EBADF (Bad file descriptor) [pid 5145] close(14) = -1 EBADF (Bad file descriptor) [pid 5145] close(15) = -1 EBADF (Bad file descriptor) [pid 5145] close(16) = -1 EBADF (Bad file descriptor) [pid 5145] close(17) = -1 EBADF (Bad file descriptor) [pid 5145] close(18) = -1 EBADF (Bad file descriptor) [pid 5145] close(19) = -1 EBADF (Bad file descriptor) [pid 5145] close(20) = -1 EBADF (Bad file descriptor) [pid 5145] close(21) = -1 EBADF (Bad file descriptor) [pid 5145] close(22) = -1 EBADF (Bad file descriptor) [pid 5145] close(23) = -1 EBADF (Bad file descriptor) [pid 5145] close(24) = -1 EBADF (Bad file descriptor) [pid 5145] close(25) = -1 EBADF (Bad file descriptor) [pid 5145] close(26) = -1 EBADF (Bad file descriptor) [pid 5145] close(27) = -1 EBADF (Bad file descriptor) [pid 5145] close(28) = -1 EBADF (Bad file descriptor) [pid 5145] close(29) = -1 EBADF (Bad file descriptor) [pid 5145] exit_group(0) = ? [pid 5145] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./138/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./138/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./138/cgroup.cpu") = 0 [pid 5005] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./138/binderfs") = 0 [pid 5005] umount2("./138/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./138/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./138/cgroup") = 0 [pid 5005] umount2("./138/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./138/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./138/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./138") = 0 [pid 5005] mkdir("./139", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5146 attached [pid 5146] chdir("./139") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 141 [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5146] setpgid(0, 0) = 0 [pid 5146] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5146] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5146] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5146] write(3, "1000", 4) = 4 [pid 5146] close(3) = 0 [pid 5146] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5146] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5146] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5146] openat(3, "freezer.state", O_RDWR) = 4 [pid 5146] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5146] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5146] close(3) = 0 [pid 5146] close(4) = 0 [pid 5146] close(5) = -1 EBADF (Bad file descriptor) [pid 5146] close(6) = -1 EBADF (Bad file descriptor) [pid 5146] close(7) = -1 EBADF (Bad file descriptor) [pid 5146] close(8) = -1 EBADF (Bad file descriptor) [pid 5146] close(9) = -1 EBADF (Bad file descriptor) [pid 5146] close(10) = -1 EBADF (Bad file descriptor) [pid 5146] close(11) = -1 EBADF (Bad file descriptor) [pid 5146] close(12) = -1 EBADF (Bad file descriptor) [pid 5146] close(13) = -1 EBADF (Bad file descriptor) [pid 5146] close(14) = -1 EBADF (Bad file descriptor) [pid 5146] close(15) = -1 EBADF (Bad file descriptor) [pid 5146] close(16) = -1 EBADF (Bad file descriptor) [pid 5146] close(17) = -1 EBADF (Bad file descriptor) [pid 5146] close(18) = -1 EBADF (Bad file descriptor) [pid 5146] close(19) = -1 EBADF (Bad file descriptor) [pid 5146] close(20) = -1 EBADF (Bad file descriptor) [pid 5146] close(21) = -1 EBADF (Bad file descriptor) [pid 5146] close(22) = -1 EBADF (Bad file descriptor) [pid 5146] close(23) = -1 EBADF (Bad file descriptor) [pid 5146] close(24) = -1 EBADF (Bad file descriptor) [pid 5146] close(25) = -1 EBADF (Bad file descriptor) [pid 5146] close(26) = -1 EBADF (Bad file descriptor) [pid 5146] close(27) = -1 EBADF (Bad file descriptor) [pid 5146] close(28) = -1 EBADF (Bad file descriptor) [pid 5146] close(29) = -1 EBADF (Bad file descriptor) [pid 5146] exit_group(0) = ? [pid 5146] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./139/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./139/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./139/cgroup.cpu") = 0 [pid 5005] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./139/binderfs") = 0 [pid 5005] umount2("./139/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./139/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./139/cgroup") = 0 [pid 5005] umount2("./139/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./139/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./139/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./139") = 0 [pid 5005] mkdir("./140", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5147 attached [pid 5147] chdir("./140") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 142 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5147] setpgid(0, 0) = 0 [pid 5147] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5147] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5147] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5147] write(3, "1000", 4) = 4 [pid 5147] close(3) = 0 [pid 5147] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5147] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5147] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5147] openat(3, "freezer.state", O_RDWR) = 4 [pid 5147] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5147] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5147] close(3) = 0 [pid 5147] close(4) = 0 [pid 5147] close(5) = -1 EBADF (Bad file descriptor) [pid 5147] close(6) = -1 EBADF (Bad file descriptor) [pid 5147] close(7) = -1 EBADF (Bad file descriptor) [pid 5147] close(8) = -1 EBADF (Bad file descriptor) [pid 5147] close(9) = -1 EBADF (Bad file descriptor) [pid 5147] close(10) = -1 EBADF (Bad file descriptor) [pid 5147] close(11) = -1 EBADF (Bad file descriptor) [pid 5147] close(12) = -1 EBADF (Bad file descriptor) [pid 5147] close(13) = -1 EBADF (Bad file descriptor) [pid 5147] close(14) = -1 EBADF (Bad file descriptor) [pid 5147] close(15) = -1 EBADF (Bad file descriptor) [pid 5147] close(16) = -1 EBADF (Bad file descriptor) [pid 5147] close(17) = -1 EBADF (Bad file descriptor) [pid 5147] close(18) = -1 EBADF (Bad file descriptor) [pid 5147] close(19) = -1 EBADF (Bad file descriptor) [pid 5147] close(20) = -1 EBADF (Bad file descriptor) [pid 5147] close(21) = -1 EBADF (Bad file descriptor) [pid 5147] close(22) = -1 EBADF (Bad file descriptor) [pid 5147] close(23) = -1 EBADF (Bad file descriptor) [pid 5147] close(24) = -1 EBADF (Bad file descriptor) [pid 5147] close(25) = -1 EBADF (Bad file descriptor) [pid 5147] close(26) = -1 EBADF (Bad file descriptor) [pid 5147] close(27) = -1 EBADF (Bad file descriptor) [pid 5147] close(28) = -1 EBADF (Bad file descriptor) [pid 5147] close(29) = -1 EBADF (Bad file descriptor) [pid 5147] exit_group(0) = ? [pid 5147] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./140/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./140/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./140/cgroup.cpu") = 0 [pid 5005] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./140/binderfs") = 0 [pid 5005] umount2("./140/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./140/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./140/cgroup") = 0 [pid 5005] umount2("./140/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./140/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./140/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./140") = 0 [pid 5005] mkdir("./141", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5148 attached [pid 5148] chdir("./141") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 143 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5148] setpgid(0, 0) = 0 [pid 5148] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5148] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5148] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5148] write(3, "1000", 4) = 4 [pid 5148] close(3) = 0 [pid 5148] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5148] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5148] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5148] openat(3, "freezer.state", O_RDWR) = 4 [pid 5148] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5148] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5148] close(3) = 0 [pid 5148] close(4) = 0 [pid 5148] close(5) = -1 EBADF (Bad file descriptor) [pid 5148] close(6) = -1 EBADF (Bad file descriptor) [pid 5148] close(7) = -1 EBADF (Bad file descriptor) [pid 5148] close(8) = -1 EBADF (Bad file descriptor) [pid 5148] close(9) = -1 EBADF (Bad file descriptor) [pid 5148] close(10) = -1 EBADF (Bad file descriptor) [pid 5148] close(11) = -1 EBADF (Bad file descriptor) [pid 5148] close(12) = -1 EBADF (Bad file descriptor) [pid 5148] close(13) = -1 EBADF (Bad file descriptor) [pid 5148] close(14) = -1 EBADF (Bad file descriptor) [pid 5148] close(15) = -1 EBADF (Bad file descriptor) [pid 5148] close(16) = -1 EBADF (Bad file descriptor) [pid 5148] close(17) = -1 EBADF (Bad file descriptor) [pid 5148] close(18) = -1 EBADF (Bad file descriptor) [pid 5148] close(19) = -1 EBADF (Bad file descriptor) [pid 5148] close(20) = -1 EBADF (Bad file descriptor) [pid 5148] close(21) = -1 EBADF (Bad file descriptor) [pid 5148] close(22) = -1 EBADF (Bad file descriptor) [pid 5148] close(23) = -1 EBADF (Bad file descriptor) [pid 5148] close(24) = -1 EBADF (Bad file descriptor) [pid 5148] close(25) = -1 EBADF (Bad file descriptor) [pid 5148] close(26) = -1 EBADF (Bad file descriptor) [pid 5148] close(27) = -1 EBADF (Bad file descriptor) [pid 5148] close(28) = -1 EBADF (Bad file descriptor) [pid 5148] close(29) = -1 EBADF (Bad file descriptor) [pid 5148] exit_group(0) = ? [pid 5148] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./141/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./141/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./141/cgroup.cpu") = 0 [pid 5005] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./141/binderfs") = 0 [pid 5005] umount2("./141/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./141/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./141/cgroup") = 0 [pid 5005] umount2("./141/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./141/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./141/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./141") = 0 [pid 5005] mkdir("./142", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5149 attached [pid 5149] chdir("./142") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 144 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5149] setpgid(0, 0) = 0 [pid 5149] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5149] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5149] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5149] write(3, "1000", 4) = 4 [pid 5149] close(3) = 0 [pid 5149] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5149] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5149] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5149] openat(3, "freezer.state", O_RDWR) = 4 [pid 5149] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5149] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5149] close(3) = 0 [pid 5149] close(4) = 0 [pid 5149] close(5) = -1 EBADF (Bad file descriptor) [pid 5149] close(6) = -1 EBADF (Bad file descriptor) [pid 5149] close(7) = -1 EBADF (Bad file descriptor) [pid 5149] close(8) = -1 EBADF (Bad file descriptor) [pid 5149] close(9) = -1 EBADF (Bad file descriptor) [pid 5149] close(10) = -1 EBADF (Bad file descriptor) [pid 5149] close(11) = -1 EBADF (Bad file descriptor) [pid 5149] close(12) = -1 EBADF (Bad file descriptor) [pid 5149] close(13) = -1 EBADF (Bad file descriptor) [pid 5149] close(14) = -1 EBADF (Bad file descriptor) [pid 5149] close(15) = -1 EBADF (Bad file descriptor) [pid 5149] close(16) = -1 EBADF (Bad file descriptor) [pid 5149] close(17) = -1 EBADF (Bad file descriptor) [pid 5149] close(18) = -1 EBADF (Bad file descriptor) [pid 5149] close(19) = -1 EBADF (Bad file descriptor) [pid 5149] close(20) = -1 EBADF (Bad file descriptor) [pid 5149] close(21) = -1 EBADF (Bad file descriptor) [pid 5149] close(22) = -1 EBADF (Bad file descriptor) [pid 5149] close(23) = -1 EBADF (Bad file descriptor) [pid 5149] close(24) = -1 EBADF (Bad file descriptor) [pid 5149] close(25) = -1 EBADF (Bad file descriptor) [pid 5149] close(26) = -1 EBADF (Bad file descriptor) [pid 5149] close(27) = -1 EBADF (Bad file descriptor) [pid 5149] close(28) = -1 EBADF (Bad file descriptor) [pid 5149] close(29) = -1 EBADF (Bad file descriptor) [pid 5149] exit_group(0) = ? [pid 5149] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./142/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./142/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./142/cgroup.cpu") = 0 [pid 5005] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./142/binderfs") = 0 [pid 5005] umount2("./142/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./142/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./142/cgroup") = 0 [pid 5005] umount2("./142/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./142/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./142/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./142") = 0 [pid 5005] mkdir("./143", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 145 ./strace-static-x86_64: Process 5150 attached [pid 5150] chdir("./143") = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5150] setpgid(0, 0) = 0 [pid 5150] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5150] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5150] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5150] write(3, "1000", 4) = 4 [pid 5150] close(3) = 0 [pid 5150] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5150] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5150] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5150] openat(3, "freezer.state", O_RDWR) = 4 [pid 5150] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5150] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5150] close(3) = 0 [pid 5150] close(4) = 0 [pid 5150] close(5) = -1 EBADF (Bad file descriptor) [pid 5150] close(6) = -1 EBADF (Bad file descriptor) [pid 5150] close(7) = -1 EBADF (Bad file descriptor) [pid 5150] close(8) = -1 EBADF (Bad file descriptor) [pid 5150] close(9) = -1 EBADF (Bad file descriptor) [pid 5150] close(10) = -1 EBADF (Bad file descriptor) [pid 5150] close(11) = -1 EBADF (Bad file descriptor) [pid 5150] close(12) = -1 EBADF (Bad file descriptor) [pid 5150] close(13) = -1 EBADF (Bad file descriptor) [pid 5150] close(14) = -1 EBADF (Bad file descriptor) [pid 5150] close(15) = -1 EBADF (Bad file descriptor) [pid 5150] close(16) = -1 EBADF (Bad file descriptor) [pid 5150] close(17) = -1 EBADF (Bad file descriptor) [pid 5150] close(18) = -1 EBADF (Bad file descriptor) [pid 5150] close(19) = -1 EBADF (Bad file descriptor) [pid 5150] close(20) = -1 EBADF (Bad file descriptor) [pid 5150] close(21) = -1 EBADF (Bad file descriptor) [pid 5150] close(22) = -1 EBADF (Bad file descriptor) [pid 5150] close(23) = -1 EBADF (Bad file descriptor) [pid 5150] close(24) = -1 EBADF (Bad file descriptor) [pid 5150] close(25) = -1 EBADF (Bad file descriptor) [pid 5150] close(26) = -1 EBADF (Bad file descriptor) [pid 5150] close(27) = -1 EBADF (Bad file descriptor) [pid 5150] close(28) = -1 EBADF (Bad file descriptor) [pid 5150] close(29) = -1 EBADF (Bad file descriptor) [pid 5150] exit_group(0) = ? [pid 5150] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./143/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./143/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./143/cgroup.cpu") = 0 [pid 5005] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./143/binderfs") = 0 [pid 5005] umount2("./143/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./143/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./143/cgroup") = 0 [pid 5005] umount2("./143/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./143/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./143/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./143") = 0 [pid 5005] mkdir("./144", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 146 ./strace-static-x86_64: Process 5151 attached [pid 5151] chdir("./144") = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5151] setpgid(0, 0) = 0 [pid 5151] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5151] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5151] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5151] write(3, "1000", 4) = 4 [pid 5151] close(3) = 0 [pid 5151] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5151] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5151] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5151] openat(3, "freezer.state", O_RDWR) = 4 [pid 5151] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5151] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5151] close(3) = 0 [pid 5151] close(4) = 0 [pid 5151] close(5) = -1 EBADF (Bad file descriptor) [pid 5151] close(6) = -1 EBADF (Bad file descriptor) [pid 5151] close(7) = -1 EBADF (Bad file descriptor) [pid 5151] close(8) = -1 EBADF (Bad file descriptor) [pid 5151] close(9) = -1 EBADF (Bad file descriptor) [pid 5151] close(10) = -1 EBADF (Bad file descriptor) [pid 5151] close(11) = -1 EBADF (Bad file descriptor) [pid 5151] close(12) = -1 EBADF (Bad file descriptor) [pid 5151] close(13) = -1 EBADF (Bad file descriptor) [pid 5151] close(14) = -1 EBADF (Bad file descriptor) [pid 5151] close(15) = -1 EBADF (Bad file descriptor) [pid 5151] close(16) = -1 EBADF (Bad file descriptor) [pid 5151] close(17) = -1 EBADF (Bad file descriptor) [pid 5151] close(18) = -1 EBADF (Bad file descriptor) [pid 5151] close(19) = -1 EBADF (Bad file descriptor) [pid 5151] close(20) = -1 EBADF (Bad file descriptor) [pid 5151] close(21) = -1 EBADF (Bad file descriptor) [pid 5151] close(22) = -1 EBADF (Bad file descriptor) [pid 5151] close(23) = -1 EBADF (Bad file descriptor) [pid 5151] close(24) = -1 EBADF (Bad file descriptor) [pid 5151] close(25) = -1 EBADF (Bad file descriptor) [pid 5151] close(26) = -1 EBADF (Bad file descriptor) [pid 5151] close(27) = -1 EBADF (Bad file descriptor) [pid 5151] close(28) = -1 EBADF (Bad file descriptor) [pid 5151] close(29) = -1 EBADF (Bad file descriptor) [pid 5151] exit_group(0) = ? [pid 5151] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./144/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./144/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./144/cgroup.cpu") = 0 [pid 5005] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./144/binderfs") = 0 [pid 5005] umount2("./144/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./144/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./144/cgroup") = 0 [pid 5005] umount2("./144/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./144/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./144/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./144") = 0 [pid 5005] mkdir("./145", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5152 attached [pid 5152] chdir("./145") = 0 [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 147 [pid 5152] <... prctl resumed>) = 0 [pid 5152] setpgid(0, 0) = 0 [pid 5152] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5152] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5152] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5152] write(3, "1000", 4) = 4 [pid 5152] close(3) = 0 [pid 5152] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5152] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5152] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5152] openat(3, "freezer.state", O_RDWR) = 4 [pid 5152] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5152] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5152] close(3) = 0 [pid 5152] close(4) = 0 [pid 5152] close(5) = -1 EBADF (Bad file descriptor) [pid 5152] close(6) = -1 EBADF (Bad file descriptor) [pid 5152] close(7) = -1 EBADF (Bad file descriptor) [pid 5152] close(8) = -1 EBADF (Bad file descriptor) [pid 5152] close(9) = -1 EBADF (Bad file descriptor) [pid 5152] close(10) = -1 EBADF (Bad file descriptor) [pid 5152] close(11) = -1 EBADF (Bad file descriptor) [pid 5152] close(12) = -1 EBADF (Bad file descriptor) [pid 5152] close(13) = -1 EBADF (Bad file descriptor) [pid 5152] close(14) = -1 EBADF (Bad file descriptor) [pid 5152] close(15) = -1 EBADF (Bad file descriptor) [pid 5152] close(16) = -1 EBADF (Bad file descriptor) [pid 5152] close(17) = -1 EBADF (Bad file descriptor) [pid 5152] close(18) = -1 EBADF (Bad file descriptor) [pid 5152] close(19) = -1 EBADF (Bad file descriptor) [pid 5152] close(20) = -1 EBADF (Bad file descriptor) [pid 5152] close(21) = -1 EBADF (Bad file descriptor) [pid 5152] close(22) = -1 EBADF (Bad file descriptor) [pid 5152] close(23) = -1 EBADF (Bad file descriptor) [pid 5152] close(24) = -1 EBADF (Bad file descriptor) [pid 5152] close(25) = -1 EBADF (Bad file descriptor) [pid 5152] close(26) = -1 EBADF (Bad file descriptor) [pid 5152] close(27) = -1 EBADF (Bad file descriptor) [pid 5152] close(28) = -1 EBADF (Bad file descriptor) [pid 5152] close(29) = -1 EBADF (Bad file descriptor) [pid 5152] exit_group(0) = ? [pid 5152] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./145/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./145/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./145/cgroup.cpu") = 0 [pid 5005] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./145/binderfs") = 0 [pid 5005] umount2("./145/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./145/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./145/cgroup") = 0 [pid 5005] umount2("./145/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./145/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./145/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./145") = 0 [pid 5005] mkdir("./146", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5153 attached [pid 5153] chdir("./146") = 0 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5153] setpgid(0, 0) = 0 [pid 5153] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 148 [pid 5153] <... symlink resumed>) = 0 [pid 5153] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5153] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5153] write(3, "1000", 4) = 4 [pid 5153] close(3) = 0 [pid 5153] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5153] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5153] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5153] openat(3, "freezer.state", O_RDWR) = 4 [pid 5153] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5153] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5153] close(3) = 0 [pid 5153] close(4) = 0 [pid 5153] close(5) = -1 EBADF (Bad file descriptor) [pid 5153] close(6) = -1 EBADF (Bad file descriptor) [pid 5153] close(7) = -1 EBADF (Bad file descriptor) [pid 5153] close(8) = -1 EBADF (Bad file descriptor) [pid 5153] close(9) = -1 EBADF (Bad file descriptor) [pid 5153] close(10) = -1 EBADF (Bad file descriptor) [pid 5153] close(11) = -1 EBADF (Bad file descriptor) [pid 5153] close(12) = -1 EBADF (Bad file descriptor) [pid 5153] close(13) = -1 EBADF (Bad file descriptor) [pid 5153] close(14) = -1 EBADF (Bad file descriptor) [pid 5153] close(15) = -1 EBADF (Bad file descriptor) [pid 5153] close(16) = -1 EBADF (Bad file descriptor) [pid 5153] close(17) = -1 EBADF (Bad file descriptor) [pid 5153] close(18) = -1 EBADF (Bad file descriptor) [pid 5153] close(19) = -1 EBADF (Bad file descriptor) [pid 5153] close(20) = -1 EBADF (Bad file descriptor) [pid 5153] close(21) = -1 EBADF (Bad file descriptor) [pid 5153] close(22) = -1 EBADF (Bad file descriptor) [pid 5153] close(23) = -1 EBADF (Bad file descriptor) [pid 5153] close(24) = -1 EBADF (Bad file descriptor) [pid 5153] close(25) = -1 EBADF (Bad file descriptor) [pid 5153] close(26) = -1 EBADF (Bad file descriptor) [pid 5153] close(27) = -1 EBADF (Bad file descriptor) [pid 5153] close(28) = -1 EBADF (Bad file descriptor) [pid 5153] close(29) = -1 EBADF (Bad file descriptor) [pid 5153] exit_group(0) = ? [pid 5153] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./146/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./146/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./146/cgroup.cpu") = 0 [pid 5005] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./146/binderfs") = 0 [pid 5005] umount2("./146/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./146/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./146/cgroup") = 0 [pid 5005] umount2("./146/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./146/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./146/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./146") = 0 [pid 5005] mkdir("./147", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5154 attached [pid 5154] chdir("./147") = 0 [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5154] setpgid(0, 0) = 0 [pid 5154] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 149 [pid 5154] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5154] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5154] write(3, "1000", 4) = 4 [pid 5154] close(3) = 0 [pid 5154] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5154] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5154] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5154] openat(3, "freezer.state", O_RDWR) = 4 [pid 5154] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5154] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5154] close(3) = 0 [pid 5154] close(4) = 0 [pid 5154] close(5) = -1 EBADF (Bad file descriptor) [pid 5154] close(6) = -1 EBADF (Bad file descriptor) [pid 5154] close(7) = -1 EBADF (Bad file descriptor) [pid 5154] close(8) = -1 EBADF (Bad file descriptor) [pid 5154] close(9) = -1 EBADF (Bad file descriptor) [pid 5154] close(10) = -1 EBADF (Bad file descriptor) [pid 5154] close(11) = -1 EBADF (Bad file descriptor) [pid 5154] close(12) = -1 EBADF (Bad file descriptor) [pid 5154] close(13) = -1 EBADF (Bad file descriptor) [pid 5154] close(14) = -1 EBADF (Bad file descriptor) [pid 5154] close(15) = -1 EBADF (Bad file descriptor) [pid 5154] close(16) = -1 EBADF (Bad file descriptor) [pid 5154] close(17) = -1 EBADF (Bad file descriptor) [pid 5154] close(18) = -1 EBADF (Bad file descriptor) [pid 5154] close(19) = -1 EBADF (Bad file descriptor) [pid 5154] close(20) = -1 EBADF (Bad file descriptor) [pid 5154] close(21) = -1 EBADF (Bad file descriptor) [pid 5154] close(22) = -1 EBADF (Bad file descriptor) [pid 5154] close(23) = -1 EBADF (Bad file descriptor) [pid 5154] close(24) = -1 EBADF (Bad file descriptor) [pid 5154] close(25) = -1 EBADF (Bad file descriptor) [pid 5154] close(26) = -1 EBADF (Bad file descriptor) [pid 5154] close(27) = -1 EBADF (Bad file descriptor) [pid 5154] close(28) = -1 EBADF (Bad file descriptor) [pid 5154] close(29) = -1 EBADF (Bad file descriptor) [pid 5154] exit_group(0) = ? [pid 5154] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./147/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./147/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./147/cgroup.cpu") = 0 [pid 5005] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./147/binderfs") = 0 [pid 5005] umount2("./147/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./147/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./147/cgroup") = 0 [pid 5005] umount2("./147/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./147/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./147/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./147") = 0 [pid 5005] mkdir("./148", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5155 attached [pid 5155] chdir("./148") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 150 [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5155] setpgid(0, 0) = 0 [pid 5155] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5155] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5155] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5155] write(3, "1000", 4) = 4 [pid 5155] close(3) = 0 [pid 5155] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5155] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5155] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5155] openat(3, "freezer.state", O_RDWR) = 4 [pid 5155] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5155] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5155] close(3) = 0 [pid 5155] close(4) = 0 [pid 5155] close(5) = -1 EBADF (Bad file descriptor) [pid 5155] close(6) = -1 EBADF (Bad file descriptor) [pid 5155] close(7) = -1 EBADF (Bad file descriptor) [pid 5155] close(8) = -1 EBADF (Bad file descriptor) [pid 5155] close(9) = -1 EBADF (Bad file descriptor) [pid 5155] close(10) = -1 EBADF (Bad file descriptor) [pid 5155] close(11) = -1 EBADF (Bad file descriptor) [pid 5155] close(12) = -1 EBADF (Bad file descriptor) [pid 5155] close(13) = -1 EBADF (Bad file descriptor) [pid 5155] close(14) = -1 EBADF (Bad file descriptor) [pid 5155] close(15) = -1 EBADF (Bad file descriptor) [pid 5155] close(16) = -1 EBADF (Bad file descriptor) [pid 5155] close(17) = -1 EBADF (Bad file descriptor) [pid 5155] close(18) = -1 EBADF (Bad file descriptor) [pid 5155] close(19) = -1 EBADF (Bad file descriptor) [pid 5155] close(20) = -1 EBADF (Bad file descriptor) [pid 5155] close(21) = -1 EBADF (Bad file descriptor) [pid 5155] close(22) = -1 EBADF (Bad file descriptor) [pid 5155] close(23) = -1 EBADF (Bad file descriptor) [pid 5155] close(24) = -1 EBADF (Bad file descriptor) [pid 5155] close(25) = -1 EBADF (Bad file descriptor) [pid 5155] close(26) = -1 EBADF (Bad file descriptor) [pid 5155] close(27) = -1 EBADF (Bad file descriptor) [pid 5155] close(28) = -1 EBADF (Bad file descriptor) [pid 5155] close(29) = -1 EBADF (Bad file descriptor) [pid 5155] exit_group(0) = ? [pid 5155] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./148/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./148/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./148/cgroup.cpu") = 0 [pid 5005] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./148/binderfs") = 0 [pid 