./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1258456245
<...>
DUID 00:04:ef:48:41:79:0b:5e:d9:4d:76:cd:70:81:2e:69:59:2c
no interfaces have a carrier
[ 24.301529][ T4669] 8021q: adding VLAN 0 to HW filter on device bond0
[ 24.310698][ T4669] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.50' (ECDSA) to the list of known hosts.
execve("./syz-executor1258456245", ["./syz-executor1258456245"], 0x7fff17bb53d0 /* 10 vars */) = 0
brk(NULL) = 0x55555723f000
brk(0x55555723fc40) = 0x55555723fc40
arch_prctl(ARCH_SET_FS, 0x55555723f300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1258456245", 4096) = 28
brk(0x555557260c40) = 0x555557260c40
brk(0x555557261000) = 0x555557261000
mprotect(0x7f3dc9b91000, 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, "+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
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
syzkaller login: [ 45.566532][ T4999] cgroup: Unknown subsys name 'net'
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") = ? 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, "memory") = 0
umount2("/syzcgroup/cpu", 0) = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted)
[ 45.741406][ T4999] cgroup: Unknown subsys name 'rlimit'
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = 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() = 4999
mkdir("./syzkaller.8fABue", 0700) = 0
chmod("./syzkaller.8fABue", 0777) = 0
chdir("./syzkaller.8fABue") = 0
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 5000
./strace-static-x86_64: Process 5000 attached
[pid 5000] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid 5000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] setsid() = 1
[pid 5000] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid 5000] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid 5000] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid 5000] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid 5000] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid 5000] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid 5000] unshare(CLONE_NEWNS) = 0
[pid 5000] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 5000] unshare(CLONE_NEWIPC) = 0
[pid 5000] unshare(CLONE_NEWCGROUP) = 0
[pid 5000] unshare(CLONE_NEWUTS) = 0
[pid 5000] unshare(CLONE_SYSVSEM) = 0
[pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "16777216", 8) = 8
[pid 5000] close(3) = 0
[pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "536870912", 9) = 9
[pid 5000] close(3) = 0
[pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "1024", 4) = 4
[pid 5000] close(3) = 0
[pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "8192", 4) = 4
[pid 5000] close(3) = 0
[pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "1024", 4) = 4
[pid 5000] close(3) = 0
[pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "1024", 4) = 4
[pid 5000] close(3) = 0
[pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "1024 1048576 500 1024", 21) = 21
[pid 5000] close(3) = 0
[pid 5000] getpid() = 1
[pid 5000] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid 5000] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid 5000] unshare(CLONE_NEWNET) = 0
[pid 5000] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "0 65535", 7) = 7
[pid 5000] close(3) = 0
[pid 5000] mkdir("/dev/binderfs", 0777) = 0
[pid 5000] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid 5000] getpid() = 1
[pid 5000] mkdir("/syzcgroup/unified/syz0", 0777) = 0
[pid 5000] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "32", 2) = 2
[pid 5000] close(3) = 0
[pid 5000] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "1", 1) = 1
[pid 5000] close(3) = 0
[pid 5000] mkdir("/syzcgroup/cpu/syz0", 0777) = 0
[pid 5000] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "1", 1) = 1
[pid 5000] close(3) = 0
[pid 5000] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "313524224", 9) = 9
[pid 5000] close(3) = 0
[pid 5000] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "314572800", 9) = 9
[pid 5000] close(3) = 0
[pid 5000] mkdir("/syzcgroup/net/syz0", 0777) = 0
[pid 5000] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] write(3, "1", 1) = 1
[pid 5000] close(3) = 0
[pid 5000] mkdir("./0", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 2
./strace-static-x86_64: Process 5002 attached
[pid 5002] chdir("./0") = 0
[pid 5002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5002] setpgid(0, 0) = 0
[pid 5002] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5002] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5002] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5002] write(3, "1000", 4) = 4
[pid 5002] close(3) = 0
[pid 5002] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5002] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = 0
[pid 5002] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5002] openat(3, "freezer.state", O_RDWR) = 4
[pid 5002] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[ 45.953593][ T5002]
[ 45.955966][ T5002] ======================================================
[ 45.962981][ T5002] WARNING: possible circular locking dependency detected
[ 45.969990][ T5002] 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Not tainted
[ 45.977024][ T5002] ------------------------------------------------------
[ 45.984037][ T5002] syz-executor125/5002 is trying to acquire lock:
[ 45.990515][ T5002] ffffffff8c640a70 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc+0x13/0x30
[ 46.000258][ T5002]
[ 46.000258][ T5002] but task is already holding lock:
[ 46.007651][ T5002] ffffffff8c7ec528 (freezer_mutex){+.+.}-{3:3}, at: freezer_css_online+0x55/0x170
[ 46.016895][ T5002]
[ 46.016895][ T5002] which lock already depends on the new lock.
[ 46.016895][ T5002]
[ 46.027317][ T5002]
[ 46.027317][ T5002] the existing dependency chain (in reverse order) is:
[ 46.036360][ T5002]
[ 46.036360][ T5002] -> #1 (freezer_mutex){+.+.}-{3:3}:
[ 46.043867][ T5002] __mutex_lock+0x12f/0x1350
[ 46.049048][ T5002] freezer_write+0xa1/0xb50
[ 46.054071][ T5002] cgroup_file_write+0x1e2/0x7b0
[ 46.059529][ T5002] kernfs_fop_write_iter+0x3f1/0x600
[ 46.065345][ T5002] vfs_write+0x945/0xd50
[ 46.070102][ T5002] ksys_write+0x12b/0x250
[ 46.074995][ T5002] do_syscall_64+0x39/0xb0
[ 46.079928][ T5002] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 46.086351][ T5002]
[ 46.086351][ T5002] -> #0 (cpu_hotplug_lock){++++}-{0:0}:
[ 46.094075][ T5002] __lock_acquire+0x2fcd/0x5f30
[ 46.099455][ T5002] lock_acquire+0x1b1/0x520
[ 46.104568][ T5002] cpus_read_lock+0x42/0x160
[ 46.109693][ T5002] static_key_slow_inc+0x13/0x30
[ 46.115204][ T5002] freezer_css_online+0x102/0x170
[ 46.120741][ T5002] online_css+0xaf/0x2a0
[ 46.125498][ T5002] cgroup_apply_control_enable+0x69b/0xc00
[ 46.131842][ T5002] cgroup_mkdir+0x5b9/0x10b0
[ 46.136954][ T5002] kernfs_iop_mkdir+0x14a/0x1d0
[ 46.142336][ T5002] vfs_mkdir+0x242/0x460
[ 46.147090][ T5002] do_mkdirat+0x28d/0x310
[ 46.151955][ T5002] __x64_sys_mkdirat+0x119/0x170
[ 46.157493][ T5002] do_syscall_64+0x39/0xb0
[ 46.162416][ T5002] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 46.168955][ T5002]
[ 46.168955][ T5002] other info that might help us debug this:
[ 46.168955][ T5002]
[ 46.179212][ T5002] Possible unsafe locking scenario:
[ 46.179212][ T5002]
[ 46.186737][ T5002] CPU0 CPU1
[ 46.192092][ T5002] ---- ----
[ 46.197467][ T5002] lock(freezer_mutex);
[ 46.201700][ T5002] lock(cpu_hotplug_lock);
[ 46.208707][ T5002] lock(freezer_mutex);
[ 46.215470][ T5002] rlock(cpu_hotplug_lock);
[ 46.220074][ T5002]
[ 46.220074][ T5002] *** DEADLOCK ***
[ 46.220074][ T5002]
[ 46.228284][ T5002] 4 locks held by syz-executor125/5002:
[ 46.233824][ T5002] #0: ffff88807956a460 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0xf5/0x4a0
[ 46.243327][ T5002] #1: ffff888078747900 (&type->i_mutex_dir_key#7/1){+.+.}-{3:3}, at: filename_create+0x1ae/0x4a0
[ 46.254040][ T5002] #2: ffffffff8c7e1808 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_kn_lock_live+0x138/0x520
[ 46.263876][ T5002] #3: ffffffff8c7ec528 (freezer_mutex){+.+.}-{3:3}, at: freezer_css_online+0x55/0x170
[ 46.273705][ T5002]
[ 46.273705][ T5002] stack backtrace:
[ 46.279580][ T5002] CPU: 1 PID: 5002 Comm: syz-executor125 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
[ 46.290101][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 46.300149][ T5002] Call Trace:
[ 46.303417][ T5002] <TASK>
[ 46.306337][ T5002] dump_stack_lvl+0xd9/0x150
[ 46.310925][ T5002] check_noncircular+0x25f/0x2e0
[ 46.315864][ T5002] ? print_circular_bug+0x730/0x730
[ 46.321187][ T5002] ? __lock_acquire+0x1987/0x5f30
[ 46.326213][ T5002] __lock_acquire+0x2fcd/0x5f30
[ 46.331065][ T5002] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 46.337045][ T5002] ? rcu_is_watching+0x12/0xb0
[ 46.341824][ T5002] ? trace_contention_end+0xd8/0x100
[ 46.347104][ T5002] lock_acquire+0x1b1/0x520
[ 46.351691][ T5002] ? static_key_slow_inc+0x13/0x30
[ 46.356887][ T5002] ? lock_sync+0x190/0x190
[ 46.361304][ T5002] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 46.366850][ T5002] cpus_read_lock+0x42/0x160
[ 46.371446][ T5002] ? static_key_slow_inc+0x13/0x30
[ 46.376546][ T5002] static_key_slow_inc+0x13/0x30
[ 46.381472][ T5002] freezer_css_online+0x102/0x170
[ 46.386489][ T5002] ? freezer_css_offline+0xc0/0xc0
[ 46.391594][ T5002] online_css+0xaf/0x2a0
[ 46.395826][ T5002] cgroup_apply_control_enable+0x69b/0xc00
[ 46.401631][ T5002] cgroup_mkdir+0x5b9/0x10b0
[ 46.406213][ T5002] ? cgroup_destroy_locked+0x720/0x720
[ 46.411668][ T5002] kernfs_iop_mkdir+0x14a/0x1d0
[ 46.416518][ T5002] vfs_mkdir+0x242/0x460
[ 46.420757][ T5002] do_mkdirat+0x28d/0x310
[ 46.425086][ T5002] ? __ia32_sys_mknod+0xb0/0xb0
[ 46.429936][ T5002] ? getname_flags.part.0+0x1dd/0x4f0
[ 46.435310][ T5002] __x64_sys_mkdirat+0x119/0x170
[ 46.440359][ T5002] do_syscall_64+0x39/0xb0
[ 46.444857][ T5002] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 46.450758][ T5002] RIP: 0033:0x7f3dc9b22db9
[ 46.455170][ T5002] 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
[ 46.474907][ T5002] RSP: 002b:00007ffe81117d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 46.483332][ T5002] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3dc9b22db9
[ 46.491302][ T5002] RDX: 00000000000001ff RSI: 0000000020000180 RDI: 0000000000000003
[pid 5002] mkdirat(3, "syz0", 0777) = 0
[pid 5002] close(3) = 0
[pid 5002] close(4) = 0
[pid 5002] close(5) = -1 EBADF (Bad file descriptor)
[pid 5002] close(6) = -1 EBADF (Bad file descriptor)
[pid 5002] close(7) = -1 EBADF (Bad file descriptor)
[pid 5002] close(8) = -1 EBADF (Bad file descriptor)
[pid 5002] close(9) = -1 EBADF (Bad file descriptor)
[pid 5002] close(10) = -1 EBADF (Bad file descriptor)
[pid 5002] close(11) = -1 EBADF (Bad file descriptor)
[pid 5002] close(12) = -1 EBADF (Bad file descriptor)
[pid 5002] close(13) = -1 EBADF (Bad file descriptor)
[pid 5002] close(14) = -1 EBADF (Bad file descriptor)
[pid 5002] close(15) = -1 EBADF (Bad file descriptor)
[pid 5002] close(16) = -1 EBADF (Bad file descriptor)
[pid 5002] close(17) = -1 EBADF (Bad file descriptor)
[pid 5002] close(18) = -1 EBADF (Bad file descriptor)
[pid 5002] close(19) = -1 EBADF (Bad file descriptor)
[pid 5002] close(20) = -1 EBADF (Bad file descriptor)
[pid 5002] close(21) = -1 EBADF (Bad file descriptor)
[pid 5002] close(22) = -1 EBADF (Bad file descriptor)
[pid 5002] close(23) = -1 EBADF (Bad file descriptor)
[pid 5002] close(24) = -1 EBADF (Bad file descriptor)
[pid 5002] close(25) = -1 EBADF (Bad file descriptor)
[pid 5002] close(26) = -1 EBADF (Bad file descriptor)
[pid 5002] close(27) = -1 EBADF (Bad file descriptor)
[pid 5002] close(28) = -1 EBADF (Bad file descriptor)
[pid 5002] close(29) = -1 EBADF (Bad file descriptor)
[pid 5002] exit_group(0) = ?
[pid 5002] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./0/cgroup.cpu") = 0
[pid 5000] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./0/binderfs") = 0
[pid 5000] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./0/cgroup") = 0
[pid 5000] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./0/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./0") = 0
[pid 5000] mkdir("./1", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 3
./strace-static-x86_64: Process 5003 attached
[pid 5003] chdir("./1") = 0
[pid 5003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5003] setpgid(0, 0) = 0
[pid 5003] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5003] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5003] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5003] write(3, "1000", 4) = 4
[pid 5003] close(3) = 0
[pid 5003] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5003] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5003] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5003] openat(3, "freezer.state", O_RDWR) = 4
[pid 5003] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5003] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5003] close(3) = 0
[pid 5003] close(4) = 0
[pid 5003] close(5) = -1 EBADF (Bad file descriptor)
[pid 5003] close(6) = -1 EBADF (Bad file descriptor)
[pid 5003] close(7) = -1 EBADF (Bad file descriptor)
[pid 5003] close(8) = -1 EBADF (Bad file descriptor)
[pid 5003] close(9) = -1 EBADF (Bad file descriptor)
[pid 5003] close(10) = -1 EBADF (Bad file descriptor)
[pid 5003] close(11) = -1 EBADF (Bad file descriptor)
[pid 5003] close(12) = -1 EBADF (Bad file descriptor)
[pid 5003] close(13) = -1 EBADF (Bad file descriptor)
[pid 5003] close(14) = -1 EBADF (Bad file descriptor)
[pid 5003] close(15) = -1 EBADF (Bad file descriptor)
[pid 5003] close(16) = -1 EBADF (Bad file descriptor)
[pid 5003] close(17) = -1 EBADF (Bad file descriptor)
[pid 5003] close(18) = -1 EBADF (Bad file descriptor)
[pid 5003] close(19) = -1 EBADF (Bad file descriptor)
[pid 5003] close(20) = -1 EBADF (Bad file descriptor)
[pid 5003] close(21) = -1 EBADF (Bad file descriptor)
[pid 5003] close(22) = -1 EBADF (Bad file descriptor)
[pid 5003] close(23) = -1 EBADF (Bad file descriptor)
[pid 5003] close(24) = -1 EBADF (Bad file descriptor)
[pid 5003] close(25) = -1 EBADF (Bad file descriptor)
[pid 5003] close(26) = -1 EBADF (Bad file descriptor)
[pid 5003] close(27) = -1 EBADF (Bad file descriptor)
[pid 5003] close(28) = -1 EBADF (Bad file descriptor)
[pid 5003] close(29) = -1 EBADF (Bad file descriptor)
[pid 5003] exit_group(0) = ?
[pid 5003] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[ 46.499269][ T5002] RBP: 0000000000000000 R08: 00007ffe81117dc0 R09: 00007ffe81117dc0
[ 46.507230][ T5002] R10: 00007ffe81117dc0 R11: 0000000000000246 R12: 00007ffe81117dbc
[ 46.515196][ T5002] R13: 00007ffe81117dd0 R14: 00007ffe81117e10 R15: 0000000000000000
[ 46.523172][ T5002] </TASK>
[pid 5000] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./1/cgroup.cpu") = 0
[pid 5000] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./1/binderfs") = 0
[pid 5000] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./1/cgroup") = 0
[pid 5000] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./1/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./1") = 0
[pid 5000] mkdir("./2", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 4
./strace-static-x86_64: Process 5004 attached
[pid 5004] chdir("./2") = 0
[pid 5004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5004] setpgid(0, 0) = 0
[pid 5004] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5004] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5004] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5004] write(3, "1000", 4) = 4
[pid 5004] close(3) = 0
[pid 5004] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5004] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5004] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5004] openat(3, "freezer.state", O_RDWR) = 4
[pid 5004] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5004] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5004] close(3) = 0
[pid 5004] close(4) = 0
[pid 5004] close(5) = -1 EBADF (Bad file descriptor)
[pid 5004] close(6) = -1 EBADF (Bad file descriptor)
[pid 5004] close(7) = -1 EBADF (Bad file descriptor)
[pid 5004] close(8) = -1 EBADF (Bad file descriptor)
[pid 5004] close(9) = -1 EBADF (Bad file descriptor)
[pid 5004] close(10) = -1 EBADF (Bad file descriptor)
[pid 5004] close(11) = -1 EBADF (Bad file descriptor)
[pid 5004] close(12) = -1 EBADF (Bad file descriptor)
[pid 5004] close(13) = -1 EBADF (Bad file descriptor)
[pid 5004] close(14) = -1 EBADF (Bad file descriptor)
[pid 5004] close(15) = -1 EBADF (Bad file descriptor)
[pid 5004] close(16) = -1 EBADF (Bad file descriptor)
[pid 5004] close(17) = -1 EBADF (Bad file descriptor)
[pid 5004] close(18) = -1 EBADF (Bad file descriptor)
[pid 5004] close(19) = -1 EBADF (Bad file descriptor)
[pid 5004] close(20) = -1 EBADF (Bad file descriptor)
[pid 5004] close(21) = -1 EBADF (Bad file descriptor)
[pid 5004] close(22) = -1 EBADF (Bad file descriptor)
[pid 5004] close(23) = -1 EBADF (Bad file descriptor)
[pid 5004] close(24) = -1 EBADF (Bad file descriptor)
[pid 5004] close(25) = -1 EBADF (Bad file descriptor)
[pid 5004] close(26) = -1 EBADF (Bad file descriptor)
[pid 5004] close(27) = -1 EBADF (Bad file descriptor)
[pid 5004] close(28) = -1 EBADF (Bad file descriptor)
[pid 5004] close(29) = -1 EBADF (Bad file descriptor)
[pid 5004] exit_group(0) = ?
[pid 5004] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./2/cgroup.cpu") = 0
[pid 5000] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./2/binderfs") = 0
[pid 5000] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./2/cgroup") = 0
[pid 5000] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./2/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./2") = 0
[pid 5000] mkdir("./3", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5005 attached
<unfinished ...>
[pid 5005] chdir("./3") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 5
[pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5005] setpgid(0, 0) = 0
[pid 5005] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5005] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5005] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5005] write(3, "1000", 4) = 4
[pid 5005] close(3) = 0
[pid 5005] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5005] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5005] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5005] openat(3, "freezer.state", O_RDWR) = 4
[pid 5005] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5005] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5005] close(3) = 0
[pid 5005] close(4) = 0
[pid 5005] close(5) = -1 EBADF (Bad file descriptor)
[pid 5005] close(6) = -1 EBADF (Bad file descriptor)
[pid 5005] close(7) = -1 EBADF (Bad file descriptor)
[pid 5005] close(8) = -1 EBADF (Bad file descriptor)
[pid 5005] close(9) = -1 EBADF (Bad file descriptor)
[pid 5005] close(10) = -1 EBADF (Bad file descriptor)
[pid 5005] close(11) = -1 EBADF (Bad file descriptor)
[pid 5005] close(12) = -1 EBADF (Bad file descriptor)
[pid 5005] close(13) = -1 EBADF (Bad file descriptor)
[pid 5005] close(14) = -1 EBADF (Bad file descriptor)
[pid 5005] close(15) = -1 EBADF (Bad file descriptor)
[pid 5005] close(16) = -1 EBADF (Bad file descriptor)
[pid 5005] close(17) = -1 EBADF (Bad file descriptor)
[pid 5005] close(18) = -1 EBADF (Bad file descriptor)
[pid 5005] close(19) = -1 EBADF (Bad file descriptor)
[pid 5005] close(20) = -1 EBADF (Bad file descriptor)
[pid 5005] close(21) = -1 EBADF (Bad file descriptor)
[pid 5005] close(22) = -1 EBADF (Bad file descriptor)
[pid 5005] close(23) = -1 EBADF (Bad file descriptor)
[pid 5005] close(24) = -1 EBADF (Bad file descriptor)
[pid 5005] close(25) = -1 EBADF (Bad file descriptor)
[pid 5005] close(26) = -1 EBADF (Bad file descriptor)
[pid 5005] close(27) = -1 EBADF (Bad file descriptor)
[pid 5005] close(28) = -1 EBADF (Bad file descriptor)
[pid 5005] close(29) = -1 EBADF (Bad file descriptor)
[pid 5005] exit_group(0) = ?
[pid 5005] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./3/cgroup.cpu") = 0
[pid 5000] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./3/binderfs") = 0
[pid 5000] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./3/cgroup") = 0
[pid 5000] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./3/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./3") = 0
[pid 5000] mkdir("./4", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5006 attached
<unfinished ...>
[pid 5006] chdir("./4") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 6
[pid 5006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5006] setpgid(0, 0) = 0
[pid 5006] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5006] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5006] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5006] write(3, "1000", 4) = 4
[pid 5006] close(3) = 0
[pid 5006] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5006] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5006] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5006] openat(3, "freezer.state", O_RDWR) = 4
[pid 5006] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5006] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5006] close(3) = 0
[pid 5006] close(4) = 0
[pid 5006] close(5) = -1 EBADF (Bad file descriptor)
[pid 5006] close(6) = -1 EBADF (Bad file descriptor)
[pid 5006] close(7) = -1 EBADF (Bad file descriptor)
[pid 5006] close(8) = -1 EBADF (Bad file descriptor)
[pid 5006] close(9) = -1 EBADF (Bad file descriptor)
[pid 5006] close(10) = -1 EBADF (Bad file descriptor)
[pid 5006] close(11) = -1 EBADF (Bad file descriptor)
[pid 5006] close(12) = -1 EBADF (Bad file descriptor)
[pid 5006] close(13) = -1 EBADF (Bad file descriptor)
[pid 5006] close(14) = -1 EBADF (Bad file descriptor)
[pid 5006] close(15) = -1 EBADF (Bad file descriptor)
[pid 5006] close(16) = -1 EBADF (Bad file descriptor)
[pid 5006] close(17) = -1 EBADF (Bad file descriptor)
[pid 5006] close(18) = -1 EBADF (Bad file descriptor)
[pid 5006] close(19) = -1 EBADF (Bad file descriptor)
[pid 5006] close(20) = -1 EBADF (Bad file descriptor)
[pid 5006] close(21) = -1 EBADF (Bad file descriptor)
[pid 5006] close(22) = -1 EBADF (Bad file descriptor)
[pid 5006] close(23) = -1 EBADF (Bad file descriptor)
[pid 5006] close(24) = -1 EBADF (Bad file descriptor)
[pid 5006] close(25) = -1 EBADF (Bad file descriptor)
[pid 5006] close(26) = -1 EBADF (Bad file descriptor)
[pid 5006] close(27) = -1 EBADF (Bad file descriptor)
[pid 5006] close(28) = -1 EBADF (Bad file descriptor)
[pid 5006] close(29) = -1 EBADF (Bad file descriptor)
[pid 5006] exit_group(0) = ?
[pid 5006] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./4/cgroup.cpu") = 0
[pid 5000] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./4/binderfs") = 0
[pid 5000] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./4/cgroup") = 0
[pid 5000] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./4/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./4") = 0
[pid 5000] mkdir("./5", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5007 attached
<unfinished ...>
[pid 5007] chdir("./5") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 7
[pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5007] setpgid(0, 0) = 0
[pid 5007] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5007] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5007] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5007] write(3, "1000", 4) = 4
[pid 5007] close(3) = 0
[pid 5007] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5007] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5007] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5007] openat(3, "freezer.state", O_RDWR) = 4
[pid 5007] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5007] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./5/cgroup.cpu") = 0
[pid 5000] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./5/binderfs") = 0
[pid 5000] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./5/cgroup") = 0
[pid 5000] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./5/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./5") = 0
[pid 5000] mkdir("./6", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 8
./strace-static-x86_64: Process 5008 attached
[pid 5008] chdir("./6") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./6/cgroup.cpu") = 0
[pid 5000] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./6/binderfs") = 0
[pid 5000] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./6/cgroup") = 0
[pid 5000] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./6/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./6") = 0
[pid 5000] mkdir("./7", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 9
./strace-static-x86_64: Process 5009 attached
[pid 5009] chdir("./7") = 0
[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
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./7/cgroup.cpu") = 0
[pid 5000] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./7/binderfs") = 0
[pid 5000] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./7/cgroup") = 0
[pid 5000] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./7/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./7") = 0
[pid 5000] mkdir("./8", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 10
./strace-static-x86_64: Process 5010 attached
[pid 5010] chdir("./8") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./8/cgroup.cpu") = 0
[pid 5000] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./8/binderfs") = 0
[pid 5000] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./8/cgroup") = 0
[pid 5000] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./8/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./8") = 0
[pid 5000] mkdir("./9", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 11
./strace-static-x86_64: Process 5011 attached
[pid 5011] chdir("./9") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./9/cgroup.cpu") = 0
[pid 5000] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./9/binderfs") = 0
[pid 5000] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./9/cgroup") = 0
[pid 5000] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./9/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./9") = 0
[pid 5000] mkdir("./10", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5012 attached
<unfinished ...>
[pid 5012] chdir("./10") = 0
[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" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 12
[pid 5012] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./10/cgroup.cpu") = 0
[pid 5000] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./10/binderfs") = 0
[pid 5000] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./10/cgroup") = 0
[pid 5000] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./10/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./10") = 0
[pid 5000] mkdir("./11", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5013 attached
<unfinished ...>
[pid 5013] chdir("./11") = 0
[pid 5013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5013] setpgid(0, 0) = 0
[pid 5013] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 13
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./11/cgroup.cpu") = 0
[pid 5000] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./11/binderfs") = 0
[pid 5000] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./11/cgroup") = 0
[pid 5000] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./11/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./11") = 0
[pid 5000] mkdir("./12", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5014 attached
<unfinished ...>
[pid 5014] chdir("./12") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 14
[pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5014] setpgid(0, 0) = 0
[pid 5014] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./12/cgroup.cpu") = 0
[pid 5000] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./12/binderfs") = 0
[pid 5000] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./12/cgroup") = 0
[pid 5000] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./12/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./12") = 0
[pid 5000] mkdir("./13", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5015 attached
<unfinished ...>
[pid 5015] chdir("./13") = 0
[pid 5015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5015] setpgid(0, 0) = 0
[pid 5015] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5015] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 15
[pid 5015] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./13/cgroup.cpu") = 0
[pid 5000] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./13/binderfs") = 0
[pid 5000] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./13/cgroup") = 0
[pid 5000] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./13/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./13") = 0
[pid 5000] mkdir("./14", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 16
./strace-static-x86_64: Process 5016 attached
[pid 5016] chdir("./14") = 0
[pid 5016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./14/cgroup.cpu") = 0
[pid 5000] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./14/binderfs") = 0
[pid 5000] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./14/cgroup") = 0
[pid 5000] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./14/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./14") = 0
[pid 5000] mkdir("./15", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5017 attached
<unfinished ...>
[pid 5017] chdir("./15") = 0
[pid 5017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5017] setpgid(0, 0) = 0
[pid 5017] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 17
[pid 5017] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./15/cgroup.cpu") = 0
[pid 5000] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./15/binderfs") = 0
[pid 5000] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./15/cgroup") = 0
[pid 5000] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./15/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./15") = 0
[pid 5000] mkdir("./16", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5018 attached
<unfinished ...>
[pid 5018] chdir("./16") = 0
[pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5018] setpgid(0, 0) = 0
[pid 5018] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 18
[pid 5018] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./16/cgroup.cpu") = 0
[pid 5000] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./16/binderfs") = 0
[pid 5000] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./16/cgroup") = 0
[pid 5000] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./16/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./16") = 0
[pid 5000] mkdir("./17", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5019 attached
<unfinished ...>
[pid 5019] chdir("./17") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 19
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./17/cgroup.cpu") = 0
[pid 5000] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./17/binderfs") = 0
[pid 5000] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./17/cgroup") = 0
[pid 5000] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./17/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./17") = 0
[pid 5000] mkdir("./18", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5020 attached
<unfinished ...>
[pid 5020] chdir("./18") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 20
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./18/cgroup.cpu") = 0
[pid 5000] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./18/binderfs") = 0
[pid 5000] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./18/cgroup") = 0
[pid 5000] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./18/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./18") = 0
[pid 5000] mkdir("./19", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5021 attached
<unfinished ...>
[pid 5021] chdir("./19") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 21
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./19/cgroup.cpu") = 0
[pid 5000] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./19/binderfs") = 0
[pid 5000] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./19/cgroup") = 0
[pid 5000] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./19/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./19") = 0
[pid 5000] mkdir("./20", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5022 attached
<unfinished ...>
[pid 5022] chdir("./20") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 22
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./20/cgroup.cpu") = 0
[pid 5000] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./20/binderfs") = 0
[pid 5000] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./20/cgroup") = 0
[pid 5000] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./20/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./20") = 0
[pid 5000] mkdir("./21", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5023 attached
<unfinished ...>
[pid 5023] chdir("./21") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 23
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./21/cgroup.cpu") = 0
[pid 5000] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./21/binderfs") = 0
[pid 5000] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./21/cgroup") = 0
[pid 5000] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./21/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./21") = 0
[pid 5000] mkdir("./22", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 24
./strace-static-x86_64: Process 5024 attached
[pid 5024] chdir("./22") = 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") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./22/cgroup.cpu") = 0
[pid 5000] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./22/binderfs") = 0
[pid 5000] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./22/cgroup") = 0
[pid 5000] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./22/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./22") = 0
[pid 5000] mkdir("./23", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 25
./strace-static-x86_64: Process 5025 attached
[pid 5025] chdir("./23") = 0
[pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./23/cgroup.cpu") = 0
[pid 5000] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./23/binderfs") = 0
[pid 5000] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./23/cgroup") = 0
[pid 5000] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./23/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./23") = 0
[pid 5000] mkdir("./24", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 26
./strace-static-x86_64: Process 5026 attached
[pid 5026] chdir("./24") = 0
[pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./24/cgroup.cpu") = 0
[pid 5000] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./24/binderfs") = 0
[pid 5000] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./24/cgroup") = 0
[pid 5000] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./24/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./24") = 0
[pid 5000] mkdir("./25", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 27
./strace-static-x86_64: Process 5027 attached
[pid 5027] chdir("./25") = 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 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./25/cgroup.cpu") = 0
[pid 5000] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./25/binderfs") = 0
[pid 5000] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./25/cgroup") = 0
[pid 5000] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./25/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./25") = 0
[pid 5000] mkdir("./26", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5028 attached
<unfinished ...>
[pid 5028] chdir("./26") = 0
[pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5028] setpgid(0, 0) = 0
[pid 5028] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 28
[pid 5028] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./26/cgroup.cpu") = 0
[pid 5000] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./26/binderfs") = 0
[pid 5000] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./26/cgroup") = 0
[pid 5000] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./26/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./26") = 0
[pid 5000] mkdir("./27", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5029 attached
<unfinished ...>
[pid 5029] chdir("./27") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 29
[pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5029] setpgid(0, 0) = 0
[pid 5029] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./27/cgroup.cpu") = 0
[pid 5000] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./27/binderfs") = 0
[pid 5000] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./27/cgroup") = 0
[pid 5000] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./27/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./27") = 0
[pid 5000] mkdir("./28", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5030 attached
<unfinished ...>
[pid 5030] chdir("./28") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 30
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./28/cgroup.cpu") = 0
[pid 5000] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./28/binderfs") = 0
[pid 5000] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./28/cgroup") = 0
[pid 5000] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./28/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./28") = 0
[pid 5000] mkdir("./29", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5031 attached
<unfinished ...>
[pid 5031] chdir("./29" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 31
[pid 5031] <... chdir resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./29/cgroup.cpu") = 0
[pid 5000] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./29/binderfs") = 0
[pid 5000] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./29/cgroup") = 0
[pid 5000] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./29/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./29") = 0
[pid 5000] mkdir("./30", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 32
./strace-static-x86_64: Process 5032 attached
[pid 5032] chdir("./30") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./30/cgroup.cpu") = 0
[pid 5000] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./30/binderfs") = 0
[pid 5000] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./30/cgroup") = 0
[pid 5000] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./30/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./30") = 0
[pid 5000] mkdir("./31", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 33
./strace-static-x86_64: Process 5033 attached
[pid 5033] chdir("./31") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./31/cgroup.cpu") = 0
[pid 5000] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./31/binderfs") = 0
[pid 5000] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./31/cgroup") = 0
[pid 5000] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./31/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./31") = 0
[pid 5000] mkdir("./32", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 34
./strace-static-x86_64: Process 5034 attached
[pid 5034] chdir("./32") = 0
[pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5034] setpgid(0, 0) = 0
[pid 5034] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./32/cgroup.cpu") = 0
[pid 5000] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./32/binderfs") = 0
[pid 5000] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./32/cgroup") = 0
[pid 5000] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./32/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./32") = 0
[pid 5000] mkdir("./33", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5035 attached
<unfinished ...>
[pid 5035] chdir("./33" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 35
[pid 5035] <... chdir resumed>) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./33/cgroup.cpu") = 0
[pid 5000] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./33/binderfs") = 0
[pid 5000] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./33/cgroup") = 0
[pid 5000] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./33/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./33") = 0
[pid 5000] mkdir("./34", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5036 attached
<unfinished ...>
[pid 5036] chdir("./34") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 36
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./34/cgroup.cpu") = 0
[pid 5000] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./34/binderfs") = 0
[pid 5000] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./34/cgroup") = 0
[pid 5000] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./34/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./34") = 0
[pid 5000] mkdir("./35", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5037 attached
<unfinished ...>
[pid 5037] chdir("./35") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 37
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 5000] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./35/cgroup.cpu") = 0
[pid 5000] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./35/binderfs") = 0
[pid 5000] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./35/cgroup") = 0
[pid 5000] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./35/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./35") = 0
[pid 5000] mkdir("./36", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5038 attached
<unfinished ...>
[pid 5038] chdir("./36") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 38
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./36/cgroup.cpu") = 0
[pid 5000] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./36/binderfs") = 0
[pid 5000] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./36/cgroup") = 0
[pid 5000] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./36/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./36") = 0
[pid 5000] mkdir("./37", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5039 attached
<unfinished ...>
[pid 5039] chdir("./37") = 0
[pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5039] setpgid(0, 0) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 39
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./37/cgroup.cpu") = 0
[pid 5000] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./37/binderfs") = 0
[pid 5000] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./37/cgroup") = 0
[pid 5000] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./37/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./37") = 0
[pid 5000] mkdir("./38", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5040 attached
<unfinished ...>
[pid 5040] chdir("./38") = 0
[pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 40
[pid 5040] <... prctl resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./38/cgroup.cpu") = 0
[pid 5000] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./38/binderfs") = 0
[pid 5000] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./38/cgroup") = 0
[pid 5000] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./38/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./38") = 0
[pid 5000] mkdir("./39", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5041 attached
<unfinished ...>
[pid 5041] chdir("./39") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 41
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./39/cgroup.cpu") = 0
[pid 5000] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./39/binderfs") = 0
[pid 5000] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./39/cgroup") = 0
[pid 5000] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./39/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./39") = 0
[pid 5000] mkdir("./40", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 42
./strace-static-x86_64: Process 5042 attached
[pid 5042] chdir("./40") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./40/cgroup.cpu") = 0
[pid 5000] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./40/binderfs") = 0
[pid 5000] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./40/cgroup") = 0
[pid 5000] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./40/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./40") = 0
[pid 5000] mkdir("./41", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5043 attached
<unfinished ...>
[pid 5043] chdir("./41") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 43
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./41/cgroup.cpu") = 0
[pid 5000] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./41/binderfs") = 0
[pid 5000] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./41/cgroup") = 0
[pid 5000] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./41/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./41") = 0
[pid 5000] mkdir("./42", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5044 attached
<unfinished ...>
[pid 5044] chdir("./42") = 0
[pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5044] setpgid(0, 0) = 0
[pid 5044] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 44
[pid 5044] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./42/cgroup.cpu") = 0
[pid 5000] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./42/binderfs") = 0
[pid 5000] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./42/cgroup") = 0
[pid 5000] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./42/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./42") = 0
[pid 5000] mkdir("./43", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5045 attached
<unfinished ...>
[pid 5045] chdir("./43") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 45
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./43/cgroup.cpu") = 0
[pid 5000] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./43/binderfs") = 0
[pid 5000] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./43/cgroup") = 0
[pid 5000] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./43/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./43") = 0
[pid 5000] mkdir("./44", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5046 attached
<unfinished ...>
[pid 5046] chdir("./44") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 46
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./44/cgroup.cpu") = 0
[pid 5000] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./44/binderfs") = 0
[pid 5000] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./44/cgroup") = 0
[pid 5000] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./44/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./44") = 0
[pid 5000] mkdir("./45", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5047 attached
<unfinished ...>
[pid 5047] chdir("./45") = 0
[pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5047] setpgid(0, 0) = 0
[pid 5047] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 47
[pid 5047] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./45/cgroup.cpu") = 0
[pid 5000] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./45/binderfs") = 0
[pid 5000] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./45/cgroup") = 0
[pid 5000] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./45/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./45") = 0
[pid 5000] mkdir("./46", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5048 attached
<unfinished ...>
[pid 5048] chdir("./46") = 0
[pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5048] setpgid(0, 0) = 0
[pid 5048] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 48
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./46/cgroup.cpu") = 0
[pid 5000] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./46/binderfs") = 0
[pid 5000] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./46/cgroup") = 0
[pid 5000] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./46/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./46") = 0
[pid 5000] mkdir("./47", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5049 attached
<unfinished ...>
[pid 5049] chdir("./47") = 0
[pid 5049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5049] setpgid(0, 0) = 0
[pid 5049] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 49
[pid 5049] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./47/cgroup.cpu") = 0
[pid 5000] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./47/binderfs") = 0
[pid 5000] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./47/cgroup") = 0
[pid 5000] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./47/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./47") = 0
[pid 5000] mkdir("./48", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5050 attached
<unfinished ...>
[pid 5050] chdir("./48" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 50
[pid 5050] <... chdir resumed>) = 0
[pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5050] setpgid(0, 0) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./48/cgroup.cpu") = 0
[pid 5000] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./48/binderfs") = 0
[pid 5000] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./48/cgroup") = 0
[pid 5000] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./48/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./48") = 0
[pid 5000] mkdir("./49", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5051 attached
<unfinished ...>
[pid 5051] chdir("./49") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 51
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./49/cgroup.cpu") = 0
[pid 5000] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./49/binderfs") = 0
[pid 5000] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./49/cgroup") = 0
[pid 5000] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./49/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./49") = 0
[pid 5000] mkdir("./50", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 52
./strace-static-x86_64: Process 5052 attached
[pid 5052] chdir("./50") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./50/cgroup.cpu") = 0
[pid 5000] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./50/binderfs") = 0
[pid 5000] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./50/cgroup") = 0
[pid 5000] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./50/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./50") = 0
[pid 5000] mkdir("./51", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 53
./strace-static-x86_64: Process 5053 attached
[pid 5053] chdir("./51") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./51/cgroup.cpu") = 0
[pid 5000] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./51/binderfs") = 0
[pid 5000] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./51/cgroup") = 0
[pid 5000] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./51/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./51") = 0
[pid 5000] mkdir("./52", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5054 attached
<unfinished ...>
[pid 5054] chdir("./52") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 54
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./52/cgroup.cpu") = 0
[pid 5000] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./52/binderfs") = 0
[pid 5000] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./52/cgroup") = 0
[pid 5000] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./52/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./52") = 0
[pid 5000] mkdir("./53", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5055 attached
<unfinished ...>
[pid 5055] chdir("./53") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 55
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./53/cgroup.cpu") = 0
[pid 5000] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./53/binderfs") = 0
[pid 5000] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./53/cgroup") = 0
[pid 5000] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./53/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./53") = 0
[pid 5000] mkdir("./54", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 56
./strace-static-x86_64: Process 5056 attached
[pid 5056] chdir("./54") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./54/cgroup.cpu") = 0
[pid 5000] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./54/binderfs") = 0
[pid 5000] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./54/cgroup") = 0
[pid 5000] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./54/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./54") = 0
[pid 5000] mkdir("./55", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 57
./strace-static-x86_64: Process 5057 attached
[pid 5057] chdir("./55") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./55/cgroup.cpu") = 0
[pid 5000] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./55/binderfs") = 0
[pid 5000] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./55/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./55/cgroup") = 0
[pid 5000] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./55/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./55") = 0
[pid 5000] mkdir("./56", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 58
./strace-static-x86_64: Process 5058 attached
[pid 5058] chdir("./56") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./56/cgroup.cpu") = 0
[pid 5000] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./56/binderfs") = 0
[pid 5000] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./56/cgroup") = 0
[pid 5000] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./56/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./56") = 0
[pid 5000] mkdir("./57", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 59
./strace-static-x86_64: Process 5059 attached
[pid 5059] chdir("./57") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./57/cgroup.cpu") = 0
[pid 5000] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./57/binderfs") = 0
[pid 5000] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./57/cgroup") = 0
[pid 5000] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./57/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./57") = 0
[pid 5000] mkdir("./58", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 60
./strace-static-x86_64: Process 5060 attached
[pid 5060] chdir("./58") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./58/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./58/cgroup.cpu") = 0
[pid 5000] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./58/binderfs") = 0
[pid 5000] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./58/cgroup") = 0
[pid 5000] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./58/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./58") = 0
[pid 5000] mkdir("./59", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 61
./strace-static-x86_64: Process 5061 attached
[pid 5061] chdir("./59") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./59/cgroup.cpu") = 0
[pid 5000] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./59/binderfs") = 0
[pid 5000] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./59/cgroup") = 0
[pid 5000] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./59/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./59") = 0
[pid 5000] mkdir("./60", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5062 attached
<unfinished ...>
[pid 5062] chdir("./60") = 0
[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" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 62
[pid 5062] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./60/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./60/cgroup.cpu") = 0
[pid 5000] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./60/binderfs") = 0
[pid 5000] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./60/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./60/cgroup") = 0
[pid 5000] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./60/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./60/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./60") = 0
[pid 5000] mkdir("./61", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5063 attached
<unfinished ...>
[pid 5063] chdir("./61") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 63
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./61/cgroup.cpu") = 0
[pid 5000] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./61/binderfs") = 0
[pid 5000] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./61/cgroup") = 0
[pid 5000] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./61/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./61") = 0
[pid 5000] mkdir("./62", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5064 attached
<unfinished ...>
[pid 5064] chdir("./62") = 0
[pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 64
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./62/cgroup.cpu") = 0
[pid 5000] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./62/binderfs") = 0
[pid 5000] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./62/cgroup") = 0
[pid 5000] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./62/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./62") = 0
[pid 5000] mkdir("./63", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5065 attached
<unfinished ...>
[pid 5065] chdir("./63") = 0
[pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5065] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 65
[pid 5065] <... setpgid resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./63/cgroup.cpu") = 0
[pid 5000] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./63/binderfs") = 0
[pid 5000] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./63/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./63/cgroup") = 0
[pid 5000] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./63/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./63") = 0
[pid 5000] mkdir("./64", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5066 attached
<unfinished ...>
[pid 5066] chdir("./64") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 66
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./64/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./64/cgroup.cpu") = 0
[pid 5000] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./64/binderfs") = 0
[pid 5000] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./64/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./64/cgroup") = 0
[pid 5000] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./64/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./64/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./64") = 0
[pid 5000] mkdir("./65", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached
<unfinished ...>
[pid 5067] chdir("./65") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 67
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./65/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./65/cgroup.cpu") = 0
[pid 5000] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./65/binderfs") = 0
[pid 5000] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./65/cgroup") = 0
[pid 5000] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./65/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./65/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./65") = 0
[pid 5000] mkdir("./66", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached
<unfinished ...>
[pid 5068] chdir("./66") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 68
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./66/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./66/cgroup.cpu") = 0
[pid 5000] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./66/binderfs") = 0
[pid 5000] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./66/cgroup") = 0
[pid 5000] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./66/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./66/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./66") = 0
[pid 5000] mkdir("./67", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached
<unfinished ...>
[pid 5069] chdir("./67") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 69
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./67/cgroup.cpu") = 0
[pid 5000] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./67/binderfs") = 0
[pid 5000] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./67/cgroup") = 0
[pid 5000] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./67/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./67/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./67") = 0
[pid 5000] mkdir("./68", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached
, child_tidptr=0x55555723f5d0) = 70
[pid 5070] chdir("./68") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./68/cgroup.cpu") = 0
[pid 5000] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./68/binderfs") = 0
[pid 5000] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./68/cgroup") = 0
[pid 5000] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./68/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./68") = 0
[pid 5000] mkdir("./69", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 71
./strace-static-x86_64: Process 5071 attached
[pid 5071] chdir("./69") = 0
[pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5071] setpgid(0, 0) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./69/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./69/cgroup.cpu") = 0
[pid 5000] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./69/binderfs") = 0
[pid 5000] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./69/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./69/cgroup") = 0
[pid 5000] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./69/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./69/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./69") = 0
[pid 5000] mkdir("./70", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 72
./strace-static-x86_64: Process 5072 attached
[pid 5072] chdir("./70") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./70/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./70/cgroup.cpu") = 0
[pid 5000] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./70/binderfs") = 0
[pid 5000] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./70/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./70/cgroup") = 0
[pid 5000] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./70/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./70/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./70") = 0
[pid 5000] mkdir("./71", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 73
./strace-static-x86_64: Process 5073 attached
[pid 5073] chdir("./71") = 0
[pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./71/cgroup.cpu") = 0
[pid 5000] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./71/binderfs") = 0
[pid 5000] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./71/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./71/cgroup") = 0
[pid 5000] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./71/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./71/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./71") = 0
[pid 5000] mkdir("./72", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached
, child_tidptr=0x55555723f5d0) = 74
[pid 5074] chdir("./72") = 0
[pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5074] setpgid(0, 0) = 0
[pid 5074] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./72/cgroup.cpu") = 0
[pid 5000] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./72/binderfs") = 0
[pid 5000] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./72/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./72/cgroup") = 0
[pid 5000] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./72/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./72") = 0
[pid 5000] mkdir("./73", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached
, child_tidptr=0x55555723f5d0) = 75
[pid 5075] chdir("./73") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./73/cgroup.cpu") = 0
[pid 5000] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./73/binderfs") = 0
[pid 5000] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./73/cgroup") = 0
[pid 5000] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./73/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./73") = 0
[pid 5000] mkdir("./74", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 76
./strace-static-x86_64: Process 5076 attached
[pid 5076] chdir("./74") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./74/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./74/cgroup.cpu") = 0
[pid 5000] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./74/binderfs") = 0
[pid 5000] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./74/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./74/cgroup") = 0
[pid 5000] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./74/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./74/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./74") = 0
[pid 5000] mkdir("./75", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5077 attached
, child_tidptr=0x55555723f5d0) = 77
[pid 5077] chdir("./75") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./75/cgroup.cpu") = 0
[pid 5000] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./75/binderfs") = 0
[pid 5000] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./75/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./75/cgroup") = 0
[pid 5000] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./75/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./75") = 0
[pid 5000] mkdir("./76", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 78
./strace-static-x86_64: Process 5078 attached
[pid 5078] chdir("./76") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./76/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./76/cgroup.cpu") = 0
[pid 5000] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./76/binderfs") = 0
[pid 5000] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./76/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./76/cgroup") = 0
[pid 5000] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./76/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./76") = 0
[pid 5000] mkdir("./77", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached
, child_tidptr=0x55555723f5d0) = 79
[pid 5079] chdir("./77") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./77/cgroup.cpu") = 0
[pid 5000] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./77/binderfs") = 0
[pid 5000] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./77/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./77/cgroup") = 0
[pid 5000] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./77/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./77/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./77") = 0
[pid 5000] mkdir("./78", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 80
./strace-static-x86_64: Process 5080 attached
[pid 5080] chdir("./78") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./78/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./78/cgroup.cpu") = 0
[pid 5000] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./78/binderfs") = 0
[pid 5000] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./78/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./78/cgroup") = 0
[pid 5000] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./78/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./78/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./78") = 0
[pid 5000] mkdir("./79", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 81
./strace-static-x86_64: Process 5081 attached
[pid 5081] chdir("./79") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./79/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./79/cgroup.cpu") = 0
[pid 5000] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./79/binderfs") = 0
[pid 5000] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./79/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./79/cgroup") = 0
[pid 5000] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./79/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./79/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./79") = 0
[pid 5000] mkdir("./80", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 82
./strace-static-x86_64: Process 5082 attached
[pid 5082] chdir("./80") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./80/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./80/cgroup.cpu") = 0
[pid 5000] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./80/binderfs") = 0
[pid 5000] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./80/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./80/cgroup") = 0
[pid 5000] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./80/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./80/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./80") = 0
[pid 5000] mkdir("./81", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached
<unfinished ...>
[pid 5083] chdir("./81" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 83
[pid 5083] <... chdir resumed>) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./81/cgroup.cpu") = 0
[pid 5000] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./81/binderfs") = 0
[pid 5000] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./81/cgroup") = 0
[pid 5000] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./81/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./81") = 0
[pid 5000] mkdir("./82", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 84
./strace-static-x86_64: Process 5084 attached
[pid 5084] chdir("./82") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./82/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./82/cgroup.cpu") = 0
[pid 5000] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./82/binderfs") = 0
[pid 5000] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./82/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./82/cgroup") = 0
[pid 5000] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./82/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./82/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./82") = 0
[pid 5000] mkdir("./83", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5085 attached
<unfinished ...>
[pid 5085] chdir("./83") = 0
[pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 85
[pid 5085] <... prctl resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./83/cgroup.cpu") = 0
[pid 5000] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./83/binderfs") = 0
[pid 5000] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./83/cgroup") = 0
[pid 5000] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./83/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./83") = 0
[pid 5000] mkdir("./84", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached
<unfinished ...>
[pid 5086] chdir("./84") = 0
[pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5086] setpgid(0, 0) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 86
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./84/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./84/cgroup.cpu") = 0
[pid 5000] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./84/binderfs") = 0
[pid 5000] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./84/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./84/cgroup") = 0
[pid 5000] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./84/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./84") = 0
[pid 5000] mkdir("./85", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached
<unfinished ...>
[pid 5087] chdir("./85") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 87
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./85/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./85/cgroup.cpu") = 0
[pid 5000] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./85/binderfs") = 0
[pid 5000] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./85/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./85/cgroup") = 0
[pid 5000] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./85/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./85/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./85") = 0
[pid 5000] mkdir("./86", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached
<unfinished ...>
[pid 5088] chdir("./86") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 88
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./86/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./86/cgroup.cpu") = 0
[pid 5000] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./86/binderfs") = 0
[pid 5000] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./86/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./86/cgroup") = 0
[pid 5000] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./86/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./86") = 0
[pid 5000] mkdir("./87", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached
<unfinished ...>
[pid 5089] chdir("./87") = 0
[pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 89
[pid 5089] <... prctl resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./87/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./87/cgroup.cpu") = 0
[pid 5000] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./87/binderfs") = 0
[pid 5000] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./87/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./87/cgroup") = 0
[pid 5000] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./87/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./87") = 0
[pid 5000] mkdir("./88", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached
<unfinished ...>
[pid 5090] chdir("./88") = 0
[pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5090] setpgid(0, 0) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 90
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./88/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./88/cgroup.cpu") = 0
[pid 5000] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./88/binderfs") = 0
[pid 5000] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./88/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./88/cgroup") = 0
[pid 5000] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./88/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./88/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./88") = 0
[pid 5000] mkdir("./89", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached
<unfinished ...>
[pid 5091] chdir("./89") = 0
[pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5091] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 91
[pid 5091] <... setpgid resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./89/cgroup.cpu") = 0
[pid 5000] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./89/binderfs") = 0
[pid 5000] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./89/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./89/cgroup") = 0
[pid 5000] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./89/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./89/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./89") = 0
[pid 5000] mkdir("./90", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached
<unfinished ...>
[pid 5092] chdir("./90") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 92
[pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5092] setpgid(0, 0) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./90/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./90/cgroup.cpu") = 0
[pid 5000] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./90/binderfs") = 0
[pid 5000] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./90/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./90/cgroup") = 0
[pid 5000] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./90/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./90/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./90") = 0
[pid 5000] mkdir("./91", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached
<unfinished ...>
[pid 5093] chdir("./91") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 93
[pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./91/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./91/cgroup.cpu") = 0
[pid 5000] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./91/binderfs") = 0
[pid 5000] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./91/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./91/cgroup") = 0
[pid 5000] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./91/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./91/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./91") = 0
[pid 5000] mkdir("./92", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached
<unfinished ...>
[pid 5094] chdir("./92") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 94
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./92/cgroup.cpu") = 0
[pid 5000] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./92/binderfs") = 0
[pid 5000] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./92/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./92/cgroup") = 0
[pid 5000] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./92/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./92/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./92") = 0
[pid 5000] mkdir("./93", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached
<unfinished ...>
[pid 5095] chdir("./93" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 95
[pid 5095] <... chdir resumed>) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./93/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./93/cgroup.cpu") = 0
[pid 5000] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./93/binderfs") = 0
[pid 5000] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./93/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./93/cgroup") = 0
[pid 5000] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./93/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./93/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./93") = 0
[pid 5000] mkdir("./94", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached
<unfinished ...>
[pid 5096] chdir("./94" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 96
[pid 5096] <... chdir resumed>) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./94/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./94/cgroup.cpu") = 0
[pid 5000] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./94/binderfs") = 0
[pid 5000] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./94/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./94/cgroup") = 0
[pid 5000] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./94/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./94/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./94") = 0
[pid 5000] mkdir("./95", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 97
./strace-static-x86_64: Process 5097 attached
[pid 5097] chdir("./95") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./95/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./95/cgroup.cpu") = 0
[pid 5000] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./95/binderfs") = 0
[pid 5000] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./95/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./95/cgroup") = 0
[pid 5000] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./95/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./95/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./95") = 0
[pid 5000] mkdir("./96", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached
<unfinished ...>
[pid 5098] chdir("./96") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 98
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./96/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./96/cgroup.cpu") = 0
[pid 5000] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./96/binderfs") = 0
[pid 5000] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./96/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./96/cgroup") = 0
[pid 5000] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./96/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./96/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./96") = 0
[pid 5000] mkdir("./97", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached
<unfinished ...>
[pid 5099] chdir("./97") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 99
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./97/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./97/cgroup.cpu") = 0
[pid 5000] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./97/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./97/binderfs") = 0
[pid 5000] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./97/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./97/cgroup") = 0
[pid 5000] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./97/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./97/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./97") = 0
[pid 5000] mkdir("./98", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached
<unfinished ...>
[pid 5100] chdir("./98") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 100
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./98/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./98/cgroup.cpu") = 0
[pid 5000] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./98/binderfs") = 0
[pid 5000] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./98/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./98/cgroup") = 0
[pid 5000] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./98/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./98/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./98") = 0
[pid 5000] mkdir("./99", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached
<unfinished ...>
[pid 5101] chdir("./99") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 101
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./99/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./99/cgroup.cpu") = 0
[pid 5000] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./99/binderfs") = 0
[pid 5000] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./99/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./99/cgroup") = 0
[pid 5000] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./99/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./99/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./99") = 0
[pid 5000] mkdir("./100", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached
<unfinished ...>
[pid 5102] chdir("./100") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 102
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./100/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./100/cgroup.cpu") = 0
[pid 5000] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./100/binderfs") = 0
[pid 5000] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./100/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./100/cgroup") = 0
[pid 5000] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./100/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./100/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./100") = 0
[pid 5000] mkdir("./101", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
<unfinished ...>
[pid 5103] chdir("./101") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 103
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./101/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./101/cgroup.cpu") = 0
[pid 5000] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./101/binderfs") = 0
[pid 5000] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./101/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./101/cgroup") = 0
[pid 5000] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./101/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./101/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./101") = 0
[pid 5000] mkdir("./102", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 104
./strace-static-x86_64: Process 5104 attached
[pid 5104] chdir("./102") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./102/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./102/cgroup.cpu") = 0
[pid 5000] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./102/binderfs") = 0
[pid 5000] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./102/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./102/cgroup") = 0
[pid 5000] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./102/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./102/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./102") = 0
[pid 5000] mkdir("./103", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached
, child_tidptr=0x55555723f5d0) = 105
[pid 5105] chdir("./103") = 0
[pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5105] setpgid(0, 0) = 0
[pid 5105] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./103/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./103/cgroup.cpu") = 0
[pid 5000] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./103/binderfs") = 0
[pid 5000] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./103/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./103/cgroup") = 0
[pid 5000] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./103/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./103/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./103") = 0
[pid 5000] mkdir("./104", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 106
./strace-static-x86_64: Process 5106 attached
[pid 5106] chdir("./104") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./104/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./104/cgroup.cpu") = 0
[pid 5000] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./104/binderfs") = 0
[pid 5000] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./104/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./104/cgroup") = 0
[pid 5000] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./104/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./104/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./104") = 0
[pid 5000] mkdir("./105", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached
, child_tidptr=0x55555723f5d0) = 107
[pid 5107] chdir("./105") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./105/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./105/cgroup.cpu") = 0
[pid 5000] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./105/binderfs") = 0
[pid 5000] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./105/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./105/cgroup") = 0
[pid 5000] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./105/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./105/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./105") = 0
[pid 5000] mkdir("./106", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached
<unfinished ...>
[pid 5108] chdir("./106") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 108
[pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5108] setpgid(0, 0) = 0
[pid 5108] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./106/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./106/cgroup.cpu") = 0
[pid 5000] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./106/binderfs") = 0
[pid 5000] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./106/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./106/cgroup") = 0
[pid 5000] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./106/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./106/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./106") = 0
[pid 5000] mkdir("./107", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached
<unfinished ...>
[pid 5109] chdir("./107") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 109
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./107/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./107/cgroup.cpu") = 0
[pid 5000] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./107/binderfs") = 0
[pid 5000] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./107/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./107/cgroup") = 0
[pid 5000] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./107/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./107/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./107") = 0
[pid 5000] mkdir("./108", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached
<unfinished ...>
[pid 5110] chdir("./108") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 110
[pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./108/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./108/cgroup.cpu") = 0
[pid 5000] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./108/binderfs") = 0
[pid 5000] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./108/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./108/cgroup") = 0
[pid 5000] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./108/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./108/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./108") = 0
[pid 5000] mkdir("./109", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached
<unfinished ...>
[pid 5111] chdir("./109") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 111
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./109/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./109/cgroup.cpu") = 0
[pid 5000] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./109/binderfs") = 0
[pid 5000] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./109/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./109/cgroup") = 0
[pid 5000] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./109/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./109/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./109") = 0
[pid 5000] mkdir("./110", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached
<unfinished ...>
[pid 5112] chdir("./110") = 0
[pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5112] setpgid(0, 0) = 0
[pid 5112] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 112
[pid 5112] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./110/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./110/cgroup.cpu") = 0
[pid 5000] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./110/binderfs") = 0
[pid 5000] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./110/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./110/cgroup") = 0
[pid 5000] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./110/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./110/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./110") = 0
[pid 5000] mkdir("./111", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5113 attached
<unfinished ...>
[pid 5113] chdir("./111") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 113
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./111/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./111/cgroup.cpu") = 0
[pid 5000] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./111/binderfs") = 0
[pid 5000] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./111/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./111/cgroup") = 0
[pid 5000] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./111/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./111/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./111") = 0
[pid 5000] mkdir("./112", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached
, child_tidptr=0x55555723f5d0) = 114
[pid 5114] chdir("./112") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./112/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./112/cgroup.cpu") = 0
[pid 5000] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./112/binderfs") = 0
[pid 5000] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./112/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./112/cgroup") = 0
[pid 5000] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./112/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./112/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./112") = 0
[pid 5000] mkdir("./113", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5115 attached
, child_tidptr=0x55555723f5d0) = 115
[pid 5115] chdir("./113") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./113/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./113/cgroup.cpu") = 0
[pid 5000] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./113/binderfs") = 0
[pid 5000] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./113/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./113/cgroup") = 0
[pid 5000] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./113/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./113/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./113") = 0
[pid 5000] mkdir("./114", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 116
./strace-static-x86_64: Process 5116 attached
[pid 5116] chdir("./114") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./114/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./114/cgroup.cpu") = 0
[pid 5000] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./114/binderfs") = 0
[pid 5000] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./114/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./114/cgroup") = 0
[pid 5000] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./114/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./114/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./114") = 0
[pid 5000] mkdir("./115", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 117
./strace-static-x86_64: Process 5117 attached
[pid 5117] chdir("./115") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./115/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./115/cgroup.cpu") = 0
[pid 5000] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./115/binderfs") = 0
[pid 5000] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./115/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./115/cgroup") = 0
[pid 5000] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./115/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./115/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./115") = 0
[pid 5000] mkdir("./116", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached
, child_tidptr=0x55555723f5d0) = 118
[pid 5118] chdir("./116") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./116/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./116/cgroup.cpu") = 0
[pid 5000] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./116/binderfs") = 0
[pid 5000] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./116/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./116/cgroup") = 0
[pid 5000] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./116/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./116/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./116") = 0
[pid 5000] mkdir("./117", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 119
./strace-static-x86_64: Process 5119 attached
[pid 5119] chdir("./117") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./117/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./117/cgroup.cpu") = 0
[pid 5000] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./117/binderfs") = 0
[pid 5000] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./117/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./117/cgroup") = 0
[pid 5000] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./117/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./117/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./117") = 0
[pid 5000] mkdir("./118", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5120 attached
<unfinished ...>
[pid 5120] chdir("./118") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 120
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./118/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./118/cgroup.cpu") = 0
[pid 5000] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./118/binderfs") = 0
[pid 5000] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./118/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./118/cgroup") = 0
[pid 5000] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./118/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./118/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./118") = 0
[pid 5000] mkdir("./119", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5121 attached
<unfinished ...>
[pid 5121] chdir("./119") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 121
[pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./119/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./119/cgroup.cpu") = 0
[pid 5000] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./119/binderfs") = 0
[pid 5000] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./119/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./119/cgroup") = 0
[pid 5000] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./119/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./119/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./119") = 0
[pid 5000] mkdir("./120", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5122 attached
<unfinished ...>
[pid 5122] chdir("./120") = 0
[pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 122
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./120/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./120/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./120/cgroup.cpu") = 0
[pid 5000] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./120/binderfs") = 0
[pid 5000] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./120/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./120/cgroup") = 0
[pid 5000] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./120/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./120/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./120") = 0
[pid 5000] mkdir("./121", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5123 attached
<unfinished ...>
[pid 5123] chdir("./121") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 123
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./121/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./121/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./121/cgroup.cpu") = 0
[pid 5000] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./121/binderfs") = 0
[pid 5000] umount2("./121/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./121/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./121/cgroup") = 0
[pid 5000] umount2("./121/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./121/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./121/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./121") = 0
[pid 5000] mkdir("./122", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5124 attached
<unfinished ...>
[pid 5124] chdir("./122") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 124
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./122/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./122/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./122/cgroup.cpu") = 0
[pid 5000] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./122/binderfs") = 0
[pid 5000] umount2("./122/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./122/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./122/cgroup") = 0
[pid 5000] umount2("./122/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./122/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./122/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./122") = 0
[pid 5000] mkdir("./123", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5125 attached
<unfinished ...>
[pid 5125] chdir("./123") = 0
[pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5125] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 125
[pid 5125] <... setpgid resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./123/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./123/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./123/cgroup.cpu") = 0
[pid 5000] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./123/binderfs") = 0
[pid 5000] umount2("./123/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./123/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./123/cgroup") = 0
[pid 5000] umount2("./123/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./123/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./123/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./123") = 0
[pid 5000] mkdir("./124", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 126
./strace-static-x86_64: Process 5126 attached
[pid 5126] chdir("./124") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./124/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./124/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./124/cgroup.cpu") = 0
[pid 5000] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./124/binderfs") = 0
[pid 5000] umount2("./124/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./124/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./124/cgroup") = 0
[pid 5000] umount2("./124/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./124/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./124/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./124") = 0
[pid 5000] mkdir("./125", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5127 attached
<unfinished ...>
[pid 5127] chdir("./125" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 127
[pid 5127] <... chdir resumed>) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./125/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./125/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./125/cgroup.cpu") = 0
[pid 5000] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./125/binderfs") = 0
[pid 5000] umount2("./125/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./125/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./125/cgroup") = 0
[pid 5000] umount2("./125/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./125/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./125/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./125") = 0
[pid 5000] mkdir("./126", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5128 attached
<unfinished ...>
[pid 5128] chdir("./126") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 128
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./126/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./126/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./126/cgroup.cpu") = 0
[pid 5000] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./126/binderfs") = 0
[pid 5000] umount2("./126/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./126/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./126/cgroup") = 0
[pid 5000] umount2("./126/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./126/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./126/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./126") = 0
[pid 5000] mkdir("./127", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5129 attached
<unfinished ...>
[pid 5129] chdir("./127") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 129
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./127/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./127/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./127/cgroup.cpu") = 0
[pid 5000] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./127/binderfs") = 0
[pid 5000] umount2("./127/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./127/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./127/cgroup") = 0
[pid 5000] umount2("./127/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./127/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./127/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./127") = 0
[pid 5000] mkdir("./128", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5130 attached
<unfinished ...>
[pid 5130] chdir("./128") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 130
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./128/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./128/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./128/cgroup.cpu") = 0
[pid 5000] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./128/binderfs") = 0
[pid 5000] umount2("./128/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./128/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./128/cgroup") = 0
[pid 5000] umount2("./128/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./128/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./128/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./128") = 0
[pid 5000] mkdir("./129", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5131 attached
<unfinished ...>
[pid 5131] chdir("./129") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 131
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./129/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./129/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./129/cgroup.cpu") = 0
[pid 5000] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./129/binderfs") = 0
[pid 5000] umount2("./129/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./129/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./129/cgroup") = 0
[pid 5000] umount2("./129/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./129/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./129/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./129") = 0
[pid 5000] mkdir("./130", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5132 attached
<unfinished ...>
[pid 5132] chdir("./130" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 132
[pid 5132] <... chdir resumed>) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./130/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./130/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./130/cgroup.cpu") = 0
[pid 5000] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./130/binderfs") = 0
[pid 5000] umount2("./130/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./130/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./130/cgroup") = 0
[pid 5000] umount2("./130/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./130/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./130/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./130") = 0
[pid 5000] mkdir("./131", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5133 attached
<unfinished ...>
[pid 5133] chdir("./131") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 133
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./131/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./131/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./131/cgroup.cpu") = 0
[pid 5000] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./131/binderfs") = 0
[pid 5000] umount2("./131/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./131/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./131/cgroup") = 0
[pid 5000] umount2("./131/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./131/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./131/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./131") = 0
[pid 5000] mkdir("./132", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5134 attached
<unfinished ...>
[pid 5134] chdir("./132") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 134
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./132/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./132/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./132/cgroup.cpu") = 0
[pid 5000] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./132/binderfs") = 0
[pid 5000] umount2("./132/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./132/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./132/cgroup") = 0
[pid 5000] umount2("./132/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./132/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./132/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./132") = 0
[pid 5000] mkdir("./133", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5135 attached
<unfinished ...>
[pid 5135] chdir("./133") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 135
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./133/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./133/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./133/cgroup.cpu") = 0
[pid 5000] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./133/binderfs") = 0
[pid 5000] umount2("./133/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./133/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./133/cgroup") = 0
[pid 5000] umount2("./133/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./133/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./133/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./133") = 0
[pid 5000] mkdir("./134", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 136
./strace-static-x86_64: Process 5136 attached
[pid 5136] chdir("./134") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./134/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./134/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./134/cgroup.cpu") = 0
[pid 5000] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./134/binderfs") = 0
[pid 5000] umount2("./134/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./134/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./134/cgroup") = 0
[pid 5000] umount2("./134/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./134/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./134/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./134") = 0
[pid 5000] mkdir("./135", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5137 attached
<unfinished ...>
[pid 5137] chdir("./135") = 0
[pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 137
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./135/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./135/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./135/cgroup.cpu") = 0
[pid 5000] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./135/binderfs") = 0
[pid 5000] umount2("./135/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./135/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./135/cgroup") = 0
[pid 5000] umount2("./135/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./135/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./135/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./135") = 0
[pid 5000] mkdir("./136", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5138 attached
<unfinished ...>
[pid 5138] chdir("./136") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 138
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./136/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./136/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./136/cgroup.cpu") = 0
[pid 5000] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./136/binderfs") = 0
[pid 5000] umount2("./136/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./136/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./136/cgroup") = 0
[pid 5000] umount2("./136/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./136/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./136/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./136") = 0
[pid 5000] mkdir("./137", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5139 attached
<unfinished ...>
[pid 5139] chdir("./137") = 0
[pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5139] setpgid(0, 0) = 0
[pid 5139] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 139
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./137/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./137/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./137/cgroup.cpu") = 0
[pid 5000] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./137/binderfs") = 0
[pid 5000] umount2("./137/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./137/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./137/cgroup") = 0
[pid 5000] umount2("./137/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./137/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./137/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./137") = 0
[pid 5000] mkdir("./138", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5140 attached
<unfinished ...>
[pid 5140] chdir("./138") = 0
[pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 140
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./138/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./138/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./138/cgroup.cpu") = 0
[pid 5000] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./138/binderfs") = 0
[pid 5000] umount2("./138/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./138/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./138/cgroup") = 0
[pid 5000] umount2("./138/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./138/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./138/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./138") = 0
[pid 5000] mkdir("./139", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5141 attached
<unfinished ...>
[pid 5141] chdir("./139") = 0
[pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 141
[pid 5141] <... prctl resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./139/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./139/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./139/cgroup.cpu") = 0
[pid 5000] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./139/binderfs") = 0
[pid 5000] umount2("./139/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./139/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./139/cgroup") = 0
[pid 5000] umount2("./139/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./139/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./139/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./139") = 0
[pid 5000] mkdir("./140", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5142 attached
<unfinished ...>
[pid 5142] chdir("./140") = 0
[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 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 142
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./140/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./140/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./140/cgroup.cpu") = 0
[pid 5000] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./140/binderfs") = 0
[pid 5000] umount2("./140/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./140/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./140/cgroup") = 0
[pid 5000] umount2("./140/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./140/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./140/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./140") = 0
[pid 5000] mkdir("./141", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 143
./strace-static-x86_64: Process 5143 attached
[pid 5143] chdir("./141") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./141/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./141/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./141/cgroup.cpu") = 0
[pid 5000] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./141/binderfs") = 0
[pid 5000] umount2("./141/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./141/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./141/cgroup") = 0
[pid 5000] umount2("./141/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./141/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./141/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./141") = 0
[pid 5000] mkdir("./142", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 144
./strace-static-x86_64: Process 5144 attached
[pid 5144] chdir("./142") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./142/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./142/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./142/cgroup.cpu") = 0
[pid 5000] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./142/binderfs") = 0
[pid 5000] umount2("./142/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./142/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./142/cgroup") = 0
[pid 5000] umount2("./142/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./142/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./142/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./142") = 0
[pid 5000] mkdir("./143", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5145 attached
<unfinished ...>
[pid 5145] chdir("./143") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 145
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./143/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./143/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./143/cgroup.cpu") = 0
[pid 5000] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./143/binderfs") = 0
[pid 5000] umount2("./143/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./143/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./143/cgroup") = 0
[pid 5000] umount2("./143/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./143/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./143/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./143") = 0
[pid 5000] mkdir("./144", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 146
./strace-static-x86_64: Process 5146 attached
[pid 5146] chdir("./144") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./144/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./144/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./144/cgroup.cpu") = 0
[pid 5000] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./144/binderfs") = 0
[pid 5000] umount2("./144/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./144/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./144/cgroup") = 0
[pid 5000] umount2("./144/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./144/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./144/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./144") = 0
[pid 5000] mkdir("./145", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 147
./strace-static-x86_64: Process 5147 attached
[pid 5147] chdir("./145") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./145/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./145/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./145/cgroup.cpu") = 0
[pid 5000] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./145/binderfs") = 0
[pid 5000] umount2("./145/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./145/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./145/cgroup") = 0
[pid 5000] umount2("./145/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./145/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./145/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./145") = 0
[pid 5000] mkdir("./146", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 148
./strace-static-x86_64: Process 5148 attached
[pid 5148] chdir("./146") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./146/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./146/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./146/cgroup.cpu") = 0
[pid 5000] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./146/binderfs") = 0
[pid 5000] umount2("./146/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./146/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./146/cgroup") = 0
[pid 5000] umount2("./146/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./146/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./146/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./146") = 0
[pid 5000] mkdir("./147", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 149
./strace-static-x86_64: Process 5149 attached
[pid 5149] chdir("./147") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./147/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./147/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./147/cgroup.cpu") = 0
[pid 5000] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./147/binderfs") = 0
[pid 5000] umount2("./147/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./147/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./147/cgroup") = 0
[pid 5000] umount2("./147/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./147/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./147/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./147") = 0
[pid 5000] mkdir("./148", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 150
./strace-static-x86_64: Process 5150 attached
[pid 5150] chdir("./148") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./148/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./148/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./148/cgroup.cpu") = 0
[pid 5000] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./148/binderfs") = 0
[pid 5000] umount2("./148/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./148/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./148/cgroup") = 0
[pid 5000] umount2("./148/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./148/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./148/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./148") = 0
[pid 5000] mkdir("./149", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 151
./strace-static-x86_64: Process 5151 attached
[pid 5151] chdir("./149") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./149/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./149/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./149/cgroup.cpu") = 0
[pid 5000] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./149/binderfs") = 0
[pid 5000] umount2("./149/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./149/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./149/cgroup") = 0
[pid 5000] umount2("./149/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./149/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./149/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./149") = 0
[pid 5000] mkdir("./150", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5152 attached
<unfinished ...>
[pid 5152] chdir("./150") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 152
[pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./150/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./150/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./150/cgroup.cpu") = 0