5005] umount2("./148/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./148/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./148/cgroup") = 0 [pid 5005] umount2("./148/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./148/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./148/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./148") = 0 [pid 5005] mkdir("./149", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5156 attached [pid 5156] chdir("./149") = 0 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 151 [pid 5156] setpgid(0, 0) = 0 [pid 5156] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5156] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5156] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5156] write(3, "1000", 4) = 4 [pid 5156] close(3) = 0 [pid 5156] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5156] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5156] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5156] openat(3, "freezer.state", O_RDWR) = 4 [pid 5156] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5156] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5156] close(3) = 0 [pid 5156] close(4) = 0 [pid 5156] close(5) = -1 EBADF (Bad file descriptor) [pid 5156] close(6) = -1 EBADF (Bad file descriptor) [pid 5156] close(7) = -1 EBADF (Bad file descriptor) [pid 5156] close(8) = -1 EBADF (Bad file descriptor) [pid 5156] close(9) = -1 EBADF (Bad file descriptor) [pid 5156] close(10) = -1 EBADF (Bad file descriptor) [pid 5156] close(11) = -1 EBADF (Bad file descriptor) [pid 5156] close(12) = -1 EBADF (Bad file descriptor) [pid 5156] close(13) = -1 EBADF (Bad file descriptor) [pid 5156] close(14) = -1 EBADF (Bad file descriptor) [pid 5156] close(15) = -1 EBADF (Bad file descriptor) [pid 5156] close(16) = -1 EBADF (Bad file descriptor) [pid 5156] close(17) = -1 EBADF (Bad file descriptor) [pid 5156] close(18) = -1 EBADF (Bad file descriptor) [pid 5156] close(19) = -1 EBADF (Bad file descriptor) [pid 5156] close(20) = -1 EBADF (Bad file descriptor) [pid 5156] close(21) = -1 EBADF (Bad file descriptor) [pid 5156] close(22) = -1 EBADF (Bad file descriptor) [pid 5156] close(23) = -1 EBADF (Bad file descriptor) [pid 5156] close(24) = -1 EBADF (Bad file descriptor) [pid 5156] close(25) = -1 EBADF (Bad file descriptor) [pid 5156] close(26) = -1 EBADF (Bad file descriptor) [pid 5156] close(27) = -1 EBADF (Bad file descriptor) [pid 5156] close(28) = -1 EBADF (Bad file descriptor) [pid 5156] close(29) = -1 EBADF (Bad file descriptor) [pid 5156] exit_group(0) = ? [pid 5156] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./149/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./149/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./149/cgroup.cpu") = 0 [pid 5005] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./149/binderfs") = 0 [pid 5005] umount2("./149/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./149/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./149/cgroup") = 0 [pid 5005] umount2("./149/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./149/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./149/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./149") = 0 [pid 5005] mkdir("./150", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 152 ./strace-static-x86_64: Process 5157 attached [pid 5157] chdir("./150") = 0 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5157] setpgid(0, 0) = 0 [pid 5157] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5157] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5157] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5157] write(3, "1000", 4) = 4 [pid 5157] close(3) = 0 [pid 5157] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5157] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5157] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5157] openat(3, "freezer.state", O_RDWR) = 4 [pid 5157] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5157] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5157] close(3) = 0 [pid 5157] close(4) = 0 [pid 5157] close(5) = -1 EBADF (Bad file descriptor) [pid 5157] close(6) = -1 EBADF (Bad file descriptor) [pid 5157] close(7) = -1 EBADF (Bad file descriptor) [pid 5157] close(8) = -1 EBADF (Bad file descriptor) [pid 5157] close(9) = -1 EBADF (Bad file descriptor) [pid 5157] close(10) = -1 EBADF (Bad file descriptor) [pid 5157] close(11) = -1 EBADF (Bad file descriptor) [pid 5157] close(12) = -1 EBADF (Bad file descriptor) [pid 5157] close(13) = -1 EBADF (Bad file descriptor) [pid 5157] close(14) = -1 EBADF (Bad file descriptor) [pid 5157] close(15) = -1 EBADF (Bad file descriptor) [pid 5157] close(16) = -1 EBADF (Bad file descriptor) [pid 5157] close(17) = -1 EBADF (Bad file descriptor) [pid 5157] close(18) = -1 EBADF (Bad file descriptor) [pid 5157] close(19) = -1 EBADF (Bad file descriptor) [pid 5157] close(20) = -1 EBADF (Bad file descriptor) [pid 5157] close(21) = -1 EBADF (Bad file descriptor) [pid 5157] close(22) = -1 EBADF (Bad file descriptor) [pid 5157] close(23) = -1 EBADF (Bad file descriptor) [pid 5157] close(24) = -1 EBADF (Bad file descriptor) [pid 5157] close(25) = -1 EBADF (Bad file descriptor) [pid 5157] close(26) = -1 EBADF (Bad file descriptor) [pid 5157] close(27) = -1 EBADF (Bad file descriptor) [pid 5157] close(28) = -1 EBADF (Bad file descriptor) [pid 5157] close(29) = -1 EBADF (Bad file descriptor) [pid 5157] exit_group(0) = ? [pid 5157] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./150/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./150/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./150/cgroup.cpu") = 0 [pid 5005] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./150/binderfs") = 0 [pid 5005] umount2("./150/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./150/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./150/cgroup") = 0 [pid 5005] umount2("./150/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./150/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./150/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./150") = 0 [pid 5005] mkdir("./151", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5158 attached [pid 5158] chdir("./151") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 153 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5158] setpgid(0, 0) = 0 [pid 5158] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5158] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5158] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5158] write(3, "1000", 4) = 4 [pid 5158] close(3) = 0 [pid 5158] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5158] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5158] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5158] openat(3, "freezer.state", O_RDWR) = 4 [pid 5158] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5158] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5158] close(3) = 0 [pid 5158] close(4) = 0 [pid 5158] close(5) = -1 EBADF (Bad file descriptor) [pid 5158] close(6) = -1 EBADF (Bad file descriptor) [pid 5158] close(7) = -1 EBADF (Bad file descriptor) [pid 5158] close(8) = -1 EBADF (Bad file descriptor) [pid 5158] close(9) = -1 EBADF (Bad file descriptor) [pid 5158] close(10) = -1 EBADF (Bad file descriptor) [pid 5158] close(11) = -1 EBADF (Bad file descriptor) [pid 5158] close(12) = -1 EBADF (Bad file descriptor) [pid 5158] close(13) = -1 EBADF (Bad file descriptor) [pid 5158] close(14) = -1 EBADF (Bad file descriptor) [pid 5158] close(15) = -1 EBADF (Bad file descriptor) [pid 5158] close(16) = -1 EBADF (Bad file descriptor) [pid 5158] close(17) = -1 EBADF (Bad file descriptor) [pid 5158] close(18) = -1 EBADF (Bad file descriptor) [pid 5158] close(19) = -1 EBADF (Bad file descriptor) [pid 5158] close(20) = -1 EBADF (Bad file descriptor) [pid 5158] close(21) = -1 EBADF (Bad file descriptor) [pid 5158] close(22) = -1 EBADF (Bad file descriptor) [pid 5158] close(23) = -1 EBADF (Bad file descriptor) [pid 5158] close(24) = -1 EBADF (Bad file descriptor) [pid 5158] close(25) = -1 EBADF (Bad file descriptor) [pid 5158] close(26) = -1 EBADF (Bad file descriptor) [pid 5158] close(27) = -1 EBADF (Bad file descriptor) [pid 5158] close(28) = -1 EBADF (Bad file descriptor) [pid 5158] close(29) = -1 EBADF (Bad file descriptor) [pid 5158] exit_group(0) = ? [pid 5158] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./151/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./151/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./151/cgroup.cpu") = 0 [pid 5005] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./151/binderfs") = 0 [pid 5005] umount2("./151/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./151/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./151/cgroup") = 0 [pid 5005] umount2("./151/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./151/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./151/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./151") = 0 [pid 5005] mkdir("./152", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5159 attached [pid 5159] chdir("./152") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 154 [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5159] setpgid(0, 0) = 0 [pid 5159] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5159] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5159] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5159] write(3, "1000", 4) = 4 [pid 5159] close(3) = 0 [pid 5159] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5159] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5159] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5159] openat(3, "freezer.state", O_RDWR) = 4 [pid 5159] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5159] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5159] close(3) = 0 [pid 5159] close(4) = 0 [pid 5159] close(5) = -1 EBADF (Bad file descriptor) [pid 5159] close(6) = -1 EBADF (Bad file descriptor) [pid 5159] close(7) = -1 EBADF (Bad file descriptor) [pid 5159] close(8) = -1 EBADF (Bad file descriptor) [pid 5159] close(9) = -1 EBADF (Bad file descriptor) [pid 5159] close(10) = -1 EBADF (Bad file descriptor) [pid 5159] close(11) = -1 EBADF (Bad file descriptor) [pid 5159] close(12) = -1 EBADF (Bad file descriptor) [pid 5159] close(13) = -1 EBADF (Bad file descriptor) [pid 5159] close(14) = -1 EBADF (Bad file descriptor) [pid 5159] close(15) = -1 EBADF (Bad file descriptor) [pid 5159] close(16) = -1 EBADF (Bad file descriptor) [pid 5159] close(17) = -1 EBADF (Bad file descriptor) [pid 5159] close(18) = -1 EBADF (Bad file descriptor) [pid 5159] close(19) = -1 EBADF (Bad file descriptor) [pid 5159] close(20) = -1 EBADF (Bad file descriptor) [pid 5159] close(21) = -1 EBADF (Bad file descriptor) [pid 5159] close(22) = -1 EBADF (Bad file descriptor) [pid 5159] close(23) = -1 EBADF (Bad file descriptor) [pid 5159] close(24) = -1 EBADF (Bad file descriptor) [pid 5159] close(25) = -1 EBADF (Bad file descriptor) [pid 5159] close(26) = -1 EBADF (Bad file descriptor) [pid 5159] close(27) = -1 EBADF (Bad file descriptor) [pid 5159] close(28) = -1 EBADF (Bad file descriptor) [pid 5159] close(29) = -1 EBADF (Bad file descriptor) [pid 5159] exit_group(0) = ? [pid 5159] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./152/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./152/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./152/cgroup.cpu") = 0 [pid 5005] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./152/binderfs") = 0 [pid 5005] umount2("./152/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./152/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./152/cgroup") = 0 [pid 5005] umount2("./152/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./152/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./152/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./152") = 0 [pid 5005] mkdir("./153", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5160 attached [pid 5160] chdir("./153") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 155 [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5160] setpgid(0, 0) = 0 [pid 5160] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5160] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5160] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5160] write(3, "1000", 4) = 4 [pid 5160] close(3) = 0 [pid 5160] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5160] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5160] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5160] openat(3, "freezer.state", O_RDWR) = 4 [pid 5160] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5160] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5160] close(3) = 0 [pid 5160] close(4) = 0 [pid 5160] close(5) = -1 EBADF (Bad file descriptor) [pid 5160] close(6) = -1 EBADF (Bad file descriptor) [pid 5160] close(7) = -1 EBADF (Bad file descriptor) [pid 5160] close(8) = -1 EBADF (Bad file descriptor) [pid 5160] close(9) = -1 EBADF (Bad file descriptor) [pid 5160] close(10) = -1 EBADF (Bad file descriptor) [pid 5160] close(11) = -1 EBADF (Bad file descriptor) [pid 5160] close(12) = -1 EBADF (Bad file descriptor) [pid 5160] close(13) = -1 EBADF (Bad file descriptor) [pid 5160] close(14) = -1 EBADF (Bad file descriptor) [pid 5160] close(15) = -1 EBADF (Bad file descriptor) [pid 5160] close(16) = -1 EBADF (Bad file descriptor) [pid 5160] close(17) = -1 EBADF (Bad file descriptor) [pid 5160] close(18) = -1 EBADF (Bad file descriptor) [pid 5160] close(19) = -1 EBADF (Bad file descriptor) [pid 5160] close(20) = -1 EBADF (Bad file descriptor) [pid 5160] close(21) = -1 EBADF (Bad file descriptor) [pid 5160] close(22) = -1 EBADF (Bad file descriptor) [pid 5160] close(23) = -1 EBADF (Bad file descriptor) [pid 5160] close(24) = -1 EBADF (Bad file descriptor) [pid 5160] close(25) = -1 EBADF (Bad file descriptor) [pid 5160] close(26) = -1 EBADF (Bad file descriptor) [pid 5160] close(27) = -1 EBADF (Bad file descriptor) [pid 5160] close(28) = -1 EBADF (Bad file descriptor) [pid 5160] close(29) = -1 EBADF (Bad file descriptor) [pid 5160] exit_group(0) = ? [pid 5160] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./153/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./153/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./153/cgroup.cpu") = 0 [pid 5005] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./153/binderfs") = 0 [pid 5005] umount2("./153/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./153/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./153/cgroup") = 0 [pid 5005] umount2("./153/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./153/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./153/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./153") = 0 [pid 5005] mkdir("./154", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5161 attached [pid 5161] chdir("./154") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 156 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5161] setpgid(0, 0) = 0 [pid 5161] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5161] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5161] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5161] write(3, "1000", 4) = 4 [pid 5161] close(3) = 0 [pid 5161] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5161] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5161] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5161] openat(3, "freezer.state", O_RDWR) = 4 [pid 5161] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5161] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5161] close(3) = 0 [pid 5161] close(4) = 0 [pid 5161] close(5) = -1 EBADF (Bad file descriptor) [pid 5161] close(6) = -1 EBADF (Bad file descriptor) [pid 5161] close(7) = -1 EBADF (Bad file descriptor) [pid 5161] close(8) = -1 EBADF (Bad file descriptor) [pid 5161] close(9) = -1 EBADF (Bad file descriptor) [pid 5161] close(10) = -1 EBADF (Bad file descriptor) [pid 5161] close(11) = -1 EBADF (Bad file descriptor) [pid 5161] close(12) = -1 EBADF (Bad file descriptor) [pid 5161] close(13) = -1 EBADF (Bad file descriptor) [pid 5161] close(14) = -1 EBADF (Bad file descriptor) [pid 5161] close(15) = -1 EBADF (Bad file descriptor) [pid 5161] close(16) = -1 EBADF (Bad file descriptor) [pid 5161] close(17) = -1 EBADF (Bad file descriptor) [pid 5161] close(18) = -1 EBADF (Bad file descriptor) [pid 5161] close(19) = -1 EBADF (Bad file descriptor) [pid 5161] close(20) = -1 EBADF (Bad file descriptor) [pid 5161] close(21) = -1 EBADF (Bad file descriptor) [pid 5161] close(22) = -1 EBADF (Bad file descriptor) [pid 5161] close(23) = -1 EBADF (Bad file descriptor) [pid 5161] close(24) = -1 EBADF (Bad file descriptor) [pid 5161] close(25) = -1 EBADF (Bad file descriptor) [pid 5161] close(26) = -1 EBADF (Bad file descriptor) [pid 5161] close(27) = -1 EBADF (Bad file descriptor) [pid 5161] close(28) = -1 EBADF (Bad file descriptor) [pid 5161] close(29) = -1 EBADF (Bad file descriptor) [pid 5161] exit_group(0) = ? [pid 5161] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./154/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./154/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./154/cgroup.cpu") = 0 [pid 5005] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./154/binderfs") = 0 [pid 5005] umount2("./154/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./154/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./154/cgroup") = 0 [pid 5005] umount2("./154/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./154/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./154/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./154") = 0 [pid 5005] mkdir("./155", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5162 attached [pid 5162] chdir("./155") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 157 [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5162] setpgid(0, 0) = 0 [pid 5162] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5162] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5162] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5162] write(3, "1000", 4) = 4 [pid 5162] close(3) = 0 [pid 5162] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5162] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5162] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5162] openat(3, "freezer.state", O_RDWR) = 4 [pid 5162] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5162] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5162] close(3) = 0 [pid 5162] close(4) = 0 [pid 5162] close(5) = -1 EBADF (Bad file descriptor) [pid 5162] close(6) = -1 EBADF (Bad file descriptor) [pid 5162] close(7) = -1 EBADF (Bad file descriptor) [pid 5162] close(8) = -1 EBADF (Bad file descriptor) [pid 5162] close(9) = -1 EBADF (Bad file descriptor) [pid 5162] close(10) = -1 EBADF (Bad file descriptor) [pid 5162] close(11) = -1 EBADF (Bad file descriptor) [pid 5162] close(12) = -1 EBADF (Bad file descriptor) [pid 5162] close(13) = -1 EBADF (Bad file descriptor) [pid 5162] close(14) = -1 EBADF (Bad file descriptor) [pid 5162] close(15) = -1 EBADF (Bad file descriptor) [pid 5162] close(16) = -1 EBADF (Bad file descriptor) [pid 5162] close(17) = -1 EBADF (Bad file descriptor) [pid 5162] close(18) = -1 EBADF (Bad file descriptor) [pid 5162] close(19) = -1 EBADF (Bad file descriptor) [pid 5162] close(20) = -1 EBADF (Bad file descriptor) [pid 5162] close(21) = -1 EBADF (Bad file descriptor) [pid 5162] close(22) = -1 EBADF (Bad file descriptor) [pid 5162] close(23) = -1 EBADF (Bad file descriptor) [pid 5162] close(24) = -1 EBADF (Bad file descriptor) [pid 5162] close(25) = -1 EBADF (Bad file descriptor) [pid 5162] close(26) = -1 EBADF (Bad file descriptor) [pid 5162] close(27) = -1 EBADF (Bad file descriptor) [pid 5162] close(28) = -1 EBADF (Bad file descriptor) [pid 5162] close(29) = -1 EBADF (Bad file descriptor) [pid 5162] exit_group(0) = ? [pid 5162] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./155/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./155/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./155/cgroup.cpu") = 0 [pid 5005] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./155/binderfs") = 0 [pid 5005] umount2("./155/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./155/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./155/cgroup") = 0 [pid 5005] umount2("./155/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./155/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./155/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./155") = 0 [pid 5005] mkdir("./156", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5163 attached [pid 5163] chdir("./156") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 158 [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5163] setpgid(0, 0) = 0 [pid 5163] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5163] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5163] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5163] write(3, "1000", 4) = 4 [pid 5163] close(3) = 0 [pid 5163] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5163] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5163] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5163] openat(3, "freezer.state", O_RDWR) = 4 [pid 5163] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5163] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5163] close(3) = 0 [pid 5163] close(4) = 0 [pid 5163] close(5) = -1 EBADF (Bad file descriptor) [pid 5163] close(6) = -1 EBADF (Bad file descriptor) [pid 5163] close(7) = -1 EBADF (Bad file descriptor) [pid 5163] close(8) = -1 EBADF (Bad file descriptor) [pid 5163] close(9) = -1 EBADF (Bad file descriptor) [pid 5163] close(10) = -1 EBADF (Bad file descriptor) [pid 5163] close(11) = -1 EBADF (Bad file descriptor) [pid 5163] close(12) = -1 EBADF (Bad file descriptor) [pid 5163] close(13) = -1 EBADF (Bad file descriptor) [pid 5163] close(14) = -1 EBADF (Bad file descriptor) [pid 5163] close(15) = -1 EBADF (Bad file descriptor) [pid 5163] close(16) = -1 EBADF (Bad file descriptor) [pid 5163] close(17) = -1 EBADF (Bad file descriptor) [pid 5163] close(18) = -1 EBADF (Bad file descriptor) [pid 5163] close(19) = -1 EBADF (Bad file descriptor) [pid 5163] close(20) = -1 EBADF (Bad file descriptor) [pid 5163] close(21) = -1 EBADF (Bad file descriptor) [pid 5163] close(22) = -1 EBADF (Bad file descriptor) [pid 5163] close(23) = -1 EBADF (Bad file descriptor) [pid 5163] close(24) = -1 EBADF (Bad file descriptor) [pid 5163] close(25) = -1 EBADF (Bad file descriptor) [pid 5163] close(26) = -1 EBADF (Bad file descriptor) [pid 5163] close(27) = -1 EBADF (Bad file descriptor) [pid 5163] close(28) = -1 EBADF (Bad file descriptor) [pid 5163] close(29) = -1 EBADF (Bad file descriptor) [pid 5163] exit_group(0) = ? [pid 5163] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./156/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./156/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./156/cgroup.cpu") = 0 [pid 5005] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./156/binderfs") = 0 [pid 5005] umount2("./156/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./156/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./156/cgroup") = 0 [pid 5005] umount2("./156/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./156/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./156/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./156") = 0 [pid 5005] mkdir("./157", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5164 attached [pid 5164] chdir("./157") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 159 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5164] setpgid(0, 0) = 0 [pid 5164] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5164] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5164] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5164] write(3, "1000", 4) = 4 [pid 5164] close(3) = 0 [pid 5164] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5164] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5164] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5164] openat(3, "freezer.state", O_RDWR) = 4 [pid 5164] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5164] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5164] close(3) = 0 [pid 5164] close(4) = 0 [pid 5164] close(5) = -1 EBADF (Bad file descriptor) [pid 5164] close(6) = -1 EBADF (Bad file descriptor) [pid 5164] close(7) = -1 EBADF (Bad file descriptor) [pid 5164] close(8) = -1 EBADF (Bad file descriptor) [pid 5164] close(9) = -1 EBADF (Bad file descriptor) [pid 5164] close(10) = -1 EBADF (Bad file descriptor) [pid 5164] close(11) = -1 EBADF (Bad file descriptor) [pid 5164] close(12) = -1 EBADF (Bad file descriptor) [pid 5164] close(13) = -1 EBADF (Bad file descriptor) [pid 5164] close(14) = -1 EBADF (Bad file descriptor) [pid 5164] close(15) = -1 EBADF (Bad file descriptor) [pid 5164] close(16) = -1 EBADF (Bad file descriptor) [pid 5164] close(17) = -1 EBADF (Bad file descriptor) [pid 5164] close(18) = -1 EBADF (Bad file descriptor) [pid 5164] close(19) = -1 EBADF (Bad file descriptor) [pid 5164] close(20) = -1 EBADF (Bad file descriptor) [pid 5164] close(21) = -1 EBADF (Bad file descriptor) [pid 5164] close(22) = -1 EBADF (Bad file descriptor) [pid 5164] close(23) = -1 EBADF (Bad file descriptor) [pid 5164] close(24) = -1 EBADF (Bad file descriptor) [pid 5164] close(25) = -1 EBADF (Bad file descriptor) [pid 5164] close(26) = -1 EBADF (Bad file descriptor) [pid 5164] close(27) = -1 EBADF (Bad file descriptor) [pid 5164] close(28) = -1 EBADF (Bad file descriptor) [pid 5164] close(29) = -1 EBADF (Bad file descriptor) [pid 5164] exit_group(0) = ? [pid 5164] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./157/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./157/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./157/cgroup.cpu") = 0 [pid 5005] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./157/binderfs") = 0 [pid 5005] umount2("./157/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./157/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./157/cgroup") = 0 [pid 5005] umount2("./157/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./157/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./157/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./157") = 0 [pid 5005] mkdir("./158", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5165 attached [pid 5165] chdir("./158") = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5165] setpgid(0, 0) = 0 [pid 5165] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 160 [pid 5165] <... symlink resumed>) = 0 [pid 5165] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5165] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5165] write(3, "1000", 4) = 4 [pid 5165] close(3) = 0 [pid 5165] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5165] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5165] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5165] openat(3, "freezer.state", O_RDWR) = 4 [pid 5165] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5165] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5165] close(3) = 0 [pid 5165] close(4) = 0 [pid 5165] close(5) = -1 EBADF (Bad file descriptor) [pid 5165] close(6) = -1 EBADF (Bad file descriptor) [pid 5165] close(7) = -1 EBADF (Bad file descriptor) [pid 5165] close(8) = -1 EBADF (Bad file descriptor) [pid 5165] close(9) = -1 EBADF (Bad file descriptor) [pid 5165] close(10) = -1 EBADF (Bad file descriptor) [pid 5165] close(11) = -1 EBADF (Bad file descriptor) [pid 5165] close(12) = -1 EBADF (Bad file descriptor) [pid 5165] close(13) = -1 EBADF (Bad file descriptor) [pid 5165] close(14) = -1 EBADF (Bad file descriptor) [pid 5165] close(15) = -1 EBADF (Bad file descriptor) [pid 5165] close(16) = -1 EBADF (Bad file descriptor) [pid 5165] close(17) = -1 EBADF (Bad file descriptor) [pid 5165] close(18) = -1 EBADF (Bad file descriptor) [pid 5165] close(19) = -1 EBADF (Bad file descriptor) [pid 5165] close(20) = -1 EBADF (Bad file descriptor) [pid 5165] close(21) = -1 EBADF (Bad file descriptor) [pid 5165] close(22) = -1 EBADF (Bad file descriptor) [pid 5165] close(23) = -1 EBADF (Bad file descriptor) [pid 5165] close(24) = -1 EBADF (Bad file descriptor) [pid 5165] close(25) = -1 EBADF (Bad file descriptor) [pid 5165] close(26) = -1 EBADF (Bad file descriptor) [pid 5165] close(27) = -1 EBADF (Bad file descriptor) [pid 5165] close(28) = -1 EBADF (Bad file descriptor) [pid 5165] close(29) = -1 EBADF (Bad file descriptor) [pid 5165] exit_group(0) = ? [pid 5165] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./158/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./158/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./158/cgroup.cpu") = 0 [pid 5005] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./158/binderfs") = 0 [pid 5005] umount2("./158/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./158/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./158/cgroup") = 0 [pid 5005] umount2("./158/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./158/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./158/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./158") = 0 [pid 5005] mkdir("./159", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5166 attached [pid 5166] chdir("./159") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 161 [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5166] setpgid(0, 0) = 0 [pid 5166] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5166] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5166] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5166] write(3, "1000", 4) = 4 [pid 5166] close(3) = 0 [pid 5166] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5166] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5166] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5166] openat(3, "freezer.state", O_RDWR) = 4 [pid 5166] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5166] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5166] close(3) = 0 [pid 5166] close(4) = 0 [pid 5166] close(5) = -1 EBADF (Bad file descriptor) [pid 5166] close(6) = -1 EBADF (Bad file