[pid 5000] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./150/binderfs") = 0
[pid 5000] umount2("./150/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./150/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./150/cgroup") = 0
[pid 5000] umount2("./150/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./150/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./150/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./150") = 0
[pid 5000] mkdir("./151", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 153
./strace-static-x86_64: Process 5153 attached
[pid 5153] chdir("./151") = 0
[pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5153] setpgid(0, 0) = 0
[pid 5153] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./151/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./151/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./151/cgroup.cpu") = 0
[pid 5000] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./151/binderfs") = 0
[pid 5000] umount2("./151/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./151/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./151/cgroup") = 0
[pid 5000] umount2("./151/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./151/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./151/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./151") = 0
[pid 5000] mkdir("./152", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 154
./strace-static-x86_64: Process 5154 attached
[pid 5154] chdir("./152") = 0
[pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5154] setpgid(0, 0) = 0
[pid 5154] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./152/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./152/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./152/cgroup.cpu") = 0
[pid 5000] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./152/binderfs") = 0
[pid 5000] umount2("./152/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./152/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./152/cgroup") = 0
[pid 5000] umount2("./152/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./152/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./152/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./152") = 0
[pid 5000] mkdir("./153", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5155 attached
<unfinished ...>
[pid 5155] chdir("./153" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 155
[pid 5155] <... chdir resumed>) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./153/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./153/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./153/cgroup.cpu") = 0
[pid 5000] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./153/binderfs") = 0
[pid 5000] umount2("./153/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./153/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./153/cgroup") = 0
[pid 5000] umount2("./153/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./153/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./153/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./153") = 0
[pid 5000] mkdir("./154", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 156
./strace-static-x86_64: Process 5156 attached
[pid 5156] chdir("./154") = 0
[pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./154/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./154/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./154/cgroup.cpu") = 0
[pid 5000] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./154/binderfs") = 0
[pid 5000] umount2("./154/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./154/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./154/cgroup") = 0
[pid 5000] umount2("./154/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./154/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./154/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./154") = 0
[pid 5000] mkdir("./155", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5157 attached
<unfinished ...>
[pid 5157] chdir("./155") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 157
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./155/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./155/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./155/cgroup.cpu") = 0
[pid 5000] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./155/binderfs") = 0
[pid 5000] umount2("./155/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./155/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./155/cgroup") = 0
[pid 5000] umount2("./155/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./155/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./155/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./155") = 0
[pid 5000] mkdir("./156", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5158 attached
<unfinished ...>
[pid 5158] chdir("./156") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 158
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./156/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./156/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./156/cgroup.cpu") = 0
[pid 5000] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./156/binderfs") = 0
[pid 5000] umount2("./156/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./156/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./156/cgroup") = 0
[pid 5000] umount2("./156/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./156/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./156/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./156") = 0
[pid 5000] mkdir("./157", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5159 attached
<unfinished ...>
[pid 5159] chdir("./157") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 159
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./157/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./157/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./157/cgroup.cpu") = 0
[pid 5000] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./157/binderfs") = 0
[pid 5000] umount2("./157/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./157/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./157/cgroup") = 0
[pid 5000] umount2("./157/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./157/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./157/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./157") = 0
[pid 5000] mkdir("./158", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5160 attached
<unfinished ...>
[pid 5160] chdir("./158") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 160
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./158/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./158/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./158/cgroup.cpu") = 0
[pid 5000] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./158/binderfs") = 0
[pid 5000] umount2("./158/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./158/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./158/cgroup") = 0
[pid 5000] umount2("./158/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./158/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./158/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./158") = 0
[pid 5000] mkdir("./159", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5161 attached
<unfinished ...>
[pid 5161] chdir("./159") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 161
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./159/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./159/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./159/cgroup.cpu") = 0
[pid 5000] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./159/binderfs") = 0
[pid 5000] umount2("./159/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./159/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./159/cgroup") = 0
[pid 5000] umount2("./159/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./159/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./159/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./159") = 0
[pid 5000] mkdir("./160", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5162 attached
<unfinished ...>
[pid 5162] chdir("./160") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 162
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./160/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./160/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./160/cgroup.cpu") = 0
[pid 5000] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./160/binderfs") = 0
[pid 5000] umount2("./160/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./160/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./160/cgroup") = 0
[pid 5000] umount2("./160/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./160/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./160/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./160") = 0
[pid 5000] mkdir("./161", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5163 attached
<unfinished ...>
[pid 5163] chdir("./161") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 163
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./161/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./161/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./161/cgroup.cpu") = 0
[pid 5000] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./161/binderfs") = 0
[pid 5000] umount2("./161/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./161/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./161/cgroup") = 0
[pid 5000] umount2("./161/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./161/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./161/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./161") = 0
[pid 5000] mkdir("./162", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5164 attached
<unfinished ...>
[pid 5164] chdir("./162") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 164
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./162/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./162/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./162/cgroup.cpu") = 0
[pid 5000] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./162/binderfs") = 0
[pid 5000] umount2("./162/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./162/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./162/cgroup") = 0
[pid 5000] umount2("./162/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./162/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./162/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./162") = 0
[pid 5000] mkdir("./163", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 165
./strace-static-x86_64: Process 5165 attached
[pid 5165] chdir("./163") = 0
[pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5165] setpgid(0, 0) = 0
[pid 5165] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./163/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./163/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./163/cgroup.cpu") = 0
[pid 5000] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./163/binderfs") = 0
[pid 5000] umount2("./163/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./163/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./163/cgroup") = 0
[pid 5000] umount2("./163/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./163/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./163/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./163") = 0
[pid 5000] mkdir("./164", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5166 attached
, child_tidptr=0x55555723f5d0) = 166
[pid 5166] chdir("./164") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./164/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./164/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./164/cgroup.cpu") = 0
[pid 5000] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./164/binderfs") = 0
[pid 5000] umount2("./164/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./164/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./164/cgroup") = 0
[pid 5000] umount2("./164/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./164/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./164/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./164") = 0
[pid 5000] mkdir("./165", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5167 attached
<unfinished ...>
[pid 5167] chdir("./165") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 167
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./165/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./165/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./165/cgroup.cpu") = 0
[pid 5000] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./165/binderfs") = 0
[pid 5000] umount2("./165/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./165/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./165/cgroup") = 0
[pid 5000] umount2("./165/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./165/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./165/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./165") = 0
[pid 5000] mkdir("./166", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5168 attached
<unfinished ...>
[pid 5168] chdir("./166") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 168
[pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./166/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./166/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./166/cgroup.cpu") = 0
[pid 5000] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./166/binderfs") = 0
[pid 5000] umount2("./166/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./166/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./166/cgroup") = 0
[pid 5000] umount2("./166/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./166/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./166/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./166") = 0
[pid 5000] mkdir("./167", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5169 attached
<unfinished ...>
[pid 5169] chdir("./167") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 169
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./167/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./167/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./167/cgroup.cpu") = 0
[pid 5000] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./167/binderfs") = 0
[pid 5000] umount2("./167/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./167/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./167/cgroup") = 0
[pid 5000] umount2("./167/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./167/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./167/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./167") = 0
[pid 5000] mkdir("./168", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5170 attached
<unfinished ...>
[pid 5170] chdir("./168") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 170
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./168/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./168/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./168/cgroup.cpu") = 0
[pid 5000] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./168/binderfs") = 0
[pid 5000] umount2("./168/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./168/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./168/cgroup") = 0
[pid 5000] umount2("./168/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./168/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./168/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./168") = 0
[pid 5000] mkdir("./169", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5171 attached
<unfinished ...>
[pid 5171] chdir("./169") = 0
[pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 171
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./169/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./169/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./169/cgroup.cpu") = 0
[pid 5000] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./169/binderfs") = 0
[pid 5000] umount2("./169/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./169/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./169/cgroup") = 0
[pid 5000] umount2("./169/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./169/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./169/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./169") = 0
[pid 5000] mkdir("./170", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5172 attached
<unfinished ...>
[pid 5172] chdir("./170") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 172
[pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5172] setpgid(0, 0) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./170/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./170/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./170/cgroup.cpu") = 0
[pid 5000] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./170/binderfs") = 0
[pid 5000] umount2("./170/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./170/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./170/cgroup") = 0
[pid 5000] umount2("./170/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./170/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./170/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./170") = 0
[pid 5000] mkdir("./171", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5173 attached
<unfinished ...>
[pid 5173] chdir("./171") = 0
[pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 173
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./171/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./171/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./171/cgroup.cpu") = 0
[pid 5000] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./171/binderfs") = 0
[pid 5000] umount2("./171/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./171/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./171/cgroup") = 0
[pid 5000] umount2("./171/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./171/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./171/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./171") = 0
[pid 5000] mkdir("./172", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5174 attached
<unfinished ...>
[pid 5174] chdir("./172") = 0
[pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 174
[pid 5174] <... prctl resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./172/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./172/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./172/cgroup.cpu") = 0
[pid 5000] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./172/binderfs") = 0
[pid 5000] umount2("./172/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./172/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./172/cgroup") = 0
[pid 5000] umount2("./172/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./172/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./172/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./172") = 0
[pid 5000] mkdir("./173", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5175 attached
<unfinished ...>
[pid 5175] chdir("./173") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 175
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./173/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./173/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./173/cgroup.cpu") = 0
[pid 5000] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./173/binderfs") = 0
[pid 5000] umount2("./173/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./173/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./173/cgroup") = 0
[pid 5000] umount2("./173/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./173/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./173/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./173") = 0
[pid 5000] mkdir("./174", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5176 attached
<unfinished ...>
[pid 5176] chdir("./174") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 176
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./174/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./174/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./174/cgroup.cpu") = 0
[pid 5000] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./174/binderfs") = 0
[pid 5000] umount2("./174/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./174/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./174/cgroup") = 0
[pid 5000] umount2("./174/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./174/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./174/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./174") = 0
[pid 5000] mkdir("./175", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5177 attached
<unfinished ...>
[pid 5177] chdir("./175") = 0
[pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 177
[pid 5177] <... prctl resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./175/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./175/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./175/cgroup.cpu") = 0
[pid 5000] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./175/binderfs") = 0
[pid 5000] umount2("./175/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./175/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./175/cgroup") = 0
[pid 5000] umount2("./175/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./175/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./175/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./175") = 0
[pid 5000] mkdir("./176", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5178 attached
<unfinished ...>
[pid 5178] chdir("./176") = 0
[pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 178
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./176/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./176/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./176/cgroup.cpu") = 0
[pid 5000] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./176/binderfs") = 0
[pid 5000] umount2("./176/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./176/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./176/cgroup") = 0
[pid 5000] umount2("./176/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./176/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./176/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./176") = 0
[pid 5000] mkdir("./177", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5179 attached
<unfinished ...>
[pid 5179] chdir("./177") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 179
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./177/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./177/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./177/cgroup.cpu") = 0
[pid 5000] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./177/binderfs") = 0
[pid 5000] umount2("./177/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./177/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./177/cgroup") = 0
[pid 5000] umount2("./177/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./177/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./177/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./177") = 0
[pid 5000] mkdir("./178", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5180 attached
<unfinished ...>
[pid 5180] chdir("./178") = 0
[pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 180
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./178/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./178/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./178/cgroup.cpu") = 0
[pid 5000] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./178/binderfs") = 0
[pid 5000] umount2("./178/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./178/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./178/cgroup") = 0
[pid 5000] umount2("./178/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./178/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./178/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./178") = 0
[pid 5000] mkdir("./179", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5181 attached
<unfinished ...>
[pid 5181] chdir("./179") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 181
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./179/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./179/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./179/cgroup.cpu") = 0
[pid 5000] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./179/binderfs") = 0
[pid 5000] umount2("./179/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./179/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./179/cgroup") = 0
[pid 5000] umount2("./179/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./179/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./179/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./179") = 0
[pid 5000] mkdir("./180", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5182 attached
<unfinished ...>
[pid 5182] chdir("./180" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 182
[pid 5182] <... chdir resumed>) = 0
[pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./180/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./180/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./180/cgroup.cpu") = 0
[pid 5000] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./180/binderfs") = 0
[pid 5000] umount2("./180/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./180/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./180/cgroup") = 0
[pid 5000] umount2("./180/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./180/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./180/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./180") = 0
[pid 5000] mkdir("./181", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5183 attached
<unfinished ...>
[pid 5183] chdir("./181") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 183
[pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./181/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./181/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./181/cgroup.cpu") = 0
[pid 5000] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./181/binderfs") = 0
[pid 5000] umount2("./181/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./181/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./181/cgroup") = 0
[pid 5000] umount2("./181/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./181/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./181/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./181") = 0
[pid 5000] mkdir("./182", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 184
./strace-static-x86_64: Process 5184 attached
[pid 5184] chdir("./182") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./182/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./182/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./182/cgroup.cpu") = 0
[pid 5000] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./182/binderfs") = 0
[pid 5000] umount2("./182/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./182/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./182/cgroup") = 0
[pid 5000] umount2("./182/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./182/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./182/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./182") = 0
[pid 5000] mkdir("./183", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5185 attached
<unfinished ...>
[pid 5185] chdir("./183") = 0
[pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 185
[pid 5185] <... prctl resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./183/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./183/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./183/cgroup.cpu") = 0
[pid 5000] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./183/binderfs") = 0
[pid 5000] umount2("./183/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./183/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./183/cgroup") = 0
[pid 5000] umount2("./183/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./183/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./183/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./183") = 0
[pid 5000] mkdir("./184", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5186 attached
<unfinished ...>
[pid 5186] chdir("./184") = 0
[pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5186] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 186
[pid 5186] <... setpgid resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./184/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./184/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./184/cgroup.cpu") = 0
[pid 5000] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./184/binderfs") = 0
[pid 5000] umount2("./184/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./184/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./184/cgroup") = 0
[pid 5000] umount2("./184/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./184/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./184/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./184") = 0
[pid 5000] mkdir("./185", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5187 attached
<unfinished ...>
[pid 5187] chdir("./185") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 187
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./185/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./185/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./185/cgroup.cpu") = 0
[pid 5000] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./185/binderfs") = 0
[pid 5000] umount2("./185/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./185/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./185/cgroup") = 0
[pid 5000] umount2("./185/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./185/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./185/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./185") = 0
[pid 5000] mkdir("./186", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5188 attached
<unfinished ...>
[pid 5188] chdir("./186") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 188
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./186/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./186/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./186/cgroup.cpu") = 0
[pid 5000] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./186/binderfs") = 0
[pid 5000] umount2("./186/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./186/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./186/cgroup") = 0
[pid 5000] umount2("./186/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./186/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./186/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./186") = 0
[pid 5000] mkdir("./187", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5189 attached
<unfinished ...>
[pid 5189] chdir("./187") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 189
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./187/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./187/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./187/cgroup.cpu") = 0
[pid 5000] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./187/binderfs") = 0
[pid 5000] umount2("./187/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./187/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./187/cgroup") = 0
[pid 5000] umount2("./187/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./187/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./187/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./187") = 0
[pid 5000] mkdir("./188", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5190 attached
<unfinished ...>
[pid 5190] chdir("./188") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 190
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./188/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./188/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./188/cgroup.cpu") = 0
[pid 5000] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./188/binderfs") = 0
[pid 5000] umount2("./188/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./188/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./188/cgroup") = 0
[pid 5000] umount2("./188/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./188/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./188/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./188") = 0
[pid 5000] mkdir("./189", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5191 attached
<unfinished ...>
[pid 5191] chdir("./189" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 191
[pid 5191] <... chdir resumed>) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./189/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./189/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./189/cgroup.cpu") = 0
[pid 5000] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./189/binderfs") = 0
[pid 5000] umount2("./189/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./189/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./189/cgroup") = 0
[pid 5000] umount2("./189/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./189/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./189/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./189") = 0
[pid 5000] mkdir("./190", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5192 attached
<unfinished ...>
[pid 5192] chdir("./190") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 192
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./190/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./190/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./190/cgroup.cpu") = 0
[pid 5000] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./190/binderfs") = 0
[pid 5000] umount2("./190/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./190/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./190/cgroup") = 0
[pid 5000] umount2("./190/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./190/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./190/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./190") = 0
[pid 5000] mkdir("./191", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5193 attached
<unfinished ...>
[pid 5193] chdir("./191") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 193
[pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./191/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./191/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./191/cgroup.cpu") = 0
[pid 5000] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./191/binderfs") = 0
[pid 5000] umount2("./191/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./191/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./191/cgroup") = 0
[pid 5000] umount2("./191/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./191/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./191/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./191") = 0
[pid 5000] mkdir("./192", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 194
./strace-static-x86_64: Process 5194 attached
[pid 5194] chdir("./192") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./192/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./192/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./192/cgroup.cpu") = 0
[pid 5000] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./192/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./192/binderfs") = 0
[pid 5000] umount2("./192/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./192/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./192/cgroup") = 0
[pid 5000] umount2("./192/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./192/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./192/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./192") = 0
[pid 5000] mkdir("./193", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5195 attached
<unfinished ...>
[pid 5195] chdir("./193") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 195
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./193/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./193/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./193/cgroup.cpu") = 0
[pid 5000] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./193/binderfs") = 0
[pid 5000] umount2("./193/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./193/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./193/cgroup") = 0
[pid 5000] umount2("./193/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./193/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./193/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./193") = 0
[pid 5000] mkdir("./194", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 196
./strace-static-x86_64: Process 5196 attached
[pid 5196] chdir("./194") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./194/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./194/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./194/cgroup.cpu") = 0
[pid 5000] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./194/binderfs") = 0
[pid 5000] umount2("./194/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./194/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./194/cgroup") = 0
[pid 5000] umount2("./194/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./194/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./194/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./194") = 0
[pid 5000] mkdir("./195", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 197
./strace-static-x86_64: Process 5197 attached
[pid 5197] chdir("./195") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./195/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./195/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./195/cgroup.cpu") = 0
[pid 5000] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./195/binderfs") = 0
[pid 5000] umount2("./195/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./195/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./195/cgroup") = 0
[pid 5000] umount2("./195/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./195/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./195/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./195") = 0
[pid 5000] mkdir("./196", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 198
./strace-static-x86_64: Process 5198 attached
[pid 5198] chdir("./196") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./196/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./196/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./196/cgroup.cpu") = 0
[pid 5000] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./196/binderfs") = 0
[pid 5000] umount2("./196/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./196/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./196/cgroup") = 0
[pid 5000] umount2("./196/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./196/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./196/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./196") = 0
[pid 5000] mkdir("./197", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 199
./strace-static-x86_64: Process 5199 attached
[pid 5199] chdir("./197") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./197/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./197/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./197/cgroup.cpu") = 0
[pid 5000] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./197/binderfs") = 0
[pid 5000] umount2("./197/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./197/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./197/cgroup") = 0
[pid 5000] umount2("./197/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./197/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./197/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./197") = 0
[pid 5000] mkdir("./198", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5200 attached
<unfinished ...>
[pid 5200] chdir("./198") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 200
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./198/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./198/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./198/cgroup.cpu") = 0
[pid 5000] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./198/binderfs") = 0
[pid 5000] umount2("./198/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./198/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./198/cgroup") = 0
[pid 5000] umount2("./198/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./198/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./198/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./198") = 0
[pid 5000] mkdir("./199", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5201 attached
<unfinished ...>
[pid 5201] chdir("./199" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 201
[pid 5201] <... chdir resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./199/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./199/cgroup.cpu") = 0
[pid 5000] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./199/binderfs") = 0
[pid 5000] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./199/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./199/cgroup") = 0
[pid 5000] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./199/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./199/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./199") = 0
[pid 5000] mkdir("./200", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5202 attached
<unfinished ...>
[pid 5202] chdir("./200") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 202
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./200/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./200/cgroup.cpu") = 0
[pid 5000] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./200/binderfs") = 0
[pid 5000] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./200/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./200/cgroup") = 0
[pid 5000] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./200/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./200/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./200") = 0
[pid 5000] mkdir("./201", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5203 attached
<unfinished ...>
[pid 5203] chdir("./201") = 0
[pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 203
[pid 5203] <... prctl resumed>) = 0
[pid 5203] setpgid(0, 0) = 0
[pid 5203] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./201/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./201/cgroup.cpu") = 0
[pid 5000] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./201/binderfs") = 0
[pid 5000] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./201/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./201/cgroup") = 0
[pid 5000] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./201/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./201/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./201") = 0
[pid 5000] mkdir("./202", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5204 attached
<unfinished ...>
[pid 5204] chdir("./202") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 204
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./202/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./202/cgroup.cpu") = 0
[pid 5000] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./202/binderfs") = 0
[pid 5000] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./202/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./202/cgroup") = 0
[pid 5000] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./202/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./202/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./202") = 0
[pid 5000] mkdir("./203", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5205 attached
<unfinished ...>
[pid 5205] chdir("./203") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 205
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 5000] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./203/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./203/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./203/cgroup.cpu") = 0
[pid 5000] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./203/binderfs") = 0
[pid 5000] umount2("./203/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./203/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./203/cgroup") = 0
[pid 5000] umount2("./203/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./203/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./203/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./203") = 0
[pid 5000] mkdir("./204", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5206 attached
<unfinished ...>
[pid 5206] chdir("./204") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 206
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./204/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./204/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./204/cgroup.cpu") = 0
[pid 5000] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./204/binderfs") = 0
[pid 5000] umount2("./204/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./204/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./204/cgroup") = 0
[pid 5000] umount2("./204/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./204/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./204/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./204") = 0
[pid 5000] mkdir("./205", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5207 attached
<unfinished ...>
[pid 5207] chdir("./205") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 207
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./205/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./205/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./205/cgroup.cpu") = 0
[pid 5000] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./205/binderfs") = 0
[pid 5000] umount2("./205/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./205/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./205/cgroup") = 0
[pid 5000] umount2("./205/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./205/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./205/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./205") = 0
[pid 5000] mkdir("./206", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5208 attached
<unfinished ...>
[pid 5208] chdir("./206") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 208
[pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5208] setpgid(0, 0) = 0
[pid 5208] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./206/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./206/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./206/cgroup.cpu") = 0
[pid 5000] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./206/binderfs") = 0
[pid 5000] umount2("./206/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./206/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./206/cgroup") = 0
[pid 5000] umount2("./206/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./206/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./206/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./206") = 0
[pid 5000] mkdir("./207", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5209 attached
<unfinished ...>
[pid 5209] chdir("./207") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 209
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./207/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./207/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./207/cgroup.cpu") = 0
[pid 5000] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./207/binderfs") = 0
[pid 5000] umount2("./207/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./207/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./207/cgroup") = 0
[pid 5000] umount2("./207/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./207/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./207/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./207") = 0
[pid 5000] mkdir("./208", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5210 attached
<unfinished ...>
[pid 5210] chdir("./208") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 210
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./208/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./208/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./208/cgroup.cpu") = 0
[pid 5000] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./208/binderfs") = 0
[pid 5000] umount2("./208/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./208/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./208/cgroup") = 0
[pid 5000] umount2("./208/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./208/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./208/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./208") = 0
[pid 5000] mkdir("./209", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5211 attached
<unfinished ...>
[pid 5211] chdir("./209") = 0
[pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5211] setpgid(0, 0) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 211
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./209/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./209/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./209/cgroup.cpu") = 0
[pid 5000] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./209/binderfs") = 0
[pid 5000] umount2("./209/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./209/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./209/cgroup") = 0
[pid 5000] umount2("./209/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./209/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./209/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./209") = 0
[pid 5000] mkdir("./210", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5212 attached
<unfinished ...>
[pid 5212] chdir("./210") = 0
[pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5212] setpgid(0, 0) = 0
[pid 5212] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 212
[pid 5212] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./210/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./210/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./210/cgroup.cpu") = 0
[pid 5000] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./210/binderfs") = 0
[pid 5000] umount2("./210/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./210/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./210/cgroup") = 0
[pid 5000] umount2("./210/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./210/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./210/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./210") = 0
[pid 5000] mkdir("./211", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5213 attached
<unfinished ...>
[pid 5213] chdir("./211") = 0
[pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 213
[pid 5213] <... prctl resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./211/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./211/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./211/cgroup.cpu") = 0
[pid 5000] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./211/binderfs") = 0
[pid 5000] umount2("./211/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./211/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./211/cgroup") = 0
[pid 5000] umount2("./211/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./211/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./211/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./211") = 0
[pid 5000] mkdir("./212", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5214 attached
<unfinished ...>
[pid 5214] chdir("./212") = 0
[pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5214] setpgid(0, 0) = 0
[pid 5214] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 214
[pid 5214] <... symlink resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./212/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./212/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./212/cgroup.cpu") = 0
[pid 5000] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./212/binderfs") = 0
[pid 5000] umount2("./212/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./212/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./212/cgroup") = 0
[pid 5000] umount2("./212/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./212/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./212/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./212") = 0
[pid 5000] mkdir("./213", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5215 attached
<unfinished ...>
[pid 5215] chdir("./213") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 215
[pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./213/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./213/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./213/cgroup.cpu") = 0
[pid 5000] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./213/binderfs") = 0
[pid 5000] umount2("./213/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./213/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./213/cgroup") = 0
[pid 5000] umount2("./213/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./213/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./213/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./213") = 0
[pid 5000] mkdir("./214", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5216 attached
<unfinished ...>
[pid 5216] chdir("./214") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 216
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./214/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./214/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./214/cgroup.cpu") = 0
[pid 5000] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./214/binderfs") = 0
[pid 5000] umount2("./214/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./214/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./214/cgroup") = 0
[pid 5000] umount2("./214/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./214/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./214/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./214") = 0
[pid 5000] mkdir("./215", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5217 attached
<unfinished ...>
[pid 5217] chdir("./215") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 217
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./215/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./215/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./215/cgroup.cpu") = 0
[pid 5000] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./215/binderfs") = 0
[pid 5000] umount2("./215/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./215/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./215/cgroup") = 0
[pid 5000] umount2("./215/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./215/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./215/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./215") = 0
[pid 5000] mkdir("./216", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5218 attached
<unfinished ...>
[pid 5218] chdir("./216") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 218
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./216/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./216/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./216/cgroup.cpu") = 0
[pid 5000] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./216/binderfs") = 0
[pid 5000] umount2("./216/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./216/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./216/cgroup") = 0
[pid 5000] umount2("./216/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./216/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./216/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./216") = 0
[pid 5000] mkdir("./217", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5219 attached
<unfinished ...>
[pid 5219] chdir("./217") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 219
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./217/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./217/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./217/cgroup.cpu") = 0
[pid 5000] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./217/binderfs") = 0
[pid 5000] umount2("./217/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./217/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./217/cgroup") = 0
[pid 5000] umount2("./217/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./217/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./217/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./217") = 0
[pid 5000] mkdir("./218", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached
<unfinished ...>
[pid 5220] chdir("./218") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 220
[pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5220] setpgid(0, 0) = 0
[pid 5220] symlink("/syzcgroup/unified/syz0", "./cgroup") = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./218/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./218/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./218/cgroup.cpu") = 0
[pid 5000] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./218/binderfs") = 0
[pid 5000] umount2("./218/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./218/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./218/cgroup") = 0
[pid 5000] umount2("./218/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./218/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./218/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./218") = 0
[pid 5000] mkdir("./219", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5221 attached
<unfinished ...>
[pid 5221] chdir("./219") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 221
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./219/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./219/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./219/cgroup.cpu") = 0
[pid 5000] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./219/binderfs") = 0
[pid 5000] umount2("./219/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./219/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./219/cgroup") = 0
[pid 5000] umount2("./219/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./219/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./219/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./219") = 0
[pid 5000] mkdir("./220", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5222 attached
<unfinished ...>
[pid 5222] chdir("./220") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 222
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./220/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./220/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./220/cgroup.cpu") = 0
[pid 5000] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./220/binderfs") = 0
[pid 5000] umount2("./220/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./220/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./220/cgroup") = 0
[pid 5000] umount2("./220/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./220/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./220/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./220") = 0
[pid 5000] mkdir("./221", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5223 attached
<unfinished ...>
[pid 5223] chdir("./221" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 223
[pid 5223] <... chdir resumed>) = 0
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./221/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./221/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./221/cgroup.cpu") = 0
[pid 5000] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./221/binderfs") = 0
[pid 5000] umount2("./221/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./221/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./221/cgroup") = 0
[pid 5000] umount2("./221/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./221/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./221/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./221") = 0
[pid 5000] mkdir("./222", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached
<unfinished ...>
[pid 5224] chdir("./222") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 224
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./222/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./222/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./222/cgroup.cpu") = 0
[pid 5000] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./222/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./222/binderfs") = 0
[pid 5000] umount2("./222/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./222/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./222/cgroup") = 0
[pid 5000] umount2("./222/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./222/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./222/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./222") = 0
[pid 5000] mkdir("./223", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached
<unfinished ...>
[pid 5225] chdir("./223") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 225
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./223/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./223/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./223/cgroup.cpu") = 0
[pid 5000] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./223/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./223/binderfs") = 0
[pid 5000] umount2("./223/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./223/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./223/cgroup") = 0
[pid 5000] umount2("./223/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./223/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./223/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./223") = 0
[pid 5000] mkdir("./224", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5226 attached
<unfinished ...>
[pid 5226] chdir("./224") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 226
[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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./224/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./224/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./224/cgroup.cpu") = 0
[pid 5000] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./224/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./224/binderfs") = 0
[pid 5000] umount2("./224/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./224/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./224/cgroup") = 0
[pid 5000] umount2("./224/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./224/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./224/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./224") = 0
[pid 5000] mkdir("./225", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5227 attached
<unfinished ...>
[pid 5227] chdir("./225" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 227
[pid 5227] <... chdir resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./225/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./225/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./225/cgroup.cpu") = 0
[pid 5000] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./225/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./225/binderfs") = 0
[pid 5000] umount2("./225/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./225/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./225/cgroup") = 0
[pid 5000] umount2("./225/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./225/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./225/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./225") = 0
[pid 5000] mkdir("./226", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5228 attached
<unfinished ...>
[pid 5228] chdir("./226") = 0
[pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 228
[pid 5228] <... prctl resumed>) = 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 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./226/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./226/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./226/cgroup.cpu") = 0
[pid 5000] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./226/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./226/binderfs") = 0
[pid 5000] umount2("./226/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./226/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./226/cgroup") = 0
[pid 5000] umount2("./226/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./226/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./226/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./226") = 0
[pid 5000] mkdir("./227", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5229 attached
<unfinished ...>
[pid 5229] chdir("./227") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 229
[pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5229] setpgid(0, 0) = 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] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5229] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5229] openat(3, "freezer.state", O_RDWR) = 4
[pid 5229] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5229] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5229] close(3) = 0
[pid 5229] close(4) = 0
[pid 5229] close(5) = -1 EBADF (Bad file descriptor)
[pid 5229] close(6) = -1 EBADF (Bad file descriptor)
[pid 5229] close(7) = -1 EBADF (Bad file descriptor)
[pid 5229] close(8) = -1 EBADF (Bad file descriptor)
[pid 5229] close(9) = -1 EBADF (Bad file descriptor)
[pid 5229] close(10) = -1 EBADF (Bad file descriptor)
[pid 5229] close(11) = -1 EBADF (Bad file descriptor)
[pid 5229] close(12) = -1 EBADF (Bad file descriptor)
[pid 5229] close(13) = -1 EBADF (Bad file descriptor)
[pid 5229] close(14) = -1 EBADF (Bad file descriptor)
[pid 5229] close(15) = -1 EBADF (Bad file descriptor)
[pid 5229] close(16) = -1 EBADF (Bad file descriptor)
[pid 5229] close(17) = -1 EBADF (Bad file descriptor)
[pid 5229] close(18) = -1 EBADF (Bad file descriptor)
[pid 5229] close(19) = -1 EBADF (Bad file descriptor)
[pid 5229] close(20) = -1 EBADF (Bad file descriptor)
[pid 5229] close(21) = -1 EBADF (Bad file descriptor)
[pid 5229] close(22) = -1 EBADF (Bad file descriptor)
[pid 5229] close(23) = -1 EBADF (Bad file descriptor)
[pid 5229] close(24) = -1 EBADF (Bad file descriptor)
[pid 5229] close(25) = -1 EBADF (Bad file descriptor)
[pid 5229] close(26) = -1 EBADF (Bad file descriptor)
[pid 5229] close(27) = -1 EBADF (Bad file descriptor)
[pid 5229] close(28) = -1 EBADF (Bad file descriptor)
[pid 5229] close(29) = -1 EBADF (Bad file descriptor)
[pid 5229] exit_group(0) = ?
[pid 5229] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./227/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./227/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./227/cgroup.cpu") = 0
[pid 5000] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./227/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./227/binderfs") = 0
[pid 5000] umount2("./227/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./227/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./227/cgroup") = 0
[pid 5000] umount2("./227/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./227/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./227/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./227") = 0
[pid 5000] mkdir("./228", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached
<unfinished ...>
[pid 5230] chdir("./228") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 230
[pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5230] setpgid(0, 0) = 0
[pid 5230] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5230] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5230] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5230] write(3, "1000", 4) = 4
[pid 5230] close(3) = 0
[pid 5230] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5230] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5230] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5230] openat(3, "freezer.state", O_RDWR) = 4
[pid 5230] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5230] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5230] close(3) = 0
[pid 5230] close(4) = 0
[pid 5230] close(5) = -1 EBADF (Bad file descriptor)
[pid 5230] close(6) = -1 EBADF (Bad file descriptor)
[pid 5230] close(7) = -1 EBADF (Bad file descriptor)
[pid 5230] close(8) = -1 EBADF (Bad file descriptor)
[pid 5230] close(9) = -1 EBADF (Bad file descriptor)
[pid 5230] close(10) = -1 EBADF (Bad file descriptor)
[pid 5230] close(11) = -1 EBADF (Bad file descriptor)
[pid 5230] close(12) = -1 EBADF (Bad file descriptor)
[pid 5230] close(13) = -1 EBADF (Bad file descriptor)
[pid 5230] close(14) = -1 EBADF (Bad file descriptor)
[pid 5230] close(15) = -1 EBADF (Bad file descriptor)
[pid 5230] close(16) = -1 EBADF (Bad file descriptor)
[pid 5230] close(17) = -1 EBADF (Bad file descriptor)
[pid 5230] close(18) = -1 EBADF (Bad file descriptor)
[pid 5230] close(19) = -1 EBADF (Bad file descriptor)
[pid 5230] close(20) = -1 EBADF (Bad file descriptor)
[pid 5230] close(21) = -1 EBADF (Bad file descriptor)
[pid 5230] close(22) = -1 EBADF (Bad file descriptor)
[pid 5230] close(23) = -1 EBADF (Bad file descriptor)
[pid 5230] close(24) = -1 EBADF (Bad file descriptor)
[pid 5230] close(25) = -1 EBADF (Bad file descriptor)
[pid 5230] close(26) = -1 EBADF (Bad file descriptor)
[pid 5230] close(27) = -1 EBADF (Bad file descriptor)
[pid 5230] close(28) = -1 EBADF (Bad file descriptor)
[pid 5230] close(29) = -1 EBADF (Bad file descriptor)
[pid 5230] exit_group(0) = ?
[pid 5230] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./228/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./228/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./228/cgroup.cpu") = 0
[pid 5000] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./228/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./228/binderfs") = 0
[pid 5000] umount2("./228/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./228/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./228/cgroup") = 0
[pid 5000] umount2("./228/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./228/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./228/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./228") = 0
[pid 5000] mkdir("./229", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5231 attached
<unfinished ...>
[pid 5231] chdir("./229") = 0
[pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5231] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 231
[pid 5231] <... setpgid resumed>) = 0
[pid 5231] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5231] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5231] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5231] write(3, "1000", 4) = 4
[pid 5231] close(3) = 0
[pid 5231] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5231] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5231] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5231] openat(3, "freezer.state", O_RDWR) = 4
[pid 5231] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5231] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5231] close(3) = 0
[pid 5231] close(4) = 0
[pid 5231] close(5) = -1 EBADF (Bad file descriptor)
[pid 5231] close(6) = -1 EBADF (Bad file descriptor)
[pid 5231] close(7) = -1 EBADF (Bad file descriptor)
[pid 5231] close(8) = -1 EBADF (Bad file descriptor)
[pid 5231] close(9) = -1 EBADF (Bad file descriptor)
[pid 5231] close(10) = -1 EBADF (Bad file descriptor)
[pid 5231] close(11) = -1 EBADF (Bad file descriptor)
[pid 5231] close(12) = -1 EBADF (Bad file descriptor)
[pid 5231] close(13) = -1 EBADF (Bad file descriptor)
[pid 5231] close(14) = -1 EBADF (Bad file descriptor)
[pid 5231] close(15) = -1 EBADF (Bad file descriptor)
[pid 5231] close(16) = -1 EBADF (Bad file descriptor)
[pid 5231] close(17) = -1 EBADF (Bad file descriptor)
[pid 5231] close(18) = -1 EBADF (Bad file descriptor)
[pid 5231] close(19) = -1 EBADF (Bad file descriptor)
[pid 5231] close(20) = -1 EBADF (Bad file descriptor)
[pid 5231] close(21) = -1 EBADF (Bad file descriptor)
[pid 5231] close(22) = -1 EBADF (Bad file descriptor)
[pid 5231] close(23) = -1 EBADF (Bad file descriptor)
[pid 5231] close(24) = -1 EBADF (Bad file descriptor)
[pid 5231] close(25) = -1 EBADF (Bad file descriptor)
[pid 5231] close(26) = -1 EBADF (Bad file descriptor)
[pid 5231] close(27) = -1 EBADF (Bad file descriptor)
[pid 5231] close(28) = -1 EBADF (Bad file descriptor)
[pid 5231] close(29) = -1 EBADF (Bad file descriptor)
[pid 5231] exit_group(0) = ?
[pid 5231] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./229/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./229/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./229/cgroup.cpu") = 0
[pid 5000] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./229/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./229/binderfs") = 0
[pid 5000] umount2("./229/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./229/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./229/cgroup") = 0
[pid 5000] umount2("./229/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./229/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./229/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./229") = 0
[pid 5000] mkdir("./230", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5232 attached
<unfinished ...>
[pid 5232] chdir("./230") = 0
[pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5232] setpgid(0, 0) = 0
[pid 5232] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 232
[pid 5232] <... symlink resumed>) = 0
[pid 5232] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5232] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5232] write(3, "1000", 4) = 4
[pid 5232] close(3) = 0
[pid 5232] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5232] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5232] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5232] openat(3, "freezer.state", O_RDWR) = 4
[pid 5232] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5232] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5232] close(3) = 0
[pid 5232] close(4) = 0
[pid 5232] close(5) = -1 EBADF (Bad file descriptor)
[pid 5232] close(6) = -1 EBADF (Bad file descriptor)
[pid 5232] close(7) = -1 EBADF (Bad file descriptor)
[pid 5232] close(8) = -1 EBADF (Bad file descriptor)
[pid 5232] close(9) = -1 EBADF (Bad file descriptor)
[pid 5232] close(10) = -1 EBADF (Bad file descriptor)
[pid 5232] close(11) = -1 EBADF (Bad file descriptor)
[pid 5232] close(12) = -1 EBADF (Bad file descriptor)
[pid 5232] close(13) = -1 EBADF (Bad file descriptor)
[pid 5232] close(14) = -1 EBADF (Bad file descriptor)
[pid 5232] close(15) = -1 EBADF (Bad file descriptor)
[pid 5232] close(16) = -1 EBADF (Bad file descriptor)
[pid 5232] close(17) = -1 EBADF (Bad file descriptor)
[pid 5232] close(18) = -1 EBADF (Bad file descriptor)
[pid 5232] close(19) = -1 EBADF (Bad file descriptor)
[pid 5232] close(20) = -1 EBADF (Bad file descriptor)
[pid 5232] close(21) = -1 EBADF (Bad file descriptor)
[pid 5232] close(22) = -1 EBADF (Bad file descriptor)
[pid 5232] close(23) = -1 EBADF (Bad file descriptor)
[pid 5232] close(24) = -1 EBADF (Bad file descriptor)
[pid 5232] close(25) = -1 EBADF (Bad file descriptor)
[pid 5232] close(26) = -1 EBADF (Bad file descriptor)
[pid 5232] close(27) = -1 EBADF (Bad file descriptor)
[pid 5232] close(28) = -1 EBADF (Bad file descriptor)
[pid 5232] close(29) = -1 EBADF (Bad file descriptor)
[pid 5232] exit_group(0) = ?
[pid 5232] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./230", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./230/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./230/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./230/cgroup.cpu") = 0
[pid 5000] umount2("./230/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./230/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./230/binderfs") = 0
[pid 5000] umount2("./230/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./230/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./230/cgroup") = 0
[pid 5000] umount2("./230/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./230/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./230/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./230") = 0
[pid 5000] mkdir("./231", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5233 attached
<unfinished ...>
[pid 5233] chdir("./231") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 233
[pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5233] setpgid(0, 0) = 0
[pid 5233] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5233] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5233] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5233] write(3, "1000", 4) = 4
[pid 5233] close(3) = 0
[pid 5233] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5233] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5233] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5233] openat(3, "freezer.state", O_RDWR) = 4
[pid 5233] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5233] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5233] close(3) = 0
[pid 5233] close(4) = 0
[pid 5233] close(5) = -1 EBADF (Bad file descriptor)
[pid 5233] close(6) = -1 EBADF (Bad file descriptor)
[pid 5233] close(7) = -1 EBADF (Bad file descriptor)
[pid 5233] close(8) = -1 EBADF (Bad file descriptor)
[pid 5233] close(9) = -1 EBADF (Bad file descriptor)
[pid 5233] close(10) = -1 EBADF (Bad file descriptor)
[pid 5233] close(11) = -1 EBADF (Bad file descriptor)
[pid 5233] close(12) = -1 EBADF (Bad file descriptor)
[pid 5233] close(13) = -1 EBADF (Bad file descriptor)
[pid 5233] close(14) = -1 EBADF (Bad file descriptor)
[pid 5233] close(15) = -1 EBADF (Bad file descriptor)
[pid 5233] close(16) = -1 EBADF (Bad file descriptor)
[pid 5233] close(17) = -1 EBADF (Bad file descriptor)
[pid 5233] close(18) = -1 EBADF (Bad file descriptor)
[pid 5233] close(19) = -1 EBADF (Bad file descriptor)
[pid 5233] close(20) = -1 EBADF (Bad file descriptor)
[pid 5233] close(21) = -1 EBADF (Bad file descriptor)
[pid 5233] close(22) = -1 EBADF (Bad file descriptor)
[pid 5233] close(23) = -1 EBADF (Bad file descriptor)
[pid 5233] close(24) = -1 EBADF (Bad file descriptor)
[pid 5233] close(25) = -1 EBADF (Bad file descriptor)
[pid 5233] close(26) = -1 EBADF (Bad file descriptor)
[pid 5233] close(27) = -1 EBADF (Bad file descriptor)
[pid 5233] close(28) = -1 EBADF (Bad file descriptor)
[pid 5233] close(29) = -1 EBADF (Bad file descriptor)
[pid 5233] exit_group(0) = ?
[pid 5233] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./231", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./231/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./231/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./231/cgroup.cpu") = 0
[pid 5000] umount2("./231/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./231/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./231/binderfs") = 0
[pid 5000] umount2("./231/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./231/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./231/cgroup") = 0
[pid 5000] umount2("./231/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./231/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./231/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./231") = 0
[pid 5000] mkdir("./232", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5234 attached
<unfinished ...>
[pid 5234] chdir("./232") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 234
[pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5234] setpgid(0, 0) = 0
[pid 5234] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5234] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5234] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5234] write(3, "1000", 4) = 4
[pid 5234] close(3) = 0
[pid 5234] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5234] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5234] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5234] openat(3, "freezer.state", O_RDWR) = 4
[pid 5234] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5234] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5234] close(3) = 0
[pid 5234] close(4) = 0
[pid 5234] close(5) = -1 EBADF (Bad file descriptor)
[pid 5234] close(6) = -1 EBADF (Bad file descriptor)
[pid 5234] close(7) = -1 EBADF (Bad file descriptor)
[pid 5234] close(8) = -1 EBADF (Bad file descriptor)
[pid 5234] close(9) = -1 EBADF (Bad file descriptor)
[pid 5234] close(10) = -1 EBADF (Bad file descriptor)
[pid 5234] close(11) = -1 EBADF (Bad file descriptor)
[pid 5234] close(12) = -1 EBADF (Bad file descriptor)
[pid 5234] close(13) = -1 EBADF (Bad file descriptor)
[pid 5234] close(14) = -1 EBADF (Bad file descriptor)
[pid 5234] close(15) = -1 EBADF (Bad file descriptor)
[pid 5234] close(16) = -1 EBADF (Bad file descriptor)
[pid 5234] close(17) = -1 EBADF (Bad file descriptor)
[pid 5234] close(18) = -1 EBADF (Bad file descriptor)
[pid 5234] close(19) = -1 EBADF (Bad file descriptor)
[pid 5234] close(20) = -1 EBADF (Bad file descriptor)
[pid 5234] close(21) = -1 EBADF (Bad file descriptor)
[pid 5234] close(22) = -1 EBADF (Bad file descriptor)
[pid 5234] close(23) = -1 EBADF (Bad file descriptor)
[pid 5234] close(24) = -1 EBADF (Bad file descriptor)
[pid 5234] close(25) = -1 EBADF (Bad file descriptor)
[pid 5234] close(26) = -1 EBADF (Bad file descriptor)
[pid 5234] close(27) = -1 EBADF (Bad file descriptor)
[pid 5234] close(28) = -1 EBADF (Bad file descriptor)
[pid 5234] close(29) = -1 EBADF (Bad file descriptor)
[pid 5234] exit_group(0) = ?
[pid 5234] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./232", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./232/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./232/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./232/cgroup.cpu") = 0
[pid 5000] umount2("./232/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./232/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./232/binderfs") = 0
[pid 5000] umount2("./232/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./232/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./232/cgroup") = 0
[pid 5000] umount2("./232/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./232/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./232/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./232") = 0
[pid 5000] mkdir("./233", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5235 attached
<unfinished ...>
[pid 5235] chdir("./233") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 235
[pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5235] setpgid(0, 0) = 0
[pid 5235] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5235] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5235] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5235] write(3, "1000", 4) = 4
[pid 5235] close(3) = 0
[pid 5235] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5235] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5235] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5235] openat(3, "freezer.state", O_RDWR) = 4
[pid 5235] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5235] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5235] close(3) = 0
[pid 5235] close(4) = 0
[pid 5235] close(5) = -1 EBADF (Bad file descriptor)
[pid 5235] close(6) = -1 EBADF (Bad file descriptor)
[pid 5235] close(7) = -1 EBADF (Bad file descriptor)
[pid 5235] close(8) = -1 EBADF (Bad file descriptor)
[pid 5235] close(9) = -1 EBADF (Bad file descriptor)
[pid 5235] close(10) = -1 EBADF (Bad file descriptor)
[pid 5235] close(11) = -1 EBADF (Bad file descriptor)
[pid 5235] close(12) = -1 EBADF (Bad file descriptor)
[pid 5235] close(13) = -1 EBADF (Bad file descriptor)
[pid 5235] close(14) = -1 EBADF (Bad file descriptor)
[pid 5235] close(15) = -1 EBADF (Bad file descriptor)
[pid 5235] close(16) = -1 EBADF (Bad file descriptor)
[pid 5235] close(17) = -1 EBADF (Bad file descriptor)
[pid 5235] close(18) = -1 EBADF (Bad file descriptor)
[pid 5235] close(19) = -1 EBADF (Bad file descriptor)
[pid 5235] close(20) = -1 EBADF (Bad file descriptor)
[pid 5235] close(21) = -1 EBADF (Bad file descriptor)
[pid 5235] close(22) = -1 EBADF (Bad file descriptor)
[pid 5235] close(23) = -1 EBADF (Bad file descriptor)
[pid 5235] close(24) = -1 EBADF (Bad file descriptor)
[pid 5235] close(25) = -1 EBADF (Bad file descriptor)
[pid 5235] close(26) = -1 EBADF (Bad file descriptor)
[pid 5235] close(27) = -1 EBADF (Bad file descriptor)
[pid 5235] close(28) = -1 EBADF (Bad file descriptor)
[pid 5235] close(29) = -1 EBADF (Bad file descriptor)
[pid 5235] exit_group(0) = ?
[pid 5235] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./233", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./233/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./233/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./233/cgroup.cpu") = 0
[pid 5000] umount2("./233/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./233/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./233/binderfs") = 0
[pid 5000] umount2("./233/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./233/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./233/cgroup") = 0
[pid 5000] umount2("./233/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./233/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./233/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./233") = 0
[pid 5000] mkdir("./234", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 236
./strace-static-x86_64: Process 5236 attached
[pid 5236] chdir("./234") = 0
[pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5236] setpgid(0, 0) = 0
[pid 5236] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5236] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5236] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5236] write(3, "1000", 4) = 4
[pid 5236] close(3) = 0
[pid 5236] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5236] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5236] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5236] openat(3, "freezer.state", O_RDWR) = 4
[pid 5236] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5236] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5236] close(3) = 0
[pid 5236] close(4) = 0
[pid 5236] close(5) = -1 EBADF (Bad file descriptor)
[pid 5236] close(6) = -1 EBADF (Bad file descriptor)
[pid 5236] close(7) = -1 EBADF (Bad file descriptor)
[pid 5236] close(8) = -1 EBADF (Bad file descriptor)
[pid 5236] close(9) = -1 EBADF (Bad file descriptor)
[pid 5236] close(10) = -1 EBADF (Bad file descriptor)
[pid 5236] close(11) = -1 EBADF (Bad file descriptor)
[pid 5236] close(12) = -1 EBADF (Bad file descriptor)
[pid 5236] close(13) = -1 EBADF (Bad file descriptor)
[pid 5236] close(14) = -1 EBADF (Bad file descriptor)
[pid 5236] close(15) = -1 EBADF (Bad file descriptor)
[pid 5236] close(16) = -1 EBADF (Bad file descriptor)
[pid 5236] close(17) = -1 EBADF (Bad file descriptor)
[pid 5236] close(18) = -1 EBADF (Bad file descriptor)
[pid 5236] close(19) = -1 EBADF (Bad file descriptor)
[pid 5236] close(20) = -1 EBADF (Bad file descriptor)
[pid 5236] close(21) = -1 EBADF (Bad file descriptor)
[pid 5236] close(22) = -1 EBADF (Bad file descriptor)
[pid 5236] close(23) = -1 EBADF (Bad file descriptor)
[pid 5236] close(24) = -1 EBADF (Bad file descriptor)
[pid 5236] close(25) = -1 EBADF (Bad file descriptor)
[pid 5236] close(26) = -1 EBADF (Bad file descriptor)
[pid 5236] close(27) = -1 EBADF (Bad file descriptor)
[pid 5236] close(28) = -1 EBADF (Bad file descriptor)
[pid 5236] close(29) = -1 EBADF (Bad file descriptor)
[pid 5236] exit_group(0) = ?
[pid 5236] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./234", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./234/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./234/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./234/cgroup.cpu") = 0
[pid 5000] umount2("./234/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./234/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./234/binderfs") = 0
[pid 5000] umount2("./234/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./234/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./234/cgroup") = 0
[pid 5000] umount2("./234/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./234/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./234/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./234") = 0
[pid 5000] mkdir("./235", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5237 attached
<unfinished ...>
[pid 5237] chdir("./235") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 237
[pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5237] setpgid(0, 0) = 0
[pid 5237] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5237] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5237] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5237] write(3, "1000", 4) = 4
[pid 5237] close(3) = 0
[pid 5237] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5237] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5237] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5237] openat(3, "freezer.state", O_RDWR) = 4
[pid 5237] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5237] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5237] close(3) = 0
[pid 5237] close(4) = 0
[pid 5237] close(5) = -1 EBADF (Bad file descriptor)
[pid 5237] close(6) = -1 EBADF (Bad file descriptor)
[pid 5237] close(7) = -1 EBADF (Bad file descriptor)
[pid 5237] close(8) = -1 EBADF (Bad file descriptor)
[pid 5237] close(9) = -1 EBADF (Bad file descriptor)
[pid 5237] close(10) = -1 EBADF (Bad file descriptor)
[pid 5237] close(11) = -1 EBADF (Bad file descriptor)
[pid 5237] close(12) = -1 EBADF (Bad file descriptor)
[pid 5237] close(13) = -1 EBADF (Bad file descriptor)
[pid 5237] close(14) = -1 EBADF (Bad file descriptor)
[pid 5237] close(15) = -1 EBADF (Bad file descriptor)
[pid 5237] close(16) = -1 EBADF (Bad file descriptor)
[pid 5237] close(17) = -1 EBADF (Bad file descriptor)
[pid 5237] close(18) = -1 EBADF (Bad file descriptor)
[pid 5237] close(19) = -1 EBADF (Bad file descriptor)
[pid 5237] close(20) = -1 EBADF (Bad file descriptor)
[pid 5237] close(21) = -1 EBADF (Bad file descriptor)
[pid 5237] close(22) = -1 EBADF (Bad file descriptor)
[pid 5237] close(23) = -1 EBADF (Bad file descriptor)
[pid 5237] close(24) = -1 EBADF (Bad file descriptor)
[pid 5237] close(25) = -1 EBADF (Bad file descriptor)
[pid 5237] close(26) = -1 EBADF (Bad file descriptor)
[pid 5237] close(27) = -1 EBADF (Bad file descriptor)
[pid 5237] close(28) = -1 EBADF (Bad file descriptor)
[pid 5237] close(29) = -1 EBADF (Bad file descriptor)
[pid 5237] exit_group(0) = ?
[pid 5237] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./235/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./235/cgroup.cpu") = 0
[pid 5000] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./235/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./235/binderfs") = 0
[pid 5000] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./235/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./235/cgroup") = 0
[pid 5000] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./235/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./235/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./235") = 0
[pid 5000] mkdir("./236", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5238 attached
<unfinished ...>
[pid 5238] chdir("./236") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 238
[pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5238] setpgid(0, 0) = 0
[pid 5238] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5238] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5238] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5238] write(3, "1000", 4) = 4
[pid 5238] close(3) = 0
[pid 5238] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5238] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5238] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5238] openat(3, "freezer.state", O_RDWR) = 4
[pid 5238] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5238] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5238] close(3) = 0
[pid 5238] close(4) = 0
[pid 5238] close(5) = -1 EBADF (Bad file descriptor)
[pid 5238] close(6) = -1 EBADF (Bad file descriptor)
[pid 5238] close(7) = -1 EBADF (Bad file descriptor)
[pid 5238] close(8) = -1 EBADF (Bad file descriptor)
[pid 5238] close(9) = -1 EBADF (Bad file descriptor)
[pid 5238] close(10) = -1 EBADF (Bad file descriptor)
[pid 5238] close(11) = -1 EBADF (Bad file descriptor)
[pid 5238] close(12) = -1 EBADF (Bad file descriptor)
[pid 5238] close(13) = -1 EBADF (Bad file descriptor)
[pid 5238] close(14) = -1 EBADF (Bad file descriptor)
[pid 5238] close(15) = -1 EBADF (Bad file descriptor)
[pid 5238] close(16) = -1 EBADF (Bad file descriptor)
[pid 5238] close(17) = -1 EBADF (Bad file descriptor)
[pid 5238] close(18) = -1 EBADF (Bad file descriptor)
[pid 5238] close(19) = -1 EBADF (Bad file descriptor)
[pid 5238] close(20) = -1 EBADF (Bad file descriptor)
[pid 5238] close(21) = -1 EBADF (Bad file descriptor)
[pid 5238] close(22) = -1 EBADF (Bad file descriptor)
[pid 5238] close(23) = -1 EBADF (Bad file descriptor)
[pid 5238] close(24) = -1 EBADF (Bad file descriptor)
[pid 5238] close(25) = -1 EBADF (Bad file descriptor)
[pid 5238] close(26) = -1 EBADF (Bad file descriptor)
[pid 5238] close(27) = -1 EBADF (Bad file descriptor)
[pid 5238] close(28) = -1 EBADF (Bad file descriptor)
[pid 5238] close(29) = -1 EBADF (Bad file descriptor)
[pid 5238] exit_group(0) = ?
[pid 5238] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./236/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./236/cgroup.cpu") = 0
[pid 5000] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./236/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./236/binderfs") = 0
[pid 5000] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./236/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./236/cgroup") = 0
[pid 5000] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./236/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./236/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./236") = 0
[pid 5000] mkdir("./237", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5239 attached
<unfinished ...>
[pid 5239] chdir("./237") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 239
[pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5239] setpgid(0, 0) = 0
[pid 5239] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5239] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5239] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5239] write(3, "1000", 4) = 4
[pid 5239] close(3) = 0
[pid 5239] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5239] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5239] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5239] openat(3, "freezer.state", O_RDWR) = 4
[pid 5239] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5239] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5239] close(3) = 0
[pid 5239] close(4) = 0
[pid 5239] close(5) = -1 EBADF (Bad file descriptor)
[pid 5239] close(6) = -1 EBADF (Bad file descriptor)
[pid 5239] close(7) = -1 EBADF (Bad file descriptor)
[pid 5239] close(8) = -1 EBADF (Bad file descriptor)
[pid 5239] close(9) = -1 EBADF (Bad file descriptor)
[pid 5239] close(10) = -1 EBADF (Bad file descriptor)
[pid 5239] close(11) = -1 EBADF (Bad file descriptor)
[pid 5239] close(12) = -1 EBADF (Bad file descriptor)
[pid 5239] close(13) = -1 EBADF (Bad file descriptor)
[pid 5239] close(14) = -1 EBADF (Bad file descriptor)
[pid 5239] close(15) = -1 EBADF (Bad file descriptor)
[pid 5239] close(16) = -1 EBADF (Bad file descriptor)
[pid 5239] close(17) = -1 EBADF (Bad file descriptor)
[pid 5239] close(18) = -1 EBADF (Bad file descriptor)
[pid 5239] close(19) = -1 EBADF (Bad file descriptor)
[pid 5239] close(20) = -1 EBADF (Bad file descriptor)
[pid 5239] close(21) = -1 EBADF (Bad file descriptor)
[pid 5239] close(22) = -1 EBADF (Bad file descriptor)
[pid 5239] close(23) = -1 EBADF (Bad file descriptor)
[pid 5239] close(24) = -1 EBADF (Bad file descriptor)
[pid 5239] close(25) = -1 EBADF (Bad file descriptor)
[pid 5239] close(26) = -1 EBADF (Bad file descriptor)
[pid 5239] close(27) = -1 EBADF (Bad file descriptor)
[pid 5239] close(28) = -1 EBADF (Bad file descriptor)
[pid 5239] close(29) = -1 EBADF (Bad file descriptor)
[pid 5239] exit_group(0) = ?
[pid 5239] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./237/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./237/cgroup.cpu") = 0
[pid 5000] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./237/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./237/binderfs") = 0
[pid 5000] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./237/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./237/cgroup") = 0
[pid 5000] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./237/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./237/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./237") = 0
[pid 5000] mkdir("./238", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5240 attached
<unfinished ...>
[pid 5240] chdir("./238") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 240
[pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5240] setpgid(0, 0) = 0
[pid 5240] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5240] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5240] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5240] write(3, "1000", 4) = 4
[pid 5240] close(3) = 0
[pid 5240] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5240] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5240] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5240] openat(3, "freezer.state", O_RDWR) = 4
[pid 5240] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5240] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5240] close(3) = 0
[pid 5240] close(4) = 0
[pid 5240] close(5) = -1 EBADF (Bad file descriptor)
[pid 5240] close(6) = -1 EBADF (Bad file descriptor)
[pid 5240] close(7) = -1 EBADF (Bad file descriptor)
[pid 5240] close(8) = -1 EBADF (Bad file descriptor)
[pid 5240] close(9) = -1 EBADF (Bad file descriptor)
[pid 5240] close(10) = -1 EBADF (Bad file descriptor)
[pid 5240] close(11) = -1 EBADF (Bad file descriptor)
[pid 5240] close(12) = -1 EBADF (Bad file descriptor)
[pid 5240] close(13) = -1 EBADF (Bad file descriptor)
[pid 5240] close(14) = -1 EBADF (Bad file descriptor)
[pid 5240] close(15) = -1 EBADF (Bad file descriptor)
[pid 5240] close(16) = -1 EBADF (Bad file descriptor)
[pid 5240] close(17) = -1 EBADF (Bad file descriptor)
[pid 5240] close(18) = -1 EBADF (Bad file descriptor)
[pid 5240] close(19) = -1 EBADF (Bad file descriptor)
[pid 5240] close(20) = -1 EBADF (Bad file descriptor)
[pid 5240] close(21) = -1 EBADF (Bad file descriptor)
[pid 5240] close(22) = -1 EBADF (Bad file descriptor)
[pid 5240] close(23) = -1 EBADF (Bad file descriptor)
[pid 5240] close(24) = -1 EBADF (Bad file descriptor)
[pid 5240] close(25) = -1 EBADF (Bad file descriptor)
[pid 5240] close(26) = -1 EBADF (Bad file descriptor)
[pid 5240] close(27) = -1 EBADF (Bad file descriptor)
[pid 5240] close(28) = -1 EBADF (Bad file descriptor)
[pid 5240] close(29) = -1 EBADF (Bad file descriptor)
[pid 5240] exit_group(0) = ?
[pid 5240] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./238/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./238/cgroup.cpu") = 0
[pid 5000] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./238/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./238/binderfs") = 0
[pid 5000] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./238/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./238/cgroup") = 0
[pid 5000] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./238/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./238/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./238") = 0
[pid 5000] mkdir("./239", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5241 attached
<unfinished ...>
[pid 5241] chdir("./239") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 241
[pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5241] setpgid(0, 0) = 0
[pid 5241] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5241] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5241] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5241] write(3, "1000", 4) = 4
[pid 5241] close(3) = 0
[pid 5241] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5241] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5241] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5241] openat(3, "freezer.state", O_RDWR) = 4
[pid 5241] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5241] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5241] close(3) = 0
[pid 5241] close(4) = 0
[pid 5241] close(5) = -1 EBADF (Bad file descriptor)
[pid 5241] close(6) = -1 EBADF (Bad file descriptor)
[pid 5241] close(7) = -1 EBADF (Bad file descriptor)
[pid 5241] close(8) = -1 EBADF (Bad file descriptor)
[pid 5241] close(9) = -1 EBADF (Bad file descriptor)
[pid 5241] close(10) = -1 EBADF (Bad file descriptor)
[pid 5241] close(11) = -1 EBADF (Bad file descriptor)
[pid 5241] close(12) = -1 EBADF (Bad file descriptor)
[pid 5241] close(13) = -1 EBADF (Bad file descriptor)
[pid 5241] close(14) = -1 EBADF (Bad file descriptor)
[pid 5241] close(15) = -1 EBADF (Bad file descriptor)
[pid 5241] close(16) = -1 EBADF (Bad file descriptor)
[pid 5241] close(17) = -1 EBADF (Bad file descriptor)
[pid 5241] close(18) = -1 EBADF (Bad file descriptor)
[pid 5241] close(19) = -1 EBADF (Bad file descriptor)
[pid 5241] close(20) = -1 EBADF (Bad file descriptor)
[pid 5241] close(21) = -1 EBADF (Bad file descriptor)
[pid 5241] close(22) = -1 EBADF (Bad file descriptor)
[pid 5241] close(23) = -1 EBADF (Bad file descriptor)
[pid 5241] close(24) = -1 EBADF (Bad file descriptor)
[pid 5241] close(25) = -1 EBADF (Bad file descriptor)
[pid 5241] close(26) = -1 EBADF (Bad file descriptor)
[pid 5241] close(27) = -1 EBADF (Bad file descriptor)
[pid 5241] close(28) = -1 EBADF (Bad file descriptor)
[pid 5241] close(29) = -1 EBADF (Bad file descriptor)
[pid 5241] exit_group(0) = ?
[pid 5241] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./239/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./239/cgroup.cpu") = 0
[pid 5000] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./239/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./239/binderfs") = 0
[pid 5000] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./239/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./239/cgroup") = 0
[pid 5000] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./239/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./239/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./239") = 0
[pid 5000] mkdir("./240", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5242 attached
<unfinished ...>
[pid 5242] chdir("./240") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 242
[pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5242] setpgid(0, 0) = 0
[pid 5242] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5242] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5242] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5242] write(3, "1000", 4) = 4
[pid 5242] close(3) = 0
[pid 5242] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5242] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5242] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5242] openat(3, "freezer.state", O_RDWR) = 4
[pid 5242] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5242] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5242] close(3) = 0
[pid 5242] close(4) = 0
[pid 5242] close(5) = -1 EBADF (Bad file descriptor)
[pid 5242] close(6) = -1 EBADF (Bad file descriptor)
[pid 5242] close(7) = -1 EBADF (Bad file descriptor)
[pid 5242] close(8) = -1 EBADF (Bad file descriptor)
[pid 5242] close(9) = -1 EBADF (Bad file descriptor)
[pid 5242] close(10) = -1 EBADF (Bad file descriptor)
[pid 5242] close(11) = -1 EBADF (Bad file descriptor)
[pid 5242] close(12) = -1 EBADF (Bad file descriptor)
[pid 5242] close(13) = -1 EBADF (Bad file descriptor)
[pid 5242] close(14) = -1 EBADF (Bad file descriptor)
[pid 5242] close(15) = -1 EBADF (Bad file descriptor)
[pid 5242] close(16) = -1 EBADF (Bad file descriptor)
[pid 5242] close(17) = -1 EBADF (Bad file descriptor)
[pid 5242] close(18) = -1 EBADF (Bad file descriptor)
[pid 5242] close(19) = -1 EBADF (Bad file descriptor)
[pid 5242] close(20) = -1 EBADF (Bad file descriptor)
[pid 5242] close(21) = -1 EBADF (Bad file descriptor)
[pid 5242] close(22) = -1 EBADF (Bad file descriptor)
[pid 5242] close(23) = -1 EBADF (Bad file descriptor)
[pid 5242] close(24) = -1 EBADF (Bad file descriptor)
[pid 5242] close(25) = -1 EBADF (Bad file descriptor)
[pid 5242] close(26) = -1 EBADF (Bad file descriptor)
[pid 5242] close(27) = -1 EBADF (Bad file descriptor)
[pid 5242] close(28) = -1 EBADF (Bad file descriptor)
[pid 5242] close(29) = -1 EBADF (Bad file descriptor)
[pid 5242] exit_group(0) = ?
[pid 5242] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./240/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./240/cgroup.cpu") = 0
[pid 5000] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./240/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./240/binderfs") = 0
[pid 5000] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./240/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./240/cgroup") = 0
[pid 5000] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./240/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./240/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./240") = 0
[pid 5000] mkdir("./241", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 243
./strace-static-x86_64: Process 5243 attached
[pid 5243] chdir("./241") = 0
[pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5243] setpgid(0, 0) = 0
[pid 5243] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5243] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5243] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5243] write(3, "1000", 4) = 4
[pid 5243] close(3) = 0
[pid 5243] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5243] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5243] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5243] openat(3, "freezer.state", O_RDWR) = 4
[pid 5243] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5243] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5243] close(3) = 0
[pid 5243] close(4) = 0
[pid 5243] close(5) = -1 EBADF (Bad file descriptor)
[pid 5243] close(6) = -1 EBADF (Bad file descriptor)
[pid 5243] close(7) = -1 EBADF (Bad file descriptor)
[pid 5243] close(8) = -1 EBADF (Bad file descriptor)
[pid 5243] close(9) = -1 EBADF (Bad file descriptor)
[pid 5243] close(10) = -1 EBADF (Bad file descriptor)
[pid 5243] close(11) = -1 EBADF (Bad file descriptor)
[pid 5243] close(12) = -1 EBADF (Bad file descriptor)
[pid 5243] close(13) = -1 EBADF (Bad file descriptor)
[pid 5243] close(14) = -1 EBADF (Bad file descriptor)
[pid 5243] close(15) = -1 EBADF (Bad file descriptor)
[pid 5243] close(16) = -1 EBADF (Bad file descriptor)
[pid 5243] close(17) = -1 EBADF (Bad file descriptor)
[pid 5243] close(18) = -1 EBADF (Bad file descriptor)
[pid 5243] close(19) = -1 EBADF (Bad file descriptor)
[pid 5243] close(20) = -1 EBADF (Bad file descriptor)
[pid 5243] close(21) = -1 EBADF (Bad file descriptor)
[pid 5243] close(22) = -1 EBADF (Bad file descriptor)
[pid 5243] close(23) = -1 EBADF (Bad file descriptor)
[pid 5243] close(24) = -1 EBADF (Bad file descriptor)
[pid 5243] close(25) = -1 EBADF (Bad file descriptor)
[pid 5243] close(26) = -1 EBADF (Bad file descriptor)
[pid 5243] close(27) = -1 EBADF (Bad file descriptor)
[pid 5243] close(28) = -1 EBADF (Bad file descriptor)
[pid 5243] close(29) = -1 EBADF (Bad file descriptor)
[pid 5243] exit_group(0) = ?
[pid 5243] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./241/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./241/cgroup.cpu") = 0
[pid 5000] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./241/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./241/binderfs") = 0
[pid 5000] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./241/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./241/cgroup") = 0
[pid 5000] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./241/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./241/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./241") = 0
[pid 5000] mkdir("./242", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5244 attached
<unfinished ...>
[pid 5244] chdir("./242") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 244
[pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5244] setpgid(0, 0) = 0
[pid 5244] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5244] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5244] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5244] write(3, "1000", 4) = 4
[pid 5244] close(3) = 0
[pid 5244] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5244] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5244] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5244] openat(3, "freezer.state", O_RDWR) = 4
[pid 5244] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5244] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5244] close(3) = 0
[pid 5244] close(4) = 0
[pid 5244] close(5) = -1 EBADF (Bad file descriptor)
[pid 5244] close(6) = -1 EBADF (Bad file descriptor)
[pid 5244] close(7) = -1 EBADF (Bad file descriptor)
[pid 5244] close(8) = -1 EBADF (Bad file descriptor)
[pid 5244] close(9) = -1 EBADF (Bad file descriptor)
[pid 5244] close(10) = -1 EBADF (Bad file descriptor)
[pid 5244] close(11) = -1 EBADF (Bad file descriptor)
[pid 5244] close(12) = -1 EBADF (Bad file descriptor)
[pid 5244] close(13) = -1 EBADF (Bad file descriptor)
[pid 5244] close(14) = -1 EBADF (Bad file descriptor)
[pid 5244] close(15) = -1 EBADF (Bad file descriptor)
[pid 5244] close(16) = -1 EBADF (Bad file descriptor)
[pid 5244] close(17) = -1 EBADF (Bad file descriptor)
[pid 5244] close(18) = -1 EBADF (Bad file descriptor)
[pid 5244] close(19) = -1 EBADF (Bad file descriptor)
[pid 5244] close(20) = -1 EBADF (Bad file descriptor)
[pid 5244] close(21) = -1 EBADF (Bad file descriptor)
[pid 5244] close(22) = -1 EBADF (Bad file descriptor)
[pid 5244] close(23) = -1 EBADF (Bad file descriptor)
[pid 5244] close(24) = -1 EBADF (Bad file descriptor)
[pid 5244] close(25) = -1 EBADF (Bad file descriptor)
[pid 5244] close(26) = -1 EBADF (Bad file descriptor)
[pid 5244] close(27) = -1 EBADF (Bad file descriptor)
[pid 5244] close(28) = -1 EBADF (Bad file descriptor)
[pid 5244] close(29) = -1 EBADF (Bad file descriptor)
[pid 5244] exit_group(0) = ?
[pid 5244] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./242/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./242/cgroup.cpu") = 0
[pid 5000] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./242/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./242/binderfs") = 0
[pid 5000] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./242/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./242/cgroup") = 0
[pid 5000] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./242/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./242/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./242") = 0
[pid 5000] mkdir("./243", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5245 attached
<unfinished ...>
[pid 5245] chdir("./243") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 245
[pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5245] setpgid(0, 0) = 0
[pid 5245] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5245] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5245] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5245] write(3, "1000", 4) = 4
[pid 5245] close(3) = 0
[pid 5245] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5245] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5245] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5245] openat(3, "freezer.state", O_RDWR) = 4
[pid 5245] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5245] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5245] close(3) = 0
[pid 5245] close(4) = 0
[pid 5245] close(5) = -1 EBADF (Bad file descriptor)
[pid 5245] close(6) = -1 EBADF (Bad file descriptor)
[pid 5245] close(7) = -1 EBADF (Bad file descriptor)
[pid 5245] close(8) = -1 EBADF (Bad file descriptor)
[pid 5245] close(9) = -1 EBADF (Bad file descriptor)
[pid 5245] close(10) = -1 EBADF (Bad file descriptor)
[pid 5245] close(11) = -1 EBADF (Bad file descriptor)
[pid 5245] close(12) = -1 EBADF (Bad file descriptor)
[pid 5245] close(13) = -1 EBADF (Bad file descriptor)
[pid 5245] close(14) = -1 EBADF (Bad file descriptor)
[pid 5245] close(15) = -1 EBADF (Bad file descriptor)
[pid 5245] close(16) = -1 EBADF (Bad file descriptor)
[pid 5245] close(17) = -1 EBADF (Bad file descriptor)
[pid 5245] close(18) = -1 EBADF (Bad file descriptor)
[pid 5245] close(19) = -1 EBADF (Bad file descriptor)
[pid 5245] close(20) = -1 EBADF (Bad file descriptor)
[pid 5245] close(21) = -1 EBADF (Bad file descriptor)
[pid 5245] close(22) = -1 EBADF (Bad file descriptor)
[pid 5245] close(23) = -1 EBADF (Bad file descriptor)
[pid 5245] close(24) = -1 EBADF (Bad file descriptor)
[pid 5245] close(25) = -1 EBADF (Bad file descriptor)
[pid 5245] close(26) = -1 EBADF (Bad file descriptor)
[pid 5245] close(27) = -1 EBADF (Bad file descriptor)
[pid 5245] close(28) = -1 EBADF (Bad file descriptor)
[pid 5245] close(29) = -1 EBADF (Bad file descriptor)
[pid 5245] exit_group(0) = ?
[pid 5245] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./243/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./243/cgroup.cpu") = 0
[pid 5000] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./243/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./243/binderfs") = 0
[pid 5000] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./243/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./243/cgroup") = 0
[pid 5000] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./243/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./243/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./243") = 0
[pid 5000] mkdir("./244", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 246
./strace-static-x86_64: Process 5246 attached
[pid 5246] chdir("./244") = 0
[pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5246] setpgid(0, 0) = 0
[pid 5246] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5246] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5246] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5246] write(3, "1000", 4) = 4
[pid 5246] close(3) = 0
[pid 5246] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5246] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5246] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5246] openat(3, "freezer.state", O_RDWR) = 4
[pid 5246] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5246] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5246] close(3) = 0
[pid 5246] close(4) = 0
[pid 5246] close(5) = -1 EBADF (Bad file descriptor)
[pid 5246] close(6) = -1 EBADF (Bad file descriptor)
[pid 5246] close(7) = -1 EBADF (Bad file descriptor)
[pid 5246] close(8) = -1 EBADF (Bad file descriptor)
[pid 5246] close(9) = -1 EBADF (Bad file descriptor)
[pid 5246] close(10) = -1 EBADF (Bad file descriptor)
[pid 5246] close(11) = -1 EBADF (Bad file descriptor)
[pid 5246] close(12) = -1 EBADF (Bad file descriptor)
[pid 5246] close(13) = -1 EBADF (Bad file descriptor)
[pid 5246] close(14) = -1 EBADF (Bad file descriptor)
[pid 5246] close(15) = -1 EBADF (Bad file descriptor)
[pid 5246] close(16) = -1 EBADF (Bad file descriptor)
[pid 5246] close(17) = -1 EBADF (Bad file descriptor)
[pid 5246] close(18) = -1 EBADF (Bad file descriptor)
[pid 5246] close(19) = -1 EBADF (Bad file descriptor)
[pid 5246] close(20) = -1 EBADF (Bad file descriptor)
[pid 5246] close(21) = -1 EBADF (Bad file descriptor)
[pid 5246] close(22) = -1 EBADF (Bad file descriptor)
[pid 5246] close(23) = -1 EBADF (Bad file descriptor)
[pid 5246] close(24) = -1 EBADF (Bad file descriptor)
[pid 5246] close(25) = -1 EBADF (Bad file descriptor)
[pid 5246] close(26) = -1 EBADF (Bad file descriptor)
[pid 5246] close(27) = -1 EBADF (Bad file descriptor)
[pid 5246] close(28) = -1 EBADF (Bad file descriptor)
[pid 5246] close(29) = -1 EBADF (Bad file descriptor)
[pid 5246] exit_group(0) = ?
[pid 5246] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./244/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./244/cgroup.cpu") = 0
[pid 5000] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./244/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./244/binderfs") = 0
[pid 5000] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./244/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./244/cgroup") = 0
[pid 5000] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./244/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./244/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./244") = 0
[pid 5000] mkdir("./245", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5247 attached
<unfinished ...>
[pid 5247] chdir("./245") = 0
[pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5247] setpgid(0, 0) = 0
[pid 5247] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 247
[pid 5247] <... symlink resumed>) = 0
[pid 5247] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5247] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5247] write(3, "1000", 4) = 4
[pid 5247] close(3) = 0
[pid 5247] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5247] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5247] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5247] openat(3, "freezer.state", O_RDWR) = 4
[pid 5247] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5247] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5247] close(3) = 0
[pid 5247] close(4) = 0
[pid 5247] close(5) = -1 EBADF (Bad file descriptor)
[pid 5247] close(6) = -1 EBADF (Bad file descriptor)
[pid 5247] close(7) = -1 EBADF (Bad file descriptor)
[pid 5247] close(8) = -1 EBADF (Bad file descriptor)
[pid 5247] close(9) = -1 EBADF (Bad file descriptor)
[pid 5247] close(10) = -1 EBADF (Bad file descriptor)
[pid 5247] close(11) = -1 EBADF (Bad file descriptor)
[pid 5247] close(12) = -1 EBADF (Bad file descriptor)
[pid 5247] close(13) = -1 EBADF (Bad file descriptor)
[pid 5247] close(14) = -1 EBADF (Bad file descriptor)
[pid 5247] close(15) = -1 EBADF (Bad file descriptor)
[pid 5247] close(16) = -1 EBADF (Bad file descriptor)
[pid 5247] close(17) = -1 EBADF (Bad file descriptor)
[pid 5247] close(18) = -1 EBADF (Bad file descriptor)
[pid 5247] close(19) = -1 EBADF (Bad file descriptor)
[pid 5247] close(20) = -1 EBADF (Bad file descriptor)
[pid 5247] close(21) = -1 EBADF (Bad file descriptor)
[pid 5247] close(22) = -1 EBADF (Bad file descriptor)
[pid 5247] close(23) = -1 EBADF (Bad file descriptor)
[pid 5247] close(24) = -1 EBADF (Bad file descriptor)
[pid 5247] close(25) = -1 EBADF (Bad file descriptor)
[pid 5247] close(26) = -1 EBADF (Bad file descriptor)
[pid 5247] close(27) = -1 EBADF (Bad file descriptor)
[pid 5247] close(28) = -1 EBADF (Bad file descriptor)
[pid 5247] close(29) = -1 EBADF (Bad file descriptor)
[pid 5247] exit_group(0) = ?
[pid 5247] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./245/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./245/cgroup.cpu") = 0
[pid 5000] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./245/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./245/binderfs") = 0
[pid 5000] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./245/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./245/cgroup") = 0
[pid 5000] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./245/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./245/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./245") = 0
[pid 5000] mkdir("./246", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5248 attached
<unfinished ...>
[pid 5248] chdir("./246") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 248
[pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5248] setpgid(0, 0) = 0
[pid 5248] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5248] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5248] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5248] write(3, "1000", 4) = 4
[pid 5248] close(3) = 0
[pid 5248] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5248] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5248] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5248] openat(3, "freezer.state", O_RDWR) = 4
[pid 5248] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5248] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5248] close(3) = 0
[pid 5248] close(4) = 0
[pid 5248] close(5) = -1 EBADF (Bad file descriptor)
[pid 5248] close(6) = -1 EBADF (Bad file descriptor)
[pid 5248] close(7) = -1 EBADF (Bad file descriptor)
[pid 5248] close(8) = -1 EBADF (Bad file descriptor)
[pid 5248] close(9) = -1 EBADF (Bad file descriptor)
[pid 5248] close(10) = -1 EBADF (Bad file descriptor)
[pid 5248] close(11) = -1 EBADF (Bad file descriptor)
[pid 5248] close(12) = -1 EBADF (Bad file descriptor)
[pid 5248] close(13) = -1 EBADF (Bad file descriptor)
[pid 5248] close(14) = -1 EBADF (Bad file descriptor)
[pid 5248] close(15) = -1 EBADF (Bad file descriptor)
[pid 5248] close(16) = -1 EBADF (Bad file descriptor)
[pid 5248] close(17) = -1 EBADF (Bad file descriptor)
[pid 5248] close(18) = -1 EBADF (Bad file descriptor)
[pid 5248] close(19) = -1 EBADF (Bad file descriptor)
[pid 5248] close(20) = -1 EBADF (Bad file descriptor)
[pid 5248] close(21) = -1 EBADF (Bad file descriptor)
[pid 5248] close(22) = -1 EBADF (Bad file descriptor)
[pid 5248] close(23) = -1 EBADF (Bad file descriptor)
[pid 5248] close(24) = -1 EBADF (Bad file descriptor)
[pid 5248] close(25) = -1 EBADF (Bad file descriptor)
[pid 5248] close(26) = -1 EBADF (Bad file descriptor)
[pid 5248] close(27) = -1 EBADF (Bad file descriptor)
[pid 5248] close(28) = -1 EBADF (Bad file descriptor)
[pid 5248] close(29) = -1 EBADF (Bad file descriptor)
[pid 5248] exit_group(0) = ?