descriptor) [pid 5166] close(7) = -1 EBADF (Bad file descriptor) [pid 5166] close(8) = -1 EBADF (Bad file descriptor) [pid 5166] close(9) = -1 EBADF (Bad file descriptor) [pid 5166] close(10) = -1 EBADF (Bad file descriptor) [pid 5166] close(11) = -1 EBADF (Bad file descriptor) [pid 5166] close(12) = -1 EBADF (Bad file descriptor) [pid 5166] close(13) = -1 EBADF (Bad file descriptor) [pid 5166] close(14) = -1 EBADF (Bad file descriptor) [pid 5166] close(15) = -1 EBADF (Bad file descriptor) [pid 5166] close(16) = -1 EBADF (Bad file descriptor) [pid 5166] close(17) = -1 EBADF (Bad file descriptor) [pid 5166] close(18) = -1 EBADF (Bad file descriptor) [pid 5166] close(19) = -1 EBADF (Bad file descriptor) [pid 5166] close(20) = -1 EBADF (Bad file descriptor) [pid 5166] close(21) = -1 EBADF (Bad file descriptor) [pid 5166] close(22) = -1 EBADF (Bad file descriptor) [pid 5166] close(23) = -1 EBADF (Bad file descriptor) [pid 5166] close(24) = -1 EBADF (Bad file descriptor) [pid 5166] close(25) = -1 EBADF (Bad file descriptor) [pid 5166] close(26) = -1 EBADF (Bad file descriptor) [pid 5166] close(27) = -1 EBADF (Bad file descriptor) [pid 5166] close(28) = -1 EBADF (Bad file descriptor) [pid 5166] close(29) = -1 EBADF (Bad file descriptor) [pid 5166] exit_group(0) = ? [pid 5166] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./159/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./159/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./159/cgroup.cpu") = 0 [pid 5005] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./159/binderfs") = 0 [pid 5005] umount2("./159/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./159/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./159/cgroup") = 0 [pid 5005] umount2("./159/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./159/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./159/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./159") = 0 [pid 5005] mkdir("./160", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5167 attached [pid 5167] chdir("./160" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 162 [pid 5167] <... chdir resumed>) = 0 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5167] setpgid(0, 0) = 0 [pid 5167] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5167] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5167] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5167] write(3, "1000", 4) = 4 [pid 5167] close(3) = 0 [pid 5167] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5167] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5167] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5167] openat(3, "freezer.state", O_RDWR) = 4 [pid 5167] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5167] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5167] close(3) = 0 [pid 5167] close(4) = 0 [pid 5167] close(5) = -1 EBADF (Bad file descriptor) [pid 5167] close(6) = -1 EBADF (Bad file descriptor) [pid 5167] close(7) = -1 EBADF (Bad file descriptor) [pid 5167] close(8) = -1 EBADF (Bad file descriptor) [pid 5167] close(9) = -1 EBADF (Bad file descriptor) [pid 5167] close(10) = -1 EBADF (Bad file descriptor) [pid 5167] close(11) = -1 EBADF (Bad file descriptor) [pid 5167] close(12) = -1 EBADF (Bad file descriptor) [pid 5167] close(13) = -1 EBADF (Bad file descriptor) [pid 5167] close(14) = -1 EBADF (Bad file descriptor) [pid 5167] close(15) = -1 EBADF (Bad file descriptor) [pid 5167] close(16) = -1 EBADF (Bad file descriptor) [pid 5167] close(17) = -1 EBADF (Bad file descriptor) [pid 5167] close(18) = -1 EBADF (Bad file descriptor) [pid 5167] close(19) = -1 EBADF (Bad file descriptor) [pid 5167] close(20) = -1 EBADF (Bad file descriptor) [pid 5167] close(21) = -1 EBADF (Bad file descriptor) [pid 5167] close(22) = -1 EBADF (Bad file descriptor) [pid 5167] close(23) = -1 EBADF (Bad file descriptor) [pid 5167] close(24) = -1 EBADF (Bad file descriptor) [pid 5167] close(25) = -1 EBADF (Bad file descriptor) [pid 5167] close(26) = -1 EBADF (Bad file descriptor) [pid 5167] close(27) = -1 EBADF (Bad file descriptor) [pid 5167] close(28) = -1 EBADF (Bad file descriptor) [pid 5167] close(29) = -1 EBADF (Bad file descriptor) [pid 5167] exit_group(0) = ? [pid 5167] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./160/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./160/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./160/cgroup.cpu") = 0 [pid 5005] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./160/binderfs") = 0 [pid 5005] umount2("./160/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./160/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./160/cgroup") = 0 [pid 5005] umount2("./160/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./160/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./160/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./160") = 0 [pid 5005] mkdir("./161", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5168 attached [pid 5168] chdir("./161") = 0 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 163 [pid 5168] setpgid(0, 0) = 0 [pid 5168] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5168] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5168] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5168] write(3, "1000", 4) = 4 [pid 5168] close(3) = 0 [pid 5168] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5168] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5168] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5168] openat(3, "freezer.state", O_RDWR) = 4 [pid 5168] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5168] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5168] close(3) = 0 [pid 5168] close(4) = 0 [pid 5168] close(5) = -1 EBADF (Bad file descriptor) [pid 5168] close(6) = -1 EBADF (Bad file descriptor) [pid 5168] close(7) = -1 EBADF (Bad file descriptor) [pid 5168] close(8) = -1 EBADF (Bad file descriptor) [pid 5168] close(9) = -1 EBADF (Bad file descriptor) [pid 5168] close(10) = -1 EBADF (Bad file descriptor) [pid 5168] close(11) = -1 EBADF (Bad file descriptor) [pid 5168] close(12) = -1 EBADF (Bad file descriptor) [pid 5168] close(13) = -1 EBADF (Bad file descriptor) [pid 5168] close(14) = -1 EBADF (Bad file descriptor) [pid 5168] close(15) = -1 EBADF (Bad file descriptor) [pid 5168] close(16) = -1 EBADF (Bad file descriptor) [pid 5168] close(17) = -1 EBADF (Bad file descriptor) [pid 5168] close(18) = -1 EBADF (Bad file descriptor) [pid 5168] close(19) = -1 EBADF (Bad file descriptor) [pid 5168] close(20) = -1 EBADF (Bad file descriptor) [pid 5168] close(21) = -1 EBADF (Bad file descriptor) [pid 5168] close(22) = -1 EBADF (Bad file descriptor) [pid 5168] close(23) = -1 EBADF (Bad file descriptor) [pid 5168] close(24) = -1 EBADF (Bad file descriptor) [pid 5168] close(25) = -1 EBADF (Bad file descriptor) [pid 5168] close(26) = -1 EBADF (Bad file descriptor) [pid 5168] close(27) = -1 EBADF (Bad file descriptor) [pid 5168] close(28) = -1 EBADF (Bad file descriptor) [pid 5168] close(29) = -1 EBADF (Bad file descriptor) [pid 5168] exit_group(0) = ? [pid 5168] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./161/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./161/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./161/cgroup.cpu") = 0 [pid 5005] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./161/binderfs") = 0 [pid 5005] umount2("./161/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./161/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./161/cgroup") = 0 [pid 5005] umount2("./161/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./161/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./161/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./161") = 0 [pid 5005] mkdir("./162", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5169 attached [pid 5169] chdir("./162") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 164 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5169] setpgid(0, 0) = 0 [pid 5169] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5169] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5169] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5169] write(3, "1000", 4) = 4 [pid 5169] close(3) = 0 [pid 5169] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5169] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5169] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5169] openat(3, "freezer.state", O_RDWR) = 4 [pid 5169] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5169] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5169] close(3) = 0 [pid 5169] close(4) = 0 [pid 5169] close(5) = -1 EBADF (Bad file descriptor) [pid 5169] close(6) = -1 EBADF (Bad file descriptor) [pid 5169] close(7) = -1 EBADF (Bad file descriptor) [pid 5169] close(8) = -1 EBADF (Bad file descriptor) [pid 5169] close(9) = -1 EBADF (Bad file descriptor) [pid 5169] close(10) = -1 EBADF (Bad file descriptor) [pid 5169] close(11) = -1 EBADF (Bad file descriptor) [pid 5169] close(12) = -1 EBADF (Bad file descriptor) [pid 5169] close(13) = -1 EBADF (Bad file descriptor) [pid 5169] close(14) = -1 EBADF (Bad file descriptor) [pid 5169] close(15) = -1 EBADF (Bad file descriptor) [pid 5169] close(16) = -1 EBADF (Bad file descriptor) [pid 5169] close(17) = -1 EBADF (Bad file descriptor) [pid 5169] close(18) = -1 EBADF (Bad file descriptor) [pid 5169] close(19) = -1 EBADF (Bad file descriptor) [pid 5169] close(20) = -1 EBADF (Bad file descriptor) [pid 5169] close(21) = -1 EBADF (Bad file descriptor) [pid 5169] close(22) = -1 EBADF (Bad file descriptor) [pid 5169] close(23) = -1 EBADF (Bad file descriptor) [pid 5169] close(24) = -1 EBADF (Bad file descriptor) [pid 5169] close(25) = -1 EBADF (Bad file descriptor) [pid 5169] close(26) = -1 EBADF (Bad file descriptor) [pid 5169] close(27) = -1 EBADF (Bad file descriptor) [pid 5169] close(28) = -1 EBADF (Bad file descriptor) [pid 5169] close(29) = -1 EBADF (Bad file descriptor) [pid 5169] exit_group(0) = ? [pid 5169] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./162/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./162/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./162/cgroup.cpu") = 0 [pid 5005] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./162/binderfs") = 0 [pid 5005] umount2("./162/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./162/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./162/cgroup") = 0 [pid 5005] umount2("./162/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./162/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./162/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./162") = 0 [pid 5005] mkdir("./163", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5170 attached [pid 5170] chdir("./163") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 165 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5170] setpgid(0, 0) = 0 [pid 5170] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5170] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5170] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5170] write(3, "1000", 4) = 4 [pid 5170] close(3) = 0 [pid 5170] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5170] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5170] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5170] openat(3, "freezer.state", O_RDWR) = 4 [pid 5170] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5170] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5170] close(3) = 0 [pid 5170] close(4) = 0 [pid 5170] close(5) = -1 EBADF (Bad file descriptor) [pid 5170] close(6) = -1 EBADF (Bad file descriptor) [pid 5170] close(7) = -1 EBADF (Bad file descriptor) [pid 5170] close(8) = -1 EBADF (Bad file descriptor) [pid 5170] close(9) = -1 EBADF (Bad file descriptor) [pid 5170] close(10) = -1 EBADF (Bad file descriptor) [pid 5170] close(11) = -1 EBADF (Bad file descriptor) [pid 5170] close(12) = -1 EBADF (Bad file descriptor) [pid 5170] close(13) = -1 EBADF (Bad file descriptor) [pid 5170] close(14) = -1 EBADF (Bad file descriptor) [pid 5170] close(15) = -1 EBADF (Bad file descriptor) [pid 5170] close(16) = -1 EBADF (Bad file descriptor) [pid 5170] close(17) = -1 EBADF (Bad file descriptor) [pid 5170] close(18) = -1 EBADF (Bad file descriptor) [pid 5170] close(19) = -1 EBADF (Bad file descriptor) [pid 5170] close(20) = -1 EBADF (Bad file descriptor) [pid 5170] close(21) = -1 EBADF (Bad file descriptor) [pid 5170] close(22) = -1 EBADF (Bad file descriptor) [pid 5170] close(23) = -1 EBADF (Bad file descriptor) [pid 5170] close(24) = -1 EBADF (Bad file descriptor) [pid 5170] close(25) = -1 EBADF (Bad file descriptor) [pid 5170] close(26) = -1 EBADF (Bad file descriptor) [pid 5170] close(27) = -1 EBADF (Bad file descriptor) [pid 5170] close(28) = -1 EBADF (Bad file descriptor) [pid 5170] close(29) = -1 EBADF (Bad file descriptor) [pid 5170] exit_group(0) = ? [pid 5170] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./163/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./163/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./163/cgroup.cpu") = 0 [pid 5005] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./163/binderfs") = 0 [pid 5005] umount2("./163/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./163/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./163/cgroup") = 0 [pid 5005] umount2("./163/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./163/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./163/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./163") = 0 [pid 5005] mkdir("./164", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5171 attached [pid 5171] chdir("./164") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 166 [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5171] setpgid(0, 0) = 0 [pid 5171] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5171] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5171] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5171] write(3, "1000", 4) = 4 [pid 5171] close(3) = 0 [pid 5171] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5171] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5171] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5171] openat(3, "freezer.state", O_RDWR) = 4 [pid 5171] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5171] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5171] close(3) = 0 [pid 5171] close(4) = 0 [pid 5171] close(5) = -1 EBADF (Bad file descriptor) [pid 5171] close(6) = -1 EBADF (Bad file descriptor) [pid 5171] close(7) = -1 EBADF (Bad file descriptor) [pid 5171] close(8) = -1 EBADF (Bad file descriptor) [pid 5171] close(9) = -1 EBADF (Bad file descriptor) [pid 5171] close(10) = -1 EBADF (Bad file descriptor) [pid 5171] close(11) = -1 EBADF (Bad file descriptor) [pid 5171] close(12) = -1 EBADF (Bad file descriptor) [pid 5171] close(13) = -1 EBADF (Bad file descriptor) [pid 5171] close(14) = -1 EBADF (Bad file descriptor) [pid 5171] close(15) = -1 EBADF (Bad file descriptor) [pid 5171] close(16) = -1 EBADF (Bad file descriptor) [pid 5171] close(17) = -1 EBADF (Bad file descriptor) [pid 5171] close(18) = -1 EBADF (Bad file descriptor) [pid 5171] close(19) = -1 EBADF (Bad file descriptor) [pid 5171] close(20) = -1 EBADF (Bad file descriptor) [pid 5171] close(21) = -1 EBADF (Bad file descriptor) [pid 5171] close(22) = -1 EBADF (Bad file descriptor) [pid 5171] close(23) = -1 EBADF (Bad file descriptor) [pid 5171] close(24) = -1 EBADF (Bad file descriptor) [pid 5171] close(25) = -1 EBADF (Bad file descriptor) [pid 5171] close(26) = -1 EBADF (Bad file descriptor) [pid 5171] close(27) = -1 EBADF (Bad file descriptor) [pid 5171] close(28) = -1 EBADF (Bad file descriptor) [pid 5171] close(29) = -1 EBADF (Bad file descriptor) [pid 5171] exit_group(0) = ? [pid 5171] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./164/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./164/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./164/cgroup.cpu") = 0 [pid 5005] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./164/binderfs") = 0 [pid 5005] umount2("./164/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./164/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./164/cgroup") = 0 [pid 5005] umount2("./164/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./164/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./164/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./164") = 0 [pid 5005] mkdir("./165", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5172 attached [pid 5172] chdir("./165") = 0 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5172] setpgid(0, 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 167 [pid 5172] <... setpgid resumed>) = 0 [pid 5172] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5172] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5172] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5172] write(3, "1000", 4) = 4 [pid 5172] close(3) = 0 [pid 5172] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5172] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5172] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5172] openat(3, "freezer.state", O_RDWR) = 4 [pid 5172] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5172] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5172] close(3) = 0 [pid 5172] close(4) = 0 [pid 5172] close(5) = -1 EBADF (Bad file descriptor) [pid 5172] close(6) = -1 EBADF (Bad file descriptor) [pid 5172] close(7) = -1 EBADF (Bad file descriptor) [pid 5172] close(8) = -1 EBADF (Bad file descriptor) [pid 5172] close(9) = -1 EBADF (Bad file descriptor) [pid 5172] close(10) = -1 EBADF (Bad file descriptor) [pid 5172] close(11) = -1 EBADF (Bad file descriptor) [pid 5172] close(12) = -1 EBADF (Bad file descriptor) [pid 5172] close(13) = -1 EBADF (Bad file descriptor) [pid 5172] close(14) = -1 EBADF (Bad file descriptor) [pid 5172] close(15) = -1 EBADF (Bad file descriptor) [pid 5172] close(16) = -1 EBADF (Bad file descriptor) [pid 5172] close(17) = -1 EBADF (Bad file descriptor) [pid 5172] close(18) = -1 EBADF (Bad file descriptor) [pid 5172] close(19) = -1 EBADF (Bad file descriptor) [pid 5172] close(20) = -1 EBADF (Bad file descriptor) [pid 5172] close(21) = -1 EBADF (Bad file descriptor) [pid 5172] close(22) = -1 EBADF (Bad file descriptor) [pid 5172] close(23) = -1 EBADF (Bad file descriptor) [pid 5172] close(24) = -1 EBADF (Bad file descriptor) [pid 5172] close(25) = -1 EBADF (Bad file descriptor) [pid 5172] close(26) = -1 EBADF (Bad file descriptor) [pid 5172] close(27) = -1 EBADF (Bad file descriptor) [pid 5172] close(28) = -1 EBADF (Bad file descriptor) [pid 5172] close(29) = -1 EBADF (Bad file descriptor) [pid 5172] exit_group(0) = ? [pid 5172] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./165/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./165/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./165/cgroup.cpu") = 0 [pid 5005] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./165/binderfs") = 0 [pid 5005] umount2("./165/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./165/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./165/cgroup") = 0 [pid 5005] umount2("./165/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./165/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./165/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./165") = 0 [pid 5005] mkdir("./166", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5173 attached [pid 5173] chdir("./166") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 168 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5173] setpgid(0, 0) = 0 [pid 5173] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5173] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5173] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5173] write(3, "1000", 4) = 4 [pid 5173] close(3) = 0 [pid 5173] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5173] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5173] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5173] openat(3, "freezer.state", O_RDWR) = 4 [pid 5173] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5173] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5173] close(3) = 0 [pid 5173] close(4) = 0 [pid 5173] close(5) = -1 EBADF (Bad file descriptor) [pid 5173] close(6) = -1 EBADF (Bad file descriptor) [pid 5173] close(7) = -1 EBADF (Bad file descriptor) [pid 5173] close(8) = -1 EBADF (Bad file descriptor) [pid 5173] close(9) = -1 EBADF (Bad file descriptor) [pid 5173] close(10) = -1 EBADF (Bad file descriptor) [pid 5173] close(11) = -1 EBADF (Bad file descriptor) [pid 5173] close(12) = -1 EBADF (Bad file descriptor) [pid 5173] close(13) = -1 EBADF (Bad file descriptor) [pid 5173] close(14) = -1 EBADF (Bad file descriptor) [pid 5173] close(15) = -1 EBADF (Bad file descriptor) [pid 5173] close(16) = -1 EBADF (Bad file descriptor) [pid 5173] close(17) = -1 EBADF (Bad file descriptor) [pid 5173] close(18) = -1 EBADF (Bad file descriptor) [pid 5173] close(19) = -1 EBADF (Bad file descriptor) [pid 5173] close(20) = -1 EBADF (Bad file descriptor) [pid 5173] close(21) = -1 EBADF (Bad file descriptor) [pid 5173] close(22) = -1 EBADF (Bad file descriptor) [pid 5173] close(23) = -1 EBADF (Bad file descriptor) [pid 5173] close(24) = -1 EBADF (Bad file descriptor) [pid 5173] close(25) = -1 EBADF (Bad file descriptor) [pid 5173] close(26) = -1 EBADF (Bad file descriptor) [pid 5173] close(27) = -1 EBADF (Bad file descriptor) [pid 5173] close(28) = -1 EBADF (Bad file descriptor) [pid 5173] close(29) = -1 EBADF (Bad file descriptor) [pid 5173] exit_group(0) = ? [pid 5173] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./166/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./166/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./166/cgroup.cpu") = 0 [pid 5005] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./166/binderfs") = 0 [pid 5005] umount2("./166/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./166/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./166/cgroup") = 0 [pid 5005] umount2("./166/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./166/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./166/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./166") = 0 [pid 5005] mkdir("./167", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5174 attached [pid 5174] chdir("./167") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 169 [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5174] setpgid(0, 0) = 0 [pid 5174] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5174] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5174] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5174] write(3, "1000", 4) = 4 [pid 5174] close(3) = 0 [pid 5174] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5174] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5174] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5174] openat(3, "freezer.state", O_RDWR) = 4 [pid 5174] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5174] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5174] close(3) = 0 [pid 5174] close(4) = 0 [pid 5174] close(5) = -1 EBADF (Bad file descriptor) [pid 5174] close(6) = -1 EBADF (Bad file descriptor) [pid 5174] close(7) = -1 EBADF (Bad file descriptor) [pid 5174] close(8) = -1 EBADF (Bad file descriptor) [pid 5174] close(9) = -1 EBADF (Bad file descriptor) [pid 5174] close(10) = -1 EBADF (Bad file descriptor) [pid 5174] close(11) = -1 EBADF (Bad file descriptor) [pid 5174] close(12) = -1 EBADF (Bad file descriptor) [pid 5174] close(13) = -1 EBADF (Bad file descriptor) [pid 5174] close(14) = -1 EBADF (Bad file descriptor) [pid 5174] close(15) = -1 EBADF (Bad file descriptor) [pid 5174] close(16) = -1 EBADF (Bad file descriptor) [pid 5174] close(17) = -1 EBADF (Bad file descriptor) [pid 5174] close(18) = -1 EBADF (Bad file descriptor) [pid 5174] close(19) = -1 EBADF (Bad file descriptor) [pid 5174] close(20) = -1 EBADF (Bad file descriptor) [pid 5174] close(21) = -1 EBADF (Bad file descriptor) [pid 5174] close(22) = -1 EBADF (Bad file descriptor) [pid 5174] close(23) = -1 EBADF (Bad file descriptor) [pid 5174] close(24) = -1 EBADF (Bad file descriptor) [pid 5174] close(25) = -1 EBADF (Bad file descriptor) [pid 5174] close(26) = -1 EBADF (Bad file descriptor) [pid 5174] close(27) = -1 EBADF (Bad file descriptor) [pid 5174] close(28) = -1 EBADF (Bad file descriptor) [pid 5174] close(29) = -1 EBADF (Bad file descriptor) [pid 5174] exit_group(0) = ? [pid 5174] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./167/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./167/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./167/cgroup.cpu") = 0 [pid 5005] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./167/binderfs") = 0 [pid 5005] umount2("./167/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./167/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./167/cgroup") = 0 [pid 5005] umount2("./167/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./167/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./167/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./167") = 0 [pid 5005] mkdir("./168", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5175 attached [pid 5175] chdir("./168") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 170 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5175] setpgid(0, 0) = 0 [pid 5175] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5175] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5175] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5175] write(3, "1000", 4) = 4 [pid 5175] close(3) = 0 [pid 5175] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5175] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5175] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5175] openat(3, "freezer.state", O_RDWR) = 4 [pid 5175] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5175] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5175] close(3) = 0 [pid 5175] close(4) = 0 [pid 5175] close(5) = -1 EBADF (Bad file descriptor) [pid 5175] close(6) = -1 EBADF (Bad file descriptor) [pid 5175] close(7) = -1 EBADF (Bad file descriptor) [pid 5175] close(8) = -1 EBADF (Bad file descriptor) [pid 5175] close(9) = -1 EBADF (Bad file descriptor) [pid 5175] close(10) = -1 EBADF (Bad file descriptor) [pid 5175] close(11) = -1 EBADF (Bad file descriptor) [pid 5175] close(12) = -1 EBADF (Bad file descriptor) [pid 5175] close(13) = -1 EBADF (Bad file descriptor) [pid 5175] close(14) = -1 EBADF (Bad file descriptor) [pid 5175] close(15) = -1 EBADF (Bad file descriptor) [pid 5175] close(16) = -1 EBADF (Bad file descriptor) [pid 5175] close(17) = -1 EBADF (Bad file descriptor) [pid 5175] close(18) = -1 EBADF (Bad file descriptor) [pid 5175] close(19) = -1 EBADF (Bad file descriptor) [pid 5175] close(20) = -1 EBADF (Bad file descriptor) [pid 5175] close(21) = -1 EBADF (Bad file descriptor) [pid 5175] close(22) = -1 EBADF (Bad file descriptor) [pid 5175] close(23) = -1 EBADF (Bad file descriptor) [pid 5175] close(24) = -1 EBADF (Bad file descriptor) [pid 5175] close(25) = -1 EBADF (Bad file descriptor) [pid 5175] close(26) = -1 EBADF (Bad file descriptor) [pid 5175] close(27) = -1 EBADF (Bad file descriptor) [pid 5175] close(28) = -1 EBADF (Bad file descriptor) [pid 5175] close(29) = -1 EBADF (Bad file descriptor) [pid 5175] exit_group(0) = ? [pid 5175] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./168/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./168/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./168/cgroup.cpu") = 0 [pid 5005] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./168/binderfs") = 0 [pid 5005] umount2("./168/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./168/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./168/cgroup") = 0 [pid 5005] umount2("./168/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./168/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./168/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./168") = 0 [pid 5005] mkdir("./169", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5176 attached , child_tidptr=0x5555570a35d0) = 171 [pid 5176] chdir("./169") = 0 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5176] setpgid(0, 0) = 0 [pid 5176] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5176] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5176] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5176] write(3, "1000", 4) = 4 [pid 5176] close(3) = 0 [pid 5176] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5176] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5176] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5176] openat(3, "freezer.state", O_RDWR) = 4 [pid 5176] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5176] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5176] close(3) = 0 [pid 5176] close(4) = 0 [pid 5176] close(5) = -1 EBADF (Bad file descriptor) [pid 5176] close(6) = -1 EBADF (Bad file descriptor) [pid 5176] close(7) = -1 EBADF (Bad file descriptor) [pid 5176] close(8) = -1 EBADF (Bad file descriptor) [pid 5176] close(9) = -1 EBADF (Bad file descriptor) [pid 5176] close(10) = -1 EBADF (Bad file descriptor) [pid 5176] close(11) = -1 EBADF (Bad file descriptor) [pid 5176] close(12) = -1 EBADF (Bad file descriptor) [pid 5176] close(13) = -1 EBADF (Bad file descriptor) [pid 5176] close(14) = -1 EBADF (Bad file descriptor) [pid 5176] close(15) = -1 EBADF (Bad file descriptor) [pid 5176] close(16) = -1 EBADF (Bad file descriptor) [pid 5176] close(17) = -1 EBADF (Bad file descriptor) [pid 5176] close(18) = -1 EBADF (Bad file descriptor) [pid 5176] close(19) = -1 EBADF (Bad file descriptor) [pid 5176] close(20) = -1 EBADF (Bad file descriptor) [pid 5176] close(21) = -1 EBADF (Bad file descriptor) [pid 5176] close(22) = -1 EBADF (Bad file descriptor) [pid 5176] close(23) = -1 EBADF (Bad file descriptor) [pid 5176] close(24) = -1 EBADF (Bad file descriptor) [pid 5176] close(25) = -1 EBADF (Bad file descriptor) [pid 5176] close(26) = -1 EBADF (Bad file descriptor) [pid 5176] close(27) = -1 EBADF (Bad file descriptor) [pid 5176] close(28) = -1 EBADF (Bad file descriptor) [pid 5176] close(29) = -1 EBADF (Bad file descriptor) [pid 5176] exit_group(0) = ? [pid 5176] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./169/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./169/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./169/cgroup.cpu") = 0 [pid 5005] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./169/binderfs") = 0 [pid 5005] umount2("./169/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./169/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./169/cgroup") = 0 [pid 5005] umount2("./169/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./169/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./169/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./169") = 0 [pid 5005] mkdir("./170", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5177 attached [pid 5177] chdir("./170") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 172 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5177] setpgid(0, 0) = 0 [pid 5177] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5177] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5177] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5177] write(3, "1000", 4) = 4 [pid 5177] close(3) = 0 [pid 5177] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5177] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5177] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5177] openat(3, "freezer.state", O_RDWR) = 4 [pid 5177] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5177] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5177] close(3) = 0 [pid 5177] close(4) = 0 [pid 5177] close(5) = -1 EBADF (Bad file descriptor) [pid 5177] close(6) = -1 EBADF (Bad file descriptor) [pid 5177] close(7) = -1 EBADF (Bad file descriptor) [pid 5177] close(8) = -1 EBADF (Bad file descriptor) [pid 5177] close(9) = -1 EBADF (Bad file descriptor) [pid 5177] close(10) = -1 EBADF (Bad file descriptor) [pid 5177] close(11) = -1 EBADF (Bad file descriptor) [pid 5177] close(12) = -1 EBADF (Bad file descriptor) [pid 5177] close(13) = -1 EBADF (Bad file descriptor) [pid 5177] close(14) = -1 EBADF (Bad file descriptor) [pid 5177] close(15) = -1 EBADF (Bad file descriptor) [pid 5177] close(16) = -1 EBADF (Bad file descriptor) [pid 5177] close(17) = -1 EBADF (Bad file descriptor) [pid 5177] close(18) = -1 EBADF (Bad file descriptor) [pid 5177] close(19) = -1 EBADF (Bad file descriptor) [pid 5177] close(20) = -1 EBADF (Bad file descriptor) [pid 5177] close(21) = -1 EBADF (Bad file descriptor) [pid 5177] close(22) = -1 EBADF (Bad file descriptor) [pid 5177] close(23) = -1 EBADF (Bad file descriptor) [pid 5177] close(24) = -1 EBADF (Bad file descriptor) [pid 5177] close(25) = -1 EBADF (Bad file descriptor) [pid 5177] close(26) = -1 EBADF (Bad file descriptor) [pid 5177] close(27) = -1 EBADF (Bad file descriptor) [pid 5177] close(28) = -1 EBADF (Bad file descriptor) [pid 5177] close(29) = -1 EBADF (Bad file descriptor) [pid 5177] exit_group(0) = ? [pid 5177] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./170/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./170/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./170/cgroup.cpu") = 0 [pid 5005] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./170/binderfs") = 0 [pid 5005] umount2("./170/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./170/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./170/cgroup") = 0 [pid 5005] umount2("./170/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./170/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./170/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./170") = 0 [pid 5005] mkdir("./171", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5178 attached [pid 5178] chdir("./171") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 173 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5178] setpgid(0, 0) = 0 [pid 5178] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5178] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5178] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "1000", 4) = 4 [pid 5178] close(3) = 0 [pid 5178] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5178] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5178] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5178] openat(3, "freezer.state", O_RDWR) = 4 [pid 5178] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5178] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5178] close(3) = 0 [pid 5178] close(4) = 0 [pid 5178] close(5) = -1 EBADF (Bad file descriptor) [pid 5178] close(6) = -1 EBADF (Bad file descriptor) [pid 5178] close(7) = -1 EBADF (Bad file descriptor) [pid 5178] close(8) = -1 EBADF (Bad file descriptor) [pid 5178] close(9) = -1 EBADF (Bad file descriptor) [pid 5178] close(10) = -1 EBADF (Bad file descriptor) [pid 5178] close(11) = -1 EBADF (Bad file descriptor) [pid 5178] close(12) = -1 EBADF (Bad file descriptor) [pid 5178] close(13) = -1 EBADF (Bad file descriptor) [pid 5178] close(14) = -1 EBADF (Bad file descriptor) [pid 5178] close(15) = -1 EBADF (Bad file descriptor) [pid 5178] close(16) = -1 EBADF (Bad file descriptor) [pid 5178] close(17) = -1 EBADF (Bad file descriptor) [pid 5178] close(18) = -1 EBADF (Bad file descriptor) [pid 5178] close(19) = -1 EBADF (Bad file descriptor) [pid 5178] close(20) = -1 EBADF (Bad file descriptor) [pid 5178] close(21) = -1 EBADF (Bad file descriptor) [pid 5178] close(22) = -1 EBADF (Bad file descriptor) [pid 5178] close(23) = -1 EBADF (Bad file descriptor) [pid 5178] close(24) = -1 EBADF (Bad file descriptor) [pid 5178] close(25) = -1 EBADF (Bad file descriptor) [pid 5178] close(26) = -1 EBADF (Bad file descriptor) [pid 5178] close(27) = -1 EBADF (Bad file descriptor) [pid 5178] close(28) = -1 EBADF (Bad file descriptor) [pid 5178] close(29) = -1 EBADF (Bad file descriptor) [pid 5178] exit_group(0) = ? [pid 5178] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./171/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./171/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./171/cgroup.cpu") = 0 [pid 5005] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./171/binderfs") = 0 [pid 5005] umount2("./171/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./171/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./171/cgroup") = 0 [pid 5005] umount2("./171/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./171/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./171/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./171") = 0 [pid 5005] mkdir("./172", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 174 ./strace-static-x86_64: Process 5179 attached [pid 5179] chdir("./172") = 0 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5179] setpgid(0, 0) = 0 [pid 5179] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5179] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5179] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5179] write(3, "1000", 4) = 4 [pid 5179] close(3) = 0 [pid 5179] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5179] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5179] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5179] openat(3, "freezer.state", O_RDWR) = 4 [pid 5179] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5179] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5179] close(3) = 0 [pid 5179] close(4) = 0 [pid 5179] close(5) = -1 EBADF (Bad file descriptor) [pid 5179] close(6) = -1 EBADF (Bad file descriptor) [pid 5179] close(7) = -1 EBADF (Bad file descriptor) [pid 5179] close(8) = -1 EBADF (Bad file descriptor) [pid 5179] close(9) = -1 EBADF (Bad file descriptor) [pid 5179] close(10) = -1 EBADF (Bad file descriptor) [pid 5179] close(11) = -1 EBADF (Bad file descriptor) [pid 5179] close(12) = -1 EBADF (Bad file descriptor) [pid 5179] close(13) = -1 EBADF (Bad file descriptor) [pid 5179] close(14) = -1 EBADF (Bad file descriptor) [pid 5179] close(15) = -1 EBADF (Bad file descriptor) [pid 5179] close(16) = -1 EBADF (Bad file descriptor) [pid 5179] close(17) = -1 EBADF (Bad file descriptor) [pid 5179] close(18) = -1 EBADF (Bad file descriptor) [pid 5179] close(19) = -1 EBADF (Bad file descriptor) [pid 5179] close(20) = -1 EBADF (Bad file descriptor) [pid 5179] close(21) = -1 EBADF (Bad file descriptor) [pid 5179] close(22) = -1 EBADF (Bad file descriptor) [pid 5179] close(23) = -1 EBADF (Bad file descriptor) [pid 5179] close(24) = -1 EBADF (Bad file descriptor) [pid 5179] close(25) = -1 EBADF (Bad file descriptor) [pid 5179] close(26) = -1 EBADF (Bad file descriptor) [pid 5179] close(27) = -1 EBADF (Bad file descriptor) [pid 5179] close(28) = -1 EBADF (Bad file descriptor) [pid 5179] close(29) = -1 EBADF (Bad file descriptor) [pid 5179] exit_group(0) = ? [pid 5179] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./172/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./172/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./172/cgroup.cpu") = 0 [pid 5005] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./172/binderfs") = 0 [pid 5005] umount2("./172/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./172/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./172/cgroup") = 0 [pid 5005] umount2("./172/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./172/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./172/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./172") = 0 [pid 5005] mkdir("./173", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5180 attached , child_tidptr=0x5555570a35d0) = 175 [pid 5180] chdir("./173") = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5180] setpgid(0, 0) = 0 [pid 5180] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5180] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5180] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5180] write(3, "1000", 4) = 4 [pid 5180] close(3) = 0 [pid 5180] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5180] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5180] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5180] openat(3, "freezer.state", O_RDWR) = 4 [pid 5180] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5180] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5180] close(3) = 0 [pid 5180] close(4) = 0 [pid 5180] close(5) = -1 EBADF (Bad file descriptor) [pid 5180] close(6) = -1 EBADF (Bad file descriptor) [pid 5180] close(7) = -1 EBADF (Bad file descriptor) [pid 5180] close(8) = -1 EBADF (Bad file descriptor) [pid 5180] close(9) = -1 EBADF (Bad file descriptor) [pid 5180] close(10) = -1 EBADF (Bad file descriptor) [pid 5180] close(11) = -1 EBADF (Bad file descriptor) [pid 5180] close(12) = -1 EBADF (Bad file descriptor) [pid 5180] close(13) = -1 EBADF (Bad file descriptor) [pid 5180] close(14) = -1 EBADF (Bad file descriptor) [pid 5180] close(15) = -1 EBADF (Bad file descriptor) [pid 5180] close(16) = -1 EBADF (Bad file descriptor) [pid 5180] close(17) = -1 EBADF (Bad file descriptor) [pid 5180] close(18) = -1 EBADF (Bad file descriptor) [pid 5180] close(19) = -1 EBADF (Bad file descriptor) [pid 5180] close(20) = -1 EBADF (Bad file descriptor) [pid 5180] close(21) = -1 EBADF (Bad file descriptor) [pid 5180] close(22) = -1 EBADF (Bad file descriptor) [pid 5180] close(23) = -1 EBADF (Bad file descriptor) [pid 5180] close(24) = -1 EBADF (Bad file descriptor) [pid 5180] close(25) = -1 EBADF (Bad file descriptor) [pid 5180] close(26) = -1 EBADF (Bad file descriptor) [pid 5180] close(27) = -1 EBADF (Bad file descriptor) [pid 5180] close(28) = -1 EBADF (Bad file descriptor) [pid 5180] close(29) = -1 EBADF (Bad file descriptor) [pid 5180] exit_group(0) = ? [pid 5180] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./173/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./173/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./173/cgroup.cpu") = 0 [pid 5005] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./173/binderfs") = 0 [pid 5005] umount2("./173/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./173/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./173/cgroup") = 0 [pid 5005] umount2("./173/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./173/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./173/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./173") = 0 [pid 5005] mkdir("./174", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 176 ./strace-static-x86_64: Process 5181 attached [pid 5181] chdir("./174") = 0 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5181] setpgid(0, 0) = 0 [pid 5181] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5181] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5181] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5181] write(3, "1000", 4) = 4 [pid 5181] close(3) = 0 [pid 5181] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5181] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5181] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5181] openat(3, "freezer.state", O_RDWR) = 4 [pid 5181] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5181] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5181] close(3) = 0 [pid 5181] close(4) = 0 [pid 5181] close(5) = -1 EBADF (Bad file descriptor) [pid 5181] close(6) = -1 EBADF (Bad file descriptor) [pid 5181] close(7) = -1 EBADF (Bad file descriptor) [pid 5181] close(8) = -1 EBADF (Bad file descriptor) [pid 5181] close(9) = -1 EBADF (Bad file descriptor) [pid 5181] close(10) = -1 EBADF (Bad file descriptor) [pid 5181] close(11) = -1 EBADF (Bad file descriptor) [pid 5181] close(12) = -1 EBADF (Bad file descriptor) [pid 5181] close(13) = -1 EBADF (Bad file descriptor) [pid 5181] close(14) = -1 EBADF (Bad file descriptor) [pid 5181] close(15) = -1 EBADF (Bad file descriptor) [pid 5181] close(16) = -1 EBADF (Bad file descriptor) [pid 5181] close(17) = -1 EBADF (Bad file descriptor) [pid 5181] close(18) = -1 EBADF (Bad file descriptor) [pid 5181] close(19) = -1 EBADF (Bad file descriptor) [pid 5181] close(20) = -1 EBADF (Bad file descriptor) [pid 5181] close(21) = -1 EBADF (Bad file descriptor) [pid 5181] close(22) = -1 EBADF (Bad file descriptor) [pid 5181] close(23) = -1 EBADF (Bad file descriptor) [pid 5181] close(24) = -1 EBADF (Bad file descriptor) [pid 5181] close(25) = -1 EBADF (Bad file descriptor) [pid 5181] close(26) = -1 EBADF (Bad file descriptor) [pid 5181] close(27) = -1 EBADF (Bad file descriptor) [pid 5181] close(28) = -1 EBADF (Bad file descriptor) [pid 5181] close(29) = -1 EBADF (Bad file descriptor) [pid 5181] exit_group(0) = ? [pid 5181] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./174/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./174/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./174/cgroup.cpu") = 0 [pid 5005] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./174/binderfs") = 0 [pid 5005] umount2("./174/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./174/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./174/cgroup") = 0 [pid 5005] umount2("./174/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./174/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./174/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./174") = 0 [pid 5005] mkdir("./175", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5182 attached [pid 5182] chdir("./175") = 0 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 177 [pid 5182] setpgid(0, 0) = 0 [pid 5182] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5182] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5182] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5182] write(3, "1000", 4) = 4 [pid 5182] close(3) = 0 [pid 5182] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5182] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5182] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5182] openat(3, "freezer.state", O_RDWR) = 4 [pid 5182] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5182] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5182] close(3) = 0 [pid 5182] close(4) = 0 [pid 5182] close(5) = -1 EBADF (Bad file descriptor) [pid 5182] close(6) = -1 EBADF (Bad file descriptor) [pid 5182] close(7) = -1 EBADF (Bad file descriptor) [pid 5182] close(8) = -1 EBADF (Bad file descriptor) [pid 5182] close(9) = -1 EBADF (Bad file descriptor) [pid 5182] close(10) = -1 EBADF (Bad file descriptor) [pid 5182] close(11) = -1 EBADF (Bad file descriptor) [pid 5182] close(12) = -1 EBADF (Bad file descriptor) [pid 5182] close(13) = -1 EBADF (Bad file descriptor) [pid 5182] close(14) = -1 EBADF (Bad file descriptor) [pid 5182] close(15) = -1 EBADF (Bad file descriptor) [pid 5182] close(16) = -1 EBADF (Bad file descriptor) [pid 5182] close(17) = -1 EBADF (Bad file descriptor) [pid 5182] close(18) = -1 EBADF (Bad file descriptor) [pid 5182] close(19) = -1 EBADF (Bad file descriptor) [pid 5182] close(20) = -1 EBADF (Bad file descriptor) [pid 5182] close(21) = -1 EBADF (Bad file descriptor) [pid 5182] close(22) = -1 EBADF (Bad file descriptor) [pid 5182] close(23) = -1 EBADF (Bad file descriptor) [pid 5182] close(24) = -1 EBADF (Bad file descriptor) [pid 5182] close(25) = -1 EBADF (Bad file descriptor) [pid 5182] close(26) = -1 EBADF (Bad file descriptor) [pid 5182] close(27) = -1 EBADF (Bad file descriptor) [pid 5182] close(28) = -1 EBADF (Bad file descriptor) [pid 5182] close(29) = -1 EBADF (Bad file descriptor) [pid 5182] exit_group(0) = ? [pid 5182] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./175/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./175/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./175/cgroup.cpu") = 0 [pid 5005] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./175/binderfs") = 0 [pid 5005] umount2("./175/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./175/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./175/cgroup") = 0 [pid 5005] umount2("./175/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./175/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./175/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./175") = 0 [pid 5005] mkdir("./176", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5183 attached [pid 5183] chdir("./176") = 0 [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 178 [pid 5183] <... prctl resumed>) = 0 [pid 5183] setpgid(0, 0) = 0 [pid 5183] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5183] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5183] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5183] write(3, "1000", 4) = 4 [pid 5183] close(3) = 0 [pid 5183] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5183] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5183] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5183] openat(3, "freezer.state", O_RDWR) = 4 [pid 5183] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5183] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5183] close(3) = 0 [pid 5183] close(4) = 0 [pid 5183] close(5) = -1 EBADF (Bad file descriptor) [pid 5183] close(6) = -1 EBADF (Bad file descriptor) [pid 5183] close(7) = -1 EBADF (Bad file descriptor) [pid 5183] close(8) = -1 EBADF (Bad file descriptor) [pid 5183] close(9) = -1 EBADF (Bad file descriptor) [pid 5183] close(10) = -1 EBADF (Bad file descriptor) [pid 5183] close(11) = -1 EBADF (Bad file descriptor) [pid 5183] close(12) = -1 EBADF (Bad file descriptor) [pid 5183] close(13) = -1 EBADF (Bad file descriptor) [pid 5183] close(14) = -1 EBADF (Bad file descriptor) [pid 5183] close(15) = -1 EBADF (Bad file descriptor) [pid 5183] close(16) = -1 EBADF (Bad file descriptor) [pid 5183] close(17) = -1 EBADF (Bad file descriptor) [pid 5183] close(18) = -1 EBADF (Bad file descriptor) [pid 5183] close(19) = -1 EBADF (Bad file descriptor) [pid 5183] close(20) = -1 EBADF (Bad file descriptor) [pid 5183] close(21) = -1 EBADF (Bad file descriptor) [pid 5183] close(22) = -1 EBADF (Bad file descriptor) [pid 5183] close(23) = -1 EBADF (Bad file descriptor) [pid 5183] close(24) = -1 EBADF (Bad file descriptor) [pid 5183] close(25) = -1 EBADF (Bad file descriptor) [pid 5183] close(26) = -1 EBADF (Bad file descriptor) [pid 5183] close(27) = -1 EBADF (Bad file descriptor) [pid 5183] close(28) = -1 EBADF (Bad file descriptor) [pid 5183] close(29) = -1 EBADF (Bad file descriptor) [pid 5183] exit_group(0) = ? [pid 5183] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./176/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./176/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./176/cgroup.cpu") = 0 [pid 5005] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./176/binderfs") = 0 [pid 5005] umount2("./176/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./176/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./176/cgroup") = 0 [pid 5005] umount2("./176/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./176/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./176/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./176") = 0 [pid 5005] mkdir("./177", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5184 attached [pid 5184] chdir("./177") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 179 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5184] setpgid(0, 0) = 0 [pid 5184] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5184] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5184] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5184] write(3, "1000", 4) = 4 [pid 5184] close(3) = 0 [pid 5184] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5184] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5184] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5184] openat(3, "freezer.state", O_RDWR) = 4 [pid 5184] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5184] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5184] close(3) = 0 [pid 5184] close(4) = 0 [pid 5184] close(5) = -1 EBADF (Bad file descriptor) [pid 5184] close(6) = -1 EBADF (Bad file descriptor) [pid 5184] close(7) = -1 EBADF (Bad file descriptor) [pid 5184] close(8) = -1 EBADF (Bad file descriptor) [pid 5184] close(9) = -1 EBADF (Bad file descriptor) [pid 5184] close(10) = -1 EBADF (Bad file descriptor) [pid 5184] close(11) = -1 EBADF (Bad file descriptor) [pid 5184] close(12) = -1 EBADF (Bad file descriptor) [pid 5184] close(13) = -1 EBADF (Bad file descriptor) [pid 5184] close(14) = -1 EBADF (Bad file descriptor) [pid 5184] close(15) = -1 EBADF (Bad file descriptor) [pid 5184] close(16) = -1 EBADF (Bad file descriptor) [pid 5184] close(17) = -1 EBADF (Bad file descriptor) [pid 5184] close(18) = -1 EBADF (Bad file descriptor) [pid 5184] close(19) = -1 EBADF (Bad file descriptor) [pid 5184] close(20) = -1 EBADF (Bad file descriptor) [pid 5184] close(21) = -1 EBADF (Bad file descriptor) [pid 5184] close(22) = -1 EBADF (Bad file descriptor) [pid 5184] close(23) = -1 EBADF (Bad file descriptor) [pid 5184] close(24) = -1 EBADF (Bad file descriptor) [pid 5184] close(25) = -1 EBADF (Bad file descriptor) [pid 5184] close(26) = -1 EBADF (Bad file descriptor) [pid 5184] close(27) = -1 EBADF (Bad file descriptor) [pid 5184] close(28) = -1 EBADF (Bad file descriptor) [pid 5184] close(29) = -1 EBADF (Bad file descriptor) [pid 5184] exit_group(0) = ? [pid 5184] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./177/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./177/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./177/cgroup.cpu") = 0 [pid 5005] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./177/binderfs") = 0 [pid 5005] umount2("./177/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./177/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./177/cgroup") = 0 [pid 5005] umount2("./177/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./177/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./177/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./177") = 0 [pid 5005] mkdir("./178", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5185 attached [pid 5185] chdir("./178") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 180 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5185] setpgid(0, 0) = 0 [pid 5185] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5185] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5185] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5185] write(3, "1000", 4) = 4 [pid 5185] close(3) = 0 [pid 5185] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5185] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5185] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5185] openat(3, "freezer.state", O_RDWR) = 4 [pid 5185] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5185] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5185] close(3) = 0 [pid 5185] close(4) = 0 [pid 5185] close(5) = -1 EBADF (Bad file descriptor) [pid 5185] close(6) = -1 EBADF (Bad file descriptor) [pid 5185] close(7) = -1 EBADF (Bad file descriptor) [pid 5185] close(8) = -1 EBADF (Bad file descriptor) [pid 5185] close(9) = -1 EBADF (Bad file descriptor) [pid 5185] close(10) = -1 EBADF (Bad file descriptor) [pid 5185] close(11) = -1 EBADF (Bad file descriptor) [pid 5185] close(12) = -1 EBADF (Bad file descriptor) [pid 5185] close(13) = -1 EBADF (Bad file descriptor) [pid 5185] close(14) = -1 EBADF (Bad file descriptor) [pid 5185] close(15) = -1 EBADF (Bad file descriptor) [pid 5185] close(16) = -1 EBADF (Bad file descriptor) [pid 5185] close(17) = -1 EBADF (Bad file descriptor) [pid 5185] close(18) = -1 EBADF (Bad file descriptor) [pid 5185] close(19) = -1 EBADF (Bad file descriptor) [pid 5185] close(20) = -1 EBADF (Bad file descriptor) [pid 5185] close(21) = -1 EBADF (Bad file descriptor) [pid 5185] close(22) = -1 EBADF (Bad file descriptor) [pid 5185] close(23) = -1 EBADF (Bad file descriptor) [pid 5185] close(24) = -1 EBADF (Bad file descriptor) [pid 5185] close(25) = -1 EBADF (Bad file descriptor) [pid 5185] close(26) = -1 EBADF (Bad file descriptor) [pid 5185] close(27) = -1 EBADF (Bad file descriptor) [pid 5185] close(28) = -1 EBADF (Bad file descriptor) [pid 5185] close(29) = -1 EBADF (Bad file descriptor) [pid 5185] exit_group(0) = ? [pid 5185] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./178/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./178/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./178/cgroup.cpu") = 0 [pid 5005] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./178/binderfs") = 0 [pid 5005] umount2("./178/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./178/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./178/cgroup") = 0 [pid 5005] umount2("./178/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./178/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./178/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./178") = 0 [pid 5005] mkdir("./179", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5186 attached [pid 5186] chdir("./179") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 181 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5186] setpgid(0, 0) = 0 [pid 5186] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5186] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5186] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5186] write(3, "1000", 4) = 4 [pid 5186] close(3) = 0 [pid 5186] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5186] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5186] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5186] openat(3, "freezer.state", O_RDWR) = 4 [pid 5186] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5186] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5186] close(3) = 0 [pid 5186] close(4) = 0 [pid 5186] close(5) = -1 EBADF (Bad file descriptor) [pid 5186] close(6) = -1 EBADF (Bad file descriptor) [pid 5186] close(7) = -1 EBADF (Bad file descriptor) [pid 5186] close(8) = -1 EBADF (Bad file descriptor) [pid 5186] close(9) = -1 EBADF (Bad file descriptor) [pid 5186] close(10) = -1 EBADF (Bad file descriptor) [pid 5186] close(11) = -1 EBADF (Bad file descriptor) [pid 5186] close(12) = -1 EBADF (Bad file descriptor) [pid 5186] close(13) = -1 EBADF (Bad file descriptor) [pid 5186] close(14) = -1 EBADF (Bad file descriptor) [pid 5186] close(15) = -1 EBADF (Bad file descriptor) [pid 5186] close(16) = -1 EBADF (Bad file descriptor) [pid 5186] close(17) = -1 EBADF (Bad file descriptor) [pid 5186] close(18) = -1 EBADF (Bad file descriptor) [pid 5186] close(19) = -1 EBADF (Bad file descriptor) [pid 5186] close(20) = -1 EBADF (Bad file descriptor) [pid 5186] close(21) = -1 EBADF (Bad file descriptor) [pid 5186] close(22) = -1 EBADF (Bad file descriptor) [pid 5186] close(23) = -1 EBADF (Bad file descriptor) [pid 5186] close(24) = -1 EBADF (Bad file descriptor) [pid 5186] close(25) = -1 EBADF (Bad file descriptor) [pid 5186] close(26) = -1 EBADF (Bad file descriptor) [pid 5186] close(27) = -1 EBADF (Bad file descriptor) [pid 5186] close(28) = -1 EBADF (Bad file descriptor) [pid 5186] close(29) = -1 EBADF (Bad file descriptor) [pid 5186] exit_group(0) = ? [pid 5186] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./179/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./179/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./179/cgroup.cpu") = 0 [pid 5005] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./179/binderfs") = 0 [pid 5005] umount2("./179/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./179/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./179/cgroup") = 0 [pid 5005] umount2("./179/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./179/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./179/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./179") = 0 [pid 5005] mkdir("./180", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5187 attached [pid 5187] chdir("./180") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 182 [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5187] setpgid(0, 0) = 0 [pid 5187] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5187] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5187] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5187] write(3, "1000", 4) = 4 [pid 5187] close(3) = 0 [pid 