[pid 5248] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./246/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./246/cgroup.cpu") = 0
[pid 5000] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./246/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./246/binderfs") = 0
[pid 5000] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./246/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./246/cgroup") = 0
[pid 5000] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./246/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./246/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./246") = 0
[pid 5000] mkdir("./247", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached
<unfinished ...>
[pid 5249] chdir("./247") = 0
[pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 249
[pid 5249] setpgid(0, 0) = 0
[pid 5249] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5249] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5249] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5249] write(3, "1000", 4) = 4
[pid 5249] close(3) = 0
[pid 5249] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5249] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5249] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5249] openat(3, "freezer.state", O_RDWR) = 4
[pid 5249] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5249] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5249] close(3) = 0
[pid 5249] close(4) = 0
[pid 5249] close(5) = -1 EBADF (Bad file descriptor)
[pid 5249] close(6) = -1 EBADF (Bad file descriptor)
[pid 5249] close(7) = -1 EBADF (Bad file descriptor)
[pid 5249] close(8) = -1 EBADF (Bad file descriptor)
[pid 5249] close(9) = -1 EBADF (Bad file descriptor)
[pid 5249] close(10) = -1 EBADF (Bad file descriptor)
[pid 5249] close(11) = -1 EBADF (Bad file descriptor)
[pid 5249] close(12) = -1 EBADF (Bad file descriptor)
[pid 5249] close(13) = -1 EBADF (Bad file descriptor)
[pid 5249] close(14) = -1 EBADF (Bad file descriptor)
[pid 5249] close(15) = -1 EBADF (Bad file descriptor)
[pid 5249] close(16) = -1 EBADF (Bad file descriptor)
[pid 5249] close(17) = -1 EBADF (Bad file descriptor)
[pid 5249] close(18) = -1 EBADF (Bad file descriptor)
[pid 5249] close(19) = -1 EBADF (Bad file descriptor)
[pid 5249] close(20) = -1 EBADF (Bad file descriptor)
[pid 5249] close(21) = -1 EBADF (Bad file descriptor)
[pid 5249] close(22) = -1 EBADF (Bad file descriptor)
[pid 5249] close(23) = -1 EBADF (Bad file descriptor)
[pid 5249] close(24) = -1 EBADF (Bad file descriptor)
[pid 5249] close(25) = -1 EBADF (Bad file descriptor)
[pid 5249] close(26) = -1 EBADF (Bad file descriptor)
[pid 5249] close(27) = -1 EBADF (Bad file descriptor)
[pid 5249] close(28) = -1 EBADF (Bad file descriptor)
[pid 5249] close(29) = -1 EBADF (Bad file descriptor)
[pid 5249] exit_group(0) = ?
[pid 5249] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./247/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./247/cgroup.cpu") = 0
[pid 5000] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./247/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./247/binderfs") = 0
[pid 5000] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./247/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./247/cgroup") = 0
[pid 5000] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./247/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./247/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./247") = 0
[pid 5000] mkdir("./248", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5250 attached
<unfinished ...>
[pid 5250] chdir("./248") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 250
[pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5250] setpgid(0, 0) = 0
[pid 5250] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5250] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5250] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5250] write(3, "1000", 4) = 4
[pid 5250] close(3) = 0
[pid 5250] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5250] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5250] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5250] openat(3, "freezer.state", O_RDWR) = 4
[pid 5250] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5250] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5250] close(3) = 0
[pid 5250] close(4) = 0
[pid 5250] close(5) = -1 EBADF (Bad file descriptor)
[pid 5250] close(6) = -1 EBADF (Bad file descriptor)
[pid 5250] close(7) = -1 EBADF (Bad file descriptor)
[pid 5250] close(8) = -1 EBADF (Bad file descriptor)
[pid 5250] close(9) = -1 EBADF (Bad file descriptor)
[pid 5250] close(10) = -1 EBADF (Bad file descriptor)
[pid 5250] close(11) = -1 EBADF (Bad file descriptor)
[pid 5250] close(12) = -1 EBADF (Bad file descriptor)
[pid 5250] close(13) = -1 EBADF (Bad file descriptor)
[pid 5250] close(14) = -1 EBADF (Bad file descriptor)
[pid 5250] close(15) = -1 EBADF (Bad file descriptor)
[pid 5250] close(16) = -1 EBADF (Bad file descriptor)
[pid 5250] close(17) = -1 EBADF (Bad file descriptor)
[pid 5250] close(18) = -1 EBADF (Bad file descriptor)
[pid 5250] close(19) = -1 EBADF (Bad file descriptor)
[pid 5250] close(20) = -1 EBADF (Bad file descriptor)
[pid 5250] close(21) = -1 EBADF (Bad file descriptor)
[pid 5250] close(22) = -1 EBADF (Bad file descriptor)
[pid 5250] close(23) = -1 EBADF (Bad file descriptor)
[pid 5250] close(24) = -1 EBADF (Bad file descriptor)
[pid 5250] close(25) = -1 EBADF (Bad file descriptor)
[pid 5250] close(26) = -1 EBADF (Bad file descriptor)
[pid 5250] close(27) = -1 EBADF (Bad file descriptor)
[pid 5250] close(28) = -1 EBADF (Bad file descriptor)
[pid 5250] close(29) = -1 EBADF (Bad file descriptor)
[pid 5250] exit_group(0) = ?
[pid 5250] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./248/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./248/cgroup.cpu") = 0
[pid 5000] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./248/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./248/binderfs") = 0
[pid 5000] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./248/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./248/cgroup") = 0
[pid 5000] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./248/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./248/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./248") = 0
[pid 5000] mkdir("./249", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5251 attached
<unfinished ...>
[pid 5251] chdir("./249") = 0
[pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 251
[pid 5251] setpgid(0, 0) = 0
[pid 5251] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5251] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5251] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5251] write(3, "1000", 4) = 4
[pid 5251] close(3) = 0
[pid 5251] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5251] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5251] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5251] openat(3, "freezer.state", O_RDWR) = 4
[pid 5251] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5251] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5251] close(3) = 0
[pid 5251] close(4) = 0
[pid 5251] close(5) = -1 EBADF (Bad file descriptor)
[pid 5251] close(6) = -1 EBADF (Bad file descriptor)
[pid 5251] close(7) = -1 EBADF (Bad file descriptor)
[pid 5251] close(8) = -1 EBADF (Bad file descriptor)
[pid 5251] close(9) = -1 EBADF (Bad file descriptor)
[pid 5251] close(10) = -1 EBADF (Bad file descriptor)
[pid 5251] close(11) = -1 EBADF (Bad file descriptor)
[pid 5251] close(12) = -1 EBADF (Bad file descriptor)
[pid 5251] close(13) = -1 EBADF (Bad file descriptor)
[pid 5251] close(14) = -1 EBADF (Bad file descriptor)
[pid 5251] close(15) = -1 EBADF (Bad file descriptor)
[pid 5251] close(16) = -1 EBADF (Bad file descriptor)
[pid 5251] close(17) = -1 EBADF (Bad file descriptor)
[pid 5251] close(18) = -1 EBADF (Bad file descriptor)
[pid 5251] close(19) = -1 EBADF (Bad file descriptor)
[pid 5251] close(20) = -1 EBADF (Bad file descriptor)
[pid 5251] close(21) = -1 EBADF (Bad file descriptor)
[pid 5251] close(22) = -1 EBADF (Bad file descriptor)
[pid 5251] close(23) = -1 EBADF (Bad file descriptor)
[pid 5251] close(24) = -1 EBADF (Bad file descriptor)
[pid 5251] close(25) = -1 EBADF (Bad file descriptor)
[pid 5251] close(26) = -1 EBADF (Bad file descriptor)
[pid 5251] close(27) = -1 EBADF (Bad file descriptor)
[pid 5251] close(28) = -1 EBADF (Bad file descriptor)
[pid 5251] close(29) = -1 EBADF (Bad file descriptor)
[pid 5251] exit_group(0) = ?
[pid 5251] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./249/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./249/cgroup.cpu") = 0
[pid 5000] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./249/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./249/binderfs") = 0
[pid 5000] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./249/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./249/cgroup") = 0
[pid 5000] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./249/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./249/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./249") = 0
[pid 5000] mkdir("./250", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5252 attached
<unfinished ...>
[pid 5252] chdir("./250") = 0
[pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 252
[pid 5252] <... prctl resumed>) = 0
[pid 5252] setpgid(0, 0) = 0
[pid 5252] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5252] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5252] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5252] write(3, "1000", 4) = 4
[pid 5252] close(3) = 0
[pid 5252] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5252] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5252] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5252] openat(3, "freezer.state", O_RDWR) = 4
[pid 5252] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5252] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5252] close(3) = 0
[pid 5252] close(4) = 0
[pid 5252] close(5) = -1 EBADF (Bad file descriptor)
[pid 5252] close(6) = -1 EBADF (Bad file descriptor)
[pid 5252] close(7) = -1 EBADF (Bad file descriptor)
[pid 5252] close(8) = -1 EBADF (Bad file descriptor)
[pid 5252] close(9) = -1 EBADF (Bad file descriptor)
[pid 5252] close(10) = -1 EBADF (Bad file descriptor)
[pid 5252] close(11) = -1 EBADF (Bad file descriptor)
[pid 5252] close(12) = -1 EBADF (Bad file descriptor)
[pid 5252] close(13) = -1 EBADF (Bad file descriptor)
[pid 5252] close(14) = -1 EBADF (Bad file descriptor)
[pid 5252] close(15) = -1 EBADF (Bad file descriptor)
[pid 5252] close(16) = -1 EBADF (Bad file descriptor)
[pid 5252] close(17) = -1 EBADF (Bad file descriptor)
[pid 5252] close(18) = -1 EBADF (Bad file descriptor)
[pid 5252] close(19) = -1 EBADF (Bad file descriptor)
[pid 5252] close(20) = -1 EBADF (Bad file descriptor)
[pid 5252] close(21) = -1 EBADF (Bad file descriptor)
[pid 5252] close(22) = -1 EBADF (Bad file descriptor)
[pid 5252] close(23) = -1 EBADF (Bad file descriptor)
[pid 5252] close(24) = -1 EBADF (Bad file descriptor)
[pid 5252] close(25) = -1 EBADF (Bad file descriptor)
[pid 5252] close(26) = -1 EBADF (Bad file descriptor)
[pid 5252] close(27) = -1 EBADF (Bad file descriptor)
[pid 5252] close(28) = -1 EBADF (Bad file descriptor)
[pid 5252] close(29) = -1 EBADF (Bad file descriptor)
[pid 5252] exit_group(0) = ?
[pid 5252] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./250/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./250/cgroup.cpu") = 0
[pid 5000] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./250/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./250/binderfs") = 0
[pid 5000] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./250/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./250/cgroup") = 0
[pid 5000] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./250/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./250/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./250") = 0
[pid 5000] mkdir("./251", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5253 attached
, child_tidptr=0x55555723f5d0) = 253
[pid 5253] chdir("./251") = 0
[pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5253] setpgid(0, 0) = 0
[pid 5253] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5253] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5253] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5253] write(3, "1000", 4) = 4
[pid 5253] close(3) = 0
[pid 5253] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5253] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5253] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5253] openat(3, "freezer.state", O_RDWR) = 4
[pid 5253] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5253] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5253] close(3) = 0
[pid 5253] close(4) = 0
[pid 5253] close(5) = -1 EBADF (Bad file descriptor)
[pid 5253] close(6) = -1 EBADF (Bad file descriptor)
[pid 5253] close(7) = -1 EBADF (Bad file descriptor)
[pid 5253] close(8) = -1 EBADF (Bad file descriptor)
[pid 5253] close(9) = -1 EBADF (Bad file descriptor)
[pid 5253] close(10) = -1 EBADF (Bad file descriptor)
[pid 5253] close(11) = -1 EBADF (Bad file descriptor)
[pid 5253] close(12) = -1 EBADF (Bad file descriptor)
[pid 5253] close(13) = -1 EBADF (Bad file descriptor)
[pid 5253] close(14) = -1 EBADF (Bad file descriptor)
[pid 5253] close(15) = -1 EBADF (Bad file descriptor)
[pid 5253] close(16) = -1 EBADF (Bad file descriptor)
[pid 5253] close(17) = -1 EBADF (Bad file descriptor)
[pid 5253] close(18) = -1 EBADF (Bad file descriptor)
[pid 5253] close(19) = -1 EBADF (Bad file descriptor)
[pid 5253] close(20) = -1 EBADF (Bad file descriptor)
[pid 5253] close(21) = -1 EBADF (Bad file descriptor)
[pid 5253] close(22) = -1 EBADF (Bad file descriptor)
[pid 5253] close(23) = -1 EBADF (Bad file descriptor)
[pid 5253] close(24) = -1 EBADF (Bad file descriptor)
[pid 5253] close(25) = -1 EBADF (Bad file descriptor)
[pid 5253] close(26) = -1 EBADF (Bad file descriptor)
[pid 5253] close(27) = -1 EBADF (Bad file descriptor)
[pid 5253] close(28) = -1 EBADF (Bad file descriptor)
[pid 5253] close(29) = -1 EBADF (Bad file descriptor)
[pid 5253] exit_group(0) = ?
[pid 5253] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./251/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./251/cgroup.cpu") = 0
[pid 5000] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./251/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./251/binderfs") = 0
[pid 5000] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./251/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./251/cgroup") = 0
[pid 5000] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./251/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./251/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./251") = 0
[pid 5000] mkdir("./252", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5254 attached
, child_tidptr=0x55555723f5d0) = 254
[pid 5254] chdir("./252") = 0
[pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5254] setpgid(0, 0) = 0
[pid 5254] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5254] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5254] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5254] write(3, "1000", 4) = 4
[pid 5254] close(3) = 0
[pid 5254] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5254] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5254] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5254] openat(3, "freezer.state", O_RDWR) = 4
[pid 5254] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5254] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5254] close(3) = 0
[pid 5254] close(4) = 0
[pid 5254] close(5) = -1 EBADF (Bad file descriptor)
[pid 5254] close(6) = -1 EBADF (Bad file descriptor)
[pid 5254] close(7) = -1 EBADF (Bad file descriptor)
[pid 5254] close(8) = -1 EBADF (Bad file descriptor)
[pid 5254] close(9) = -1 EBADF (Bad file descriptor)
[pid 5254] close(10) = -1 EBADF (Bad file descriptor)
[pid 5254] close(11) = -1 EBADF (Bad file descriptor)
[pid 5254] close(12) = -1 EBADF (Bad file descriptor)
[pid 5254] close(13) = -1 EBADF (Bad file descriptor)
[pid 5254] close(14) = -1 EBADF (Bad file descriptor)
[pid 5254] close(15) = -1 EBADF (Bad file descriptor)
[pid 5254] close(16) = -1 EBADF (Bad file descriptor)
[pid 5254] close(17) = -1 EBADF (Bad file descriptor)
[pid 5254] close(18) = -1 EBADF (Bad file descriptor)
[pid 5254] close(19) = -1 EBADF (Bad file descriptor)
[pid 5254] close(20) = -1 EBADF (Bad file descriptor)
[pid 5254] close(21) = -1 EBADF (Bad file descriptor)
[pid 5254] close(22) = -1 EBADF (Bad file descriptor)
[pid 5254] close(23) = -1 EBADF (Bad file descriptor)
[pid 5254] close(24) = -1 EBADF (Bad file descriptor)
[pid 5254] close(25) = -1 EBADF (Bad file descriptor)
[pid 5254] close(26) = -1 EBADF (Bad file descriptor)
[pid 5254] close(27) = -1 EBADF (Bad file descriptor)
[pid 5254] close(28) = -1 EBADF (Bad file descriptor)
[pid 5254] close(29) = -1 EBADF (Bad file descriptor)
[pid 5254] exit_group(0) = ?
[pid 5254] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./252/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./252/cgroup.cpu") = 0
[pid 5000] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./252/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./252/binderfs") = 0
[pid 5000] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./252/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./252/cgroup") = 0
[pid 5000] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./252/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./252/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./252") = 0
[pid 5000] mkdir("./253", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 255
./strace-static-x86_64: Process 5255 attached
[pid 5255] chdir("./253") = 0
[pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5255] setpgid(0, 0) = 0
[pid 5255] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5255] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5255] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5255] write(3, "1000", 4) = 4
[pid 5255] close(3) = 0
[pid 5255] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5255] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5255] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5255] openat(3, "freezer.state", O_RDWR) = 4
[pid 5255] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5255] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5255] close(3) = 0
[pid 5255] close(4) = 0
[pid 5255] close(5) = -1 EBADF (Bad file descriptor)
[pid 5255] close(6) = -1 EBADF (Bad file descriptor)
[pid 5255] close(7) = -1 EBADF (Bad file descriptor)
[pid 5255] close(8) = -1 EBADF (Bad file descriptor)
[pid 5255] close(9) = -1 EBADF (Bad file descriptor)
[pid 5255] close(10) = -1 EBADF (Bad file descriptor)
[pid 5255] close(11) = -1 EBADF (Bad file descriptor)
[pid 5255] close(12) = -1 EBADF (Bad file descriptor)
[pid 5255] close(13) = -1 EBADF (Bad file descriptor)
[pid 5255] close(14) = -1 EBADF (Bad file descriptor)
[pid 5255] close(15) = -1 EBADF (Bad file descriptor)
[pid 5255] close(16) = -1 EBADF (Bad file descriptor)
[pid 5255] close(17) = -1 EBADF (Bad file descriptor)
[pid 5255] close(18) = -1 EBADF (Bad file descriptor)
[pid 5255] close(19) = -1 EBADF (Bad file descriptor)
[pid 5255] close(20) = -1 EBADF (Bad file descriptor)
[pid 5255] close(21) = -1 EBADF (Bad file descriptor)
[pid 5255] close(22) = -1 EBADF (Bad file descriptor)
[pid 5255] close(23) = -1 EBADF (Bad file descriptor)
[pid 5255] close(24) = -1 EBADF (Bad file descriptor)
[pid 5255] close(25) = -1 EBADF (Bad file descriptor)
[pid 5255] close(26) = -1 EBADF (Bad file descriptor)
[pid 5255] close(27) = -1 EBADF (Bad file descriptor)
[pid 5255] close(28) = -1 EBADF (Bad file descriptor)
[pid 5255] close(29) = -1 EBADF (Bad file descriptor)
[pid 5255] exit_group(0) = ?
[pid 5255] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./253/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./253/cgroup.cpu") = 0
[pid 5000] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./253/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./253/binderfs") = 0
[pid 5000] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./253/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./253/cgroup") = 0
[pid 5000] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./253/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./253/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./253") = 0
[pid 5000] mkdir("./254", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5256 attached
, child_tidptr=0x55555723f5d0) = 256
[pid 5256] chdir("./254") = 0
[pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5256] setpgid(0, 0) = 0
[pid 5256] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5256] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5256] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5256] write(3, "1000", 4) = 4
[pid 5256] close(3) = 0
[pid 5256] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5256] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5256] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5256] openat(3, "freezer.state", O_RDWR) = 4
[pid 5256] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5256] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5256] close(3) = 0
[pid 5256] close(4) = 0
[pid 5256] close(5) = -1 EBADF (Bad file descriptor)
[pid 5256] close(6) = -1 EBADF (Bad file descriptor)
[pid 5256] close(7) = -1 EBADF (Bad file descriptor)
[pid 5256] close(8) = -1 EBADF (Bad file descriptor)
[pid 5256] close(9) = -1 EBADF (Bad file descriptor)
[pid 5256] close(10) = -1 EBADF (Bad file descriptor)
[pid 5256] close(11) = -1 EBADF (Bad file descriptor)
[pid 5256] close(12) = -1 EBADF (Bad file descriptor)
[pid 5256] close(13) = -1 EBADF (Bad file descriptor)
[pid 5256] close(14) = -1 EBADF (Bad file descriptor)
[pid 5256] close(15) = -1 EBADF (Bad file descriptor)
[pid 5256] close(16) = -1 EBADF (Bad file descriptor)
[pid 5256] close(17) = -1 EBADF (Bad file descriptor)
[pid 5256] close(18) = -1 EBADF (Bad file descriptor)
[pid 5256] close(19) = -1 EBADF (Bad file descriptor)
[pid 5256] close(20) = -1 EBADF (Bad file descriptor)
[pid 5256] close(21) = -1 EBADF (Bad file descriptor)
[pid 5256] close(22) = -1 EBADF (Bad file descriptor)
[pid 5256] close(23) = -1 EBADF (Bad file descriptor)
[pid 5256] close(24) = -1 EBADF (Bad file descriptor)
[pid 5256] close(25) = -1 EBADF (Bad file descriptor)
[pid 5256] close(26) = -1 EBADF (Bad file descriptor)
[pid 5256] close(27) = -1 EBADF (Bad file descriptor)
[pid 5256] close(28) = -1 EBADF (Bad file descriptor)
[pid 5256] close(29) = -1 EBADF (Bad file descriptor)
[pid 5256] exit_group(0) = ?
[pid 5256] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./254/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./254/cgroup.cpu") = 0
[pid 5000] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./254/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./254/binderfs") = 0
[pid 5000] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./254/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./254/cgroup") = 0
[pid 5000] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./254/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./254/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./254") = 0
[pid 5000] mkdir("./255", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 257
./strace-static-x86_64: Process 5257 attached
[pid 5257] chdir("./255") = 0
[pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5257] setpgid(0, 0) = 0
[pid 5257] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5257] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5257] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5257] write(3, "1000", 4) = 4
[pid 5257] close(3) = 0
[pid 5257] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5257] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5257] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5257] openat(3, "freezer.state", O_RDWR) = 4
[pid 5257] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5257] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5257] close(3) = 0
[pid 5257] close(4) = 0
[pid 5257] close(5) = -1 EBADF (Bad file descriptor)
[pid 5257] close(6) = -1 EBADF (Bad file descriptor)
[pid 5257] close(7) = -1 EBADF (Bad file descriptor)
[pid 5257] close(8) = -1 EBADF (Bad file descriptor)
[pid 5257] close(9) = -1 EBADF (Bad file descriptor)
[pid 5257] close(10) = -1 EBADF (Bad file descriptor)
[pid 5257] close(11) = -1 EBADF (Bad file descriptor)
[pid 5257] close(12) = -1 EBADF (Bad file descriptor)
[pid 5257] close(13) = -1 EBADF (Bad file descriptor)
[pid 5257] close(14) = -1 EBADF (Bad file descriptor)
[pid 5257] close(15) = -1 EBADF (Bad file descriptor)
[pid 5257] close(16) = -1 EBADF (Bad file descriptor)
[pid 5257] close(17) = -1 EBADF (Bad file descriptor)
[pid 5257] close(18) = -1 EBADF (Bad file descriptor)
[pid 5257] close(19) = -1 EBADF (Bad file descriptor)
[pid 5257] close(20) = -1 EBADF (Bad file descriptor)
[pid 5257] close(21) = -1 EBADF (Bad file descriptor)
[pid 5257] close(22) = -1 EBADF (Bad file descriptor)
[pid 5257] close(23) = -1 EBADF (Bad file descriptor)
[pid 5257] close(24) = -1 EBADF (Bad file descriptor)
[pid 5257] close(25) = -1 EBADF (Bad file descriptor)
[pid 5257] close(26) = -1 EBADF (Bad file descriptor)
[pid 5257] close(27) = -1 EBADF (Bad file descriptor)
[pid 5257] close(28) = -1 EBADF (Bad file descriptor)
[pid 5257] close(29) = -1 EBADF (Bad file descriptor)
[pid 5257] exit_group(0) = ?
[pid 5257] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./255/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./255/cgroup.cpu") = 0
[pid 5000] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./255/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./255/binderfs") = 0
[pid 5000] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./255/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./255/cgroup") = 0
[pid 5000] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./255/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./255/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./255") = 0
[pid 5000] mkdir("./256", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5258 attached
, child_tidptr=0x55555723f5d0) = 258
[pid 5258] chdir("./256") = 0
[pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5258] setpgid(0, 0) = 0
[pid 5258] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5258] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5258] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5258] write(3, "1000", 4) = 4
[pid 5258] close(3) = 0
[pid 5258] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5258] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5258] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5258] openat(3, "freezer.state", O_RDWR) = 4
[pid 5258] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5258] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5258] close(3) = 0
[pid 5258] close(4) = 0
[pid 5258] close(5) = -1 EBADF (Bad file descriptor)
[pid 5258] close(6) = -1 EBADF (Bad file descriptor)
[pid 5258] close(7) = -1 EBADF (Bad file descriptor)
[pid 5258] close(8) = -1 EBADF (Bad file descriptor)
[pid 5258] close(9) = -1 EBADF (Bad file descriptor)
[pid 5258] close(10) = -1 EBADF (Bad file descriptor)
[pid 5258] close(11) = -1 EBADF (Bad file descriptor)
[pid 5258] close(12) = -1 EBADF (Bad file descriptor)
[pid 5258] close(13) = -1 EBADF (Bad file descriptor)
[pid 5258] close(14) = -1 EBADF (Bad file descriptor)
[pid 5258] close(15) = -1 EBADF (Bad file descriptor)
[pid 5258] close(16) = -1 EBADF (Bad file descriptor)
[pid 5258] close(17) = -1 EBADF (Bad file descriptor)
[pid 5258] close(18) = -1 EBADF (Bad file descriptor)
[pid 5258] close(19) = -1 EBADF (Bad file descriptor)
[pid 5258] close(20) = -1 EBADF (Bad file descriptor)
[pid 5258] close(21) = -1 EBADF (Bad file descriptor)
[pid 5258] close(22) = -1 EBADF (Bad file descriptor)
[pid 5258] close(23) = -1 EBADF (Bad file descriptor)
[pid 5258] close(24) = -1 EBADF (Bad file descriptor)
[pid 5258] close(25) = -1 EBADF (Bad file descriptor)
[pid 5258] close(26) = -1 EBADF (Bad file descriptor)
[pid 5258] close(27) = -1 EBADF (Bad file descriptor)
[pid 5258] close(28) = -1 EBADF (Bad file descriptor)
[pid 5258] close(29) = -1 EBADF (Bad file descriptor)
[pid 5258] exit_group(0) = ?
[pid 5258] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./256/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./256/cgroup.cpu") = 0
[pid 5000] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./256/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./256/binderfs") = 0
[pid 5000] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./256/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./256/cgroup") = 0
[pid 5000] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./256/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./256/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./256") = 0
[pid 5000] mkdir("./257", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 259
./strace-static-x86_64: Process 5259 attached
[pid 5259] chdir("./257") = 0
[pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5259] setpgid(0, 0) = 0
[pid 5259] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5259] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5259] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5259] write(3, "1000", 4) = 4
[pid 5259] close(3) = 0
[pid 5259] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5259] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5259] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5259] openat(3, "freezer.state", O_RDWR) = 4
[pid 5259] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5259] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5259] close(3) = 0
[pid 5259] close(4) = 0
[pid 5259] close(5) = -1 EBADF (Bad file descriptor)
[pid 5259] close(6) = -1 EBADF (Bad file descriptor)
[pid 5259] close(7) = -1 EBADF (Bad file descriptor)
[pid 5259] close(8) = -1 EBADF (Bad file descriptor)
[pid 5259] close(9) = -1 EBADF (Bad file descriptor)
[pid 5259] close(10) = -1 EBADF (Bad file descriptor)
[pid 5259] close(11) = -1 EBADF (Bad file descriptor)
[pid 5259] close(12) = -1 EBADF (Bad file descriptor)
[pid 5259] close(13) = -1 EBADF (Bad file descriptor)
[pid 5259] close(14) = -1 EBADF (Bad file descriptor)
[pid 5259] close(15) = -1 EBADF (Bad file descriptor)
[pid 5259] close(16) = -1 EBADF (Bad file descriptor)
[pid 5259] close(17) = -1 EBADF (Bad file descriptor)
[pid 5259] close(18) = -1 EBADF (Bad file descriptor)
[pid 5259] close(19) = -1 EBADF (Bad file descriptor)
[pid 5259] close(20) = -1 EBADF (Bad file descriptor)
[pid 5259] close(21) = -1 EBADF (Bad file descriptor)
[pid 5259] close(22) = -1 EBADF (Bad file descriptor)
[pid 5259] close(23) = -1 EBADF (Bad file descriptor)
[pid 5259] close(24) = -1 EBADF (Bad file descriptor)
[pid 5259] close(25) = -1 EBADF (Bad file descriptor)
[pid 5259] close(26) = -1 EBADF (Bad file descriptor)
[pid 5259] close(27) = -1 EBADF (Bad file descriptor)
[pid 5259] close(28) = -1 EBADF (Bad file descriptor)
[pid 5259] close(29) = -1 EBADF (Bad file descriptor)
[pid 5259] exit_group(0) = ?
[pid 5259] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./257/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./257/cgroup.cpu") = 0
[pid 5000] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./257/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./257/binderfs") = 0
[pid 5000] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./257/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./257/cgroup") = 0
[pid 5000] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./257/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./257/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./257") = 0
[pid 5000] mkdir("./258", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 260
./strace-static-x86_64: Process 5260 attached
[pid 5260] chdir("./258") = 0
[pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5260] setpgid(0, 0) = 0
[pid 5260] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5260] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5260] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5260] write(3, "1000", 4) = 4
[pid 5260] close(3) = 0
[pid 5260] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5260] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5260] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5260] openat(3, "freezer.state", O_RDWR) = 4
[pid 5260] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5260] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5260] close(3) = 0
[pid 5260] close(4) = 0
[pid 5260] close(5) = -1 EBADF (Bad file descriptor)
[pid 5260] close(6) = -1 EBADF (Bad file descriptor)
[pid 5260] close(7) = -1 EBADF (Bad file descriptor)
[pid 5260] close(8) = -1 EBADF (Bad file descriptor)
[pid 5260] close(9) = -1 EBADF (Bad file descriptor)
[pid 5260] close(10) = -1 EBADF (Bad file descriptor)
[pid 5260] close(11) = -1 EBADF (Bad file descriptor)
[pid 5260] close(12) = -1 EBADF (Bad file descriptor)
[pid 5260] close(13) = -1 EBADF (Bad file descriptor)
[pid 5260] close(14) = -1 EBADF (Bad file descriptor)
[pid 5260] close(15) = -1 EBADF (Bad file descriptor)
[pid 5260] close(16) = -1 EBADF (Bad file descriptor)
[pid 5260] close(17) = -1 EBADF (Bad file descriptor)
[pid 5260] close(18) = -1 EBADF (Bad file descriptor)
[pid 5260] close(19) = -1 EBADF (Bad file descriptor)
[pid 5260] close(20) = -1 EBADF (Bad file descriptor)
[pid 5260] close(21) = -1 EBADF (Bad file descriptor)
[pid 5260] close(22) = -1 EBADF (Bad file descriptor)
[pid 5260] close(23) = -1 EBADF (Bad file descriptor)
[pid 5260] close(24) = -1 EBADF (Bad file descriptor)
[pid 5260] close(25) = -1 EBADF (Bad file descriptor)
[pid 5260] close(26) = -1 EBADF (Bad file descriptor)
[pid 5260] close(27) = -1 EBADF (Bad file descriptor)
[pid 5260] close(28) = -1 EBADF (Bad file descriptor)
[pid 5260] close(29) = -1 EBADF (Bad file descriptor)
[pid 5260] exit_group(0) = ?
[pid 5260] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./258/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./258/cgroup.cpu") = 0
[pid 5000] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./258/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./258/binderfs") = 0
[pid 5000] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./258/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./258/cgroup") = 0
[pid 5000] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./258/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./258/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./258") = 0
[pid 5000] mkdir("./259", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 261
./strace-static-x86_64: Process 5261 attached
[pid 5261] chdir("./259") = 0
[pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5261] setpgid(0, 0) = 0
[pid 5261] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5261] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5261] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5261] write(3, "1000", 4) = 4
[pid 5261] close(3) = 0
[pid 5261] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5261] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5261] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5261] openat(3, "freezer.state", O_RDWR) = 4
[pid 5261] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5261] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5261] close(3) = 0
[pid 5261] close(4) = 0
[pid 5261] close(5) = -1 EBADF (Bad file descriptor)
[pid 5261] close(6) = -1 EBADF (Bad file descriptor)
[pid 5261] close(7) = -1 EBADF (Bad file descriptor)
[pid 5261] close(8) = -1 EBADF (Bad file descriptor)
[pid 5261] close(9) = -1 EBADF (Bad file descriptor)
[pid 5261] close(10) = -1 EBADF (Bad file descriptor)
[pid 5261] close(11) = -1 EBADF (Bad file descriptor)
[pid 5261] close(12) = -1 EBADF (Bad file descriptor)
[pid 5261] close(13) = -1 EBADF (Bad file descriptor)
[pid 5261] close(14) = -1 EBADF (Bad file descriptor)
[pid 5261] close(15) = -1 EBADF (Bad file descriptor)
[pid 5261] close(16) = -1 EBADF (Bad file descriptor)
[pid 5261] close(17) = -1 EBADF (Bad file descriptor)
[pid 5261] close(18) = -1 EBADF (Bad file descriptor)
[pid 5261] close(19) = -1 EBADF (Bad file descriptor)
[pid 5261] close(20) = -1 EBADF (Bad file descriptor)
[pid 5261] close(21) = -1 EBADF (Bad file descriptor)
[pid 5261] close(22) = -1 EBADF (Bad file descriptor)
[pid 5261] close(23) = -1 EBADF (Bad file descriptor)
[pid 5261] close(24) = -1 EBADF (Bad file descriptor)
[pid 5261] close(25) = -1 EBADF (Bad file descriptor)
[pid 5261] close(26) = -1 EBADF (Bad file descriptor)
[pid 5261] close(27) = -1 EBADF (Bad file descriptor)
[pid 5261] close(28) = -1 EBADF (Bad file descriptor)
[pid 5261] close(29) = -1 EBADF (Bad file descriptor)
[pid 5261] exit_group(0) = ?
[pid 5261] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./259/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./259/cgroup.cpu") = 0
[pid 5000] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./259/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./259/binderfs") = 0
[pid 5000] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./259/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./259/cgroup") = 0
[pid 5000] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./259/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./259/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./259") = 0
[pid 5000] mkdir("./260", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5262 attached
, child_tidptr=0x55555723f5d0) = 262
[pid 5262] chdir("./260") = 0
[pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5262] setpgid(0, 0) = 0
[pid 5262] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5262] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5262] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5262] write(3, "1000", 4) = 4
[pid 5262] close(3) = 0
[pid 5262] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5262] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5262] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5262] openat(3, "freezer.state", O_RDWR) = 4
[pid 5262] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5262] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5262] close(3) = 0
[pid 5262] close(4) = 0
[pid 5262] close(5) = -1 EBADF (Bad file descriptor)
[pid 5262] close(6) = -1 EBADF (Bad file descriptor)
[pid 5262] close(7) = -1 EBADF (Bad file descriptor)
[pid 5262] close(8) = -1 EBADF (Bad file descriptor)
[pid 5262] close(9) = -1 EBADF (Bad file descriptor)
[pid 5262] close(10) = -1 EBADF (Bad file descriptor)
[pid 5262] close(11) = -1 EBADF (Bad file descriptor)
[pid 5262] close(12) = -1 EBADF (Bad file descriptor)
[pid 5262] close(13) = -1 EBADF (Bad file descriptor)
[pid 5262] close(14) = -1 EBADF (Bad file descriptor)
[pid 5262] close(15) = -1 EBADF (Bad file descriptor)
[pid 5262] close(16) = -1 EBADF (Bad file descriptor)
[pid 5262] close(17) = -1 EBADF (Bad file descriptor)
[pid 5262] close(18) = -1 EBADF (Bad file descriptor)
[pid 5262] close(19) = -1 EBADF (Bad file descriptor)
[pid 5262] close(20) = -1 EBADF (Bad file descriptor)
[pid 5262] close(21) = -1 EBADF (Bad file descriptor)
[pid 5262] close(22) = -1 EBADF (Bad file descriptor)
[pid 5262] close(23) = -1 EBADF (Bad file descriptor)
[pid 5262] close(24) = -1 EBADF (Bad file descriptor)
[pid 5262] close(25) = -1 EBADF (Bad file descriptor)
[pid 5262] close(26) = -1 EBADF (Bad file descriptor)
[pid 5262] close(27) = -1 EBADF (Bad file descriptor)
[pid 5262] close(28) = -1 EBADF (Bad file descriptor)
[pid 5262] close(29) = -1 EBADF (Bad file descriptor)
[pid 5262] exit_group(0) = ?
[pid 5262] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./260/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./260/cgroup.cpu") = 0
[pid 5000] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./260/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./260/binderfs") = 0
[pid 5000] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./260/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./260/cgroup") = 0
[pid 5000] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./260/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./260/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./260") = 0
[pid 5000] mkdir("./261", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 263
./strace-static-x86_64: Process 5263 attached
[pid 5263] chdir("./261") = 0
[pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5263] setpgid(0, 0) = 0
[pid 5263] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5263] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5263] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5263] write(3, "1000", 4) = 4
[pid 5263] close(3) = 0
[pid 5263] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5263] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5263] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5263] openat(3, "freezer.state", O_RDWR) = 4
[pid 5263] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5263] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5263] close(3) = 0
[pid 5263] close(4) = 0
[pid 5263] close(5) = -1 EBADF (Bad file descriptor)
[pid 5263] close(6) = -1 EBADF (Bad file descriptor)
[pid 5263] close(7) = -1 EBADF (Bad file descriptor)
[pid 5263] close(8) = -1 EBADF (Bad file descriptor)
[pid 5263] close(9) = -1 EBADF (Bad file descriptor)
[pid 5263] close(10) = -1 EBADF (Bad file descriptor)
[pid 5263] close(11) = -1 EBADF (Bad file descriptor)
[pid 5263] close(12) = -1 EBADF (Bad file descriptor)
[pid 5263] close(13) = -1 EBADF (Bad file descriptor)
[pid 5263] close(14) = -1 EBADF (Bad file descriptor)
[pid 5263] close(15) = -1 EBADF (Bad file descriptor)
[pid 5263] close(16) = -1 EBADF (Bad file descriptor)
[pid 5263] close(17) = -1 EBADF (Bad file descriptor)
[pid 5263] close(18) = -1 EBADF (Bad file descriptor)
[pid 5263] close(19) = -1 EBADF (Bad file descriptor)
[pid 5263] close(20) = -1 EBADF (Bad file descriptor)
[pid 5263] close(21) = -1 EBADF (Bad file descriptor)
[pid 5263] close(22) = -1 EBADF (Bad file descriptor)
[pid 5263] close(23) = -1 EBADF (Bad file descriptor)
[pid 5263] close(24) = -1 EBADF (Bad file descriptor)
[pid 5263] close(25) = -1 EBADF (Bad file descriptor)
[pid 5263] close(26) = -1 EBADF (Bad file descriptor)
[pid 5263] close(27) = -1 EBADF (Bad file descriptor)
[pid 5263] close(28) = -1 EBADF (Bad file descriptor)
[pid 5263] close(29) = -1 EBADF (Bad file descriptor)
[pid 5263] exit_group(0) = ?
[pid 5263] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./261/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./261/cgroup.cpu") = 0
[pid 5000] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./261/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./261/binderfs") = 0
[pid 5000] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./261/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./261/cgroup") = 0
[pid 5000] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./261/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./261/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./261") = 0
[pid 5000] mkdir("./262", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5264 attached
, child_tidptr=0x55555723f5d0) = 264
[pid 5264] chdir("./262") = 0
[pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5264] setpgid(0, 0) = 0
[pid 5264] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5264] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5264] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5264] write(3, "1000", 4) = 4
[pid 5264] close(3) = 0
[pid 5264] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5264] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5264] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5264] openat(3, "freezer.state", O_RDWR) = 4
[pid 5264] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5264] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5264] close(3) = 0
[pid 5264] close(4) = 0
[pid 5264] close(5) = -1 EBADF (Bad file descriptor)
[pid 5264] close(6) = -1 EBADF (Bad file descriptor)
[pid 5264] close(7) = -1 EBADF (Bad file descriptor)
[pid 5264] close(8) = -1 EBADF (Bad file descriptor)
[pid 5264] close(9) = -1 EBADF (Bad file descriptor)
[pid 5264] close(10) = -1 EBADF (Bad file descriptor)
[pid 5264] close(11) = -1 EBADF (Bad file descriptor)
[pid 5264] close(12) = -1 EBADF (Bad file descriptor)
[pid 5264] close(13) = -1 EBADF (Bad file descriptor)
[pid 5264] close(14) = -1 EBADF (Bad file descriptor)
[pid 5264] close(15) = -1 EBADF (Bad file descriptor)
[pid 5264] close(16) = -1 EBADF (Bad file descriptor)
[pid 5264] close(17) = -1 EBADF (Bad file descriptor)
[pid 5264] close(18) = -1 EBADF (Bad file descriptor)
[pid 5264] close(19) = -1 EBADF (Bad file descriptor)
[pid 5264] close(20) = -1 EBADF (Bad file descriptor)
[pid 5264] close(21) = -1 EBADF (Bad file descriptor)
[pid 5264] close(22) = -1 EBADF (Bad file descriptor)
[pid 5264] close(23) = -1 EBADF (Bad file descriptor)
[pid 5264] close(24) = -1 EBADF (Bad file descriptor)
[pid 5264] close(25) = -1 EBADF (Bad file descriptor)
[pid 5264] close(26) = -1 EBADF (Bad file descriptor)
[pid 5264] close(27) = -1 EBADF (Bad file descriptor)
[pid 5264] close(28) = -1 EBADF (Bad file descriptor)
[pid 5264] close(29) = -1 EBADF (Bad file descriptor)
[pid 5264] exit_group(0) = ?
[pid 5264] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./262/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./262/cgroup.cpu") = 0
[pid 5000] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./262/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./262/binderfs") = 0
[pid 5000] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./262/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./262/cgroup") = 0
[pid 5000] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./262/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./262/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./262") = 0
[pid 5000] mkdir("./263", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 265
./strace-static-x86_64: Process 5265 attached
[pid 5265] chdir("./263") = 0
[pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5265] setpgid(0, 0) = 0
[pid 5265] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5265] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5265] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5265] write(3, "1000", 4) = 4
[pid 5265] close(3) = 0
[pid 5265] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5265] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5265] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5265] openat(3, "freezer.state", O_RDWR) = 4
[pid 5265] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5265] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5265] close(3) = 0
[pid 5265] close(4) = 0
[pid 5265] close(5) = -1 EBADF (Bad file descriptor)
[pid 5265] close(6) = -1 EBADF (Bad file descriptor)
[pid 5265] close(7) = -1 EBADF (Bad file descriptor)
[pid 5265] close(8) = -1 EBADF (Bad file descriptor)
[pid 5265] close(9) = -1 EBADF (Bad file descriptor)
[pid 5265] close(10) = -1 EBADF (Bad file descriptor)
[pid 5265] close(11) = -1 EBADF (Bad file descriptor)
[pid 5265] close(12) = -1 EBADF (Bad file descriptor)
[pid 5265] close(13) = -1 EBADF (Bad file descriptor)
[pid 5265] close(14) = -1 EBADF (Bad file descriptor)
[pid 5265] close(15) = -1 EBADF (Bad file descriptor)
[pid 5265] close(16) = -1 EBADF (Bad file descriptor)
[pid 5265] close(17) = -1 EBADF (Bad file descriptor)
[pid 5265] close(18) = -1 EBADF (Bad file descriptor)
[pid 5265] close(19) = -1 EBADF (Bad file descriptor)
[pid 5265] close(20) = -1 EBADF (Bad file descriptor)
[pid 5265] close(21) = -1 EBADF (Bad file descriptor)
[pid 5265] close(22) = -1 EBADF (Bad file descriptor)
[pid 5265] close(23) = -1 EBADF (Bad file descriptor)
[pid 5265] close(24) = -1 EBADF (Bad file descriptor)
[pid 5265] close(25) = -1 EBADF (Bad file descriptor)
[pid 5265] close(26) = -1 EBADF (Bad file descriptor)
[pid 5265] close(27) = -1 EBADF (Bad file descriptor)
[pid 5265] close(28) = -1 EBADF (Bad file descriptor)
[pid 5265] close(29) = -1 EBADF (Bad file descriptor)
[pid 5265] exit_group(0) = ?
[pid 5265] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./263/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./263/cgroup.cpu") = 0
[pid 5000] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./263/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./263/binderfs") = 0
[pid 5000] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./263/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./263/cgroup") = 0
[pid 5000] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./263/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./263/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./263") = 0
[pid 5000] mkdir("./264", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 266
./strace-static-x86_64: Process 5266 attached
[pid 5266] chdir("./264") = 0
[pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5266] setpgid(0, 0) = 0
[pid 5266] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5266] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5266] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5266] write(3, "1000", 4) = 4
[pid 5266] close(3) = 0
[pid 5266] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5266] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5266] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5266] openat(3, "freezer.state", O_RDWR) = 4
[pid 5266] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5266] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5266] close(3) = 0
[pid 5266] close(4) = 0
[pid 5266] close(5) = -1 EBADF (Bad file descriptor)
[pid 5266] close(6) = -1 EBADF (Bad file descriptor)
[pid 5266] close(7) = -1 EBADF (Bad file descriptor)
[pid 5266] close(8) = -1 EBADF (Bad file descriptor)
[pid 5266] close(9) = -1 EBADF (Bad file descriptor)
[pid 5266] close(10) = -1 EBADF (Bad file descriptor)
[pid 5266] close(11) = -1 EBADF (Bad file descriptor)
[pid 5266] close(12) = -1 EBADF (Bad file descriptor)
[pid 5266] close(13) = -1 EBADF (Bad file descriptor)
[pid 5266] close(14) = -1 EBADF (Bad file descriptor)
[pid 5266] close(15) = -1 EBADF (Bad file descriptor)
[pid 5266] close(16) = -1 EBADF (Bad file descriptor)
[pid 5266] close(17) = -1 EBADF (Bad file descriptor)
[pid 5266] close(18) = -1 EBADF (Bad file descriptor)
[pid 5266] close(19) = -1 EBADF (Bad file descriptor)
[pid 5266] close(20) = -1 EBADF (Bad file descriptor)
[pid 5266] close(21) = -1 EBADF (Bad file descriptor)
[pid 5266] close(22) = -1 EBADF (Bad file descriptor)
[pid 5266] close(23) = -1 EBADF (Bad file descriptor)
[pid 5266] close(24) = -1 EBADF (Bad file descriptor)
[pid 5266] close(25) = -1 EBADF (Bad file descriptor)
[pid 5266] close(26) = -1 EBADF (Bad file descriptor)
[pid 5266] close(27) = -1 EBADF (Bad file descriptor)
[pid 5266] close(28) = -1 EBADF (Bad file descriptor)
[pid 5266] close(29) = -1 EBADF (Bad file descriptor)
[pid 5266] exit_group(0) = ?
[pid 5266] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./264/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./264/cgroup.cpu") = 0
[pid 5000] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./264/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./264/binderfs") = 0
[pid 5000] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./264/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./264/cgroup") = 0
[pid 5000] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./264/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./264/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./264") = 0
[pid 5000] mkdir("./265", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5267 attached
<unfinished ...>
[pid 5267] chdir("./265") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 267
[pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5267] setpgid(0, 0) = 0
[pid 5267] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5267] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5267] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5267] write(3, "1000", 4) = 4
[pid 5267] close(3) = 0
[pid 5267] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5267] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5267] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5267] openat(3, "freezer.state", O_RDWR) = 4
[pid 5267] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5267] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5267] close(3) = 0
[pid 5267] close(4) = 0
[pid 5267] close(5) = -1 EBADF (Bad file descriptor)
[pid 5267] close(6) = -1 EBADF (Bad file descriptor)
[pid 5267] close(7) = -1 EBADF (Bad file descriptor)
[pid 5267] close(8) = -1 EBADF (Bad file descriptor)
[pid 5267] close(9) = -1 EBADF (Bad file descriptor)
[pid 5267] close(10) = -1 EBADF (Bad file descriptor)
[pid 5267] close(11) = -1 EBADF (Bad file descriptor)
[pid 5267] close(12) = -1 EBADF (Bad file descriptor)
[pid 5267] close(13) = -1 EBADF (Bad file descriptor)
[pid 5267] close(14) = -1 EBADF (Bad file descriptor)
[pid 5267] close(15) = -1 EBADF (Bad file descriptor)
[pid 5267] close(16) = -1 EBADF (Bad file descriptor)
[pid 5267] close(17) = -1 EBADF (Bad file descriptor)
[pid 5267] close(18) = -1 EBADF (Bad file descriptor)
[pid 5267] close(19) = -1 EBADF (Bad file descriptor)
[pid 5267] close(20) = -1 EBADF (Bad file descriptor)
[pid 5267] close(21) = -1 EBADF (Bad file descriptor)
[pid 5267] close(22) = -1 EBADF (Bad file descriptor)
[pid 5267] close(23) = -1 EBADF (Bad file descriptor)
[pid 5267] close(24) = -1 EBADF (Bad file descriptor)
[pid 5267] close(25) = -1 EBADF (Bad file descriptor)
[pid 5267] close(26) = -1 EBADF (Bad file descriptor)
[pid 5267] close(27) = -1 EBADF (Bad file descriptor)
[pid 5267] close(28) = -1 EBADF (Bad file descriptor)
[pid 5267] close(29) = -1 EBADF (Bad file descriptor)
[pid 5267] exit_group(0) = ?
[pid 5267] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./265/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./265/cgroup.cpu") = 0
[pid 5000] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./265/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./265/binderfs") = 0
[pid 5000] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./265/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./265/cgroup") = 0
[pid 5000] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./265/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./265/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./265") = 0
[pid 5000] mkdir("./266", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 268
./strace-static-x86_64: Process 5268 attached
[pid 5268] chdir("./266") = 0
[pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5268] setpgid(0, 0) = 0
[pid 5268] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5268] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5268] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5268] write(3, "1000", 4) = 4
[pid 5268] close(3) = 0
[pid 5268] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5268] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5268] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5268] openat(3, "freezer.state", O_RDWR) = 4
[pid 5268] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5268] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5268] close(3) = 0
[pid 5268] close(4) = 0
[pid 5268] close(5) = -1 EBADF (Bad file descriptor)
[pid 5268] close(6) = -1 EBADF (Bad file descriptor)
[pid 5268] close(7) = -1 EBADF (Bad file descriptor)
[pid 5268] close(8) = -1 EBADF (Bad file descriptor)
[pid 5268] close(9) = -1 EBADF (Bad file descriptor)
[pid 5268] close(10) = -1 EBADF (Bad file descriptor)
[pid 5268] close(11) = -1 EBADF (Bad file descriptor)
[pid 5268] close(12) = -1 EBADF (Bad file descriptor)
[pid 5268] close(13) = -1 EBADF (Bad file descriptor)
[pid 5268] close(14) = -1 EBADF (Bad file descriptor)
[pid 5268] close(15) = -1 EBADF (Bad file descriptor)
[pid 5268] close(16) = -1 EBADF (Bad file descriptor)
[pid 5268] close(17) = -1 EBADF (Bad file descriptor)
[pid 5268] close(18) = -1 EBADF (Bad file descriptor)
[pid 5268] close(19) = -1 EBADF (Bad file descriptor)
[pid 5268] close(20) = -1 EBADF (Bad file descriptor)
[pid 5268] close(21) = -1 EBADF (Bad file descriptor)
[pid 5268] close(22) = -1 EBADF (Bad file descriptor)
[pid 5268] close(23) = -1 EBADF (Bad file descriptor)
[pid 5268] close(24) = -1 EBADF (Bad file descriptor)
[pid 5268] close(25) = -1 EBADF (Bad file descriptor)
[pid 5268] close(26) = -1 EBADF (Bad file descriptor)
[pid 5268] close(27) = -1 EBADF (Bad file descriptor)
[pid 5268] close(28) = -1 EBADF (Bad file descriptor)
[pid 5268] close(29) = -1 EBADF (Bad file descriptor)
[pid 5268] exit_group(0) = ?
[pid 5268] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 5000] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./266/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./266/cgroup.cpu") = 0
[pid 5000] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./266/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./266/binderfs") = 0
[pid 5000] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./266/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./266/cgroup") = 0
[pid 5000] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./266/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./266/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./266") = 0
[pid 5000] mkdir("./267", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 269
./strace-static-x86_64: Process 5269 attached
[pid 5269] chdir("./267") = 0
[pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5269] setpgid(0, 0) = 0
[pid 5269] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5269] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5269] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5269] write(3, "1000", 4) = 4
[pid 5269] close(3) = 0
[pid 5269] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5269] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5269] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5269] openat(3, "freezer.state", O_RDWR) = 4
[pid 5269] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5269] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5269] close(3) = 0
[pid 5269] close(4) = 0
[pid 5269] close(5) = -1 EBADF (Bad file descriptor)
[pid 5269] close(6) = -1 EBADF (Bad file descriptor)
[pid 5269] close(7) = -1 EBADF (Bad file descriptor)
[pid 5269] close(8) = -1 EBADF (Bad file descriptor)
[pid 5269] close(9) = -1 EBADF (Bad file descriptor)
[pid 5269] close(10) = -1 EBADF (Bad file descriptor)
[pid 5269] close(11) = -1 EBADF (Bad file descriptor)
[pid 5269] close(12) = -1 EBADF (Bad file descriptor)
[pid 5269] close(13) = -1 EBADF (Bad file descriptor)
[pid 5269] close(14) = -1 EBADF (Bad file descriptor)
[pid 5269] close(15) = -1 EBADF (Bad file descriptor)
[pid 5269] close(16) = -1 EBADF (Bad file descriptor)
[pid 5269] close(17) = -1 EBADF (Bad file descriptor)
[pid 5269] close(18) = -1 EBADF (Bad file descriptor)
[pid 5269] close(19) = -1 EBADF (Bad file descriptor)
[pid 5269] close(20) = -1 EBADF (Bad file descriptor)
[pid 5269] close(21) = -1 EBADF (Bad file descriptor)
[pid 5269] close(22) = -1 EBADF (Bad file descriptor)
[pid 5269] close(23) = -1 EBADF (Bad file descriptor)
[pid 5269] close(24) = -1 EBADF (Bad file descriptor)
[pid 5269] close(25) = -1 EBADF (Bad file descriptor)
[pid 5269] close(26) = -1 EBADF (Bad file descriptor)
[pid 5269] close(27) = -1 EBADF (Bad file descriptor)
[pid 5269] close(28) = -1 EBADF (Bad file descriptor)
[pid 5269] close(29) = -1 EBADF (Bad file descriptor)
[pid 5269] exit_group(0) = ?
[pid 5269] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./267/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./267/cgroup.cpu") = 0
[pid 5000] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./267/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./267/binderfs") = 0
[pid 5000] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./267/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./267/cgroup") = 0
[pid 5000] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./267/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./267/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./267") = 0
[pid 5000] mkdir("./268", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5270 attached
<unfinished ...>
[pid 5270] chdir("./268" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 270
[pid 5270] <... chdir resumed>) = 0
[pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5270] setpgid(0, 0) = 0
[pid 5270] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5270] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5270] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5270] write(3, "1000", 4) = 4
[pid 5270] close(3) = 0
[pid 5270] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5270] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5270] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5270] openat(3, "freezer.state", O_RDWR) = 4
[pid 5270] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5270] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5270] close(3) = 0
[pid 5270] close(4) = 0
[pid 5270] close(5) = -1 EBADF (Bad file descriptor)
[pid 5270] close(6) = -1 EBADF (Bad file descriptor)
[pid 5270] close(7) = -1 EBADF (Bad file descriptor)
[pid 5270] close(8) = -1 EBADF (Bad file descriptor)
[pid 5270] close(9) = -1 EBADF (Bad file descriptor)
[pid 5270] close(10) = -1 EBADF (Bad file descriptor)
[pid 5270] close(11) = -1 EBADF (Bad file descriptor)
[pid 5270] close(12) = -1 EBADF (Bad file descriptor)
[pid 5270] close(13) = -1 EBADF (Bad file descriptor)
[pid 5270] close(14) = -1 EBADF (Bad file descriptor)
[pid 5270] close(15) = -1 EBADF (Bad file descriptor)
[pid 5270] close(16) = -1 EBADF (Bad file descriptor)
[pid 5270] close(17) = -1 EBADF (Bad file descriptor)
[pid 5270] close(18) = -1 EBADF (Bad file descriptor)
[pid 5270] close(19) = -1 EBADF (Bad file descriptor)
[pid 5270] close(20) = -1 EBADF (Bad file descriptor)
[pid 5270] close(21) = -1 EBADF (Bad file descriptor)
[pid 5270] close(22) = -1 EBADF (Bad file descriptor)
[pid 5270] close(23) = -1 EBADF (Bad file descriptor)
[pid 5270] close(24) = -1 EBADF (Bad file descriptor)
[pid 5270] close(25) = -1 EBADF (Bad file descriptor)
[pid 5270] close(26) = -1 EBADF (Bad file descriptor)
[pid 5270] close(27) = -1 EBADF (Bad file descriptor)
[pid 5270] close(28) = -1 EBADF (Bad file descriptor)
[pid 5270] close(29) = -1 EBADF (Bad file descriptor)
[pid 5270] exit_group(0) = ?
[pid 5270] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./268/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./268/cgroup.cpu") = 0
[pid 5000] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./268/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./268/binderfs") = 0
[pid 5000] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./268/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./268/cgroup") = 0
[pid 5000] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./268/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./268/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./268") = 0
[pid 5000] mkdir("./269", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5271 attached
<unfinished ...>
[pid 5271] chdir("./269") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 271
[pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5271] setpgid(0, 0) = 0
[pid 5271] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5271] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5271] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5271] write(3, "1000", 4) = 4
[pid 5271] close(3) = 0
[pid 5271] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5271] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5271] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5271] openat(3, "freezer.state", O_RDWR) = 4
[pid 5271] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5271] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5271] close(3) = 0
[pid 5271] close(4) = 0
[pid 5271] close(5) = -1 EBADF (Bad file descriptor)
[pid 5271] close(6) = -1 EBADF (Bad file descriptor)
[pid 5271] close(7) = -1 EBADF (Bad file descriptor)
[pid 5271] close(8) = -1 EBADF (Bad file descriptor)
[pid 5271] close(9) = -1 EBADF (Bad file descriptor)
[pid 5271] close(10) = -1 EBADF (Bad file descriptor)
[pid 5271] close(11) = -1 EBADF (Bad file descriptor)
[pid 5271] close(12) = -1 EBADF (Bad file descriptor)
[pid 5271] close(13) = -1 EBADF (Bad file descriptor)
[pid 5271] close(14) = -1 EBADF (Bad file descriptor)
[pid 5271] close(15) = -1 EBADF (Bad file descriptor)
[pid 5271] close(16) = -1 EBADF (Bad file descriptor)
[pid 5271] close(17) = -1 EBADF (Bad file descriptor)
[pid 5271] close(18) = -1 EBADF (Bad file descriptor)
[pid 5271] close(19) = -1 EBADF (Bad file descriptor)
[pid 5271] close(20) = -1 EBADF (Bad file descriptor)
[pid 5271] close(21) = -1 EBADF (Bad file descriptor)
[pid 5271] close(22) = -1 EBADF (Bad file descriptor)
[pid 5271] close(23) = -1 EBADF (Bad file descriptor)
[pid 5271] close(24) = -1 EBADF (Bad file descriptor)
[pid 5271] close(25) = -1 EBADF (Bad file descriptor)
[pid 5271] close(26) = -1 EBADF (Bad file descriptor)
[pid 5271] close(27) = -1 EBADF (Bad file descriptor)
[pid 5271] close(28) = -1 EBADF (Bad file descriptor)
[pid 5271] close(29) = -1 EBADF (Bad file descriptor)
[pid 5271] exit_group(0) = ?
[pid 5271] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./269/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./269/cgroup.cpu") = 0
[pid 5000] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./269/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./269/binderfs") = 0
[pid 5000] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./269/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./269/cgroup") = 0
[pid 5000] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./269/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./269/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./269") = 0
[pid 5000] mkdir("./270", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5272 attached
<unfinished ...>
[pid 5272] chdir("./270") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 272
[pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5272] setpgid(0, 0) = 0
[pid 5272] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5272] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5272] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5272] write(3, "1000", 4) = 4
[pid 5272] close(3) = 0
[pid 5272] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5272] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5272] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5272] openat(3, "freezer.state", O_RDWR) = 4
[pid 5272] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5272] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5272] close(3) = 0
[pid 5272] close(4) = 0
[pid 5272] close(5) = -1 EBADF (Bad file descriptor)
[pid 5272] close(6) = -1 EBADF (Bad file descriptor)
[pid 5272] close(7) = -1 EBADF (Bad file descriptor)
[pid 5272] close(8) = -1 EBADF (Bad file descriptor)
[pid 5272] close(9) = -1 EBADF (Bad file descriptor)
[pid 5272] close(10) = -1 EBADF (Bad file descriptor)
[pid 5272] close(11) = -1 EBADF (Bad file descriptor)
[pid 5272] close(12) = -1 EBADF (Bad file descriptor)
[pid 5272] close(13) = -1 EBADF (Bad file descriptor)
[pid 5272] close(14) = -1 EBADF (Bad file descriptor)
[pid 5272] close(15) = -1 EBADF (Bad file descriptor)
[pid 5272] close(16) = -1 EBADF (Bad file descriptor)
[pid 5272] close(17) = -1 EBADF (Bad file descriptor)
[pid 5272] close(18) = -1 EBADF (Bad file descriptor)
[pid 5272] close(19) = -1 EBADF (Bad file descriptor)
[pid 5272] close(20) = -1 EBADF (Bad file descriptor)
[pid 5272] close(21) = -1 EBADF (Bad file descriptor)
[pid 5272] close(22) = -1 EBADF (Bad file descriptor)
[pid 5272] close(23) = -1 EBADF (Bad file descriptor)
[pid 5272] close(24) = -1 EBADF (Bad file descriptor)
[pid 5272] close(25) = -1 EBADF (Bad file descriptor)
[pid 5272] close(26) = -1 EBADF (Bad file descriptor)
[pid 5272] close(27) = -1 EBADF (Bad file descriptor)
[pid 5272] close(28) = -1 EBADF (Bad file descriptor)
[pid 5272] close(29) = -1 EBADF (Bad file descriptor)
[pid 5272] exit_group(0) = ?
[pid 5272] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./270/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./270/cgroup.cpu") = 0
[pid 5000] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./270/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./270/binderfs") = 0
[pid 5000] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./270/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./270/cgroup") = 0
[pid 5000] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./270/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./270/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./270") = 0
[pid 5000] mkdir("./271", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5273 attached
<unfinished ...>
[pid 5273] chdir("./271") = 0
[pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 273
[pid 5273] setpgid(0, 0) = 0
[pid 5273] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5273] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5273] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5273] write(3, "1000", 4) = 4
[pid 5273] close(3) = 0
[pid 5273] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5273] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5273] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5273] openat(3, "freezer.state", O_RDWR) = 4
[pid 5273] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5273] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5273] close(3) = 0
[pid 5273] close(4) = 0
[pid 5273] close(5) = -1 EBADF (Bad file descriptor)
[pid 5273] close(6) = -1 EBADF (Bad file descriptor)
[pid 5273] close(7) = -1 EBADF (Bad file descriptor)
[pid 5273] close(8) = -1 EBADF (Bad file descriptor)
[pid 5273] close(9) = -1 EBADF (Bad file descriptor)
[pid 5273] close(10) = -1 EBADF (Bad file descriptor)
[pid 5273] close(11) = -1 EBADF (Bad file descriptor)
[pid 5273] close(12) = -1 EBADF (Bad file descriptor)
[pid 5273] close(13) = -1 EBADF (Bad file descriptor)
[pid 5273] close(14) = -1 EBADF (Bad file descriptor)
[pid 5273] close(15) = -1 EBADF (Bad file descriptor)
[pid 5273] close(16) = -1 EBADF (Bad file descriptor)
[pid 5273] close(17) = -1 EBADF (Bad file descriptor)
[pid 5273] close(18) = -1 EBADF (Bad file descriptor)
[pid 5273] close(19) = -1 EBADF (Bad file descriptor)
[pid 5273] close(20) = -1 EBADF (Bad file descriptor)
[pid 5273] close(21) = -1 EBADF (Bad file descriptor)
[pid 5273] close(22) = -1 EBADF (Bad file descriptor)
[pid 5273] close(23) = -1 EBADF (Bad file descriptor)
[pid 5273] close(24) = -1 EBADF (Bad file descriptor)
[pid 5273] close(25) = -1 EBADF (Bad file descriptor)
[pid 5273] close(26) = -1 EBADF (Bad file descriptor)
[pid 5273] close(27) = -1 EBADF (Bad file descriptor)
[pid 5273] close(28) = -1 EBADF (Bad file descriptor)
[pid 5273] close(29) = -1 EBADF (Bad file descriptor)
[pid 5273] exit_group(0) = ?
[pid 5273] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./271/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./271/cgroup.cpu") = 0
[pid 5000] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./271/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./271/binderfs") = 0
[pid 5000] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./271/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./271/cgroup") = 0
[pid 5000] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./271/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./271/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./271") = 0
[pid 5000] mkdir("./272", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5274 attached
<unfinished ...>
[pid 5274] chdir("./272") = 0
[pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 274
[pid 5274] <... prctl resumed>) = 0
[pid 5274] setpgid(0, 0) = 0
[pid 5274] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5274] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5274] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5274] write(3, "1000", 4) = 4
[pid 5274] close(3) = 0
[pid 5274] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5274] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5274] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5274] openat(3, "freezer.state", O_RDWR) = 4
[pid 5274] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5274] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5274] close(3) = 0
[pid 5274] close(4) = 0
[pid 5274] close(5) = -1 EBADF (Bad file descriptor)
[pid 5274] close(6) = -1 EBADF (Bad file descriptor)
[pid 5274] close(7) = -1 EBADF (Bad file descriptor)
[pid 5274] close(8) = -1 EBADF (Bad file descriptor)
[pid 5274] close(9) = -1 EBADF (Bad file descriptor)
[pid 5274] close(10) = -1 EBADF (Bad file descriptor)
[pid 5274] close(11) = -1 EBADF (Bad file descriptor)
[pid 5274] close(12) = -1 EBADF (Bad file descriptor)
[pid 5274] close(13) = -1 EBADF (Bad file descriptor)
[pid 5274] close(14) = -1 EBADF (Bad file descriptor)
[pid 5274] close(15) = -1 EBADF (Bad file descriptor)
[pid 5274] close(16) = -1 EBADF (Bad file descriptor)
[pid 5274] close(17) = -1 EBADF (Bad file descriptor)
[pid 5274] close(18) = -1 EBADF (Bad file descriptor)
[pid 5274] close(19) = -1 EBADF (Bad file descriptor)
[pid 5274] close(20) = -1 EBADF (Bad file descriptor)
[pid 5274] close(21) = -1 EBADF (Bad file descriptor)
[pid 5274] close(22) = -1 EBADF (Bad file descriptor)
[pid 5274] close(23) = -1 EBADF (Bad file descriptor)
[pid 5274] close(24) = -1 EBADF (Bad file descriptor)
[pid 5274] close(25) = -1 EBADF (Bad file descriptor)
[pid 5274] close(26) = -1 EBADF (Bad file descriptor)
[pid 5274] close(27) = -1 EBADF (Bad file descriptor)
[pid 5274] close(28) = -1 EBADF (Bad file descriptor)
[pid 5274] close(29) = -1 EBADF (Bad file descriptor)
[pid 5274] exit_group(0) = ?
[pid 5274] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./272/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./272/cgroup.cpu") = 0
[pid 5000] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./272/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./272/binderfs") = 0
[pid 5000] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./272/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./272/cgroup") = 0
[pid 5000] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./272/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./272/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./272") = 0
[pid 5000] mkdir("./273", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5275 attached
<unfinished ...>
[pid 5275] chdir("./273") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 275
[pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5275] setpgid(0, 0) = 0
[pid 5275] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5275] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5275] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5275] write(3, "1000", 4) = 4
[pid 5275] close(3) = 0
[pid 5275] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5275] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5275] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5275] openat(3, "freezer.state", O_RDWR) = 4
[pid 5275] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5275] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5275] close(3) = 0
[pid 5275] close(4) = 0
[pid 5275] close(5) = -1 EBADF (Bad file descriptor)
[pid 5275] close(6) = -1 EBADF (Bad file descriptor)
[pid 5275] close(7) = -1 EBADF (Bad file descriptor)
[pid 5275] close(8) = -1 EBADF (Bad file descriptor)
[pid 5275] close(9) = -1 EBADF (Bad file descriptor)
[pid 5275] close(10) = -1 EBADF (Bad file descriptor)
[pid 5275] close(11) = -1 EBADF (Bad file descriptor)
[pid 5275] close(12) = -1 EBADF (Bad file descriptor)
[pid 5275] close(13) = -1 EBADF (Bad file descriptor)
[pid 5275] close(14) = -1 EBADF (Bad file descriptor)
[pid 5275] close(15) = -1 EBADF (Bad file descriptor)
[pid 5275] close(16) = -1 EBADF (Bad file descriptor)
[pid 5275] close(17) = -1 EBADF (Bad file descriptor)
[pid 5275] close(18) = -1 EBADF (Bad file descriptor)
[pid 5275] close(19) = -1 EBADF (Bad file descriptor)
[pid 5275] close(20) = -1 EBADF (Bad file descriptor)
[pid 5275] close(21) = -1 EBADF (Bad file descriptor)
[pid 5275] close(22) = -1 EBADF (Bad file descriptor)
[pid 5275] close(23) = -1 EBADF (Bad file descriptor)
[pid 5275] close(24) = -1 EBADF (Bad file descriptor)
[pid 5275] close(25) = -1 EBADF (Bad file descriptor)
[pid 5275] close(26) = -1 EBADF (Bad file descriptor)
[pid 5275] close(27) = -1 EBADF (Bad file descriptor)
[pid 5275] close(28) = -1 EBADF (Bad file descriptor)
[pid 5275] close(29) = -1 EBADF (Bad file descriptor)
[pid 5275] exit_group(0) = ?
[pid 5275] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./273/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./273/cgroup.cpu") = 0
[pid 5000] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./273/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./273/binderfs") = 0
[pid 5000] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./273/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./273/cgroup") = 0
[pid 5000] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./273/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./273/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./273") = 0
[pid 5000] mkdir("./274", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5276 attached
<unfinished ...>
[pid 5276] chdir("./274") = 0
[pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5276] setpgid(0, 0) = 0
[pid 5276] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 276
[pid 5276] <... symlink resumed>) = 0
[pid 5276] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5276] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5276] write(3, "1000", 4) = 4
[pid 5276] close(3) = 0
[pid 5276] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5276] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5276] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5276] openat(3, "freezer.state", O_RDWR) = 4
[pid 5276] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5276] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5276] close(3) = 0
[pid 5276] close(4) = 0
[pid 5276] close(5) = -1 EBADF (Bad file descriptor)
[pid 5276] close(6) = -1 EBADF (Bad file descriptor)
[pid 5276] close(7) = -1 EBADF (Bad file descriptor)
[pid 5276] close(8) = -1 EBADF (Bad file descriptor)
[pid 5276] close(9) = -1 EBADF (Bad file descriptor)
[pid 5276] close(10) = -1 EBADF (Bad file descriptor)
[pid 5276] close(11) = -1 EBADF (Bad file descriptor)
[pid 5276] close(12) = -1 EBADF (Bad file descriptor)
[pid 5276] close(13) = -1 EBADF (Bad file descriptor)
[pid 5276] close(14) = -1 EBADF (Bad file descriptor)
[pid 5276] close(15) = -1 EBADF (Bad file descriptor)
[pid 5276] close(16) = -1 EBADF (Bad file descriptor)
[pid 5276] close(17) = -1 EBADF (Bad file descriptor)
[pid 5276] close(18) = -1 EBADF (Bad file descriptor)
[pid 5276] close(19) = -1 EBADF (Bad file descriptor)
[pid 5276] close(20) = -1 EBADF (Bad file descriptor)
[pid 5276] close(21) = -1 EBADF (Bad file descriptor)
[pid 5276] close(22) = -1 EBADF (Bad file descriptor)
[pid 5276] close(23) = -1 EBADF (Bad file descriptor)
[pid 5276] close(24) = -1 EBADF (Bad file descriptor)
[pid 5276] close(25) = -1 EBADF (Bad file descriptor)
[pid 5276] close(26) = -1 EBADF (Bad file descriptor)
[pid 5276] close(27) = -1 EBADF (Bad file descriptor)
[pid 5276] close(28) = -1 EBADF (Bad file descriptor)
[pid 5276] close(29) = -1 EBADF (Bad file descriptor)
[pid 5276] exit_group(0) = ?
[pid 5276] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./274/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./274/cgroup.cpu") = 0
[pid 5000] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./274/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./274/binderfs") = 0
[pid 5000] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./274/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./274/cgroup") = 0
[pid 5000] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./274/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./274/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./274") = 0
[pid 5000] mkdir("./275", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 277
./strace-static-x86_64: Process 5277 attached
[pid 5277] chdir("./275") = 0
[pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5277] setpgid(0, 0) = 0
[pid 5277] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5277] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5277] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5277] write(3, "1000", 4) = 4
[pid 5277] close(3) = 0
[pid 5277] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5277] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5277] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5277] openat(3, "freezer.state", O_RDWR) = 4
[pid 5277] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5277] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5277] close(3) = 0
[pid 5277] close(4) = 0
[pid 5277] close(5) = -1 EBADF (Bad file descriptor)
[pid 5277] close(6) = -1 EBADF (Bad file descriptor)
[pid 5277] close(7) = -1 EBADF (Bad file descriptor)
[pid 5277] close(8) = -1 EBADF (Bad file descriptor)
[pid 5277] close(9) = -1 EBADF (Bad file descriptor)
[pid 5277] close(10) = -1 EBADF (Bad file descriptor)
[pid 5277] close(11) = -1 EBADF (Bad file descriptor)
[pid 5277] close(12) = -1 EBADF (Bad file descriptor)
[pid 5277] close(13) = -1 EBADF (Bad file descriptor)
[pid 5277] close(14) = -1 EBADF (Bad file descriptor)
[pid 5277] close(15) = -1 EBADF (Bad file descriptor)
[pid 5277] close(16) = -1 EBADF (Bad file descriptor)
[pid 5277] close(17) = -1 EBADF (Bad file descriptor)
[pid 5277] close(18) = -1 EBADF (Bad file descriptor)
[pid 5277] close(19) = -1 EBADF (Bad file descriptor)
[pid 5277] close(20) = -1 EBADF (Bad file descriptor)
[pid 5277] close(21) = -1 EBADF (Bad file descriptor)
[pid 5277] close(22) = -1 EBADF (Bad file descriptor)
[pid 5277] close(23) = -1 EBADF (Bad file descriptor)
[pid 5277] close(24) = -1 EBADF (Bad file descriptor)
[pid 5277] close(25) = -1 EBADF (Bad file descriptor)
[pid 5277] close(26) = -1 EBADF (Bad file descriptor)
[pid 5277] close(27) = -1 EBADF (Bad file descriptor)
[pid 5277] close(28) = -1 EBADF (Bad file descriptor)
[pid 5277] close(29) = -1 EBADF (Bad file descriptor)
[pid 5277] exit_group(0) = ?
[pid 5277] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./275/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./275/cgroup.cpu") = 0
[pid 5000] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./275/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./275/binderfs") = 0
[pid 5000] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./275/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./275/cgroup") = 0
[pid 5000] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./275/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./275/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./275") = 0
[pid 5000] mkdir("./276", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached
<unfinished ...>
[pid 5278] chdir("./276") = 0
[pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5278] setpgid(0, 0) = 0
[pid 5278] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5278] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 278
[pid 5278] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5278] write(3, "1000", 4) = 4
[pid 5278] close(3) = 0
[pid 5278] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5278] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5278] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5278] openat(3, "freezer.state", O_RDWR) = 4
[pid 5278] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5278] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5278] close(3) = 0
[pid 5278] close(4) = 0
[pid 5278] close(5) = -1 EBADF (Bad file descriptor)
[pid 5278] close(6) = -1 EBADF (Bad file descriptor)
[pid 5278] close(7) = -1 EBADF (Bad file descriptor)
[pid 5278] close(8) = -1 EBADF (Bad file descriptor)
[pid 5278] close(9) = -1 EBADF (Bad file descriptor)
[pid 5278] close(10) = -1 EBADF (Bad file descriptor)
[pid 5278] close(11) = -1 EBADF (Bad file descriptor)
[pid 5278] close(12) = -1 EBADF (Bad file descriptor)
[pid 5278] close(13) = -1 EBADF (Bad file descriptor)
[pid 5278] close(14) = -1 EBADF (Bad file descriptor)
[pid 5278] close(15) = -1 EBADF (Bad file descriptor)
[pid 5278] close(16) = -1 EBADF (Bad file descriptor)
[pid 5278] close(17) = -1 EBADF (Bad file descriptor)
[pid 5278] close(18) = -1 EBADF (Bad file descriptor)
[pid 5278] close(19) = -1 EBADF (Bad file descriptor)
[pid 5278] close(20) = -1 EBADF (Bad file descriptor)
[pid 5278] close(21) = -1 EBADF (Bad file descriptor)
[pid 5278] close(22) = -1 EBADF (Bad file descriptor)
[pid 5278] close(23) = -1 EBADF (Bad file descriptor)
[pid 5278] close(24) = -1 EBADF (Bad file descriptor)
[pid 5278] close(25) = -1 EBADF (Bad file descriptor)
[pid 5278] close(26) = -1 EBADF (Bad file descriptor)
[pid 5278] close(27) = -1 EBADF (Bad file descriptor)
[pid 5278] close(28) = -1 EBADF (Bad file descriptor)
[pid 5278] close(29) = -1 EBADF (Bad file descriptor)
[pid 5278] exit_group(0) = ?
[pid 5278] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./276/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./276/cgroup.cpu") = 0
[pid 5000] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./276/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./276/binderfs") = 0
[pid 5000] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./276/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./276/cgroup") = 0
[pid 5000] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./276/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./276/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./276") = 0
[pid 5000] mkdir("./277", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 279
./strace-static-x86_64: Process 5279 attached
[pid 5279] chdir("./277") = 0
[pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5279] setpgid(0, 0) = 0
[pid 5279] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5279] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5279] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5279] write(3, "1000", 4) = 4
[pid 5279] close(3) = 0
[pid 5279] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5279] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5279] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5279] openat(3, "freezer.state", O_RDWR) = 4
[pid 5279] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5279] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5279] close(3) = 0
[pid 5279] close(4) = 0
[pid 5279] close(5) = -1 EBADF (Bad file descriptor)
[pid 5279] close(6) = -1 EBADF (Bad file descriptor)
[pid 5279] close(7) = -1 EBADF (Bad file descriptor)
[pid 5279] close(8) = -1 EBADF (Bad file descriptor)
[pid 5279] close(9) = -1 EBADF (Bad file descriptor)
[pid 5279] close(10) = -1 EBADF (Bad file descriptor)
[pid 5279] close(11) = -1 EBADF (Bad file descriptor)
[pid 5279] close(12) = -1 EBADF (Bad file descriptor)
[pid 5279] close(13) = -1 EBADF (Bad file descriptor)
[pid 5279] close(14) = -1 EBADF (Bad file descriptor)
[pid 5279] close(15) = -1 EBADF (Bad file descriptor)
[pid 5279] close(16) = -1 EBADF (Bad file descriptor)
[pid 5279] close(17) = -1 EBADF (Bad file descriptor)
[pid 5279] close(18) = -1 EBADF (Bad file descriptor)
[pid 5279] close(19) = -1 EBADF (Bad file descriptor)
[pid 5279] close(20) = -1 EBADF (Bad file descriptor)
[pid 5279] close(21) = -1 EBADF (Bad file descriptor)
[pid 5279] close(22) = -1 EBADF (Bad file descriptor)
[pid 5279] close(23) = -1 EBADF (Bad file descriptor)
[pid 5279] close(24) = -1 EBADF (Bad file descriptor)
[pid 5279] close(25) = -1 EBADF (Bad file descriptor)
[pid 5279] close(26) = -1 EBADF (Bad file descriptor)
[pid 5279] close(27) = -1 EBADF (Bad file descriptor)
[pid 5279] close(28) = -1 EBADF (Bad file descriptor)
[pid 5279] close(29) = -1 EBADF (Bad file descriptor)
[pid 5279] exit_group(0) = ?
[pid 5279] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./277/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./277/cgroup.cpu") = 0
[pid 5000] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./277/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./277/binderfs") = 0
[pid 5000] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./277/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./277/cgroup") = 0
[pid 5000] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./277/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./277/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./277") = 0
[pid 5000] mkdir("./278", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5280 attached
<unfinished ...>
[pid 5280] chdir("./278" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 280
[pid 5280] <... chdir resumed>) = 0
[pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5280] setpgid(0, 0) = 0
[pid 5280] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5280] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5280] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5280] write(3, "1000", 4) = 4
[pid 5280] close(3) = 0
[pid 5280] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5280] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5280] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5280] openat(3, "freezer.state", O_RDWR) = 4
[pid 5280] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5280] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5280] close(3) = 0
[pid 5280] close(4) = 0
[pid 5280] close(5) = -1 EBADF (Bad file descriptor)
[pid 5280] close(6) = -1 EBADF (Bad file descriptor)
[pid 5280] close(7) = -1 EBADF (Bad file descriptor)
[pid 5280] close(8) = -1 EBADF (Bad file descriptor)
[pid 5280] close(9) = -1 EBADF (Bad file descriptor)
[pid 5280] close(10) = -1 EBADF (Bad file descriptor)
[pid 5280] close(11) = -1 EBADF (Bad file descriptor)
[pid 5280] close(12) = -1 EBADF (Bad file descriptor)
[pid 5280] close(13) = -1 EBADF (Bad file descriptor)
[pid 5280] close(14) = -1 EBADF (Bad file descriptor)
[pid 5280] close(15) = -1 EBADF (Bad file descriptor)
[pid 5280] close(16) = -1 EBADF (Bad file descriptor)
[pid 5280] close(17) = -1 EBADF (Bad file descriptor)
[pid 5280] close(18) = -1 EBADF (Bad file descriptor)
[pid 5280] close(19) = -1 EBADF (Bad file descriptor)
[pid 5280] close(20) = -1 EBADF (Bad file descriptor)
[pid 5280] close(21) = -1 EBADF (Bad file descriptor)
[pid 5280] close(22) = -1 EBADF (Bad file descriptor)
[pid 5280] close(23) = -1 EBADF (Bad file descriptor)
[pid 5280] close(24) = -1 EBADF (Bad file descriptor)
[pid 5280] close(25) = -1 EBADF (Bad file descriptor)
[pid 5280] close(26) = -1 EBADF (Bad file descriptor)
[pid 5280] close(27) = -1 EBADF (Bad file descriptor)
[pid 5280] close(28) = -1 EBADF (Bad file descriptor)
[pid 5280] close(29) = -1 EBADF (Bad file descriptor)
[pid 5280] exit_group(0) = ?
[pid 5280] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./278/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./278/cgroup.cpu") = 0
[pid 5000] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./278/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./278/binderfs") = 0
[pid 5000] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./278/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./278/cgroup") = 0
[pid 5000] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./278/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./278/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./278") = 0
[pid 5000] mkdir("./279", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5281 attached
<unfinished ...>
[pid 5281] chdir("./279") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 281
[pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5281] setpgid(0, 0) = 0
[pid 5281] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5281] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5281] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5281] write(3, "1000", 4) = 4
[pid 5281] close(3) = 0
[pid 5281] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5281] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5281] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5281] openat(3, "freezer.state", O_RDWR) = 4
[pid 5281] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5281] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5281] close(3) = 0
[pid 5281] close(4) = 0
[pid 5281] close(5) = -1 EBADF (Bad file descriptor)
[pid 5281] close(6) = -1 EBADF (Bad file descriptor)
[pid 5281] close(7) = -1 EBADF (Bad file descriptor)
[pid 5281] close(8) = -1 EBADF (Bad file descriptor)
[pid 5281] close(9) = -1 EBADF (Bad file descriptor)
[pid 5281] close(10) = -1 EBADF (Bad file descriptor)
[pid 5281] close(11) = -1 EBADF (Bad file descriptor)
[pid 5281] close(12) = -1 EBADF (Bad file descriptor)
[pid 5281] close(13) = -1 EBADF (Bad file descriptor)
[pid 5281] close(14) = -1 EBADF (Bad file descriptor)
[pid 5281] close(15) = -1 EBADF (Bad file descriptor)
[pid 5281] close(16) = -1 EBADF (Bad file descriptor)
[pid 5281] close(17) = -1 EBADF (Bad file descriptor)
[pid 5281] close(18) = -1 EBADF (Bad file descriptor)
[pid 5281] close(19) = -1 EBADF (Bad file descriptor)
[pid 5281] close(20) = -1 EBADF (Bad file descriptor)
[pid 5281] close(21) = -1 EBADF (Bad file descriptor)
[pid 5281] close(22) = -1 EBADF (Bad file descriptor)
[pid 5281] close(23) = -1 EBADF (Bad file descriptor)
[pid 5281] close(24) = -1 EBADF (Bad file descriptor)
[pid 5281] close(25) = -1 EBADF (Bad file descriptor)
[pid 5281] close(26) = -1 EBADF (Bad file descriptor)
[pid 5281] close(27) = -1 EBADF (Bad file descriptor)
[pid 5281] close(28) = -1 EBADF (Bad file descriptor)
[pid 5281] close(29) = -1 EBADF (Bad file descriptor)
[pid 5281] exit_group(0) = ?
[pid 5281] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./279/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./279/cgroup.cpu") = 0
[pid 5000] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./279/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./279/binderfs") = 0
[pid 5000] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./279/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./279/cgroup") = 0
[pid 5000] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./279/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./279/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./279") = 0
[pid 5000] mkdir("./280", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5282 attached
<unfinished ...>
[pid 5282] chdir("./280") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 282
[pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5282] setpgid(0, 0) = 0
[pid 5282] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5282] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5282] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5282] write(3, "1000", 4) = 4
[pid 5282] close(3) = 0
[pid 5282] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5282] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5282] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5282] openat(3, "freezer.state", O_RDWR) = 4
[pid 5282] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5282] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5282] close(3) = 0
[pid 5282] close(4) = 0
[pid 5282] close(5) = -1 EBADF (Bad file descriptor)
[pid 5282] close(6) = -1 EBADF (Bad file descriptor)
[pid 5282] close(7) = -1 EBADF (Bad file descriptor)
[pid 5282] close(8) = -1 EBADF (Bad file descriptor)
[pid 5282] close(9) = -1 EBADF (Bad file descriptor)
[pid 5282] close(10) = -1 EBADF (Bad file descriptor)
[pid 5282] close(11) = -1 EBADF (Bad file descriptor)
[pid 5282] close(12) = -1 EBADF (Bad file descriptor)
[pid 5282] close(13) = -1 EBADF (Bad file descriptor)
[pid 5282] close(14) = -1 EBADF (Bad file descriptor)
[pid 5282] close(15) = -1 EBADF (Bad file descriptor)
[pid 5282] close(16) = -1 EBADF (Bad file descriptor)
[pid 5282] close(17) = -1 EBADF (Bad file descriptor)
[pid 5282] close(18) = -1 EBADF (Bad file descriptor)
[pid 5282] close(19) = -1 EBADF (Bad file descriptor)
[pid 5282] close(20) = -1 EBADF (Bad file descriptor)
[pid 5282] close(21) = -1 EBADF (Bad file descriptor)
[pid 5282] close(22) = -1 EBADF (Bad file descriptor)
[pid 5282] close(23) = -1 EBADF (Bad file descriptor)
[pid 5282] close(24) = -1 EBADF (Bad file descriptor)
[pid 5282] close(25) = -1 EBADF (Bad file descriptor)
[pid 5282] close(26) = -1 EBADF (Bad file descriptor)
[pid 5282] close(27) = -1 EBADF (Bad file descriptor)
[pid 5282] close(28) = -1 EBADF (Bad file descriptor)
[pid 5282] close(29) = -1 EBADF (Bad file descriptor)
[pid 5282] exit_group(0) = ?
[pid 5282] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./280/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./280/cgroup.cpu") = 0
[pid 5000] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./280/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./280/binderfs") = 0
[pid 5000] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./280/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./280/cgroup") = 0
[pid 5000] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./280/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./280/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./280") = 0
[pid 5000] mkdir("./281", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5283 attached
<unfinished ...>
[pid 5283] chdir("./281" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 283
[pid 5283] <... chdir resumed>) = 0
[pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5283] setpgid(0, 0) = 0
[pid 5283] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5283] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5283] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5283] write(3, "1000", 4) = 4
[pid 5283] close(3) = 0
[pid 5283] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5283] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5283] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5283] openat(3, "freezer.state", O_RDWR) = 4
[pid 5283] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5283] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5283] close(3) = 0
[pid 5283] close(4) = 0
[pid 5283] close(5) = -1 EBADF (Bad file descriptor)
[pid 5283] close(6) = -1 EBADF (Bad file descriptor)
[pid 5283] close(7) = -1 EBADF (Bad file descriptor)
[pid 5283] close(8) = -1 EBADF (Bad file descriptor)
[pid 5283] close(9) = -1 EBADF (Bad file descriptor)
[pid 5283] close(10) = -1 EBADF (Bad file descriptor)
[pid 5283] close(11) = -1 EBADF (Bad file descriptor)
[pid 5283] close(12) = -1 EBADF (Bad file descriptor)
[pid 5283] close(13) = -1 EBADF (Bad file descriptor)
[pid 5283] close(14) = -1 EBADF (Bad file descriptor)
[pid 5283] close(15) = -1 EBADF (Bad file descriptor)
[pid 5283] close(16) = -1 EBADF (Bad file descriptor)
[pid 5283] close(17) = -1 EBADF (Bad file descriptor)
[pid 5283] close(18) = -1 EBADF (Bad file descriptor)
[pid 5283] close(19) = -1 EBADF (Bad file descriptor)
[pid 5283] close(20) = -1 EBADF (Bad file descriptor)
[pid 5283] close(21) = -1 EBADF (Bad file descriptor)
[pid 5283] close(22) = -1 EBADF (Bad file descriptor)
[pid 5283] close(23) = -1 EBADF (Bad file descriptor)
[pid 5283] close(24) = -1 EBADF (Bad file descriptor)
[pid 5283] close(25) = -1 EBADF (Bad file descriptor)
[pid 5283] close(26) = -1 EBADF (Bad file descriptor)
[pid 5283] close(27) = -1 EBADF (Bad file descriptor)
[pid 5283] close(28) = -1 EBADF (Bad file descriptor)
[pid 5283] close(29) = -1 EBADF (Bad file descriptor)
[pid 5283] exit_group(0) = ?
[pid 5283] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./281/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./281/cgroup.cpu") = 0
[pid 5000] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./281/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./281/binderfs") = 0
[pid 5000] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./281/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./281/cgroup") = 0
[pid 5000] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./281/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./281/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./281") = 0
[pid 5000] mkdir("./282", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5284 attached
<unfinished ...>
[pid 5284] chdir("./282") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 284
[pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5284] setpgid(0, 0) = 0
[pid 5284] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5284] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5284] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5284] write(3, "1000", 4) = 4
[pid 5284] close(3) = 0
[pid 5284] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5284] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5284] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5284] openat(3, "freezer.state", O_RDWR) = 4
[pid 5284] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5284] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5284] close(3) = 0
[pid 5284] close(4) = 0
[pid 5284] close(5) = -1 EBADF (Bad file descriptor)
[pid 5284] close(6) = -1 EBADF (Bad file descriptor)
[pid 5284] close(7) = -1 EBADF (Bad file descriptor)
[pid 5284] close(8) = -1 EBADF (Bad file descriptor)
[pid 5284] close(9) = -1 EBADF (Bad file descriptor)
[pid 5284] close(10) = -1 EBADF (Bad file descriptor)
[pid 5284] close(11) = -1 EBADF (Bad file descriptor)
[pid 5284] close(12) = -1 EBADF (Bad file descriptor)
[pid 5284] close(13) = -1 EBADF (Bad file descriptor)
[pid 5284] close(14) = -1 EBADF (Bad file descriptor)
[pid 5284] close(15) = -1 EBADF (Bad file descriptor)
[pid 5284] close(16) = -1 EBADF (Bad file descriptor)
[pid 5284] close(17) = -1 EBADF (Bad file descriptor)
[pid 5284] close(18) = -1 EBADF (Bad file descriptor)
[pid 5284] close(19) = -1 EBADF (Bad file descriptor)
[pid 5284] close(20) = -1 EBADF (Bad file descriptor)
[pid 5284] close(21) = -1 EBADF (Bad file descriptor)
[pid 5284] close(22) = -1 EBADF (Bad file descriptor)
[pid 5284] close(23) = -1 EBADF (Bad file descriptor)
[pid 5284] close(24) = -1 EBADF (Bad file descriptor)
[pid 5284] close(25) = -1 EBADF (Bad file descriptor)
[pid 5284] close(26) = -1 EBADF (Bad file descriptor)
[pid 5284] close(27) = -1 EBADF (Bad file descriptor)
[pid 5284] close(28) = -1 EBADF (Bad file descriptor)
[pid 5284] close(29) = -1 EBADF (Bad file descriptor)
[pid 5284] exit_group(0) = ?
[pid 5284] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./282/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./282/cgroup.cpu") = 0
[pid 5000] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./282/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./282/binderfs") = 0
[pid 5000] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./282/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./282/cgroup") = 0
[pid 5000] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./282/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./282/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./282") = 0
[pid 5000] mkdir("./283", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5285 attached
<unfinished ...>
[pid 5285] chdir("./283") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 285
[pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5285] setpgid(0, 0) = 0
[pid 5285] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5285] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5285] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5285] write(3, "1000", 4) = 4
[pid 5285] close(3) = 0
[pid 5285] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5285] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5285] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5285] openat(3, "freezer.state", O_RDWR) = 4
[pid 5285] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5285] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5285] close(3) = 0
[pid 5285] close(4) = 0
[pid 5285] close(5) = -1 EBADF (Bad file descriptor)
[pid 5285] close(6) = -1 EBADF (Bad file descriptor)
[pid 5285] close(7) = -1 EBADF (Bad file descriptor)
[pid 5285] close(8) = -1 EBADF (Bad file descriptor)
[pid 5285] close(9) = -1 EBADF (Bad file descriptor)
[pid 5285] close(10) = -1 EBADF (Bad file descriptor)
[pid 5285] close(11) = -1 EBADF (Bad file descriptor)
[pid 5285] close(12) = -1 EBADF (Bad file descriptor)
[pid 5285] close(13) = -1 EBADF (Bad file descriptor)
[pid 5285] close(14) = -1 EBADF (Bad file descriptor)
[pid 5285] close(15) = -1 EBADF (Bad file descriptor)
[pid 5285] close(16) = -1 EBADF (Bad file descriptor)
[pid 5285] close(17) = -1 EBADF (Bad file descriptor)
[pid 5285] close(18) = -1 EBADF (Bad file descriptor)
[pid 5285] close(19) = -1 EBADF (Bad file descriptor)
[pid 5285] close(20) = -1 EBADF (Bad file descriptor)
[pid 5285] close(21) = -1 EBADF (Bad file descriptor)
[pid 5285] close(22) = -1 EBADF (Bad file descriptor)
[pid 5285] close(23) = -1 EBADF (Bad file descriptor)
[pid 5285] close(24) = -1 EBADF (Bad file descriptor)
[pid 5285] close(25) = -1 EBADF (Bad file descriptor)
[pid 5285] close(26) = -1 EBADF (Bad file descriptor)
[pid 5285] close(27) = -1 EBADF (Bad file descriptor)
[pid 5285] close(28) = -1 EBADF (Bad file descriptor)
[pid 5285] close(29) = -1 EBADF (Bad file descriptor)
[pid 5285] exit_group(0) = ?
[pid 5285] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./283/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./283/cgroup.cpu") = 0
[pid 5000] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./283/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./283/binderfs") = 0
[pid 5000] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./283/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./283/cgroup") = 0
[pid 5000] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./283/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./283/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./283") = 0
[pid 5000] mkdir("./284", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 286
./strace-static-x86_64: Process 5286 attached
[pid 5286] chdir("./284") = 0
[pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5286] setpgid(0, 0) = 0
[pid 5286] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5286] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5286] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5286] write(3, "1000", 4) = 4
[pid 5286] close(3) = 0
[pid 5286] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5286] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5286] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5286] openat(3, "freezer.state", O_RDWR) = 4
[pid 5286] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5286] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5286] close(3) = 0
[pid 5286] close(4) = 0
[pid 5286] close(5) = -1 EBADF (Bad file descriptor)
[pid 5286] close(6) = -1 EBADF (Bad file descriptor)
[pid 5286] close(7) = -1 EBADF (Bad file descriptor)
[pid 5286] close(8) = -1 EBADF (Bad file descriptor)
[pid 5286] close(9) = -1 EBADF (Bad file descriptor)
[pid 5286] close(10) = -1 EBADF (Bad file descriptor)
[pid 5286] close(11) = -1 EBADF (Bad file descriptor)
[pid 5286] close(12) = -1 EBADF (Bad file descriptor)
[pid 5286] close(13) = -1 EBADF (Bad file descriptor)
[pid 5286] close(14) = -1 EBADF (Bad file descriptor)
[pid 5286] close(15) = -1 EBADF (Bad file descriptor)
[pid 5286] close(16) = -1 EBADF (Bad file descriptor)
[pid 5286] close(17) = -1 EBADF (Bad file descriptor)
[pid 5286] close(18) = -1 EBADF (Bad file descriptor)
[pid 5286] close(19) = -1 EBADF (Bad file descriptor)
[pid 5286] close(20) = -1 EBADF (Bad file descriptor)
[pid 5286] close(21) = -1 EBADF (Bad file descriptor)
[pid 5286] close(22) = -1 EBADF (Bad file descriptor)
[pid 5286] close(23) = -1 EBADF (Bad file descriptor)
[pid 5286] close(24) = -1 EBADF (Bad file descriptor)
[pid 5286] close(25) = -1 EBADF (Bad file descriptor)
[pid 5286] close(26) = -1 EBADF (Bad file descriptor)
[pid 5286] close(27) = -1 EBADF (Bad file descriptor)
[pid 5286] close(28) = -1 EBADF (Bad file descriptor)
[pid 5286] close(29) = -1 EBADF (Bad file descriptor)
[pid 5286] exit_group(0) = ?
[pid 5286] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./284/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./284/cgroup.cpu") = 0
[pid 5000] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./284/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./284/binderfs") = 0
[pid 5000] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./284/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./284/cgroup") = 0
[pid 5000] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./284/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./284/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./284") = 0
[pid 5000] mkdir("./285", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5287 attached
<unfinished ...>
[pid 5287] chdir("./285") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 287
[pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5287] setpgid(0, 0) = 0
[pid 5287] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5287] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5287] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5287] write(3, "1000", 4) = 4
[pid 5287] close(3) = 0
[pid 5287] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5287] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5287] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5287] openat(3, "freezer.state", O_RDWR) = 4
[pid 5287] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5287] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5287] close(3) = 0
[pid 5287] close(4) = 0
[pid 5287] close(5) = -1 EBADF (Bad file descriptor)
[pid 5287] close(6) = -1 EBADF (Bad file descriptor)
[pid 5287] close(7) = -1 EBADF (Bad file descriptor)
[pid 5287] close(8) = -1 EBADF (Bad file descriptor)
[pid 5287] close(9) = -1 EBADF (Bad file descriptor)
[pid 5287] close(10) = -1 EBADF (Bad file descriptor)
[pid 5287] close(11) = -1 EBADF (Bad file descriptor)
[pid 5287] close(12) = -1 EBADF (Bad file descriptor)
[pid 5287] close(13) = -1 EBADF (Bad file descriptor)
[pid 5287] close(14) = -1 EBADF (Bad file descriptor)
[pid 5287] close(15) = -1 EBADF (Bad file descriptor)
[pid 5287] close(16) = -1 EBADF (Bad file descriptor)
[pid 5287] close(17) = -1 EBADF (Bad file descriptor)
[pid 5287] close(18) = -1 EBADF (Bad file descriptor)
[pid 5287] close(19) = -1 EBADF (Bad file descriptor)
[pid 5287] close(20) = -1 EBADF (Bad file descriptor)
[pid 5287] close(21) = -1 EBADF (Bad file descriptor)
[pid 5287] close(22) = -1 EBADF (Bad file descriptor)
[pid 5287] close(23) = -1 EBADF (Bad file descriptor)
[pid 5287] close(24) = -1 EBADF (Bad file descriptor)
[pid 5287] close(25) = -1 EBADF (Bad file descriptor)
[pid 5287] close(26) = -1 EBADF (Bad file descriptor)
[pid 5287] close(27) = -1 EBADF (Bad file descriptor)
[pid 5287] close(28) = -1 EBADF (Bad file descriptor)
[pid 5287] close(29) = -1 EBADF (Bad file descriptor)
[pid 5287] exit_group(0) = ?
[pid 5287] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./285/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./285/cgroup.cpu") = 0
[pid 5000] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./285/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./285/binderfs") = 0
[pid 5000] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./285/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./285/cgroup") = 0
[pid 5000] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./285/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./285/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./285") = 0
[pid 5000] mkdir("./286", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5288 attached
<unfinished ...>
[pid 5288] chdir("./286" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 288
[pid 5288] <... chdir resumed>) = 0
[pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5288] setpgid(0, 0) = 0
[pid 5288] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5288] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5288] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5288] write(3, "1000", 4) = 4
[pid 5288] close(3) = 0
[pid 5288] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5288] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5288] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5288] openat(3, "freezer.state", O_RDWR) = 4
[pid 5288] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5288] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5288] close(3) = 0
[pid 5288] close(4) = 0
[pid 5288] close(5) = -1 EBADF (Bad file descriptor)
[pid 5288] close(6) = -1 EBADF (Bad file descriptor)
[pid 5288] close(7) = -1 EBADF (Bad file descriptor)
[pid 5288] close(8) = -1 EBADF (Bad file descriptor)
[pid 5288] close(9) = -1 EBADF (Bad file descriptor)
[pid 5288] close(10) = -1 EBADF (Bad file descriptor)
[pid 5288] close(11) = -1 EBADF (Bad file descriptor)
[pid 5288] close(12) = -1 EBADF (Bad file descriptor)
[pid 5288] close(13) = -1 EBADF (Bad file descriptor)
[pid 5288] close(14) = -1 EBADF (Bad file descriptor)
[pid 5288] close(15) = -1 EBADF (Bad file descriptor)
[pid 5288] close(16) = -1 EBADF (Bad file descriptor)
[pid 5288] close(17) = -1 EBADF (Bad file descriptor)
[pid 5288] close(18) = -1 EBADF (Bad file descriptor)
[pid 5288] close(19) = -1 EBADF (Bad file descriptor)
[pid 5288] close(20) = -1 EBADF (Bad file descriptor)
[pid 5288] close(21) = -1 EBADF (Bad file descriptor)
[pid 5288] close(22) = -1 EBADF (Bad file descriptor)
[pid 5288] close(23) = -1 EBADF (Bad file descriptor)
[pid 5288] close(24) = -1 EBADF (Bad file descriptor)
[pid 5288] close(25) = -1 EBADF (Bad file descriptor)
[pid 5288] close(26) = -1 EBADF (Bad file descriptor)
[pid 5288] close(27) = -1 EBADF (Bad file descriptor)
[pid 5288] close(28) = -1 EBADF (Bad file descriptor)
[pid 5288] close(29) = -1 EBADF (Bad file descriptor)
[pid 5288] exit_group(0) = ?
[pid 5288] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./286/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./286/cgroup.cpu") = 0
[pid 5000] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./286/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./286/binderfs") = 0
[pid 5000] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./286/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./286/cgroup") = 0
[pid 5000] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./286/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./286/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./286") = 0
[pid 5000] mkdir("./287", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 289
./strace-static-x86_64: Process 5289 attached
[pid 5289] chdir("./287") = 0
[pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5289] setpgid(0, 0) = 0
[pid 5289] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5289] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5289] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5289] write(3, "1000", 4) = 4
[pid 5289] close(3) = 0
[pid 5289] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5289] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5289] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5289] openat(3, "freezer.state", O_RDWR) = 4
[pid 5289] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5289] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5289] close(3) = 0
[pid 5289] close(4) = 0
[pid 5289] close(5) = -1 EBADF (Bad file descriptor)
[pid 5289] close(6) = -1 EBADF (Bad file descriptor)
[pid 5289] close(7) = -1 EBADF (Bad file descriptor)
[pid 5289] close(8) = -1 EBADF (Bad file descriptor)
[pid 5289] close(9) = -1 EBADF (Bad file descriptor)
[pid 5289] close(10) = -1 EBADF (Bad file descriptor)
[pid 5289] close(11) = -1 EBADF (Bad file descriptor)
[pid 5289] close(12) = -1 EBADF (Bad file descriptor)
[pid 5289] close(13) = -1 EBADF (Bad file descriptor)
[pid 5289] close(14) = -1 EBADF (Bad file descriptor)
[pid 5289] close(15) = -1 EBADF (Bad file descriptor)
[pid 5289] close(16) = -1 EBADF (Bad file descriptor)
[pid 5289] close(17) = -1 EBADF (Bad file descriptor)
[pid 5289] close(18) = -1 EBADF (Bad file descriptor)
[pid 5289] close(19) = -1 EBADF (Bad file descriptor)
[pid 5289] close(20) = -1 EBADF (Bad file descriptor)
[pid 5289] close(21) = -1 EBADF (Bad file descriptor)
[pid 5289] close(22) = -1 EBADF (Bad file descriptor)
[pid 5289] close(23) = -1 EBADF (Bad file descriptor)
[pid 5289] close(24) = -1 EBADF (Bad file descriptor)
[pid 5289] close(25) = -1 EBADF (Bad file descriptor)
[pid 5289] close(26) = -1 EBADF (Bad file descriptor)
[pid 5289] close(27) = -1 EBADF (Bad file descriptor)
[pid 5289] close(28) = -1 EBADF (Bad file descriptor)
[pid 5289] close(29) = -1 EBADF (Bad file descriptor)
[pid 5289] exit_group(0) = ?
[pid 5289] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./287/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./287/cgroup.cpu") = 0
[pid 5000] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./287/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./287/binderfs") = 0
[pid 5000] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./287/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./287/cgroup") = 0
[pid 5000] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./287/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./287/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./287") = 0
[pid 5000] mkdir("./288", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5290 attached
<unfinished ...>
[pid 5290] chdir("./288") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 290
[pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5290] setpgid(0, 0) = 0
[pid 5290] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5290] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5290] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5290] write(3, "1000", 4) = 4
[pid 5290] close(3) = 0
[pid 5290] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5290] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5290] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5290] openat(3, "freezer.state", O_RDWR) = 4
[pid 5290] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5290] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5290] close(3) = 0
[pid 5290] close(4) = 0
[pid 5290] close(5) = -1 EBADF (Bad file descriptor)
[pid 5290] close(6) = -1 EBADF (Bad file descriptor)
[pid 5290] close(7) = -1 EBADF (Bad file descriptor)
[pid 5290] close(8) = -1 EBADF (Bad file descriptor)
[pid 5290] close(9) = -1 EBADF (Bad file descriptor)
[pid 5290] close(10) = -1 EBADF (Bad file descriptor)
[pid 5290] close(11) = -1 EBADF (Bad file descriptor)
[pid 5290] close(12) = -1 EBADF (Bad file descriptor)
[pid 5290] close(13) = -1 EBADF (Bad file descriptor)
[pid 5290] close(14) = -1 EBADF (Bad file descriptor)
[pid 5290] close(15) = -1 EBADF (Bad file descriptor)
[pid 5290] close(16) = -1 EBADF (Bad file descriptor)
[pid 5290] close(17) = -1 EBADF (Bad file descriptor)
[pid 5290] close(18) = -1 EBADF (Bad file descriptor)
[pid 5290] close(19) = -1 EBADF (Bad file descriptor)
[pid 5290] close(20) = -1 EBADF (Bad file descriptor)
[pid 5290] close(21) = -1 EBADF (Bad file descriptor)
[pid 5290] close(22) = -1 EBADF (Bad file descriptor)
[pid 5290] close(23) = -1 EBADF (Bad file descriptor)
[pid 5290] close(24) = -1 EBADF (Bad file descriptor)
[pid 5290] close(25) = -1 EBADF (Bad file descriptor)
[pid 5290] close(26) = -1 EBADF (Bad file descriptor)
[pid 5290] close(27) = -1 EBADF (Bad file descriptor)
[pid 5290] close(28) = -1 EBADF (Bad file descriptor)
[pid 5290] close(29) = -1 EBADF (Bad file descriptor)
[pid 5290] exit_group(0) = ?
[pid 5290] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./288/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./288/cgroup.cpu") = 0
[pid 5000] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./288/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./288/binderfs") = 0
[pid 5000] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./288/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./288/cgroup") = 0
[pid 5000] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./288/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./288/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./288") = 0
[pid 5000] mkdir("./289", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5291 attached
<unfinished ...>
[pid 5291] chdir("./289") = 0
[pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5291] setpgid(0, 0) = 0
[pid 5291] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5291] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5291] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 291
[pid 5291] write(3, "1000", 4) = 4
[pid 5291] close(3) = 0
[pid 5291] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5291] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5291] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5291] openat(3, "freezer.state", O_RDWR) = 4
[pid 5291] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5291] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5291] close(3) = 0
[pid 5291] close(4) = 0
[pid 5291] close(5) = -1 EBADF (Bad file descriptor)
[pid 5291] close(6) = -1 EBADF (Bad file descriptor)
[pid 5291] close(7) = -1 EBADF (Bad file descriptor)
[pid 5291] close(8) = -1 EBADF (Bad file descriptor)
[pid 5291] close(9) = -1 EBADF (Bad file descriptor)
[pid 5291] close(10) = -1 EBADF (Bad file descriptor)
[pid 5291] close(11) = -1 EBADF (Bad file descriptor)
[pid 5291] close(12) = -1 EBADF (Bad file descriptor)
[pid 5291] close(13) = -1 EBADF (Bad file descriptor)
[pid 5291] close(14) = -1 EBADF (Bad file descriptor)
[pid 5291] close(15) = -1 EBADF (Bad file descriptor)
[pid 5291] close(16) = -1 EBADF (Bad file descriptor)
[pid 5291] close(17) = -1 EBADF (Bad file descriptor)
[pid 5291] close(18) = -1 EBADF (Bad file descriptor)
[pid 5291] close(19) = -1 EBADF (Bad file descriptor)
[pid 5291] close(20) = -1 EBADF (Bad file descriptor)
[pid 5291] close(21) = -1 EBADF (Bad file descriptor)
[pid 5291] close(22) = -1 EBADF (Bad file descriptor)
[pid 5291] close(23) = -1 EBADF (Bad file descriptor)
[pid 5291] close(24) = -1 EBADF (Bad file descriptor)
[pid 5291] close(25) = -1 EBADF (Bad file descriptor)
[pid 5291] close(26) = -1 EBADF (Bad file descriptor)
[pid 5291] close(27) = -1 EBADF (Bad file descriptor)
[pid 5291] close(28) = -1 EBADF (Bad file descriptor)
[pid 5291] close(29) = -1 EBADF (Bad file descriptor)
[pid 5291] exit_group(0) = ?
[pid 5291] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./289/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./289/cgroup.cpu") = 0
[pid 5000] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./289/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./289/binderfs") = 0
[pid 5000] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./289/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./289/cgroup") = 0
[pid 5000] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./289/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./289/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./289") = 0
[pid 5000] mkdir("./290", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5292 attached
<unfinished ...>
[pid 5292] chdir("./290") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 292
[pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5292] setpgid(0, 0) = 0
[pid 5292] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5292] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5292] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5292] write(3, "1000", 4) = 4
[pid 5292] close(3) = 0
[pid 5292] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5292] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5292] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5292] openat(3, "freezer.state", O_RDWR) = 4
[pid 5292] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5292] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5292] close(3) = 0
[pid 5292] close(4) = 0
[pid 5292] close(5) = -1 EBADF (Bad file descriptor)
[pid 5292] close(6) = -1 EBADF (Bad file descriptor)
[pid 5292] close(7) = -1 EBADF (Bad file descriptor)
[pid 5292] close(8) = -1 EBADF (Bad file descriptor)
[pid 5292] close(9) = -1 EBADF (Bad file descriptor)
[pid 5292] close(10) = -1 EBADF (Bad file descriptor)
[pid 5292] close(11) = -1 EBADF (Bad file descriptor)
[pid 5292] close(12) = -1 EBADF (Bad file descriptor)
[pid 5292] close(13) = -1 EBADF (Bad file descriptor)
[pid 5292] close(14) = -1 EBADF (Bad file descriptor)
[pid 5292] close(15) = -1 EBADF (Bad file descriptor)
[pid 5292] close(16) = -1 EBADF (Bad file descriptor)
[pid 5292] close(17) = -1 EBADF (Bad file descriptor)
[pid 5292] close(18) = -1 EBADF (Bad file descriptor)
[pid 5292] close(19) = -1 EBADF (Bad file descriptor)
[pid 5292] close(20) = -1 EBADF (Bad file descriptor)
[pid 5292] close(21) = -1 EBADF (Bad file descriptor)
[pid 5292] close(22) = -1 EBADF (Bad file descriptor)
[pid 5292] close(23) = -1 EBADF (Bad file descriptor)
[pid 5292] close(24) = -1 EBADF (Bad file descriptor)
[pid 5292] close(25) = -1 EBADF (Bad file descriptor)
[pid 5292] close(26) = -1 EBADF (Bad file descriptor)
[pid 5292] close(27) = -1 EBADF (Bad file descriptor)
[pid 5292] close(28) = -1 EBADF (Bad file descriptor)
[pid 5292] close(29) = -1 EBADF (Bad file descriptor)
[pid 5292] exit_group(0) = ?
[pid 5292] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./290/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./290/cgroup.cpu") = 0
[pid 5000] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./290/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./290/binderfs") = 0
[pid 5000] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./290/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./290/cgroup") = 0
[pid 5000] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./290/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./290/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./290") = 0
[pid 5000] mkdir("./291", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5293 attached
<unfinished ...>
[pid 5293] chdir("./291") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 293
[pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5293] setpgid(0, 0) = 0
[pid 5293] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5293] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5293] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5293] write(3, "1000", 4) = 4
[pid 5293] close(3) = 0
[pid 5293] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5293] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5293] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5293] openat(3, "freezer.state", O_RDWR) = 4
[pid 5293] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5293] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5293] close(3) = 0
[pid 5293] close(4) = 0
[pid 5293] close(5) = -1 EBADF (Bad file descriptor)
[pid 5293] close(6) = -1 EBADF (Bad file descriptor)
[pid 5293] close(7) = -1 EBADF (Bad file descriptor)
[pid 5293] close(8) = -1 EBADF (Bad file descriptor)
[pid 5293] close(9) = -1 EBADF (Bad file descriptor)
[pid 5293] close(10) = -1 EBADF (Bad file descriptor)
[pid 5293] close(11) = -1 EBADF (Bad file descriptor)
[pid 5293] close(12) = -1 EBADF (Bad file descriptor)
[pid 5293] close(13) = -1 EBADF (Bad file descriptor)
[pid 5293] close(14) = -1 EBADF (Bad file descriptor)
[pid 5293] close(15) = -1 EBADF (Bad file descriptor)
[pid 5293] close(16) = -1 EBADF (Bad file descriptor)
[pid 5293] close(17) = -1 EBADF (Bad file descriptor)
[pid 5293] close(18) = -1 EBADF (Bad file descriptor)
[pid 5293] close(19) = -1 EBADF (Bad file descriptor)
[pid 5293] close(20) = -1 EBADF (Bad file descriptor)
[pid 5293] close(21) = -1 EBADF (Bad file descriptor)
[pid 5293] close(22) = -1 EBADF (Bad file descriptor)
[pid 5293] close(23) = -1 EBADF (Bad file descriptor)
[pid 5293] close(24) = -1 EBADF (Bad file descriptor)
[pid 5293] close(25) = -1 EBADF (Bad file descriptor)
[pid 5293] close(26) = -1 EBADF (Bad file descriptor)
[pid 5293] close(27) = -1 EBADF (Bad file descriptor)
[pid 5293] close(28) = -1 EBADF (Bad file descriptor)
[pid 5293] close(29) = -1 EBADF (Bad file descriptor)
[pid 5293] exit_group(0) = ?
[pid 5293] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./291/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./291/cgroup.cpu") = 0
[pid 5000] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./291/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./291/binderfs") = 0
[pid 5000] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./291/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./291/cgroup") = 0
[pid 5000] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./291/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./291/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./291") = 0
[pid 5000] mkdir("./292", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5294 attached
<unfinished ...>
[pid 5294] chdir("./292") = 0
[pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5294] setpgid(0, 0) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 294
[pid 5294] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5294] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5294] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5294] write(3, "1000", 4) = 4
[pid 5294] close(3) = 0
[pid 5294] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5294] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5294] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5294] openat(3, "freezer.state", O_RDWR) = 4
[pid 5294] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5294] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5294] close(3) = 0
[pid 5294] close(4) = 0
[pid 5294] close(5) = -1 EBADF (Bad file descriptor)
[pid 5294] close(6) = -1 EBADF (Bad file descriptor)
[pid 5294] close(7) = -1 EBADF (Bad file descriptor)
[pid 5294] close(8) = -1 EBADF (Bad file descriptor)
[pid 5294] close(9) = -1 EBADF (Bad file descriptor)
[pid 5294] close(10) = -1 EBADF (Bad file descriptor)
[pid 5294] close(11) = -1 EBADF (Bad file descriptor)
[pid 5294] close(12) = -1 EBADF (Bad file descriptor)
[pid 5294] close(13) = -1 EBADF (Bad file descriptor)
[pid 5294] close(14) = -1 EBADF (Bad file descriptor)
[pid 5294] close(15) = -1 EBADF (Bad file descriptor)
[pid 5294] close(16) = -1 EBADF (Bad file descriptor)
[pid 5294] close(17) = -1 EBADF (Bad file descriptor)
[pid 5294] close(18) = -1 EBADF (Bad file descriptor)
[pid 5294] close(19) = -1 EBADF (Bad file descriptor)
[pid 5294] close(20) = -1 EBADF (Bad file descriptor)
[pid 5294] close(21) = -1 EBADF (Bad file descriptor)
[pid 5294] close(22) = -1 EBADF (Bad file descriptor)
[pid 5294] close(23) = -1 EBADF (Bad file descriptor)
[pid 5294] close(24) = -1 EBADF (Bad file descriptor)
[pid 5294] close(25) = -1 EBADF (Bad file descriptor)
[pid 5294] close(26) = -1 EBADF (Bad file descriptor)
[pid 5294] close(27) = -1 EBADF (Bad file descriptor)
[pid 5294] close(28) = -1 EBADF (Bad file descriptor)
[pid 5294] close(29) = -1 EBADF (Bad file descriptor)
[pid 5294] exit_group(0) = ?
[pid 5294] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./292/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./292/cgroup.cpu") = 0
[pid 5000] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./292/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./292/binderfs") = 0
[pid 5000] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./292/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./292/cgroup") = 0
[pid 5000] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./292/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./292/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./292") = 0
[pid 5000] mkdir("./293", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5295 attached
<unfinished ...>
[pid 5295] chdir("./293") = 0
[pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5295] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 295
[pid 5295] <... setpgid resumed>) = 0
[pid 5295] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5295] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5295] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5295] write(3, "1000", 4) = 4
[pid 5295] close(3) = 0
[pid 5295] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5295] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5295] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5295] openat(3, "freezer.state", O_RDWR) = 4
[pid 5295] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5295] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5295] close(3) = 0
[pid 5295] close(4) = 0
[pid 5295] close(5) = -1 EBADF (Bad file descriptor)
[pid 5295] close(6) = -1 EBADF (Bad file descriptor)
[pid 5295] close(7) = -1 EBADF (Bad file descriptor)
[pid 5295] close(8) = -1 EBADF (Bad file descriptor)
[pid 5295] close(9) = -1 EBADF (Bad file descriptor)
[pid 5295] close(10) = -1 EBADF (Bad file descriptor)
[pid 5295] close(11) = -1 EBADF (Bad file descriptor)
[pid 5295] close(12) = -1 EBADF (Bad file descriptor)
[pid 5295] close(13) = -1 EBADF (Bad file descriptor)
[pid 5295] close(14) = -1 EBADF (Bad file descriptor)
[pid 5295] close(15) = -1 EBADF (Bad file descriptor)
[pid 5295] close(16) = -1 EBADF (Bad file descriptor)
[pid 5295] close(17) = -1 EBADF (Bad file descriptor)
[pid 5295] close(18) = -1 EBADF (Bad file descriptor)
[pid 5295] close(19) = -1 EBADF (Bad file descriptor)
[pid 5295] close(20) = -1 EBADF (Bad file descriptor)
[pid 5295] close(21) = -1 EBADF (Bad file descriptor)
[pid 5295] close(22) = -1 EBADF (Bad file descriptor)
[pid 5295] close(23) = -1 EBADF (Bad file descriptor)
[pid 5295] close(24) = -1 EBADF (Bad file descriptor)
[pid 5295] close(25) = -1 EBADF (Bad file descriptor)
[pid 5295] close(26) = -1 EBADF (Bad file descriptor)
[pid 5295] close(27) = -1 EBADF (Bad file descriptor)
[pid 5295] close(28) = -1 EBADF (Bad file descriptor)
[pid 5295] close(29) = -1 EBADF (Bad file descriptor)
[pid 5295] exit_group(0) = ?
[pid 5295] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./293/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./293/cgroup.cpu") = 0
[pid 5000] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./293/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./293/binderfs") = 0
[pid 5000] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./293/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./293/cgroup") = 0
[pid 5000] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./293/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./293/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./293") = 0
[pid 5000] mkdir("./294", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5296 attached
<unfinished ...>
[pid 5296] chdir("./294") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 296
[pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5296] setpgid(0, 0) = 0
[pid 5296] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5296] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5296] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5296] write(3, "1000", 4) = 4
[pid 5296] close(3) = 0
[pid 5296] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5296] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5296] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5296] openat(3, "freezer.state", O_RDWR) = 4
[pid 5296] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5296] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5296] close(3) = 0
[pid 5296] close(4) = 0
[pid 5296] close(5) = -1 EBADF (Bad file descriptor)
[pid 5296] close(6) = -1 EBADF (Bad file descriptor)
[pid 5296] close(7) = -1 EBADF (Bad file descriptor)
[pid 5296] close(8) = -1 EBADF (Bad file descriptor)
[pid 5296] close(9) = -1 EBADF (Bad file descriptor)
[pid 5296] close(10) = -1 EBADF (Bad file descriptor)
[pid 5296] close(11) = -1 EBADF (Bad file descriptor)
[pid 5296] close(12) = -1 EBADF (Bad file descriptor)
[pid 5296] close(13) = -1 EBADF (Bad file descriptor)
[pid 5296] close(14) = -1 EBADF (Bad file descriptor)
[pid 5296] close(15) = -1 EBADF (Bad file descriptor)
[pid 5296] close(16) = -1 EBADF (Bad file descriptor)
[pid 5296] close(17) = -1 EBADF (Bad file descriptor)
[pid 5296] close(18) = -1 EBADF (Bad file descriptor)
[pid 5296] close(19) = -1 EBADF (Bad file descriptor)
[pid 5296] close(20) = -1 EBADF (Bad file descriptor)
[pid 5296] close(21) = -1 EBADF (Bad file descriptor)
[pid 5296] close(22) = -1 EBADF (Bad file descriptor)
[pid 5296] close(23) = -1 EBADF (Bad file descriptor)
[pid 5296] close(24) = -1 EBADF (Bad file descriptor)
[pid 5296] close(25) = -1 EBADF (Bad file descriptor)
[pid 5296] close(26) = -1 EBADF (Bad file descriptor)
[pid 5296] close(27) = -1 EBADF (Bad file descriptor)
[pid 5296] close(28) = -1 EBADF (Bad file descriptor)
[pid 5296] close(29) = -1 EBADF (Bad file descriptor)
[pid 5296] exit_group(0) = ?
[pid 5296] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./294/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./294/cgroup.cpu") = 0
[pid 5000] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./294/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./294/binderfs") = 0
[pid 5000] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./294/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./294/cgroup") = 0
[pid 5000] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./294/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./294/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./294") = 0
[pid 5000] mkdir("./295", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5297 attached
<unfinished ...>
[pid 5297] chdir("./295") = 0
[pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5297] setpgid(0, 0) = 0
[pid 5297] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 297
[pid 5297] <... symlink resumed>) = 0
[pid 5297] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5297] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5297] write(3, "1000", 4) = 4
[pid 5297] close(3) = 0
[pid 5297] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5297] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5297] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5297] openat(3, "freezer.state", O_RDWR) = 4
[pid 5297] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5297] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5297] close(3) = 0
[pid 5297] close(4) = 0
[pid 5297] close(5) = -1 EBADF (Bad file descriptor)
[pid 5297] close(6) = -1 EBADF (Bad file descriptor)
[pid 5297] close(7) = -1 EBADF (Bad file descriptor)
[pid 5297] close(8) = -1 EBADF (Bad file descriptor)
[pid 5297] close(9) = -1 EBADF (Bad file descriptor)
[pid 5297] close(10) = -1 EBADF (Bad file descriptor)
[pid 5297] close(11) = -1 EBADF (Bad file descriptor)
[pid 5297] close(12) = -1 EBADF (Bad file descriptor)
[pid 5297] close(13) = -1 EBADF (Bad file descriptor)
[pid 5297] close(14) = -1 EBADF (Bad file descriptor)
[pid 5297] close(15) = -1 EBADF (Bad file descriptor)
[pid 5297] close(16) = -1 EBADF (Bad file descriptor)
[pid 5297] close(17) = -1 EBADF (Bad file descriptor)
[pid 5297] close(18) = -1 EBADF (Bad file descriptor)
[pid 5297] close(19) = -1 EBADF (Bad file descriptor)
[pid 5297] close(20) = -1 EBADF (Bad file descriptor)
[pid 5297] close(21) = -1 EBADF (Bad file descriptor)
[pid 5297] close(22) = -1 EBADF (Bad file descriptor)
[pid 5297] close(23) = -1 EBADF (Bad file descriptor)
[pid 5297] close(24) = -1 EBADF (Bad file descriptor)
[pid 5297] close(25) = -1 EBADF (Bad file descriptor)
[pid 5297] close(26) = -1 EBADF (Bad file descriptor)
[pid 5297] close(27) = -1 EBADF (Bad file descriptor)
[pid 5297] close(28) = -1 EBADF (Bad file descriptor)
[pid 5297] close(29) = -1 EBADF (Bad file descriptor)
[pid 5297] exit_group(0) = ?
[pid 5297] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./295/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./295/cgroup.cpu") = 0
[pid 5000] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./295/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./295/binderfs") = 0
[pid 5000] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./295/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./295/cgroup") = 0
[pid 5000] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./295/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./295/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./295") = 0
[pid 5000] mkdir("./296", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5298 attached
<unfinished ...>
[pid 5298] chdir("./296") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 298
[pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5298] setpgid(0, 0) = 0
[pid 5298] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5298] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5298] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5298] write(3, "1000", 4) = 4
[pid 5298] close(3) = 0
[pid 5298] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5298] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5298] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5298] openat(3, "freezer.state", O_RDWR) = 4
[pid 5298] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5298] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5298] close(3) = 0
[pid 5298] close(4) = 0
[pid 5298] close(5) = -1 EBADF (Bad file descriptor)
[pid 5298] close(6) = -1 EBADF (Bad file descriptor)
[pid 5298] close(7) = -1 EBADF (Bad file descriptor)
[pid 5298] close(8) = -1 EBADF (Bad file descriptor)
[pid 5298] close(9) = -1 EBADF (Bad file descriptor)
[pid 5298] close(10) = -1 EBADF (Bad file descriptor)
[pid 5298] close(11) = -1 EBADF (Bad file descriptor)
[pid 5298] close(12) = -1 EBADF (Bad file descriptor)
[pid 5298] close(13) = -1 EBADF (Bad file descriptor)
[pid 5298] close(14) = -1 EBADF (Bad file descriptor)
[pid 5298] close(15) = -1 EBADF (Bad file descriptor)
[pid 5298] close(16) = -1 EBADF (Bad file descriptor)
[pid 5298] close(17) = -1 EBADF (Bad file descriptor)
[pid 5298] close(18) = -1 EBADF (Bad file descriptor)
[pid 5298] close(19) = -1 EBADF (Bad file descriptor)
[pid 5298] close(20) = -1 EBADF (Bad file descriptor)
[pid 5298] close(21) = -1 EBADF (Bad file descriptor)
[pid 5298] close(22) = -1 EBADF (Bad file descriptor)
[pid 5298] close(23) = -1 EBADF (Bad file descriptor)
[pid 5298] close(24) = -1 EBADF (Bad file descriptor)
[pid 5298] close(25) = -1 EBADF (Bad file descriptor)
[pid 5298] close(26) = -1 EBADF (Bad file descriptor)
[pid 5298] close(27) = -1 EBADF (Bad file descriptor)
[pid 5298] close(28) = -1 EBADF (Bad file descriptor)
[pid 5298] close(29) = -1 EBADF (Bad file descriptor)
[pid 5298] exit_group(0) = ?
[pid 5298] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./296/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./296/cgroup.cpu") = 0
[pid 5000] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./296/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./296/binderfs") = 0
[pid 5000] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./296/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./296/cgroup") = 0
[pid 5000] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./296/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./296/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./296") = 0
[pid 5000] mkdir("./297", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5299 attached
<unfinished ...>
[pid 5299] chdir("./297") = 0
[pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5299] setpgid(0, 0) = 0
[pid 5299] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 299
[pid 5299] <... symlink resumed>) = 0
[pid 5299] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5299] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5299] write(3, "1000", 4) = 4
[pid 5299] close(3) = 0
[pid 5299] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5299] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5299] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5299] openat(3, "freezer.state", O_RDWR) = 4
[pid 5299] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5299] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5299] close(3) = 0
[pid 5299] close(4) = 0
[pid 5299] close(5) = -1 EBADF (Bad file descriptor)
[pid 5299] close(6) = -1 EBADF (Bad file descriptor)
[pid 5299] close(7) = -1 EBADF (Bad file descriptor)
[pid 5299] close(8) = -1 EBADF (Bad file descriptor)
[pid 5299] close(9) = -1 EBADF (Bad file descriptor)
[pid 5299] close(10) = -1 EBADF (Bad file descriptor)
[pid 5299] close(11) = -1 EBADF (Bad file descriptor)
[pid 5299] close(12) = -1 EBADF (Bad file descriptor)
[pid 5299] close(13) = -1 EBADF (Bad file descriptor)
[pid 5299] close(14) = -1 EBADF (Bad file descriptor)
[pid 5299] close(15) = -1 EBADF (Bad file descriptor)
[pid 5299] close(16) = -1 EBADF (Bad file descriptor)
[pid 5299] close(17) = -1 EBADF (Bad file descriptor)
[pid 5299] close(18) = -1 EBADF (Bad file descriptor)
[pid 5299] close(19) = -1 EBADF (Bad file descriptor)
[pid 5299] close(20) = -1 EBADF (Bad file descriptor)
[pid 5299] close(21) = -1 EBADF (Bad file descriptor)
[pid 5299] close(22) = -1 EBADF (Bad file descriptor)
[pid 5299] close(23) = -1 EBADF (Bad file descriptor)
[pid 5299] close(24) = -1 EBADF (Bad file descriptor)
[pid 5299] close(25) = -1 EBADF (Bad file descriptor)
[pid 5299] close(26) = -1 EBADF (Bad file descriptor)
[pid 5299] close(27) = -1 EBADF (Bad file descriptor)
[pid 5299] close(28) = -1 EBADF (Bad file descriptor)
[pid 5299] close(29) = -1 EBADF (Bad file descriptor)
[pid 5299] exit_group(0) = ?
[pid 5299] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./297/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./297/cgroup.cpu") = 0
[pid 5000] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./297/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./297/binderfs") = 0
[pid 5000] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./297/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./297/cgroup") = 0
[pid 5000] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./297/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./297/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./297") = 0
[pid 5000] mkdir("./298", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 300
./strace-static-x86_64: Process 5300 attached
[pid 5300] chdir("./298") = 0
[pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5300] setpgid(0, 0) = 0
[pid 5300] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5300] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5300] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5300] write(3, "1000", 4) = 4
[pid 5300] close(3) = 0
[pid 5300] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5300] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5300] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5300] openat(3, "freezer.state", O_RDWR) = 4
[pid 5300] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5300] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5300] close(3) = 0
[pid 5300] close(4) = 0
[pid 5300] close(5) = -1 EBADF (Bad file descriptor)
[pid 5300] close(6) = -1 EBADF (Bad file descriptor)
[pid 5300] close(7) = -1 EBADF (Bad file descriptor)
[pid 5300] close(8) = -1 EBADF (Bad file descriptor)
[pid 5300] close(9) = -1 EBADF (Bad file descriptor)
[pid 5300] close(10) = -1 EBADF (Bad file descriptor)
[pid 5300] close(11) = -1 EBADF (Bad file descriptor)
[pid 5300] close(12) = -1 EBADF (Bad file descriptor)
[pid 5300] close(13) = -1 EBADF (Bad file descriptor)
[pid 5300] close(14) = -1 EBADF (Bad file descriptor)
[pid 5300] close(15) = -1 EBADF (Bad file descriptor)
[pid 5300] close(16) = -1 EBADF (Bad file descriptor)
[pid 5300] close(17) = -1 EBADF (Bad file descriptor)
[pid 5300] close(18) = -1 EBADF (Bad file descriptor)
[pid 5300] close(19) = -1 EBADF (Bad file descriptor)
[pid 5300] close(20) = -1 EBADF (Bad file descriptor)
[pid 5300] close(21) = -1 EBADF (Bad file descriptor)
[pid 5300] close(22) = -1 EBADF (Bad file descriptor)
[pid 5300] close(23) = -1 EBADF (Bad file descriptor)
[pid 5300] close(24) = -1 EBADF (Bad file descriptor)
[pid 5300] close(25) = -1 EBADF (Bad file descriptor)
[pid 5300] close(26) = -1 EBADF (Bad file descriptor)
[pid 5300] close(27) = -1 EBADF (Bad file descriptor)
[pid 5300] close(28) = -1 EBADF (Bad file descriptor)
[pid 5300] close(29) = -1 EBADF (Bad file descriptor)
[pid 5300] exit_group(0) = ?
[pid 5300] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./298/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./298/cgroup.cpu") = 0
[pid 5000] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./298/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./298/binderfs") = 0
[pid 5000] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./298/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./298/cgroup") = 0
[pid 5000] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./298/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./298/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./298") = 0
[pid 5000] mkdir("./299", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 301
./strace-static-x86_64: Process 5301 attached
[pid 5301] chdir("./299") = 0
[pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5301] setpgid(0, 0) = 0
[pid 5301] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5301] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5301] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5301] write(3, "1000", 4) = 4
[pid 5301] close(3) = 0
[pid 5301] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5301] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5301] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5301] openat(3, "freezer.state", O_RDWR) = 4
[pid 5301] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5301] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5301] close(3) = 0
[pid 5301] close(4) = 0
[pid 5301] close(5) = -1 EBADF (Bad file descriptor)
[pid 5301] close(6) = -1 EBADF (Bad file descriptor)
[pid 5301] close(7) = -1 EBADF (Bad file descriptor)
[pid 5301] close(8) = -1 EBADF (Bad file descriptor)
[pid 5301] close(9) = -1 EBADF (Bad file descriptor)
[pid 5301] close(10) = -1 EBADF (Bad file descriptor)
[pid 5301] close(11) = -1 EBADF (Bad file descriptor)
[pid 5301] close(12) = -1 EBADF (Bad file descriptor)
[pid 5301] close(13) = -1 EBADF (Bad file descriptor)
[pid 5301] close(14) = -1 EBADF (Bad file descriptor)
[pid 5301] close(15) = -1 EBADF (Bad file descriptor)
[pid 5301] close(16) = -1 EBADF (Bad file descriptor)
[pid 5301] close(17) = -1 EBADF (Bad file descriptor)
[pid 5301] close(18) = -1 EBADF (Bad file descriptor)
[pid 5301] close(19) = -1 EBADF (Bad file descriptor)
[pid 5301] close(20) = -1 EBADF (Bad file descriptor)
[pid 5301] close(21) = -1 EBADF (Bad file descriptor)
[pid 5301] close(22) = -1 EBADF (Bad file descriptor)
[pid 5301] close(23) = -1 EBADF (Bad file descriptor)
[pid 5301] close(24) = -1 EBADF (Bad file descriptor)
[pid 5301] close(25) = -1 EBADF (Bad file descriptor)
[pid 5301] close(26) = -1 EBADF (Bad file descriptor)
[pid 5301] close(27) = -1 EBADF (Bad file descriptor)
[pid 5301] close(28) = -1 EBADF (Bad file descriptor)
[pid 5301] close(29) = -1 EBADF (Bad file descriptor)
[pid 5301] exit_group(0) = ?
[pid 5301] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./299/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./299/cgroup.cpu") = 0
[pid 5000] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./299/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./299/binderfs") = 0
[pid 5000] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./299/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./299/cgroup") = 0
[pid 5000] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./299/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./299/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./299") = 0
[pid 5000] mkdir("./300", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 302
./strace-static-x86_64: Process 5302 attached
[pid 5302] chdir("./300") = 0
[pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5302] setpgid(0, 0) = 0
[pid 5302] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5302] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5302] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5302] write(3, "1000", 4) = 4
[pid 5302] close(3) = 0
[pid 5302] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5302] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5302] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5302] openat(3, "freezer.state", O_RDWR) = 4
[pid 5302] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5302] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5302] close(3) = 0
[pid 5302] close(4) = 0
[pid 5302] close(5) = -1 EBADF (Bad file descriptor)
[pid 5302] close(6) = -1 EBADF (Bad file descriptor)
[pid 5302] close(7) = -1 EBADF (Bad file descriptor)
[pid 5302] close(8) = -1 EBADF (Bad file descriptor)
[pid 5302] close(9) = -1 EBADF (Bad file descriptor)
[pid 5302] close(10) = -1 EBADF (Bad file descriptor)
[pid 5302] close(11) = -1 EBADF (Bad file descriptor)
[pid 5302] close(12) = -1 EBADF (Bad file descriptor)
[pid 5302] close(13) = -1 EBADF (Bad file descriptor)
[pid 5302] close(14) = -1 EBADF (Bad file descriptor)
[pid 5302] close(15) = -1 EBADF (Bad file descriptor)
[pid 5302] close(16) = -1 EBADF (Bad file descriptor)
[pid 5302] close(17) = -1 EBADF (Bad file descriptor)
[pid 5302] close(18) = -1 EBADF (Bad file descriptor)
[pid 5302] close(19) = -1 EBADF (Bad file descriptor)
[pid 5302] close(20) = -1 EBADF (Bad file descriptor)
[pid 5302] close(21) = -1 EBADF (Bad file descriptor)
[pid 5302] close(22) = -1 EBADF (Bad file descriptor)
[pid 5302] close(23) = -1 EBADF (Bad file descriptor)
[pid 5302] close(24) = -1 EBADF (Bad file descriptor)
[pid 5302] close(25) = -1 EBADF (Bad file descriptor)
[pid 5302] close(26) = -1 EBADF (Bad file descriptor)
[pid 5302] close(27) = -1 EBADF (Bad file descriptor)
[pid 5302] close(28) = -1 EBADF (Bad file descriptor)
[pid 5302] close(29) = -1 EBADF (Bad file descriptor)
[pid 5302] exit_group(0) = ?
[pid 5302] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./300/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./300/cgroup.cpu") = 0
[pid 5000] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./300/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./300/binderfs") = 0
[pid 5000] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./300/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./300/cgroup") = 0
[pid 5000] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./300/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./300/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./300") = 0
[pid 5000] mkdir("./301", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5303 attached
, child_tidptr=0x55555723f5d0) = 303
[pid 5303] chdir("./301") = 0
[pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5303] setpgid(0, 0) = 0
[pid 5303] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5303] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5303] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5303] write(3, "1000", 4) = 4
[pid 5303] close(3) = 0
[pid 5303] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5303] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5303] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5303] openat(3, "freezer.state", O_RDWR) = 4
[pid 5303] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5303] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5303] close(3) = 0
[pid 5303] close(4) = 0
[pid 5303] close(5) = -1 EBADF (Bad file descriptor)
[pid 5303] close(6) = -1 EBADF (Bad file descriptor)
[pid 5303] close(7) = -1 EBADF (Bad file descriptor)
[pid 5303] close(8) = -1 EBADF (Bad file descriptor)
[pid 5303] close(9) = -1 EBADF (Bad file descriptor)
[pid 5303] close(10) = -1 EBADF (Bad file descriptor)
[pid 5303] close(11) = -1 EBADF (Bad file descriptor)
[pid 5303] close(12) = -1 EBADF (Bad file descriptor)
[pid 5303] close(13) = -1 EBADF (Bad file descriptor)
[pid 5303] close(14) = -1 EBADF (Bad file descriptor)
[pid 5303] close(15) = -1 EBADF (Bad file descriptor)
[pid 5303] close(16) = -1 EBADF (Bad file descriptor)
[pid 5303] close(17) = -1 EBADF (Bad file descriptor)
[pid 5303] close(18) = -1 EBADF (Bad file descriptor)
[pid 5303] close(19) = -1 EBADF (Bad file descriptor)
[pid 5303] close(20) = -1 EBADF (Bad file descriptor)
[pid 5303] close(21) = -1 EBADF (Bad file descriptor)
[pid 5303] close(22) = -1 EBADF (Bad file descriptor)
[pid 5303] close(23) = -1 EBADF (Bad file descriptor)
[pid 5303] close(24) = -1 EBADF (Bad file descriptor)
[pid 5303] close(25) = -1 EBADF (Bad file descriptor)
[pid 5303] close(26) = -1 EBADF (Bad file descriptor)
[pid 5303] close(27) = -1 EBADF (Bad file descriptor)
[pid 5303] close(28) = -1 EBADF (Bad file descriptor)
[pid 5303] close(29) = -1 EBADF (Bad file descriptor)
[pid 5303] exit_group(0) = ?
[pid 5303] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./301/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./301/cgroup.cpu") = 0
[pid 5000] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./301/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./301/binderfs") = 0
[pid 5000] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./301/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./301/cgroup") = 0
[pid 5000] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./301/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./301/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./301") = 0
[pid 5000] mkdir("./302", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 304
./strace-static-x86_64: Process 5304 attached
[pid 5304] chdir("./302") = 0
[pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5304] setpgid(0, 0) = 0
[pid 5304] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5304] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5304] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5304] write(3, "1000", 4) = 4
[pid 5304] close(3) = 0
[pid 5304] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5304] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5304] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5304] openat(3, "freezer.state", O_RDWR) = 4
[pid 5304] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5304] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5304] close(3) = 0
[pid 5304] close(4) = 0
[pid 5304] close(5) = -1 EBADF (Bad file descriptor)
[pid 5304] close(6) = -1 EBADF (Bad file descriptor)
[pid 5304] close(7) = -1 EBADF (Bad file descriptor)
[pid 5304] close(8) = -1 EBADF (Bad file descriptor)
[pid 5304] close(9) = -1 EBADF (Bad file descriptor)
[pid 5304] close(10) = -1 EBADF (Bad file descriptor)
[pid 5304] close(11) = -1 EBADF (Bad file descriptor)
[pid 5304] close(12) = -1 EBADF (Bad file descriptor)
[pid 5304] close(13) = -1 EBADF (Bad file descriptor)
[pid 5304] close(14) = -1 EBADF (Bad file descriptor)
[pid 5304] close(15) = -1 EBADF (Bad file descriptor)
[pid 5304] close(16) = -1 EBADF (Bad file descriptor)
[pid 5304] close(17) = -1 EBADF (Bad file descriptor)
[pid 5304] close(18) = -1 EBADF (Bad file descriptor)
[pid 5304] close(19) = -1 EBADF (Bad file descriptor)
[pid 5304] close(20) = -1 EBADF (Bad file descriptor)
[pid 5304] close(21) = -1 EBADF (Bad file descriptor)
[pid 5304] close(22) = -1 EBADF (Bad file descriptor)
[pid 5304] close(23) = -1 EBADF (Bad file descriptor)
[pid 5304] close(24) = -1 EBADF (Bad file descriptor)
[pid 5304] close(25) = -1 EBADF (Bad file descriptor)
[pid 5304] close(26) = -1 EBADF (Bad file descriptor)
[pid 5304] close(27) = -1 EBADF (Bad file descriptor)
[pid 5304] close(28) = -1 EBADF (Bad file descriptor)
[pid 5304] close(29) = -1 EBADF (Bad file descriptor)
[pid 5304] exit_group(0) = ?
[pid 5304] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./302/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./302/cgroup.cpu") = 0
[pid 5000] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./302/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./302/binderfs") = 0
[pid 5000] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./302/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./302/cgroup") = 0
[pid 5000] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./302/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./302/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./302") = 0
[pid 5000] mkdir("./303", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 305
./strace-static-x86_64: Process 5305 attached
[pid 5305] chdir("./303") = 0
[pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5305] setpgid(0, 0) = 0
[pid 5305] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5305] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5305] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5305] write(3, "1000", 4) = 4
[pid 5305] close(3) = 0
[pid 5305] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5305] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5305] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5305] openat(3, "freezer.state", O_RDWR) = 4
[pid 5305] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5305] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5305] close(3) = 0
[pid 5305] close(4) = 0
[pid 5305] close(5) = -1 EBADF (Bad file descriptor)
[pid 5305] close(6) = -1 EBADF (Bad file descriptor)
[pid 5305] close(7) = -1 EBADF (Bad file descriptor)
[pid 5305] close(8) = -1 EBADF (Bad file descriptor)
[pid 5305] close(9) = -1 EBADF (Bad file descriptor)
[pid 5305] close(10) = -1 EBADF (Bad file descriptor)
[pid 5305] close(11) = -1 EBADF (Bad file descriptor)
[pid 5305] close(12) = -1 EBADF (Bad file descriptor)
[pid 5305] close(13) = -1 EBADF (Bad file descriptor)
[pid 5305] close(14) = -1 EBADF (Bad file descriptor)
[pid 5305] close(15) = -1 EBADF (Bad file descriptor)
[pid 5305] close(16) = -1 EBADF (Bad file descriptor)
[pid 5305] close(17) = -1 EBADF (Bad file descriptor)
[pid 5305] close(18) = -1 EBADF (Bad file descriptor)
[pid 5305] close(19) = -1 EBADF (Bad file descriptor)
[pid 5305] close(20) = -1 EBADF (Bad file descriptor)
[pid 5305] close(21) = -1 EBADF (Bad file descriptor)
[pid 5305] close(22) = -1 EBADF (Bad file descriptor)
[pid 5305] close(23) = -1 EBADF (Bad file descriptor)
[pid 5305] close(24) = -1 EBADF (Bad file descriptor)
[pid 5305] close(25) = -1 EBADF (Bad file descriptor)
[pid 5305] close(26) = -1 EBADF (Bad file descriptor)
[pid 5305] close(27) = -1 EBADF (Bad file descriptor)
[pid 5305] close(28) = -1 EBADF (Bad file descriptor)
[pid 5305] close(29) = -1 EBADF (Bad file descriptor)
[pid 5305] exit_group(0) = ?
[pid 5305] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./303/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./303/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./303/cgroup.cpu") = 0
[pid 5000] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./303/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./303/binderfs") = 0
[pid 5000] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./303/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./303/cgroup") = 0
[pid 5000] umount2("./303/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./303/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./303/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./303") = 0
[pid 5000] mkdir("./304", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5306 attached
<unfinished ...>
[pid 5306] chdir("./304") = 0
[pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 306
[pid 5306] <... prctl resumed>) = 0
[pid 5306] setpgid(0, 0) = 0
[pid 5306] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5306] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5306] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5306] write(3, "1000", 4) = 4
[pid 5306] close(3) = 0
[pid 5306] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5306] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5306] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5306] openat(3, "freezer.state", O_RDWR) = 4
[pid 5306] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5306] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5306] close(3) = 0
[pid 5306] close(4) = 0
[pid 5306] close(5) = -1 EBADF (Bad file descriptor)
[pid 5306] close(6) = -1 EBADF (Bad file descriptor)
[pid 5306] close(7) = -1 EBADF (Bad file descriptor)
[pid 5306] close(8) = -1 EBADF (Bad file descriptor)
[pid 5306] close(9) = -1 EBADF (Bad file descriptor)
[pid 5306] close(10) = -1 EBADF (Bad file descriptor)
[pid 5306] close(11) = -1 EBADF (Bad file descriptor)
[pid 5306] close(12) = -1 EBADF (Bad file descriptor)
[pid 5306] close(13) = -1 EBADF (Bad file descriptor)
[pid 5306] close(14) = -1 EBADF (Bad file descriptor)
[pid 5306] close(15) = -1 EBADF (Bad file descriptor)
[pid 5306] close(16) = -1 EBADF (Bad file descriptor)
[pid 5306] close(17) = -1 EBADF (Bad file descriptor)
[pid 5306] close(18) = -1 EBADF (Bad file descriptor)
[pid 5306] close(19) = -1 EBADF (Bad file descriptor)
[pid 5306] close(20) = -1 EBADF (Bad file descriptor)
[pid 5306] close(21) = -1 EBADF (Bad file descriptor)
[pid 5306] close(22) = -1 EBADF (Bad file descriptor)
[pid 5306] close(23) = -1 EBADF (Bad file descriptor)
[pid 5306] close(24) = -1 EBADF (Bad file descriptor)
[pid 5306] close(25) = -1 EBADF (Bad file descriptor)
[pid 5306] close(26) = -1 EBADF (Bad file descriptor)
[pid 5306] close(27) = -1 EBADF (Bad file descriptor)
[pid 5306] close(28) = -1 EBADF (Bad file descriptor)
[pid 5306] close(29) = -1 EBADF (Bad file descriptor)
[pid 5306] exit_group(0) = ?
[pid 5306] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./304", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./304/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./304/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./304/cgroup.cpu") = 0
[pid 5000] umount2("./304/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./304/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./304/binderfs") = 0
[pid 5000] umount2("./304/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./304/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./304/cgroup") = 0
[pid 5000] umount2("./304/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./304/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./304/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./304") = 0
[pid 5000] mkdir("./305", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5307 attached
<unfinished ...>
[pid 5307] chdir("./305") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 307
[pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5307] setpgid(0, 0) = 0
[pid 5307] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5307] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5307] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5307] write(3, "1000", 4) = 4
[pid 5307] close(3) = 0
[pid 5307] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5307] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5307] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5307] openat(3, "freezer.state", O_RDWR) = 4
[pid 5307] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5307] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5307] close(3) = 0
[pid 5307] close(4) = 0
[pid 5307] close(5) = -1 EBADF (Bad file descriptor)
[pid 5307] close(6) = -1 EBADF (Bad file descriptor)
[pid 5307] close(7) = -1 EBADF (Bad file descriptor)
[pid 5307] close(8) = -1 EBADF (Bad file descriptor)
[pid 5307] close(9) = -1 EBADF (Bad file descriptor)
[pid 5307] close(10) = -1 EBADF (Bad file descriptor)
[pid 5307] close(11) = -1 EBADF (Bad file descriptor)
[pid 5307] close(12) = -1 EBADF (Bad file descriptor)
[pid 5307] close(13) = -1 EBADF (Bad file descriptor)
[pid 5307] close(14) = -1 EBADF (Bad file descriptor)
[pid 5307] close(15) = -1 EBADF (Bad file descriptor)
[pid 5307] close(16) = -1 EBADF (Bad file descriptor)
[pid 5307] close(17) = -1 EBADF (Bad file descriptor)
[pid 5307] close(18) = -1 EBADF (Bad file descriptor)
[pid 5307] close(19) = -1 EBADF (Bad file descriptor)
[pid 5307] close(20) = -1 EBADF (Bad file descriptor)
[pid 5307] close(21) = -1 EBADF (Bad file descriptor)
[pid 5307] close(22) = -1 EBADF (Bad file descriptor)
[pid 5307] close(23) = -1 EBADF (Bad file descriptor)
[pid 5307] close(24) = -1 EBADF (Bad file descriptor)
[pid 5307] close(25) = -1 EBADF (Bad file descriptor)
[pid 5307] close(26) = -1 EBADF (Bad file descriptor)
[pid 5307] close(27) = -1 EBADF (Bad file descriptor)
[pid 5307] close(28) = -1 EBADF (Bad file descriptor)
[pid 5307] close(29) = -1 EBADF (Bad file descriptor)
[pid 5307] exit_group(0) = ?
[pid 5307] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./305", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./305/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./305/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./305/cgroup.cpu") = 0
[pid 5000] umount2("./305/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./305/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./305/binderfs") = 0
[pid 5000] umount2("./305/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./305/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./305/cgroup") = 0
[pid 5000] umount2("./305/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./305/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./305/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./305") = 0
[pid 5000] mkdir("./306", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5308 attached
<unfinished ...>
[pid 5308] chdir("./306") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 308
[pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5308] setpgid(0, 0) = 0
[pid 5308] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5308] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5308] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5308] write(3, "1000", 4) = 4
[pid 5308] close(3) = 0
[pid 5308] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5308] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5308] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5308] openat(3, "freezer.state", O_RDWR) = 4
[pid 5308] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5308] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5308] close(3) = 0
[pid 5308] close(4) = 0
[pid 5308] close(5) = -1 EBADF (Bad file descriptor)
[pid 5308] close(6) = -1 EBADF (Bad file descriptor)
[pid 5308] close(7) = -1 EBADF (Bad file descriptor)
[pid 5308] close(8) = -1 EBADF (Bad file descriptor)
[pid 5308] close(9) = -1 EBADF (Bad file descriptor)
[pid 5308] close(10) = -1 EBADF (Bad file descriptor)
[pid 5308] close(11) = -1 EBADF (Bad file descriptor)
[pid 5308] close(12) = -1 EBADF (Bad file descriptor)
[pid 5308] close(13) = -1 EBADF (Bad file descriptor)
[pid 5308] close(14) = -1 EBADF (Bad file descriptor)
[pid 5308] close(15) = -1 EBADF (Bad file descriptor)
[pid 5308] close(16) = -1 EBADF (Bad file descriptor)
[pid 5308] close(17) = -1 EBADF (Bad file descriptor)
[pid 5308] close(18) = -1 EBADF (Bad file descriptor)
[pid 5308] close(19) = -1 EBADF (Bad file descriptor)
[pid 5308] close(20) = -1 EBADF (Bad file descriptor)
[pid 5308] close(21) = -1 EBADF (Bad file descriptor)
[pid 5308] close(22) = -1 EBADF (Bad file descriptor)
[pid 5308] close(23) = -1 EBADF (Bad file descriptor)
[pid 5308] close(24) = -1 EBADF (Bad file descriptor)
[pid 5308] close(25) = -1 EBADF (Bad file descriptor)
[pid 5308] close(26) = -1 EBADF (Bad file descriptor)
[pid 5308] close(27) = -1 EBADF (Bad file descriptor)
[pid 5308] close(28) = -1 EBADF (Bad file descriptor)
[pid 5308] close(29) = -1 EBADF (Bad file descriptor)
[pid 5308] exit_group(0) = ?
[pid 5308] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./306", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./306/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./306/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./306/cgroup.cpu") = 0
[pid 5000] umount2("./306/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./306/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./306/binderfs") = 0
[pid 5000] umount2("./306/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./306/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./306/cgroup") = 0
[pid 5000] umount2("./306/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./306/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./306/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./306") = 0
[pid 5000] mkdir("./307", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5309 attached
<unfinished ...>
[pid 5309] chdir("./307") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 309
[pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5309] setpgid(0, 0) = 0
[pid 5309] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5309] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5309] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5309] write(3, "1000", 4) = 4
[pid 5309] close(3) = 0
[pid 5309] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5309] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5309] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5309] openat(3, "freezer.state", O_RDWR) = 4
[pid 5309] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5309] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5309] close(3) = 0
[pid 5309] close(4) = 0
[pid 5309] close(5) = -1 EBADF (Bad file descriptor)
[pid 5309] close(6) = -1 EBADF (Bad file descriptor)
[pid 5309] close(7) = -1 EBADF (Bad file descriptor)
[pid 5309] close(8) = -1 EBADF (Bad file descriptor)
[pid 5309] close(9) = -1 EBADF (Bad file descriptor)
[pid 5309] close(10) = -1 EBADF (Bad file descriptor)
[pid 5309] close(11) = -1 EBADF (Bad file descriptor)
[pid 5309] close(12) = -1 EBADF (Bad file descriptor)
[pid 5309] close(13) = -1 EBADF (Bad file descriptor)
[pid 5309] close(14) = -1 EBADF (Bad file descriptor)
[pid 5309] close(15) = -1 EBADF (Bad file descriptor)
[pid 5309] close(16) = -1 EBADF (Bad file descriptor)
[pid 5309] close(17) = -1 EBADF (Bad file descriptor)
[pid 5309] close(18) = -1 EBADF (Bad file descriptor)
[pid 5309] close(19) = -1 EBADF (Bad file descriptor)
[pid 5309] close(20) = -1 EBADF (Bad file descriptor)
[pid 5309] close(21) = -1 EBADF (Bad file descriptor)
[pid 5309] close(22) = -1 EBADF (Bad file descriptor)
[pid 5309] close(23) = -1 EBADF (Bad file descriptor)
[pid 5309] close(24) = -1 EBADF (Bad file descriptor)
[pid 5309] close(25) = -1 EBADF (Bad file descriptor)
[pid 5309] close(26) = -1 EBADF (Bad file descriptor)
[pid 5309] close(27) = -1 EBADF (Bad file descriptor)
[pid 5309] close(28) = -1 EBADF (Bad file descriptor)
[pid 5309] close(29) = -1 EBADF (Bad file descriptor)
[pid 5309] exit_group(0) = ?