5187] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5187] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5187] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5187] openat(3, "freezer.state", O_RDWR) = 4 [pid 5187] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5187] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5187] close(3) = 0 [pid 5187] close(4) = 0 [pid 5187] close(5) = -1 EBADF (Bad file descriptor) [pid 5187] close(6) = -1 EBADF (Bad file descriptor) [pid 5187] close(7) = -1 EBADF (Bad file descriptor) [pid 5187] close(8) = -1 EBADF (Bad file descriptor) [pid 5187] close(9) = -1 EBADF (Bad file descriptor) [pid 5187] close(10) = -1 EBADF (Bad file descriptor) [pid 5187] close(11) = -1 EBADF (Bad file descriptor) [pid 5187] close(12) = -1 EBADF (Bad file descriptor) [pid 5187] close(13) = -1 EBADF (Bad file descriptor) [pid 5187] close(14) = -1 EBADF (Bad file descriptor) [pid 5187] close(15) = -1 EBADF (Bad file descriptor) [pid 5187] close(16) = -1 EBADF (Bad file descriptor) [pid 5187] close(17) = -1 EBADF (Bad file descriptor) [pid 5187] close(18) = -1 EBADF (Bad file descriptor) [pid 5187] close(19) = -1 EBADF (Bad file descriptor) [pid 5187] close(20) = -1 EBADF (Bad file descriptor) [pid 5187] close(21) = -1 EBADF (Bad file descriptor) [pid 5187] close(22) = -1 EBADF (Bad file descriptor) [pid 5187] close(23) = -1 EBADF (Bad file descriptor) [pid 5187] close(24) = -1 EBADF (Bad file descriptor) [pid 5187] close(25) = -1 EBADF (Bad file descriptor) [pid 5187] close(26) = -1 EBADF (Bad file descriptor) [pid 5187] close(27) = -1 EBADF (Bad file descriptor) [pid 5187] close(28) = -1 EBADF (Bad file descriptor) [pid 5187] close(29) = -1 EBADF (Bad file descriptor) [pid 5187] exit_group(0) = ? [pid 5187] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./180/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./180/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./180/cgroup.cpu") = 0 [pid 5005] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./180/binderfs") = 0 [pid 5005] umount2("./180/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./180/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./180/cgroup") = 0 [pid 5005] umount2("./180/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./180/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./180/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./180") = 0 [pid 5005] mkdir("./181", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5188 attached [pid 5188] chdir("./181") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 183 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5188] setpgid(0, 0) = 0 [pid 5188] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5188] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5188] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5188] write(3, "1000", 4) = 4 [pid 5188] close(3) = 0 [pid 5188] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5188] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5188] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5188] openat(3, "freezer.state", O_RDWR) = 4 [pid 5188] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5188] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5188] close(3) = 0 [pid 5188] close(4) = 0 [pid 5188] close(5) = -1 EBADF (Bad file descriptor) [pid 5188] close(6) = -1 EBADF (Bad file descriptor) [pid 5188] close(7) = -1 EBADF (Bad file descriptor) [pid 5188] close(8) = -1 EBADF (Bad file descriptor) [pid 5188] close(9) = -1 EBADF (Bad file descriptor) [pid 5188] close(10) = -1 EBADF (Bad file descriptor) [pid 5188] close(11) = -1 EBADF (Bad file descriptor) [pid 5188] close(12) = -1 EBADF (Bad file descriptor) [pid 5188] close(13) = -1 EBADF (Bad file descriptor) [pid 5188] close(14) = -1 EBADF (Bad file descriptor) [pid 5188] close(15) = -1 EBADF (Bad file descriptor) [pid 5188] close(16) = -1 EBADF (Bad file descriptor) [pid 5188] close(17) = -1 EBADF (Bad file descriptor) [pid 5188] close(18) = -1 EBADF (Bad file descriptor) [pid 5188] close(19) = -1 EBADF (Bad file descriptor) [pid 5188] close(20) = -1 EBADF (Bad file descriptor) [pid 5188] close(21) = -1 EBADF (Bad file descriptor) [pid 5188] close(22) = -1 EBADF (Bad file descriptor) [pid 5188] close(23) = -1 EBADF (Bad file descriptor) [pid 5188] close(24) = -1 EBADF (Bad file descriptor) [pid 5188] close(25) = -1 EBADF (Bad file descriptor) [pid 5188] close(26) = -1 EBADF (Bad file descriptor) [pid 5188] close(27) = -1 EBADF (Bad file descriptor) [pid 5188] close(28) = -1 EBADF (Bad file descriptor) [pid 5188] close(29) = -1 EBADF (Bad file descriptor) [pid 5188] exit_group(0) = ? [pid 5188] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./181/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./181/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./181/cgroup.cpu") = 0 [pid 5005] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./181/binderfs") = 0 [pid 5005] umount2("./181/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./181/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./181/cgroup") = 0 [pid 5005] umount2("./181/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./181/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./181/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./181") = 0 [pid 5005] mkdir("./182", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5189 attached [pid 5189] chdir("./182") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 184 [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5189] setpgid(0, 0) = 0 [pid 5189] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5189] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5189] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5189] write(3, "1000", 4) = 4 [pid 5189] close(3) = 0 [pid 5189] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5189] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5189] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5189] openat(3, "freezer.state", O_RDWR) = 4 [pid 5189] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5189] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5189] close(3) = 0 [pid 5189] close(4) = 0 [pid 5189] close(5) = -1 EBADF (Bad file descriptor) [pid 5189] close(6) = -1 EBADF (Bad file descriptor) [pid 5189] close(7) = -1 EBADF (Bad file descriptor) [pid 5189] close(8) = -1 EBADF (Bad file descriptor) [pid 5189] close(9) = -1 EBADF (Bad file descriptor) [pid 5189] close(10) = -1 EBADF (Bad file descriptor) [pid 5189] close(11) = -1 EBADF (Bad file descriptor) [pid 5189] close(12) = -1 EBADF (Bad file descriptor) [pid 5189] close(13) = -1 EBADF (Bad file descriptor) [pid 5189] close(14) = -1 EBADF (Bad file descriptor) [pid 5189] close(15) = -1 EBADF (Bad file descriptor) [pid 5189] close(16) = -1 EBADF (Bad file descriptor) [pid 5189] close(17) = -1 EBADF (Bad file descriptor) [pid 5189] close(18) = -1 EBADF (Bad file descriptor) [pid 5189] close(19) = -1 EBADF (Bad file descriptor) [pid 5189] close(20) = -1 EBADF (Bad file descriptor) [pid 5189] close(21) = -1 EBADF (Bad file descriptor) [pid 5189] close(22) = -1 EBADF (Bad file descriptor) [pid 5189] close(23) = -1 EBADF (Bad file descriptor) [pid 5189] close(24) = -1 EBADF (Bad file descriptor) [pid 5189] close(25) = -1 EBADF (Bad file descriptor) [pid 5189] close(26) = -1 EBADF (Bad file descriptor) [pid 5189] close(27) = -1 EBADF (Bad file descriptor) [pid 5189] close(28) = -1 EBADF (Bad file descriptor) [pid 5189] close(29) = -1 EBADF (Bad file descriptor) [pid 5189] exit_group(0) = ? [pid 5189] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./182/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./182/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./182/cgroup.cpu") = 0 [pid 5005] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./182/binderfs") = 0 [pid 5005] umount2("./182/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./182/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./182/cgroup") = 0 [pid 5005] umount2("./182/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./182/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./182/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./182") = 0 [pid 5005] mkdir("./183", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5190 attached [pid 5190] chdir("./183") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 185 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5190] setpgid(0, 0) = 0 [pid 5190] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5190] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5190] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5190] write(3, "1000", 4) = 4 [pid 5190] close(3) = 0 [pid 5190] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5190] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5190] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5190] openat(3, "freezer.state", O_RDWR) = 4 [pid 5190] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5190] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5190] close(3) = 0 [pid 5190] close(4) = 0 [pid 5190] close(5) = -1 EBADF (Bad file descriptor) [pid 5190] close(6) = -1 EBADF (Bad file descriptor) [pid 5190] close(7) = -1 EBADF (Bad file descriptor) [pid 5190] close(8) = -1 EBADF (Bad file descriptor) [pid 5190] close(9) = -1 EBADF (Bad file descriptor) [pid 5190] close(10) = -1 EBADF (Bad file descriptor) [pid 5190] close(11) = -1 EBADF (Bad file descriptor) [pid 5190] close(12) = -1 EBADF (Bad file descriptor) [pid 5190] close(13) = -1 EBADF (Bad file descriptor) [pid 5190] close(14) = -1 EBADF (Bad file descriptor) [pid 5190] close(15) = -1 EBADF (Bad file descriptor) [pid 5190] close(16) = -1 EBADF (Bad file descriptor) [pid 5190] close(17) = -1 EBADF (Bad file descriptor) [pid 5190] close(18) = -1 EBADF (Bad file descriptor) [pid 5190] close(19) = -1 EBADF (Bad file descriptor) [pid 5190] close(20) = -1 EBADF (Bad file descriptor) [pid 5190] close(21) = -1 EBADF (Bad file descriptor) [pid 5190] close(22) = -1 EBADF (Bad file descriptor) [pid 5190] close(23) = -1 EBADF (Bad file descriptor) [pid 5190] close(24) = -1 EBADF (Bad file descriptor) [pid 5190] close(25) = -1 EBADF (Bad file descriptor) [pid 5190] close(26) = -1 EBADF (Bad file descriptor) [pid 5190] close(27) = -1 EBADF (Bad file descriptor) [pid 5190] close(28) = -1 EBADF (Bad file descriptor) [pid 5190] close(29) = -1 EBADF (Bad file descriptor) [pid 5190] exit_group(0) = ? [pid 5190] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./183/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./183/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./183/cgroup.cpu") = 0 [pid 5005] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./183/binderfs") = 0 [pid 5005] umount2("./183/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./183/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./183/cgroup") = 0 [pid 5005] umount2("./183/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./183/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./183/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./183") = 0 [pid 5005] mkdir("./184", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5191 attached [pid 5191] chdir("./184") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 186 [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5191] setpgid(0, 0) = 0 [pid 5191] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5191] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5191] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5191] write(3, "1000", 4) = 4 [pid 5191] close(3) = 0 [pid 5191] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5191] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5191] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5191] openat(3, "freezer.state", O_RDWR) = 4 [pid 5191] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5191] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5191] close(3) = 0 [pid 5191] close(4) = 0 [pid 5191] close(5) = -1 EBADF (Bad file descriptor) [pid 5191] close(6) = -1 EBADF (Bad file descriptor) [pid 5191] close(7) = -1 EBADF (Bad file descriptor) [pid 5191] close(8) = -1 EBADF (Bad file descriptor) [pid 5191] close(9) = -1 EBADF (Bad file descriptor) [pid 5191] close(10) = -1 EBADF (Bad file descriptor) [pid 5191] close(11) = -1 EBADF (Bad file descriptor) [pid 5191] close(12) = -1 EBADF (Bad file descriptor) [pid 5191] close(13) = -1 EBADF (Bad file descriptor) [pid 5191] close(14) = -1 EBADF (Bad file descriptor) [pid 5191] close(15) = -1 EBADF (Bad file descriptor) [pid 5191] close(16) = -1 EBADF (Bad file descriptor) [pid 5191] close(17) = -1 EBADF (Bad file descriptor) [pid 5191] close(18) = -1 EBADF (Bad file descriptor) [pid 5191] close(19) = -1 EBADF (Bad file descriptor) [pid 5191] close(20) = -1 EBADF (Bad file descriptor) [pid 5191] close(21) = -1 EBADF (Bad file descriptor) [pid 5191] close(22) = -1 EBADF (Bad file descriptor) [pid 5191] close(23) = -1 EBADF (Bad file descriptor) [pid 5191] close(24) = -1 EBADF (Bad file descriptor) [pid 5191] close(25) = -1 EBADF (Bad file descriptor) [pid 5191] close(26) = -1 EBADF (Bad file descriptor) [pid 5191] close(27) = -1 EBADF (Bad file descriptor) [pid 5191] close(28) = -1 EBADF (Bad file descriptor) [pid 5191] close(29) = -1 EBADF (Bad file descriptor) [pid 5191] exit_group(0) = ? [pid 5191] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./184/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./184/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./184/cgroup.cpu") = 0 [pid 5005] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./184/binderfs") = 0 [pid 5005] umount2("./184/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./184/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./184/cgroup") = 0 [pid 5005] umount2("./184/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./184/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./184/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./184") = 0 [pid 5005] mkdir("./185", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5192 attached [pid 5192] chdir("./185") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 187 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5192] setpgid(0, 0) = 0 [pid 5192] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5192] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5192] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5192] write(3, "1000", 4) = 4 [pid 5192] close(3) = 0 [pid 5192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5192] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5192] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5192] openat(3, "freezer.state", O_RDWR) = 4 [pid 5192] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5192] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5192] close(3) = 0 [pid 5192] close(4) = 0 [pid 5192] close(5) = -1 EBADF (Bad file descriptor) [pid 5192] close(6) = -1 EBADF (Bad file descriptor) [pid 5192] close(7) = -1 EBADF (Bad file descriptor) [pid 5192] close(8) = -1 EBADF (Bad file descriptor) [pid 5192] close(9) = -1 EBADF (Bad file descriptor) [pid 5192] close(10) = -1 EBADF (Bad file descriptor) [pid 5192] close(11) = -1 EBADF (Bad file descriptor) [pid 5192] close(12) = -1 EBADF (Bad file descriptor) [pid 5192] close(13) = -1 EBADF (Bad file descriptor) [pid 5192] close(14) = -1 EBADF (Bad file descriptor) [pid 5192] close(15) = -1 EBADF (Bad file descriptor) [pid 5192] close(16) = -1 EBADF (Bad file descriptor) [pid 5192] close(17) = -1 EBADF (Bad file descriptor) [pid 5192] close(18) = -1 EBADF (Bad file descriptor) [pid 5192] close(19) = -1 EBADF (Bad file descriptor) [pid 5192] close(20) = -1 EBADF (Bad file descriptor) [pid 5192] close(21) = -1 EBADF (Bad file descriptor) [pid 5192] close(22) = -1 EBADF (Bad file descriptor) [pid 5192] close(23) = -1 EBADF (Bad file descriptor) [pid 5192] close(24) = -1 EBADF (Bad file descriptor) [pid 5192] close(25) = -1 EBADF (Bad file descriptor) [pid 5192] close(26) = -1 EBADF (Bad file descriptor) [pid 5192] close(27) = -1 EBADF (Bad file descriptor) [pid 5192] close(28) = -1 EBADF (Bad file descriptor) [pid 5192] close(29) = -1 EBADF (Bad file descriptor) [pid 5192] exit_group(0) = ? [pid 5192] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./185/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./185/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./185/cgroup.cpu") = 0 [pid 5005] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./185/binderfs") = 0 [pid 5005] umount2("./185/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./185/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./185/cgroup") = 0 [pid 5005] umount2("./185/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./185/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./185/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./185") = 0 [pid 5005] mkdir("./186", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5193 attached [pid 5193] chdir("./186") = 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 188 [pid 5193] <... prctl resumed>) = 0 [pid 5193] setpgid(0, 0) = 0 [pid 5193] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5193] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5193] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5193] write(3, "1000", 4) = 4 [pid 5193] close(3) = 0 [pid 5193] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5193] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5193] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5193] openat(3, "freezer.state", O_RDWR) = 4 [pid 5193] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5193] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5193] close(3) = 0 [pid 5193] close(4) = 0 [pid 5193] close(5) = -1 EBADF (Bad file descriptor) [pid 5193] close(6) = -1 EBADF (Bad file descriptor) [pid 5193] close(7) = -1 EBADF (Bad file descriptor) [pid 5193] close(8) = -1 EBADF (Bad file descriptor) [pid 5193] close(9) = -1 EBADF (Bad file descriptor) [pid 5193] close(10) = -1 EBADF (Bad file descriptor) [pid 5193] close(11) = -1 EBADF (Bad file descriptor) [pid 5193] close(12) = -1 EBADF (Bad file descriptor) [pid 5193] close(13) = -1 EBADF (Bad file descriptor) [pid 5193] close(14) = -1 EBADF (Bad file descriptor) [pid 5193] close(15) = -1 EBADF (Bad file descriptor) [pid 5193] close(16) = -1 EBADF (Bad file descriptor) [pid 5193] close(17) = -1 EBADF (Bad file descriptor) [pid 5193] close(18) = -1 EBADF (Bad file descriptor) [pid 5193] close(19) = -1 EBADF (Bad file descriptor) [pid 5193] close(20) = -1 EBADF (Bad file descriptor) [pid 5193] close(21) = -1 EBADF (Bad file descriptor) [pid 5193] close(22) = -1 EBADF (Bad file descriptor) [pid 5193] close(23) = -1 EBADF (Bad file descriptor) [pid 5193] close(24) = -1 EBADF (Bad file descriptor) [pid 5193] close(25) = -1 EBADF (Bad file descriptor) [pid 5193] close(26) = -1 EBADF (Bad file descriptor) [pid 5193] close(27) = -1 EBADF (Bad file descriptor) [pid 5193] close(28) = -1 EBADF (Bad file descriptor) [pid 5193] close(29) = -1 EBADF (Bad file descriptor) [pid 5193] exit_group(0) = ? [pid 5193] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./186/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./186/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./186/cgroup.cpu") = 0 [pid 5005] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./186/binderfs") = 0 [pid 5005] umount2("./186/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./186/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./186/cgroup") = 0 [pid 5005] umount2("./186/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./186/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./186/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./186") = 0 [pid 5005] mkdir("./187", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5194 attached [pid 5194] chdir("./187") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 189 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5194] setpgid(0, 0) = 0 [pid 5194] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5194] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5194] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5194] write(3, "1000", 4) = 4 [pid 5194] close(3) = 0 [pid 5194] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5194] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5194] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5194] openat(3, "freezer.state", O_RDWR) = 4 [pid 5194] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5194] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5194] close(3) = 0 [pid 5194] close(4) = 0 [pid 5194] close(5) = -1 EBADF (Bad file descriptor) [pid 5194] close(6) = -1 EBADF (Bad file descriptor) [pid 5194] close(7) = -1 EBADF (Bad file descriptor) [pid 5194] close(8) = -1 EBADF (Bad file descriptor) [pid 5194] close(9) = -1 EBADF (Bad file descriptor) [pid 5194] close(10) = -1 EBADF (Bad file descriptor) [pid 5194] close(11) = -1 EBADF (Bad file descriptor) [pid 5194] close(12) = -1 EBADF (Bad file descriptor) [pid 5194] close(13) = -1 EBADF (Bad file descriptor) [pid 5194] close(14) = -1 EBADF (Bad file descriptor) [pid 5194] close(15) = -1 EBADF (Bad file descriptor) [pid 5194] close(16) = -1 EBADF (Bad file descriptor) [pid 5194] close(17) = -1 EBADF (Bad file descriptor) [pid 5194] close(18) = -1 EBADF (Bad file descriptor) [pid 5194] close(19) = -1 EBADF (Bad file descriptor) [pid 5194] close(20) = -1 EBADF (Bad file descriptor) [pid 5194] close(21) = -1 EBADF (Bad file descriptor) [pid 5194] close(22) = -1 EBADF (Bad file descriptor) [pid 5194] close(23) = -1 EBADF (Bad file descriptor) [pid 5194] close(24) = -1 EBADF (Bad file descriptor) [pid 5194] close(25) = -1 EBADF (Bad file descriptor) [pid 5194] close(26) = -1 EBADF (Bad file descriptor) [pid 5194] close(27) = -1 EBADF (Bad file descriptor) [pid 5194] close(28) = -1 EBADF (Bad file descriptor) [pid 5194] close(29) = -1 EBADF (Bad file descriptor) [pid 5194] exit_group(0) = ? [pid 5194] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./187/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./187/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./187/cgroup.cpu") = 0 [pid 5005] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./187/binderfs") = 0 [pid 5005] umount2("./187/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./187/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./187/cgroup") = 0 [pid 5005] umount2("./187/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./187/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./187/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./187") = 0 [pid 5005] mkdir("./188", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 190 ./strace-static-x86_64: Process 5195 attached [pid 5195] chdir("./188") = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5195] setpgid(0, 0) = 0 [pid 5195] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5195] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5195] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5195] write(3, "1000", 4) = 4 [pid 5195] close(3) = 0 [pid 5195] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5195] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5195] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5195] openat(3, "freezer.state", O_RDWR) = 4 [pid 5195] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5195] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5195] close(3) = 0 [pid 5195] close(4) = 0 [pid 5195] close(5) = -1 EBADF (Bad file descriptor) [pid 5195] close(6) = -1 EBADF (Bad file descriptor) [pid 5195] close(7) = -1 EBADF (Bad file descriptor) [pid 5195] close(8) = -1 EBADF (Bad file descriptor) [pid 5195] close(9) = -1 EBADF (Bad file descriptor) [pid 5195] close(10) = -1 EBADF (Bad file descriptor) [pid 5195] close(11) = -1 EBADF (Bad file descriptor) [pid 5195] close(12) = -1 EBADF (Bad file descriptor) [pid 5195] close(13) = -1 EBADF (Bad file descriptor) [pid 5195] close(14) = -1 EBADF (Bad file descriptor) [pid 5195] close(15) = -1 EBADF (Bad file descriptor) [pid 5195] close(16) = -1 EBADF (Bad file descriptor) [pid 5195] close(17) = -1 EBADF (Bad file descriptor) [pid 5195] close(18) = -1 EBADF (Bad file descriptor) [pid 5195] close(19) = -1 EBADF (Bad file descriptor) [pid 5195] close(20) = -1 EBADF (Bad file descriptor) [pid 5195] close(21) = -1 EBADF (Bad file descriptor) [pid 5195] close(22) = -1 EBADF (Bad file descriptor) [pid 5195] close(23) = -1 EBADF (Bad file descriptor) [pid 5195] close(24) = -1 EBADF (Bad file descriptor) [pid 5195] close(25) = -1 EBADF (Bad file descriptor) [pid 5195] close(26) = -1 EBADF (Bad file descriptor) [pid 5195] close(27) = -1 EBADF (Bad file descriptor) [pid 5195] close(28) = -1 EBADF (Bad file descriptor) [pid 5195] close(29) = -1 EBADF (Bad file descriptor) [pid 5195] exit_group(0) = ? [pid 5195] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./188/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./188/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./188/cgroup.cpu") = 0 [pid 5005] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./188/binderfs") = 0 [pid 5005] umount2("./188/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./188/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./188/cgroup") = 0 [pid 5005] umount2("./188/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./188/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./188/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./188") = 0 [pid 5005] mkdir("./189", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5196 attached [pid 5196] chdir("./189") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 191 [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5196] setpgid(0, 0) = 0 [pid 5196] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5196] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5196] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5196] write(3, "1000", 4) = 4 [pid 5196] close(3) = 0 [pid 5196] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5196] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5196] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5196] openat(3, "freezer.state", O_RDWR) = 4 [pid 5196] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5196] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5196] close(3) = 0 [pid 5196] close(4) = 0 [pid 5196] close(5) = -1 EBADF (Bad file descriptor) [pid 5196] close(6) = -1 EBADF (Bad file descriptor) [pid 5196] close(7) = -1 EBADF (Bad file descriptor) [pid 5196] close(8) = -1 EBADF (Bad file descriptor) [pid 5196] close(9) = -1 EBADF (Bad file descriptor) [pid 5196] close(10) = -1 EBADF (Bad file descriptor) [pid 5196] close(11) = -1 EBADF (Bad file descriptor) [pid 5196] close(12) = -1 EBADF (Bad file descriptor) [pid 5196] close(13) = -1 EBADF (Bad file descriptor) [pid 5196] close(14) = -1 EBADF (Bad file descriptor) [pid 5196] close(15) = -1 EBADF (Bad file descriptor) [pid 5196] close(16) = -1 EBADF (Bad file descriptor) [pid 5196] close(17) = -1 EBADF (Bad file descriptor) [pid 5196] close(18) = -1 EBADF (Bad file descriptor) [pid 5196] close(19) = -1 EBADF (Bad file descriptor) [pid 5196] close(20) = -1 EBADF (Bad file descriptor) [pid 5196] close(21) = -1 EBADF (Bad file descriptor) [pid 5196] close(22) = -1 EBADF (Bad file descriptor) [pid 5196] close(23) = -1 EBADF (Bad file descriptor) [pid 5196] close(24) = -1 EBADF (Bad file descriptor) [pid 5196] close(25) = -1 EBADF (Bad file descriptor) [pid 5196] close(26) = -1 EBADF (Bad file descriptor) [pid 5196] close(27) = -1 EBADF (Bad file descriptor) [pid 5196] close(28) = -1 EBADF (Bad file descriptor) [pid 5196] close(29) = -1 EBADF (Bad file descriptor) [pid 5196] exit_group(0) = ? [pid 5196] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./189/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./189/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./189/cgroup.cpu") = 0 [pid 5005] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./189/binderfs") = 0 [pid 5005] umount2("./189/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./189/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./189/cgroup") = 0 [pid 5005] umount2("./189/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./189/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./189/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./189") = 0 [pid 5005] mkdir("./190", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5197 attached , child_tidptr=0x5555570a35d0) = 192 [pid 5197] chdir("./190") = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5197] setpgid(0, 0) = 0 [pid 5197] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5197] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5197] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5197] write(3, "1000", 4) = 4 [pid 5197] close(3) = 0 [pid 5197] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5197] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5197] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5197] openat(3, "freezer.state", O_RDWR) = 4 [pid 5197] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5197] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5197] close(3) = 0 [pid 5197] close(4) = 0 [pid 5197] close(5) = -1 EBADF (Bad file descriptor) [pid 5197] close(6) = -1 EBADF (Bad file descriptor) [pid 5197] close(7) = -1 EBADF (Bad file descriptor) [pid 5197] close(8) = -1 EBADF (Bad file descriptor) [pid 5197] close(9) = -1 EBADF (Bad file descriptor) [pid 5197] close(10) = -1 EBADF (Bad file descriptor) [pid 5197] close(11) = -1 EBADF (Bad file descriptor) [pid 5197] close(12) = -1 EBADF (Bad file descriptor) [pid 5197] close(13) = -1 EBADF (Bad file descriptor) [pid 5197] close(14) = -1 EBADF (Bad file descriptor) [pid 5197] close(15) = -1 EBADF (Bad file descriptor) [pid 5197] close(16) = -1 EBADF (Bad file descriptor) [pid 5197] close(17) = -1 EBADF (Bad file descriptor) [pid 5197] close(18) = -1 EBADF (Bad file descriptor) [pid 5197] close(19) = -1 EBADF (Bad file descriptor) [pid 5197] close(20) = -1 EBADF (Bad file descriptor) [pid 5197] close(21) = -1 EBADF (Bad file descriptor) [pid 5197] close(22) = -1 