[pid 5309] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./307", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./307/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./307/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./307/cgroup.cpu") = 0
[pid 5000] umount2("./307/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./307/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./307/binderfs") = 0
[pid 5000] umount2("./307/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./307/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./307/cgroup") = 0
[pid 5000] umount2("./307/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./307/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./307/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./307") = 0
[pid 5000] mkdir("./308", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 310
./strace-static-x86_64: Process 5310 attached
[pid 5310] chdir("./308") = 0
[pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5310] setpgid(0, 0) = 0
[pid 5310] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5310] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5310] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5310] write(3, "1000", 4) = 4
[pid 5310] close(3) = 0
[pid 5310] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5310] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5310] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5310] openat(3, "freezer.state", O_RDWR) = 4
[pid 5310] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5310] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5310] close(3) = 0
[pid 5310] close(4) = 0
[pid 5310] close(5) = -1 EBADF (Bad file descriptor)
[pid 5310] close(6) = -1 EBADF (Bad file descriptor)
[pid 5310] close(7) = -1 EBADF (Bad file descriptor)
[pid 5310] close(8) = -1 EBADF (Bad file descriptor)
[pid 5310] close(9) = -1 EBADF (Bad file descriptor)
[pid 5310] close(10) = -1 EBADF (Bad file descriptor)
[pid 5310] close(11) = -1 EBADF (Bad file descriptor)
[pid 5310] close(12) = -1 EBADF (Bad file descriptor)
[pid 5310] close(13) = -1 EBADF (Bad file descriptor)
[pid 5310] close(14) = -1 EBADF (Bad file descriptor)
[pid 5310] close(15) = -1 EBADF (Bad file descriptor)
[pid 5310] close(16) = -1 EBADF (Bad file descriptor)
[pid 5310] close(17) = -1 EBADF (Bad file descriptor)
[pid 5310] close(18) = -1 EBADF (Bad file descriptor)
[pid 5310] close(19) = -1 EBADF (Bad file descriptor)
[pid 5310] close(20) = -1 EBADF (Bad file descriptor)
[pid 5310] close(21) = -1 EBADF (Bad file descriptor)
[pid 5310] close(22) = -1 EBADF (Bad file descriptor)
[pid 5310] close(23) = -1 EBADF (Bad file descriptor)
[pid 5310] close(24) = -1 EBADF (Bad file descriptor)
[pid 5310] close(25) = -1 EBADF (Bad file descriptor)
[pid 5310] close(26) = -1 EBADF (Bad file descriptor)
[pid 5310] close(27) = -1 EBADF (Bad file descriptor)
[pid 5310] close(28) = -1 EBADF (Bad file descriptor)
[pid 5310] close(29) = -1 EBADF (Bad file descriptor)
[pid 5310] exit_group(0) = ?
[pid 5310] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./308", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./308/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./308/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./308/cgroup.cpu") = 0
[pid 5000] umount2("./308/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./308/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./308/binderfs") = 0
[pid 5000] umount2("./308/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./308/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./308/cgroup") = 0
[pid 5000] umount2("./308/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./308/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./308/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./308") = 0
[pid 5000] mkdir("./309", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5311 attached
<unfinished ...>
[pid 5311] chdir("./309") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 311
[pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5311] setpgid(0, 0) = 0
[pid 5311] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5311] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5311] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5311] write(3, "1000", 4) = 4
[pid 5311] close(3) = 0
[pid 5311] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5311] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5311] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5311] openat(3, "freezer.state", O_RDWR) = 4
[pid 5311] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5311] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5311] close(3) = 0
[pid 5311] close(4) = 0
[pid 5311] close(5) = -1 EBADF (Bad file descriptor)
[pid 5311] close(6) = -1 EBADF (Bad file descriptor)
[pid 5311] close(7) = -1 EBADF (Bad file descriptor)
[pid 5311] close(8) = -1 EBADF (Bad file descriptor)
[pid 5311] close(9) = -1 EBADF (Bad file descriptor)
[pid 5311] close(10) = -1 EBADF (Bad file descriptor)
[pid 5311] close(11) = -1 EBADF (Bad file descriptor)
[pid 5311] close(12) = -1 EBADF (Bad file descriptor)
[pid 5311] close(13) = -1 EBADF (Bad file descriptor)
[pid 5311] close(14) = -1 EBADF (Bad file descriptor)
[pid 5311] close(15) = -1 EBADF (Bad file descriptor)
[pid 5311] close(16) = -1 EBADF (Bad file descriptor)
[pid 5311] close(17) = -1 EBADF (Bad file descriptor)
[pid 5311] close(18) = -1 EBADF (Bad file descriptor)
[pid 5311] close(19) = -1 EBADF (Bad file descriptor)
[pid 5311] close(20) = -1 EBADF (Bad file descriptor)
[pid 5311] close(21) = -1 EBADF (Bad file descriptor)
[pid 5311] close(22) = -1 EBADF (Bad file descriptor)
[pid 5311] close(23) = -1 EBADF (Bad file descriptor)
[pid 5311] close(24) = -1 EBADF (Bad file descriptor)
[pid 5311] close(25) = -1 EBADF (Bad file descriptor)
[pid 5311] close(26) = -1 EBADF (Bad file descriptor)
[pid 5311] close(27) = -1 EBADF (Bad file descriptor)
[pid 5311] close(28) = -1 EBADF (Bad file descriptor)
[pid 5311] close(29) = -1 EBADF (Bad file descriptor)
[pid 5311] exit_group(0) = ?
[pid 5311] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./309", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./309/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./309/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./309/cgroup.cpu") = 0
[pid 5000] umount2("./309/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./309/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./309/binderfs") = 0
[pid 5000] umount2("./309/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./309/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./309/cgroup") = 0
[pid 5000] umount2("./309/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./309/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./309/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./309") = 0
[pid 5000] mkdir("./310", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5312 attached
<unfinished ...>
[pid 5312] chdir("./310") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 312
[pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5312] setpgid(0, 0) = 0
[pid 5312] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5312] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5312] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5312] write(3, "1000", 4) = 4
[pid 5312] close(3) = 0
[pid 5312] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5312] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5312] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5312] openat(3, "freezer.state", O_RDWR) = 4
[pid 5312] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5312] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5312] close(3) = 0
[pid 5312] close(4) = 0
[pid 5312] close(5) = -1 EBADF (Bad file descriptor)
[pid 5312] close(6) = -1 EBADF (Bad file descriptor)
[pid 5312] close(7) = -1 EBADF (Bad file descriptor)
[pid 5312] close(8) = -1 EBADF (Bad file descriptor)
[pid 5312] close(9) = -1 EBADF (Bad file descriptor)
[pid 5312] close(10) = -1 EBADF (Bad file descriptor)
[pid 5312] close(11) = -1 EBADF (Bad file descriptor)
[pid 5312] close(12) = -1 EBADF (Bad file descriptor)
[pid 5312] close(13) = -1 EBADF (Bad file descriptor)
[pid 5312] close(14) = -1 EBADF (Bad file descriptor)
[pid 5312] close(15) = -1 EBADF (Bad file descriptor)
[pid 5312] close(16) = -1 EBADF (Bad file descriptor)
[pid 5312] close(17) = -1 EBADF (Bad file descriptor)
[pid 5312] close(18) = -1 EBADF (Bad file descriptor)
[pid 5312] close(19) = -1 EBADF (Bad file descriptor)
[pid 5312] close(20) = -1 EBADF (Bad file descriptor)
[pid 5312] close(21) = -1 EBADF (Bad file descriptor)
[pid 5312] close(22) = -1 EBADF (Bad file descriptor)
[pid 5312] close(23) = -1 EBADF (Bad file descriptor)
[pid 5312] close(24) = -1 EBADF (Bad file descriptor)
[pid 5312] close(25) = -1 EBADF (Bad file descriptor)
[pid 5312] close(26) = -1 EBADF (Bad file descriptor)
[pid 5312] close(27) = -1 EBADF (Bad file descriptor)
[pid 5312] close(28) = -1 EBADF (Bad file descriptor)
[pid 5312] close(29) = -1 EBADF (Bad file descriptor)
[pid 5312] exit_group(0) = ?
[pid 5312] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./310", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./310/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./310/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./310/cgroup.cpu") = 0
[pid 5000] umount2("./310/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./310/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./310/binderfs") = 0
[pid 5000] umount2("./310/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./310/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./310/cgroup") = 0
[pid 5000] umount2("./310/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./310/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./310/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./310") = 0
[pid 5000] mkdir("./311", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5313 attached
<unfinished ...>
[pid 5313] chdir("./311") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 313
[pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5313] setpgid(0, 0) = 0
[pid 5313] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5313] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5313] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5313] write(3, "1000", 4) = 4
[pid 5313] close(3) = 0
[pid 5313] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5313] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5313] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5313] openat(3, "freezer.state", O_RDWR) = 4
[pid 5313] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5313] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5313] close(3) = 0
[pid 5313] close(4) = 0
[pid 5313] close(5) = -1 EBADF (Bad file descriptor)
[pid 5313] close(6) = -1 EBADF (Bad file descriptor)
[pid 5313] close(7) = -1 EBADF (Bad file descriptor)
[pid 5313] close(8) = -1 EBADF (Bad file descriptor)
[pid 5313] close(9) = -1 EBADF (Bad file descriptor)
[pid 5313] close(10) = -1 EBADF (Bad file descriptor)
[pid 5313] close(11) = -1 EBADF (Bad file descriptor)
[pid 5313] close(12) = -1 EBADF (Bad file descriptor)
[pid 5313] close(13) = -1 EBADF (Bad file descriptor)
[pid 5313] close(14) = -1 EBADF (Bad file descriptor)
[pid 5313] close(15) = -1 EBADF (Bad file descriptor)
[pid 5313] close(16) = -1 EBADF (Bad file descriptor)
[pid 5313] close(17) = -1 EBADF (Bad file descriptor)
[pid 5313] close(18) = -1 EBADF (Bad file descriptor)
[pid 5313] close(19) = -1 EBADF (Bad file descriptor)
[pid 5313] close(20) = -1 EBADF (Bad file descriptor)
[pid 5313] close(21) = -1 EBADF (Bad file descriptor)
[pid 5313] close(22) = -1 EBADF (Bad file descriptor)
[pid 5313] close(23) = -1 EBADF (Bad file descriptor)
[pid 5313] close(24) = -1 EBADF (Bad file descriptor)
[pid 5313] close(25) = -1 EBADF (Bad file descriptor)
[pid 5313] close(26) = -1 EBADF (Bad file descriptor)
[pid 5313] close(27) = -1 EBADF (Bad file descriptor)
[pid 5313] close(28) = -1 EBADF (Bad file descriptor)
[pid 5313] close(29) = -1 EBADF (Bad file descriptor)
[pid 5313] exit_group(0) = ?
[pid 5313] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./311", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./311/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./311/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./311/cgroup.cpu") = 0
[pid 5000] umount2("./311/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./311/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./311/binderfs") = 0
[pid 5000] umount2("./311/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./311/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./311/cgroup") = 0
[pid 5000] umount2("./311/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./311/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./311/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./311") = 0
[pid 5000] mkdir("./312", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 314
./strace-static-x86_64: Process 5314 attached
[pid 5314] chdir("./312") = 0
[pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5314] setpgid(0, 0) = 0
[pid 5314] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5314] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5314] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5314] write(3, "1000", 4) = 4
[pid 5314] close(3) = 0
[pid 5314] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5314] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5314] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5314] openat(3, "freezer.state", O_RDWR) = 4
[pid 5314] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5314] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5314] close(3) = 0
[pid 5314] close(4) = 0
[pid 5314] close(5) = -1 EBADF (Bad file descriptor)
[pid 5314] close(6) = -1 EBADF (Bad file descriptor)
[pid 5314] close(7) = -1 EBADF (Bad file descriptor)
[pid 5314] close(8) = -1 EBADF (Bad file descriptor)
[pid 5314] close(9) = -1 EBADF (Bad file descriptor)
[pid 5314] close(10) = -1 EBADF (Bad file descriptor)
[pid 5314] close(11) = -1 EBADF (Bad file descriptor)
[pid 5314] close(12) = -1 EBADF (Bad file descriptor)
[pid 5314] close(13) = -1 EBADF (Bad file descriptor)
[pid 5314] close(14) = -1 EBADF (Bad file descriptor)
[pid 5314] close(15) = -1 EBADF (Bad file descriptor)
[pid 5314] close(16) = -1 EBADF (Bad file descriptor)
[pid 5314] close(17) = -1 EBADF (Bad file descriptor)
[pid 5314] close(18) = -1 EBADF (Bad file descriptor)
[pid 5314] close(19) = -1 EBADF (Bad file descriptor)
[pid 5314] close(20) = -1 EBADF (Bad file descriptor)
[pid 5314] close(21) = -1 EBADF (Bad file descriptor)
[pid 5314] close(22) = -1 EBADF (Bad file descriptor)
[pid 5314] close(23) = -1 EBADF (Bad file descriptor)
[pid 5314] close(24) = -1 EBADF (Bad file descriptor)
[pid 5314] close(25) = -1 EBADF (Bad file descriptor)
[pid 5314] close(26) = -1 EBADF (Bad file descriptor)
[pid 5314] close(27) = -1 EBADF (Bad file descriptor)
[pid 5314] close(28) = -1 EBADF (Bad file descriptor)
[pid 5314] close(29) = -1 EBADF (Bad file descriptor)
[pid 5314] exit_group(0) = ?
[pid 5314] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./312", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./312/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./312/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./312/cgroup.cpu") = 0
[pid 5000] umount2("./312/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./312/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./312/binderfs") = 0
[pid 5000] umount2("./312/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./312/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./312/cgroup") = 0
[pid 5000] umount2("./312/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./312/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./312/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./312") = 0
[pid 5000] mkdir("./313", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5315 attached
<unfinished ...>
[pid 5315] chdir("./313") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 315
[pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5315] setpgid(0, 0) = 0
[pid 5315] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5315] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5315] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5315] write(3, "1000", 4) = 4
[pid 5315] close(3) = 0
[pid 5315] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5315] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5315] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5315] openat(3, "freezer.state", O_RDWR) = 4
[pid 5315] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5315] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5315] close(3) = 0
[pid 5315] close(4) = 0
[pid 5315] close(5) = -1 EBADF (Bad file descriptor)
[pid 5315] close(6) = -1 EBADF (Bad file descriptor)
[pid 5315] close(7) = -1 EBADF (Bad file descriptor)
[pid 5315] close(8) = -1 EBADF (Bad file descriptor)
[pid 5315] close(9) = -1 EBADF (Bad file descriptor)
[pid 5315] close(10) = -1 EBADF (Bad file descriptor)
[pid 5315] close(11) = -1 EBADF (Bad file descriptor)
[pid 5315] close(12) = -1 EBADF (Bad file descriptor)
[pid 5315] close(13) = -1 EBADF (Bad file descriptor)
[pid 5315] close(14) = -1 EBADF (Bad file descriptor)
[pid 5315] close(15) = -1 EBADF (Bad file descriptor)
[pid 5315] close(16) = -1 EBADF (Bad file descriptor)
[pid 5315] close(17) = -1 EBADF (Bad file descriptor)
[pid 5315] close(18) = -1 EBADF (Bad file descriptor)
[pid 5315] close(19) = -1 EBADF (Bad file descriptor)
[pid 5315] close(20) = -1 EBADF (Bad file descriptor)
[pid 5315] close(21) = -1 EBADF (Bad file descriptor)
[pid 5315] close(22) = -1 EBADF (Bad file descriptor)
[pid 5315] close(23) = -1 EBADF (Bad file descriptor)
[pid 5315] close(24) = -1 EBADF (Bad file descriptor)
[pid 5315] close(25) = -1 EBADF (Bad file descriptor)
[pid 5315] close(26) = -1 EBADF (Bad file descriptor)
[pid 5315] close(27) = -1 EBADF (Bad file descriptor)
[pid 5315] close(28) = -1 EBADF (Bad file descriptor)
[pid 5315] close(29) = -1 EBADF (Bad file descriptor)
[pid 5315] exit_group(0) = ?
[pid 5315] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./313", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./313/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./313/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./313/cgroup.cpu") = 0
[pid 5000] umount2("./313/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./313/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./313/binderfs") = 0
[pid 5000] umount2("./313/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./313/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./313/cgroup") = 0
[pid 5000] umount2("./313/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./313/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./313/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./313") = 0
[pid 5000] mkdir("./314", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 316
./strace-static-x86_64: Process 5316 attached
[pid 5316] chdir("./314") = 0
[pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5316] setpgid(0, 0) = 0
[pid 5316] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5316] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5316] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5316] write(3, "1000", 4) = 4
[pid 5316] close(3) = 0
[pid 5316] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5316] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5316] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5316] openat(3, "freezer.state", O_RDWR) = 4
[pid 5316] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5316] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5316] close(3) = 0
[pid 5316] close(4) = 0
[pid 5316] close(5) = -1 EBADF (Bad file descriptor)
[pid 5316] close(6) = -1 EBADF (Bad file descriptor)
[pid 5316] close(7) = -1 EBADF (Bad file descriptor)
[pid 5316] close(8) = -1 EBADF (Bad file descriptor)
[pid 5316] close(9) = -1 EBADF (Bad file descriptor)
[pid 5316] close(10) = -1 EBADF (Bad file descriptor)
[pid 5316] close(11) = -1 EBADF (Bad file descriptor)
[pid 5316] close(12) = -1 EBADF (Bad file descriptor)
[pid 5316] close(13) = -1 EBADF (Bad file descriptor)
[pid 5316] close(14) = -1 EBADF (Bad file descriptor)
[pid 5316] close(15) = -1 EBADF (Bad file descriptor)
[pid 5316] close(16) = -1 EBADF (Bad file descriptor)
[pid 5316] close(17) = -1 EBADF (Bad file descriptor)
[pid 5316] close(18) = -1 EBADF (Bad file descriptor)
[pid 5316] close(19) = -1 EBADF (Bad file descriptor)
[pid 5316] close(20) = -1 EBADF (Bad file descriptor)
[pid 5316] close(21) = -1 EBADF (Bad file descriptor)
[pid 5316] close(22) = -1 EBADF (Bad file descriptor)
[pid 5316] close(23) = -1 EBADF (Bad file descriptor)
[pid 5316] close(24) = -1 EBADF (Bad file descriptor)
[pid 5316] close(25) = -1 EBADF (Bad file descriptor)
[pid 5316] close(26) = -1 EBADF (Bad file descriptor)
[pid 5316] close(27) = -1 EBADF (Bad file descriptor)
[pid 5316] close(28) = -1 EBADF (Bad file descriptor)
[pid 5316] close(29) = -1 EBADF (Bad file descriptor)
[pid 5316] exit_group(0) = ?
[pid 5316] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./314", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./314/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./314/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./314/cgroup.cpu") = 0
[pid 5000] umount2("./314/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./314/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./314/binderfs") = 0
[pid 5000] umount2("./314/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./314/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./314/cgroup") = 0
[pid 5000] umount2("./314/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./314/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./314/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./314") = 0
[pid 5000] mkdir("./315", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5317 attached
<unfinished ...>
[pid 5317] chdir("./315") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 317
[pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5317] setpgid(0, 0) = 0
[pid 5317] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5317] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5317] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5317] write(3, "1000", 4) = 4
[pid 5317] close(3) = 0
[pid 5317] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5317] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5317] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5317] openat(3, "freezer.state", O_RDWR) = 4
[pid 5317] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5317] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5317] close(3) = 0
[pid 5317] close(4) = 0
[pid 5317] close(5) = -1 EBADF (Bad file descriptor)
[pid 5317] close(6) = -1 EBADF (Bad file descriptor)
[pid 5317] close(7) = -1 EBADF (Bad file descriptor)
[pid 5317] close(8) = -1 EBADF (Bad file descriptor)
[pid 5317] close(9) = -1 EBADF (Bad file descriptor)
[pid 5317] close(10) = -1 EBADF (Bad file descriptor)
[pid 5317] close(11) = -1 EBADF (Bad file descriptor)
[pid 5317] close(12) = -1 EBADF (Bad file descriptor)
[pid 5317] close(13) = -1 EBADF (Bad file descriptor)
[pid 5317] close(14) = -1 EBADF (Bad file descriptor)
[pid 5317] close(15) = -1 EBADF (Bad file descriptor)
[pid 5317] close(16) = -1 EBADF (Bad file descriptor)
[pid 5317] close(17) = -1 EBADF (Bad file descriptor)
[pid 5317] close(18) = -1 EBADF (Bad file descriptor)
[pid 5317] close(19) = -1 EBADF (Bad file descriptor)
[pid 5317] close(20) = -1 EBADF (Bad file descriptor)
[pid 5317] close(21) = -1 EBADF (Bad file descriptor)
[pid 5317] close(22) = -1 EBADF (Bad file descriptor)
[pid 5317] close(23) = -1 EBADF (Bad file descriptor)
[pid 5317] close(24) = -1 EBADF (Bad file descriptor)
[pid 5317] close(25) = -1 EBADF (Bad file descriptor)
[pid 5317] close(26) = -1 EBADF (Bad file descriptor)
[pid 5317] close(27) = -1 EBADF (Bad file descriptor)
[pid 5317] close(28) = -1 EBADF (Bad file descriptor)
[pid 5317] close(29) = -1 EBADF (Bad file descriptor)
[pid 5317] exit_group(0) = ?
[pid 5317] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./315", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./315/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./315/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./315/cgroup.cpu") = 0
[pid 5000] umount2("./315/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./315/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./315/binderfs") = 0
[pid 5000] umount2("./315/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./315/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./315/cgroup") = 0
[pid 5000] umount2("./315/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./315/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./315/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./315") = 0
[pid 5000] mkdir("./316", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 318
./strace-static-x86_64: Process 5318 attached
[pid 5318] chdir("./316") = 0
[pid 5318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5318] setpgid(0, 0) = 0
[pid 5318] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5318] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5318] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5318] write(3, "1000", 4) = 4
[pid 5318] close(3) = 0
[pid 5318] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5318] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5318] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5318] openat(3, "freezer.state", O_RDWR) = 4
[pid 5318] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5318] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5318] close(3) = 0
[pid 5318] close(4) = 0
[pid 5318] close(5) = -1 EBADF (Bad file descriptor)
[pid 5318] close(6) = -1 EBADF (Bad file descriptor)
[pid 5318] close(7) = -1 EBADF (Bad file descriptor)
[pid 5318] close(8) = -1 EBADF (Bad file descriptor)
[pid 5318] close(9) = -1 EBADF (Bad file descriptor)
[pid 5318] close(10) = -1 EBADF (Bad file descriptor)
[pid 5318] close(11) = -1 EBADF (Bad file descriptor)
[pid 5318] close(12) = -1 EBADF (Bad file descriptor)
[pid 5318] close(13) = -1 EBADF (Bad file descriptor)
[pid 5318] close(14) = -1 EBADF (Bad file descriptor)
[pid 5318] close(15) = -1 EBADF (Bad file descriptor)
[pid 5318] close(16) = -1 EBADF (Bad file descriptor)
[pid 5318] close(17) = -1 EBADF (Bad file descriptor)
[pid 5318] close(18) = -1 EBADF (Bad file descriptor)
[pid 5318] close(19) = -1 EBADF (Bad file descriptor)
[pid 5318] close(20) = -1 EBADF (Bad file descriptor)
[pid 5318] close(21) = -1 EBADF (Bad file descriptor)
[pid 5318] close(22) = -1 EBADF (Bad file descriptor)
[pid 5318] close(23) = -1 EBADF (Bad file descriptor)
[pid 5318] close(24) = -1 EBADF (Bad file descriptor)
[pid 5318] close(25) = -1 EBADF (Bad file descriptor)
[pid 5318] close(26) = -1 EBADF (Bad file descriptor)
[pid 5318] close(27) = -1 EBADF (Bad file descriptor)
[pid 5318] close(28) = -1 EBADF (Bad file descriptor)
[pid 5318] close(29) = -1 EBADF (Bad file descriptor)
[pid 5318] exit_group(0) = ?
[pid 5318] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./316", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./316/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./316/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./316/cgroup.cpu") = 0
[pid 5000] umount2("./316/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./316/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./316/binderfs") = 0
[pid 5000] umount2("./316/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./316/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./316/cgroup") = 0
[pid 5000] umount2("./316/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./316/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./316/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./316") = 0
[pid 5000] mkdir("./317", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5319 attached
<unfinished ...>
[pid 5319] chdir("./317") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 319
[pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5319] setpgid(0, 0) = 0
[pid 5319] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5319] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5319] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5319] write(3, "1000", 4) = 4
[pid 5319] close(3) = 0
[pid 5319] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5319] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5319] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5319] openat(3, "freezer.state", O_RDWR) = 4
[pid 5319] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5319] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5319] close(3) = 0
[pid 5319] close(4) = 0
[pid 5319] close(5) = -1 EBADF (Bad file descriptor)
[pid 5319] close(6) = -1 EBADF (Bad file descriptor)
[pid 5319] close(7) = -1 EBADF (Bad file descriptor)
[pid 5319] close(8) = -1 EBADF (Bad file descriptor)
[pid 5319] close(9) = -1 EBADF (Bad file descriptor)
[pid 5319] close(10) = -1 EBADF (Bad file descriptor)
[pid 5319] close(11) = -1 EBADF (Bad file descriptor)
[pid 5319] close(12) = -1 EBADF (Bad file descriptor)
[pid 5319] close(13) = -1 EBADF (Bad file descriptor)
[pid 5319] close(14) = -1 EBADF (Bad file descriptor)
[pid 5319] close(15) = -1 EBADF (Bad file descriptor)
[pid 5319] close(16) = -1 EBADF (Bad file descriptor)
[pid 5319] close(17) = -1 EBADF (Bad file descriptor)
[pid 5319] close(18) = -1 EBADF (Bad file descriptor)
[pid 5319] close(19) = -1 EBADF (Bad file descriptor)
[pid 5319] close(20) = -1 EBADF (Bad file descriptor)
[pid 5319] close(21) = -1 EBADF (Bad file descriptor)
[pid 5319] close(22) = -1 EBADF (Bad file descriptor)
[pid 5319] close(23) = -1 EBADF (Bad file descriptor)
[pid 5319] close(24) = -1 EBADF (Bad file descriptor)
[pid 5319] close(25) = -1 EBADF (Bad file descriptor)
[pid 5319] close(26) = -1 EBADF (Bad file descriptor)
[pid 5319] close(27) = -1 EBADF (Bad file descriptor)
[pid 5319] close(28) = -1 EBADF (Bad file descriptor)
[pid 5319] close(29) = -1 EBADF (Bad file descriptor)
[pid 5319] exit_group(0) = ?
[pid 5319] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./317", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./317/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./317/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./317/cgroup.cpu") = 0
[pid 5000] umount2("./317/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./317/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./317/binderfs") = 0
[pid 5000] umount2("./317/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./317/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./317/cgroup") = 0
[pid 5000] umount2("./317/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./317/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./317/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./317") = 0
[pid 5000] mkdir("./318", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5320 attached
<unfinished ...>
[pid 5320] chdir("./318") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 320
[pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5320] setpgid(0, 0) = 0
[pid 5320] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5320] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5320] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5320] write(3, "1000", 4) = 4
[pid 5320] close(3) = 0
[pid 5320] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5320] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5320] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5320] openat(3, "freezer.state", O_RDWR) = 4
[pid 5320] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5320] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5320] close(3) = 0
[pid 5320] close(4) = 0
[pid 5320] close(5) = -1 EBADF (Bad file descriptor)
[pid 5320] close(6) = -1 EBADF (Bad file descriptor)
[pid 5320] close(7) = -1 EBADF (Bad file descriptor)
[pid 5320] close(8) = -1 EBADF (Bad file descriptor)
[pid 5320] close(9) = -1 EBADF (Bad file descriptor)
[pid 5320] close(10) = -1 EBADF (Bad file descriptor)
[pid 5320] close(11) = -1 EBADF (Bad file descriptor)
[pid 5320] close(12) = -1 EBADF (Bad file descriptor)
[pid 5320] close(13) = -1 EBADF (Bad file descriptor)
[pid 5320] close(14) = -1 EBADF (Bad file descriptor)
[pid 5320] close(15) = -1 EBADF (Bad file descriptor)
[pid 5320] close(16) = -1 EBADF (Bad file descriptor)
[pid 5320] close(17) = -1 EBADF (Bad file descriptor)
[pid 5320] close(18) = -1 EBADF (Bad file descriptor)
[pid 5320] close(19) = -1 EBADF (Bad file descriptor)
[pid 5320] close(20) = -1 EBADF (Bad file descriptor)
[pid 5320] close(21) = -1 EBADF (Bad file descriptor)
[pid 5320] close(22) = -1 EBADF (Bad file descriptor)
[pid 5320] close(23) = -1 EBADF (Bad file descriptor)
[pid 5320] close(24) = -1 EBADF (Bad file descriptor)
[pid 5320] close(25) = -1 EBADF (Bad file descriptor)
[pid 5320] close(26) = -1 EBADF (Bad file descriptor)
[pid 5320] close(27) = -1 EBADF (Bad file descriptor)
[pid 5320] close(28) = -1 EBADF (Bad file descriptor)
[pid 5320] close(29) = -1 EBADF (Bad file descriptor)
[pid 5320] exit_group(0) = ?
[pid 5320] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./318", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./318/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./318/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./318/cgroup.cpu") = 0
[pid 5000] umount2("./318/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./318/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./318/binderfs") = 0
[pid 5000] umount2("./318/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./318/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./318/cgroup") = 0
[pid 5000] umount2("./318/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./318/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./318/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./318") = 0
[pid 5000] mkdir("./319", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5321 attached
<unfinished ...>
[pid 5321] chdir("./319") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 321
[pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5321] setpgid(0, 0) = 0
[pid 5321] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5321] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5321] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5321] write(3, "1000", 4) = 4
[pid 5321] close(3) = 0
[pid 5321] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5321] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5321] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5321] openat(3, "freezer.state", O_RDWR) = 4
[pid 5321] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5321] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5321] close(3) = 0
[pid 5321] close(4) = 0
[pid 5321] close(5) = -1 EBADF (Bad file descriptor)
[pid 5321] close(6) = -1 EBADF (Bad file descriptor)
[pid 5321] close(7) = -1 EBADF (Bad file descriptor)
[pid 5321] close(8) = -1 EBADF (Bad file descriptor)
[pid 5321] close(9) = -1 EBADF (Bad file descriptor)
[pid 5321] close(10) = -1 EBADF (Bad file descriptor)
[pid 5321] close(11) = -1 EBADF (Bad file descriptor)
[pid 5321] close(12) = -1 EBADF (Bad file descriptor)
[pid 5321] close(13) = -1 EBADF (Bad file descriptor)
[pid 5321] close(14) = -1 EBADF (Bad file descriptor)
[pid 5321] close(15) = -1 EBADF (Bad file descriptor)
[pid 5321] close(16) = -1 EBADF (Bad file descriptor)
[pid 5321] close(17) = -1 EBADF (Bad file descriptor)
[pid 5321] close(18) = -1 EBADF (Bad file descriptor)
[pid 5321] close(19) = -1 EBADF (Bad file descriptor)
[pid 5321] close(20) = -1 EBADF (Bad file descriptor)
[pid 5321] close(21) = -1 EBADF (Bad file descriptor)
[pid 5321] close(22) = -1 EBADF (Bad file descriptor)
[pid 5321] close(23) = -1 EBADF (Bad file descriptor)
[pid 5321] close(24) = -1 EBADF (Bad file descriptor)
[pid 5321] close(25) = -1 EBADF (Bad file descriptor)
[pid 5321] close(26) = -1 EBADF (Bad file descriptor)
[pid 5321] close(27) = -1 EBADF (Bad file descriptor)
[pid 5321] close(28) = -1 EBADF (Bad file descriptor)
[pid 5321] close(29) = -1 EBADF (Bad file descriptor)
[pid 5321] exit_group(0) = ?
[pid 5321] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./319", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./319/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./319/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./319/cgroup.cpu") = 0
[pid 5000] umount2("./319/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./319/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./319/binderfs") = 0
[pid 5000] umount2("./319/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./319/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./319/cgroup") = 0
[pid 5000] umount2("./319/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./319/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./319/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./319") = 0
[pid 5000] mkdir("./320", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5322 attached
<unfinished ...>
[pid 5322] chdir("./320") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 322
[pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5322] setpgid(0, 0) = 0
[pid 5322] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5322] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5322] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5322] write(3, "1000", 4) = 4
[pid 5322] close(3) = 0
[pid 5322] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5322] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5322] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5322] openat(3, "freezer.state", O_RDWR) = 4
[pid 5322] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5322] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5322] close(3) = 0
[pid 5322] close(4) = 0
[pid 5322] close(5) = -1 EBADF (Bad file descriptor)
[pid 5322] close(6) = -1 EBADF (Bad file descriptor)
[pid 5322] close(7) = -1 EBADF (Bad file descriptor)
[pid 5322] close(8) = -1 EBADF (Bad file descriptor)
[pid 5322] close(9) = -1 EBADF (Bad file descriptor)
[pid 5322] close(10) = -1 EBADF (Bad file descriptor)
[pid 5322] close(11) = -1 EBADF (Bad file descriptor)
[pid 5322] close(12) = -1 EBADF (Bad file descriptor)
[pid 5322] close(13) = -1 EBADF (Bad file descriptor)
[pid 5322] close(14) = -1 EBADF (Bad file descriptor)
[pid 5322] close(15) = -1 EBADF (Bad file descriptor)
[pid 5322] close(16) = -1 EBADF (Bad file descriptor)
[pid 5322] close(17) = -1 EBADF (Bad file descriptor)
[pid 5322] close(18) = -1 EBADF (Bad file descriptor)
[pid 5322] close(19) = -1 EBADF (Bad file descriptor)
[pid 5322] close(20) = -1 EBADF (Bad file descriptor)
[pid 5322] close(21) = -1 EBADF (Bad file descriptor)
[pid 5322] close(22) = -1 EBADF (Bad file descriptor)
[pid 5322] close(23) = -1 EBADF (Bad file descriptor)
[pid 5322] close(24) = -1 EBADF (Bad file descriptor)
[pid 5322] close(25) = -1 EBADF (Bad file descriptor)
[pid 5322] close(26) = -1 EBADF (Bad file descriptor)
[pid 5322] close(27) = -1 EBADF (Bad file descriptor)
[pid 5322] close(28) = -1 EBADF (Bad file descriptor)
[pid 5322] close(29) = -1 EBADF (Bad file descriptor)
[pid 5322] exit_group(0) = ?
[pid 5322] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./320", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./320", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./320/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./320/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./320/cgroup.cpu") = 0
[pid 5000] umount2("./320/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./320/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./320/binderfs") = 0
[pid 5000] umount2("./320/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./320/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./320/cgroup") = 0
[pid 5000] umount2("./320/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./320/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./320/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./320") = 0
[pid 5000] mkdir("./321", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5323 attached
<unfinished ...>
[pid 5323] chdir("./321") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 323
[pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5323] setpgid(0, 0) = 0
[pid 5323] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5323] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5323] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5323] write(3, "1000", 4) = 4
[pid 5323] close(3) = 0
[pid 5323] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5323] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5323] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5323] openat(3, "freezer.state", O_RDWR) = 4
[pid 5323] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5323] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5323] close(3) = 0
[pid 5323] close(4) = 0
[pid 5323] close(5) = -1 EBADF (Bad file descriptor)
[pid 5323] close(6) = -1 EBADF (Bad file descriptor)
[pid 5323] close(7) = -1 EBADF (Bad file descriptor)
[pid 5323] close(8) = -1 EBADF (Bad file descriptor)
[pid 5323] close(9) = -1 EBADF (Bad file descriptor)
[pid 5323] close(10) = -1 EBADF (Bad file descriptor)
[pid 5323] close(11) = -1 EBADF (Bad file descriptor)
[pid 5323] close(12) = -1 EBADF (Bad file descriptor)
[pid 5323] close(13) = -1 EBADF (Bad file descriptor)
[pid 5323] close(14) = -1 EBADF (Bad file descriptor)
[pid 5323] close(15) = -1 EBADF (Bad file descriptor)
[pid 5323] close(16) = -1 EBADF (Bad file descriptor)
[pid 5323] close(17) = -1 EBADF (Bad file descriptor)
[pid 5323] close(18) = -1 EBADF (Bad file descriptor)
[pid 5323] close(19) = -1 EBADF (Bad file descriptor)
[pid 5323] close(20) = -1 EBADF (Bad file descriptor)
[pid 5323] close(21) = -1 EBADF (Bad file descriptor)
[pid 5323] close(22) = -1 EBADF (Bad file descriptor)
[pid 5323] close(23) = -1 EBADF (Bad file descriptor)
[pid 5323] close(24) = -1 EBADF (Bad file descriptor)
[pid 5323] close(25) = -1 EBADF (Bad file descriptor)
[pid 5323] close(26) = -1 EBADF (Bad file descriptor)
[pid 5323] close(27) = -1 EBADF (Bad file descriptor)
[pid 5323] close(28) = -1 EBADF (Bad file descriptor)
[pid 5323] close(29) = -1 EBADF (Bad file descriptor)
[pid 5323] exit_group(0) = ?
[pid 5323] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./321", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./321", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./321/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./321/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./321/cgroup.cpu") = 0
[pid 5000] umount2("./321/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./321/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./321/binderfs") = 0
[pid 5000] umount2("./321/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./321/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./321/cgroup") = 0
[pid 5000] umount2("./321/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./321/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./321/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./321") = 0
[pid 5000] mkdir("./322", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 324
./strace-static-x86_64: Process 5324 attached
[pid 5324] chdir("./322") = 0
[pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5324] setpgid(0, 0) = 0
[pid 5324] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5324] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5324] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5324] write(3, "1000", 4) = 4
[pid 5324] close(3) = 0
[pid 5324] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5324] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5324] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5324] openat(3, "freezer.state", O_RDWR) = 4
[pid 5324] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5324] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5324] close(3) = 0
[pid 5324] close(4) = 0
[pid 5324] close(5) = -1 EBADF (Bad file descriptor)
[pid 5324] close(6) = -1 EBADF (Bad file descriptor)
[pid 5324] close(7) = -1 EBADF (Bad file descriptor)
[pid 5324] close(8) = -1 EBADF (Bad file descriptor)
[pid 5324] close(9) = -1 EBADF (Bad file descriptor)
[pid 5324] close(10) = -1 EBADF (Bad file descriptor)
[pid 5324] close(11) = -1 EBADF (Bad file descriptor)
[pid 5324] close(12) = -1 EBADF (Bad file descriptor)
[pid 5324] close(13) = -1 EBADF (Bad file descriptor)
[pid 5324] close(14) = -1 EBADF (Bad file descriptor)
[pid 5324] close(15) = -1 EBADF (Bad file descriptor)
[pid 5324] close(16) = -1 EBADF (Bad file descriptor)
[pid 5324] close(17) = -1 EBADF (Bad file descriptor)
[pid 5324] close(18) = -1 EBADF (Bad file descriptor)
[pid 5324] close(19) = -1 EBADF (Bad file descriptor)
[pid 5324] close(20) = -1 EBADF (Bad file descriptor)
[pid 5324] close(21) = -1 EBADF (Bad file descriptor)
[pid 5324] close(22) = -1 EBADF (Bad file descriptor)
[pid 5324] close(23) = -1 EBADF (Bad file descriptor)
[pid 5324] close(24) = -1 EBADF (Bad file descriptor)
[pid 5324] close(25) = -1 EBADF (Bad file descriptor)
[pid 5324] close(26) = -1 EBADF (Bad file descriptor)
[pid 5324] close(27) = -1 EBADF (Bad file descriptor)
[pid 5324] close(28) = -1 EBADF (Bad file descriptor)
[pid 5324] close(29) = -1 EBADF (Bad file descriptor)
[pid 5324] exit_group(0) = ?
[pid 5324] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./322", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./322", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./322/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./322/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./322/cgroup.cpu") = 0
[pid 5000] umount2("./322/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./322/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./322/binderfs") = 0
[pid 5000] umount2("./322/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./322/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./322/cgroup") = 0
[pid 5000] umount2("./322/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./322/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./322/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./322") = 0
[pid 5000] mkdir("./323", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 325
./strace-static-x86_64: Process 5325 attached
[pid 5325] chdir("./323") = 0
[pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5325] setpgid(0, 0) = 0
[pid 5325] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5325] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5325] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5325] write(3, "1000", 4) = 4
[pid 5325] close(3) = 0
[pid 5325] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5325] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5325] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5325] openat(3, "freezer.state", O_RDWR) = 4
[pid 5325] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5325] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5325] close(3) = 0
[pid 5325] close(4) = 0
[pid 5325] close(5) = -1 EBADF (Bad file descriptor)
[pid 5325] close(6) = -1 EBADF (Bad file descriptor)
[pid 5325] close(7) = -1 EBADF (Bad file descriptor)
[pid 5325] close(8) = -1 EBADF (Bad file descriptor)
[pid 5325] close(9) = -1 EBADF (Bad file descriptor)
[pid 5325] close(10) = -1 EBADF (Bad file descriptor)
[pid 5325] close(11) = -1 EBADF (Bad file descriptor)
[pid 5325] close(12) = -1 EBADF (Bad file descriptor)
[pid 5325] close(13) = -1 EBADF (Bad file descriptor)
[pid 5325] close(14) = -1 EBADF (Bad file descriptor)
[pid 5325] close(15) = -1 EBADF (Bad file descriptor)
[pid 5325] close(16) = -1 EBADF (Bad file descriptor)
[pid 5325] close(17) = -1 EBADF (Bad file descriptor)
[pid 5325] close(18) = -1 EBADF (Bad file descriptor)
[pid 5325] close(19) = -1 EBADF (Bad file descriptor)
[pid 5325] close(20) = -1 EBADF (Bad file descriptor)
[pid 5325] close(21) = -1 EBADF (Bad file descriptor)
[pid 5325] close(22) = -1 EBADF (Bad file descriptor)
[pid 5325] close(23) = -1 EBADF (Bad file descriptor)
[pid 5325] close(24) = -1 EBADF (Bad file descriptor)
[pid 5325] close(25) = -1 EBADF (Bad file descriptor)
[pid 5325] close(26) = -1 EBADF (Bad file descriptor)
[pid 5325] close(27) = -1 EBADF (Bad file descriptor)
[pid 5325] close(28) = -1 EBADF (Bad file descriptor)
[pid 5325] close(29) = -1 EBADF (Bad file descriptor)
[pid 5325] exit_group(0) = ?
[pid 5325] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./323", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./323", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./323/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./323/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./323/cgroup.cpu") = 0
[pid 5000] umount2("./323/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./323/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./323/binderfs") = 0
[pid 5000] umount2("./323/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./323/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./323/cgroup") = 0
[pid 5000] umount2("./323/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./323/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./323/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./323") = 0
[pid 5000] mkdir("./324", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5326 attached
<unfinished ...>
[pid 5326] chdir("./324") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 326
[pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5326] setpgid(0, 0) = 0
[pid 5326] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5326] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5326] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5326] write(3, "1000", 4) = 4
[pid 5326] close(3) = 0
[pid 5326] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5326] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5326] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5326] openat(3, "freezer.state", O_RDWR) = 4
[pid 5326] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5326] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5326] close(3) = 0
[pid 5326] close(4) = 0
[pid 5326] close(5) = -1 EBADF (Bad file descriptor)
[pid 5326] close(6) = -1 EBADF (Bad file descriptor)
[pid 5326] close(7) = -1 EBADF (Bad file descriptor)
[pid 5326] close(8) = -1 EBADF (Bad file descriptor)
[pid 5326] close(9) = -1 EBADF (Bad file descriptor)
[pid 5326] close(10) = -1 EBADF (Bad file descriptor)
[pid 5326] close(11) = -1 EBADF (Bad file descriptor)
[pid 5326] close(12) = -1 EBADF (Bad file descriptor)
[pid 5326] close(13) = -1 EBADF (Bad file descriptor)
[pid 5326] close(14) = -1 EBADF (Bad file descriptor)
[pid 5326] close(15) = -1 EBADF (Bad file descriptor)
[pid 5326] close(16) = -1 EBADF (Bad file descriptor)
[pid 5326] close(17) = -1 EBADF (Bad file descriptor)
[pid 5326] close(18) = -1 EBADF (Bad file descriptor)
[pid 5326] close(19) = -1 EBADF (Bad file descriptor)
[pid 5326] close(20) = -1 EBADF (Bad file descriptor)
[pid 5326] close(21) = -1 EBADF (Bad file descriptor)
[pid 5326] close(22) = -1 EBADF (Bad file descriptor)
[pid 5326] close(23) = -1 EBADF (Bad file descriptor)
[pid 5326] close(24) = -1 EBADF (Bad file descriptor)
[pid 5326] close(25) = -1 EBADF (Bad file descriptor)
[pid 5326] close(26) = -1 EBADF (Bad file descriptor)
[pid 5326] close(27) = -1 EBADF (Bad file descriptor)
[pid 5326] close(28) = -1 EBADF (Bad file descriptor)
[pid 5326] close(29) = -1 EBADF (Bad file descriptor)
[pid 5326] exit_group(0) = ?
[pid 5326] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./324", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./324", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./324/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./324/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./324/cgroup.cpu") = 0
[pid 5000] umount2("./324/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./324/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./324/binderfs") = 0
[pid 5000] umount2("./324/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./324/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./324/cgroup") = 0
[pid 5000] umount2("./324/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./324/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./324/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./324") = 0
[pid 5000] mkdir("./325", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5327 attached
<unfinished ...>
[pid 5327] chdir("./325") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 327
[pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5327] setpgid(0, 0) = 0
[pid 5327] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5327] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5327] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5327] write(3, "1000", 4) = 4
[pid 5327] close(3) = 0
[pid 5327] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5327] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5327] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5327] openat(3, "freezer.state", O_RDWR) = 4
[pid 5327] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5327] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5327] close(3) = 0
[pid 5327] close(4) = 0
[pid 5327] close(5) = -1 EBADF (Bad file descriptor)
[pid 5327] close(6) = -1 EBADF (Bad file descriptor)
[pid 5327] close(7) = -1 EBADF (Bad file descriptor)
[pid 5327] close(8) = -1 EBADF (Bad file descriptor)
[pid 5327] close(9) = -1 EBADF (Bad file descriptor)
[pid 5327] close(10) = -1 EBADF (Bad file descriptor)
[pid 5327] close(11) = -1 EBADF (Bad file descriptor)
[pid 5327] close(12) = -1 EBADF (Bad file descriptor)
[pid 5327] close(13) = -1 EBADF (Bad file descriptor)
[pid 5327] close(14) = -1 EBADF (Bad file descriptor)
[pid 5327] close(15) = -1 EBADF (Bad file descriptor)
[pid 5327] close(16) = -1 EBADF (Bad file descriptor)
[pid 5327] close(17) = -1 EBADF (Bad file descriptor)
[pid 5327] close(18) = -1 EBADF (Bad file descriptor)
[pid 5327] close(19) = -1 EBADF (Bad file descriptor)
[pid 5327] close(20) = -1 EBADF (Bad file descriptor)
[pid 5327] close(21) = -1 EBADF (Bad file descriptor)
[pid 5327] close(22) = -1 EBADF (Bad file descriptor)
[pid 5327] close(23) = -1 EBADF (Bad file descriptor)
[pid 5327] close(24) = -1 EBADF (Bad file descriptor)
[pid 5327] close(25) = -1 EBADF (Bad file descriptor)
[pid 5327] close(26) = -1 EBADF (Bad file descriptor)
[pid 5327] close(27) = -1 EBADF (Bad file descriptor)
[pid 5327] close(28) = -1 EBADF (Bad file descriptor)
[pid 5327] close(29) = -1 EBADF (Bad file descriptor)
[pid 5327] exit_group(0) = ?
[pid 5327] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./325", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./325", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./325/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./325/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./325/cgroup.cpu") = 0
[pid 5000] umount2("./325/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./325/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./325/binderfs") = 0
[pid 5000] umount2("./325/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./325/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./325/cgroup") = 0
[pid 5000] umount2("./325/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./325/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./325/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./325") = 0
[pid 5000] mkdir("./326", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5328 attached
<unfinished ...>
[pid 5328] chdir("./326") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 328
[pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5328] setpgid(0, 0) = 0
[pid 5328] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5328] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5328] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5328] write(3, "1000", 4) = 4
[pid 5328] close(3) = 0
[pid 5328] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5328] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5328] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5328] openat(3, "freezer.state", O_RDWR) = 4
[pid 5328] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5328] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5328] close(3) = 0
[pid 5328] close(4) = 0
[pid 5328] close(5) = -1 EBADF (Bad file descriptor)
[pid 5328] close(6) = -1 EBADF (Bad file descriptor)
[pid 5328] close(7) = -1 EBADF (Bad file descriptor)
[pid 5328] close(8) = -1 EBADF (Bad file descriptor)
[pid 5328] close(9) = -1 EBADF (Bad file descriptor)
[pid 5328] close(10) = -1 EBADF (Bad file descriptor)
[pid 5328] close(11) = -1 EBADF (Bad file descriptor)
[pid 5328] close(12) = -1 EBADF (Bad file descriptor)
[pid 5328] close(13) = -1 EBADF (Bad file descriptor)
[pid 5328] close(14) = -1 EBADF (Bad file descriptor)
[pid 5328] close(15) = -1 EBADF (Bad file descriptor)
[pid 5328] close(16) = -1 EBADF (Bad file descriptor)
[pid 5328] close(17) = -1 EBADF (Bad file descriptor)
[pid 5328] close(18) = -1 EBADF (Bad file descriptor)
[pid 5328] close(19) = -1 EBADF (Bad file descriptor)
[pid 5328] close(20) = -1 EBADF (Bad file descriptor)
[pid 5328] close(21) = -1 EBADF (Bad file descriptor)
[pid 5328] close(22) = -1 EBADF (Bad file descriptor)
[pid 5328] close(23) = -1 EBADF (Bad file descriptor)
[pid 5328] close(24) = -1 EBADF (Bad file descriptor)
[pid 5328] close(25) = -1 EBADF (Bad file descriptor)
[pid 5328] close(26) = -1 EBADF (Bad file descriptor)
[pid 5328] close(27) = -1 EBADF (Bad file descriptor)
[pid 5328] close(28) = -1 EBADF (Bad file descriptor)
[pid 5328] close(29) = -1 EBADF (Bad file descriptor)
[pid 5328] exit_group(0) = ?
[pid 5328] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./326", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./326/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./326/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./326/cgroup.cpu") = 0
[pid 5000] umount2("./326/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./326/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./326/binderfs") = 0
[pid 5000] umount2("./326/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./326/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./326/cgroup") = 0
[pid 5000] umount2("./326/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./326/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./326/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./326") = 0
[pid 5000] mkdir("./327", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5329 attached
<unfinished ...>
[pid 5329] chdir("./327") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 329
[pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5329] setpgid(0, 0) = 0
[pid 5329] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5329] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5329] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5329] write(3, "1000", 4) = 4
[pid 5329] close(3) = 0
[pid 5329] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5329] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5329] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5329] openat(3, "freezer.state", O_RDWR) = 4
[pid 5329] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5329] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5329] close(3) = 0
[pid 5329] close(4) = 0
[pid 5329] close(5) = -1 EBADF (Bad file descriptor)
[pid 5329] close(6) = -1 EBADF (Bad file descriptor)
[pid 5329] close(7) = -1 EBADF (Bad file descriptor)
[pid 5329] close(8) = -1 EBADF (Bad file descriptor)
[pid 5329] close(9) = -1 EBADF (Bad file descriptor)
[pid 5329] close(10) = -1 EBADF (Bad file descriptor)
[pid 5329] close(11) = -1 EBADF (Bad file descriptor)
[pid 5329] close(12) = -1 EBADF (Bad file descriptor)
[pid 5329] close(13) = -1 EBADF (Bad file descriptor)
[pid 5329] close(14) = -1 EBADF (Bad file descriptor)
[pid 5329] close(15) = -1 EBADF (Bad file descriptor)
[pid 5329] close(16) = -1 EBADF (Bad file descriptor)
[pid 5329] close(17) = -1 EBADF (Bad file descriptor)
[pid 5329] close(18) = -1 EBADF (Bad file descriptor)
[pid 5329] close(19) = -1 EBADF (Bad file descriptor)
[pid 5329] close(20) = -1 EBADF (Bad file descriptor)
[pid 5329] close(21) = -1 EBADF (Bad file descriptor)
[pid 5329] close(22) = -1 EBADF (Bad file descriptor)
[pid 5329] close(23) = -1 EBADF (Bad file descriptor)
[pid 5329] close(24) = -1 EBADF (Bad file descriptor)
[pid 5329] close(25) = -1 EBADF (Bad file descriptor)
[pid 5329] close(26) = -1 EBADF (Bad file descriptor)
[pid 5329] close(27) = -1 EBADF (Bad file descriptor)
[pid 5329] close(28) = -1 EBADF (Bad file descriptor)
[pid 5329] close(29) = -1 EBADF (Bad file descriptor)
[pid 5329] exit_group(0) = ?
[pid 5329] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./327", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./327", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./327/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./327/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./327/cgroup.cpu") = 0
[pid 5000] umount2("./327/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./327/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./327/binderfs") = 0
[pid 5000] umount2("./327/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./327/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./327/cgroup") = 0
[pid 5000] umount2("./327/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./327/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./327/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./327") = 0
[pid 5000] mkdir("./328", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5330 attached
<unfinished ...>
[pid 5330] chdir("./328") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 330
[pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5330] setpgid(0, 0) = 0
[pid 5330] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5330] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5330] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5330] write(3, "1000", 4) = 4
[pid 5330] close(3) = 0
[pid 5330] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5330] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5330] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5330] openat(3, "freezer.state", O_RDWR) = 4
[pid 5330] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5330] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5330] close(3) = 0
[pid 5330] close(4) = 0
[pid 5330] close(5) = -1 EBADF (Bad file descriptor)
[pid 5330] close(6) = -1 EBADF (Bad file descriptor)
[pid 5330] close(7) = -1 EBADF (Bad file descriptor)
[pid 5330] close(8) = -1 EBADF (Bad file descriptor)
[pid 5330] close(9) = -1 EBADF (Bad file descriptor)
[pid 5330] close(10) = -1 EBADF (Bad file descriptor)
[pid 5330] close(11) = -1 EBADF (Bad file descriptor)
[pid 5330] close(12) = -1 EBADF (Bad file descriptor)
[pid 5330] close(13) = -1 EBADF (Bad file descriptor)
[pid 5330] close(14) = -1 EBADF (Bad file descriptor)
[pid 5330] close(15) = -1 EBADF (Bad file descriptor)
[pid 5330] close(16) = -1 EBADF (Bad file descriptor)
[pid 5330] close(17) = -1 EBADF (Bad file descriptor)
[pid 5330] close(18) = -1 EBADF (Bad file descriptor)
[pid 5330] close(19) = -1 EBADF (Bad file descriptor)
[pid 5330] close(20) = -1 EBADF (Bad file descriptor)
[pid 5330] close(21) = -1 EBADF (Bad file descriptor)
[pid 5330] close(22) = -1 EBADF (Bad file descriptor)
[pid 5330] close(23) = -1 EBADF (Bad file descriptor)
[pid 5330] close(24) = -1 EBADF (Bad file descriptor)
[pid 5330] close(25) = -1 EBADF (Bad file descriptor)
[pid 5330] close(26) = -1 EBADF (Bad file descriptor)
[pid 5330] close(27) = -1 EBADF (Bad file descriptor)
[pid 5330] close(28) = -1 EBADF (Bad file descriptor)
[pid 5330] close(29) = -1 EBADF (Bad file descriptor)
[pid 5330] exit_group(0) = ?
[pid 5330] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./328", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./328/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./328/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./328/cgroup.cpu") = 0
[pid 5000] umount2("./328/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./328/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./328/binderfs") = 0
[pid 5000] umount2("./328/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./328/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./328/cgroup") = 0
[pid 5000] umount2("./328/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./328/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./328/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./328") = 0
[pid 5000] mkdir("./329", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5331 attached
<unfinished ...>
[pid 5331] chdir("./329") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 331
[pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5331] setpgid(0, 0) = 0
[pid 5331] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5331] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5331] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5331] write(3, "1000", 4) = 4
[pid 5331] close(3) = 0
[pid 5331] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5331] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5331] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5331] openat(3, "freezer.state", O_RDWR) = 4
[pid 5331] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5331] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5331] close(3) = 0
[pid 5331] close(4) = 0
[pid 5331] close(5) = -1 EBADF (Bad file descriptor)
[pid 5331] close(6) = -1 EBADF (Bad file descriptor)
[pid 5331] close(7) = -1 EBADF (Bad file descriptor)
[pid 5331] close(8) = -1 EBADF (Bad file descriptor)
[pid 5331] close(9) = -1 EBADF (Bad file descriptor)
[pid 5331] close(10) = -1 EBADF (Bad file descriptor)
[pid 5331] close(11) = -1 EBADF (Bad file descriptor)
[pid 5331] close(12) = -1 EBADF (Bad file descriptor)
[pid 5331] close(13) = -1 EBADF (Bad file descriptor)
[pid 5331] close(14) = -1 EBADF (Bad file descriptor)
[pid 5331] close(15) = -1 EBADF (Bad file descriptor)
[pid 5331] close(16) = -1 EBADF (Bad file descriptor)
[pid 5331] close(17) = -1 EBADF (Bad file descriptor)
[pid 5331] close(18) = -1 EBADF (Bad file descriptor)
[pid 5331] close(19) = -1 EBADF (Bad file descriptor)
[pid 5331] close(20) = -1 EBADF (Bad file descriptor)
[pid 5331] close(21) = -1 EBADF (Bad file descriptor)
[pid 5331] close(22) = -1 EBADF (Bad file descriptor)
[pid 5331] close(23) = -1 EBADF (Bad file descriptor)
[pid 5331] close(24) = -1 EBADF (Bad file descriptor)
[pid 5331] close(25) = -1 EBADF (Bad file descriptor)
[pid 5331] close(26) = -1 EBADF (Bad file descriptor)
[pid 5331] close(27) = -1 EBADF (Bad file descriptor)
[pid 5331] close(28) = -1 EBADF (Bad file descriptor)
[pid 5331] close(29) = -1 EBADF (Bad file descriptor)
[pid 5331] exit_group(0) = ?
[pid 5331] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./329", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./329/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./329/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./329/cgroup.cpu") = 0
[pid 5000] umount2("./329/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./329/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./329/binderfs") = 0
[pid 5000] umount2("./329/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./329/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./329/cgroup") = 0
[pid 5000] umount2("./329/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./329/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./329/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./329") = 0
[pid 5000] mkdir("./330", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5332 attached
<unfinished ...>
[pid 5332] chdir("./330") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 332
[pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5332] setpgid(0, 0) = 0
[pid 5332] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5332] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5332] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5332] write(3, "1000", 4) = 4
[pid 5332] close(3) = 0
[pid 5332] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5332] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5332] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5332] openat(3, "freezer.state", O_RDWR) = 4
[pid 5332] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5332] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5332] close(3) = 0
[pid 5332] close(4) = 0
[pid 5332] close(5) = -1 EBADF (Bad file descriptor)
[pid 5332] close(6) = -1 EBADF (Bad file descriptor)
[pid 5332] close(7) = -1 EBADF (Bad file descriptor)
[pid 5332] close(8) = -1 EBADF (Bad file descriptor)
[pid 5332] close(9) = -1 EBADF (Bad file descriptor)
[pid 5332] close(10) = -1 EBADF (Bad file descriptor)
[pid 5332] close(11) = -1 EBADF (Bad file descriptor)
[pid 5332] close(12) = -1 EBADF (Bad file descriptor)
[pid 5332] close(13) = -1 EBADF (Bad file descriptor)
[pid 5332] close(14) = -1 EBADF (Bad file descriptor)
[pid 5332] close(15) = -1 EBADF (Bad file descriptor)
[pid 5332] close(16) = -1 EBADF (Bad file descriptor)
[pid 5332] close(17) = -1 EBADF (Bad file descriptor)
[pid 5332] close(18) = -1 EBADF (Bad file descriptor)
[pid 5332] close(19) = -1 EBADF (Bad file descriptor)
[pid 5332] close(20) = -1 EBADF (Bad file descriptor)
[pid 5332] close(21) = -1 EBADF (Bad file descriptor)
[pid 5332] close(22) = -1 EBADF (Bad file descriptor)
[pid 5332] close(23) = -1 EBADF (Bad file descriptor)
[pid 5332] close(24) = -1 EBADF (Bad file descriptor)
[pid 5332] close(25) = -1 EBADF (Bad file descriptor)
[pid 5332] close(26) = -1 EBADF (Bad file descriptor)
[pid 5332] close(27) = -1 EBADF (Bad file descriptor)
[pid 5332] close(28) = -1 EBADF (Bad file descriptor)
[pid 5332] close(29) = -1 EBADF (Bad file descriptor)
[pid 5332] exit_group(0) = ?
[pid 5332] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./330", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./330/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./330/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./330/cgroup.cpu") = 0
[pid 5000] umount2("./330/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./330/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./330/binderfs") = 0
[pid 5000] umount2("./330/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./330/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./330/cgroup") = 0
[pid 5000] umount2("./330/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./330/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./330/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./330") = 0
[pid 5000] mkdir("./331", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5333 attached
<unfinished ...>
[pid 5333] chdir("./331") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 333
[pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5333] setpgid(0, 0) = 0
[pid 5333] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5333] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5333] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5333] write(3, "1000", 4) = 4
[pid 5333] close(3) = 0
[pid 5333] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5333] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5333] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5333] openat(3, "freezer.state", O_RDWR) = 4
[pid 5333] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5333] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5333] close(3) = 0
[pid 5333] close(4) = 0
[pid 5333] close(5) = -1 EBADF (Bad file descriptor)
[pid 5333] close(6) = -1 EBADF (Bad file descriptor)
[pid 5333] close(7) = -1 EBADF (Bad file descriptor)
[pid 5333] close(8) = -1 EBADF (Bad file descriptor)
[pid 5333] close(9) = -1 EBADF (Bad file descriptor)
[pid 5333] close(10) = -1 EBADF (Bad file descriptor)
[pid 5333] close(11) = -1 EBADF (Bad file descriptor)
[pid 5333] close(12) = -1 EBADF (Bad file descriptor)
[pid 5333] close(13) = -1 EBADF (Bad file descriptor)
[pid 5333] close(14) = -1 EBADF (Bad file descriptor)
[pid 5333] close(15) = -1 EBADF (Bad file descriptor)
[pid 5333] close(16) = -1 EBADF (Bad file descriptor)
[pid 5333] close(17) = -1 EBADF (Bad file descriptor)
[pid 5333] close(18) = -1 EBADF (Bad file descriptor)
[pid 5333] close(19) = -1 EBADF (Bad file descriptor)
[pid 5333] close(20) = -1 EBADF (Bad file descriptor)
[pid 5333] close(21) = -1 EBADF (Bad file descriptor)
[pid 5333] close(22) = -1 EBADF (Bad file descriptor)
[pid 5333] close(23) = -1 EBADF (Bad file descriptor)
[pid 5333] close(24) = -1 EBADF (Bad file descriptor)
[pid 5333] close(25) = -1 EBADF (Bad file descriptor)
[pid 5333] close(26) = -1 EBADF (Bad file descriptor)
[pid 5333] close(27) = -1 EBADF (Bad file descriptor)
[pid 5333] close(28) = -1 EBADF (Bad file descriptor)
[pid 5333] close(29) = -1 EBADF (Bad file descriptor)
[pid 5333] exit_group(0) = ?
[pid 5333] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./331", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./331/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./331/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./331/cgroup.cpu") = 0
[pid 5000] umount2("./331/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./331/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./331/binderfs") = 0
[pid 5000] umount2("./331/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./331/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./331/cgroup") = 0
[pid 5000] umount2("./331/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./331/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./331/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./331") = 0
[pid 5000] mkdir("./332", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5334 attached
<unfinished ...>
[pid 5334] chdir("./332") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 334
[pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5334] setpgid(0, 0) = 0
[pid 5334] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5334] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5334] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5334] write(3, "1000", 4) = 4
[pid 5334] close(3) = 0
[pid 5334] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5334] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5334] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5334] openat(3, "freezer.state", O_RDWR) = 4
[pid 5334] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5334] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5334] close(3) = 0
[pid 5334] close(4) = 0
[pid 5334] close(5) = -1 EBADF (Bad file descriptor)
[pid 5334] close(6) = -1 EBADF (Bad file descriptor)
[pid 5334] close(7) = -1 EBADF (Bad file descriptor)
[pid 5334] close(8) = -1 EBADF (Bad file descriptor)
[pid 5334] close(9) = -1 EBADF (Bad file descriptor)
[pid 5334] close(10) = -1 EBADF (Bad file descriptor)
[pid 5334] close(11) = -1 EBADF (Bad file descriptor)
[pid 5334] close(12) = -1 EBADF (Bad file descriptor)
[pid 5334] close(13) = -1 EBADF (Bad file descriptor)
[pid 5334] close(14) = -1 EBADF (Bad file descriptor)
[pid 5334] close(15) = -1 EBADF (Bad file descriptor)
[pid 5334] close(16) = -1 EBADF (Bad file descriptor)
[pid 5334] close(17) = -1 EBADF (Bad file descriptor)
[pid 5334] close(18) = -1 EBADF (Bad file descriptor)
[pid 5334] close(19) = -1 EBADF (Bad file descriptor)
[pid 5334] close(20) = -1 EBADF (Bad file descriptor)
[pid 5334] close(21) = -1 EBADF (Bad file descriptor)
[pid 5334] close(22) = -1 EBADF (Bad file descriptor)
[pid 5334] close(23) = -1 EBADF (Bad file descriptor)
[pid 5334] close(24) = -1 EBADF (Bad file descriptor)
[pid 5334] close(25) = -1 EBADF (Bad file descriptor)
[pid 5334] close(26) = -1 EBADF (Bad file descriptor)
[pid 5334] close(27) = -1 EBADF (Bad file descriptor)
[pid 5334] close(28) = -1 EBADF (Bad file descriptor)
[pid 5334] close(29) = -1 EBADF (Bad file descriptor)
[pid 5334] exit_group(0) = ?
[pid 5334] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./332", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./332/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./332/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./332/cgroup.cpu") = 0
[pid 5000] umount2("./332/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./332/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./332/binderfs") = 0
[pid 5000] umount2("./332/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./332/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./332/cgroup") = 0
[pid 5000] umount2("./332/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./332/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./332/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./332") = 0
[pid 5000] mkdir("./333", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5335 attached
<unfinished ...>
[pid 5335] chdir("./333") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 335
[pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5335] setpgid(0, 0) = 0
[pid 5335] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5335] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5335] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5335] write(3, "1000", 4) = 4
[pid 5335] close(3) = 0
[pid 5335] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5335] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5335] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5335] openat(3, "freezer.state", O_RDWR) = 4
[pid 5335] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5335] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5335] close(3) = 0
[pid 5335] close(4) = 0
[pid 5335] close(5) = -1 EBADF (Bad file descriptor)
[pid 5335] close(6) = -1 EBADF (Bad file descriptor)
[pid 5335] close(7) = -1 EBADF (Bad file descriptor)
[pid 5335] close(8) = -1 EBADF (Bad file descriptor)
[pid 5335] close(9) = -1 EBADF (Bad file descriptor)
[pid 5335] close(10) = -1 EBADF (Bad file descriptor)
[pid 5335] close(11) = -1 EBADF (Bad file descriptor)
[pid 5335] close(12) = -1 EBADF (Bad file descriptor)
[pid 5335] close(13) = -1 EBADF (Bad file descriptor)
[pid 5335] close(14) = -1 EBADF (Bad file descriptor)
[pid 5335] close(15) = -1 EBADF (Bad file descriptor)
[pid 5335] close(16) = -1 EBADF (Bad file descriptor)
[pid 5335] close(17) = -1 EBADF (Bad file descriptor)
[pid 5335] close(18) = -1 EBADF (Bad file descriptor)
[pid 5335] close(19) = -1 EBADF (Bad file descriptor)
[pid 5335] close(20) = -1 EBADF (Bad file descriptor)
[pid 5335] close(21) = -1 EBADF (Bad file descriptor)
[pid 5335] close(22) = -1 EBADF (Bad file descriptor)
[pid 5335] close(23) = -1 EBADF (Bad file descriptor)
[pid 5335] close(24) = -1 EBADF (Bad file descriptor)
[pid 5335] close(25) = -1 EBADF (Bad file descriptor)
[pid 5335] close(26) = -1 EBADF (Bad file descriptor)
[pid 5335] close(27) = -1 EBADF (Bad file descriptor)
[pid 5335] close(28) = -1 EBADF (Bad file descriptor)
[pid 5335] close(29) = -1 EBADF (Bad file descriptor)
[pid 5335] exit_group(0) = ?
[pid 5335] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./333", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./333/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./333/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./333/cgroup.cpu") = 0
[pid 5000] umount2("./333/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./333/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./333/binderfs") = 0
[pid 5000] umount2("./333/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./333/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./333/cgroup") = 0
[pid 5000] umount2("./333/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./333/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./333/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./333") = 0
[pid 5000] mkdir("./334", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5336 attached
<unfinished ...>
[pid 5336] chdir("./334") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 336
[pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5336] setpgid(0, 0) = 0
[pid 5336] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5336] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5336] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5336] write(3, "1000", 4) = 4
[pid 5336] close(3) = 0
[pid 5336] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5336] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5336] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5336] openat(3, "freezer.state", O_RDWR) = 4
[pid 5336] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5336] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5336] close(3) = 0
[pid 5336] close(4) = 0
[pid 5336] close(5) = -1 EBADF (Bad file descriptor)
[pid 5336] close(6) = -1 EBADF (Bad file descriptor)
[pid 5336] close(7) = -1 EBADF (Bad file descriptor)
[pid 5336] close(8) = -1 EBADF (Bad file descriptor)
[pid 5336] close(9) = -1 EBADF (Bad file descriptor)
[pid 5336] close(10) = -1 EBADF (Bad file descriptor)
[pid 5336] close(11) = -1 EBADF (Bad file descriptor)
[pid 5336] close(12) = -1 EBADF (Bad file descriptor)
[pid 5336] close(13) = -1 EBADF (Bad file descriptor)
[pid 5336] close(14) = -1 EBADF (Bad file descriptor)
[pid 5336] close(15) = -1 EBADF (Bad file descriptor)
[pid 5336] close(16) = -1 EBADF (Bad file descriptor)
[pid 5336] close(17) = -1 EBADF (Bad file descriptor)
[pid 5336] close(18) = -1 EBADF (Bad file descriptor)
[pid 5336] close(19) = -1 EBADF (Bad file descriptor)
[pid 5336] close(20) = -1 EBADF (Bad file descriptor)
[pid 5336] close(21) = -1 EBADF (Bad file descriptor)
[pid 5336] close(22) = -1 EBADF (Bad file descriptor)
[pid 5336] close(23) = -1 EBADF (Bad file descriptor)
[pid 5336] close(24) = -1 EBADF (Bad file descriptor)
[pid 5336] close(25) = -1 EBADF (Bad file descriptor)
[pid 5336] close(26) = -1 EBADF (Bad file descriptor)
[pid 5336] close(27) = -1 EBADF (Bad file descriptor)
[pid 5336] close(28) = -1 EBADF (Bad file descriptor)
[pid 5336] close(29) = -1 EBADF (Bad file descriptor)
[pid 5336] exit_group(0) = ?
[pid 5336] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./334", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./334/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./334/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./334/cgroup.cpu") = 0
[pid 5000] umount2("./334/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./334/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./334/binderfs") = 0
[pid 5000] umount2("./334/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./334/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./334/cgroup") = 0
[pid 5000] umount2("./334/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./334/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./334/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./334") = 0
[pid 5000] mkdir("./335", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5337 attached
<unfinished ...>
[pid 5337] chdir("./335") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 337
[pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5337] setpgid(0, 0) = 0
[pid 5337] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5337] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5337] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5337] write(3, "1000", 4) = 4
[pid 5337] close(3) = 0
[pid 5337] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5337] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5337] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5337] openat(3, "freezer.state", O_RDWR) = 4
[pid 5337] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5337] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5337] close(3) = 0
[pid 5337] close(4) = 0
[pid 5337] close(5) = -1 EBADF (Bad file descriptor)
[pid 5337] close(6) = -1 EBADF (Bad file descriptor)
[pid 5337] close(7) = -1 EBADF (Bad file descriptor)
[pid 5337] close(8) = -1 EBADF (Bad file descriptor)
[pid 5337] close(9) = -1 EBADF (Bad file descriptor)
[pid 5337] close(10) = -1 EBADF (Bad file descriptor)
[pid 5337] close(11) = -1 EBADF (Bad file descriptor)
[pid 5337] close(12) = -1 EBADF (Bad file descriptor)
[pid 5337] close(13) = -1 EBADF (Bad file descriptor)
[pid 5337] close(14) = -1 EBADF (Bad file descriptor)
[pid 5337] close(15) = -1 EBADF (Bad file descriptor)
[pid 5337] close(16) = -1 EBADF (Bad file descriptor)
[pid 5337] close(17) = -1 EBADF (Bad file descriptor)
[pid 5337] close(18) = -1 EBADF (Bad file descriptor)
[pid 5337] close(19) = -1 EBADF (Bad file descriptor)
[pid 5337] close(20) = -1 EBADF (Bad file descriptor)
[pid 5337] close(21) = -1 EBADF (Bad file descriptor)
[pid 5337] close(22) = -1 EBADF (Bad file descriptor)
[pid 5337] close(23) = -1 EBADF (Bad file descriptor)
[pid 5337] close(24) = -1 EBADF (Bad file descriptor)
[pid 5337] close(25) = -1 EBADF (Bad file descriptor)
[pid 5337] close(26) = -1 EBADF (Bad file descriptor)
[pid 5337] close(27) = -1 EBADF (Bad file descriptor)
[pid 5337] close(28) = -1 EBADF (Bad file descriptor)
[pid 5337] close(29) = -1 EBADF (Bad file descriptor)
[pid 5337] exit_group(0) = ?
[pid 5337] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./335", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./335/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./335/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./335/cgroup.cpu") = 0
[pid 5000] umount2("./335/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./335/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./335/binderfs") = 0
[pid 5000] umount2("./335/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./335/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./335/cgroup") = 0
[pid 5000] umount2("./335/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./335/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./335/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./335") = 0
[pid 5000] mkdir("./336", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5338 attached
<unfinished ...>
[pid 5338] chdir("./336" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 338
[pid 5338] <... chdir resumed>) = 0
[pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5338] setpgid(0, 0) = 0
[pid 5338] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5338] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5338] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5338] write(3, "1000", 4) = 4
[pid 5338] close(3) = 0
[pid 5338] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5338] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5338] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5338] openat(3, "freezer.state", O_RDWR) = 4
[pid 5338] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5338] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5338] close(3) = 0
[pid 5338] close(4) = 0
[pid 5338] close(5) = -1 EBADF (Bad file descriptor)
[pid 5338] close(6) = -1 EBADF (Bad file descriptor)
[pid 5338] close(7) = -1 EBADF (Bad file descriptor)
[pid 5338] close(8) = -1 EBADF (Bad file descriptor)
[pid 5338] close(9) = -1 EBADF (Bad file descriptor)
[pid 5338] close(10) = -1 EBADF (Bad file descriptor)
[pid 5338] close(11) = -1 EBADF (Bad file descriptor)
[pid 5338] close(12) = -1 EBADF (Bad file descriptor)
[pid 5338] close(13) = -1 EBADF (Bad file descriptor)
[pid 5338] close(14) = -1 EBADF (Bad file descriptor)
[pid 5338] close(15) = -1 EBADF (Bad file descriptor)
[pid 5338] close(16) = -1 EBADF (Bad file descriptor)
[pid 5338] close(17) = -1 EBADF (Bad file descriptor)
[pid 5338] close(18) = -1 EBADF (Bad file descriptor)
[pid 5338] close(19) = -1 EBADF (Bad file descriptor)
[pid 5338] close(20) = -1 EBADF (Bad file descriptor)
[pid 5338] close(21) = -1 EBADF (Bad file descriptor)
[pid 5338] close(22) = -1 EBADF (Bad file descriptor)
[pid 5338] close(23) = -1 EBADF (Bad file descriptor)
[pid 5338] close(24) = -1 EBADF (Bad file descriptor)
[pid 5338] close(25) = -1 EBADF (Bad file descriptor)
[pid 5338] close(26) = -1 EBADF (Bad file descriptor)
[pid 5338] close(27) = -1 EBADF (Bad file descriptor)
[pid 5338] close(28) = -1 EBADF (Bad file descriptor)
[pid 5338] close(29) = -1 EBADF (Bad file descriptor)
[pid 5338] exit_group(0) = ?
[pid 5338] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./336", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./336/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./336/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./336/cgroup.cpu") = 0
[pid 5000] umount2("./336/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./336/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./336/binderfs") = 0
[pid 5000] umount2("./336/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./336/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./336/cgroup") = 0
[pid 5000] umount2("./336/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./336/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./336/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./336") = 0
[pid 5000] mkdir("./337", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5339 attached
<unfinished ...>
[pid 5339] chdir("./337") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 339
[pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5339] setpgid(0, 0) = 0
[pid 5339] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5339] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5339] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5339] write(3, "1000", 4) = 4
[pid 5339] close(3) = 0
[pid 5339] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5339] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5339] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5339] openat(3, "freezer.state", O_RDWR) = 4
[pid 5339] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5339] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5339] close(3) = 0
[pid 5339] close(4) = 0
[pid 5339] close(5) = -1 EBADF (Bad file descriptor)
[pid 5339] close(6) = -1 EBADF (Bad file descriptor)
[pid 5339] close(7) = -1 EBADF (Bad file descriptor)
[pid 5339] close(8) = -1 EBADF (Bad file descriptor)
[pid 5339] close(9) = -1 EBADF (Bad file descriptor)
[pid 5339] close(10) = -1 EBADF (Bad file descriptor)
[pid 5339] close(11) = -1 EBADF (Bad file descriptor)
[pid 5339] close(12) = -1 EBADF (Bad file descriptor)
[pid 5339] close(13) = -1 EBADF (Bad file descriptor)
[pid 5339] close(14) = -1 EBADF (Bad file descriptor)
[pid 5339] close(15) = -1 EBADF (Bad file descriptor)
[pid 5339] close(16) = -1 EBADF (Bad file descriptor)
[pid 5339] close(17) = -1 EBADF (Bad file descriptor)
[pid 5339] close(18) = -1 EBADF (Bad file descriptor)
[pid 5339] close(19) = -1 EBADF (Bad file descriptor)
[pid 5339] close(20) = -1 EBADF (Bad file descriptor)
[pid 5339] close(21) = -1 EBADF (Bad file descriptor)
[pid 5339] close(22) = -1 EBADF (Bad file descriptor)
[pid 5339] close(23) = -1 EBADF (Bad file descriptor)
[pid 5339] close(24) = -1 EBADF (Bad file descriptor)
[pid 5339] close(25) = -1 EBADF (Bad file descriptor)
[pid 5339] close(26) = -1 EBADF (Bad file descriptor)
[pid 5339] close(27) = -1 EBADF (Bad file descriptor)
[pid 5339] close(28) = -1 EBADF (Bad file descriptor)
[pid 5339] close(29) = -1 EBADF (Bad file descriptor)
[pid 5339] exit_group(0) = ?