EBADF (Bad file descriptor) [pid 5197] close(23) = -1 EBADF (Bad file descriptor) [pid 5197] close(24) = -1 EBADF (Bad file descriptor) [pid 5197] close(25) = -1 EBADF (Bad file descriptor) [pid 5197] close(26) = -1 EBADF (Bad file descriptor) [pid 5197] close(27) = -1 EBADF (Bad file descriptor) [pid 5197] close(28) = -1 EBADF (Bad file descriptor) [pid 5197] close(29) = -1 EBADF (Bad file descriptor) [pid 5197] exit_group(0) = ? [pid 5197] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./190/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./190/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./190/cgroup.cpu") = 0 [pid 5005] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./190/binderfs") = 0 [pid 5005] umount2("./190/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./190/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./190/cgroup") = 0 [pid 5005] umount2("./190/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./190/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./190/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./190") = 0 [pid 5005] mkdir("./191", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5198 attached [pid 5198] chdir("./191") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 193 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5198] setpgid(0, 0) = 0 [pid 5198] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5198] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5198] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5198] write(3, "1000", 4) = 4 [pid 5198] close(3) = 0 [pid 5198] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5198] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5198] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5198] openat(3, "freezer.state", O_RDWR) = 4 [pid 5198] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5198] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5198] close(3) = 0 [pid 5198] close(4) = 0 [pid 5198] close(5) = -1 EBADF (Bad file descriptor) [pid 5198] close(6) = -1 EBADF (Bad file descriptor) [pid 5198] close(7) = -1 EBADF (Bad file descriptor) [pid 5198] close(8) = -1 EBADF (Bad file descriptor) [pid 5198] close(9) = -1 EBADF (Bad file descriptor) [pid 5198] close(10) = -1 EBADF (Bad file descriptor) [pid 5198] close(11) = -1 EBADF (Bad file descriptor) [pid 5198] close(12) = -1 EBADF (Bad file descriptor) [pid 5198] close(13) = -1 EBADF (Bad file descriptor) [pid 5198] close(14) = -1 EBADF (Bad file descriptor) [pid 5198] close(15) = -1 EBADF (Bad file descriptor) [pid 5198] close(16) = -1 EBADF (Bad file descriptor) [pid 5198] close(17) = -1 EBADF (Bad file descriptor) [pid 5198] close(18) = -1 EBADF (Bad file descriptor) [pid 5198] close(19) = -1 EBADF (Bad file descriptor) [pid 5198] close(20) = -1 EBADF (Bad file descriptor) [pid 5198] close(21) = -1 EBADF (Bad file descriptor) [pid 5198] close(22) = -1 EBADF (Bad file descriptor) [pid 5198] close(23) = -1 EBADF (Bad file descriptor) [pid 5198] close(24) = -1 EBADF (Bad file descriptor) [pid 5198] close(25) = -1 EBADF (Bad file descriptor) [pid 5198] close(26) = -1 EBADF (Bad file descriptor) [pid 5198] close(27) = -1 EBADF (Bad file descriptor) [pid 5198] close(28) = -1 EBADF (Bad file descriptor) [pid 5198] close(29) = -1 EBADF (Bad file descriptor) [pid 5198] exit_group(0) = ? [pid 5198] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./191/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./191/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./191/cgroup.cpu") = 0 [pid 5005] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./191/binderfs") = 0 [pid 5005] umount2("./191/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./191/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./191/cgroup") = 0 [pid 5005] umount2("./191/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./191/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./191/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./191") = 0 [pid 5005] mkdir("./192", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5199 attached [pid 5199] chdir("./192") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 194 [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5199] setpgid(0, 0) = 0 [pid 5199] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5199] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5199] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5199] write(3, "1000", 4) = 4 [pid 5199] close(3) = 0 [pid 5199] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5199] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5199] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5199] openat(3, "freezer.state", O_RDWR) = 4 [pid 5199] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5199] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5199] close(3) = 0 [pid 5199] close(4) = 0 [pid 5199] close(5) = -1 EBADF (Bad file descriptor) [pid 5199] close(6) = -1 EBADF (Bad file descriptor) [pid 5199] close(7) = -1 EBADF (Bad file descriptor) [pid 5199] close(8) = -1 EBADF (Bad file descriptor) [pid 5199] close(9) = -1 EBADF (Bad file descriptor) [pid 5199] close(10) = -1 EBADF (Bad file descriptor) [pid 5199] close(11) = -1 EBADF (Bad file descriptor) [pid 5199] close(12) = -1 EBADF (Bad file descriptor) [pid 5199] close(13) = -1 EBADF (Bad file descriptor) [pid 5199] close(14) = -1 EBADF (Bad file descriptor) [pid 5199] close(15) = -1 EBADF (Bad file descriptor) [pid 5199] close(16) = -1 EBADF (Bad file descriptor) [pid 5199] close(17) = -1 EBADF (Bad file descriptor) [pid 5199] close(18) = -1 EBADF (Bad file descriptor) [pid 5199] close(19) = -1 EBADF (Bad file descriptor) [pid 5199] close(20) = -1 EBADF (Bad file descriptor) [pid 5199] close(21) = -1 EBADF (Bad file descriptor) [pid 5199] close(22) = -1 EBADF (Bad file descriptor) [pid 5199] close(23) = -1 EBADF (Bad file descriptor) [pid 5199] close(24) = -1 EBADF (Bad file descriptor) [pid 5199] close(25) = -1 EBADF (Bad file descriptor) [pid 5199] close(26) = -1 EBADF (Bad file descriptor) [pid 5199] close(27) = -1 EBADF (Bad file descriptor) [pid 5199] close(28) = -1 EBADF (Bad file descriptor) [pid 5199] close(29) = -1 EBADF (Bad file descriptor) [pid 5199] exit_group(0) = ? [pid 5199] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./192/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./192/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./192/cgroup.cpu") = 0 [pid 5005] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./192/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./192/binderfs") = 0 [pid 5005] umount2("./192/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./192/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./192/cgroup") = 0 [pid 5005] umount2("./192/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./192/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./192/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./192") = 0 [pid 5005] mkdir("./193", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5200 attached [pid 5200] chdir("./193") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 195 [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5200] setpgid(0, 0) = 0 [pid 5200] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5200] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5200] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5200] write(3, "1000", 4) = 4 [pid 5200] close(3) = 0 [pid 5200] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5200] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5200] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5200] openat(3, "freezer.state", O_RDWR) = 4 [pid 5200] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5200] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5200] close(3) = 0 [pid 5200] close(4) = 0 [pid 5200] close(5) = -1 EBADF (Bad file descriptor) [pid 5200] close(6) = -1 EBADF (Bad file descriptor) [pid 5200] close(7) = -1 EBADF (Bad file descriptor) [pid 5200] close(8) = -1 EBADF (Bad file descriptor) [pid 5200] close(9) = -1 EBADF (Bad file descriptor) [pid 5200] close(10) = -1 EBADF (Bad file descriptor) [pid 5200] close(11) = -1 EBADF (Bad file descriptor) [pid 5200] close(12) = -1 EBADF (Bad file descriptor) [pid 5200] close(13) = -1 EBADF (Bad file descriptor) [pid 5200] close(14) = -1 EBADF (Bad file descriptor) [pid 5200] close(15) = -1 EBADF (Bad file descriptor) [pid 5200] close(16) = -1 EBADF (Bad file descriptor) [pid 5200] close(17) = -1 EBADF (Bad file descriptor) [pid 5200] close(18) = -1 EBADF (Bad file descriptor) [pid 5200] close(19) = -1 EBADF (Bad file descriptor) [pid 5200] close(20) = -1 EBADF (Bad file descriptor) [pid 5200] close(21) = -1 EBADF (Bad file descriptor) [pid 5200] close(22) = -1 EBADF (Bad file descriptor) [pid 5200] close(23) = -1 EBADF (Bad file descriptor) [pid 5200] close(24) = -1 EBADF (Bad file descriptor) [pid 5200] close(25) = -1 EBADF (Bad file descriptor) [pid 5200] close(26) = -1 EBADF (Bad file descriptor) [pid 5200] close(27) = -1 EBADF (Bad file descriptor) [pid 5200] close(28) = -1 EBADF (Bad file descriptor) [pid 5200] close(29) = -1 EBADF (Bad file descriptor) [pid 5200] exit_group(0) = ? [pid 5200] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./193/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./193/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./193/cgroup.cpu") = 0 [pid 5005] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./193/binderfs") = 0 [pid 5005] umount2("./193/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./193/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./193/cgroup") = 0 [pid 5005] umount2("./193/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./193/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./193/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./193") = 0 [pid 5005] mkdir("./194", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5201 attached , child_tidptr=0x5555570a35d0) = 196 [pid 5201] chdir("./194") = 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5201] setpgid(0, 0) = 0 [pid 5201] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5201] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5201] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5201] write(3, "1000", 4) = 4 [pid 5201] close(3) = 0 [pid 5201] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5201] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5201] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5201] openat(3, "freezer.state", O_RDWR) = 4 [pid 5201] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5201] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5201] close(3) = 0 [pid 5201] close(4) = 0 [pid 5201] close(5) = -1 EBADF (Bad file descriptor) [pid 5201] close(6) = -1 EBADF (Bad file descriptor) [pid 5201] close(7) = -1 EBADF (Bad file descriptor) [pid 5201] close(8) = -1 EBADF (Bad file descriptor) [pid 5201] close(9) = -1 EBADF (Bad file descriptor) [pid 5201] close(10) = -1 EBADF (Bad file descriptor) [pid 5201] close(11) = -1 EBADF (Bad file descriptor) [pid 5201] close(12) = -1 EBADF (Bad file descriptor) [pid 5201] close(13) = -1 EBADF (Bad file descriptor) [pid 5201] close(14) = -1 EBADF (Bad file descriptor) [pid 5201] close(15) = -1 EBADF (Bad file descriptor) [pid 5201] close(16) = -1 EBADF (Bad file descriptor) [pid 5201] close(17) = -1 EBADF (Bad file descriptor) [pid 5201] close(18) = -1 EBADF (Bad file descriptor) [pid 5201] close(19) = -1 EBADF (Bad file descriptor) [pid 5201] close(20) = -1 EBADF (Bad file descriptor) [pid 5201] close(21) = -1 EBADF (Bad file descriptor) [pid 5201] close(22) = -1 EBADF (Bad file descriptor) [pid 5201] close(23) = -1 EBADF (Bad file descriptor) [pid 5201] close(24) = -1 EBADF (Bad file descriptor) [pid 5201] close(25) = -1 EBADF (Bad file descriptor) [pid 5201] close(26) = -1 EBADF (Bad file descriptor) [pid 5201] close(27) = -1 EBADF (Bad file descriptor) [pid 5201] close(28) = -1 EBADF (Bad file descriptor) [pid 5201] close(29) = -1 EBADF (Bad file descriptor) [pid 5201] exit_group(0) = ? [pid 5201] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./194/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./194/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./194/cgroup.cpu") = 0 [pid 5005] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./194/binderfs") = 0 [pid 5005] umount2("./194/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./194/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./194/cgroup") = 0 [pid 5005] umount2("./194/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./194/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./194/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./194") = 0 [pid 5005] mkdir("./195", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5202 attached [pid 5202] chdir("./195") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 197 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5202] setpgid(0, 0) = 0 [pid 5202] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5202] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5202] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5202] write(3, "1000", 4) = 4 [pid 5202] close(3) = 0 [pid 5202] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5202] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5202] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5202] openat(3, "freezer.state", O_RDWR) = 4 [pid 5202] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5202] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5202] close(3) = 0 [pid 5202] close(4) = 0 [pid 5202] close(5) = -1 EBADF (Bad file descriptor) [pid 5202] close(6) = -1 EBADF (Bad file descriptor) [pid 5202] close(7) = -1 EBADF (Bad file descriptor) [pid 5202] close(8) = -1 EBADF (Bad file descriptor) [pid 5202] close(9) = -1 EBADF (Bad file descriptor) [pid 5202] close(10) = -1 EBADF (Bad file descriptor) [pid 5202] close(11) = -1 EBADF (Bad file descriptor) [pid 5202] close(12) = -1 EBADF (Bad file descriptor) [pid 5202] close(13) = -1 EBADF (Bad file descriptor) [pid 5202] close(14) = -1 EBADF (Bad file descriptor) [pid 5202] close(15) = -1 EBADF (Bad file descriptor) [pid 5202] close(16) = -1 EBADF (Bad file descriptor) [pid 5202] close(17) = -1 EBADF (Bad file descriptor) [pid 5202] close(18) = -1 EBADF (Bad file descriptor) [pid 5202] close(19) = -1 EBADF (Bad file descriptor) [pid 5202] close(20) = -1 EBADF (Bad file descriptor) [pid 5202] close(21) = -1 EBADF (Bad file descriptor) [pid 5202] close(22) = -1 EBADF (Bad file descriptor) [pid 5202] close(23) = -1 EBADF (Bad file descriptor) [pid 5202] close(24) = -1 EBADF (Bad file descriptor) [pid 5202] close(25) = -1 EBADF (Bad file descriptor) [pid 5202] close(26) = -1 EBADF (Bad file descriptor) [pid 5202] close(27) = -1 EBADF (Bad file descriptor) [pid 5202] close(28) = -1 EBADF (Bad file descriptor) [pid 5202] close(29) = -1 EBADF (Bad file descriptor) [pid 5202] exit_group(0) = ? [pid 5202] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./195/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./195/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./195/cgroup.cpu") = 0 [pid 5005] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./195/binderfs") = 0 [pid 5005] umount2("./195/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./195/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./195/cgroup") = 0 [pid 5005] umount2("./195/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./195/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./195/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./195") = 0 [pid 5005] mkdir("./196", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5203 attached [pid 5203] chdir("./196") = 0 [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5203] setpgid(0, 0) = 0 [pid 5203] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 198 [pid 5203] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5203] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5203] write(3, "1000", 4) = 4 [pid 5203] close(3) = 0 [pid 5203] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5203] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5203] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5203] openat(3, "freezer.state", O_RDWR) = 4 [pid 5203] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5203] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5203] close(3) = 0 [pid 5203] close(4) = 0 [pid 5203] close(5) = -1 EBADF (Bad file descriptor) [pid 5203] close(6) = -1 EBADF (Bad file descriptor) [pid 5203] close(7) = -1 EBADF (Bad file descriptor) [pid 5203] close(8) = -1 EBADF (Bad file descriptor) [pid 5203] close(9) = -1 EBADF (Bad file descriptor) [pid 5203] close(10) = -1 EBADF (Bad file descriptor) [pid 5203] close(11) = -1 EBADF (Bad file descriptor) [pid 5203] close(12) = -1 EBADF (Bad file descriptor) [pid 5203] close(13) = -1 EBADF (Bad file descriptor) [pid 5203] close(14) = -1 EBADF (Bad file descriptor) [pid 5203] close(15) = -1 EBADF (Bad file descriptor) [pid 5203] close(16) = -1 EBADF (Bad file descriptor) [pid 5203] close(17) = -1 EBADF (Bad file descriptor) [pid 5203] close(18) = -1 EBADF (Bad file descriptor) [pid 5203] close(19) = -1 EBADF (Bad file descriptor) [pid 5203] close(20) = -1 EBADF (Bad file descriptor) [pid 5203] close(21) = -1 EBADF (Bad file descriptor) [pid 5203] close(22) = -1 EBADF (Bad file descriptor) [pid 5203] close(23) = -1 EBADF (Bad file descriptor) [pid 5203] close(24) = -1 EBADF (Bad file descriptor) [pid 5203] close(25) = -1 EBADF (Bad file descriptor) [pid 5203] close(26) = -1 EBADF (Bad file descriptor) [pid 5203] close(27) = -1 EBADF (Bad file descriptor) [pid 5203] close(28) = -1 EBADF (Bad file descriptor) [pid 5203] close(29) = -1 EBADF (Bad file descriptor) [pid 5203] exit_group(0) = ? [pid 5203] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./196/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./196/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./196/cgroup.cpu") = 0 [pid 5005] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./196/binderfs") = 0 [pid 5005] umount2("./196/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./196/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./196/cgroup") = 0 [pid 5005] umount2("./196/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./196/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./196/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./196") = 0 [pid 5005] mkdir("./197", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570a35d0) = 199 ./strace-static-x86_64: Process 5204 attached [pid 5204] chdir("./197") = 0 [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5204] setpgid(0, 0) = 0 [pid 5204] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5204] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5204] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5204] write(3, "1000", 4) = 4 [pid 5204] close(3) = 0 [pid 5204] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5204] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5204] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5204] openat(3, "freezer.state", O_RDWR) = 4 [pid 5204] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5204] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5204] close(3) = 0 [pid 5204] close(4) = 0 [pid 5204] close(5) = -1 EBADF (Bad file descriptor) [pid 5204] close(6) = -1 EBADF (Bad file descriptor) [pid 5204] close(7) = -1 EBADF (Bad file descriptor) [pid 5204] close(8) = -1 EBADF (Bad file descriptor) [pid 5204] close(9) = -1 EBADF (Bad file descriptor) [pid 5204] close(10) = -1 EBADF (Bad file descriptor) [pid 5204] close(11) = -1 EBADF (Bad file descriptor) [pid 5204] close(12) = -1 EBADF (Bad file descriptor) [pid 5204] close(13) = -1 EBADF (Bad file descriptor) [pid 5204] close(14) = -1 EBADF (Bad file descriptor) [pid 5204] close(15) = -1 EBADF (Bad file descriptor) [pid 5204] close(16) = -1 EBADF (Bad file descriptor) [pid 5204] close(17) = -1 EBADF (Bad file descriptor) [pid 5204] close(18) = -1 EBADF (Bad file descriptor) [pid 5204] close(19) = -1 EBADF (Bad file descriptor) [pid 5204] close(20) = -1 EBADF (Bad file descriptor) [pid 5204] close(21) = -1 EBADF (Bad file descriptor) [pid 5204] close(22) = -1 EBADF (Bad file descriptor) [pid 5204] close(23) = -1 EBADF (Bad file descriptor) [pid 5204] close(24) = -1 EBADF (Bad file descriptor) [pid 5204] close(25) = -1 EBADF (Bad file descriptor) [pid 5204] close(26) = -1 EBADF (Bad file descriptor) [pid 5204] close(27) = -1 EBADF (Bad file descriptor) [pid 5204] close(28) = -1 EBADF (Bad file descriptor) [pid 5204] close(29) = -1 EBADF (Bad file descriptor) [pid 5204] exit_group(0) = ? [pid 5204] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./197/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./197/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./197/cgroup.cpu") = 0 [pid 5005] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./197/binderfs") = 0 [pid 5005] umount2("./197/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./197/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./197/cgroup") = 0 [pid 5005] umount2("./197/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./197/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./197/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./197") = 0 [pid 5005] mkdir("./198", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5205 attached [pid 5205] chdir("./198") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 200 [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5205] setpgid(0, 0) = 0 [pid 5205] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5205] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5205] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5205] write(3, "1000", 4) = 4 [pid 5205] close(3) = 0 [pid 5205] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5205] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5205] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5205] openat(3, "freezer.state", O_RDWR) = 4 [pid 5205] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5205] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5205] close(3) = 0 [pid 5205] close(4) = 0 [pid 5205] close(5) = -1 EBADF (Bad file descriptor) [pid 5205] close(6) = -1 EBADF (Bad file descriptor) [pid 5205] close(7) = -1 EBADF (Bad file descriptor) [pid 5205] close(8) = -1 EBADF (Bad file descriptor) [pid 5205] close(9) = -1 EBADF (Bad file descriptor) [pid 5205] close(10) = -1 EBADF (Bad file descriptor) [pid 5205] close(11) = -1 EBADF (Bad file descriptor) [pid 5205] close(12) = -1 EBADF (Bad file descriptor) [pid 5205] close(13) = -1 EBADF (Bad file descriptor) [pid 5205] close(14) = -1 EBADF (Bad file descriptor) [pid 5205] close(15) = -1 EBADF (Bad file descriptor) [pid 5205] close(16) = -1 EBADF (Bad file descriptor) [pid 5205] close(17) = -1 EBADF (Bad file descriptor) [pid 5205] close(18) = -1 EBADF (Bad file descriptor) [pid 5205] close(19) = -1 EBADF (Bad file descriptor) [pid 5205] close(20) = -1 EBADF (Bad file descriptor) [pid 5205] close(21) = -1 EBADF (Bad file descriptor) [pid 5205] close(22) = -1 EBADF (Bad file descriptor) [pid 5205] close(23) = -1 EBADF (Bad file descriptor) [pid 5205] close(24) = -1 EBADF (Bad file descriptor) [pid 5205] close(25) = -1 EBADF (Bad file descriptor) [pid 5205] close(26) = -1 EBADF (Bad file descriptor) [pid 5205] close(27) = -1 EBADF (Bad file descriptor) [pid 5205] close(28) = -1 EBADF (Bad file descriptor) [pid 5205] close(29) = -1 EBADF (Bad file descriptor) [pid 5205] exit_group(0) = ? [pid 5205] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./198/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./198/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./198/cgroup.cpu") = 0 [pid 5005] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./198/binderfs") = 0 [pid 5005] umount2("./198/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./198/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./198/cgroup") = 0 [pid 5005] umount2("./198/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./198/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./198/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./198") = 0 [pid 5005] mkdir("./199", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5206 attached [pid 5206] chdir("./199") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 201 [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5206] setpgid(0, 0) = 0 [pid 5206] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5206] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5206] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5206] write(3, "1000", 4) = 4 [pid 5206] close(3) = 0 [pid 5206] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5206] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5206] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5206] openat(3, "freezer.state", O_RDWR) = 4 [pid 5206] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5206] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5206] close(3) = 0 [pid 5206] close(4) = 0 [pid 5206] close(5) = -1 EBADF (Bad file descriptor) [pid 5206] close(6) = -1 EBADF (Bad file descriptor) [pid 5206] close(7) = -1 EBADF (Bad file descriptor) [pid 5206] close(8) = -1 EBADF (Bad file descriptor) [pid 5206] close(9) = -1 EBADF (Bad file descriptor) [pid 5206] close(10) = -1 EBADF (Bad file descriptor) [pid 5206] close(11) = -1 EBADF (Bad file descriptor) [pid 5206] close(12) = -1 EBADF (Bad file descriptor) [pid 5206] close(13) = -1 EBADF (Bad file descriptor) [pid 5206] close(14) = -1 EBADF (Bad file descriptor) [pid 5206] close(15) = -1 EBADF (Bad file descriptor) [pid 5206] close(16) = -1 EBADF (Bad file descriptor) [pid 5206] close(17) = -1 EBADF (Bad file descriptor) [pid 5206] close(18) = -1 EBADF (Bad file descriptor) [pid 5206] close(19) = -1 EBADF (Bad file descriptor) [pid 5206] close(20) = -1 EBADF (Bad file descriptor) [pid 5206] close(21) = -1 EBADF (Bad file descriptor) [pid 5206] close(22) = -1 EBADF (Bad file descriptor) [pid 5206] close(23) = -1 EBADF (Bad file descriptor) [pid 5206] close(24) = -1 EBADF (Bad file descriptor) [pid 5206] close(25) = -1 EBADF (Bad file descriptor) [pid 5206] close(26) = -1 EBADF (Bad file descriptor) [pid 5206] close(27) = -1 EBADF (Bad file descriptor) [pid 5206] close(28) = -1 EBADF (Bad file descriptor) [pid 5206] close(29) = -1 EBADF (Bad file descriptor) [pid 5206] exit_group(0) = ? [pid 5206] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./199/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./199/cgroup.cpu") = 0 [pid 5005] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./199/binderfs") = 0 [pid 5005] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./199/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./199/cgroup") = 0 [pid 5005] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./199/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./199/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./199") = 0 [pid 5005] mkdir("./200", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5207 attached [pid 5207] chdir("./200") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 202 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5207] setpgid(0, 0) = 0 [pid 5207] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5207] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5207] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5207] write(3, "1000", 4) = 4 [pid 5207] close(3) = 0 [pid 5207] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5207] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5207] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5207] openat(3, "freezer.state", O_RDWR) = 4 [pid 5207] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5207] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5207] close(3) = 0 [pid 5207] close(4) = 0 [pid 5207] close(5) = -1 EBADF (Bad file descriptor) [pid 5207] close(6) = -1 EBADF (Bad file descriptor) [pid 5207] close(7) = -1 EBADF (Bad file descriptor) [pid 5207] close(8) = -1 EBADF (Bad file descriptor) [pid 5207] close(9) = -1 EBADF (Bad file descriptor) [pid 5207] close(10) = -1 EBADF (Bad file descriptor) [pid 5207] close(11) = -1 EBADF (Bad file descriptor) [pid 5207] close(12) = -1 EBADF (Bad file descriptor) [pid 5207] close(13) = -1 EBADF (Bad file descriptor) [pid 5207] close(14) = -1 EBADF (Bad file descriptor) [pid 5207] close(15) = -1 EBADF (Bad file descriptor) [pid 5207] close(16) = -1 EBADF (Bad file descriptor) [pid 5207] close(17) = -1 EBADF (Bad file descriptor) [pid 5207] close(18) = -1 EBADF (Bad file descriptor) [pid 5207] close(19) = -1 EBADF (Bad file descriptor) [pid 5207] close(20) = -1 EBADF (Bad file descriptor) [pid 5207] close(21) = -1 EBADF (Bad file descriptor) [pid 5207] close(22) = -1 EBADF (Bad file descriptor) [pid 5207] close(23) = -1 EBADF (Bad file descriptor) [pid 5207] close(24) = -1 EBADF (Bad file descriptor) [pid 5207] close(25) = -1 EBADF (Bad file descriptor) [pid 5207] close(26) = -1 EBADF (Bad file descriptor) [pid 5207] close(27) = -1 EBADF (Bad file descriptor) [pid 5207] close(28) = -1 EBADF (Bad file descriptor) [pid 5207] close(29) = -1 EBADF (Bad file descriptor) [pid 5207] exit_group(0) = ? [pid 5207] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./200/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./200/cgroup.cpu") = 0 [pid 5005] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./200/binderfs") = 0 [pid 5005] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./200/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./200/cgroup") = 0 [pid 5005] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./200/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./200/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./200") = 0 [pid 5005] mkdir("./201", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5208 attached [pid 5208] chdir("./201") = 0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5208] setpgid(0, 0) = 0 [pid 5208] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 203 [pid 