[pid 5339] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./337", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./337/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./337/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./337/cgroup.cpu") = 0
[pid 5000] umount2("./337/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./337/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./337/binderfs") = 0
[pid 5000] umount2("./337/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./337/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./337/cgroup") = 0
[pid 5000] umount2("./337/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./337/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./337/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./337") = 0
[pid 5000] mkdir("./338", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5340 attached
<unfinished ...>
[pid 5340] chdir("./338") = 0
[pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 340
[pid 5340] setpgid(0, 0) = 0
[pid 5340] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5340] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5340] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5340] write(3, "1000", 4) = 4
[pid 5340] close(3) = 0
[pid 5340] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5340] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5340] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5340] openat(3, "freezer.state", O_RDWR) = 4
[pid 5340] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5340] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5340] close(3) = 0
[pid 5340] close(4) = 0
[pid 5340] close(5) = -1 EBADF (Bad file descriptor)
[pid 5340] close(6) = -1 EBADF (Bad file descriptor)
[pid 5340] close(7) = -1 EBADF (Bad file descriptor)
[pid 5340] close(8) = -1 EBADF (Bad file descriptor)
[pid 5340] close(9) = -1 EBADF (Bad file descriptor)
[pid 5340] close(10) = -1 EBADF (Bad file descriptor)
[pid 5340] close(11) = -1 EBADF (Bad file descriptor)
[pid 5340] close(12) = -1 EBADF (Bad file descriptor)
[pid 5340] close(13) = -1 EBADF (Bad file descriptor)
[pid 5340] close(14) = -1 EBADF (Bad file descriptor)
[pid 5340] close(15) = -1 EBADF (Bad file descriptor)
[pid 5340] close(16) = -1 EBADF (Bad file descriptor)
[pid 5340] close(17) = -1 EBADF (Bad file descriptor)
[pid 5340] close(18) = -1 EBADF (Bad file descriptor)
[pid 5340] close(19) = -1 EBADF (Bad file descriptor)
[pid 5340] close(20) = -1 EBADF (Bad file descriptor)
[pid 5340] close(21) = -1 EBADF (Bad file descriptor)
[pid 5340] close(22) = -1 EBADF (Bad file descriptor)
[pid 5340] close(23) = -1 EBADF (Bad file descriptor)
[pid 5340] close(24) = -1 EBADF (Bad file descriptor)
[pid 5340] close(25) = -1 EBADF (Bad file descriptor)
[pid 5340] close(26) = -1 EBADF (Bad file descriptor)
[pid 5340] close(27) = -1 EBADF (Bad file descriptor)
[pid 5340] close(28) = -1 EBADF (Bad file descriptor)
[pid 5340] close(29) = -1 EBADF (Bad file descriptor)
[pid 5340] exit_group(0) = ?
[pid 5340] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./338", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./338/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./338/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./338/cgroup.cpu") = 0
[pid 5000] umount2("./338/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./338/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./338/binderfs") = 0
[pid 5000] umount2("./338/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./338/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./338/cgroup") = 0
[pid 5000] umount2("./338/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./338/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./338/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./338") = 0
[pid 5000] mkdir("./339", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5341 attached
<unfinished ...>
[pid 5341] chdir("./339") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 341
[pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5341] setpgid(0, 0) = 0
[pid 5341] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5341] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5341] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5341] write(3, "1000", 4) = 4
[pid 5341] close(3) = 0
[pid 5341] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5341] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5341] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5341] openat(3, "freezer.state", O_RDWR) = 4
[pid 5341] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5341] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5341] close(3) = 0
[pid 5341] close(4) = 0
[pid 5341] close(5) = -1 EBADF (Bad file descriptor)
[pid 5341] close(6) = -1 EBADF (Bad file descriptor)
[pid 5341] close(7) = -1 EBADF (Bad file descriptor)
[pid 5341] close(8) = -1 EBADF (Bad file descriptor)
[pid 5341] close(9) = -1 EBADF (Bad file descriptor)
[pid 5341] close(10) = -1 EBADF (Bad file descriptor)
[pid 5341] close(11) = -1 EBADF (Bad file descriptor)
[pid 5341] close(12) = -1 EBADF (Bad file descriptor)
[pid 5341] close(13) = -1 EBADF (Bad file descriptor)
[pid 5341] close(14) = -1 EBADF (Bad file descriptor)
[pid 5341] close(15) = -1 EBADF (Bad file descriptor)
[pid 5341] close(16) = -1 EBADF (Bad file descriptor)
[pid 5341] close(17) = -1 EBADF (Bad file descriptor)
[pid 5341] close(18) = -1 EBADF (Bad file descriptor)
[pid 5341] close(19) = -1 EBADF (Bad file descriptor)
[pid 5341] close(20) = -1 EBADF (Bad file descriptor)
[pid 5341] close(21) = -1 EBADF (Bad file descriptor)
[pid 5341] close(22) = -1 EBADF (Bad file descriptor)
[pid 5341] close(23) = -1 EBADF (Bad file descriptor)
[pid 5341] close(24) = -1 EBADF (Bad file descriptor)
[pid 5341] close(25) = -1 EBADF (Bad file descriptor)
[pid 5341] close(26) = -1 EBADF (Bad file descriptor)
[pid 5341] close(27) = -1 EBADF (Bad file descriptor)
[pid 5341] close(28) = -1 EBADF (Bad file descriptor)
[pid 5341] close(29) = -1 EBADF (Bad file descriptor)
[pid 5341] exit_group(0) = ?
[pid 5341] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./339", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./339/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./339/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./339/cgroup.cpu") = 0
[pid 5000] umount2("./339/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./339/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./339/binderfs") = 0
[pid 5000] umount2("./339/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./339/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./339/cgroup") = 0
[pid 5000] umount2("./339/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./339/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./339/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./339") = 0
[pid 5000] mkdir("./340", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5342 attached
<unfinished ...>
[pid 5342] chdir("./340") = 0
[pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5342] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 342
[pid 5342] <... setpgid resumed>) = 0
[pid 5342] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5342] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5342] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5342] write(3, "1000", 4) = 4
[pid 5342] close(3) = 0
[pid 5342] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5342] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5342] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5342] openat(3, "freezer.state", O_RDWR) = 4
[pid 5342] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5342] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5342] close(3) = 0
[pid 5342] close(4) = 0
[pid 5342] close(5) = -1 EBADF (Bad file descriptor)
[pid 5342] close(6) = -1 EBADF (Bad file descriptor)
[pid 5342] close(7) = -1 EBADF (Bad file descriptor)
[pid 5342] close(8) = -1 EBADF (Bad file descriptor)
[pid 5342] close(9) = -1 EBADF (Bad file descriptor)
[pid 5342] close(10) = -1 EBADF (Bad file descriptor)
[pid 5342] close(11) = -1 EBADF (Bad file descriptor)
[pid 5342] close(12) = -1 EBADF (Bad file descriptor)
[pid 5342] close(13) = -1 EBADF (Bad file descriptor)
[pid 5342] close(14) = -1 EBADF (Bad file descriptor)
[pid 5342] close(15) = -1 EBADF (Bad file descriptor)
[pid 5342] close(16) = -1 EBADF (Bad file descriptor)
[pid 5342] close(17) = -1 EBADF (Bad file descriptor)
[pid 5342] close(18) = -1 EBADF (Bad file descriptor)
[pid 5342] close(19) = -1 EBADF (Bad file descriptor)
[pid 5342] close(20) = -1 EBADF (Bad file descriptor)
[pid 5342] close(21) = -1 EBADF (Bad file descriptor)
[pid 5342] close(22) = -1 EBADF (Bad file descriptor)
[pid 5342] close(23) = -1 EBADF (Bad file descriptor)
[pid 5342] close(24) = -1 EBADF (Bad file descriptor)
[pid 5342] close(25) = -1 EBADF (Bad file descriptor)
[pid 5342] close(26) = -1 EBADF (Bad file descriptor)
[pid 5342] close(27) = -1 EBADF (Bad file descriptor)
[pid 5342] close(28) = -1 EBADF (Bad file descriptor)
[pid 5342] close(29) = -1 EBADF (Bad file descriptor)
[pid 5342] exit_group(0) = ?
[pid 5342] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./340", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./340/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./340/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./340/cgroup.cpu") = 0
[pid 5000] umount2("./340/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./340/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./340/binderfs") = 0
[pid 5000] umount2("./340/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./340/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./340/cgroup") = 0
[pid 5000] umount2("./340/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./340/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./340/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./340") = 0
[pid 5000] mkdir("./341", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5343 attached
<unfinished ...>
[pid 5343] chdir("./341") = 0
[pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 343
[pid 5343] <... prctl resumed>) = 0
[pid 5343] setpgid(0, 0) = 0
[pid 5343] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5343] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5343] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5343] write(3, "1000", 4) = 4
[pid 5343] close(3) = 0
[pid 5343] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5343] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5343] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5343] openat(3, "freezer.state", O_RDWR) = 4
[pid 5343] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5343] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5343] close(3) = 0
[pid 5343] close(4) = 0
[pid 5343] close(5) = -1 EBADF (Bad file descriptor)
[pid 5343] close(6) = -1 EBADF (Bad file descriptor)
[pid 5343] close(7) = -1 EBADF (Bad file descriptor)
[pid 5343] close(8) = -1 EBADF (Bad file descriptor)
[pid 5343] close(9) = -1 EBADF (Bad file descriptor)
[pid 5343] close(10) = -1 EBADF (Bad file descriptor)
[pid 5343] close(11) = -1 EBADF (Bad file descriptor)
[pid 5343] close(12) = -1 EBADF (Bad file descriptor)
[pid 5343] close(13) = -1 EBADF (Bad file descriptor)
[pid 5343] close(14) = -1 EBADF (Bad file descriptor)
[pid 5343] close(15) = -1 EBADF (Bad file descriptor)
[pid 5343] close(16) = -1 EBADF (Bad file descriptor)
[pid 5343] close(17) = -1 EBADF (Bad file descriptor)
[pid 5343] close(18) = -1 EBADF (Bad file descriptor)
[pid 5343] close(19) = -1 EBADF (Bad file descriptor)
[pid 5343] close(20) = -1 EBADF (Bad file descriptor)
[pid 5343] close(21) = -1 EBADF (Bad file descriptor)
[pid 5343] close(22) = -1 EBADF (Bad file descriptor)
[pid 5343] close(23) = -1 EBADF (Bad file descriptor)
[pid 5343] close(24) = -1 EBADF (Bad file descriptor)
[pid 5343] close(25) = -1 EBADF (Bad file descriptor)
[pid 5343] close(26) = -1 EBADF (Bad file descriptor)
[pid 5343] close(27) = -1 EBADF (Bad file descriptor)
[pid 5343] close(28) = -1 EBADF (Bad file descriptor)
[pid 5343] close(29) = -1 EBADF (Bad file descriptor)
[pid 5343] exit_group(0) = ?
[pid 5343] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./341", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./341/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./341/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./341/cgroup.cpu") = 0
[pid 5000] umount2("./341/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./341/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./341/binderfs") = 0
[pid 5000] umount2("./341/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./341/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./341/cgroup") = 0
[pid 5000] umount2("./341/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./341/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./341/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./341") = 0
[pid 5000] mkdir("./342", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5344 attached
<unfinished ...>
[pid 5344] chdir("./342") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 344
[pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5344] setpgid(0, 0) = 0
[pid 5344] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5344] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5344] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5344] write(3, "1000", 4) = 4
[pid 5344] close(3) = 0
[pid 5344] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5344] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5344] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5344] openat(3, "freezer.state", O_RDWR) = 4
[pid 5344] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5344] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5344] close(3) = 0
[pid 5344] close(4) = 0
[pid 5344] close(5) = -1 EBADF (Bad file descriptor)
[pid 5344] close(6) = -1 EBADF (Bad file descriptor)
[pid 5344] close(7) = -1 EBADF (Bad file descriptor)
[pid 5344] close(8) = -1 EBADF (Bad file descriptor)
[pid 5344] close(9) = -1 EBADF (Bad file descriptor)
[pid 5344] close(10) = -1 EBADF (Bad file descriptor)
[pid 5344] close(11) = -1 EBADF (Bad file descriptor)
[pid 5344] close(12) = -1 EBADF (Bad file descriptor)
[pid 5344] close(13) = -1 EBADF (Bad file descriptor)
[pid 5344] close(14) = -1 EBADF (Bad file descriptor)
[pid 5344] close(15) = -1 EBADF (Bad file descriptor)
[pid 5344] close(16) = -1 EBADF (Bad file descriptor)
[pid 5344] close(17) = -1 EBADF (Bad file descriptor)
[pid 5344] close(18) = -1 EBADF (Bad file descriptor)
[pid 5344] close(19) = -1 EBADF (Bad file descriptor)
[pid 5344] close(20) = -1 EBADF (Bad file descriptor)
[pid 5344] close(21) = -1 EBADF (Bad file descriptor)
[pid 5344] close(22) = -1 EBADF (Bad file descriptor)
[pid 5344] close(23) = -1 EBADF (Bad file descriptor)
[pid 5344] close(24) = -1 EBADF (Bad file descriptor)
[pid 5344] close(25) = -1 EBADF (Bad file descriptor)
[pid 5344] close(26) = -1 EBADF (Bad file descriptor)
[pid 5344] close(27) = -1 EBADF (Bad file descriptor)
[pid 5344] close(28) = -1 EBADF (Bad file descriptor)
[pid 5344] close(29) = -1 EBADF (Bad file descriptor)
[pid 5344] exit_group(0) = ?
[pid 5344] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./342", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./342/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./342/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./342/cgroup.cpu") = 0
[pid 5000] umount2("./342/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./342/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./342/binderfs") = 0
[pid 5000] umount2("./342/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./342/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./342/cgroup") = 0
[pid 5000] umount2("./342/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./342/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./342/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./342") = 0
[pid 5000] mkdir("./343", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5345 attached
<unfinished ...>
[pid 5345] chdir("./343") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 345
[pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5345] setpgid(0, 0) = 0
[pid 5345] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5345] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5345] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5345] write(3, "1000", 4) = 4
[pid 5345] close(3) = 0
[pid 5345] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5345] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5345] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5345] openat(3, "freezer.state", O_RDWR) = 4
[pid 5345] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5345] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5345] close(3) = 0
[pid 5345] close(4) = 0
[pid 5345] close(5) = -1 EBADF (Bad file descriptor)
[pid 5345] close(6) = -1 EBADF (Bad file descriptor)
[pid 5345] close(7) = -1 EBADF (Bad file descriptor)
[pid 5345] close(8) = -1 EBADF (Bad file descriptor)
[pid 5345] close(9) = -1 EBADF (Bad file descriptor)
[pid 5345] close(10) = -1 EBADF (Bad file descriptor)
[pid 5345] close(11) = -1 EBADF (Bad file descriptor)
[pid 5345] close(12) = -1 EBADF (Bad file descriptor)
[pid 5345] close(13) = -1 EBADF (Bad file descriptor)
[pid 5345] close(14) = -1 EBADF (Bad file descriptor)
[pid 5345] close(15) = -1 EBADF (Bad file descriptor)
[pid 5345] close(16) = -1 EBADF (Bad file descriptor)
[pid 5345] close(17) = -1 EBADF (Bad file descriptor)
[pid 5345] close(18) = -1 EBADF (Bad file descriptor)
[pid 5345] close(19) = -1 EBADF (Bad file descriptor)
[pid 5345] close(20) = -1 EBADF (Bad file descriptor)
[pid 5345] close(21) = -1 EBADF (Bad file descriptor)
[pid 5345] close(22) = -1 EBADF (Bad file descriptor)
[pid 5345] close(23) = -1 EBADF (Bad file descriptor)
[pid 5345] close(24) = -1 EBADF (Bad file descriptor)
[pid 5345] close(25) = -1 EBADF (Bad file descriptor)
[pid 5345] close(26) = -1 EBADF (Bad file descriptor)
[pid 5345] close(27) = -1 EBADF (Bad file descriptor)
[pid 5345] close(28) = -1 EBADF (Bad file descriptor)
[pid 5345] close(29) = -1 EBADF (Bad file descriptor)
[pid 5345] exit_group(0) = ?
[pid 5345] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./343", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./343/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./343/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./343/cgroup.cpu") = 0
[pid 5000] umount2("./343/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./343/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./343/binderfs") = 0
[pid 5000] umount2("./343/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./343/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./343/cgroup") = 0
[pid 5000] umount2("./343/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./343/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./343/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./343") = 0
[pid 5000] mkdir("./344", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5346 attached
<unfinished ...>
[pid 5346] chdir("./344") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 346
[pid 5346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5346] setpgid(0, 0) = 0
[pid 5346] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5346] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5346] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5346] write(3, "1000", 4) = 4
[pid 5346] close(3) = 0
[pid 5346] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5346] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5346] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5346] openat(3, "freezer.state", O_RDWR) = 4
[pid 5346] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5346] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5346] close(3) = 0
[pid 5346] close(4) = 0
[pid 5346] close(5) = -1 EBADF (Bad file descriptor)
[pid 5346] close(6) = -1 EBADF (Bad file descriptor)
[pid 5346] close(7) = -1 EBADF (Bad file descriptor)
[pid 5346] close(8) = -1 EBADF (Bad file descriptor)
[pid 5346] close(9) = -1 EBADF (Bad file descriptor)
[pid 5346] close(10) = -1 EBADF (Bad file descriptor)
[pid 5346] close(11) = -1 EBADF (Bad file descriptor)
[pid 5346] close(12) = -1 EBADF (Bad file descriptor)
[pid 5346] close(13) = -1 EBADF (Bad file descriptor)
[pid 5346] close(14) = -1 EBADF (Bad file descriptor)
[pid 5346] close(15) = -1 EBADF (Bad file descriptor)
[pid 5346] close(16) = -1 EBADF (Bad file descriptor)
[pid 5346] close(17) = -1 EBADF (Bad file descriptor)
[pid 5346] close(18) = -1 EBADF (Bad file descriptor)
[pid 5346] close(19) = -1 EBADF (Bad file descriptor)
[pid 5346] close(20) = -1 EBADF (Bad file descriptor)
[pid 5346] close(21) = -1 EBADF (Bad file descriptor)
[pid 5346] close(22) = -1 EBADF (Bad file descriptor)
[pid 5346] close(23) = -1 EBADF (Bad file descriptor)
[pid 5346] close(24) = -1 EBADF (Bad file descriptor)
[pid 5346] close(25) = -1 EBADF (Bad file descriptor)
[pid 5346] close(26) = -1 EBADF (Bad file descriptor)
[pid 5346] close(27) = -1 EBADF (Bad file descriptor)
[pid 5346] close(28) = -1 EBADF (Bad file descriptor)
[pid 5346] close(29) = -1 EBADF (Bad file descriptor)
[pid 5346] exit_group(0) = ?
[pid 5346] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./344", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./344/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./344/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./344/cgroup.cpu") = 0
[pid 5000] umount2("./344/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./344/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./344/binderfs") = 0
[pid 5000] umount2("./344/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./344/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./344/cgroup") = 0
[pid 5000] umount2("./344/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./344/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./344/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./344") = 0
[pid 5000] mkdir("./345", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 347
./strace-static-x86_64: Process 5347 attached
[pid 5347] chdir("./345") = 0
[pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5347] setpgid(0, 0) = 0
[pid 5347] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5347] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5347] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5347] write(3, "1000", 4) = 4
[pid 5347] close(3) = 0
[pid 5347] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5347] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5347] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5347] openat(3, "freezer.state", O_RDWR) = 4
[pid 5347] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5347] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5347] close(3) = 0
[pid 5347] close(4) = 0
[pid 5347] close(5) = -1 EBADF (Bad file descriptor)
[pid 5347] close(6) = -1 EBADF (Bad file descriptor)
[pid 5347] close(7) = -1 EBADF (Bad file descriptor)
[pid 5347] close(8) = -1 EBADF (Bad file descriptor)
[pid 5347] close(9) = -1 EBADF (Bad file descriptor)
[pid 5347] close(10) = -1 EBADF (Bad file descriptor)
[pid 5347] close(11) = -1 EBADF (Bad file descriptor)
[pid 5347] close(12) = -1 EBADF (Bad file descriptor)
[pid 5347] close(13) = -1 EBADF (Bad file descriptor)
[pid 5347] close(14) = -1 EBADF (Bad file descriptor)
[pid 5347] close(15) = -1 EBADF (Bad file descriptor)
[pid 5347] close(16) = -1 EBADF (Bad file descriptor)
[pid 5347] close(17) = -1 EBADF (Bad file descriptor)
[pid 5347] close(18) = -1 EBADF (Bad file descriptor)
[pid 5347] close(19) = -1 EBADF (Bad file descriptor)
[pid 5347] close(20) = -1 EBADF (Bad file descriptor)
[pid 5347] close(21) = -1 EBADF (Bad file descriptor)
[pid 5347] close(22) = -1 EBADF (Bad file descriptor)
[pid 5347] close(23) = -1 EBADF (Bad file descriptor)
[pid 5347] close(24) = -1 EBADF (Bad file descriptor)
[pid 5347] close(25) = -1 EBADF (Bad file descriptor)
[pid 5347] close(26) = -1 EBADF (Bad file descriptor)
[pid 5347] close(27) = -1 EBADF (Bad file descriptor)
[pid 5347] close(28) = -1 EBADF (Bad file descriptor)
[pid 5347] close(29) = -1 EBADF (Bad file descriptor)
[pid 5347] exit_group(0) = ?
[pid 5347] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./345", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./345/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./345/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./345/cgroup.cpu") = 0
[pid 5000] umount2("./345/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./345/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./345/binderfs") = 0
[pid 5000] umount2("./345/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./345/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./345/cgroup") = 0
[pid 5000] umount2("./345/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./345/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./345/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./345") = 0
[pid 5000] mkdir("./346", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5348 attached
<unfinished ...>
[pid 5348] chdir("./346") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 348
[pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5348] setpgid(0, 0) = 0
[pid 5348] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5348] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5348] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5348] write(3, "1000", 4) = 4
[pid 5348] close(3) = 0
[pid 5348] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5348] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5348] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5348] openat(3, "freezer.state", O_RDWR) = 4
[pid 5348] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5348] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5348] close(3) = 0
[pid 5348] close(4) = 0
[pid 5348] close(5) = -1 EBADF (Bad file descriptor)
[pid 5348] close(6) = -1 EBADF (Bad file descriptor)
[pid 5348] close(7) = -1 EBADF (Bad file descriptor)
[pid 5348] close(8) = -1 EBADF (Bad file descriptor)
[pid 5348] close(9) = -1 EBADF (Bad file descriptor)
[pid 5348] close(10) = -1 EBADF (Bad file descriptor)
[pid 5348] close(11) = -1 EBADF (Bad file descriptor)
[pid 5348] close(12) = -1 EBADF (Bad file descriptor)
[pid 5348] close(13) = -1 EBADF (Bad file descriptor)
[pid 5348] close(14) = -1 EBADF (Bad file descriptor)
[pid 5348] close(15) = -1 EBADF (Bad file descriptor)
[pid 5348] close(16) = -1 EBADF (Bad file descriptor)
[pid 5348] close(17) = -1 EBADF (Bad file descriptor)
[pid 5348] close(18) = -1 EBADF (Bad file descriptor)
[pid 5348] close(19) = -1 EBADF (Bad file descriptor)
[pid 5348] close(20) = -1 EBADF (Bad file descriptor)
[pid 5348] close(21) = -1 EBADF (Bad file descriptor)
[pid 5348] close(22) = -1 EBADF (Bad file descriptor)
[pid 5348] close(23) = -1 EBADF (Bad file descriptor)
[pid 5348] close(24) = -1 EBADF (Bad file descriptor)
[pid 5348] close(25) = -1 EBADF (Bad file descriptor)
[pid 5348] close(26) = -1 EBADF (Bad file descriptor)
[pid 5348] close(27) = -1 EBADF (Bad file descriptor)
[pid 5348] close(28) = -1 EBADF (Bad file descriptor)
[pid 5348] close(29) = -1 EBADF (Bad file descriptor)
[pid 5348] exit_group(0) = ?
[pid 5348] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./346", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./346/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./346/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./346/cgroup.cpu") = 0
[pid 5000] umount2("./346/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./346/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./346/binderfs") = 0
[pid 5000] umount2("./346/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./346/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./346/cgroup") = 0
[pid 5000] umount2("./346/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./346/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./346/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./346") = 0
[pid 5000] mkdir("./347", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5349 attached
<unfinished ...>
[pid 5349] chdir("./347") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 349
[pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5349] setpgid(0, 0) = 0
[pid 5349] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5349] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5349] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5349] write(3, "1000", 4) = 4
[pid 5349] close(3) = 0
[pid 5349] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5349] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5349] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5349] openat(3, "freezer.state", O_RDWR) = 4
[pid 5349] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5349] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5349] close(3) = 0
[pid 5349] close(4) = 0
[pid 5349] close(5) = -1 EBADF (Bad file descriptor)
[pid 5349] close(6) = -1 EBADF (Bad file descriptor)
[pid 5349] close(7) = -1 EBADF (Bad file descriptor)
[pid 5349] close(8) = -1 EBADF (Bad file descriptor)
[pid 5349] close(9) = -1 EBADF (Bad file descriptor)
[pid 5349] close(10) = -1 EBADF (Bad file descriptor)
[pid 5349] close(11) = -1 EBADF (Bad file descriptor)
[pid 5349] close(12) = -1 EBADF (Bad file descriptor)
[pid 5349] close(13) = -1 EBADF (Bad file descriptor)
[pid 5349] close(14) = -1 EBADF (Bad file descriptor)
[pid 5349] close(15) = -1 EBADF (Bad file descriptor)
[pid 5349] close(16) = -1 EBADF (Bad file descriptor)
[pid 5349] close(17) = -1 EBADF (Bad file descriptor)
[pid 5349] close(18) = -1 EBADF (Bad file descriptor)
[pid 5349] close(19) = -1 EBADF (Bad file descriptor)
[pid 5349] close(20) = -1 EBADF (Bad file descriptor)
[pid 5349] close(21) = -1 EBADF (Bad file descriptor)
[pid 5349] close(22) = -1 EBADF (Bad file descriptor)
[pid 5349] close(23) = -1 EBADF (Bad file descriptor)
[pid 5349] close(24) = -1 EBADF (Bad file descriptor)
[pid 5349] close(25) = -1 EBADF (Bad file descriptor)
[pid 5349] close(26) = -1 EBADF (Bad file descriptor)
[pid 5349] close(27) = -1 EBADF (Bad file descriptor)
[pid 5349] close(28) = -1 EBADF (Bad file descriptor)
[pid 5349] close(29) = -1 EBADF (Bad file descriptor)
[pid 5349] exit_group(0) = ?
[pid 5349] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./347", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./347/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./347/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./347/cgroup.cpu") = 0
[pid 5000] umount2("./347/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./347/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./347/binderfs") = 0
[pid 5000] umount2("./347/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./347/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./347/cgroup") = 0
[pid 5000] umount2("./347/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./347/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./347/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./347") = 0
[pid 5000] mkdir("./348", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5350 attached
<unfinished ...>
[pid 5350] chdir("./348") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 350
[pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5350] setpgid(0, 0) = 0
[pid 5350] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5350] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5350] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5350] write(3, "1000", 4) = 4
[pid 5350] close(3) = 0
[pid 5350] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5350] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5350] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5350] openat(3, "freezer.state", O_RDWR) = 4
[pid 5350] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5350] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5350] close(3) = 0
[pid 5350] close(4) = 0
[pid 5350] close(5) = -1 EBADF (Bad file descriptor)
[pid 5350] close(6) = -1 EBADF (Bad file descriptor)
[pid 5350] close(7) = -1 EBADF (Bad file descriptor)
[pid 5350] close(8) = -1 EBADF (Bad file descriptor)
[pid 5350] close(9) = -1 EBADF (Bad file descriptor)
[pid 5350] close(10) = -1 EBADF (Bad file descriptor)
[pid 5350] close(11) = -1 EBADF (Bad file descriptor)
[pid 5350] close(12) = -1 EBADF (Bad file descriptor)
[pid 5350] close(13) = -1 EBADF (Bad file descriptor)
[pid 5350] close(14) = -1 EBADF (Bad file descriptor)
[pid 5350] close(15) = -1 EBADF (Bad file descriptor)
[pid 5350] close(16) = -1 EBADF (Bad file descriptor)
[pid 5350] close(17) = -1 EBADF (Bad file descriptor)
[pid 5350] close(18) = -1 EBADF (Bad file descriptor)
[pid 5350] close(19) = -1 EBADF (Bad file descriptor)
[pid 5350] close(20) = -1 EBADF (Bad file descriptor)
[pid 5350] close(21) = -1 EBADF (Bad file descriptor)
[pid 5350] close(22) = -1 EBADF (Bad file descriptor)
[pid 5350] close(23) = -1 EBADF (Bad file descriptor)
[pid 5350] close(24) = -1 EBADF (Bad file descriptor)
[pid 5350] close(25) = -1 EBADF (Bad file descriptor)
[pid 5350] close(26) = -1 EBADF (Bad file descriptor)
[pid 5350] close(27) = -1 EBADF (Bad file descriptor)
[pid 5350] close(28) = -1 EBADF (Bad file descriptor)
[pid 5350] close(29) = -1 EBADF (Bad file descriptor)
[pid 5350] exit_group(0) = ?
[pid 5350] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./348", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./348/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./348/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./348/cgroup.cpu") = 0
[pid 5000] umount2("./348/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./348/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./348/binderfs") = 0
[pid 5000] umount2("./348/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./348/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./348/cgroup") = 0
[pid 5000] umount2("./348/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./348/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./348/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./348") = 0
[pid 5000] mkdir("./349", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 351
./strace-static-x86_64: Process 5351 attached
[pid 5351] chdir("./349") = 0
[pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5351] setpgid(0, 0) = 0
[pid 5351] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5351] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5351] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5351] write(3, "1000", 4) = 4
[pid 5351] close(3) = 0
[pid 5351] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5351] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5351] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5351] openat(3, "freezer.state", O_RDWR) = 4
[pid 5351] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5351] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5351] close(3) = 0
[pid 5351] close(4) = 0
[pid 5351] close(5) = -1 EBADF (Bad file descriptor)
[pid 5351] close(6) = -1 EBADF (Bad file descriptor)
[pid 5351] close(7) = -1 EBADF (Bad file descriptor)
[pid 5351] close(8) = -1 EBADF (Bad file descriptor)
[pid 5351] close(9) = -1 EBADF (Bad file descriptor)
[pid 5351] close(10) = -1 EBADF (Bad file descriptor)
[pid 5351] close(11) = -1 EBADF (Bad file descriptor)
[pid 5351] close(12) = -1 EBADF (Bad file descriptor)
[pid 5351] close(13) = -1 EBADF (Bad file descriptor)
[pid 5351] close(14) = -1 EBADF (Bad file descriptor)
[pid 5351] close(15) = -1 EBADF (Bad file descriptor)
[pid 5351] close(16) = -1 EBADF (Bad file descriptor)
[pid 5351] close(17) = -1 EBADF (Bad file descriptor)
[pid 5351] close(18) = -1 EBADF (Bad file descriptor)
[pid 5351] close(19) = -1 EBADF (Bad file descriptor)
[pid 5351] close(20) = -1 EBADF (Bad file descriptor)
[pid 5351] close(21) = -1 EBADF (Bad file descriptor)
[pid 5351] close(22) = -1 EBADF (Bad file descriptor)
[pid 5351] close(23) = -1 EBADF (Bad file descriptor)
[pid 5351] close(24) = -1 EBADF (Bad file descriptor)
[pid 5351] close(25) = -1 EBADF (Bad file descriptor)
[pid 5351] close(26) = -1 EBADF (Bad file descriptor)
[pid 5351] close(27) = -1 EBADF (Bad file descriptor)
[pid 5351] close(28) = -1 EBADF (Bad file descriptor)
[pid 5351] close(29) = -1 EBADF (Bad file descriptor)
[pid 5351] exit_group(0) = ?
[pid 5351] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./349", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./349/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./349/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./349/cgroup.cpu") = 0
[pid 5000] umount2("./349/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./349/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./349/binderfs") = 0
[pid 5000] umount2("./349/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./349/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./349/cgroup") = 0
[pid 5000] umount2("./349/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./349/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./349/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./349") = 0
[pid 5000] mkdir("./350", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 352
./strace-static-x86_64: Process 5352 attached
[pid 5352] chdir("./350") = 0
[pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5352] setpgid(0, 0) = 0
[pid 5352] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5352] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5352] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5352] write(3, "1000", 4) = 4
[pid 5352] close(3) = 0
[pid 5352] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5352] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5352] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5352] openat(3, "freezer.state", O_RDWR) = 4
[pid 5352] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5352] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5352] close(3) = 0
[pid 5352] close(4) = 0
[pid 5352] close(5) = -1 EBADF (Bad file descriptor)
[pid 5352] close(6) = -1 EBADF (Bad file descriptor)
[pid 5352] close(7) = -1 EBADF (Bad file descriptor)
[pid 5352] close(8) = -1 EBADF (Bad file descriptor)
[pid 5352] close(9) = -1 EBADF (Bad file descriptor)
[pid 5352] close(10) = -1 EBADF (Bad file descriptor)
[pid 5352] close(11) = -1 EBADF (Bad file descriptor)
[pid 5352] close(12) = -1 EBADF (Bad file descriptor)
[pid 5352] close(13) = -1 EBADF (Bad file descriptor)
[pid 5352] close(14) = -1 EBADF (Bad file descriptor)
[pid 5352] close(15) = -1 EBADF (Bad file descriptor)
[pid 5352] close(16) = -1 EBADF (Bad file descriptor)
[pid 5352] close(17) = -1 EBADF (Bad file descriptor)
[pid 5352] close(18) = -1 EBADF (Bad file descriptor)
[pid 5352] close(19) = -1 EBADF (Bad file descriptor)
[pid 5352] close(20) = -1 EBADF (Bad file descriptor)
[pid 5352] close(21) = -1 EBADF (Bad file descriptor)
[pid 5352] close(22) = -1 EBADF (Bad file descriptor)
[pid 5352] close(23) = -1 EBADF (Bad file descriptor)
[pid 5352] close(24) = -1 EBADF (Bad file descriptor)
[pid 5352] close(25) = -1 EBADF (Bad file descriptor)
[pid 5352] close(26) = -1 EBADF (Bad file descriptor)
[pid 5352] close(27) = -1 EBADF (Bad file descriptor)
[pid 5352] close(28) = -1 EBADF (Bad file descriptor)
[pid 5352] close(29) = -1 EBADF (Bad file descriptor)
[pid 5352] exit_group(0) = ?
[pid 5352] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./350", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./350/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./350/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./350/cgroup.cpu") = 0
[pid 5000] umount2("./350/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./350/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./350/binderfs") = 0
[pid 5000] umount2("./350/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./350/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./350/cgroup") = 0
[pid 5000] umount2("./350/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./350/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./350/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./350") = 0
[pid 5000] mkdir("./351", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5353 attached
<unfinished ...>
[pid 5353] chdir("./351") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 353
[pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5353] setpgid(0, 0) = 0
[pid 5353] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5353] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5353] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5353] write(3, "1000", 4) = 4
[pid 5353] close(3) = 0
[pid 5353] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5353] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5353] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5353] openat(3, "freezer.state", O_RDWR) = 4
[pid 5353] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5353] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5353] close(3) = 0
[pid 5353] close(4) = 0
[pid 5353] close(5) = -1 EBADF (Bad file descriptor)
[pid 5353] close(6) = -1 EBADF (Bad file descriptor)
[pid 5353] close(7) = -1 EBADF (Bad file descriptor)
[pid 5353] close(8) = -1 EBADF (Bad file descriptor)
[pid 5353] close(9) = -1 EBADF (Bad file descriptor)
[pid 5353] close(10) = -1 EBADF (Bad file descriptor)
[pid 5353] close(11) = -1 EBADF (Bad file descriptor)
[pid 5353] close(12) = -1 EBADF (Bad file descriptor)
[pid 5353] close(13) = -1 EBADF (Bad file descriptor)
[pid 5353] close(14) = -1 EBADF (Bad file descriptor)
[pid 5353] close(15) = -1 EBADF (Bad file descriptor)
[pid 5353] close(16) = -1 EBADF (Bad file descriptor)
[pid 5353] close(17) = -1 EBADF (Bad file descriptor)
[pid 5353] close(18) = -1 EBADF (Bad file descriptor)
[pid 5353] close(19) = -1 EBADF (Bad file descriptor)
[pid 5353] close(20) = -1 EBADF (Bad file descriptor)
[pid 5353] close(21) = -1 EBADF (Bad file descriptor)
[pid 5353] close(22) = -1 EBADF (Bad file descriptor)
[pid 5353] close(23) = -1 EBADF (Bad file descriptor)
[pid 5353] close(24) = -1 EBADF (Bad file descriptor)
[pid 5353] close(25) = -1 EBADF (Bad file descriptor)
[pid 5353] close(26) = -1 EBADF (Bad file descriptor)
[pid 5353] close(27) = -1 EBADF (Bad file descriptor)
[pid 5353] close(28) = -1 EBADF (Bad file descriptor)
[pid 5353] close(29) = -1 EBADF (Bad file descriptor)
[pid 5353] exit_group(0) = ?
[pid 5353] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./351", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./351/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./351/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./351/cgroup.cpu") = 0
[pid 5000] umount2("./351/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./351/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./351/binderfs") = 0
[pid 5000] umount2("./351/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./351/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./351/cgroup") = 0
[pid 5000] umount2("./351/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./351/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./351/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./351") = 0
[pid 5000] mkdir("./352", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5354 attached
<unfinished ...>
[pid 5354] chdir("./352") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 354
[pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5354] setpgid(0, 0) = 0
[pid 5354] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5354] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5354] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5354] write(3, "1000", 4) = 4
[pid 5354] close(3) = 0
[pid 5354] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5354] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5354] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5354] openat(3, "freezer.state", O_RDWR) = 4
[pid 5354] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5354] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5354] close(3) = 0
[pid 5354] close(4) = 0
[pid 5354] close(5) = -1 EBADF (Bad file descriptor)
[pid 5354] close(6) = -1 EBADF (Bad file descriptor)
[pid 5354] close(7) = -1 EBADF (Bad file descriptor)
[pid 5354] close(8) = -1 EBADF (Bad file descriptor)
[pid 5354] close(9) = -1 EBADF (Bad file descriptor)
[pid 5354] close(10) = -1 EBADF (Bad file descriptor)
[pid 5354] close(11) = -1 EBADF (Bad file descriptor)
[pid 5354] close(12) = -1 EBADF (Bad file descriptor)
[pid 5354] close(13) = -1 EBADF (Bad file descriptor)
[pid 5354] close(14) = -1 EBADF (Bad file descriptor)
[pid 5354] close(15) = -1 EBADF (Bad file descriptor)
[pid 5354] close(16) = -1 EBADF (Bad file descriptor)
[pid 5354] close(17) = -1 EBADF (Bad file descriptor)
[pid 5354] close(18) = -1 EBADF (Bad file descriptor)
[pid 5354] close(19) = -1 EBADF (Bad file descriptor)
[pid 5354] close(20) = -1 EBADF (Bad file descriptor)
[pid 5354] close(21) = -1 EBADF (Bad file descriptor)
[pid 5354] close(22) = -1 EBADF (Bad file descriptor)
[pid 5354] close(23) = -1 EBADF (Bad file descriptor)
[pid 5354] close(24) = -1 EBADF (Bad file descriptor)
[pid 5354] close(25) = -1 EBADF (Bad file descriptor)
[pid 5354] close(26) = -1 EBADF (Bad file descriptor)
[pid 5354] close(27) = -1 EBADF (Bad file descriptor)
[pid 5354] close(28) = -1 EBADF (Bad file descriptor)
[pid 5354] close(29) = -1 EBADF (Bad file descriptor)
[pid 5354] exit_group(0) = ?
[pid 5354] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./352", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./352/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./352/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./352/cgroup.cpu") = 0
[pid 5000] umount2("./352/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./352/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./352/binderfs") = 0
[pid 5000] umount2("./352/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./352/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./352/cgroup") = 0
[pid 5000] umount2("./352/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./352/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./352/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./352") = 0
[pid 5000] mkdir("./353", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5355 attached
<unfinished ...>
[pid 5355] chdir("./353") = 0
[pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 355
[pid 5355] <... prctl resumed>) = 0
[pid 5355] setpgid(0, 0) = 0
[pid 5355] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5355] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5355] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5355] write(3, "1000", 4) = 4
[pid 5355] close(3) = 0
[pid 5355] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5355] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5355] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5355] openat(3, "freezer.state", O_RDWR) = 4
[pid 5355] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5355] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5355] close(3) = 0
[pid 5355] close(4) = 0
[pid 5355] close(5) = -1 EBADF (Bad file descriptor)
[pid 5355] close(6) = -1 EBADF (Bad file descriptor)
[pid 5355] close(7) = -1 EBADF (Bad file descriptor)
[pid 5355] close(8) = -1 EBADF (Bad file descriptor)
[pid 5355] close(9) = -1 EBADF (Bad file descriptor)
[pid 5355] close(10) = -1 EBADF (Bad file descriptor)
[pid 5355] close(11) = -1 EBADF (Bad file descriptor)
[pid 5355] close(12) = -1 EBADF (Bad file descriptor)
[pid 5355] close(13) = -1 EBADF (Bad file descriptor)
[pid 5355] close(14) = -1 EBADF (Bad file descriptor)
[pid 5355] close(15) = -1 EBADF (Bad file descriptor)
[pid 5355] close(16) = -1 EBADF (Bad file descriptor)
[pid 5355] close(17) = -1 EBADF (Bad file descriptor)
[pid 5355] close(18) = -1 EBADF (Bad file descriptor)
[pid 5355] close(19) = -1 EBADF (Bad file descriptor)
[pid 5355] close(20) = -1 EBADF (Bad file descriptor)
[pid 5355] close(21) = -1 EBADF (Bad file descriptor)
[pid 5355] close(22) = -1 EBADF (Bad file descriptor)
[pid 5355] close(23) = -1 EBADF (Bad file descriptor)
[pid 5355] close(24) = -1 EBADF (Bad file descriptor)
[pid 5355] close(25) = -1 EBADF (Bad file descriptor)
[pid 5355] close(26) = -1 EBADF (Bad file descriptor)
[pid 5355] close(27) = -1 EBADF (Bad file descriptor)
[pid 5355] close(28) = -1 EBADF (Bad file descriptor)
[pid 5355] close(29) = -1 EBADF (Bad file descriptor)
[pid 5355] exit_group(0) = ?
[pid 5355] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./353", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./353/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./353/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./353/cgroup.cpu") = 0
[pid 5000] umount2("./353/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./353/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./353/binderfs") = 0
[pid 5000] umount2("./353/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./353/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./353/cgroup") = 0
[pid 5000] umount2("./353/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./353/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./353/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./353") = 0
[pid 5000] mkdir("./354", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 356
./strace-static-x86_64: Process 5356 attached
[pid 5356] chdir("./354") = 0
[pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5356] setpgid(0, 0) = 0
[pid 5356] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5356] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5356] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5356] write(3, "1000", 4) = 4
[pid 5356] close(3) = 0
[pid 5356] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5356] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5356] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5356] openat(3, "freezer.state", O_RDWR) = 4
[pid 5356] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5356] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5356] close(3) = 0
[pid 5356] close(4) = 0
[pid 5356] close(5) = -1 EBADF (Bad file descriptor)
[pid 5356] close(6) = -1 EBADF (Bad file descriptor)
[pid 5356] close(7) = -1 EBADF (Bad file descriptor)
[pid 5356] close(8) = -1 EBADF (Bad file descriptor)
[pid 5356] close(9) = -1 EBADF (Bad file descriptor)
[pid 5356] close(10) = -1 EBADF (Bad file descriptor)
[pid 5356] close(11) = -1 EBADF (Bad file descriptor)
[pid 5356] close(12) = -1 EBADF (Bad file descriptor)
[pid 5356] close(13) = -1 EBADF (Bad file descriptor)
[pid 5356] close(14) = -1 EBADF (Bad file descriptor)
[pid 5356] close(15) = -1 EBADF (Bad file descriptor)
[pid 5356] close(16) = -1 EBADF (Bad file descriptor)
[pid 5356] close(17) = -1 EBADF (Bad file descriptor)
[pid 5356] close(18) = -1 EBADF (Bad file descriptor)
[pid 5356] close(19) = -1 EBADF (Bad file descriptor)
[pid 5356] close(20) = -1 EBADF (Bad file descriptor)
[pid 5356] close(21) = -1 EBADF (Bad file descriptor)
[pid 5356] close(22) = -1 EBADF (Bad file descriptor)
[pid 5356] close(23) = -1 EBADF (Bad file descriptor)
[pid 5356] close(24) = -1 EBADF (Bad file descriptor)
[pid 5356] close(25) = -1 EBADF (Bad file descriptor)
[pid 5356] close(26) = -1 EBADF (Bad file descriptor)
[pid 5356] close(27) = -1 EBADF (Bad file descriptor)
[pid 5356] close(28) = -1 EBADF (Bad file descriptor)
[pid 5356] close(29) = -1 EBADF (Bad file descriptor)
[pid 5356] exit_group(0) = ?
[pid 5356] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./354", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./354/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./354/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./354/cgroup.cpu") = 0
[pid 5000] umount2("./354/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./354/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./354/binderfs") = 0
[pid 5000] umount2("./354/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./354/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./354/cgroup") = 0
[pid 5000] umount2("./354/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./354/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./354/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./354") = 0
[pid 5000] mkdir("./355", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5357 attached
<unfinished ...>
[pid 5357] chdir("./355") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 357
[pid 5357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5357] setpgid(0, 0) = 0
[pid 5357] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5357] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5357] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5357] write(3, "1000", 4) = 4
[pid 5357] close(3) = 0
[pid 5357] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5357] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5357] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5357] openat(3, "freezer.state", O_RDWR) = 4
[pid 5357] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5357] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5357] close(3) = 0
[pid 5357] close(4) = 0
[pid 5357] close(5) = -1 EBADF (Bad file descriptor)
[pid 5357] close(6) = -1 EBADF (Bad file descriptor)
[pid 5357] close(7) = -1 EBADF (Bad file descriptor)
[pid 5357] close(8) = -1 EBADF (Bad file descriptor)
[pid 5357] close(9) = -1 EBADF (Bad file descriptor)
[pid 5357] close(10) = -1 EBADF (Bad file descriptor)
[pid 5357] close(11) = -1 EBADF (Bad file descriptor)
[pid 5357] close(12) = -1 EBADF (Bad file descriptor)
[pid 5357] close(13) = -1 EBADF (Bad file descriptor)
[pid 5357] close(14) = -1 EBADF (Bad file descriptor)
[pid 5357] close(15) = -1 EBADF (Bad file descriptor)
[pid 5357] close(16) = -1 EBADF (Bad file descriptor)
[pid 5357] close(17) = -1 EBADF (Bad file descriptor)
[pid 5357] close(18) = -1 EBADF (Bad file descriptor)
[pid 5357] close(19) = -1 EBADF (Bad file descriptor)
[pid 5357] close(20) = -1 EBADF (Bad file descriptor)
[pid 5357] close(21) = -1 EBADF (Bad file descriptor)
[pid 5357] close(22) = -1 EBADF (Bad file descriptor)
[pid 5357] close(23) = -1 EBADF (Bad file descriptor)
[pid 5357] close(24) = -1 EBADF (Bad file descriptor)
[pid 5357] close(25) = -1 EBADF (Bad file descriptor)
[pid 5357] close(26) = -1 EBADF (Bad file descriptor)
[pid 5357] close(27) = -1 EBADF (Bad file descriptor)
[pid 5357] close(28) = -1 EBADF (Bad file descriptor)
[pid 5357] close(29) = -1 EBADF (Bad file descriptor)
[pid 5357] exit_group(0) = ?
[pid 5357] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./355", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./355/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./355/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./355/cgroup.cpu") = 0
[pid 5000] umount2("./355/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./355/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./355/binderfs") = 0
[pid 5000] umount2("./355/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./355/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./355/cgroup") = 0
[pid 5000] umount2("./355/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./355/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./355/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./355") = 0
[pid 5000] mkdir("./356", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5358 attached
<unfinished ...>
[pid 5358] chdir("./356") = 0
[pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5358] setpgid(0, 0) = 0
[pid 5358] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 358
[pid 5358] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5358] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5358] write(3, "1000", 4) = 4
[pid 5358] close(3) = 0
[pid 5358] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5358] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5358] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5358] openat(3, "freezer.state", O_RDWR) = 4
[pid 5358] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5358] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5358] close(3) = 0
[pid 5358] close(4) = 0
[pid 5358] close(5) = -1 EBADF (Bad file descriptor)
[pid 5358] close(6) = -1 EBADF (Bad file descriptor)
[pid 5358] close(7) = -1 EBADF (Bad file descriptor)
[pid 5358] close(8) = -1 EBADF (Bad file descriptor)
[pid 5358] close(9) = -1 EBADF (Bad file descriptor)
[pid 5358] close(10) = -1 EBADF (Bad file descriptor)
[pid 5358] close(11) = -1 EBADF (Bad file descriptor)
[pid 5358] close(12) = -1 EBADF (Bad file descriptor)
[pid 5358] close(13) = -1 EBADF (Bad file descriptor)
[pid 5358] close(14) = -1 EBADF (Bad file descriptor)
[pid 5358] close(15) = -1 EBADF (Bad file descriptor)
[pid 5358] close(16) = -1 EBADF (Bad file descriptor)
[pid 5358] close(17) = -1 EBADF (Bad file descriptor)
[pid 5358] close(18) = -1 EBADF (Bad file descriptor)
[pid 5358] close(19) = -1 EBADF (Bad file descriptor)
[pid 5358] close(20) = -1 EBADF (Bad file descriptor)
[pid 5358] close(21) = -1 EBADF (Bad file descriptor)
[pid 5358] close(22) = -1 EBADF (Bad file descriptor)
[pid 5358] close(23) = -1 EBADF (Bad file descriptor)
[pid 5358] close(24) = -1 EBADF (Bad file descriptor)
[pid 5358] close(25) = -1 EBADF (Bad file descriptor)
[pid 5358] close(26) = -1 EBADF (Bad file descriptor)
[pid 5358] close(27) = -1 EBADF (Bad file descriptor)
[pid 5358] close(28) = -1 EBADF (Bad file descriptor)
[pid 5358] close(29) = -1 EBADF (Bad file descriptor)
[pid 5358] exit_group(0) = ?
[pid 5358] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./356", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./356/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./356/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./356/cgroup.cpu") = 0
[pid 5000] umount2("./356/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./356/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./356/binderfs") = 0
[pid 5000] umount2("./356/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./356/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./356/cgroup") = 0
[pid 5000] umount2("./356/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./356/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./356/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./356") = 0
[pid 5000] mkdir("./357", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 359
./strace-static-x86_64: Process 5359 attached
[pid 5359] chdir("./357") = 0
[pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5359] setpgid(0, 0) = 0
[pid 5359] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5359] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5359] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5359] write(3, "1000", 4) = 4
[pid 5359] close(3) = 0
[pid 5359] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5359] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5359] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5359] openat(3, "freezer.state", O_RDWR) = 4
[pid 5359] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5359] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5359] close(3) = 0
[pid 5359] close(4) = 0
[pid 5359] close(5) = -1 EBADF (Bad file descriptor)
[pid 5359] close(6) = -1 EBADF (Bad file descriptor)
[pid 5359] close(7) = -1 EBADF (Bad file descriptor)
[pid 5359] close(8) = -1 EBADF (Bad file descriptor)
[pid 5359] close(9) = -1 EBADF (Bad file descriptor)
[pid 5359] close(10) = -1 EBADF (Bad file descriptor)
[pid 5359] close(11) = -1 EBADF (Bad file descriptor)
[pid 5359] close(12) = -1 EBADF (Bad file descriptor)
[pid 5359] close(13) = -1 EBADF (Bad file descriptor)
[pid 5359] close(14) = -1 EBADF (Bad file descriptor)
[pid 5359] close(15) = -1 EBADF (Bad file descriptor)
[pid 5359] close(16) = -1 EBADF (Bad file descriptor)
[pid 5359] close(17) = -1 EBADF (Bad file descriptor)
[pid 5359] close(18) = -1 EBADF (Bad file descriptor)
[pid 5359] close(19) = -1 EBADF (Bad file descriptor)
[pid 5359] close(20) = -1 EBADF (Bad file descriptor)
[pid 5359] close(21) = -1 EBADF (Bad file descriptor)
[pid 5359] close(22) = -1 EBADF (Bad file descriptor)
[pid 5359] close(23) = -1 EBADF (Bad file descriptor)
[pid 5359] close(24) = -1 EBADF (Bad file descriptor)
[pid 5359] close(25) = -1 EBADF (Bad file descriptor)
[pid 5359] close(26) = -1 EBADF (Bad file descriptor)
[pid 5359] close(27) = -1 EBADF (Bad file descriptor)
[pid 5359] close(28) = -1 EBADF (Bad file descriptor)
[pid 5359] close(29) = -1 EBADF (Bad file descriptor)
[pid 5359] exit_group(0) = ?
[pid 5359] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./357", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./357/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./357/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./357/cgroup.cpu") = 0
[pid 5000] umount2("./357/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./357/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./357/binderfs") = 0
[pid 5000] umount2("./357/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./357/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./357/cgroup") = 0
[pid 5000] umount2("./357/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./357/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./357/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./357") = 0
[pid 5000] mkdir("./358", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5360 attached
<unfinished ...>
[pid 5360] chdir("./358" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 360
[pid 5360] <... chdir resumed>) = 0
[pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5360] setpgid(0, 0) = 0
[pid 5360] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5360] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5360] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5360] write(3, "1000", 4) = 4
[pid 5360] close(3) = 0
[pid 5360] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5360] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5360] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5360] openat(3, "freezer.state", O_RDWR) = 4
[pid 5360] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5360] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5360] close(3) = 0
[pid 5360] close(4) = 0
[pid 5360] close(5) = -1 EBADF (Bad file descriptor)
[pid 5360] close(6) = -1 EBADF (Bad file descriptor)
[pid 5360] close(7) = -1 EBADF (Bad file descriptor)
[pid 5360] close(8) = -1 EBADF (Bad file descriptor)
[pid 5360] close(9) = -1 EBADF (Bad file descriptor)
[pid 5360] close(10) = -1 EBADF (Bad file descriptor)
[pid 5360] close(11) = -1 EBADF (Bad file descriptor)
[pid 5360] close(12) = -1 EBADF (Bad file descriptor)
[pid 5360] close(13) = -1 EBADF (Bad file descriptor)
[pid 5360] close(14) = -1 EBADF (Bad file descriptor)
[pid 5360] close(15) = -1 EBADF (Bad file descriptor)
[pid 5360] close(16) = -1 EBADF (Bad file descriptor)
[pid 5360] close(17) = -1 EBADF (Bad file descriptor)
[pid 5360] close(18) = -1 EBADF (Bad file descriptor)
[pid 5360] close(19) = -1 EBADF (Bad file descriptor)
[pid 5360] close(20) = -1 EBADF (Bad file descriptor)
[pid 5360] close(21) = -1 EBADF (Bad file descriptor)
[pid 5360] close(22) = -1 EBADF (Bad file descriptor)
[pid 5360] close(23) = -1 EBADF (Bad file descriptor)
[pid 5360] close(24) = -1 EBADF (Bad file descriptor)
[pid 5360] close(25) = -1 EBADF (Bad file descriptor)
[pid 5360] close(26) = -1 EBADF (Bad file descriptor)
[pid 5360] close(27) = -1 EBADF (Bad file descriptor)
[pid 5360] close(28) = -1 EBADF (Bad file descriptor)
[pid 5360] close(29) = -1 EBADF (Bad file descriptor)
[pid 5360] exit_group(0) = ?
[pid 5360] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./358", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./358", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./358/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./358/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./358/cgroup.cpu") = 0
[pid 5000] umount2("./358/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./358/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./358/binderfs") = 0
[pid 5000] umount2("./358/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./358/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./358/cgroup") = 0
[pid 5000] umount2("./358/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./358/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./358/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./358") = 0
[pid 5000] mkdir("./359", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 361
./strace-static-x86_64: Process 5361 attached
[pid 5361] chdir("./359") = 0
[pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5361] setpgid(0, 0) = 0
[pid 5361] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5361] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5361] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5361] write(3, "1000", 4) = 4
[pid 5361] close(3) = 0
[pid 5361] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5361] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5361] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5361] openat(3, "freezer.state", O_RDWR) = 4
[pid 5361] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5361] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5361] close(3) = 0
[pid 5361] close(4) = 0
[pid 5361] close(5) = -1 EBADF (Bad file descriptor)
[pid 5361] close(6) = -1 EBADF (Bad file descriptor)
[pid 5361] close(7) = -1 EBADF (Bad file descriptor)
[pid 5361] close(8) = -1 EBADF (Bad file descriptor)
[pid 5361] close(9) = -1 EBADF (Bad file descriptor)
[pid 5361] close(10) = -1 EBADF (Bad file descriptor)
[pid 5361] close(11) = -1 EBADF (Bad file descriptor)
[pid 5361] close(12) = -1 EBADF (Bad file descriptor)
[pid 5361] close(13) = -1 EBADF (Bad file descriptor)
[pid 5361] close(14) = -1 EBADF (Bad file descriptor)
[pid 5361] close(15) = -1 EBADF (Bad file descriptor)
[pid 5361] close(16) = -1 EBADF (Bad file descriptor)
[pid 5361] close(17) = -1 EBADF (Bad file descriptor)
[pid 5361] close(18) = -1 EBADF (Bad file descriptor)
[pid 5361] close(19) = -1 EBADF (Bad file descriptor)
[pid 5361] close(20) = -1 EBADF (Bad file descriptor)
[pid 5361] close(21) = -1 EBADF (Bad file descriptor)
[pid 5361] close(22) = -1 EBADF (Bad file descriptor)
[pid 5361] close(23) = -1 EBADF (Bad file descriptor)
[pid 5361] close(24) = -1 EBADF (Bad file descriptor)
[pid 5361] close(25) = -1 EBADF (Bad file descriptor)
[pid 5361] close(26) = -1 EBADF (Bad file descriptor)
[pid 5361] close(27) = -1 EBADF (Bad file descriptor)
[pid 5361] close(28) = -1 EBADF (Bad file descriptor)
[pid 5361] close(29) = -1 EBADF (Bad file descriptor)
[pid 5361] exit_group(0) = ?
[pid 5361] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./359", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./359", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./359/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./359/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./359/cgroup.cpu") = 0
[pid 5000] umount2("./359/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./359/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./359/binderfs") = 0
[pid 5000] umount2("./359/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./359/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./359/cgroup") = 0
[pid 5000] umount2("./359/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./359/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./359/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./359") = 0
[pid 5000] mkdir("./360", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5362 attached
, child_tidptr=0x55555723f5d0) = 362
[pid 5362] chdir("./360") = 0
[pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5362] setpgid(0, 0) = 0
[pid 5362] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5362] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5362] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5362] write(3, "1000", 4) = 4
[pid 5362] close(3) = 0
[pid 5362] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5362] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5362] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5362] openat(3, "freezer.state", O_RDWR) = 4
[pid 5362] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5362] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5362] close(3) = 0
[pid 5362] close(4) = 0
[pid 5362] close(5) = -1 EBADF (Bad file descriptor)
[pid 5362] close(6) = -1 EBADF (Bad file descriptor)
[pid 5362] close(7) = -1 EBADF (Bad file descriptor)
[pid 5362] close(8) = -1 EBADF (Bad file descriptor)
[pid 5362] close(9) = -1 EBADF (Bad file descriptor)
[pid 5362] close(10) = -1 EBADF (Bad file descriptor)
[pid 5362] close(11) = -1 EBADF (Bad file descriptor)
[pid 5362] close(12) = -1 EBADF (Bad file descriptor)
[pid 5362] close(13) = -1 EBADF (Bad file descriptor)
[pid 5362] close(14) = -1 EBADF (Bad file descriptor)
[pid 5362] close(15) = -1 EBADF (Bad file descriptor)
[pid 5362] close(16) = -1 EBADF (Bad file descriptor)
[pid 5362] close(17) = -1 EBADF (Bad file descriptor)
[pid 5362] close(18) = -1 EBADF (Bad file descriptor)
[pid 5362] close(19) = -1 EBADF (Bad file descriptor)
[pid 5362] close(20) = -1 EBADF (Bad file descriptor)
[pid 5362] close(21) = -1 EBADF (Bad file descriptor)
[pid 5362] close(22) = -1 EBADF (Bad file descriptor)
[pid 5362] close(23) = -1 EBADF (Bad file descriptor)
[pid 5362] close(24) = -1 EBADF (Bad file descriptor)
[pid 5362] close(25) = -1 EBADF (Bad file descriptor)
[pid 5362] close(26) = -1 EBADF (Bad file descriptor)
[pid 5362] close(27) = -1 EBADF (Bad file descriptor)
[pid 5362] close(28) = -1 EBADF (Bad file descriptor)
[pid 5362] close(29) = -1 EBADF (Bad file descriptor)
[pid 5362] exit_group(0) = ?
[pid 5362] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./360", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./360", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./360/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./360/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./360/cgroup.cpu") = 0
[pid 5000] umount2("./360/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./360/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./360/binderfs") = 0
[pid 5000] umount2("./360/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./360/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./360/cgroup") = 0
[pid 5000] umount2("./360/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./360/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./360/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./360") = 0
[pid 5000] mkdir("./361", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5363 attached
<unfinished ...>
[pid 5363] chdir("./361" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 363
[pid 5363] <... chdir resumed>) = 0
[pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5363] setpgid(0, 0) = 0
[pid 5363] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5363] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5363] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5363] write(3, "1000", 4) = 4
[pid 5363] close(3) = 0
[pid 5363] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5363] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5363] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5363] openat(3, "freezer.state", O_RDWR) = 4
[pid 5363] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5363] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5363] close(3) = 0
[pid 5363] close(4) = 0
[pid 5363] close(5) = -1 EBADF (Bad file descriptor)
[pid 5363] close(6) = -1 EBADF (Bad file descriptor)
[pid 5363] close(7) = -1 EBADF (Bad file descriptor)
[pid 5363] close(8) = -1 EBADF (Bad file descriptor)
[pid 5363] close(9) = -1 EBADF (Bad file descriptor)
[pid 5363] close(10) = -1 EBADF (Bad file descriptor)
[pid 5363] close(11) = -1 EBADF (Bad file descriptor)
[pid 5363] close(12) = -1 EBADF (Bad file descriptor)
[pid 5363] close(13) = -1 EBADF (Bad file descriptor)
[pid 5363] close(14) = -1 EBADF (Bad file descriptor)
[pid 5363] close(15) = -1 EBADF (Bad file descriptor)
[pid 5363] close(16) = -1 EBADF (Bad file descriptor)
[pid 5363] close(17) = -1 EBADF (Bad file descriptor)
[pid 5363] close(18) = -1 EBADF (Bad file descriptor)
[pid 5363] close(19) = -1 EBADF (Bad file descriptor)
[pid 5363] close(20) = -1 EBADF (Bad file descriptor)
[pid 5363] close(21) = -1 EBADF (Bad file descriptor)
[pid 5363] close(22) = -1 EBADF (Bad file descriptor)
[pid 5363] close(23) = -1 EBADF (Bad file descriptor)
[pid 5363] close(24) = -1 EBADF (Bad file descriptor)
[pid 5363] close(25) = -1 EBADF (Bad file descriptor)
[pid 5363] close(26) = -1 EBADF (Bad file descriptor)
[pid 5363] close(27) = -1 EBADF (Bad file descriptor)
[pid 5363] close(28) = -1 EBADF (Bad file descriptor)
[pid 5363] close(29) = -1 EBADF (Bad file descriptor)
[pid 5363] exit_group(0) = ?
[pid 5363] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./361", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./361", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./361/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./361/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./361/cgroup.cpu") = 0
[pid 5000] umount2("./361/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./361/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./361/binderfs") = 0
[pid 5000] umount2("./361/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./361/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./361/cgroup") = 0
[pid 5000] umount2("./361/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./361/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./361/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./361") = 0
[pid 5000] mkdir("./362", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5364 attached
<unfinished ...>
[pid 5364] chdir("./362") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 364
[pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5364] setpgid(0, 0) = 0
[pid 5364] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5364] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5364] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5364] write(3, "1000", 4) = 4
[pid 5364] close(3) = 0
[pid 5364] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5364] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5364] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5364] openat(3, "freezer.state", O_RDWR) = 4
[pid 5364] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5364] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5364] close(3) = 0
[pid 5364] close(4) = 0
[pid 5364] close(5) = -1 EBADF (Bad file descriptor)
[pid 5364] close(6) = -1 EBADF (Bad file descriptor)
[pid 5364] close(7) = -1 EBADF (Bad file descriptor)
[pid 5364] close(8) = -1 EBADF (Bad file descriptor)
[pid 5364] close(9) = -1 EBADF (Bad file descriptor)
[pid 5364] close(10) = -1 EBADF (Bad file descriptor)
[pid 5364] close(11) = -1 EBADF (Bad file descriptor)
[pid 5364] close(12) = -1 EBADF (Bad file descriptor)
[pid 5364] close(13) = -1 EBADF (Bad file descriptor)
[pid 5364] close(14) = -1 EBADF (Bad file descriptor)
[pid 5364] close(15) = -1 EBADF (Bad file descriptor)
[pid 5364] close(16) = -1 EBADF (Bad file descriptor)
[pid 5364] close(17) = -1 EBADF (Bad file descriptor)
[pid 5364] close(18) = -1 EBADF (Bad file descriptor)
[pid 5364] close(19) = -1 EBADF (Bad file descriptor)
[pid 5364] close(20) = -1 EBADF (Bad file descriptor)
[pid 5364] close(21) = -1 EBADF (Bad file descriptor)
[pid 5364] close(22) = -1 EBADF (Bad file descriptor)
[pid 5364] close(23) = -1 EBADF (Bad file descriptor)
[pid 5364] close(24) = -1 EBADF (Bad file descriptor)
[pid 5364] close(25) = -1 EBADF (Bad file descriptor)
[pid 5364] close(26) = -1 EBADF (Bad file descriptor)
[pid 5364] close(27) = -1 EBADF (Bad file descriptor)
[pid 5364] close(28) = -1 EBADF (Bad file descriptor)
[pid 5364] close(29) = -1 EBADF (Bad file descriptor)
[pid 5364] exit_group(0) = ?
[pid 5364] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./362", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./362", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./362/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./362/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./362/cgroup.cpu") = 0
[pid 5000] umount2("./362/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./362/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./362/binderfs") = 0
[pid 5000] umount2("./362/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./362/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./362/cgroup") = 0
[pid 5000] umount2("./362/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./362/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./362/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./362") = 0
[pid 5000] mkdir("./363", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5365 attached
<unfinished ...>
[pid 5365] chdir("./363" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 365
[pid 5365] <... chdir resumed>) = 0
[pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5365] setpgid(0, 0) = 0
[pid 5365] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5365] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5365] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5365] write(3, "1000", 4) = 4
[pid 5365] close(3) = 0
[pid 5365] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5365] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5365] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5365] openat(3, "freezer.state", O_RDWR) = 4
[pid 5365] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5365] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5365] close(3) = 0
[pid 5365] close(4) = 0
[pid 5365] close(5) = -1 EBADF (Bad file descriptor)
[pid 5365] close(6) = -1 EBADF (Bad file descriptor)
[pid 5365] close(7) = -1 EBADF (Bad file descriptor)
[pid 5365] close(8) = -1 EBADF (Bad file descriptor)
[pid 5365] close(9) = -1 EBADF (Bad file descriptor)
[pid 5365] close(10) = -1 EBADF (Bad file descriptor)
[pid 5365] close(11) = -1 EBADF (Bad file descriptor)
[pid 5365] close(12) = -1 EBADF (Bad file descriptor)
[pid 5365] close(13) = -1 EBADF (Bad file descriptor)
[pid 5365] close(14) = -1 EBADF (Bad file descriptor)
[pid 5365] close(15) = -1 EBADF (Bad file descriptor)
[pid 5365] close(16) = -1 EBADF (Bad file descriptor)
[pid 5365] close(17) = -1 EBADF (Bad file descriptor)
[pid 5365] close(18) = -1 EBADF (Bad file descriptor)
[pid 5365] close(19) = -1 EBADF (Bad file descriptor)
[pid 5365] close(20) = -1 EBADF (Bad file descriptor)
[pid 5365] close(21) = -1 EBADF (Bad file descriptor)
[pid 5365] close(22) = -1 EBADF (Bad file descriptor)
[pid 5365] close(23) = -1 EBADF (Bad file descriptor)
[pid 5365] close(24) = -1 EBADF (Bad file descriptor)
[pid 5365] close(25) = -1 EBADF (Bad file descriptor)
[pid 5365] close(26) = -1 EBADF (Bad file descriptor)
[pid 5365] close(27) = -1 EBADF (Bad file descriptor)
[pid 5365] close(28) = -1 EBADF (Bad file descriptor)
[pid 5365] close(29) = -1 EBADF (Bad file descriptor)
[pid 5365] exit_group(0) = ?
[pid 5365] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./363", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./363", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./363/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./363/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./363/cgroup.cpu") = 0
[pid 5000] umount2("./363/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./363/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./363/binderfs") = 0
[pid 5000] umount2("./363/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./363/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./363/cgroup") = 0
[pid 5000] umount2("./363/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./363/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./363/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./363") = 0
[pid 5000] mkdir("./364", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5366 attached
<unfinished ...>
[pid 5366] chdir("./364") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 366
[pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5366] setpgid(0, 0) = 0
[pid 5366] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5366] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5366] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5366] write(3, "1000", 4) = 4
[pid 5366] close(3) = 0
[pid 5366] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5366] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5366] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5366] openat(3, "freezer.state", O_RDWR) = 4
[pid 5366] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5366] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5366] close(3) = 0
[pid 5366] close(4) = 0
[pid 5366] close(5) = -1 EBADF (Bad file descriptor)
[pid 5366] close(6) = -1 EBADF (Bad file descriptor)
[pid 5366] close(7) = -1 EBADF (Bad file descriptor)
[pid 5366] close(8) = -1 EBADF (Bad file descriptor)
[pid 5366] close(9) = -1 EBADF (Bad file descriptor)
[pid 5366] close(10) = -1 EBADF (Bad file descriptor)
[pid 5366] close(11) = -1 EBADF (Bad file descriptor)
[pid 5366] close(12) = -1 EBADF (Bad file descriptor)
[pid 5366] close(13) = -1 EBADF (Bad file descriptor)
[pid 5366] close(14) = -1 EBADF (Bad file descriptor)
[pid 5366] close(15) = -1 EBADF (Bad file descriptor)
[pid 5366] close(16) = -1 EBADF (Bad file descriptor)
[pid 5366] close(17) = -1 EBADF (Bad file descriptor)
[pid 5366] close(18) = -1 EBADF (Bad file descriptor)
[pid 5366] close(19) = -1 EBADF (Bad file descriptor)
[pid 5366] close(20) = -1 EBADF (Bad file descriptor)
[pid 5366] close(21) = -1 EBADF (Bad file descriptor)
[pid 5366] close(22) = -1 EBADF (Bad file descriptor)
[pid 5366] close(23) = -1 EBADF (Bad file descriptor)
[pid 5366] close(24) = -1 EBADF (Bad file descriptor)
[pid 5366] close(25) = -1 EBADF (Bad file descriptor)
[pid 5366] close(26) = -1 EBADF (Bad file descriptor)
[pid 5366] close(27) = -1 EBADF (Bad file descriptor)
[pid 5366] close(28) = -1 EBADF (Bad file descriptor)
[pid 5366] close(29) = -1 EBADF (Bad file descriptor)
[pid 5366] exit_group(0) = ?
[pid 5366] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./364", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./364", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./364/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./364/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./364/cgroup.cpu") = 0
[pid 5000] umount2("./364/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./364/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./364/binderfs") = 0
[pid 5000] umount2("./364/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./364/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./364/cgroup") = 0
[pid 5000] umount2("./364/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./364/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./364/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./364") = 0
[pid 5000] mkdir("./365", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5367 attached
<unfinished ...>
[pid 5367] chdir("./365") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 367
[pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5367] setpgid(0, 0) = 0
[pid 5367] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5367] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5367] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5367] write(3, "1000", 4) = 4
[pid 5367] close(3) = 0
[pid 5367] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5367] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5367] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5367] openat(3, "freezer.state", O_RDWR) = 4
[pid 5367] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5367] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5367] close(3) = 0
[pid 5367] close(4) = 0
[pid 5367] close(5) = -1 EBADF (Bad file descriptor)
[pid 5367] close(6) = -1 EBADF (Bad file descriptor)
[pid 5367] close(7) = -1 EBADF (Bad file descriptor)
[pid 5367] close(8) = -1 EBADF (Bad file descriptor)
[pid 5367] close(9) = -1 EBADF (Bad file descriptor)
[pid 5367] close(10) = -1 EBADF (Bad file descriptor)
[pid 5367] close(11) = -1 EBADF (Bad file descriptor)
[pid 5367] close(12) = -1 EBADF (Bad file descriptor)
[pid 5367] close(13) = -1 EBADF (Bad file descriptor)
[pid 5367] close(14) = -1 EBADF (Bad file descriptor)
[pid 5367] close(15) = -1 EBADF (Bad file descriptor)
[pid 5367] close(16) = -1 EBADF (Bad file descriptor)
[pid 5367] close(17) = -1 EBADF (Bad file descriptor)
[pid 5367] close(18) = -1 EBADF (Bad file descriptor)
[pid 5367] close(19) = -1 EBADF (Bad file descriptor)
[pid 5367] close(20) = -1 EBADF (Bad file descriptor)
[pid 5367] close(21) = -1 EBADF (Bad file descriptor)
[pid 5367] close(22) = -1 EBADF (Bad file descriptor)
[pid 5367] close(23) = -1 EBADF (Bad file descriptor)
[pid 5367] close(24) = -1 EBADF (Bad file descriptor)
[pid 5367] close(25) = -1 EBADF (Bad file descriptor)
[pid 5367] close(26) = -1 EBADF (Bad file descriptor)
[pid 5367] close(27) = -1 EBADF (Bad file descriptor)
[pid 5367] close(28) = -1 EBADF (Bad file descriptor)
[pid 5367] close(29) = -1 EBADF (Bad file descriptor)
[pid 5367] exit_group(0) = ?
[pid 5367] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./365", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./365", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./365/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./365/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./365/cgroup.cpu") = 0
[pid 5000] umount2("./365/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./365/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./365/binderfs") = 0
[pid 5000] umount2("./365/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./365/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./365/cgroup") = 0
[pid 5000] umount2("./365/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./365/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./365/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./365") = 0
[pid 5000] mkdir("./366", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5368 attached
<unfinished ...>
[pid 5368] chdir("./366") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 368
[pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5368] setpgid(0, 0) = 0
[pid 5368] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5368] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5368] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5368] write(3, "1000", 4) = 4
[pid 5368] close(3) = 0
[pid 5368] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5368] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5368] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5368] openat(3, "freezer.state", O_RDWR) = 4
[pid 5368] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5368] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5368] close(3) = 0
[pid 5368] close(4) = 0
[pid 5368] close(5) = -1 EBADF (Bad file descriptor)
[pid 5368] close(6) = -1 EBADF (Bad file descriptor)
[pid 5368] close(7) = -1 EBADF (Bad file descriptor)
[pid 5368] close(8) = -1 EBADF (Bad file descriptor)
[pid 5368] close(9) = -1 EBADF (Bad file descriptor)
[pid 5368] close(10) = -1 EBADF (Bad file descriptor)
[pid 5368] close(11) = -1 EBADF (Bad file descriptor)
[pid 5368] close(12) = -1 EBADF (Bad file descriptor)
[pid 5368] close(13) = -1 EBADF (Bad file descriptor)
[pid 5368] close(14) = -1 EBADF (Bad file descriptor)
[pid 5368] close(15) = -1 EBADF (Bad file descriptor)
[pid 5368] close(16) = -1 EBADF (Bad file descriptor)
[pid 5368] close(17) = -1 EBADF (Bad file descriptor)
[pid 5368] close(18) = -1 EBADF (Bad file descriptor)
[pid 5368] close(19) = -1 EBADF (Bad file descriptor)
[pid 5368] close(20) = -1 EBADF (Bad file descriptor)
[pid 5368] close(21) = -1 EBADF (Bad file descriptor)
[pid 5368] close(22) = -1 EBADF (Bad file descriptor)
[pid 5368] close(23) = -1 EBADF (Bad file descriptor)
[pid 5368] close(24) = -1 EBADF (Bad file descriptor)
[pid 5368] close(25) = -1 EBADF (Bad file descriptor)
[pid 5368] close(26) = -1 EBADF (Bad file descriptor)
[pid 5368] close(27) = -1 EBADF (Bad file descriptor)
[pid 5368] close(28) = -1 EBADF (Bad file descriptor)
[pid 5368] close(29) = -1 EBADF (Bad file descriptor)
[pid 5368] exit_group(0) = ?