5208] <... symlink resumed>) = 0 [pid 5208] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5208] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5208] write(3, "1000", 4) = 4 [pid 5208] close(3) = 0 [pid 5208] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5208] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5208] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5208] openat(3, "freezer.state", O_RDWR) = 4 [pid 5208] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5208] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5208] close(3) = 0 [pid 5208] close(4) = 0 [pid 5208] close(5) = -1 EBADF (Bad file descriptor) [pid 5208] close(6) = -1 EBADF (Bad file descriptor) [pid 5208] close(7) = -1 EBADF (Bad file descriptor) [pid 5208] close(8) = -1 EBADF (Bad file descriptor) [pid 5208] close(9) = -1 EBADF (Bad file descriptor) [pid 5208] close(10) = -1 EBADF (Bad file descriptor) [pid 5208] close(11) = -1 EBADF (Bad file descriptor) [pid 5208] close(12) = -1 EBADF (Bad file descriptor) [pid 5208] close(13) = -1 EBADF (Bad file descriptor) [pid 5208] close(14) = -1 EBADF (Bad file descriptor) [pid 5208] close(15) = -1 EBADF (Bad file descriptor) [pid 5208] close(16) = -1 EBADF (Bad file descriptor) [pid 5208] close(17) = -1 EBADF (Bad file descriptor) [pid 5208] close(18) = -1 EBADF (Bad file descriptor) [pid 5208] close(19) = -1 EBADF (Bad file descriptor) [pid 5208] close(20) = -1 EBADF (Bad file descriptor) [pid 5208] close(21) = -1 EBADF (Bad file descriptor) [pid 5208] close(22) = -1 EBADF (Bad file descriptor) [pid 5208] close(23) = -1 EBADF (Bad file descriptor) [pid 5208] close(24) = -1 EBADF (Bad file descriptor) [pid 5208] close(25) = -1 EBADF (Bad file descriptor) [pid 5208] close(26) = -1 EBADF (Bad file descriptor) [pid 5208] close(27) = -1 EBADF (Bad file descriptor) [pid 5208] close(28) = -1 EBADF (Bad file descriptor) [pid 5208] close(29) = -1 EBADF (Bad file descriptor) [pid 5208] exit_group(0) = ? [pid 5208] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./201/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./201/cgroup.cpu") = 0 [pid 5005] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./201/binderfs") = 0 [pid 5005] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./201/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./201/cgroup") = 0 [pid 5005] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./201/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./201/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./201") = 0 [pid 5005] mkdir("./202", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5209 attached [pid 5209] chdir("./202") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 204 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5209] setpgid(0, 0) = 0 [pid 5209] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5209] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5209] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5209] write(3, "1000", 4) = 4 [pid 5209] close(3) = 0 [pid 5209] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5209] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5209] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5209] openat(3, "freezer.state", O_RDWR) = 4 [pid 5209] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5209] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5209] close(3) = 0 [pid 5209] close(4) = 0 [pid 5209] close(5) = -1 EBADF (Bad file descriptor) [pid 5209] close(6) = -1 EBADF (Bad file descriptor) [pid 5209] close(7) = -1 EBADF (Bad file descriptor) [pid 5209] close(8) = -1 EBADF (Bad file descriptor) [pid 5209] close(9) = -1 EBADF (Bad file descriptor) [pid 5209] close(10) = -1 EBADF (Bad file descriptor) [pid 5209] close(11) = -1 EBADF (Bad file descriptor) [pid 5209] close(12) = -1 EBADF (Bad file descriptor) [pid 5209] close(13) = -1 EBADF (Bad file descriptor) [pid 5209] close(14) = -1 EBADF (Bad file descriptor) [pid 5209] close(15) = -1 EBADF (Bad file descriptor) [pid 5209] close(16) = -1 EBADF (Bad file descriptor) [pid 5209] close(17) = -1 EBADF (Bad file descriptor) [pid 5209] close(18) = -1 EBADF (Bad file descriptor) [pid 5209] close(19) = -1 EBADF (Bad file descriptor) [pid 5209] close(20) = -1 EBADF (Bad file descriptor) [pid 5209] close(21) = -1 EBADF (Bad file descriptor) [pid 5209] close(22) = -1 EBADF (Bad file descriptor) [pid 5209] close(23) = -1 EBADF (Bad file descriptor) [pid 5209] close(24) = -1 EBADF (Bad file descriptor) [pid 5209] close(25) = -1 EBADF (Bad file descriptor) [pid 5209] close(26) = -1 EBADF (Bad file descriptor) [pid 5209] close(27) = -1 EBADF (Bad file descriptor) [pid 5209] close(28) = -1 EBADF (Bad file descriptor) [pid 5209] close(29) = -1 EBADF (Bad file descriptor) [pid 5209] exit_group(0) = ? [pid 5209] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./202/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./202/cgroup.cpu") = 0 [pid 5005] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./202/binderfs") = 0 [pid 5005] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./202/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./202/cgroup") = 0 [pid 5005] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./202/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./202/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./202") = 0 [pid 5005] mkdir("./203", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5210 attached [pid 5210] chdir("./203") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 205 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5210] setpgid(0, 0) = 0 [pid 5210] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5210] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5210] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5210] write(3, "1000", 4) = 4 [pid 5210] close(3) = 0 [pid 5210] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5210] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5210] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5210] openat(3, "freezer.state", O_RDWR) = 4 [pid 5210] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5210] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5210] close(3) = 0 [pid 5210] close(4) = 0 [pid 5210] close(5) = -1 EBADF (Bad file descriptor) [pid 5210] close(6) = -1 EBADF (Bad file descriptor) [pid 5210] close(7) = -1 EBADF (Bad file descriptor) [pid 5210] close(8) = -1 EBADF (Bad file descriptor) [pid 5210] close(9) = -1 EBADF (Bad file descriptor) [pid 5210] close(10) = -1 EBADF (Bad file descriptor) [pid 5210] close(11) = -1 EBADF (Bad file descriptor) [pid 5210] close(12) = -1 EBADF (Bad file descriptor) [pid 5210] close(13) = -1 EBADF (Bad file descriptor) [pid 5210] close(14) = -1 EBADF (Bad file descriptor) [pid 5210] close(15) = -1 EBADF (Bad file descriptor) [pid 5210] close(16) = -1 EBADF (Bad file descriptor) [pid 5210] close(17) = -1 EBADF (Bad file descriptor) [pid 5210] close(18) = -1 EBADF (Bad file descriptor) [pid 5210] close(19) = -1 EBADF (Bad file descriptor) [pid 5210] close(20) = -1 EBADF (Bad file descriptor) [pid 5210] close(21) = -1 EBADF (Bad file descriptor) [pid 5210] close(22) = -1 EBADF (Bad file descriptor) [pid 5210] close(23) = -1 EBADF (Bad file descriptor) [pid 5210] close(24) = -1 EBADF (Bad file descriptor) [pid 5210] close(25) = -1 EBADF (Bad file descriptor) [pid 5210] close(26) = -1 EBADF (Bad file descriptor) [pid 5210] close(27) = -1 EBADF (Bad file descriptor) [pid 5210] close(28) = -1 EBADF (Bad file descriptor) [pid 5210] close(29) = -1 EBADF (Bad file descriptor) [pid 5210] exit_group(0) = ? [pid 5210] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./203/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./203/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./203/cgroup.cpu") = 0 [pid 5005] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./203/binderfs") = 0 [pid 5005] umount2("./203/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./203/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./203/cgroup") = 0 [pid 5005] umount2("./203/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./203/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./203/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./203") = 0 [pid 5005] mkdir("./204", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5211 attached [pid 5211] chdir("./204") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 206 [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5211] setpgid(0, 0) = 0 [pid 5211] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5211] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5211] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5211] write(3, "1000", 4) = 4 [pid 5211] close(3) = 0 [pid 5211] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5211] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5211] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5211] openat(3, "freezer.state", O_RDWR) = 4 [pid 5211] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5211] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5211] close(3) = 0 [pid 5211] close(4) = 0 [pid 5211] close(5) = -1 EBADF (Bad file descriptor) [pid 5211] close(6) = -1 EBADF (Bad file descriptor) [pid 5211] close(7) = -1 EBADF (Bad file descriptor) [pid 5211] close(8) = -1 EBADF (Bad file descriptor) [pid 5211] close(9) = -1 EBADF (Bad file descriptor) [pid 5211] close(10) = -1 EBADF (Bad file descriptor) [pid 5211] close(11) = -1 EBADF (Bad file descriptor) [pid 5211] close(12) = -1 EBADF (Bad file descriptor) [pid 5211] close(13) = -1 EBADF (Bad file descriptor) [pid 5211] close(14) = -1 EBADF (Bad file descriptor) [pid 5211] close(15) = -1 EBADF (Bad file descriptor) [pid 5211] close(16) = -1 EBADF (Bad file descriptor) [pid 5211] close(17) = -1 EBADF (Bad file descriptor) [pid 5211] close(18) = -1 EBADF (Bad file descriptor) [pid 5211] close(19) = -1 EBADF (Bad file descriptor) [pid 5211] close(20) = -1 EBADF (Bad file descriptor) [pid 5211] close(21) = -1 EBADF (Bad file descriptor) [pid 5211] close(22) = -1 EBADF (Bad file descriptor) [pid 5211] close(23) = -1 EBADF (Bad file descriptor) [pid 5211] close(24) = -1 EBADF (Bad file descriptor) [pid 5211] close(25) = -1 EBADF (Bad file descriptor) [pid 5211] close(26) = -1 EBADF (Bad file descriptor) [pid 5211] close(27) = -1 EBADF (Bad file descriptor) [pid 5211] close(28) = -1 EBADF (Bad file descriptor) [pid 5211] close(29) = -1 EBADF (Bad file descriptor) [pid 5211] exit_group(0) = ? [pid 5211] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./204/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./204/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./204/cgroup.cpu") = 0 [pid 5005] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./204/binderfs") = 0 [pid 5005] umount2("./204/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./204/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./204/cgroup") = 0 [pid 5005] umount2("./204/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./204/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./204/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./204") = 0 [pid 5005] mkdir("./205", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5212 attached , child_tidptr=0x5555570a35d0) = 207 [pid 5212] chdir("./205") = 0 [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5212] setpgid(0, 0) = 0 [pid 5212] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5212] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5212] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5212] write(3, "1000", 4) = 4 [pid 5212] close(3) = 0 [pid 5212] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5212] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5212] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5212] openat(3, "freezer.state", O_RDWR) = 4 [pid 5212] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5212] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5212] close(3) = 0 [pid 5212] close(4) = 0 [pid 5212] close(5) = -1 EBADF (Bad file descriptor) [pid 5212] close(6) = -1 EBADF (Bad file descriptor) [pid 5212] close(7) = -1 EBADF (Bad file descriptor) [pid 5212] close(8) = -1 EBADF (Bad file descriptor) [pid 5212] close(9) = -1 EBADF (Bad file descriptor) [pid 5212] close(10) = -1 EBADF (Bad file descriptor) [pid 5212] close(11) = -1 EBADF (Bad file descriptor) [pid 5212] close(12) = -1 EBADF (Bad file descriptor) [pid 5212] close(13) = -1 EBADF (Bad file descriptor) [pid 5212] close(14) = -1 EBADF (Bad file descriptor) [pid 5212] close(15) = -1 EBADF (Bad file descriptor) [pid 5212] close(16) = -1 EBADF (Bad file descriptor) [pid 5212] close(17) = -1 EBADF (Bad file descriptor) [pid 5212] close(18) = -1 EBADF (Bad file descriptor) [pid 5212] close(19) = -1 EBADF (Bad file descriptor) [pid 5212] close(20) = -1 EBADF (Bad file descriptor) [pid 5212] close(21) = -1 EBADF (Bad file descriptor) [pid 5212] close(22) = -1 EBADF (Bad file descriptor) [pid 5212] close(23) = -1 EBADF (Bad file descriptor) [pid 5212] close(24) = -1 EBADF (Bad file descriptor) [pid 5212] close(25) = -1 EBADF (Bad file descriptor) [pid 5212] close(26) = -1 EBADF (Bad file descriptor) [pid 5212] close(27) = -1 EBADF (Bad file descriptor) [pid 5212] close(28) = -1 EBADF (Bad file descriptor) [pid 5212] close(29) = -1 EBADF (Bad file descriptor) [pid 5212] exit_group(0) = ? [pid 5212] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./205/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./205/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./205/cgroup.cpu") = 0 [pid 5005] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./205/binderfs") = 0 [pid 5005] umount2("./205/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./205/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./205/cgroup") = 0 [pid 5005] umount2("./205/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./205/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./205/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./205") = 0 [pid 5005] mkdir("./206", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5213 attached [pid 5213] chdir("./206") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 208 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5213] setpgid(0, 0) = 0 [pid 5213] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5213] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5213] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5213] write(3, "1000", 4) = 4 [pid 5213] close(3) = 0 [pid 5213] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5213] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5213] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5213] openat(3, "freezer.state", O_RDWR) = 4 [pid 5213] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5213] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5213] close(3) = 0 [pid 5213] close(4) = 0 [pid 5213] close(5) = -1 EBADF (Bad file descriptor) [pid 5213] close(6) = -1 EBADF (Bad file descriptor) [pid 5213] close(7) = -1 EBADF (Bad file descriptor) [pid 5213] close(8) = -1 EBADF (Bad file descriptor) [pid 5213] close(9) = -1 EBADF (Bad file descriptor) [pid 5213] close(10) = -1 EBADF (Bad file descriptor) [pid 5213] close(11) = -1 EBADF (Bad file descriptor) [pid 5213] close(12) = -1 EBADF (Bad file descriptor) [pid 5213] close(13) = -1 EBADF (Bad file descriptor) [pid 5213] close(14) = -1 EBADF (Bad file descriptor) [pid 5213] close(15) = -1 EBADF (Bad file descriptor) [pid 5213] close(16) = -1 EBADF (Bad file descriptor) [pid 5213] close(17) = -1 EBADF (Bad file descriptor) [pid 5213] close(18) = -1 EBADF (Bad file descriptor) [pid 5213] close(19) = -1 EBADF (Bad file descriptor) [pid 5213] close(20) = -1 EBADF (Bad file descriptor) [pid 5213] close(21) = -1 EBADF (Bad file descriptor) [pid 5213] close(22) = -1 EBADF (Bad file descriptor) [pid 5213] close(23) = -1 EBADF (Bad file descriptor) [pid 5213] close(24) = -1 EBADF (Bad file descriptor) [pid 5213] close(25) = -1 EBADF (Bad file descriptor) [pid 5213] close(26) = -1 EBADF (Bad file descriptor) [pid 5213] close(27) = -1 EBADF (Bad file descriptor) [pid 5213] close(28) = -1 EBADF (Bad file descriptor) [pid 5213] close(29) = -1 EBADF (Bad file descriptor) [pid 5213] exit_group(0) = ? [pid 5213] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./206/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./206/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./206/cgroup.cpu") = 0 [pid 5005] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./206/binderfs") = 0 [pid 5005] umount2("./206/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./206/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./206/cgroup") = 0 [pid 5005] umount2("./206/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./206/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./206/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./206") = 0 [pid 5005] mkdir("./207", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5214 attached [pid 5214] chdir("./207") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 209 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5214] setpgid(0, 0) = 0 [pid 5214] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5214] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5214] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5214] write(3, "1000", 4) = 4 [pid 5214] close(3) = 0 [pid 5214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5214] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5214] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5214] openat(3, "freezer.state", O_RDWR) = 4 [pid 5214] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5214] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5214] close(3) = 0 [pid 5214] close(4) = 0 [pid 5214] close(5) = -1 EBADF (Bad file descriptor) [pid 5214] close(6) = -1 EBADF (Bad file descriptor) [pid 5214] close(7) = -1 EBADF (Bad file descriptor) [pid 5214] close(8) = -1 EBADF (Bad file descriptor) [pid 5214] close(9) = -1 EBADF (Bad file descriptor) [pid 5214] close(10) = -1 EBADF (Bad file descriptor) [pid 5214] close(11) = -1 EBADF (Bad file descriptor) [pid 5214] close(12) = -1 EBADF (Bad file descriptor) [pid 5214] close(13) = -1 EBADF (Bad file descriptor) [pid 5214] close(14) = -1 EBADF (Bad file descriptor) [pid 5214] close(15) = -1 EBADF (Bad file descriptor) [pid 5214] close(16) = -1 EBADF (Bad file descriptor) [pid 5214] close(17) = -1 EBADF (Bad file descriptor) [pid 5214] close(18) = -1 EBADF (Bad file descriptor) [pid 5214] close(19) = -1 EBADF (Bad file descriptor) [pid 5214] close(20) = -1 EBADF (Bad file descriptor) [pid 5214] close(21) = -1 EBADF (Bad file descriptor) [pid 5214] close(22) = -1 EBADF (Bad file descriptor) [pid 5214] close(23) = -1 EBADF (Bad file descriptor) [pid 5214] close(24) = -1 EBADF (Bad file descriptor) [pid 5214] close(25) = -1 EBADF (Bad file descriptor) [pid 5214] close(26) = -1 EBADF (Bad file descriptor) [pid 5214] close(27) = -1 EBADF (Bad file descriptor) [pid 5214] close(28) = -1 EBADF (Bad file descriptor) [pid 5214] close(29) = -1 EBADF (Bad file descriptor) [pid 5214] exit_group(0) = ? [pid 5214] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./207/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./207/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./207/cgroup.cpu") = 0 [pid 5005] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./207/binderfs") = 0 [pid 5005] umount2("./207/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./207/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./207/cgroup") = 0 [pid 5005] umount2("./207/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./207/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./207/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./207") = 0 [pid 5005] mkdir("./208", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5215 attached [pid 5215] chdir("./208") = 0 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 210 [pid 5215] setpgid(0, 0) = 0 [pid 5215] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5215] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5215] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5215] write(3, "1000", 4) = 4 [pid 5215] close(3) = 0 [pid 5215] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5215] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5215] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5215] openat(3, "freezer.state", O_RDWR) = 4 [pid 5215] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5215] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5215] close(3) = 0 [pid 5215] close(4) = 0 [pid 5215] close(5) = -1 EBADF (Bad file descriptor) [pid 5215] close(6) = -1 EBADF (Bad file descriptor) [pid 5215] close(7) = -1 EBADF (Bad file descriptor) [pid 5215] close(8) = -1 EBADF (Bad file descriptor) [pid 5215] close(9) = -1 EBADF (Bad file descriptor) [pid 5215] close(10) = -1 EBADF (Bad file descriptor) [pid 5215] close(11) = -1 EBADF (Bad file descriptor) [pid 5215] close(12) = -1 EBADF (Bad file descriptor) [pid 5215] close(13) = -1 EBADF (Bad file descriptor) [pid 5215] close(14) = -1 EBADF (Bad file descriptor) [pid 5215] close(15) = -1 EBADF (Bad file descriptor) [pid 5215] close(16) = -1 EBADF (Bad file descriptor) [pid 5215] close(17) = -1 EBADF (Bad file descriptor) [pid 5215] close(18) = -1 EBADF (Bad file descriptor) [pid 5215] close(19) = -1 EBADF (Bad file descriptor) [pid 5215] close(20) = -1 EBADF (Bad file descriptor) [pid 5215] close(21) = -1 EBADF (Bad file descriptor) [pid 5215] close(22) = -1 EBADF (Bad file descriptor) [pid 5215] close(23) = -1 EBADF (Bad file descriptor) [pid 5215] close(24) = -1 EBADF (Bad file descriptor) [pid 5215] close(25) = -1 EBADF (Bad file descriptor) [pid 5215] close(26) = -1 EBADF (Bad file descriptor) [pid 5215] close(27) = -1 EBADF (Bad file descriptor) [pid 5215] close(28) = -1 EBADF (Bad file descriptor) [pid 5215] close(29) = -1 EBADF (Bad file descriptor) [pid 5215] exit_group(0) = ? [pid 5215] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./208/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./208/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./208/cgroup.cpu") = 0 [pid 5005] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./208/binderfs") = 0 [pid 5005] umount2("./208/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./208/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./208/cgroup") = 0 [pid 5005] umount2("./208/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./208/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./208/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./208") = 0 [pid 5005] mkdir("./209", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5216 attached , child_tidptr=0x5555570a35d0) = 211 [pid 5216] chdir("./209") = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5216] setpgid(0, 0) = 0 [pid 5216] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5216] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5216] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5216] write(3, "1000", 4) = 4 [pid 5216] close(3) = 0 [pid 5216] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5216] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5216] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5216] openat(3, "freezer.state", O_RDWR) = 4 [pid 5216] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5216] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5216] close(3) = 0 [pid 5216] close(4) = 0 [pid 5216] close(5) = -1 EBADF (Bad file descriptor) [pid 5216] close(6) = -1 EBADF (Bad file descriptor) [pid 5216] close(7) = -1 EBADF (Bad file descriptor) [pid 5216] close(8) = -1 EBADF (Bad file descriptor) [pid 5216] close(9) = -1 EBADF (Bad file descriptor) [pid 5216] close(10) = -1 EBADF (Bad file descriptor) [pid 5216] close(11) = -1 EBADF (Bad file descriptor) [pid 5216] close(12) = -1 EBADF (Bad file descriptor) [pid 5216] close(13) = -1 EBADF (Bad file descriptor) [pid 5216] close(14) = -1 EBADF (Bad file descriptor) [pid 5216] close(15) = -1 EBADF (Bad file descriptor) [pid 5216] close(16) = -1 EBADF (Bad file descriptor) [pid 5216] close(17) = -1 EBADF (Bad file descriptor) [pid 5216] close(18) = -1 EBADF (Bad file descriptor) [pid 5216] close(19) = -1 EBADF (Bad file descriptor) [pid 5216] close(20) = -1 EBADF (Bad file descriptor) [pid 5216] close(21) = -1 EBADF (Bad file descriptor) [pid 5216] close(22) = -1 EBADF (Bad file descriptor) [pid 5216] close(23) = -1 EBADF (Bad file descriptor) [pid 5216] close(24) = -1 EBADF (Bad file descriptor) [pid 5216] close(25) = -1 EBADF (Bad file descriptor) [pid 5216] close(26) = -1 EBADF (Bad file descriptor) [pid 5216] close(27) = -1 EBADF (Bad file descriptor) [pid 5216] close(28) = -1 EBADF (Bad file descriptor) [pid 5216] close(29) = -1 EBADF (Bad file descriptor) [pid 5216] exit_group(0) = ? [pid 5216] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./209/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./209/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./209/cgroup.cpu") = 0 [pid 5005] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./209/binderfs") = 0 [pid 5005] umount2("./209/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./209/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./209/cgroup") = 0 [pid 5005] umount2("./209/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./209/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./209/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./209") = 0 [pid 5005] mkdir("./210", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5217 attached , child_tidptr=0x5555570a35d0) = 212 [pid 5217] chdir("./210") = 0 [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5217] setpgid(0, 0) = 0 [pid 5217] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5217] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5217] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5217] write(3, "1000", 4) = 4 [pid 5217] close(3) = 0 [pid 5217] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5217] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5217] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5217] openat(3, "freezer.state", O_RDWR) = 4 [pid 5217] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5217] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5217] close(3) = 0 [pid 5217] close(4) = 0 [pid 5217] close(5) = -1 EBADF (Bad file descriptor) [pid 5217] close(6) = -1 EBADF (Bad file descriptor) [pid 5217] close(7) = -1 EBADF (Bad file descriptor) [pid 5217] close(8) = -1 EBADF (Bad file descriptor) [pid 5217] close(9) = -1 EBADF (Bad file descriptor) [pid 5217] close(10) = -1 EBADF (Bad file descriptor) [pid 5217] close(11) = -1 EBADF (Bad file descriptor) [pid 5217] close(12) = -1 EBADF (Bad file descriptor) [pid 5217] close(13) = -1 EBADF (Bad file descriptor) [pid 5217] close(14) = -1 EBADF (Bad file descriptor) [pid 5217] close(15) = -1 EBADF (Bad file descriptor) [pid 5217] close(16) = -1 EBADF (Bad file descriptor) [pid 5217] close(17) = -1 EBADF (Bad file descriptor) [pid 5217] close(18) = -1 EBADF (Bad file descriptor) [pid 5217] close(19) = -1 EBADF (Bad file descriptor) [pid 5217] close(20) = -1 EBADF (Bad file descriptor) [pid 5217] close(21) = -1 EBADF (Bad file descriptor) [pid 5217] close(22) = -1 EBADF (Bad file descriptor) [pid 5217] close(23) = -1 EBADF (Bad file descriptor) [pid 5217] close(24) = -1 EBADF (Bad file descriptor) [pid 5217] close(25) = -1 EBADF (Bad file descriptor) [pid 5217] close(26) = -1 EBADF (Bad file descriptor) [pid 5217] close(27) = -1 EBADF (Bad file descriptor) [pid 5217] close(28) = -1 EBADF (Bad file descriptor) [pid 5217] close(29) = -1 EBADF (Bad file descriptor) [pid 5217] exit_group(0) = ? [pid 5217] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./210/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./210/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./210/cgroup.cpu") = 0 [pid 5005] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./210/binderfs") = 0 [pid 5005] umount2("./210/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./210/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./210/cgroup") = 0 [pid 5005] umount2("./210/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./210/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./210/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./210") = 0 [pid 5005] mkdir("./211", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5218 attached , child_tidptr=0x5555570a35d0) = 213 [pid 5218] chdir("./211") = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5218] setpgid(0, 0) = 0 [pid 5218] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5218] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5218] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1000", 4) = 4 [pid 5218] close(3) = 0 [pid 5218] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5218] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5218] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5218] openat(3, "freezer.state", O_RDWR) = 4 [pid 5218] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5218] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5218] close(3) = 0 [pid 5218] close(4) = 0 [pid 5218] close(5) = -1 EBADF (Bad file descriptor) [pid 5218] close(6) = -1 EBADF (Bad file descriptor) [pid 5218] close(7) = -1 EBADF (Bad file descriptor) [pid 5218] close(8) = -1 EBADF (Bad file descriptor) [pid 5218] close(9) = -1 EBADF (Bad file descriptor) [pid 5218] close(10) = -1 EBADF (Bad file descriptor) [pid 5218] close(11) = -1 EBADF (Bad file descriptor) [pid 5218] close(12) = -1 EBADF (Bad file descriptor) [pid 5218] close(13) = -1 EBADF (Bad file descriptor) [pid 5218] close(14) = -1 EBADF (Bad file descriptor) [pid 5218] close(15) = -1 EBADF (Bad file descriptor) [pid 5218] close(16) = -1 EBADF (Bad file descriptor) [pid 5218] close(17) = -1 EBADF (Bad file descriptor) [pid 5218] close(18) = -1 EBADF (Bad file descriptor) [pid 5218] close(19) = -1 EBADF (Bad file descriptor) [pid 5218] close(20) = -1 EBADF (Bad file descriptor) [pid 5218] close(21) = -1 EBADF (Bad file descriptor) [pid 