[pid 5368] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./366", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./366", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./366/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./366/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./366/cgroup.cpu") = 0
[pid 5000] umount2("./366/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./366/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./366/binderfs") = 0
[pid 5000] umount2("./366/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./366/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./366/cgroup") = 0
[pid 5000] umount2("./366/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./366/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./366/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./366") = 0
[pid 5000] mkdir("./367", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5369 attached
, child_tidptr=0x55555723f5d0) = 369
[pid 5369] chdir("./367") = 0
[pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5369] setpgid(0, 0) = 0
[pid 5369] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5369] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5369] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5369] write(3, "1000", 4) = 4
[pid 5369] close(3) = 0
[pid 5369] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5369] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5369] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5369] openat(3, "freezer.state", O_RDWR) = 4
[pid 5369] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5369] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5369] close(3) = 0
[pid 5369] close(4) = 0
[pid 5369] close(5) = -1 EBADF (Bad file descriptor)
[pid 5369] close(6) = -1 EBADF (Bad file descriptor)
[pid 5369] close(7) = -1 EBADF (Bad file descriptor)
[pid 5369] close(8) = -1 EBADF (Bad file descriptor)
[pid 5369] close(9) = -1 EBADF (Bad file descriptor)
[pid 5369] close(10) = -1 EBADF (Bad file descriptor)
[pid 5369] close(11) = -1 EBADF (Bad file descriptor)
[pid 5369] close(12) = -1 EBADF (Bad file descriptor)
[pid 5369] close(13) = -1 EBADF (Bad file descriptor)
[pid 5369] close(14) = -1 EBADF (Bad file descriptor)
[pid 5369] close(15) = -1 EBADF (Bad file descriptor)
[pid 5369] close(16) = -1 EBADF (Bad file descriptor)
[pid 5369] close(17) = -1 EBADF (Bad file descriptor)
[pid 5369] close(18) = -1 EBADF (Bad file descriptor)
[pid 5369] close(19) = -1 EBADF (Bad file descriptor)
[pid 5369] close(20) = -1 EBADF (Bad file descriptor)
[pid 5369] close(21) = -1 EBADF (Bad file descriptor)
[pid 5369] close(22) = -1 EBADF (Bad file descriptor)
[pid 5369] close(23) = -1 EBADF (Bad file descriptor)
[pid 5369] close(24) = -1 EBADF (Bad file descriptor)
[pid 5369] close(25) = -1 EBADF (Bad file descriptor)
[pid 5369] close(26) = -1 EBADF (Bad file descriptor)
[pid 5369] close(27) = -1 EBADF (Bad file descriptor)
[pid 5369] close(28) = -1 EBADF (Bad file descriptor)
[pid 5369] close(29) = -1 EBADF (Bad file descriptor)
[pid 5369] exit_group(0) = ?
[pid 5369] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./367", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./367", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./367/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./367/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./367/cgroup.cpu") = 0
[pid 5000] umount2("./367/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./367/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./367/binderfs") = 0
[pid 5000] umount2("./367/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./367/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./367/cgroup") = 0
[pid 5000] umount2("./367/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./367/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./367/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./367") = 0
[pid 5000] mkdir("./368", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 370
./strace-static-x86_64: Process 5370 attached
[pid 5370] chdir("./368") = 0
[pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5370] setpgid(0, 0) = 0
[pid 5370] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5370] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5370] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5370] write(3, "1000", 4) = 4
[pid 5370] close(3) = 0
[pid 5370] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5370] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5370] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5370] openat(3, "freezer.state", O_RDWR) = 4
[pid 5370] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5370] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5370] close(3) = 0
[pid 5370] close(4) = 0
[pid 5370] close(5) = -1 EBADF (Bad file descriptor)
[pid 5370] close(6) = -1 EBADF (Bad file descriptor)
[pid 5370] close(7) = -1 EBADF (Bad file descriptor)
[pid 5370] close(8) = -1 EBADF (Bad file descriptor)
[pid 5370] close(9) = -1 EBADF (Bad file descriptor)
[pid 5370] close(10) = -1 EBADF (Bad file descriptor)
[pid 5370] close(11) = -1 EBADF (Bad file descriptor)
[pid 5370] close(12) = -1 EBADF (Bad file descriptor)
[pid 5370] close(13) = -1 EBADF (Bad file descriptor)
[pid 5370] close(14) = -1 EBADF (Bad file descriptor)
[pid 5370] close(15) = -1 EBADF (Bad file descriptor)
[pid 5370] close(16) = -1 EBADF (Bad file descriptor)
[pid 5370] close(17) = -1 EBADF (Bad file descriptor)
[pid 5370] close(18) = -1 EBADF (Bad file descriptor)
[pid 5370] close(19) = -1 EBADF (Bad file descriptor)
[pid 5370] close(20) = -1 EBADF (Bad file descriptor)
[pid 5370] close(21) = -1 EBADF (Bad file descriptor)
[pid 5370] close(22) = -1 EBADF (Bad file descriptor)
[pid 5370] close(23) = -1 EBADF (Bad file descriptor)
[pid 5370] close(24) = -1 EBADF (Bad file descriptor)
[pid 5370] close(25) = -1 EBADF (Bad file descriptor)
[pid 5370] close(26) = -1 EBADF (Bad file descriptor)
[pid 5370] close(27) = -1 EBADF (Bad file descriptor)
[pid 5370] close(28) = -1 EBADF (Bad file descriptor)
[pid 5370] close(29) = -1 EBADF (Bad file descriptor)
[pid 5370] exit_group(0) = ?
[pid 5370] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./368", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./368", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./368/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./368/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./368/cgroup.cpu") = 0
[pid 5000] umount2("./368/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./368/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./368/binderfs") = 0
[pid 5000] umount2("./368/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./368/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./368/cgroup") = 0
[pid 5000] umount2("./368/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./368/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./368/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./368") = 0
[pid 5000] mkdir("./369", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 371
./strace-static-x86_64: Process 5371 attached
[pid 5371] chdir("./369") = 0
[pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5371] setpgid(0, 0) = 0
[pid 5371] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5371] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5371] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5371] write(3, "1000", 4) = 4
[pid 5371] close(3) = 0
[pid 5371] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5371] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5371] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5371] openat(3, "freezer.state", O_RDWR) = 4
[pid 5371] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5371] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5371] close(3) = 0
[pid 5371] close(4) = 0
[pid 5371] close(5) = -1 EBADF (Bad file descriptor)
[pid 5371] close(6) = -1 EBADF (Bad file descriptor)
[pid 5371] close(7) = -1 EBADF (Bad file descriptor)
[pid 5371] close(8) = -1 EBADF (Bad file descriptor)
[pid 5371] close(9) = -1 EBADF (Bad file descriptor)
[pid 5371] close(10) = -1 EBADF (Bad file descriptor)
[pid 5371] close(11) = -1 EBADF (Bad file descriptor)
[pid 5371] close(12) = -1 EBADF (Bad file descriptor)
[pid 5371] close(13) = -1 EBADF (Bad file descriptor)
[pid 5371] close(14) = -1 EBADF (Bad file descriptor)
[pid 5371] close(15) = -1 EBADF (Bad file descriptor)
[pid 5371] close(16) = -1 EBADF (Bad file descriptor)
[pid 5371] close(17) = -1 EBADF (Bad file descriptor)
[pid 5371] close(18) = -1 EBADF (Bad file descriptor)
[pid 5371] close(19) = -1 EBADF (Bad file descriptor)
[pid 5371] close(20) = -1 EBADF (Bad file descriptor)
[pid 5371] close(21) = -1 EBADF (Bad file descriptor)
[pid 5371] close(22) = -1 EBADF (Bad file descriptor)
[pid 5371] close(23) = -1 EBADF (Bad file descriptor)
[pid 5371] close(24) = -1 EBADF (Bad file descriptor)
[pid 5371] close(25) = -1 EBADF (Bad file descriptor)
[pid 5371] close(26) = -1 EBADF (Bad file descriptor)
[pid 5371] close(27) = -1 EBADF (Bad file descriptor)
[pid 5371] close(28) = -1 EBADF (Bad file descriptor)
[pid 5371] close(29) = -1 EBADF (Bad file descriptor)
[pid 5371] exit_group(0) = ?
[pid 5371] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./369", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./369", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./369/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./369/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./369/cgroup.cpu") = 0
[pid 5000] umount2("./369/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./369/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./369/binderfs") = 0
[pid 5000] umount2("./369/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./369/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./369/cgroup") = 0
[pid 5000] umount2("./369/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./369/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./369/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./369") = 0
[pid 5000] mkdir("./370", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5372 attached
<unfinished ...>
[pid 5372] chdir("./370") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 372
[pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5372] setpgid(0, 0) = 0
[pid 5372] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5372] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5372] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5372] write(3, "1000", 4) = 4
[pid 5372] close(3) = 0
[pid 5372] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5372] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5372] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5372] openat(3, "freezer.state", O_RDWR) = 4
[pid 5372] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5372] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5372] close(3) = 0
[pid 5372] close(4) = 0
[pid 5372] close(5) = -1 EBADF (Bad file descriptor)
[pid 5372] close(6) = -1 EBADF (Bad file descriptor)
[pid 5372] close(7) = -1 EBADF (Bad file descriptor)
[pid 5372] close(8) = -1 EBADF (Bad file descriptor)
[pid 5372] close(9) = -1 EBADF (Bad file descriptor)
[pid 5372] close(10) = -1 EBADF (Bad file descriptor)
[pid 5372] close(11) = -1 EBADF (Bad file descriptor)
[pid 5372] close(12) = -1 EBADF (Bad file descriptor)
[pid 5372] close(13) = -1 EBADF (Bad file descriptor)
[pid 5372] close(14) = -1 EBADF (Bad file descriptor)
[pid 5372] close(15) = -1 EBADF (Bad file descriptor)
[pid 5372] close(16) = -1 EBADF (Bad file descriptor)
[pid 5372] close(17) = -1 EBADF (Bad file descriptor)
[pid 5372] close(18) = -1 EBADF (Bad file descriptor)
[pid 5372] close(19) = -1 EBADF (Bad file descriptor)
[pid 5372] close(20) = -1 EBADF (Bad file descriptor)
[pid 5372] close(21) = -1 EBADF (Bad file descriptor)
[pid 5372] close(22) = -1 EBADF (Bad file descriptor)
[pid 5372] close(23) = -1 EBADF (Bad file descriptor)
[pid 5372] close(24) = -1 EBADF (Bad file descriptor)
[pid 5372] close(25) = -1 EBADF (Bad file descriptor)
[pid 5372] close(26) = -1 EBADF (Bad file descriptor)
[pid 5372] close(27) = -1 EBADF (Bad file descriptor)
[pid 5372] close(28) = -1 EBADF (Bad file descriptor)
[pid 5372] close(29) = -1 EBADF (Bad file descriptor)
[pid 5372] exit_group(0) = ?
[pid 5372] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./370", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./370", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./370/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./370/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./370/cgroup.cpu") = 0
[pid 5000] umount2("./370/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./370/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./370/binderfs") = 0
[pid 5000] umount2("./370/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./370/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./370/cgroup") = 0
[pid 5000] umount2("./370/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./370/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./370/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./370") = 0
[pid 5000] mkdir("./371", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5373 attached
<unfinished ...>
[pid 5373] chdir("./371") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 373
[pid 5373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5373] setpgid(0, 0) = 0
[pid 5373] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5373] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5373] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5373] write(3, "1000", 4) = 4
[pid 5373] close(3) = 0
[pid 5373] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5373] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5373] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5373] openat(3, "freezer.state", O_RDWR) = 4
[pid 5373] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5373] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5373] close(3) = 0
[pid 5373] close(4) = 0
[pid 5373] close(5) = -1 EBADF (Bad file descriptor)
[pid 5373] close(6) = -1 EBADF (Bad file descriptor)
[pid 5373] close(7) = -1 EBADF (Bad file descriptor)
[pid 5373] close(8) = -1 EBADF (Bad file descriptor)
[pid 5373] close(9) = -1 EBADF (Bad file descriptor)
[pid 5373] close(10) = -1 EBADF (Bad file descriptor)
[pid 5373] close(11) = -1 EBADF (Bad file descriptor)
[pid 5373] close(12) = -1 EBADF (Bad file descriptor)
[pid 5373] close(13) = -1 EBADF (Bad file descriptor)
[pid 5373] close(14) = -1 EBADF (Bad file descriptor)
[pid 5373] close(15) = -1 EBADF (Bad file descriptor)
[pid 5373] close(16) = -1 EBADF (Bad file descriptor)
[pid 5373] close(17) = -1 EBADF (Bad file descriptor)
[pid 5373] close(18) = -1 EBADF (Bad file descriptor)
[pid 5373] close(19) = -1 EBADF (Bad file descriptor)
[pid 5373] close(20) = -1 EBADF (Bad file descriptor)
[pid 5373] close(21) = -1 EBADF (Bad file descriptor)
[pid 5373] close(22) = -1 EBADF (Bad file descriptor)
[pid 5373] close(23) = -1 EBADF (Bad file descriptor)
[pid 5373] close(24) = -1 EBADF (Bad file descriptor)
[pid 5373] close(25) = -1 EBADF (Bad file descriptor)
[pid 5373] close(26) = -1 EBADF (Bad file descriptor)
[pid 5373] close(27) = -1 EBADF (Bad file descriptor)
[pid 5373] close(28) = -1 EBADF (Bad file descriptor)
[pid 5373] close(29) = -1 EBADF (Bad file descriptor)
[pid 5373] exit_group(0) = ?
[pid 5373] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./371", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./371", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./371/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./371/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./371/cgroup.cpu") = 0
[pid 5000] umount2("./371/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./371/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./371/binderfs") = 0
[pid 5000] umount2("./371/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./371/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./371/cgroup") = 0
[pid 5000] umount2("./371/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./371/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./371/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./371") = 0
[pid 5000] mkdir("./372", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5374 attached
<unfinished ...>
[pid 5374] chdir("./372") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 374
[pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5374] setpgid(0, 0) = 0
[pid 5374] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5374] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5374] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5374] write(3, "1000", 4) = 4
[pid 5374] close(3) = 0
[pid 5374] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5374] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5374] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5374] openat(3, "freezer.state", O_RDWR) = 4
[pid 5374] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5374] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5374] close(3) = 0
[pid 5374] close(4) = 0
[pid 5374] close(5) = -1 EBADF (Bad file descriptor)
[pid 5374] close(6) = -1 EBADF (Bad file descriptor)
[pid 5374] close(7) = -1 EBADF (Bad file descriptor)
[pid 5374] close(8) = -1 EBADF (Bad file descriptor)
[pid 5374] close(9) = -1 EBADF (Bad file descriptor)
[pid 5374] close(10) = -1 EBADF (Bad file descriptor)
[pid 5374] close(11) = -1 EBADF (Bad file descriptor)
[pid 5374] close(12) = -1 EBADF (Bad file descriptor)
[pid 5374] close(13) = -1 EBADF (Bad file descriptor)
[pid 5374] close(14) = -1 EBADF (Bad file descriptor)
[pid 5374] close(15) = -1 EBADF (Bad file descriptor)
[pid 5374] close(16) = -1 EBADF (Bad file descriptor)
[pid 5374] close(17) = -1 EBADF (Bad file descriptor)
[pid 5374] close(18) = -1 EBADF (Bad file descriptor)
[pid 5374] close(19) = -1 EBADF (Bad file descriptor)
[pid 5374] close(20) = -1 EBADF (Bad file descriptor)
[pid 5374] close(21) = -1 EBADF (Bad file descriptor)
[pid 5374] close(22) = -1 EBADF (Bad file descriptor)
[pid 5374] close(23) = -1 EBADF (Bad file descriptor)
[pid 5374] close(24) = -1 EBADF (Bad file descriptor)
[pid 5374] close(25) = -1 EBADF (Bad file descriptor)
[pid 5374] close(26) = -1 EBADF (Bad file descriptor)
[pid 5374] close(27) = -1 EBADF (Bad file descriptor)
[pid 5374] close(28) = -1 EBADF (Bad file descriptor)
[pid 5374] close(29) = -1 EBADF (Bad file descriptor)
[pid 5374] exit_group(0) = ?
[pid 5374] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./372", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./372", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./372/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./372/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./372/cgroup.cpu") = 0
[pid 5000] umount2("./372/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./372/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./372/binderfs") = 0
[pid 5000] umount2("./372/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./372/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./372/cgroup") = 0
[pid 5000] umount2("./372/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./372/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./372/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./372") = 0
[pid 5000] mkdir("./373", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5375 attached
<unfinished ...>
[pid 5375] chdir("./373" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 375
[pid 5375] <... chdir resumed>) = 0
[pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5375] setpgid(0, 0) = 0
[pid 5375] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5375] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5375] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5375] write(3, "1000", 4) = 4
[pid 5375] close(3) = 0
[pid 5375] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5375] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5375] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5375] openat(3, "freezer.state", O_RDWR) = 4
[pid 5375] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5375] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5375] close(3) = 0
[pid 5375] close(4) = 0
[pid 5375] close(5) = -1 EBADF (Bad file descriptor)
[pid 5375] close(6) = -1 EBADF (Bad file descriptor)
[pid 5375] close(7) = -1 EBADF (Bad file descriptor)
[pid 5375] close(8) = -1 EBADF (Bad file descriptor)
[pid 5375] close(9) = -1 EBADF (Bad file descriptor)
[pid 5375] close(10) = -1 EBADF (Bad file descriptor)
[pid 5375] close(11) = -1 EBADF (Bad file descriptor)
[pid 5375] close(12) = -1 EBADF (Bad file descriptor)
[pid 5375] close(13) = -1 EBADF (Bad file descriptor)
[pid 5375] close(14) = -1 EBADF (Bad file descriptor)
[pid 5375] close(15) = -1 EBADF (Bad file descriptor)
[pid 5375] close(16) = -1 EBADF (Bad file descriptor)
[pid 5375] close(17) = -1 EBADF (Bad file descriptor)
[pid 5375] close(18) = -1 EBADF (Bad file descriptor)
[pid 5375] close(19) = -1 EBADF (Bad file descriptor)
[pid 5375] close(20) = -1 EBADF (Bad file descriptor)
[pid 5375] close(21) = -1 EBADF (Bad file descriptor)
[pid 5375] close(22) = -1 EBADF (Bad file descriptor)
[pid 5375] close(23) = -1 EBADF (Bad file descriptor)
[pid 5375] close(24) = -1 EBADF (Bad file descriptor)
[pid 5375] close(25) = -1 EBADF (Bad file descriptor)
[pid 5375] close(26) = -1 EBADF (Bad file descriptor)
[pid 5375] close(27) = -1 EBADF (Bad file descriptor)
[pid 5375] close(28) = -1 EBADF (Bad file descriptor)
[pid 5375] close(29) = -1 EBADF (Bad file descriptor)
[pid 5375] exit_group(0) = ?
[pid 5375] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./373", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./373", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./373/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./373/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./373/cgroup.cpu") = 0
[pid 5000] umount2("./373/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./373/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./373/binderfs") = 0
[pid 5000] umount2("./373/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./373/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./373/cgroup") = 0
[pid 5000] umount2("./373/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./373/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./373/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./373") = 0
[pid 5000] mkdir("./374", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 376
./strace-static-x86_64: Process 5376 attached
[pid 5376] chdir("./374") = 0
[pid 5376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5376] setpgid(0, 0) = 0
[pid 5376] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5376] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5376] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5376] write(3, "1000", 4) = 4
[pid 5376] close(3) = 0
[pid 5376] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5376] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5376] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5376] openat(3, "freezer.state", O_RDWR) = 4
[pid 5376] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5376] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5376] close(3) = 0
[pid 5376] close(4) = 0
[pid 5376] close(5) = -1 EBADF (Bad file descriptor)
[pid 5376] close(6) = -1 EBADF (Bad file descriptor)
[pid 5376] close(7) = -1 EBADF (Bad file descriptor)
[pid 5376] close(8) = -1 EBADF (Bad file descriptor)
[pid 5376] close(9) = -1 EBADF (Bad file descriptor)
[pid 5376] close(10) = -1 EBADF (Bad file descriptor)
[pid 5376] close(11) = -1 EBADF (Bad file descriptor)
[pid 5376] close(12) = -1 EBADF (Bad file descriptor)
[pid 5376] close(13) = -1 EBADF (Bad file descriptor)
[pid 5376] close(14) = -1 EBADF (Bad file descriptor)
[pid 5376] close(15) = -1 EBADF (Bad file descriptor)
[pid 5376] close(16) = -1 EBADF (Bad file descriptor)
[pid 5376] close(17) = -1 EBADF (Bad file descriptor)
[pid 5376] close(18) = -1 EBADF (Bad file descriptor)
[pid 5376] close(19) = -1 EBADF (Bad file descriptor)
[pid 5376] close(20) = -1 EBADF (Bad file descriptor)
[pid 5376] close(21) = -1 EBADF (Bad file descriptor)
[pid 5376] close(22) = -1 EBADF (Bad file descriptor)
[pid 5376] close(23) = -1 EBADF (Bad file descriptor)
[pid 5376] close(24) = -1 EBADF (Bad file descriptor)
[pid 5376] close(25) = -1 EBADF (Bad file descriptor)
[pid 5376] close(26) = -1 EBADF (Bad file descriptor)
[pid 5376] close(27) = -1 EBADF (Bad file descriptor)
[pid 5376] close(28) = -1 EBADF (Bad file descriptor)
[pid 5376] close(29) = -1 EBADF (Bad file descriptor)
[pid 5376] exit_group(0) = ?
[pid 5376] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./374", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./374", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./374/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./374/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./374/cgroup.cpu") = 0
[pid 5000] umount2("./374/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./374/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./374/binderfs") = 0
[pid 5000] umount2("./374/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./374/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./374/cgroup") = 0
[pid 5000] umount2("./374/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./374/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./374/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./374") = 0
[pid 5000] mkdir("./375", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5377 attached
, child_tidptr=0x55555723f5d0) = 377
[pid 5377] chdir("./375") = 0
[pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5377] setpgid(0, 0) = 0
[pid 5377] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5377] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5377] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5377] write(3, "1000", 4) = 4
[pid 5377] close(3) = 0
[pid 5377] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5377] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5377] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5377] openat(3, "freezer.state", O_RDWR) = 4
[pid 5377] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5377] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5377] close(3) = 0
[pid 5377] close(4) = 0
[pid 5377] close(5) = -1 EBADF (Bad file descriptor)
[pid 5377] close(6) = -1 EBADF (Bad file descriptor)
[pid 5377] close(7) = -1 EBADF (Bad file descriptor)
[pid 5377] close(8) = -1 EBADF (Bad file descriptor)
[pid 5377] close(9) = -1 EBADF (Bad file descriptor)
[pid 5377] close(10) = -1 EBADF (Bad file descriptor)
[pid 5377] close(11) = -1 EBADF (Bad file descriptor)
[pid 5377] close(12) = -1 EBADF (Bad file descriptor)
[pid 5377] close(13) = -1 EBADF (Bad file descriptor)
[pid 5377] close(14) = -1 EBADF (Bad file descriptor)
[pid 5377] close(15) = -1 EBADF (Bad file descriptor)
[pid 5377] close(16) = -1 EBADF (Bad file descriptor)
[pid 5377] close(17) = -1 EBADF (Bad file descriptor)
[pid 5377] close(18) = -1 EBADF (Bad file descriptor)
[pid 5377] close(19) = -1 EBADF (Bad file descriptor)
[pid 5377] close(20) = -1 EBADF (Bad file descriptor)
[pid 5377] close(21) = -1 EBADF (Bad file descriptor)
[pid 5377] close(22) = -1 EBADF (Bad file descriptor)
[pid 5377] close(23) = -1 EBADF (Bad file descriptor)
[pid 5377] close(24) = -1 EBADF (Bad file descriptor)
[pid 5377] close(25) = -1 EBADF (Bad file descriptor)
[pid 5377] close(26) = -1 EBADF (Bad file descriptor)
[pid 5377] close(27) = -1 EBADF (Bad file descriptor)
[pid 5377] close(28) = -1 EBADF (Bad file descriptor)
[pid 5377] close(29) = -1 EBADF (Bad file descriptor)
[pid 5377] exit_group(0) = ?
[pid 5377] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./375", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./375", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./375/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./375/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./375/cgroup.cpu") = 0
[pid 5000] umount2("./375/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./375/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./375/binderfs") = 0
[pid 5000] umount2("./375/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./375/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./375/cgroup") = 0
[pid 5000] umount2("./375/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./375/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./375/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./375") = 0
[pid 5000] mkdir("./376", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 378
./strace-static-x86_64: Process 5378 attached
[pid 5378] chdir("./376") = 0
[pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5378] setpgid(0, 0) = 0
[pid 5378] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5378] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5378] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5378] write(3, "1000", 4) = 4
[pid 5378] close(3) = 0
[pid 5378] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5378] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5378] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5378] openat(3, "freezer.state", O_RDWR) = 4
[pid 5378] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5378] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5378] close(3) = 0
[pid 5378] close(4) = 0
[pid 5378] close(5) = -1 EBADF (Bad file descriptor)
[pid 5378] close(6) = -1 EBADF (Bad file descriptor)
[pid 5378] close(7) = -1 EBADF (Bad file descriptor)
[pid 5378] close(8) = -1 EBADF (Bad file descriptor)
[pid 5378] close(9) = -1 EBADF (Bad file descriptor)
[pid 5378] close(10) = -1 EBADF (Bad file descriptor)
[pid 5378] close(11) = -1 EBADF (Bad file descriptor)
[pid 5378] close(12) = -1 EBADF (Bad file descriptor)
[pid 5378] close(13) = -1 EBADF (Bad file descriptor)
[pid 5378] close(14) = -1 EBADF (Bad file descriptor)
[pid 5378] close(15) = -1 EBADF (Bad file descriptor)
[pid 5378] close(16) = -1 EBADF (Bad file descriptor)
[pid 5378] close(17) = -1 EBADF (Bad file descriptor)
[pid 5378] close(18) = -1 EBADF (Bad file descriptor)
[pid 5378] close(19) = -1 EBADF (Bad file descriptor)
[pid 5378] close(20) = -1 EBADF (Bad file descriptor)
[pid 5378] close(21) = -1 EBADF (Bad file descriptor)
[pid 5378] close(22) = -1 EBADF (Bad file descriptor)
[pid 5378] close(23) = -1 EBADF (Bad file descriptor)
[pid 5378] close(24) = -1 EBADF (Bad file descriptor)
[pid 5378] close(25) = -1 EBADF (Bad file descriptor)
[pid 5378] close(26) = -1 EBADF (Bad file descriptor)
[pid 5378] close(27) = -1 EBADF (Bad file descriptor)
[pid 5378] close(28) = -1 EBADF (Bad file descriptor)
[pid 5378] close(29) = -1 EBADF (Bad file descriptor)
[pid 5378] exit_group(0) = ?
[pid 5378] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./376", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./376", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./376/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./376/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./376/cgroup.cpu") = 0
[pid 5000] umount2("./376/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./376/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./376/binderfs") = 0
[pid 5000] umount2("./376/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./376/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./376/cgroup") = 0
[pid 5000] umount2("./376/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./376/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./376/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./376") = 0
[pid 5000] mkdir("./377", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 379
./strace-static-x86_64: Process 5379 attached
[pid 5379] chdir("./377") = 0
[pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5379] setpgid(0, 0) = 0
[pid 5379] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5379] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5379] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5379] write(3, "1000", 4) = 4
[pid 5379] close(3) = 0
[pid 5379] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5379] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5379] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5379] openat(3, "freezer.state", O_RDWR) = 4
[pid 5379] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5379] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5379] close(3) = 0
[pid 5379] close(4) = 0
[pid 5379] close(5) = -1 EBADF (Bad file descriptor)
[pid 5379] close(6) = -1 EBADF (Bad file descriptor)
[pid 5379] close(7) = -1 EBADF (Bad file descriptor)
[pid 5379] close(8) = -1 EBADF (Bad file descriptor)
[pid 5379] close(9) = -1 EBADF (Bad file descriptor)
[pid 5379] close(10) = -1 EBADF (Bad file descriptor)
[pid 5379] close(11) = -1 EBADF (Bad file descriptor)
[pid 5379] close(12) = -1 EBADF (Bad file descriptor)
[pid 5379] close(13) = -1 EBADF (Bad file descriptor)
[pid 5379] close(14) = -1 EBADF (Bad file descriptor)
[pid 5379] close(15) = -1 EBADF (Bad file descriptor)
[pid 5379] close(16) = -1 EBADF (Bad file descriptor)
[pid 5379] close(17) = -1 EBADF (Bad file descriptor)
[pid 5379] close(18) = -1 EBADF (Bad file descriptor)
[pid 5379] close(19) = -1 EBADF (Bad file descriptor)
[pid 5379] close(20) = -1 EBADF (Bad file descriptor)
[pid 5379] close(21) = -1 EBADF (Bad file descriptor)
[pid 5379] close(22) = -1 EBADF (Bad file descriptor)
[pid 5379] close(23) = -1 EBADF (Bad file descriptor)
[pid 5379] close(24) = -1 EBADF (Bad file descriptor)
[pid 5379] close(25) = -1 EBADF (Bad file descriptor)
[pid 5379] close(26) = -1 EBADF (Bad file descriptor)
[pid 5379] close(27) = -1 EBADF (Bad file descriptor)
[pid 5379] close(28) = -1 EBADF (Bad file descriptor)
[pid 5379] close(29) = -1 EBADF (Bad file descriptor)
[pid 5379] exit_group(0) = ?
[pid 5379] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./377", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./377", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./377/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./377/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./377/cgroup.cpu") = 0
[pid 5000] umount2("./377/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./377/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./377/binderfs") = 0
[pid 5000] umount2("./377/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./377/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./377/cgroup") = 0
[pid 5000] umount2("./377/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./377/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./377/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./377") = 0
[pid 5000] mkdir("./378", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 380
./strace-static-x86_64: Process 5380 attached
[pid 5380] chdir("./378") = 0
[pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5380] setpgid(0, 0) = 0
[pid 5380] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5380] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5380] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5380] write(3, "1000", 4) = 4
[pid 5380] close(3) = 0
[pid 5380] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5380] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5380] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5380] openat(3, "freezer.state", O_RDWR) = 4
[pid 5380] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5380] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5380] close(3) = 0
[pid 5380] close(4) = 0
[pid 5380] close(5) = -1 EBADF (Bad file descriptor)
[pid 5380] close(6) = -1 EBADF (Bad file descriptor)
[pid 5380] close(7) = -1 EBADF (Bad file descriptor)
[pid 5380] close(8) = -1 EBADF (Bad file descriptor)
[pid 5380] close(9) = -1 EBADF (Bad file descriptor)
[pid 5380] close(10) = -1 EBADF (Bad file descriptor)
[pid 5380] close(11) = -1 EBADF (Bad file descriptor)
[pid 5380] close(12) = -1 EBADF (Bad file descriptor)
[pid 5380] close(13) = -1 EBADF (Bad file descriptor)
[pid 5380] close(14) = -1 EBADF (Bad file descriptor)
[pid 5380] close(15) = -1 EBADF (Bad file descriptor)
[pid 5380] close(16) = -1 EBADF (Bad file descriptor)
[pid 5380] close(17) = -1 EBADF (Bad file descriptor)
[pid 5380] close(18) = -1 EBADF (Bad file descriptor)
[pid 5380] close(19) = -1 EBADF (Bad file descriptor)
[pid 5380] close(20) = -1 EBADF (Bad file descriptor)
[pid 5380] close(21) = -1 EBADF (Bad file descriptor)
[pid 5380] close(22) = -1 EBADF (Bad file descriptor)
[pid 5380] close(23) = -1 EBADF (Bad file descriptor)
[pid 5380] close(24) = -1 EBADF (Bad file descriptor)
[pid 5380] close(25) = -1 EBADF (Bad file descriptor)
[pid 5380] close(26) = -1 EBADF (Bad file descriptor)
[pid 5380] close(27) = -1 EBADF (Bad file descriptor)
[pid 5380] close(28) = -1 EBADF (Bad file descriptor)
[pid 5380] close(29) = -1 EBADF (Bad file descriptor)
[pid 5380] exit_group(0) = ?
[pid 5380] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./378", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./378", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./378/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./378/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./378/cgroup.cpu") = 0
[pid 5000] umount2("./378/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./378/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./378/binderfs") = 0
[pid 5000] umount2("./378/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./378/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./378/cgroup") = 0
[pid 5000] umount2("./378/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./378/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./378/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./378") = 0
[pid 5000] mkdir("./379", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5381 attached
<unfinished ...>
[pid 5381] chdir("./379") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 381
[pid 5381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5381] setpgid(0, 0) = 0
[pid 5381] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5381] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5381] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5381] write(3, "1000", 4) = 4
[pid 5381] close(3) = 0
[pid 5381] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5381] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5381] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5381] openat(3, "freezer.state", O_RDWR) = 4
[pid 5381] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5381] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5381] close(3) = 0
[pid 5381] close(4) = 0
[pid 5381] close(5) = -1 EBADF (Bad file descriptor)
[pid 5381] close(6) = -1 EBADF (Bad file descriptor)
[pid 5381] close(7) = -1 EBADF (Bad file descriptor)
[pid 5381] close(8) = -1 EBADF (Bad file descriptor)
[pid 5381] close(9) = -1 EBADF (Bad file descriptor)
[pid 5381] close(10) = -1 EBADF (Bad file descriptor)
[pid 5381] close(11) = -1 EBADF (Bad file descriptor)
[pid 5381] close(12) = -1 EBADF (Bad file descriptor)
[pid 5381] close(13) = -1 EBADF (Bad file descriptor)
[pid 5381] close(14) = -1 EBADF (Bad file descriptor)
[pid 5381] close(15) = -1 EBADF (Bad file descriptor)
[pid 5381] close(16) = -1 EBADF (Bad file descriptor)
[pid 5381] close(17) = -1 EBADF (Bad file descriptor)
[pid 5381] close(18) = -1 EBADF (Bad file descriptor)
[pid 5381] close(19) = -1 EBADF (Bad file descriptor)
[pid 5381] close(20) = -1 EBADF (Bad file descriptor)
[pid 5381] close(21) = -1 EBADF (Bad file descriptor)
[pid 5381] close(22) = -1 EBADF (Bad file descriptor)
[pid 5381] close(23) = -1 EBADF (Bad file descriptor)
[pid 5381] close(24) = -1 EBADF (Bad file descriptor)
[pid 5381] close(25) = -1 EBADF (Bad file descriptor)
[pid 5381] close(26) = -1 EBADF (Bad file descriptor)
[pid 5381] close(27) = -1 EBADF (Bad file descriptor)
[pid 5381] close(28) = -1 EBADF (Bad file descriptor)
[pid 5381] close(29) = -1 EBADF (Bad file descriptor)
[pid 5381] exit_group(0) = ?
[pid 5381] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./379", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./379", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./379/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./379/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./379/cgroup.cpu") = 0
[pid 5000] umount2("./379/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./379/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./379/binderfs") = 0
[pid 5000] umount2("./379/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./379/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./379/cgroup") = 0
[pid 5000] umount2("./379/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./379/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./379/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./379") = 0
[pid 5000] mkdir("./380", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5382 attached
<unfinished ...>
[pid 5382] chdir("./380") = 0
[pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5382] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 382
[pid 5382] <... setpgid resumed>) = 0
[pid 5382] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5382] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5382] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5382] write(3, "1000", 4) = 4
[pid 5382] close(3) = 0
[pid 5382] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5382] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5382] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5382] openat(3, "freezer.state", O_RDWR) = 4
[pid 5382] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5382] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5382] close(3) = 0
[pid 5382] close(4) = 0
[pid 5382] close(5) = -1 EBADF (Bad file descriptor)
[pid 5382] close(6) = -1 EBADF (Bad file descriptor)
[pid 5382] close(7) = -1 EBADF (Bad file descriptor)
[pid 5382] close(8) = -1 EBADF (Bad file descriptor)
[pid 5382] close(9) = -1 EBADF (Bad file descriptor)
[pid 5382] close(10) = -1 EBADF (Bad file descriptor)
[pid 5382] close(11) = -1 EBADF (Bad file descriptor)
[pid 5382] close(12) = -1 EBADF (Bad file descriptor)
[pid 5382] close(13) = -1 EBADF (Bad file descriptor)
[pid 5382] close(14) = -1 EBADF (Bad file descriptor)
[pid 5382] close(15) = -1 EBADF (Bad file descriptor)
[pid 5382] close(16) = -1 EBADF (Bad file descriptor)
[pid 5382] close(17) = -1 EBADF (Bad file descriptor)
[pid 5382] close(18) = -1 EBADF (Bad file descriptor)
[pid 5382] close(19) = -1 EBADF (Bad file descriptor)
[pid 5382] close(20) = -1 EBADF (Bad file descriptor)
[pid 5382] close(21) = -1 EBADF (Bad file descriptor)
[pid 5382] close(22) = -1 EBADF (Bad file descriptor)
[pid 5382] close(23) = -1 EBADF (Bad file descriptor)
[pid 5382] close(24) = -1 EBADF (Bad file descriptor)
[pid 5382] close(25) = -1 EBADF (Bad file descriptor)
[pid 5382] close(26) = -1 EBADF (Bad file descriptor)
[pid 5382] close(27) = -1 EBADF (Bad file descriptor)
[pid 5382] close(28) = -1 EBADF (Bad file descriptor)
[pid 5382] close(29) = -1 EBADF (Bad file descriptor)
[pid 5382] exit_group(0) = ?
[pid 5382] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./380", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./380", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./380/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./380/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./380/cgroup.cpu") = 0
[pid 5000] umount2("./380/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./380/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./380/binderfs") = 0
[pid 5000] umount2("./380/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./380/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./380/cgroup") = 0
[pid 5000] umount2("./380/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./380/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./380/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./380") = 0
[pid 5000] mkdir("./381", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5383 attached
<unfinished ...>
[pid 5383] chdir("./381") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 383
[pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5383] setpgid(0, 0) = 0
[pid 5383] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5383] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5383] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5383] write(3, "1000", 4) = 4
[pid 5383] close(3) = 0
[pid 5383] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5383] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5383] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5383] openat(3, "freezer.state", O_RDWR) = 4
[pid 5383] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5383] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5383] close(3) = 0
[pid 5383] close(4) = 0
[pid 5383] close(5) = -1 EBADF (Bad file descriptor)
[pid 5383] close(6) = -1 EBADF (Bad file descriptor)
[pid 5383] close(7) = -1 EBADF (Bad file descriptor)
[pid 5383] close(8) = -1 EBADF (Bad file descriptor)
[pid 5383] close(9) = -1 EBADF (Bad file descriptor)
[pid 5383] close(10) = -1 EBADF (Bad file descriptor)
[pid 5383] close(11) = -1 EBADF (Bad file descriptor)
[pid 5383] close(12) = -1 EBADF (Bad file descriptor)
[pid 5383] close(13) = -1 EBADF (Bad file descriptor)
[pid 5383] close(14) = -1 EBADF (Bad file descriptor)
[pid 5383] close(15) = -1 EBADF (Bad file descriptor)
[pid 5383] close(16) = -1 EBADF (Bad file descriptor)
[pid 5383] close(17) = -1 EBADF (Bad file descriptor)
[pid 5383] close(18) = -1 EBADF (Bad file descriptor)
[pid 5383] close(19) = -1 EBADF (Bad file descriptor)
[pid 5383] close(20) = -1 EBADF (Bad file descriptor)
[pid 5383] close(21) = -1 EBADF (Bad file descriptor)
[pid 5383] close(22) = -1 EBADF (Bad file descriptor)
[pid 5383] close(23) = -1 EBADF (Bad file descriptor)
[pid 5383] close(24) = -1 EBADF (Bad file descriptor)
[pid 5383] close(25) = -1 EBADF (Bad file descriptor)
[pid 5383] close(26) = -1 EBADF (Bad file descriptor)
[pid 5383] close(27) = -1 EBADF (Bad file descriptor)
[pid 5383] close(28) = -1 EBADF (Bad file descriptor)
[pid 5383] close(29) = -1 EBADF (Bad file descriptor)
[pid 5383] exit_group(0) = ?
[pid 5383] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./381", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./381", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./381/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./381/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./381/cgroup.cpu") = 0
[pid 5000] umount2("./381/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./381/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./381/binderfs") = 0
[pid 5000] umount2("./381/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./381/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./381/cgroup") = 0
[pid 5000] umount2("./381/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./381/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./381/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./381") = 0
[pid 5000] mkdir("./382", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5384 attached
<unfinished ...>
[pid 5384] chdir("./382" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 384
[pid 5384] <... chdir resumed>) = 0
[pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5384] setpgid(0, 0) = 0
[pid 5384] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5384] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5384] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5384] write(3, "1000", 4) = 4
[pid 5384] close(3) = 0
[pid 5384] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5384] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5384] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5384] openat(3, "freezer.state", O_RDWR) = 4
[pid 5384] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5384] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5384] close(3) = 0
[pid 5384] close(4) = 0
[pid 5384] close(5) = -1 EBADF (Bad file descriptor)
[pid 5384] close(6) = -1 EBADF (Bad file descriptor)
[pid 5384] close(7) = -1 EBADF (Bad file descriptor)
[pid 5384] close(8) = -1 EBADF (Bad file descriptor)
[pid 5384] close(9) = -1 EBADF (Bad file descriptor)
[pid 5384] close(10) = -1 EBADF (Bad file descriptor)
[pid 5384] close(11) = -1 EBADF (Bad file descriptor)
[pid 5384] close(12) = -1 EBADF (Bad file descriptor)
[pid 5384] close(13) = -1 EBADF (Bad file descriptor)
[pid 5384] close(14) = -1 EBADF (Bad file descriptor)
[pid 5384] close(15) = -1 EBADF (Bad file descriptor)
[pid 5384] close(16) = -1 EBADF (Bad file descriptor)
[pid 5384] close(17) = -1 EBADF (Bad file descriptor)
[pid 5384] close(18) = -1 EBADF (Bad file descriptor)
[pid 5384] close(19) = -1 EBADF (Bad file descriptor)
[pid 5384] close(20) = -1 EBADF (Bad file descriptor)
[pid 5384] close(21) = -1 EBADF (Bad file descriptor)
[pid 5384] close(22) = -1 EBADF (Bad file descriptor)
[pid 5384] close(23) = -1 EBADF (Bad file descriptor)
[pid 5384] close(24) = -1 EBADF (Bad file descriptor)
[pid 5384] close(25) = -1 EBADF (Bad file descriptor)
[pid 5384] close(26) = -1 EBADF (Bad file descriptor)
[pid 5384] close(27) = -1 EBADF (Bad file descriptor)
[pid 5384] close(28) = -1 EBADF (Bad file descriptor)
[pid 5384] close(29) = -1 EBADF (Bad file descriptor)
[pid 5384] exit_group(0) = ?
[pid 5384] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./382", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./382", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./382/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./382/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./382/cgroup.cpu") = 0
[pid 5000] umount2("./382/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./382/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./382/binderfs") = 0
[pid 5000] umount2("./382/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./382/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./382/cgroup") = 0
[pid 5000] umount2("./382/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./382/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./382/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./382") = 0
[pid 5000] mkdir("./383", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5385 attached
<unfinished ...>
[pid 5385] chdir("./383") = 0
[pid 5385] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 385
[pid 5385] <... prctl resumed>) = 0
[pid 5385] setpgid(0, 0) = 0
[pid 5385] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5385] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5385] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5385] write(3, "1000", 4) = 4
[pid 5385] close(3) = 0
[pid 5385] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5385] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5385] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5385] openat(3, "freezer.state", O_RDWR) = 4
[pid 5385] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5385] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5385] close(3) = 0
[pid 5385] close(4) = 0
[pid 5385] close(5) = -1 EBADF (Bad file descriptor)
[pid 5385] close(6) = -1 EBADF (Bad file descriptor)
[pid 5385] close(7) = -1 EBADF (Bad file descriptor)
[pid 5385] close(8) = -1 EBADF (Bad file descriptor)
[pid 5385] close(9) = -1 EBADF (Bad file descriptor)
[pid 5385] close(10) = -1 EBADF (Bad file descriptor)
[pid 5385] close(11) = -1 EBADF (Bad file descriptor)
[pid 5385] close(12) = -1 EBADF (Bad file descriptor)
[pid 5385] close(13) = -1 EBADF (Bad file descriptor)
[pid 5385] close(14) = -1 EBADF (Bad file descriptor)
[pid 5385] close(15) = -1 EBADF (Bad file descriptor)
[pid 5385] close(16) = -1 EBADF (Bad file descriptor)
[pid 5385] close(17) = -1 EBADF (Bad file descriptor)
[pid 5385] close(18) = -1 EBADF (Bad file descriptor)
[pid 5385] close(19) = -1 EBADF (Bad file descriptor)
[pid 5385] close(20) = -1 EBADF (Bad file descriptor)
[pid 5385] close(21) = -1 EBADF (Bad file descriptor)
[pid 5385] close(22) = -1 EBADF (Bad file descriptor)
[pid 5385] close(23) = -1 EBADF (Bad file descriptor)
[pid 5385] close(24) = -1 EBADF (Bad file descriptor)
[pid 5385] close(25) = -1 EBADF (Bad file descriptor)
[pid 5385] close(26) = -1 EBADF (Bad file descriptor)
[pid 5385] close(27) = -1 EBADF (Bad file descriptor)
[pid 5385] close(28) = -1 EBADF (Bad file descriptor)
[pid 5385] close(29) = -1 EBADF (Bad file descriptor)
[pid 5385] exit_group(0) = ?
[pid 5385] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./383", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./383", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./383/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./383/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./383/cgroup.cpu") = 0
[pid 5000] umount2("./383/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./383/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./383/binderfs") = 0
[pid 5000] umount2("./383/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./383/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./383/cgroup") = 0
[pid 5000] umount2("./383/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./383/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./383/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./383") = 0
[pid 5000] mkdir("./384", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 386
./strace-static-x86_64: Process 5386 attached
[pid 5386] chdir("./384") = 0
[pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5386] setpgid(0, 0) = 0
[pid 5386] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5386] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5386] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5386] write(3, "1000", 4) = 4
[pid 5386] close(3) = 0
[pid 5386] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5386] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5386] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5386] openat(3, "freezer.state", O_RDWR) = 4
[pid 5386] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5386] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5386] close(3) = 0
[pid 5386] close(4) = 0
[pid 5386] close(5) = -1 EBADF (Bad file descriptor)
[pid 5386] close(6) = -1 EBADF (Bad file descriptor)
[pid 5386] close(7) = -1 EBADF (Bad file descriptor)
[pid 5386] close(8) = -1 EBADF (Bad file descriptor)
[pid 5386] close(9) = -1 EBADF (Bad file descriptor)
[pid 5386] close(10) = -1 EBADF (Bad file descriptor)
[pid 5386] close(11) = -1 EBADF (Bad file descriptor)
[pid 5386] close(12) = -1 EBADF (Bad file descriptor)
[pid 5386] close(13) = -1 EBADF (Bad file descriptor)
[pid 5386] close(14) = -1 EBADF (Bad file descriptor)
[pid 5386] close(15) = -1 EBADF (Bad file descriptor)
[pid 5386] close(16) = -1 EBADF (Bad file descriptor)
[pid 5386] close(17) = -1 EBADF (Bad file descriptor)
[pid 5386] close(18) = -1 EBADF (Bad file descriptor)
[pid 5386] close(19) = -1 EBADF (Bad file descriptor)
[pid 5386] close(20) = -1 EBADF (Bad file descriptor)
[pid 5386] close(21) = -1 EBADF (Bad file descriptor)
[pid 5386] close(22) = -1 EBADF (Bad file descriptor)
[pid 5386] close(23) = -1 EBADF (Bad file descriptor)
[pid 5386] close(24) = -1 EBADF (Bad file descriptor)
[pid 5386] close(25) = -1 EBADF (Bad file descriptor)
[pid 5386] close(26) = -1 EBADF (Bad file descriptor)
[pid 5386] close(27) = -1 EBADF (Bad file descriptor)
[pid 5386] close(28) = -1 EBADF (Bad file descriptor)
[pid 5386] close(29) = -1 EBADF (Bad file descriptor)
[pid 5386] exit_group(0) = ?
[pid 5386] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./384", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./384", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./384/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./384/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./384/cgroup.cpu") = 0
[pid 5000] umount2("./384/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./384/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./384/binderfs") = 0
[pid 5000] umount2("./384/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./384/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./384/cgroup") = 0
[pid 5000] umount2("./384/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./384/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./384/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./384") = 0
[pid 5000] mkdir("./385", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 387
./strace-static-x86_64: Process 5387 attached
[pid 5387] chdir("./385") = 0
[pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5387] setpgid(0, 0) = 0
[pid 5387] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5387] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5387] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5387] write(3, "1000", 4) = 4
[pid 5387] close(3) = 0
[pid 5387] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5387] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5387] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5387] openat(3, "freezer.state", O_RDWR) = 4
[pid 5387] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5387] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5387] close(3) = 0
[pid 5387] close(4) = 0
[pid 5387] close(5) = -1 EBADF (Bad file descriptor)
[pid 5387] close(6) = -1 EBADF (Bad file descriptor)
[pid 5387] close(7) = -1 EBADF (Bad file descriptor)
[pid 5387] close(8) = -1 EBADF (Bad file descriptor)
[pid 5387] close(9) = -1 EBADF (Bad file descriptor)
[pid 5387] close(10) = -1 EBADF (Bad file descriptor)
[pid 5387] close(11) = -1 EBADF (Bad file descriptor)
[pid 5387] close(12) = -1 EBADF (Bad file descriptor)
[pid 5387] close(13) = -1 EBADF (Bad file descriptor)
[pid 5387] close(14) = -1 EBADF (Bad file descriptor)
[pid 5387] close(15) = -1 EBADF (Bad file descriptor)
[pid 5387] close(16) = -1 EBADF (Bad file descriptor)
[pid 5387] close(17) = -1 EBADF (Bad file descriptor)
[pid 5387] close(18) = -1 EBADF (Bad file descriptor)
[pid 5387] close(19) = -1 EBADF (Bad file descriptor)
[pid 5387] close(20) = -1 EBADF (Bad file descriptor)
[pid 5387] close(21) = -1 EBADF (Bad file descriptor)
[pid 5387] close(22) = -1 EBADF (Bad file descriptor)
[pid 5387] close(23) = -1 EBADF (Bad file descriptor)
[pid 5387] close(24) = -1 EBADF (Bad file descriptor)
[pid 5387] close(25) = -1 EBADF (Bad file descriptor)
[pid 5387] close(26) = -1 EBADF (Bad file descriptor)
[pid 5387] close(27) = -1 EBADF (Bad file descriptor)
[pid 5387] close(28) = -1 EBADF (Bad file descriptor)
[pid 5387] close(29) = -1 EBADF (Bad file descriptor)
[pid 5387] exit_group(0) = ?
[pid 5387] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./385", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./385", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./385/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./385/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./385/cgroup.cpu") = 0
[pid 5000] umount2("./385/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./385/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./385/binderfs") = 0
[pid 5000] umount2("./385/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./385/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./385/cgroup") = 0
[pid 5000] umount2("./385/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./385/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./385/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./385") = 0
[pid 5000] mkdir("./386", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 388
./strace-static-x86_64: Process 5388 attached
[pid 5388] chdir("./386") = 0
[pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5388] setpgid(0, 0) = 0
[pid 5388] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5388] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5388] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5388] write(3, "1000", 4) = 4
[pid 5388] close(3) = 0
[pid 5388] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5388] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5388] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5388] openat(3, "freezer.state", O_RDWR) = 4
[pid 5388] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5388] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5388] close(3) = 0
[pid 5388] close(4) = 0
[pid 5388] close(5) = -1 EBADF (Bad file descriptor)
[pid 5388] close(6) = -1 EBADF (Bad file descriptor)
[pid 5388] close(7) = -1 EBADF (Bad file descriptor)
[pid 5388] close(8) = -1 EBADF (Bad file descriptor)
[pid 5388] close(9) = -1 EBADF (Bad file descriptor)
[pid 5388] close(10) = -1 EBADF (Bad file descriptor)
[pid 5388] close(11) = -1 EBADF (Bad file descriptor)
[pid 5388] close(12) = -1 EBADF (Bad file descriptor)
[pid 5388] close(13) = -1 EBADF (Bad file descriptor)
[pid 5388] close(14) = -1 EBADF (Bad file descriptor)
[pid 5388] close(15) = -1 EBADF (Bad file descriptor)
[pid 5388] close(16) = -1 EBADF (Bad file descriptor)
[pid 5388] close(17) = -1 EBADF (Bad file descriptor)
[pid 5388] close(18) = -1 EBADF (Bad file descriptor)
[pid 5388] close(19) = -1 EBADF (Bad file descriptor)
[pid 5388] close(20) = -1 EBADF (Bad file descriptor)
[pid 5388] close(21) = -1 EBADF (Bad file descriptor)
[pid 5388] close(22) = -1 EBADF (Bad file descriptor)
[pid 5388] close(23) = -1 EBADF (Bad file descriptor)
[pid 5388] close(24) = -1 EBADF (Bad file descriptor)
[pid 5388] close(25) = -1 EBADF (Bad file descriptor)
[pid 5388] close(26) = -1 EBADF (Bad file descriptor)
[pid 5388] close(27) = -1 EBADF (Bad file descriptor)
[pid 5388] close(28) = -1 EBADF (Bad file descriptor)
[pid 5388] close(29) = -1 EBADF (Bad file descriptor)
[pid 5388] exit_group(0) = ?
[pid 5388] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./386", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./386", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./386/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./386/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./386/cgroup.cpu") = 0
[pid 5000] umount2("./386/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./386/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./386/binderfs") = 0
[pid 5000] umount2("./386/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./386/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./386/cgroup") = 0
[pid 5000] umount2("./386/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./386/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./386/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./386") = 0
[pid 5000] mkdir("./387", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5389 attached
, child_tidptr=0x55555723f5d0) = 389
[pid 5389] chdir("./387") = 0
[pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5389] setpgid(0, 0) = 0
[pid 5389] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5389] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5389] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5389] write(3, "1000", 4) = 4
[pid 5389] close(3) = 0
[pid 5389] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5389] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5389] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5389] openat(3, "freezer.state", O_RDWR) = 4
[pid 5389] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5389] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5389] close(3) = 0
[pid 5389] close(4) = 0
[pid 5389] close(5) = -1 EBADF (Bad file descriptor)
[pid 5389] close(6) = -1 EBADF (Bad file descriptor)
[pid 5389] close(7) = -1 EBADF (Bad file descriptor)
[pid 5389] close(8) = -1 EBADF (Bad file descriptor)
[pid 5389] close(9) = -1 EBADF (Bad file descriptor)
[pid 5389] close(10) = -1 EBADF (Bad file descriptor)
[pid 5389] close(11) = -1 EBADF (Bad file descriptor)
[pid 5389] close(12) = -1 EBADF (Bad file descriptor)
[pid 5389] close(13) = -1 EBADF (Bad file descriptor)
[pid 5389] close(14) = -1 EBADF (Bad file descriptor)
[pid 5389] close(15) = -1 EBADF (Bad file descriptor)
[pid 5389] close(16) = -1 EBADF (Bad file descriptor)
[pid 5389] close(17) = -1 EBADF (Bad file descriptor)
[pid 5389] close(18) = -1 EBADF (Bad file descriptor)
[pid 5389] close(19) = -1 EBADF (Bad file descriptor)
[pid 5389] close(20) = -1 EBADF (Bad file descriptor)
[pid 5389] close(21) = -1 EBADF (Bad file descriptor)
[pid 5389] close(22) = -1 EBADF (Bad file descriptor)
[pid 5389] close(23) = -1 EBADF (Bad file descriptor)
[pid 5389] close(24) = -1 EBADF (Bad file descriptor)
[pid 5389] close(25) = -1 EBADF (Bad file descriptor)
[pid 5389] close(26) = -1 EBADF (Bad file descriptor)
[pid 5389] close(27) = -1 EBADF (Bad file descriptor)
[pid 5389] close(28) = -1 EBADF (Bad file descriptor)
[pid 5389] close(29) = -1 EBADF (Bad file descriptor)
[pid 5389] exit_group(0) = ?
[pid 5389] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./387", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./387", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./387/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./387/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./387/cgroup.cpu") = 0
[pid 5000] umount2("./387/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./387/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./387/binderfs") = 0
[pid 5000] umount2("./387/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./387/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./387/cgroup") = 0
[pid 5000] umount2("./387/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./387/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./387/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./387") = 0
[pid 5000] mkdir("./388", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 390
./strace-static-x86_64: Process 5390 attached
[pid 5390] chdir("./388") = 0
[pid 5390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5390] setpgid(0, 0) = 0
[pid 5390] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5390] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5390] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5390] write(3, "1000", 4) = 4
[pid 5390] close(3) = 0
[pid 5390] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5390] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5390] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5390] openat(3, "freezer.state", O_RDWR) = 4
[pid 5390] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5390] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5390] close(3) = 0
[pid 5390] close(4) = 0
[pid 5390] close(5) = -1 EBADF (Bad file descriptor)
[pid 5390] close(6) = -1 EBADF (Bad file descriptor)
[pid 5390] close(7) = -1 EBADF (Bad file descriptor)
[pid 5390] close(8) = -1 EBADF (Bad file descriptor)
[pid 5390] close(9) = -1 EBADF (Bad file descriptor)
[pid 5390] close(10) = -1 EBADF (Bad file descriptor)
[pid 5390] close(11) = -1 EBADF (Bad file descriptor)
[pid 5390] close(12) = -1 EBADF (Bad file descriptor)
[pid 5390] close(13) = -1 EBADF (Bad file descriptor)
[pid 5390] close(14) = -1 EBADF (Bad file descriptor)
[pid 5390] close(15) = -1 EBADF (Bad file descriptor)
[pid 5390] close(16) = -1 EBADF (Bad file descriptor)
[pid 5390] close(17) = -1 EBADF (Bad file descriptor)
[pid 5390] close(18) = -1 EBADF (Bad file descriptor)
[pid 5390] close(19) = -1 EBADF (Bad file descriptor)
[pid 5390] close(20) = -1 EBADF (Bad file descriptor)
[pid 5390] close(21) = -1 EBADF (Bad file descriptor)
[pid 5390] close(22) = -1 EBADF (Bad file descriptor)
[pid 5390] close(23) = -1 EBADF (Bad file descriptor)
[pid 5390] close(24) = -1 EBADF (Bad file descriptor)
[pid 5390] close(25) = -1 EBADF (Bad file descriptor)
[pid 5390] close(26) = -1 EBADF (Bad file descriptor)
[pid 5390] close(27) = -1 EBADF (Bad file descriptor)
[pid 5390] close(28) = -1 EBADF (Bad file descriptor)
[pid 5390] close(29) = -1 EBADF (Bad file descriptor)
[pid 5390] exit_group(0) = ?
[pid 5390] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./388", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./388", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./388/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./388/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./388/cgroup.cpu") = 0
[pid 5000] umount2("./388/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./388/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./388/binderfs") = 0
[pid 5000] umount2("./388/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./388/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./388/cgroup") = 0
[pid 5000] umount2("./388/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./388/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./388/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./388") = 0
[pid 5000] mkdir("./389", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 391
./strace-static-x86_64: Process 5391 attached
[pid 5391] chdir("./389") = 0
[pid 5391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5391] setpgid(0, 0) = 0
[pid 5391] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5391] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5391] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5391] write(3, "1000", 4) = 4
[pid 5391] close(3) = 0
[pid 5391] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5391] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5391] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5391] openat(3, "freezer.state", O_RDWR) = 4
[pid 5391] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5391] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5391] close(3) = 0
[pid 5391] close(4) = 0
[pid 5391] close(5) = -1 EBADF (Bad file descriptor)
[pid 5391] close(6) = -1 EBADF (Bad file descriptor)
[pid 5391] close(7) = -1 EBADF (Bad file descriptor)
[pid 5391] close(8) = -1 EBADF (Bad file descriptor)
[pid 5391] close(9) = -1 EBADF (Bad file descriptor)
[pid 5391] close(10) = -1 EBADF (Bad file descriptor)
[pid 5391] close(11) = -1 EBADF (Bad file descriptor)
[pid 5391] close(12) = -1 EBADF (Bad file descriptor)
[pid 5391] close(13) = -1 EBADF (Bad file descriptor)
[pid 5391] close(14) = -1 EBADF (Bad file descriptor)
[pid 5391] close(15) = -1 EBADF (Bad file descriptor)
[pid 5391] close(16) = -1 EBADF (Bad file descriptor)
[pid 5391] close(17) = -1 EBADF (Bad file descriptor)
[pid 5391] close(18) = -1 EBADF (Bad file descriptor)
[pid 5391] close(19) = -1 EBADF (Bad file descriptor)
[pid 5391] close(20) = -1 EBADF (Bad file descriptor)
[pid 5391] close(21) = -1 EBADF (Bad file descriptor)
[pid 5391] close(22) = -1 EBADF (Bad file descriptor)
[pid 5391] close(23) = -1 EBADF (Bad file descriptor)
[pid 5391] close(24) = -1 EBADF (Bad file descriptor)
[pid 5391] close(25) = -1 EBADF (Bad file descriptor)
[pid 5391] close(26) = -1 EBADF (Bad file descriptor)
[pid 5391] close(27) = -1 EBADF (Bad file descriptor)
[pid 5391] close(28) = -1 EBADF (Bad file descriptor)
[pid 5391] close(29) = -1 EBADF (Bad file descriptor)
[pid 5391] exit_group(0) = ?
[pid 5391] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./389", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./389", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./389/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./389/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./389/cgroup.cpu") = 0
[pid 5000] umount2("./389/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./389/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./389/binderfs") = 0
[pid 5000] umount2("./389/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./389/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./389/cgroup") = 0
[pid 5000] umount2("./389/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./389/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./389/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./389") = 0
[pid 5000] mkdir("./390", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 392
./strace-static-x86_64: Process 5392 attached
[pid 5392] chdir("./390") = 0
[pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5392] setpgid(0, 0) = 0
[pid 5392] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5392] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5392] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5392] write(3, "1000", 4) = 4
[pid 5392] close(3) = 0
[pid 5392] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5392] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5392] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5392] openat(3, "freezer.state", O_RDWR) = 4
[pid 5392] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5392] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5392] close(3) = 0
[pid 5392] close(4) = 0
[pid 5392] close(5) = -1 EBADF (Bad file descriptor)
[pid 5392] close(6) = -1 EBADF (Bad file descriptor)
[pid 5392] close(7) = -1 EBADF (Bad file descriptor)
[pid 5392] close(8) = -1 EBADF (Bad file descriptor)
[pid 5392] close(9) = -1 EBADF (Bad file descriptor)
[pid 5392] close(10) = -1 EBADF (Bad file descriptor)
[pid 5392] close(11) = -1 EBADF (Bad file descriptor)
[pid 5392] close(12) = -1 EBADF (Bad file descriptor)
[pid 5392] close(13) = -1 EBADF (Bad file descriptor)
[pid 5392] close(14) = -1 EBADF (Bad file descriptor)
[pid 5392] close(15) = -1 EBADF (Bad file descriptor)
[pid 5392] close(16) = -1 EBADF (Bad file descriptor)
[pid 5392] close(17) = -1 EBADF (Bad file descriptor)
[pid 5392] close(18) = -1 EBADF (Bad file descriptor)
[pid 5392] close(19) = -1 EBADF (Bad file descriptor)
[pid 5392] close(20) = -1 EBADF (Bad file descriptor)
[pid 5392] close(21) = -1 EBADF (Bad file descriptor)
[pid 5392] close(22) = -1 EBADF (Bad file descriptor)
[pid 5392] close(23) = -1 EBADF (Bad file descriptor)
[pid 5392] close(24) = -1 EBADF (Bad file descriptor)
[pid 5392] close(25) = -1 EBADF (Bad file descriptor)
[pid 5392] close(26) = -1 EBADF (Bad file descriptor)
[pid 5392] close(27) = -1 EBADF (Bad file descriptor)
[pid 5392] close(28) = -1 EBADF (Bad file descriptor)
[pid 5392] close(29) = -1 EBADF (Bad file descriptor)
[pid 5392] exit_group(0) = ?
[pid 5392] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./390", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./390", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./390/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./390/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./390/cgroup.cpu") = 0
[pid 5000] umount2("./390/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./390/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./390/binderfs") = 0
[pid 5000] umount2("./390/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./390/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./390/cgroup") = 0
[pid 5000] umount2("./390/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./390/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./390/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./390") = 0
[pid 5000] mkdir("./391", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5393 attached
, child_tidptr=0x55555723f5d0) = 393
[pid 5393] chdir("./391") = 0
[pid 5393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5393] setpgid(0, 0) = 0
[pid 5393] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5393] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5393] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5393] write(3, "1000", 4) = 4
[pid 5393] close(3) = 0
[pid 5393] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5393] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5393] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5393] openat(3, "freezer.state", O_RDWR) = 4
[pid 5393] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5393] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5393] close(3) = 0
[pid 5393] close(4) = 0
[pid 5393] close(5) = -1 EBADF (Bad file descriptor)
[pid 5393] close(6) = -1 EBADF (Bad file descriptor)
[pid 5393] close(7) = -1 EBADF (Bad file descriptor)
[pid 5393] close(8) = -1 EBADF (Bad file descriptor)
[pid 5393] close(9) = -1 EBADF (Bad file descriptor)
[pid 5393] close(10) = -1 EBADF (Bad file descriptor)
[pid 5393] close(11) = -1 EBADF (Bad file descriptor)
[pid 5393] close(12) = -1 EBADF (Bad file descriptor)
[pid 5393] close(13) = -1 EBADF (Bad file descriptor)
[pid 5393] close(14) = -1 EBADF (Bad file descriptor)
[pid 5393] close(15) = -1 EBADF (Bad file descriptor)
[pid 5393] close(16) = -1 EBADF (Bad file descriptor)
[pid 5393] close(17) = -1 EBADF (Bad file descriptor)
[pid 5393] close(18) = -1 EBADF (Bad file descriptor)
[pid 5393] close(19) = -1 EBADF (Bad file descriptor)
[pid 5393] close(20) = -1 EBADF (Bad file descriptor)
[pid 5393] close(21) = -1 EBADF (Bad file descriptor)
[pid 5393] close(22) = -1 EBADF (Bad file descriptor)
[pid 5393] close(23) = -1 EBADF (Bad file descriptor)
[pid 5393] close(24) = -1 EBADF (Bad file descriptor)
[pid 5393] close(25) = -1 EBADF (Bad file descriptor)
[pid 5393] close(26) = -1 EBADF (Bad file descriptor)
[pid 5393] close(27) = -1 EBADF (Bad file descriptor)
[pid 5393] close(28) = -1 EBADF (Bad file descriptor)
[pid 5393] close(29) = -1 EBADF (Bad file descriptor)
[pid 5393] exit_group(0) = ?
[pid 5393] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./391", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./391", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./391/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./391/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./391/cgroup.cpu") = 0
[pid 5000] umount2("./391/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./391/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./391/binderfs") = 0
[pid 5000] umount2("./391/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./391/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./391/cgroup") = 0
[pid 5000] umount2("./391/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./391/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./391/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./391") = 0
[pid 5000] mkdir("./392", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 394
./strace-static-x86_64: Process 5394 attached
[pid 5394] chdir("./392") = 0
[pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5394] setpgid(0, 0) = 0
[pid 5394] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5394] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5394] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5394] write(3, "1000", 4) = 4
[pid 5394] close(3) = 0
[pid 5394] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5394] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5394] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5394] openat(3, "freezer.state", O_RDWR) = 4
[pid 5394] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5394] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5394] close(3) = 0
[pid 5394] close(4) = 0
[pid 5394] close(5) = -1 EBADF (Bad file descriptor)
[pid 5394] close(6) = -1 EBADF (Bad file descriptor)
[pid 5394] close(7) = -1 EBADF (Bad file descriptor)
[pid 5394] close(8) = -1 EBADF (Bad file descriptor)
[pid 5394] close(9) = -1 EBADF (Bad file descriptor)
[pid 5394] close(10) = -1 EBADF (Bad file descriptor)
[pid 5394] close(11) = -1 EBADF (Bad file descriptor)
[pid 5394] close(12) = -1 EBADF (Bad file descriptor)
[pid 5394] close(13) = -1 EBADF (Bad file descriptor)
[pid 5394] close(14) = -1 EBADF (Bad file descriptor)
[pid 5394] close(15) = -1 EBADF (Bad file descriptor)
[pid 5394] close(16) = -1 EBADF (Bad file descriptor)
[pid 5394] close(17) = -1 EBADF (Bad file descriptor)
[pid 5394] close(18) = -1 EBADF (Bad file descriptor)
[pid 5394] close(19) = -1 EBADF (Bad file descriptor)
[pid 5394] close(20) = -1 EBADF (Bad file descriptor)
[pid 5394] close(21) = -1 EBADF (Bad file descriptor)
[pid 5394] close(22) = -1 EBADF (Bad file descriptor)
[pid 5394] close(23) = -1 EBADF (Bad file descriptor)
[pid 5394] close(24) = -1 EBADF (Bad file descriptor)
[pid 5394] close(25) = -1 EBADF (Bad file descriptor)
[pid 5394] close(26) = -1 EBADF (Bad file descriptor)
[pid 5394] close(27) = -1 EBADF (Bad file descriptor)
[pid 5394] close(28) = -1 EBADF (Bad file descriptor)
[pid 5394] close(29) = -1 EBADF (Bad file descriptor)
[pid 5394] exit_group(0) = ?
[pid 5394] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./392", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./392", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./392/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./392/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./392/cgroup.cpu") = 0
[pid 5000] umount2("./392/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./392/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./392/binderfs") = 0
[pid 5000] umount2("./392/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./392/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./392/cgroup") = 0
[pid 5000] umount2("./392/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./392/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./392/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./392") = 0
[pid 5000] mkdir("./393", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 395
./strace-static-x86_64: Process 5395 attached
[pid 5395] chdir("./393") = 0
[pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5395] setpgid(0, 0) = 0
[pid 5395] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5395] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5395] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5395] write(3, "1000", 4) = 4
[pid 5395] close(3) = 0
[pid 5395] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5395] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5395] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5395] openat(3, "freezer.state", O_RDWR) = 4
[pid 5395] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5395] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5395] close(3) = 0
[pid 5395] close(4) = 0
[pid 5395] close(5) = -1 EBADF (Bad file descriptor)
[pid 5395] close(6) = -1 EBADF (Bad file descriptor)
[pid 5395] close(7) = -1 EBADF (Bad file descriptor)
[pid 5395] close(8) = -1 EBADF (Bad file descriptor)
[pid 5395] close(9) = -1 EBADF (Bad file descriptor)
[pid 5395] close(10) = -1 EBADF (Bad file descriptor)
[pid 5395] close(11) = -1 EBADF (Bad file descriptor)
[pid 5395] close(12) = -1 EBADF (Bad file descriptor)
[pid 5395] close(13) = -1 EBADF (Bad file descriptor)
[pid 5395] close(14) = -1 EBADF (Bad file descriptor)
[pid 5395] close(15) = -1 EBADF (Bad file descriptor)
[pid 5395] close(16) = -1 EBADF (Bad file descriptor)
[pid 5395] close(17) = -1 EBADF (Bad file descriptor)
[pid 5395] close(18) = -1 EBADF (Bad file descriptor)
[pid 5395] close(19) = -1 EBADF (Bad file descriptor)
[pid 5395] close(20) = -1 EBADF (Bad file descriptor)
[pid 5395] close(21) = -1 EBADF (Bad file descriptor)
[pid 5395] close(22) = -1 EBADF (Bad file descriptor)
[pid 5395] close(23) = -1 EBADF (Bad file descriptor)
[pid 5395] close(24) = -1 EBADF (Bad file descriptor)
[pid 5395] close(25) = -1 EBADF (Bad file descriptor)
[pid 5395] close(26) = -1 EBADF (Bad file descriptor)
[pid 5395] close(27) = -1 EBADF (Bad file descriptor)
[pid 5395] close(28) = -1 EBADF (Bad file descriptor)
[pid 5395] close(29) = -1 EBADF (Bad file descriptor)
[pid 5395] exit_group(0) = ?
[pid 5395] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./393", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./393", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./393/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./393/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./393/cgroup.cpu") = 0
[pid 5000] umount2("./393/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./393/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./393/binderfs") = 0
[pid 5000] umount2("./393/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./393/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./393/cgroup") = 0
[pid 5000] umount2("./393/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./393/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./393/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./393") = 0
[pid 5000] mkdir("./394", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5396 attached
<unfinished ...>
[pid 5396] chdir("./394") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 396
[pid 5396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5396] setpgid(0, 0) = 0
[pid 5396] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5396] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5396] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5396] write(3, "1000", 4) = 4
[pid 5396] close(3) = 0
[pid 5396] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5396] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5396] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5396] openat(3, "freezer.state", O_RDWR) = 4
[pid 5396] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5396] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5396] close(3) = 0
[pid 5396] close(4) = 0
[pid 5396] close(5) = -1 EBADF (Bad file descriptor)
[pid 5396] close(6) = -1 EBADF (Bad file descriptor)
[pid 5396] close(7) = -1 EBADF (Bad file descriptor)
[pid 5396] close(8) = -1 EBADF (Bad file descriptor)
[pid 5396] close(9) = -1 EBADF (Bad file descriptor)
[pid 5396] close(10) = -1 EBADF (Bad file descriptor)
[pid 5396] close(11) = -1 EBADF (Bad file descriptor)
[pid 5396] close(12) = -1 EBADF (Bad file descriptor)
[pid 5396] close(13) = -1 EBADF (Bad file descriptor)
[pid 5396] close(14) = -1 EBADF (Bad file descriptor)
[pid 5396] close(15) = -1 EBADF (Bad file descriptor)
[pid 5396] close(16) = -1 EBADF (Bad file descriptor)
[pid 5396] close(17) = -1 EBADF (Bad file descriptor)
[pid 5396] close(18) = -1 EBADF (Bad file descriptor)
[pid 5396] close(19) = -1 EBADF (Bad file descriptor)
[pid 5396] close(20) = -1 EBADF (Bad file descriptor)
[pid 5396] close(21) = -1 EBADF (Bad file descriptor)
[pid 5396] close(22) = -1 EBADF (Bad file descriptor)
[pid 5396] close(23) = -1 EBADF (Bad file descriptor)
[pid 5396] close(24) = -1 EBADF (Bad file descriptor)
[pid 5396] close(25) = -1 EBADF (Bad file descriptor)
[pid 5396] close(26) = -1 EBADF (Bad file descriptor)
[pid 5396] close(27) = -1 EBADF (Bad file descriptor)
[pid 5396] close(28) = -1 EBADF (Bad file descriptor)
[pid 5396] close(29) = -1 EBADF (Bad file descriptor)
[pid 5396] exit_group(0) = ?
[pid 5396] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=396, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./394", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./394", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./394/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./394/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./394/cgroup.cpu") = 0
[pid 5000] umount2("./394/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./394/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./394/binderfs") = 0
[pid 5000] umount2("./394/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./394/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./394/cgroup") = 0
[pid 5000] umount2("./394/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./394/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./394/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./394") = 0
[pid 5000] mkdir("./395", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 397
./strace-static-x86_64: Process 5397 attached
[pid 5397] chdir("./395") = 0
[pid 5397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5397] setpgid(0, 0) = 0
[pid 5397] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5397] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5397] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5397] write(3, "1000", 4) = 4
[pid 5397] close(3) = 0
[pid 5397] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5397] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5397] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5397] openat(3, "freezer.state", O_RDWR) = 4
[pid 5397] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5397] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5397] close(3) = 0
[pid 5397] close(4) = 0
[pid 5397] close(5) = -1 EBADF (Bad file descriptor)
[pid 5397] close(6) = -1 EBADF (Bad file descriptor)
[pid 5397] close(7) = -1 EBADF (Bad file descriptor)
[pid 5397] close(8) = -1 EBADF (Bad file descriptor)
[pid 5397] close(9) = -1 EBADF (Bad file descriptor)
[pid 5397] close(10) = -1 EBADF (Bad file descriptor)
[pid 5397] close(11) = -1 EBADF (Bad file descriptor)
[pid 5397] close(12) = -1 EBADF (Bad file descriptor)
[pid 5397] close(13) = -1 EBADF (Bad file descriptor)
[pid 5397] close(14) = -1 EBADF (Bad file descriptor)
[pid 5397] close(15) = -1 EBADF (Bad file descriptor)
[pid 5397] close(16) = -1 EBADF (Bad file descriptor)
[pid 5397] close(17) = -1 EBADF (Bad file descriptor)
[pid 5397] close(18) = -1 EBADF (Bad file descriptor)
[pid 5397] close(19) = -1 EBADF (Bad file descriptor)
[pid 5397] close(20) = -1 EBADF (Bad file descriptor)
[pid 5397] close(21) = -1 EBADF (Bad file descriptor)
[pid 5397] close(22) = -1 EBADF (Bad file descriptor)
[pid 5397] close(23) = -1 EBADF (Bad file descriptor)
[pid 5397] close(24) = -1 EBADF (Bad file descriptor)
[pid 5397] close(25) = -1 EBADF (Bad file descriptor)
[pid 5397] close(26) = -1 EBADF (Bad file descriptor)
[pid 5397] close(27) = -1 EBADF (Bad file descriptor)
[pid 5397] close(28) = -1 EBADF (Bad file descriptor)
[pid 5397] close(29) = -1 EBADF (Bad file descriptor)
[pid 5397] exit_group(0) = ?