5218] close(22) = -1 EBADF (Bad file descriptor) [pid 5218] close(23) = -1 EBADF (Bad file descriptor) [pid 5218] close(24) = -1 EBADF (Bad file descriptor) [pid 5218] close(25) = -1 EBADF (Bad file descriptor) [pid 5218] close(26) = -1 EBADF (Bad file descriptor) [pid 5218] close(27) = -1 EBADF (Bad file descriptor) [pid 5218] close(28) = -1 EBADF (Bad file descriptor) [pid 5218] close(29) = -1 EBADF (Bad file descriptor) [pid 5218] exit_group(0) = ? [pid 5218] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./211/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./211/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./211/cgroup.cpu") = 0 [pid 5005] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./211/binderfs") = 0 [pid 5005] umount2("./211/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./211/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./211/cgroup") = 0 [pid 5005] umount2("./211/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./211/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./211/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./211") = 0 [pid 5005] mkdir("./212", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5219 attached [pid 5219] chdir("./212") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 214 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setpgid(0, 0) = 0 [pid 5219] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5219] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5219] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1000", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5219] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5219] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5219] openat(3, "freezer.state", O_RDWR) = 4 [pid 5219] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5219] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5219] close(3) = 0 [pid 5219] close(4) = 0 [pid 5219] close(5) = -1 EBADF (Bad file descriptor) [pid 5219] close(6) = -1 EBADF (Bad file descriptor) [pid 5219] close(7) = -1 EBADF (Bad file descriptor) [pid 5219] close(8) = -1 EBADF (Bad file descriptor) [pid 5219] close(9) = -1 EBADF (Bad file descriptor) [pid 5219] close(10) = -1 EBADF (Bad file descriptor) [pid 5219] close(11) = -1 EBADF (Bad file descriptor) [pid 5219] close(12) = -1 EBADF (Bad file descriptor) [pid 5219] close(13) = -1 EBADF (Bad file descriptor) [pid 5219] close(14) = -1 EBADF (Bad file descriptor) [pid 5219] close(15) = -1 EBADF (Bad file descriptor) [pid 5219] close(16) = -1 EBADF (Bad file descriptor) [pid 5219] close(17) = -1 EBADF (Bad file descriptor) [pid 5219] close(18) = -1 EBADF (Bad file descriptor) [pid 5219] close(19) = -1 EBADF (Bad file descriptor) [pid 5219] close(20) = -1 EBADF (Bad file descriptor) [pid 5219] close(21) = -1 EBADF (Bad file descriptor) [pid 5219] close(22) = -1 EBADF (Bad file descriptor) [pid 5219] close(23) = -1 EBADF (Bad file descriptor) [pid 5219] close(24) = -1 EBADF (Bad file descriptor) [pid 5219] close(25) = -1 EBADF (Bad file descriptor) [pid 5219] close(26) = -1 EBADF (Bad file descriptor) [pid 5219] close(27) = -1 EBADF (Bad file descriptor) [pid 5219] close(28) = -1 EBADF (Bad file descriptor) [pid 5219] close(29) = -1 EBADF (Bad file descriptor) [pid 5219] exit_group(0) = ? [pid 5219] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./212/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./212/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./212/cgroup.cpu") = 0 [pid 5005] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./212/binderfs") = 0 [pid 5005] umount2("./212/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./212/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./212/cgroup") = 0 [pid 5005] umount2("./212/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./212/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./212/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./212") = 0 [pid 5005] mkdir("./213", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached [pid 5220] chdir("./213") = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5220] setpgid(0, 0) = 0 [pid 5220] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 215 [pid 5220] <... symlink resumed>) = 0 [pid 5220] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5220] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1000", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5220] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5220] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5220] openat(3, "freezer.state", O_RDWR) = 4 [pid 5220] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5220] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5220] close(3) = 0 [pid 5220] close(4) = 0 [pid 5220] close(5) = -1 EBADF (Bad file descriptor) [pid 5220] close(6) = -1 EBADF (Bad file descriptor) [pid 5220] close(7) = -1 EBADF (Bad file descriptor) [pid 5220] close(8) = -1 EBADF (Bad file descriptor) [pid 5220] close(9) = -1 EBADF (Bad file descriptor) [pid 5220] close(10) = -1 EBADF (Bad file descriptor) [pid 5220] close(11) = -1 EBADF (Bad file descriptor) [pid 5220] close(12) = -1 EBADF (Bad file descriptor) [pid 5220] close(13) = -1 EBADF (Bad file descriptor) [pid 5220] close(14) = -1 EBADF (Bad file descriptor) [pid 5220] close(15) = -1 EBADF (Bad file descriptor) [pid 5220] close(16) = -1 EBADF (Bad file descriptor) [pid 5220] close(17) = -1 EBADF (Bad file descriptor) [pid 5220] close(18) = -1 EBADF (Bad file descriptor) [pid 5220] close(19) = -1 EBADF (Bad file descriptor) [pid 5220] close(20) = -1 EBADF (Bad file descriptor) [pid 5220] close(21) = -1 EBADF (Bad file descriptor) [pid 5220] close(22) = -1 EBADF (Bad file descriptor) [pid 5220] close(23) = -1 EBADF (Bad file descriptor) [pid 5220] close(24) = -1 EBADF (Bad file descriptor) [pid 5220] close(25) = -1 EBADF (Bad file descriptor) [pid 5220] close(26) = -1 EBADF (Bad file descriptor) [pid 5220] close(27) = -1 EBADF (Bad file descriptor) [pid 5220] close(28) = -1 EBADF (Bad file descriptor) [pid 5220] close(29) = -1 EBADF (Bad file descriptor) [pid 5220] exit_group(0) = ? [pid 5220] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./213/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./213/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./213/cgroup.cpu") = 0 [pid 5005] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./213/binderfs") = 0 [pid 5005] umount2("./213/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./213/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./213/cgroup") = 0 [pid 5005] umount2("./213/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./213/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./213/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./213") = 0 [pid 5005] mkdir("./214", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5221 attached [pid 5221] chdir("./214") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 216 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5221] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5221] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5221] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5221] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5221] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5221] openat(3, "freezer.state", O_RDWR) = 4 [pid 5221] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5221] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5221] close(3) = 0 [pid 5221] close(4) = 0 [pid 5221] close(5) = -1 EBADF (Bad file descriptor) [pid 5221] close(6) = -1 EBADF (Bad file descriptor) [pid 5221] close(7) = -1 EBADF (Bad file descriptor) [pid 5221] close(8) = -1 EBADF (Bad file descriptor) [pid 5221] close(9) = -1 EBADF (Bad file descriptor) [pid 5221] close(10) = -1 EBADF (Bad file descriptor) [pid 5221] close(11) = -1 EBADF (Bad file descriptor) [pid 5221] close(12) = -1 EBADF (Bad file descriptor) [pid 5221] close(13) = -1 EBADF (Bad file descriptor) [pid 5221] close(14) = -1 EBADF (Bad file descriptor) [pid 5221] close(15) = -1 EBADF (Bad file descriptor) [pid 5221] close(16) = -1 EBADF (Bad file descriptor) [pid 5221] close(17) = -1 EBADF (Bad file descriptor) [pid 5221] close(18) = -1 EBADF (Bad file descriptor) [pid 5221] close(19) = -1 EBADF (Bad file descriptor) [pid 5221] close(20) = -1 EBADF (Bad file descriptor) [pid 5221] close(21) = -1 EBADF (Bad file descriptor) [pid 5221] close(22) = -1 EBADF (Bad file descriptor) [pid 5221] close(23) = -1 EBADF (Bad file descriptor) [pid 5221] close(24) = -1 EBADF (Bad file descriptor) [pid 5221] close(25) = -1 EBADF (Bad file descriptor) [pid 5221] close(26) = -1 EBADF (Bad file descriptor) [pid 5221] close(27) = -1 EBADF (Bad file descriptor) [pid 5221] close(28) = -1 EBADF (Bad file descriptor) [pid 5221] close(29) = -1 EBADF (Bad file descriptor) [pid 5221] exit_group(0) = ? [pid 5221] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./214/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./214/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./214/cgroup.cpu") = 0 [pid 5005] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./214/binderfs") = 0 [pid 5005] umount2("./214/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./214/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./214/cgroup") = 0 [pid 5005] umount2("./214/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./214/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./214/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./214") = 0 [pid 5005] mkdir("./215", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5222 attached [pid 5222] chdir("./215") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 217 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5222] setpgid(0, 0) = 0 [pid 5222] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5222] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5222] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1000", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5222] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5222] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5222] openat(3, "freezer.state", O_RDWR) = 4 [pid 5222] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5222] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5222] close(3) = 0 [pid 5222] close(4) = 0 [pid 5222] close(5) = -1 EBADF (Bad file descriptor) [pid 5222] close(6) = -1 EBADF (Bad file descriptor) [pid 5222] close(7) = -1 EBADF (Bad file descriptor) [pid 5222] close(8) = -1 EBADF (Bad file descriptor) [pid 5222] close(9) = -1 EBADF (Bad file descriptor) [pid 5222] close(10) = -1 EBADF (Bad file descriptor) [pid 5222] close(11) = -1 EBADF (Bad file descriptor) [pid 5222] close(12) = -1 EBADF (Bad file descriptor) [pid 5222] close(13) = -1 EBADF (Bad file descriptor) [pid 5222] close(14) = -1 EBADF (Bad file descriptor) [pid 5222] close(15) = -1 EBADF (Bad file descriptor) [pid 5222] close(16) = -1 EBADF (Bad file descriptor) [pid 5222] close(17) = -1 EBADF (Bad file descriptor) [pid 5222] close(18) = -1 EBADF (Bad file descriptor) [pid 5222] close(19) = -1 EBADF (Bad file descriptor) [pid 5222] close(20) = -1 EBADF (Bad file descriptor) [pid 5222] close(21) = -1 EBADF (Bad file descriptor) [pid 5222] close(22) = -1 EBADF (Bad file descriptor) [pid 5222] close(23) = -1 EBADF (Bad file descriptor) [pid 5222] close(24) = -1 EBADF (Bad file descriptor) [pid 5222] close(25) = -1 EBADF (Bad file descriptor) [pid 5222] close(26) = -1 EBADF (Bad file descriptor) [pid 5222] close(27) = -1 EBADF (Bad file descriptor) [pid 5222] close(28) = -1 EBADF (Bad file descriptor) [pid 5222] close(29) = -1 EBADF (Bad file descriptor) [pid 5222] exit_group(0) = ? [pid 5222] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./215/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./215/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./215/cgroup.cpu") = 0 [pid 5005] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./215/binderfs") = 0 [pid 5005] umount2("./215/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./215/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./215/cgroup") = 0 [pid 5005] umount2("./215/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./215/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./215/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./215") = 0 [pid 5005] mkdir("./216", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5223 attached [pid 5223] chdir("./216") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 218 [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5223] setpgid(0, 0) = 0 [pid 5223] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5223] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5223] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "1000", 4) = 4 [pid 5223] close(3) = 0 [pid 5223] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5223] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5223] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5223] openat(3, "freezer.state", O_RDWR) = 4 [pid 5223] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5223] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5223] close(3) = 0 [pid 5223] close(4) = 0 [pid 5223] close(5) = -1 EBADF (Bad file descriptor) [pid 5223] close(6) = -1 EBADF (Bad file descriptor) [pid 5223] close(7) = -1 EBADF (Bad file descriptor) [pid 5223] close(8) = -1 EBADF (Bad file descriptor) [pid 5223] close(9) = -1 EBADF (Bad file descriptor) [pid 5223] close(10) = -1 EBADF (Bad file descriptor) [pid 5223] close(11) = -1 EBADF (Bad file descriptor) [pid 5223] close(12) = -1 EBADF (Bad file descriptor) [pid 5223] close(13) = -1 EBADF (Bad file descriptor) [pid 5223] close(14) = -1 EBADF (Bad file descriptor) [pid 5223] close(15) = -1 EBADF (Bad file descriptor) [pid 5223] close(16) = -1 EBADF (Bad file descriptor) [pid 5223] close(17) = -1 EBADF (Bad file descriptor) [pid 5223] close(18) = -1 EBADF (Bad file descriptor) [pid 5223] close(19) = -1 EBADF (Bad file descriptor) [pid 5223] close(20) = -1 EBADF (Bad file descriptor) [pid 5223] close(21) = -1 EBADF (Bad file descriptor) [pid 5223] close(22) = -1 EBADF (Bad file descriptor) [pid 5223] close(23) = -1 EBADF (Bad file descriptor) [pid 5223] close(24) = -1 EBADF (Bad file descriptor) [pid 5223] close(25) = -1 EBADF (Bad file descriptor) [pid 5223] close(26) = -1 EBADF (Bad file descriptor) [pid 5223] close(27) = -1 EBADF (Bad file descriptor) [pid 5223] close(28) = -1 EBADF (Bad file descriptor) [pid 5223] close(29) = -1 EBADF (Bad file descriptor) [pid 5223] exit_group(0) = ? [pid 5223] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./216/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./216/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./216/cgroup.cpu") = 0 [pid 5005] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./216/binderfs") = 0 [pid 5005] umount2("./216/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./216/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./216/cgroup") = 0 [pid 5005] umount2("./216/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./216/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./216/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./216") = 0 [pid 5005] mkdir("./217", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached [pid 5224] chdir("./217") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 219 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] setpgid(0, 0) = 0 [pid 5224] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5224] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5224] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1000", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5224] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5224] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5224] openat(3, "freezer.state", O_RDWR) = 4 [pid 5224] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5224] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5224] close(3) = 0 [pid 5224] close(4) = 0 [pid 5224] close(5) = -1 EBADF (Bad file descriptor) [pid 5224] close(6) = -1 EBADF (Bad file descriptor) [pid 5224] close(7) = -1 EBADF (Bad file descriptor) [pid 5224] close(8) = -1 EBADF (Bad file descriptor) [pid 5224] close(9) = -1 EBADF (Bad file descriptor) [pid 5224] close(10) = -1 EBADF (Bad file descriptor) [pid 5224] close(11) = -1 EBADF (Bad file descriptor) [pid 5224] close(12) = -1 EBADF (Bad file descriptor) [pid 5224] close(13) = -1 EBADF (Bad file descriptor) [pid 5224] close(14) = -1 EBADF (Bad file descriptor) [pid 5224] close(15) = -1 EBADF (Bad file descriptor) [pid 5224] close(16) = -1 EBADF (Bad file descriptor) [pid 5224] close(17) = -1 EBADF (Bad file descriptor) [pid 5224] close(18) = -1 EBADF (Bad file descriptor) [pid 5224] close(19) = -1 EBADF (Bad file descriptor) [pid 5224] close(20) = -1 EBADF (Bad file descriptor) [pid 5224] close(21) = -1 EBADF (Bad file descriptor) [pid 5224] close(22) = -1 EBADF (Bad file descriptor) [pid 5224] close(23) = -1 EBADF (Bad file descriptor) [pid 5224] close(24) = -1 EBADF (Bad file descriptor) [pid 5224] close(25) = -1 EBADF (Bad file descriptor) [pid 5224] close(26) = -1 EBADF (Bad file descriptor) [pid 5224] close(27) = -1 EBADF (Bad file descriptor) [pid 5224] close(28) = -1 EBADF (Bad file descriptor) [pid 5224] close(29) = -1 EBADF (Bad file descriptor) [pid 5224] exit_group(0) = ? [pid 5224] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./217/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./217/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./217/cgroup.cpu") = 0 [pid 5005] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./217/binderfs") = 0 [pid 5005] umount2("./217/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./217/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./217/cgroup") = 0 [pid 5005] umount2("./217/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./217/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./217/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./217") = 0 [pid 5005] mkdir("./218", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached [pid 5225] chdir("./218") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 220 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] setpgid(0, 0) = 0 [pid 5225] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5225] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5225] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1000", 4) = 4 [pid 5225] close(3) = 0 [pid 5225] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5225] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5225] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5225] openat(3, "freezer.state", O_RDWR) = 4 [pid 5225] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5225] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5225] close(3) = 0 [pid 5225] close(4) = 0 [pid 5225] close(5) = -1 EBADF (Bad file descriptor) [pid 5225] close(6) = -1 EBADF (Bad file descriptor) [pid 5225] close(7) = -1 EBADF (Bad file descriptor) [pid 5225] close(8) = -1 EBADF (Bad file descriptor) [pid 5225] close(9) = -1 EBADF (Bad file descriptor) [pid 5225] close(10) = -1 EBADF (Bad file descriptor) [pid 5225] close(11) = -1 EBADF (Bad file descriptor) [pid 5225] close(12) = -1 EBADF (Bad file descriptor) [pid 5225] close(13) = -1 EBADF (Bad file descriptor) [pid 5225] close(14) = -1 EBADF (Bad file descriptor) [pid 5225] close(15) = -1 EBADF (Bad file descriptor) [pid 5225] close(16) = -1 EBADF (Bad file descriptor) [pid 5225] close(17) = -1 EBADF (Bad file descriptor) [pid 5225] close(18) = -1 EBADF (Bad file descriptor) [pid 5225] close(19) = -1 EBADF (Bad file descriptor) [pid 5225] close(20) = -1 EBADF (Bad file descriptor) [pid 5225] close(21) = -1 EBADF (Bad file descriptor) [pid 5225] close(22) = -1 EBADF (Bad file descriptor) [pid 5225] close(23) = -1 EBADF (Bad file descriptor) [pid 5225] close(24) = -1 EBADF (Bad file descriptor) [pid 5225] close(25) = -1 EBADF (Bad file descriptor) [pid 5225] close(26) = -1 EBADF (Bad file descriptor) [pid 5225] close(27) = -1 EBADF (Bad file descriptor) [pid 5225] close(28) = -1 EBADF (Bad file descriptor) [pid 5225] close(29) = -1 EBADF (Bad file descriptor) [pid 5225] exit_group(0) = ? [pid 5225] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./218/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./218/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./218/cgroup.cpu") = 0 [pid 5005] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./218/binderfs") = 0 [pid 5005] umount2("./218/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./218/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./218/cgroup") = 0 [pid 5005] umount2("./218/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./218/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./218/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./218") = 0 [pid 5005] mkdir("./219", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5226 attached [pid 5226] chdir("./219") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 221 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5226] setpgid(0, 0) = 0 [pid 5226] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5226] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5226] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5226] write(3, "1000", 4) = 4 [pid 5226] close(3) = 0 [pid 5226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5226] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5226] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5226] openat(3, "freezer.state", O_RDWR) = 4 [pid 5226] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5226] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5226] close(3) = 0 [pid 5226] close(4) = 0 [pid 5226] close(5) = -1 EBADF (Bad file descriptor) [pid 5226] close(6) = -1 EBADF (Bad file descriptor) [pid 5226] close(7) = -1 EBADF (Bad file descriptor) [pid 5226] close(8) = -1 EBADF (Bad file descriptor) [pid 5226] close(9) = -1 EBADF (Bad file descriptor) [pid 5226] close(10) = -1 EBADF (Bad file descriptor) [pid 5226] close(11) = -1 EBADF (Bad file descriptor) [pid 5226] close(12) = -1 EBADF (Bad file descriptor) [pid 5226] close(13) = -1 EBADF (Bad file descriptor) [pid 5226] close(14) = -1 EBADF (Bad file descriptor) [pid 5226] close(15) = -1 EBADF (Bad file descriptor) [pid 5226] close(16) = -1 EBADF (Bad file descriptor) [pid 5226] close(17) = -1 EBADF (Bad file descriptor) [pid 5226] close(18) = -1 EBADF (Bad file descriptor) [pid 5226] close(19) = -1 EBADF (Bad file descriptor) [pid 5226] close(20) = -1 EBADF (Bad file descriptor) [pid 5226] close(21) = -1 EBADF (Bad file descriptor) [pid 5226] close(22) = -1 EBADF (Bad file descriptor) [pid 5226] close(23) = -1 EBADF (Bad file descriptor) [pid 5226] close(24) = -1 EBADF (Bad file descriptor) [pid 5226] close(25) = -1 EBADF (Bad file descriptor) [pid 5226] close(26) = -1 EBADF (Bad file descriptor) [pid 5226] close(27) = -1 EBADF (Bad file descriptor) [pid 5226] close(28) = -1 EBADF (Bad file descriptor) [pid 5226] close(29) = -1 EBADF (Bad file descriptor) [pid 5226] exit_group(0) = ? [pid 5226] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./219/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./219/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./219/cgroup.cpu") = 0 [pid 5005] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./219/binderfs") = 0 [pid 5005] umount2("./219/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./219/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./219/cgroup") = 0 [pid 5005] umount2("./219/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./219/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./219/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./219") = 0 [pid 5005] mkdir("./220", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5227 attached , child_tidptr=0x5555570a35d0) = 222 [pid 5227] chdir("./220") = 0 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setpgid(0, 0) = 0 [pid 5227] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5227] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5227] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1000", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5227] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5227] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5227] openat(3, "freezer.state", O_RDWR) = 4 [pid 5227] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5227] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5227] close(3) = 0 [pid 5227] close(4) = 0 [pid 5227] close(5) = -1 EBADF (Bad file descriptor) [pid 5227] close(6) = -1 EBADF (Bad file descriptor) [pid 5227] close(7) = -1 EBADF (Bad file descriptor) [pid 5227] close(8) = -1 EBADF (Bad file descriptor) [pid 5227] close(9) = -1 EBADF (Bad file descriptor) [pid 5227] close(10) = -1 EBADF (Bad file descriptor) [pid 5227] close(11) = -1 EBADF (Bad file descriptor) [pid 5227] close(12) = -1 EBADF (Bad file descriptor) [pid 5227] close(13) = -1 EBADF (Bad file descriptor) [pid 5227] close(14) = -1 EBADF (Bad file descriptor) [pid 5227] close(15) = -1 EBADF (Bad file descriptor) [pid 5227] close(16) = -1 EBADF (Bad file descriptor) [pid 5227] close(17) = -1 EBADF (Bad file descriptor) [pid 5227] close(18) = -1 EBADF (Bad file descriptor) [pid 5227] close(19) = -1 EBADF (Bad file descriptor) [pid 5227] close(20) = -1 EBADF (Bad file descriptor) [pid 5227] close(21) = -1 EBADF (Bad file descriptor) [pid 5227] close(22) = -1 EBADF (Bad file descriptor) [pid 5227] close(23) = -1 EBADF (Bad file descriptor) [pid 5227] close(24) = -1 EBADF (Bad file descriptor) [pid 5227] close(25) = -1 EBADF (Bad file descriptor) [pid 5227] close(26) = -1 EBADF (Bad file descriptor) [pid 5227] close(27) = -1 EBADF (Bad file descriptor) [pid 5227] close(28) = -1 EBADF (Bad file descriptor) [pid 5227] close(29) = -1 EBADF (Bad file descriptor) [pid 5227] exit_group(0) = ? [pid 5227] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./220/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./220/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./220/cgroup.cpu") = 0 [pid 5005] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./220/binderfs") = 0 [pid 5005] umount2("./220/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./220/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./220/cgroup") = 0 [pid 5005] umount2("./220/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./220/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./220/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./220") = 0 [pid 5005] mkdir("./221", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5228 attached [pid 5228] chdir("./221") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 223 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5228] setpgid(0, 0) = 0 [pid 5228] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5228] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5228] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1000", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5228] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 5228] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 5228] openat(3, "freezer.state", O_RDWR) = 4 [pid 5228] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 5228] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists) [pid 5228] close(3) = 0 [pid 5228] close(4) = 0 [pid 5228] close(5) = -1 EBADF (Bad file descriptor) [pid 5228] close(6) = -1 EBADF (Bad file descriptor) [pid 5228] close(7) = -1 EBADF (Bad file descriptor) [pid 5228] close(8) = -1 EBADF (Bad file descriptor) [pid 5228] close(9) = -1 EBADF (Bad file descriptor) [pid 5228] close(10) = -1 EBADF (Bad file descriptor) [pid 5228] close(11) = -1 EBADF (Bad file descriptor) [pid 5228] close(12) = -1 EBADF (Bad file descriptor) [pid 5228] close(13) = -1 EBADF (Bad file descriptor) [pid 5228] close(14) = -1 EBADF (Bad file descriptor) [pid 5228] close(15) = -1 EBADF (Bad file descriptor) [pid 5228] close(16) = -1 EBADF (Bad file descriptor) [pid 5228] close(17) = -1 EBADF (Bad file descriptor) [pid 5228] close(18) = -1 EBADF (Bad file descriptor) [pid 5228] close(19) = -1 EBADF (Bad file descriptor) [pid 5228] close(20) = -1 EBADF (Bad file descriptor) [pid 5228] close(21) = -1 EBADF (Bad file descriptor) [pid 5228] close(22) = -1 EBADF (Bad file descriptor) [pid 5228] close(23) = -1 EBADF (Bad file descriptor) [pid 5228] close(24) = -1 EBADF (Bad file descriptor) [pid 5228] close(25) = -1 EBADF (Bad file descriptor) [pid 5228] close(26) = -1 EBADF (Bad file descriptor) [pid 5228] close(27) = -1 EBADF (Bad file descriptor) [pid 5228] close(28) = -1 EBADF (Bad file descriptor) [pid 5228] close(29) = -1 EBADF (Bad file descriptor) [pid 5228] exit_group(0) = ? [pid 5228] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 6 entries */, 32768) = 176 [pid 5005] umount2("./221/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./221/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./221/cgroup.cpu") = 0 [pid 5005] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./221/binderfs") = 0 [pid 5005] umount2("./221/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./221/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5005] unlink("./221/cgroup") = 0 [pid 5005] umount2("./221/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./221/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5005] unlink("./221/cgroup.net") = 0 [pid 5005] getdents64(3, 0x5555570a4620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./221") = 0 [pid 5005] mkdir("./222", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5229 attached [pid 5229] chdir("./222") = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555570a35d0) = 224 [pid 5229] <... setpgid resumed>) = 0 [pid 5229] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5229] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5229] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5229] write(3, "1000", 4) = 4 [pid 5229] close(3) = 0 [pid 5229] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5229] mkd