[pid 5397] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./395", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./395", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./395/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./395/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./395/cgroup.cpu") = 0
[pid 5000] umount2("./395/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./395/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./395/binderfs") = 0
[pid 5000] umount2("./395/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./395/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./395/cgroup") = 0
[pid 5000] umount2("./395/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./395/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./395/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./395") = 0
[pid 5000] mkdir("./396", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 398
./strace-static-x86_64: Process 5398 attached
[pid 5398] chdir("./396") = 0
[pid 5398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5398] setpgid(0, 0) = 0
[pid 5398] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5398] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5398] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5398] write(3, "1000", 4) = 4
[pid 5398] close(3) = 0
[pid 5398] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5398] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5398] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5398] openat(3, "freezer.state", O_RDWR) = 4
[pid 5398] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5398] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5398] close(3) = 0
[pid 5398] close(4) = 0
[pid 5398] close(5) = -1 EBADF (Bad file descriptor)
[pid 5398] close(6) = -1 EBADF (Bad file descriptor)
[pid 5398] close(7) = -1 EBADF (Bad file descriptor)
[pid 5398] close(8) = -1 EBADF (Bad file descriptor)
[pid 5398] close(9) = -1 EBADF (Bad file descriptor)
[pid 5398] close(10) = -1 EBADF (Bad file descriptor)
[pid 5398] close(11) = -1 EBADF (Bad file descriptor)
[pid 5398] close(12) = -1 EBADF (Bad file descriptor)
[pid 5398] close(13) = -1 EBADF (Bad file descriptor)
[pid 5398] close(14) = -1 EBADF (Bad file descriptor)
[pid 5398] close(15) = -1 EBADF (Bad file descriptor)
[pid 5398] close(16) = -1 EBADF (Bad file descriptor)
[pid 5398] close(17) = -1 EBADF (Bad file descriptor)
[pid 5398] close(18) = -1 EBADF (Bad file descriptor)
[pid 5398] close(19) = -1 EBADF (Bad file descriptor)
[pid 5398] close(20) = -1 EBADF (Bad file descriptor)
[pid 5398] close(21) = -1 EBADF (Bad file descriptor)
[pid 5398] close(22) = -1 EBADF (Bad file descriptor)
[pid 5398] close(23) = -1 EBADF (Bad file descriptor)
[pid 5398] close(24) = -1 EBADF (Bad file descriptor)
[pid 5398] close(25) = -1 EBADF (Bad file descriptor)
[pid 5398] close(26) = -1 EBADF (Bad file descriptor)
[pid 5398] close(27) = -1 EBADF (Bad file descriptor)
[pid 5398] close(28) = -1 EBADF (Bad file descriptor)
[pid 5398] close(29) = -1 EBADF (Bad file descriptor)
[pid 5398] exit_group(0) = ?
[pid 5398] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./396", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./396", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./396/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./396/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./396/cgroup.cpu") = 0
[pid 5000] umount2("./396/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./396/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./396/binderfs") = 0
[pid 5000] umount2("./396/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./396/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./396/cgroup") = 0
[pid 5000] umount2("./396/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./396/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./396/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./396") = 0
[pid 5000] mkdir("./397", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5399 attached
<unfinished ...>
[pid 5399] chdir("./397" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 399
[pid 5399] <... chdir resumed>) = 0
[pid 5399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5399] setpgid(0, 0) = 0
[pid 5399] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5399] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5399] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5399] write(3, "1000", 4) = 4
[pid 5399] close(3) = 0
[pid 5399] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5399] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5399] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5399] openat(3, "freezer.state", O_RDWR) = 4
[pid 5399] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5399] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5399] close(3) = 0
[pid 5399] close(4) = 0
[pid 5399] close(5) = -1 EBADF (Bad file descriptor)
[pid 5399] close(6) = -1 EBADF (Bad file descriptor)
[pid 5399] close(7) = -1 EBADF (Bad file descriptor)
[pid 5399] close(8) = -1 EBADF (Bad file descriptor)
[pid 5399] close(9) = -1 EBADF (Bad file descriptor)
[pid 5399] close(10) = -1 EBADF (Bad file descriptor)
[pid 5399] close(11) = -1 EBADF (Bad file descriptor)
[pid 5399] close(12) = -1 EBADF (Bad file descriptor)
[pid 5399] close(13) = -1 EBADF (Bad file descriptor)
[pid 5399] close(14) = -1 EBADF (Bad file descriptor)
[pid 5399] close(15) = -1 EBADF (Bad file descriptor)
[pid 5399] close(16) = -1 EBADF (Bad file descriptor)
[pid 5399] close(17) = -1 EBADF (Bad file descriptor)
[pid 5399] close(18) = -1 EBADF (Bad file descriptor)
[pid 5399] close(19) = -1 EBADF (Bad file descriptor)
[pid 5399] close(20) = -1 EBADF (Bad file descriptor)
[pid 5399] close(21) = -1 EBADF (Bad file descriptor)
[pid 5399] close(22) = -1 EBADF (Bad file descriptor)
[pid 5399] close(23) = -1 EBADF (Bad file descriptor)
[pid 5399] close(24) = -1 EBADF (Bad file descriptor)
[pid 5399] close(25) = -1 EBADF (Bad file descriptor)
[pid 5399] close(26) = -1 EBADF (Bad file descriptor)
[pid 5399] close(27) = -1 EBADF (Bad file descriptor)
[pid 5399] close(28) = -1 EBADF (Bad file descriptor)
[pid 5399] close(29) = -1 EBADF (Bad file descriptor)
[pid 5399] exit_group(0) = ?
[pid 5399] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./397", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./397", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./397/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./397/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./397/cgroup.cpu") = 0
[pid 5000] umount2("./397/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./397/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./397/binderfs") = 0
[pid 5000] umount2("./397/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./397/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./397/cgroup") = 0
[pid 5000] umount2("./397/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./397/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./397/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./397") = 0
[pid 5000] mkdir("./398", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 400
./strace-static-x86_64: Process 5400 attached
[pid 5400] chdir("./398") = 0
[pid 5400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5400] setpgid(0, 0) = 0
[pid 5400] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5400] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5400] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5400] write(3, "1000", 4) = 4
[pid 5400] close(3) = 0
[pid 5400] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5400] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5400] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5400] openat(3, "freezer.state", O_RDWR) = 4
[pid 5400] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5400] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5400] close(3) = 0
[pid 5400] close(4) = 0
[pid 5400] close(5) = -1 EBADF (Bad file descriptor)
[pid 5400] close(6) = -1 EBADF (Bad file descriptor)
[pid 5400] close(7) = -1 EBADF (Bad file descriptor)
[pid 5400] close(8) = -1 EBADF (Bad file descriptor)
[pid 5400] close(9) = -1 EBADF (Bad file descriptor)
[pid 5400] close(10) = -1 EBADF (Bad file descriptor)
[pid 5400] close(11) = -1 EBADF (Bad file descriptor)
[pid 5400] close(12) = -1 EBADF (Bad file descriptor)
[pid 5400] close(13) = -1 EBADF (Bad file descriptor)
[pid 5400] close(14) = -1 EBADF (Bad file descriptor)
[pid 5400] close(15) = -1 EBADF (Bad file descriptor)
[pid 5400] close(16) = -1 EBADF (Bad file descriptor)
[pid 5400] close(17) = -1 EBADF (Bad file descriptor)
[pid 5400] close(18) = -1 EBADF (Bad file descriptor)
[pid 5400] close(19) = -1 EBADF (Bad file descriptor)
[pid 5400] close(20) = -1 EBADF (Bad file descriptor)
[pid 5400] close(21) = -1 EBADF (Bad file descriptor)
[pid 5400] close(22) = -1 EBADF (Bad file descriptor)
[pid 5400] close(23) = -1 EBADF (Bad file descriptor)
[pid 5400] close(24) = -1 EBADF (Bad file descriptor)
[pid 5400] close(25) = -1 EBADF (Bad file descriptor)
[pid 5400] close(26) = -1 EBADF (Bad file descriptor)
[pid 5400] close(27) = -1 EBADF (Bad file descriptor)
[pid 5400] close(28) = -1 EBADF (Bad file descriptor)
[pid 5400] close(29) = -1 EBADF (Bad file descriptor)
[pid 5400] exit_group(0) = ?
[pid 5400] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=400, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./398", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./398", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./398/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./398/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./398/cgroup.cpu") = 0
[pid 5000] umount2("./398/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./398/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./398/binderfs") = 0
[pid 5000] umount2("./398/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./398/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./398/cgroup") = 0
[pid 5000] umount2("./398/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./398/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./398/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./398") = 0
[pid 5000] mkdir("./399", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5401 attached
<unfinished ...>
[pid 5401] chdir("./399") = 0
[pid 5401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 401
[pid 5401] setpgid(0, 0) = 0
[pid 5401] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5401] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5401] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5401] write(3, "1000", 4) = 4
[pid 5401] close(3) = 0
[pid 5401] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5401] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5401] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5401] openat(3, "freezer.state", O_RDWR) = 4
[pid 5401] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5401] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5401] close(3) = 0
[pid 5401] close(4) = 0
[pid 5401] close(5) = -1 EBADF (Bad file descriptor)
[pid 5401] close(6) = -1 EBADF (Bad file descriptor)
[pid 5401] close(7) = -1 EBADF (Bad file descriptor)
[pid 5401] close(8) = -1 EBADF (Bad file descriptor)
[pid 5401] close(9) = -1 EBADF (Bad file descriptor)
[pid 5401] close(10) = -1 EBADF (Bad file descriptor)
[pid 5401] close(11) = -1 EBADF (Bad file descriptor)
[pid 5401] close(12) = -1 EBADF (Bad file descriptor)
[pid 5401] close(13) = -1 EBADF (Bad file descriptor)
[pid 5401] close(14) = -1 EBADF (Bad file descriptor)
[pid 5401] close(15) = -1 EBADF (Bad file descriptor)
[pid 5401] close(16) = -1 EBADF (Bad file descriptor)
[pid 5401] close(17) = -1 EBADF (Bad file descriptor)
[pid 5401] close(18) = -1 EBADF (Bad file descriptor)
[pid 5401] close(19) = -1 EBADF (Bad file descriptor)
[pid 5401] close(20) = -1 EBADF (Bad file descriptor)
[pid 5401] close(21) = -1 EBADF (Bad file descriptor)
[pid 5401] close(22) = -1 EBADF (Bad file descriptor)
[pid 5401] close(23) = -1 EBADF (Bad file descriptor)
[pid 5401] close(24) = -1 EBADF (Bad file descriptor)
[pid 5401] close(25) = -1 EBADF (Bad file descriptor)
[pid 5401] close(26) = -1 EBADF (Bad file descriptor)
[pid 5401] close(27) = -1 EBADF (Bad file descriptor)
[pid 5401] close(28) = -1 EBADF (Bad file descriptor)
[pid 5401] close(29) = -1 EBADF (Bad file descriptor)
[pid 5401] exit_group(0) = ?
[pid 5401] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./399", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./399", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./399/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./399/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./399/cgroup.cpu") = 0
[pid 5000] umount2("./399/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./399/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./399/binderfs") = 0
[pid 5000] umount2("./399/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./399/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./399/cgroup") = 0
[pid 5000] umount2("./399/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./399/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./399/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./399") = 0
[pid 5000] mkdir("./400", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5402 attached
<unfinished ...>
[pid 5402] chdir("./400") = 0
[pid 5402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5402] setpgid(0, 0) = 0
[pid 5402] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 402
[pid 5402] <... symlink resumed>) = 0
[pid 5402] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5402] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5402] write(3, "1000", 4) = 4
[pid 5402] close(3) = 0
[pid 5402] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5402] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5402] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5402] openat(3, "freezer.state", O_RDWR) = 4
[pid 5402] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5402] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5402] close(3) = 0
[pid 5402] close(4) = 0
[pid 5402] close(5) = -1 EBADF (Bad file descriptor)
[pid 5402] close(6) = -1 EBADF (Bad file descriptor)
[pid 5402] close(7) = -1 EBADF (Bad file descriptor)
[pid 5402] close(8) = -1 EBADF (Bad file descriptor)
[pid 5402] close(9) = -1 EBADF (Bad file descriptor)
[pid 5402] close(10) = -1 EBADF (Bad file descriptor)
[pid 5402] close(11) = -1 EBADF (Bad file descriptor)
[pid 5402] close(12) = -1 EBADF (Bad file descriptor)
[pid 5402] close(13) = -1 EBADF (Bad file descriptor)
[pid 5402] close(14) = -1 EBADF (Bad file descriptor)
[pid 5402] close(15) = -1 EBADF (Bad file descriptor)
[pid 5402] close(16) = -1 EBADF (Bad file descriptor)
[pid 5402] close(17) = -1 EBADF (Bad file descriptor)
[pid 5402] close(18) = -1 EBADF (Bad file descriptor)
[pid 5402] close(19) = -1 EBADF (Bad file descriptor)
[pid 5402] close(20) = -1 EBADF (Bad file descriptor)
[pid 5402] close(21) = -1 EBADF (Bad file descriptor)
[pid 5402] close(22) = -1 EBADF (Bad file descriptor)
[pid 5402] close(23) = -1 EBADF (Bad file descriptor)
[pid 5402] close(24) = -1 EBADF (Bad file descriptor)
[pid 5402] close(25) = -1 EBADF (Bad file descriptor)
[pid 5402] close(26) = -1 EBADF (Bad file descriptor)
[pid 5402] close(27) = -1 EBADF (Bad file descriptor)
[pid 5402] close(28) = -1 EBADF (Bad file descriptor)
[pid 5402] close(29) = -1 EBADF (Bad file descriptor)
[pid 5402] exit_group(0) = ?
[pid 5402] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./400", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./400", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./400/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./400/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./400/cgroup.cpu") = 0
[pid 5000] umount2("./400/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./400/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./400/binderfs") = 0
[pid 5000] umount2("./400/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./400/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./400/cgroup") = 0
[pid 5000] umount2("./400/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./400/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./400/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./400") = 0
[pid 5000] mkdir("./401", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5403 attached
<unfinished ...>
[pid 5403] chdir("./401") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 403
[pid 5403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5403] setpgid(0, 0) = 0
[pid 5403] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5403] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5403] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5403] write(3, "1000", 4) = 4
[pid 5403] close(3) = 0
[pid 5403] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5403] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5403] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5403] openat(3, "freezer.state", O_RDWR) = 4
[pid 5403] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5403] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5403] close(3) = 0
[pid 5403] close(4) = 0
[pid 5403] close(5) = -1 EBADF (Bad file descriptor)
[pid 5403] close(6) = -1 EBADF (Bad file descriptor)
[pid 5403] close(7) = -1 EBADF (Bad file descriptor)
[pid 5403] close(8) = -1 EBADF (Bad file descriptor)
[pid 5403] close(9) = -1 EBADF (Bad file descriptor)
[pid 5403] close(10) = -1 EBADF (Bad file descriptor)
[pid 5403] close(11) = -1 EBADF (Bad file descriptor)
[pid 5403] close(12) = -1 EBADF (Bad file descriptor)
[pid 5403] close(13) = -1 EBADF (Bad file descriptor)
[pid 5403] close(14) = -1 EBADF (Bad file descriptor)
[pid 5403] close(15) = -1 EBADF (Bad file descriptor)
[pid 5403] close(16) = -1 EBADF (Bad file descriptor)
[pid 5403] close(17) = -1 EBADF (Bad file descriptor)
[pid 5403] close(18) = -1 EBADF (Bad file descriptor)
[pid 5403] close(19) = -1 EBADF (Bad file descriptor)
[pid 5403] close(20) = -1 EBADF (Bad file descriptor)
[pid 5403] close(21) = -1 EBADF (Bad file descriptor)
[pid 5403] close(22) = -1 EBADF (Bad file descriptor)
[pid 5403] close(23) = -1 EBADF (Bad file descriptor)
[pid 5403] close(24) = -1 EBADF (Bad file descriptor)
[pid 5403] close(25) = -1 EBADF (Bad file descriptor)
[pid 5403] close(26) = -1 EBADF (Bad file descriptor)
[pid 5403] close(27) = -1 EBADF (Bad file descriptor)
[pid 5403] close(28) = -1 EBADF (Bad file descriptor)
[pid 5403] close(29) = -1 EBADF (Bad file descriptor)
[pid 5403] exit_group(0) = ?
[pid 5403] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./401", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./401", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./401/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./401/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./401/cgroup.cpu") = 0
[pid 5000] umount2("./401/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./401/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./401/binderfs") = 0
[pid 5000] umount2("./401/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./401/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./401/cgroup") = 0
[pid 5000] umount2("./401/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./401/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./401/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./401") = 0
[pid 5000] mkdir("./402", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5404 attached
<unfinished ...>
[pid 5404] chdir("./402" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 404
[pid 5404] <... chdir resumed>) = 0
[pid 5404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5404] setpgid(0, 0) = 0
[pid 5404] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5404] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5404] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5404] write(3, "1000", 4) = 4
[pid 5404] close(3) = 0
[pid 5404] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5404] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5404] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5404] openat(3, "freezer.state", O_RDWR) = 4
[pid 5404] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5404] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5404] close(3) = 0
[pid 5404] close(4) = 0
[pid 5404] close(5) = -1 EBADF (Bad file descriptor)
[pid 5404] close(6) = -1 EBADF (Bad file descriptor)
[pid 5404] close(7) = -1 EBADF (Bad file descriptor)
[pid 5404] close(8) = -1 EBADF (Bad file descriptor)
[pid 5404] close(9) = -1 EBADF (Bad file descriptor)
[pid 5404] close(10) = -1 EBADF (Bad file descriptor)
[pid 5404] close(11) = -1 EBADF (Bad file descriptor)
[pid 5404] close(12) = -1 EBADF (Bad file descriptor)
[pid 5404] close(13) = -1 EBADF (Bad file descriptor)
[pid 5404] close(14) = -1 EBADF (Bad file descriptor)
[pid 5404] close(15) = -1 EBADF (Bad file descriptor)
[pid 5404] close(16) = -1 EBADF (Bad file descriptor)
[pid 5404] close(17) = -1 EBADF (Bad file descriptor)
[pid 5404] close(18) = -1 EBADF (Bad file descriptor)
[pid 5404] close(19) = -1 EBADF (Bad file descriptor)
[pid 5404] close(20) = -1 EBADF (Bad file descriptor)
[pid 5404] close(21) = -1 EBADF (Bad file descriptor)
[pid 5404] close(22) = -1 EBADF (Bad file descriptor)
[pid 5404] close(23) = -1 EBADF (Bad file descriptor)
[pid 5404] close(24) = -1 EBADF (Bad file descriptor)
[pid 5404] close(25) = -1 EBADF (Bad file descriptor)
[pid 5404] close(26) = -1 EBADF (Bad file descriptor)
[pid 5404] close(27) = -1 EBADF (Bad file descriptor)
[pid 5404] close(28) = -1 EBADF (Bad file descriptor)
[pid 5404] close(29) = -1 EBADF (Bad file descriptor)
[pid 5404] exit_group(0) = ?
[pid 5404] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=404, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./402", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./402", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./402/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./402/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./402/cgroup.cpu") = 0
[pid 5000] umount2("./402/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./402/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./402/binderfs") = 0
[pid 5000] umount2("./402/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./402/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./402/cgroup") = 0
[pid 5000] umount2("./402/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./402/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./402/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./402") = 0
[pid 5000] mkdir("./403", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5405 attached
<unfinished ...>
[pid 5405] chdir("./403") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 405
[pid 5405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5405] setpgid(0, 0) = 0
[pid 5405] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5405] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5405] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5405] write(3, "1000", 4) = 4
[pid 5405] close(3) = 0
[pid 5405] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5405] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5405] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5405] openat(3, "freezer.state", O_RDWR) = 4
[pid 5405] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5405] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5405] close(3) = 0
[pid 5405] close(4) = 0
[pid 5405] close(5) = -1 EBADF (Bad file descriptor)
[pid 5405] close(6) = -1 EBADF (Bad file descriptor)
[pid 5405] close(7) = -1 EBADF (Bad file descriptor)
[pid 5405] close(8) = -1 EBADF (Bad file descriptor)
[pid 5405] close(9) = -1 EBADF (Bad file descriptor)
[pid 5405] close(10) = -1 EBADF (Bad file descriptor)
[pid 5405] close(11) = -1 EBADF (Bad file descriptor)
[pid 5405] close(12) = -1 EBADF (Bad file descriptor)
[pid 5405] close(13) = -1 EBADF (Bad file descriptor)
[pid 5405] close(14) = -1 EBADF (Bad file descriptor)
[pid 5405] close(15) = -1 EBADF (Bad file descriptor)
[pid 5405] close(16) = -1 EBADF (Bad file descriptor)
[pid 5405] close(17) = -1 EBADF (Bad file descriptor)
[pid 5405] close(18) = -1 EBADF (Bad file descriptor)
[pid 5405] close(19) = -1 EBADF (Bad file descriptor)
[pid 5405] close(20) = -1 EBADF (Bad file descriptor)
[pid 5405] close(21) = -1 EBADF (Bad file descriptor)
[pid 5405] close(22) = -1 EBADF (Bad file descriptor)
[pid 5405] close(23) = -1 EBADF (Bad file descriptor)
[pid 5405] close(24) = -1 EBADF (Bad file descriptor)
[pid 5405] close(25) = -1 EBADF (Bad file descriptor)
[pid 5405] close(26) = -1 EBADF (Bad file descriptor)
[pid 5405] close(27) = -1 EBADF (Bad file descriptor)
[pid 5405] close(28) = -1 EBADF (Bad file descriptor)
[pid 5405] close(29) = -1 EBADF (Bad file descriptor)
[pid 5405] exit_group(0) = ?
[pid 5405] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./403", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./403", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./403/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./403/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./403/cgroup.cpu") = 0
[pid 5000] umount2("./403/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./403/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./403/binderfs") = 0
[pid 5000] umount2("./403/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./403/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./403/cgroup") = 0
[pid 5000] umount2("./403/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./403/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./403/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./403") = 0
[pid 5000] mkdir("./404", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5406 attached
<unfinished ...>
[pid 5406] chdir("./404") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 406
[pid 5406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5406] setpgid(0, 0) = 0
[pid 5406] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5406] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5406] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5406] write(3, "1000", 4) = 4
[pid 5406] close(3) = 0
[pid 5406] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5406] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5406] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5406] openat(3, "freezer.state", O_RDWR) = 4
[pid 5406] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5406] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5406] close(3) = 0
[pid 5406] close(4) = 0
[pid 5406] close(5) = -1 EBADF (Bad file descriptor)
[pid 5406] close(6) = -1 EBADF (Bad file descriptor)
[pid 5406] close(7) = -1 EBADF (Bad file descriptor)
[pid 5406] close(8) = -1 EBADF (Bad file descriptor)
[pid 5406] close(9) = -1 EBADF (Bad file descriptor)
[pid 5406] close(10) = -1 EBADF (Bad file descriptor)
[pid 5406] close(11) = -1 EBADF (Bad file descriptor)
[pid 5406] close(12) = -1 EBADF (Bad file descriptor)
[pid 5406] close(13) = -1 EBADF (Bad file descriptor)
[pid 5406] close(14) = -1 EBADF (Bad file descriptor)
[pid 5406] close(15) = -1 EBADF (Bad file descriptor)
[pid 5406] close(16) = -1 EBADF (Bad file descriptor)
[pid 5406] close(17) = -1 EBADF (Bad file descriptor)
[pid 5406] close(18) = -1 EBADF (Bad file descriptor)
[pid 5406] close(19) = -1 EBADF (Bad file descriptor)
[pid 5406] close(20) = -1 EBADF (Bad file descriptor)
[pid 5406] close(21) = -1 EBADF (Bad file descriptor)
[pid 5406] close(22) = -1 EBADF (Bad file descriptor)
[pid 5406] close(23) = -1 EBADF (Bad file descriptor)
[pid 5406] close(24) = -1 EBADF (Bad file descriptor)
[pid 5406] close(25) = -1 EBADF (Bad file descriptor)
[pid 5406] close(26) = -1 EBADF (Bad file descriptor)
[pid 5406] close(27) = -1 EBADF (Bad file descriptor)
[pid 5406] close(28) = -1 EBADF (Bad file descriptor)
[pid 5406] close(29) = -1 EBADF (Bad file descriptor)
[pid 5406] exit_group(0) = ?
[pid 5406] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./404", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./404", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./404/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./404/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./404/cgroup.cpu") = 0
[pid 5000] umount2("./404/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./404/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./404/binderfs") = 0
[pid 5000] umount2("./404/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./404/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./404/cgroup") = 0
[pid 5000] umount2("./404/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./404/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./404/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./404") = 0
[pid 5000] mkdir("./405", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5407 attached
<unfinished ...>
[pid 5407] chdir("./405") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 407
[pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5407] setpgid(0, 0) = 0
[pid 5407] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5407] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5407] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5407] write(3, "1000", 4) = 4
[pid 5407] close(3) = 0
[pid 5407] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5407] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5407] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5407] openat(3, "freezer.state", O_RDWR) = 4
[pid 5407] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5407] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5407] close(3) = 0
[pid 5407] close(4) = 0
[pid 5407] close(5) = -1 EBADF (Bad file descriptor)
[pid 5407] close(6) = -1 EBADF (Bad file descriptor)
[pid 5407] close(7) = -1 EBADF (Bad file descriptor)
[pid 5407] close(8) = -1 EBADF (Bad file descriptor)
[pid 5407] close(9) = -1 EBADF (Bad file descriptor)
[pid 5407] close(10) = -1 EBADF (Bad file descriptor)
[pid 5407] close(11) = -1 EBADF (Bad file descriptor)
[pid 5407] close(12) = -1 EBADF (Bad file descriptor)
[pid 5407] close(13) = -1 EBADF (Bad file descriptor)
[pid 5407] close(14) = -1 EBADF (Bad file descriptor)
[pid 5407] close(15) = -1 EBADF (Bad file descriptor)
[pid 5407] close(16) = -1 EBADF (Bad file descriptor)
[pid 5407] close(17) = -1 EBADF (Bad file descriptor)
[pid 5407] close(18) = -1 EBADF (Bad file descriptor)
[pid 5407] close(19) = -1 EBADF (Bad file descriptor)
[pid 5407] close(20) = -1 EBADF (Bad file descriptor)
[pid 5407] close(21) = -1 EBADF (Bad file descriptor)
[pid 5407] close(22) = -1 EBADF (Bad file descriptor)
[pid 5407] close(23) = -1 EBADF (Bad file descriptor)
[pid 5407] close(24) = -1 EBADF (Bad file descriptor)
[pid 5407] close(25) = -1 EBADF (Bad file descriptor)
[pid 5407] close(26) = -1 EBADF (Bad file descriptor)
[pid 5407] close(27) = -1 EBADF (Bad file descriptor)
[pid 5407] close(28) = -1 EBADF (Bad file descriptor)
[pid 5407] close(29) = -1 EBADF (Bad file descriptor)
[pid 5407] exit_group(0) = ?
[pid 5407] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./405", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./405", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./405/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./405/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./405/cgroup.cpu") = 0
[pid 5000] umount2("./405/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./405/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./405/binderfs") = 0
[pid 5000] umount2("./405/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./405/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./405/cgroup") = 0
[pid 5000] umount2("./405/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./405/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./405/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./405") = 0
[pid 5000] mkdir("./406", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 408
./strace-static-x86_64: Process 5408 attached
[pid 5408] chdir("./406") = 0
[pid 5408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5408] setpgid(0, 0) = 0
[pid 5408] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5408] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5408] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5408] write(3, "1000", 4) = 4
[pid 5408] close(3) = 0
[pid 5408] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5408] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5408] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5408] openat(3, "freezer.state", O_RDWR) = 4
[pid 5408] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5408] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5408] close(3) = 0
[pid 5408] close(4) = 0
[pid 5408] close(5) = -1 EBADF (Bad file descriptor)
[pid 5408] close(6) = -1 EBADF (Bad file descriptor)
[pid 5408] close(7) = -1 EBADF (Bad file descriptor)
[pid 5408] close(8) = -1 EBADF (Bad file descriptor)
[pid 5408] close(9) = -1 EBADF (Bad file descriptor)
[pid 5408] close(10) = -1 EBADF (Bad file descriptor)
[pid 5408] close(11) = -1 EBADF (Bad file descriptor)
[pid 5408] close(12) = -1 EBADF (Bad file descriptor)
[pid 5408] close(13) = -1 EBADF (Bad file descriptor)
[pid 5408] close(14) = -1 EBADF (Bad file descriptor)
[pid 5408] close(15) = -1 EBADF (Bad file descriptor)
[pid 5408] close(16) = -1 EBADF (Bad file descriptor)
[pid 5408] close(17) = -1 EBADF (Bad file descriptor)
[pid 5408] close(18) = -1 EBADF (Bad file descriptor)
[pid 5408] close(19) = -1 EBADF (Bad file descriptor)
[pid 5408] close(20) = -1 EBADF (Bad file descriptor)
[pid 5408] close(21) = -1 EBADF (Bad file descriptor)
[pid 5408] close(22) = -1 EBADF (Bad file descriptor)
[pid 5408] close(23) = -1 EBADF (Bad file descriptor)
[pid 5408] close(24) = -1 EBADF (Bad file descriptor)
[pid 5408] close(25) = -1 EBADF (Bad file descriptor)
[pid 5408] close(26) = -1 EBADF (Bad file descriptor)
[pid 5408] close(27) = -1 EBADF (Bad file descriptor)
[pid 5408] close(28) = -1 EBADF (Bad file descriptor)
[pid 5408] close(29) = -1 EBADF (Bad file descriptor)
[pid 5408] exit_group(0) = ?
[pid 5408] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./406", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./406", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./406/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./406/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./406/cgroup.cpu") = 0
[pid 5000] umount2("./406/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./406/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./406/binderfs") = 0
[pid 5000] umount2("./406/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./406/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./406/cgroup") = 0
[pid 5000] umount2("./406/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./406/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./406/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./406") = 0
[pid 5000] mkdir("./407", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5409 attached
<unfinished ...>
[pid 5409] chdir("./407") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 409
[pid 5409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5409] setpgid(0, 0) = 0
[pid 5409] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5409] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5409] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5409] write(3, "1000", 4) = 4
[pid 5409] close(3) = 0
[pid 5409] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5409] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5409] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5409] openat(3, "freezer.state", O_RDWR) = 4
[pid 5409] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5409] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5409] close(3) = 0
[pid 5409] close(4) = 0
[pid 5409] close(5) = -1 EBADF (Bad file descriptor)
[pid 5409] close(6) = -1 EBADF (Bad file descriptor)
[pid 5409] close(7) = -1 EBADF (Bad file descriptor)
[pid 5409] close(8) = -1 EBADF (Bad file descriptor)
[pid 5409] close(9) = -1 EBADF (Bad file descriptor)
[pid 5409] close(10) = -1 EBADF (Bad file descriptor)
[pid 5409] close(11) = -1 EBADF (Bad file descriptor)
[pid 5409] close(12) = -1 EBADF (Bad file descriptor)
[pid 5409] close(13) = -1 EBADF (Bad file descriptor)
[pid 5409] close(14) = -1 EBADF (Bad file descriptor)
[pid 5409] close(15) = -1 EBADF (Bad file descriptor)
[pid 5409] close(16) = -1 EBADF (Bad file descriptor)
[pid 5409] close(17) = -1 EBADF (Bad file descriptor)
[pid 5409] close(18) = -1 EBADF (Bad file descriptor)
[pid 5409] close(19) = -1 EBADF (Bad file descriptor)
[pid 5409] close(20) = -1 EBADF (Bad file descriptor)
[pid 5409] close(21) = -1 EBADF (Bad file descriptor)
[pid 5409] close(22) = -1 EBADF (Bad file descriptor)
[pid 5409] close(23) = -1 EBADF (Bad file descriptor)
[pid 5409] close(24) = -1 EBADF (Bad file descriptor)
[pid 5409] close(25) = -1 EBADF (Bad file descriptor)
[pid 5409] close(26) = -1 EBADF (Bad file descriptor)
[pid 5409] close(27) = -1 EBADF (Bad file descriptor)
[pid 5409] close(28) = -1 EBADF (Bad file descriptor)
[pid 5409] close(29) = -1 EBADF (Bad file descriptor)
[pid 5409] exit_group(0) = ?
[pid 5409] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./407", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./407", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./407/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./407/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./407/cgroup.cpu") = 0
[pid 5000] umount2("./407/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./407/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./407/binderfs") = 0
[pid 5000] umount2("./407/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./407/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./407/cgroup") = 0
[pid 5000] umount2("./407/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./407/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./407/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./407") = 0
[pid 5000] mkdir("./408", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5410 attached
<unfinished ...>
[pid 5410] chdir("./408") = 0
[pid 5410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 410
[pid 5410] setpgid(0, 0) = 0
[pid 5410] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5410] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5410] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5410] write(3, "1000", 4) = 4
[pid 5410] close(3) = 0
[pid 5410] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5410] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5410] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5410] openat(3, "freezer.state", O_RDWR) = 4
[pid 5410] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5410] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5410] close(3) = 0
[pid 5410] close(4) = 0
[pid 5410] close(5) = -1 EBADF (Bad file descriptor)
[pid 5410] close(6) = -1 EBADF (Bad file descriptor)
[pid 5410] close(7) = -1 EBADF (Bad file descriptor)
[pid 5410] close(8) = -1 EBADF (Bad file descriptor)
[pid 5410] close(9) = -1 EBADF (Bad file descriptor)
[pid 5410] close(10) = -1 EBADF (Bad file descriptor)
[pid 5410] close(11) = -1 EBADF (Bad file descriptor)
[pid 5410] close(12) = -1 EBADF (Bad file descriptor)
[pid 5410] close(13) = -1 EBADF (Bad file descriptor)
[pid 5410] close(14) = -1 EBADF (Bad file descriptor)
[pid 5410] close(15) = -1 EBADF (Bad file descriptor)
[pid 5410] close(16) = -1 EBADF (Bad file descriptor)
[pid 5410] close(17) = -1 EBADF (Bad file descriptor)
[pid 5410] close(18) = -1 EBADF (Bad file descriptor)
[pid 5410] close(19) = -1 EBADF (Bad file descriptor)
[pid 5410] close(20) = -1 EBADF (Bad file descriptor)
[pid 5410] close(21) = -1 EBADF (Bad file descriptor)
[pid 5410] close(22) = -1 EBADF (Bad file descriptor)
[pid 5410] close(23) = -1 EBADF (Bad file descriptor)
[pid 5410] close(24) = -1 EBADF (Bad file descriptor)
[pid 5410] close(25) = -1 EBADF (Bad file descriptor)
[pid 5410] close(26) = -1 EBADF (Bad file descriptor)
[pid 5410] close(27) = -1 EBADF (Bad file descriptor)
[pid 5410] close(28) = -1 EBADF (Bad file descriptor)
[pid 5410] close(29) = -1 EBADF (Bad file descriptor)
[pid 5410] exit_group(0) = ?
[pid 5410] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./408", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./408", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./408/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./408/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./408/cgroup.cpu") = 0
[pid 5000] umount2("./408/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./408/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./408/binderfs") = 0
[pid 5000] umount2("./408/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./408/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./408/cgroup") = 0
[pid 5000] umount2("./408/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./408/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./408/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./408") = 0
[pid 5000] mkdir("./409", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5411 attached
<unfinished ...>
[pid 5411] chdir("./409") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 411
[pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5411] setpgid(0, 0) = 0
[pid 5411] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5411] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5411] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5411] write(3, "1000", 4) = 4
[pid 5411] close(3) = 0
[pid 5411] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5411] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5411] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5411] openat(3, "freezer.state", O_RDWR) = 4
[pid 5411] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5411] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5411] close(3) = 0
[pid 5411] close(4) = 0
[pid 5411] close(5) = -1 EBADF (Bad file descriptor)
[pid 5411] close(6) = -1 EBADF (Bad file descriptor)
[pid 5411] close(7) = -1 EBADF (Bad file descriptor)
[pid 5411] close(8) = -1 EBADF (Bad file descriptor)
[pid 5411] close(9) = -1 EBADF (Bad file descriptor)
[pid 5411] close(10) = -1 EBADF (Bad file descriptor)
[pid 5411] close(11) = -1 EBADF (Bad file descriptor)
[pid 5411] close(12) = -1 EBADF (Bad file descriptor)
[pid 5411] close(13) = -1 EBADF (Bad file descriptor)
[pid 5411] close(14) = -1 EBADF (Bad file descriptor)
[pid 5411] close(15) = -1 EBADF (Bad file descriptor)
[pid 5411] close(16) = -1 EBADF (Bad file descriptor)
[pid 5411] close(17) = -1 EBADF (Bad file descriptor)
[pid 5411] close(18) = -1 EBADF (Bad file descriptor)
[pid 5411] close(19) = -1 EBADF (Bad file descriptor)
[pid 5411] close(20) = -1 EBADF (Bad file descriptor)
[pid 5411] close(21) = -1 EBADF (Bad file descriptor)
[pid 5411] close(22) = -1 EBADF (Bad file descriptor)
[pid 5411] close(23) = -1 EBADF (Bad file descriptor)
[pid 5411] close(24) = -1 EBADF (Bad file descriptor)
[pid 5411] close(25) = -1 EBADF (Bad file descriptor)
[pid 5411] close(26) = -1 EBADF (Bad file descriptor)
[pid 5411] close(27) = -1 EBADF (Bad file descriptor)
[pid 5411] close(28) = -1 EBADF (Bad file descriptor)
[pid 5411] close(29) = -1 EBADF (Bad file descriptor)
[pid 5411] exit_group(0) = ?
[pid 5411] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./409", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./409", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./409/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./409/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./409/cgroup.cpu") = 0
[pid 5000] umount2("./409/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./409/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./409/binderfs") = 0
[pid 5000] umount2("./409/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./409/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./409/cgroup") = 0
[pid 5000] umount2("./409/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./409/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./409/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./409") = 0
[pid 5000] mkdir("./410", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5412 attached
<unfinished ...>
[pid 5412] chdir("./410") = 0
[pid 5412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5412] setpgid(0, 0) = 0
[pid 5412] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 412
[pid 5412] <... symlink resumed>) = 0
[pid 5412] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5412] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5412] write(3, "1000", 4) = 4
[pid 5412] close(3) = 0
[pid 5412] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5412] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5412] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5412] openat(3, "freezer.state", O_RDWR) = 4
[pid 5412] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5412] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5412] close(3) = 0
[pid 5412] close(4) = 0
[pid 5412] close(5) = -1 EBADF (Bad file descriptor)
[pid 5412] close(6) = -1 EBADF (Bad file descriptor)
[pid 5412] close(7) = -1 EBADF (Bad file descriptor)
[pid 5412] close(8) = -1 EBADF (Bad file descriptor)
[pid 5412] close(9) = -1 EBADF (Bad file descriptor)
[pid 5412] close(10) = -1 EBADF (Bad file descriptor)
[pid 5412] close(11) = -1 EBADF (Bad file descriptor)
[pid 5412] close(12) = -1 EBADF (Bad file descriptor)
[pid 5412] close(13) = -1 EBADF (Bad file descriptor)
[pid 5412] close(14) = -1 EBADF (Bad file descriptor)
[pid 5412] close(15) = -1 EBADF (Bad file descriptor)
[pid 5412] close(16) = -1 EBADF (Bad file descriptor)
[pid 5412] close(17) = -1 EBADF (Bad file descriptor)
[pid 5412] close(18) = -1 EBADF (Bad file descriptor)
[pid 5412] close(19) = -1 EBADF (Bad file descriptor)
[pid 5412] close(20) = -1 EBADF (Bad file descriptor)
[pid 5412] close(21) = -1 EBADF (Bad file descriptor)
[pid 5412] close(22) = -1 EBADF (Bad file descriptor)
[pid 5412] close(23) = -1 EBADF (Bad file descriptor)
[pid 5412] close(24) = -1 EBADF (Bad file descriptor)
[pid 5412] close(25) = -1 EBADF (Bad file descriptor)
[pid 5412] close(26) = -1 EBADF (Bad file descriptor)
[pid 5412] close(27) = -1 EBADF (Bad file descriptor)
[pid 5412] close(28) = -1 EBADF (Bad file descriptor)
[pid 5412] close(29) = -1 EBADF (Bad file descriptor)
[pid 5412] exit_group(0) = ?
[pid 5412] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./410", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./410", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./410/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./410/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./410/cgroup.cpu") = 0
[pid 5000] umount2("./410/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./410/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./410/binderfs") = 0
[pid 5000] umount2("./410/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./410/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./410/cgroup") = 0
[pid 5000] umount2("./410/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./410/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./410/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./410") = 0
[pid 5000] mkdir("./411", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5413 attached
<unfinished ...>
[pid 5413] chdir("./411" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 413
[pid 5413] <... chdir resumed>) = 0
[pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5413] setpgid(0, 0) = 0
[pid 5413] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5413] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5413] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5413] write(3, "1000", 4) = 4
[pid 5413] close(3) = 0
[pid 5413] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5413] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5413] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5413] openat(3, "freezer.state", O_RDWR) = 4
[pid 5413] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5413] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5413] close(3) = 0
[pid 5413] close(4) = 0
[pid 5413] close(5) = -1 EBADF (Bad file descriptor)
[pid 5413] close(6) = -1 EBADF (Bad file descriptor)
[pid 5413] close(7) = -1 EBADF (Bad file descriptor)
[pid 5413] close(8) = -1 EBADF (Bad file descriptor)
[pid 5413] close(9) = -1 EBADF (Bad file descriptor)
[pid 5413] close(10) = -1 EBADF (Bad file descriptor)
[pid 5413] close(11) = -1 EBADF (Bad file descriptor)
[pid 5413] close(12) = -1 EBADF (Bad file descriptor)
[pid 5413] close(13) = -1 EBADF (Bad file descriptor)
[pid 5413] close(14) = -1 EBADF (Bad file descriptor)
[pid 5413] close(15) = -1 EBADF (Bad file descriptor)
[pid 5413] close(16) = -1 EBADF (Bad file descriptor)
[pid 5413] close(17) = -1 EBADF (Bad file descriptor)
[pid 5413] close(18) = -1 EBADF (Bad file descriptor)
[pid 5413] close(19) = -1 EBADF (Bad file descriptor)
[pid 5413] close(20) = -1 EBADF (Bad file descriptor)
[pid 5413] close(21) = -1 EBADF (Bad file descriptor)
[pid 5413] close(22) = -1 EBADF (Bad file descriptor)
[pid 5413] close(23) = -1 EBADF (Bad file descriptor)
[pid 5413] close(24) = -1 EBADF (Bad file descriptor)
[pid 5413] close(25) = -1 EBADF (Bad file descriptor)
[pid 5413] close(26) = -1 EBADF (Bad file descriptor)
[pid 5413] close(27) = -1 EBADF (Bad file descriptor)
[pid 5413] close(28) = -1 EBADF (Bad file descriptor)
[pid 5413] close(29) = -1 EBADF (Bad file descriptor)
[pid 5413] exit_group(0) = ?
[pid 5413] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./411", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./411", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./411/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./411/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./411/cgroup.cpu") = 0
[pid 5000] umount2("./411/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./411/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./411/binderfs") = 0
[pid 5000] umount2("./411/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./411/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./411/cgroup") = 0
[pid 5000] umount2("./411/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./411/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./411/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./411") = 0
[pid 5000] mkdir("./412", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 414
./strace-static-x86_64: Process 5414 attached
[pid 5414] chdir("./412") = 0
[pid 5414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5414] setpgid(0, 0) = 0
[pid 5414] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5414] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5414] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5414] write(3, "1000", 4) = 4
[pid 5414] close(3) = 0
[pid 5414] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5414] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5414] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5414] openat(3, "freezer.state", O_RDWR) = 4
[pid 5414] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5414] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5414] close(3) = 0
[pid 5414] close(4) = 0
[pid 5414] close(5) = -1 EBADF (Bad file descriptor)
[pid 5414] close(6) = -1 EBADF (Bad file descriptor)
[pid 5414] close(7) = -1 EBADF (Bad file descriptor)
[pid 5414] close(8) = -1 EBADF (Bad file descriptor)
[pid 5414] close(9) = -1 EBADF (Bad file descriptor)
[pid 5414] close(10) = -1 EBADF (Bad file descriptor)
[pid 5414] close(11) = -1 EBADF (Bad file descriptor)
[pid 5414] close(12) = -1 EBADF (Bad file descriptor)
[pid 5414] close(13) = -1 EBADF (Bad file descriptor)
[pid 5414] close(14) = -1 EBADF (Bad file descriptor)
[pid 5414] close(15) = -1 EBADF (Bad file descriptor)
[pid 5414] close(16) = -1 EBADF (Bad file descriptor)
[pid 5414] close(17) = -1 EBADF (Bad file descriptor)
[pid 5414] close(18) = -1 EBADF (Bad file descriptor)
[pid 5414] close(19) = -1 EBADF (Bad file descriptor)
[pid 5414] close(20) = -1 EBADF (Bad file descriptor)
[pid 5414] close(21) = -1 EBADF (Bad file descriptor)
[pid 5414] close(22) = -1 EBADF (Bad file descriptor)
[pid 5414] close(23) = -1 EBADF (Bad file descriptor)
[pid 5414] close(24) = -1 EBADF (Bad file descriptor)
[pid 5414] close(25) = -1 EBADF (Bad file descriptor)
[pid 5414] close(26) = -1 EBADF (Bad file descriptor)
[pid 5414] close(27) = -1 EBADF (Bad file descriptor)
[pid 5414] close(28) = -1 EBADF (Bad file descriptor)
[pid 5414] close(29) = -1 EBADF (Bad file descriptor)
[pid 5414] exit_group(0) = ?
[pid 5414] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./412", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./412", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./412/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./412/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./412/cgroup.cpu") = 0
[pid 5000] umount2("./412/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./412/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./412/binderfs") = 0
[pid 5000] umount2("./412/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./412/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./412/cgroup") = 0
[pid 5000] umount2("./412/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./412/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./412/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./412") = 0
[pid 5000] mkdir("./413", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 415
./strace-static-x86_64: Process 5415 attached
[pid 5415] chdir("./413") = 0
[pid 5415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5415] setpgid(0, 0) = 0
[pid 5415] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5415] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5415] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5415] write(3, "1000", 4) = 4
[pid 5415] close(3) = 0
[pid 5415] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5415] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5415] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5415] openat(3, "freezer.state", O_RDWR) = 4
[pid 5415] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5415] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5415] close(3) = 0
[pid 5415] close(4) = 0
[pid 5415] close(5) = -1 EBADF (Bad file descriptor)
[pid 5415] close(6) = -1 EBADF (Bad file descriptor)
[pid 5415] close(7) = -1 EBADF (Bad file descriptor)
[pid 5415] close(8) = -1 EBADF (Bad file descriptor)
[pid 5415] close(9) = -1 EBADF (Bad file descriptor)
[pid 5415] close(10) = -1 EBADF (Bad file descriptor)
[pid 5415] close(11) = -1 EBADF (Bad file descriptor)
[pid 5415] close(12) = -1 EBADF (Bad file descriptor)
[pid 5415] close(13) = -1 EBADF (Bad file descriptor)
[pid 5415] close(14) = -1 EBADF (Bad file descriptor)
[pid 5415] close(15) = -1 EBADF (Bad file descriptor)
[pid 5415] close(16) = -1 EBADF (Bad file descriptor)
[pid 5415] close(17) = -1 EBADF (Bad file descriptor)
[pid 5415] close(18) = -1 EBADF (Bad file descriptor)
[pid 5415] close(19) = -1 EBADF (Bad file descriptor)
[pid 5415] close(20) = -1 EBADF (Bad file descriptor)
[pid 5415] close(21) = -1 EBADF (Bad file descriptor)
[pid 5415] close(22) = -1 EBADF (Bad file descriptor)
[pid 5415] close(23) = -1 EBADF (Bad file descriptor)
[pid 5415] close(24) = -1 EBADF (Bad file descriptor)
[pid 5415] close(25) = -1 EBADF (Bad file descriptor)
[pid 5415] close(26) = -1 EBADF (Bad file descriptor)
[pid 5415] close(27) = -1 EBADF (Bad file descriptor)
[pid 5415] close(28) = -1 EBADF (Bad file descriptor)
[pid 5415] close(29) = -1 EBADF (Bad file descriptor)
[pid 5415] exit_group(0) = ?
[pid 5415] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./413", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./413", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./413/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./413/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./413/cgroup.cpu") = 0
[pid 5000] umount2("./413/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./413/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./413/binderfs") = 0
[pid 5000] umount2("./413/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./413/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./413/cgroup") = 0
[pid 5000] umount2("./413/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./413/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./413/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./413") = 0
[pid 5000] mkdir("./414", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5416 attached
, child_tidptr=0x55555723f5d0) = 416
[pid 5416] chdir("./414") = 0
[pid 5416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5416] setpgid(0, 0) = 0
[pid 5416] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5416] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5416] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5416] write(3, "1000", 4) = 4
[pid 5416] close(3) = 0
[pid 5416] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5416] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5416] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5416] openat(3, "freezer.state", O_RDWR) = 4
[pid 5416] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5416] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5416] close(3) = 0
[pid 5416] close(4) = 0
[pid 5416] close(5) = -1 EBADF (Bad file descriptor)
[pid 5416] close(6) = -1 EBADF (Bad file descriptor)
[pid 5416] close(7) = -1 EBADF (Bad file descriptor)
[pid 5416] close(8) = -1 EBADF (Bad file descriptor)
[pid 5416] close(9) = -1 EBADF (Bad file descriptor)
[pid 5416] close(10) = -1 EBADF (Bad file descriptor)
[pid 5416] close(11) = -1 EBADF (Bad file descriptor)
[pid 5416] close(12) = -1 EBADF (Bad file descriptor)
[pid 5416] close(13) = -1 EBADF (Bad file descriptor)
[pid 5416] close(14) = -1 EBADF (Bad file descriptor)
[pid 5416] close(15) = -1 EBADF (Bad file descriptor)
[pid 5416] close(16) = -1 EBADF (Bad file descriptor)
[pid 5416] close(17) = -1 EBADF (Bad file descriptor)
[pid 5416] close(18) = -1 EBADF (Bad file descriptor)
[pid 5416] close(19) = -1 EBADF (Bad file descriptor)
[pid 5416] close(20) = -1 EBADF (Bad file descriptor)
[pid 5416] close(21) = -1 EBADF (Bad file descriptor)
[pid 5416] close(22) = -1 EBADF (Bad file descriptor)
[pid 5416] close(23) = -1 EBADF (Bad file descriptor)
[pid 5416] close(24) = -1 EBADF (Bad file descriptor)
[pid 5416] close(25) = -1 EBADF (Bad file descriptor)
[pid 5416] close(26) = -1 EBADF (Bad file descriptor)
[pid 5416] close(27) = -1 EBADF (Bad file descriptor)
[pid 5416] close(28) = -1 EBADF (Bad file descriptor)
[pid 5416] close(29) = -1 EBADF (Bad file descriptor)
[pid 5416] exit_group(0) = ?
[pid 5416] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./414", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./414", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./414/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./414/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./414/cgroup.cpu") = 0
[pid 5000] umount2("./414/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./414/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./414/binderfs") = 0
[pid 5000] umount2("./414/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./414/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./414/cgroup") = 0
[pid 5000] umount2("./414/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./414/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./414/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./414") = 0
[pid 5000] mkdir("./415", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5417 attached
<unfinished ...>
[pid 5417] chdir("./415") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 417
[pid 5417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5417] setpgid(0, 0) = 0
[pid 5417] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5417] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5417] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5417] write(3, "1000", 4) = 4
[pid 5417] close(3) = 0
[pid 5417] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5417] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5417] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5417] openat(3, "freezer.state", O_RDWR) = 4
[pid 5417] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5417] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5417] close(3) = 0
[pid 5417] close(4) = 0
[pid 5417] close(5) = -1 EBADF (Bad file descriptor)
[pid 5417] close(6) = -1 EBADF (Bad file descriptor)
[pid 5417] close(7) = -1 EBADF (Bad file descriptor)
[pid 5417] close(8) = -1 EBADF (Bad file descriptor)
[pid 5417] close(9) = -1 EBADF (Bad file descriptor)
[pid 5417] close(10) = -1 EBADF (Bad file descriptor)
[pid 5417] close(11) = -1 EBADF (Bad file descriptor)
[pid 5417] close(12) = -1 EBADF (Bad file descriptor)
[pid 5417] close(13) = -1 EBADF (Bad file descriptor)
[pid 5417] close(14) = -1 EBADF (Bad file descriptor)
[pid 5417] close(15) = -1 EBADF (Bad file descriptor)
[pid 5417] close(16) = -1 EBADF (Bad file descriptor)
[pid 5417] close(17) = -1 EBADF (Bad file descriptor)
[pid 5417] close(18) = -1 EBADF (Bad file descriptor)
[pid 5417] close(19) = -1 EBADF (Bad file descriptor)
[pid 5417] close(20) = -1 EBADF (Bad file descriptor)
[pid 5417] close(21) = -1 EBADF (Bad file descriptor)
[pid 5417] close(22) = -1 EBADF (Bad file descriptor)
[pid 5417] close(23) = -1 EBADF (Bad file descriptor)
[pid 5417] close(24) = -1 EBADF (Bad file descriptor)
[pid 5417] close(25) = -1 EBADF (Bad file descriptor)
[pid 5417] close(26) = -1 EBADF (Bad file descriptor)
[pid 5417] close(27) = -1 EBADF (Bad file descriptor)
[pid 5417] close(28) = -1 EBADF (Bad file descriptor)
[pid 5417] close(29) = -1 EBADF (Bad file descriptor)
[pid 5417] exit_group(0) = ?
[pid 5417] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./415", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./415", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./415/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./415/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./415/cgroup.cpu") = 0
[pid 5000] umount2("./415/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./415/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./415/binderfs") = 0
[pid 5000] umount2("./415/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./415/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./415/cgroup") = 0
[pid 5000] umount2("./415/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./415/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./415/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./415") = 0
[pid 5000] mkdir("./416", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5418 attached
<unfinished ...>
[pid 5418] chdir("./416") = 0
[pid 5418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5418] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 418
[pid 5418] <... setpgid resumed>) = 0
[pid 5418] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5418] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5418] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5418] write(3, "1000", 4) = 4
[pid 5418] close(3) = 0
[pid 5418] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5418] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5418] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5418] openat(3, "freezer.state", O_RDWR) = 4
[pid 5418] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5418] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5418] close(3) = 0
[pid 5418] close(4) = 0
[pid 5418] close(5) = -1 EBADF (Bad file descriptor)
[pid 5418] close(6) = -1 EBADF (Bad file descriptor)
[pid 5418] close(7) = -1 EBADF (Bad file descriptor)
[pid 5418] close(8) = -1 EBADF (Bad file descriptor)
[pid 5418] close(9) = -1 EBADF (Bad file descriptor)
[pid 5418] close(10) = -1 EBADF (Bad file descriptor)
[pid 5418] close(11) = -1 EBADF (Bad file descriptor)
[pid 5418] close(12) = -1 EBADF (Bad file descriptor)
[pid 5418] close(13) = -1 EBADF (Bad file descriptor)
[pid 5418] close(14) = -1 EBADF (Bad file descriptor)
[pid 5418] close(15) = -1 EBADF (Bad file descriptor)
[pid 5418] close(16) = -1 EBADF (Bad file descriptor)
[pid 5418] close(17) = -1 EBADF (Bad file descriptor)
[pid 5418] close(18) = -1 EBADF (Bad file descriptor)
[pid 5418] close(19) = -1 EBADF (Bad file descriptor)
[pid 5418] close(20) = -1 EBADF (Bad file descriptor)
[pid 5418] close(21) = -1 EBADF (Bad file descriptor)
[pid 5418] close(22) = -1 EBADF (Bad file descriptor)
[pid 5418] close(23) = -1 EBADF (Bad file descriptor)
[pid 5418] close(24) = -1 EBADF (Bad file descriptor)
[pid 5418] close(25) = -1 EBADF (Bad file descriptor)
[pid 5418] close(26) = -1 EBADF (Bad file descriptor)
[pid 5418] close(27) = -1 EBADF (Bad file descriptor)
[pid 5418] close(28) = -1 EBADF (Bad file descriptor)
[pid 5418] close(29) = -1 EBADF (Bad file descriptor)
[pid 5418] exit_group(0) = ?
[pid 5418] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./416", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./416", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./416/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./416/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./416/cgroup.cpu") = 0
[pid 5000] umount2("./416/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./416/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./416/binderfs") = 0
[pid 5000] umount2("./416/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./416/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./416/cgroup") = 0
[pid 5000] umount2("./416/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./416/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./416/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./416") = 0
[pid 5000] mkdir("./417", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5419 attached
<unfinished ...>
[pid 5419] chdir("./417") = 0
[pid 5419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 419
[pid 5419] setpgid(0, 0) = 0
[pid 5419] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5419] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5419] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5419] write(3, "1000", 4) = 4
[pid 5419] close(3) = 0
[pid 5419] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5419] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5419] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5419] openat(3, "freezer.state", O_RDWR) = 4
[pid 5419] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5419] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5419] close(3) = 0
[pid 5419] close(4) = 0
[pid 5419] close(5) = -1 EBADF (Bad file descriptor)
[pid 5419] close(6) = -1 EBADF (Bad file descriptor)
[pid 5419] close(7) = -1 EBADF (Bad file descriptor)
[pid 5419] close(8) = -1 EBADF (Bad file descriptor)
[pid 5419] close(9) = -1 EBADF (Bad file descriptor)
[pid 5419] close(10) = -1 EBADF (Bad file descriptor)
[pid 5419] close(11) = -1 EBADF (Bad file descriptor)
[pid 5419] close(12) = -1 EBADF (Bad file descriptor)
[pid 5419] close(13) = -1 EBADF (Bad file descriptor)
[pid 5419] close(14) = -1 EBADF (Bad file descriptor)
[pid 5419] close(15) = -1 EBADF (Bad file descriptor)
[pid 5419] close(16) = -1 EBADF (Bad file descriptor)
[pid 5419] close(17) = -1 EBADF (Bad file descriptor)
[pid 5419] close(18) = -1 EBADF (Bad file descriptor)
[pid 5419] close(19) = -1 EBADF (Bad file descriptor)
[pid 5419] close(20) = -1 EBADF (Bad file descriptor)
[pid 5419] close(21) = -1 EBADF (Bad file descriptor)
[pid 5419] close(22) = -1 EBADF (Bad file descriptor)
[pid 5419] close(23) = -1 EBADF (Bad file descriptor)
[pid 5419] close(24) = -1 EBADF (Bad file descriptor)
[pid 5419] close(25) = -1 EBADF (Bad file descriptor)
[pid 5419] close(26) = -1 EBADF (Bad file descriptor)
[pid 5419] close(27) = -1 EBADF (Bad file descriptor)
[pid 5419] close(28) = -1 EBADF (Bad file descriptor)
[pid 5419] close(29) = -1 EBADF (Bad file descriptor)
[pid 5419] exit_group(0) = ?
[pid 5419] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./417", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./417", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./417/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./417/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./417/cgroup.cpu") = 0
[pid 5000] umount2("./417/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./417/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./417/binderfs") = 0
[pid 5000] umount2("./417/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./417/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./417/cgroup") = 0
[pid 5000] umount2("./417/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./417/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./417/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./417") = 0
[pid 5000] mkdir("./418", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 420
./strace-static-x86_64: Process 5420 attached
[pid 5420] chdir("./418") = 0
[pid 5420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5420] setpgid(0, 0) = 0
[pid 5420] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5420] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5420] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5420] write(3, "1000", 4) = 4
[pid 5420] close(3) = 0
[pid 5420] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5420] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5420] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5420] openat(3, "freezer.state", O_RDWR) = 4
[pid 5420] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5420] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5420] close(3) = 0
[pid 5420] close(4) = 0
[pid 5420] close(5) = -1 EBADF (Bad file descriptor)
[pid 5420] close(6) = -1 EBADF (Bad file descriptor)
[pid 5420] close(7) = -1 EBADF (Bad file descriptor)
[pid 5420] close(8) = -1 EBADF (Bad file descriptor)
[pid 5420] close(9) = -1 EBADF (Bad file descriptor)
[pid 5420] close(10) = -1 EBADF (Bad file descriptor)
[pid 5420] close(11) = -1 EBADF (Bad file descriptor)
[pid 5420] close(12) = -1 EBADF (Bad file descriptor)
[pid 5420] close(13) = -1 EBADF (Bad file descriptor)
[pid 5420] close(14) = -1 EBADF (Bad file descriptor)
[pid 5420] close(15) = -1 EBADF (Bad file descriptor)
[pid 5420] close(16) = -1 EBADF (Bad file descriptor)
[pid 5420] close(17) = -1 EBADF (Bad file descriptor)
[pid 5420] close(18) = -1 EBADF (Bad file descriptor)
[pid 5420] close(19) = -1 EBADF (Bad file descriptor)
[pid 5420] close(20) = -1 EBADF (Bad file descriptor)
[pid 5420] close(21) = -1 EBADF (Bad file descriptor)
[pid 5420] close(22) = -1 EBADF (Bad file descriptor)
[pid 5420] close(23) = -1 EBADF (Bad file descriptor)
[pid 5420] close(24) = -1 EBADF (Bad file descriptor)
[pid 5420] close(25) = -1 EBADF (Bad file descriptor)
[pid 5420] close(26) = -1 EBADF (Bad file descriptor)
[pid 5420] close(27) = -1 EBADF (Bad file descriptor)
[pid 5420] close(28) = -1 EBADF (Bad file descriptor)
[pid 5420] close(29) = -1 EBADF (Bad file descriptor)
[pid 5420] exit_group(0) = ?
[pid 5420] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./418", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./418", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./418/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./418/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./418/cgroup.cpu") = 0
[pid 5000] umount2("./418/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./418/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./418/binderfs") = 0
[pid 5000] umount2("./418/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./418/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./418/cgroup") = 0
[pid 5000] umount2("./418/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./418/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./418/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./418") = 0
[pid 5000] mkdir("./419", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5421 attached
<unfinished ...>
[pid 5421] chdir("./419") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 421
[pid 5421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5421] setpgid(0, 0) = 0
[pid 5421] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5421] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5421] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5421] write(3, "1000", 4) = 4
[pid 5421] close(3) = 0
[pid 5421] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5421] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5421] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5421] openat(3, "freezer.state", O_RDWR) = 4
[pid 5421] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5421] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5421] close(3) = 0
[pid 5421] close(4) = 0
[pid 5421] close(5) = -1 EBADF (Bad file descriptor)
[pid 5421] close(6) = -1 EBADF (Bad file descriptor)
[pid 5421] close(7) = -1 EBADF (Bad file descriptor)
[pid 5421] close(8) = -1 EBADF (Bad file descriptor)
[pid 5421] close(9) = -1 EBADF (Bad file descriptor)
[pid 5421] close(10) = -1 EBADF (Bad file descriptor)
[pid 5421] close(11) = -1 EBADF (Bad file descriptor)
[pid 5421] close(12) = -1 EBADF (Bad file descriptor)
[pid 5421] close(13) = -1 EBADF (Bad file descriptor)
[pid 5421] close(14) = -1 EBADF (Bad file descriptor)
[pid 5421] close(15) = -1 EBADF (Bad file descriptor)
[pid 5421] close(16) = -1 EBADF (Bad file descriptor)
[pid 5421] close(17) = -1 EBADF (Bad file descriptor)
[pid 5421] close(18) = -1 EBADF (Bad file descriptor)
[pid 5421] close(19) = -1 EBADF (Bad file descriptor)
[pid 5421] close(20) = -1 EBADF (Bad file descriptor)
[pid 5421] close(21) = -1 EBADF (Bad file descriptor)
[pid 5421] close(22) = -1 EBADF (Bad file descriptor)
[pid 5421] close(23) = -1 EBADF (Bad file descriptor)
[pid 5421] close(24) = -1 EBADF (Bad file descriptor)
[pid 5421] close(25) = -1 EBADF (Bad file descriptor)
[pid 5421] close(26) = -1 EBADF (Bad file descriptor)
[pid 5421] close(27) = -1 EBADF (Bad file descriptor)
[pid 5421] close(28) = -1 EBADF (Bad file descriptor)
[pid 5421] close(29) = -1 EBADF (Bad file descriptor)
[pid 5421] exit_group(0) = ?
[pid 5421] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./419", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./419", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./419/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./419/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./419/cgroup.cpu") = 0
[pid 5000] umount2("./419/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./419/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./419/binderfs") = 0
[pid 5000] umount2("./419/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./419/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./419/cgroup") = 0
[pid 5000] umount2("./419/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./419/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./419/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./419") = 0
[pid 5000] mkdir("./420", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5422 attached
<unfinished ...>
[pid 5422] chdir("./420" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 422
[pid 5422] <... chdir resumed>) = 0
[pid 5422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5422] setpgid(0, 0) = 0
[pid 5422] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5422] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5422] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5422] write(3, "1000", 4) = 4
[pid 5422] close(3) = 0
[pid 5422] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5422] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5422] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5422] openat(3, "freezer.state", O_RDWR) = 4
[pid 5422] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5422] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5422] close(3) = 0
[pid 5422] close(4) = 0
[pid 5422] close(5) = -1 EBADF (Bad file descriptor)
[pid 5422] close(6) = -1 EBADF (Bad file descriptor)
[pid 5422] close(7) = -1 EBADF (Bad file descriptor)
[pid 5422] close(8) = -1 EBADF (Bad file descriptor)
[pid 5422] close(9) = -1 EBADF (Bad file descriptor)
[pid 5422] close(10) = -1 EBADF (Bad file descriptor)
[pid 5422] close(11) = -1 EBADF (Bad file descriptor)
[pid 5422] close(12) = -1 EBADF (Bad file descriptor)
[pid 5422] close(13) = -1 EBADF (Bad file descriptor)
[pid 5422] close(14) = -1 EBADF (Bad file descriptor)
[pid 5422] close(15) = -1 EBADF (Bad file descriptor)
[pid 5422] close(16) = -1 EBADF (Bad file descriptor)
[pid 5422] close(17) = -1 EBADF (Bad file descriptor)
[pid 5422] close(18) = -1 EBADF (Bad file descriptor)
[pid 5422] close(19) = -1 EBADF (Bad file descriptor)
[pid 5422] close(20) = -1 EBADF (Bad file descriptor)
[pid 5422] close(21) = -1 EBADF (Bad file descriptor)
[pid 5422] close(22) = -1 EBADF (Bad file descriptor)
[pid 5422] close(23) = -1 EBADF (Bad file descriptor)
[pid 5422] close(24) = -1 EBADF (Bad file descriptor)
[pid 5422] close(25) = -1 EBADF (Bad file descriptor)
[pid 5422] close(26) = -1 EBADF (Bad file descriptor)
[pid 5422] close(27) = -1 EBADF (Bad file descriptor)
[pid 5422] close(28) = -1 EBADF (Bad file descriptor)
[pid 5422] close(29) = -1 EBADF (Bad file descriptor)
[pid 5422] exit_group(0) = ?
[pid 5422] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./420", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./420", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./420/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./420/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./420/cgroup.cpu") = 0
[pid 5000] umount2("./420/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./420/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./420/binderfs") = 0
[pid 5000] umount2("./420/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./420/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./420/cgroup") = 0
[pid 5000] umount2("./420/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./420/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./420/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./420") = 0
[pid 5000] mkdir("./421", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5423 attached
<unfinished ...>
[pid 5423] chdir("./421") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 423
[pid 5423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5423] setpgid(0, 0) = 0
[pid 5423] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5423] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5423] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5423] write(3, "1000", 4) = 4
[pid 5423] close(3) = 0
[pid 5423] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5423] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5423] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5423] openat(3, "freezer.state", O_RDWR) = 4
[pid 5423] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5423] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5423] close(3) = 0
[pid 5423] close(4) = 0
[pid 5423] close(5) = -1 EBADF (Bad file descriptor)
[pid 5423] close(6) = -1 EBADF (Bad file descriptor)
[pid 5423] close(7) = -1 EBADF (Bad file descriptor)
[pid 5423] close(8) = -1 EBADF (Bad file descriptor)
[pid 5423] close(9) = -1 EBADF (Bad file descriptor)
[pid 5423] close(10) = -1 EBADF (Bad file descriptor)
[pid 5423] close(11) = -1 EBADF (Bad file descriptor)
[pid 5423] close(12) = -1 EBADF (Bad file descriptor)
[pid 5423] close(13) = -1 EBADF (Bad file descriptor)
[pid 5423] close(14) = -1 EBADF (Bad file descriptor)
[pid 5423] close(15) = -1 EBADF (Bad file descriptor)
[pid 5423] close(16) = -1 EBADF (Bad file descriptor)
[pid 5423] close(17) = -1 EBADF (Bad file descriptor)
[pid 5423] close(18) = -1 EBADF (Bad file descriptor)
[pid 5423] close(19) = -1 EBADF (Bad file descriptor)
[pid 5423] close(20) = -1 EBADF (Bad file descriptor)
[pid 5423] close(21) = -1 EBADF (Bad file descriptor)
[pid 5423] close(22) = -1 EBADF (Bad file descriptor)
[pid 5423] close(23) = -1 EBADF (Bad file descriptor)
[pid 5423] close(24) = -1 EBADF (Bad file descriptor)
[pid 5423] close(25) = -1 EBADF (Bad file descriptor)
[pid 5423] close(26) = -1 EBADF (Bad file descriptor)
[pid 5423] close(27) = -1 EBADF (Bad file descriptor)
[pid 5423] close(28) = -1 EBADF (Bad file descriptor)
[pid 5423] close(29) = -1 EBADF (Bad file descriptor)
[pid 5423] exit_group(0) = ?
[pid 5423] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./421", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./421", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./421/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./421/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./421/cgroup.cpu") = 0
[pid 5000] umount2("./421/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./421/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./421/binderfs") = 0
[pid 5000] umount2("./421/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./421/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./421/cgroup") = 0
[pid 5000] umount2("./421/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./421/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./421/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./421") = 0
[pid 5000] mkdir("./422", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5424 attached
<unfinished ...>
[pid 5424] chdir("./422") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 424
[pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5424] setpgid(0, 0) = 0
[pid 5424] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5424] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5424] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5424] write(3, "1000", 4) = 4
[pid 5424] close(3) = 0
[pid 5424] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5424] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5424] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5424] openat(3, "freezer.state", O_RDWR) = 4
[pid 5424] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5424] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5424] close(3) = 0
[pid 5424] close(4) = 0
[pid 5424] close(5) = -1 EBADF (Bad file descriptor)
[pid 5424] close(6) = -1 EBADF (Bad file descriptor)
[pid 5424] close(7) = -1 EBADF (Bad file descriptor)
[pid 5424] close(8) = -1 EBADF (Bad file descriptor)
[pid 5424] close(9) = -1 EBADF (Bad file descriptor)
[pid 5424] close(10) = -1 EBADF (Bad file descriptor)
[pid 5424] close(11) = -1 EBADF (Bad file descriptor)
[pid 5424] close(12) = -1 EBADF (Bad file descriptor)
[pid 5424] close(13) = -1 EBADF (Bad file descriptor)
[pid 5424] close(14) = -1 EBADF (Bad file descriptor)
[pid 5424] close(15) = -1 EBADF (Bad file descriptor)
[pid 5424] close(16) = -1 EBADF (Bad file descriptor)
[pid 5424] close(17) = -1 EBADF (Bad file descriptor)
[pid 5424] close(18) = -1 EBADF (Bad file descriptor)
[pid 5424] close(19) = -1 EBADF (Bad file descriptor)
[pid 5424] close(20) = -1 EBADF (Bad file descriptor)
[pid 5424] close(21) = -1 EBADF (Bad file descriptor)
[pid 5424] close(22) = -1 EBADF (Bad file descriptor)
[pid 5424] close(23) = -1 EBADF (Bad file descriptor)
[pid 5424] close(24) = -1 EBADF (Bad file descriptor)
[pid 5424] close(25) = -1 EBADF (Bad file descriptor)
[pid 5424] close(26) = -1 EBADF (Bad file descriptor)
[pid 5424] close(27) = -1 EBADF (Bad file descriptor)
[pid 5424] close(28) = -1 EBADF (Bad file descriptor)
[pid 5424] close(29) = -1 EBADF (Bad file descriptor)
[pid 5424] exit_group(0) = ?
[pid 5424] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./422", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./422", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./422/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./422/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./422/cgroup.cpu") = 0
[pid 5000] umount2("./422/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./422/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./422/binderfs") = 0
[pid 5000] umount2("./422/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./422/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./422/cgroup") = 0
[pid 5000] umount2("./422/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./422/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./422/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./422") = 0
[pid 5000] mkdir("./423", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5425 attached
<unfinished ...>
[pid 5425] chdir("./423") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 425
[pid 5425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5425] setpgid(0, 0) = 0
[pid 5425] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5425] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5425] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5425] write(3, "1000", 4) = 4
[pid 5425] close(3) = 0
[pid 5425] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5425] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5425] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5425] openat(3, "freezer.state", O_RDWR) = 4
[pid 5425] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5425] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5425] close(3) = 0
[pid 5425] close(4) = 0
[pid 5425] close(5) = -1 EBADF (Bad file descriptor)
[pid 5425] close(6) = -1 EBADF (Bad file descriptor)
[pid 5425] close(7) = -1 EBADF (Bad file descriptor)
[pid 5425] close(8) = -1 EBADF (Bad file descriptor)
[pid 5425] close(9) = -1 EBADF (Bad file descriptor)
[pid 5425] close(10) = -1 EBADF (Bad file descriptor)
[pid 5425] close(11) = -1 EBADF (Bad file descriptor)
[pid 5425] close(12) = -1 EBADF (Bad file descriptor)
[pid 5425] close(13) = -1 EBADF (Bad file descriptor)
[pid 5425] close(14) = -1 EBADF (Bad file descriptor)
[pid 5425] close(15) = -1 EBADF (Bad file descriptor)
[pid 5425] close(16) = -1 EBADF (Bad file descriptor)
[pid 5425] close(17) = -1 EBADF (Bad file descriptor)
[pid 5425] close(18) = -1 EBADF (Bad file descriptor)
[pid 5425] close(19) = -1 EBADF (Bad file descriptor)
[pid 5425] close(20) = -1 EBADF (Bad file descriptor)
[pid 5425] close(21) = -1 EBADF (Bad file descriptor)
[pid 5425] close(22) = -1 EBADF (Bad file descriptor)
[pid 5425] close(23) = -1 EBADF (Bad file descriptor)
[pid 5425] close(24) = -1 EBADF (Bad file descriptor)
[pid 5425] close(25) = -1 EBADF (Bad file descriptor)
[pid 5425] close(26) = -1 EBADF (Bad file descriptor)
[pid 5425] close(27) = -1 EBADF (Bad file descriptor)
[pid 5425] close(28) = -1 EBADF (Bad file descriptor)
[pid 5425] close(29) = -1 EBADF (Bad file descriptor)
[pid 5425] exit_group(0) = ?
[pid 5425] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./423", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./423", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./423/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./423/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./423/cgroup.cpu") = 0
[pid 5000] umount2("./423/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./423/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./423/binderfs") = 0
[pid 5000] umount2("./423/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./423/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./423/cgroup") = 0
[pid 5000] umount2("./423/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./423/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./423/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./423") = 0
[pid 5000] mkdir("./424", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5426 attached
<unfinished ...>
[pid 5426] chdir("./424") = 0
[pid 5426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 426
[pid 5426] setpgid(0, 0) = 0
[pid 5426] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5426] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5426] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5426] write(3, "1000", 4) = 4
[pid 5426] close(3) = 0
[pid 5426] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5426] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5426] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5426] openat(3, "freezer.state", O_RDWR) = 4
[pid 5426] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5426] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5426] close(3) = 0
[pid 5426] close(4) = 0
[pid 5426] close(5) = -1 EBADF (Bad file descriptor)
[pid 5426] close(6) = -1 EBADF (Bad file descriptor)
[pid 5426] close(7) = -1 EBADF (Bad file descriptor)
[pid 5426] close(8) = -1 EBADF (Bad file descriptor)
[pid 5426] close(9) = -1 EBADF (Bad file descriptor)
[pid 5426] close(10) = -1 EBADF (Bad file descriptor)
[pid 5426] close(11) = -1 EBADF (Bad file descriptor)
[pid 5426] close(12) = -1 EBADF (Bad file descriptor)
[pid 5426] close(13) = -1 EBADF (Bad file descriptor)
[pid 5426] close(14) = -1 EBADF (Bad file descriptor)
[pid 5426] close(15) = -1 EBADF (Bad file descriptor)
[pid 5426] close(16) = -1 EBADF (Bad file descriptor)
[pid 5426] close(17) = -1 EBADF (Bad file descriptor)
[pid 5426] close(18) = -1 EBADF (Bad file descriptor)
[pid 5426] close(19) = -1 EBADF (Bad file descriptor)
[pid 5426] close(20) = -1 EBADF (Bad file descriptor)
[pid 5426] close(21) = -1 EBADF (Bad file descriptor)
[pid 5426] close(22) = -1 EBADF (Bad file descriptor)
[pid 5426] close(23) = -1 EBADF (Bad file descriptor)
[pid 5426] close(24) = -1 EBADF (Bad file descriptor)
[pid 5426] close(25) = -1 EBADF (Bad file descriptor)
[pid 5426] close(26) = -1 EBADF (Bad file descriptor)
[pid 5426] close(27) = -1 EBADF (Bad file descriptor)
[pid 5426] close(28) = -1 EBADF (Bad file descriptor)
[pid 5426] close(29) = -1 EBADF (Bad file descriptor)
[pid 5426] exit_group(0) = ?
[pid 5426] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./424", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./424", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./424/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./424/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./424/cgroup.cpu") = 0
[pid 5000] umount2("./424/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./424/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./424/binderfs") = 0
[pid 5000] umount2("./424/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./424/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./424/cgroup") = 0
[pid 5000] umount2("./424/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./424/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./424/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./424") = 0
[pid 5000] mkdir("./425", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5427 attached
<unfinished ...>
[pid 5427] chdir("./425") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 427
[pid 5427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5427] setpgid(0, 0) = 0
[pid 5427] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5427] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5427] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5427] write(3, "1000", 4) = 4
[pid 5427] close(3) = 0
[pid 5427] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5427] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5427] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5427] openat(3, "freezer.state", O_RDWR) = 4
[pid 5427] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5427] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5427] close(3) = 0
[pid 5427] close(4) = 0
[pid 5427] close(5) = -1 EBADF (Bad file descriptor)
[pid 5427] close(6) = -1 EBADF (Bad file descriptor)
[pid 5427] close(7) = -1 EBADF (Bad file descriptor)
[pid 5427] close(8) = -1 EBADF (Bad file descriptor)
[pid 5427] close(9) = -1 EBADF (Bad file descriptor)
[pid 5427] close(10) = -1 EBADF (Bad file descriptor)
[pid 5427] close(11) = -1 EBADF (Bad file descriptor)
[pid 5427] close(12) = -1 EBADF (Bad file descriptor)
[pid 5427] close(13) = -1 EBADF (Bad file descriptor)
[pid 5427] close(14) = -1 EBADF (Bad file descriptor)
[pid 5427] close(15) = -1 EBADF (Bad file descriptor)
[pid 5427] close(16) = -1 EBADF (Bad file descriptor)
[pid 5427] close(17) = -1 EBADF (Bad file descriptor)
[pid 5427] close(18) = -1 EBADF (Bad file descriptor)
[pid 5427] close(19) = -1 EBADF (Bad file descriptor)
[pid 5427] close(20) = -1 EBADF (Bad file descriptor)
[pid 5427] close(21) = -1 EBADF (Bad file descriptor)
[pid 5427] close(22) = -1 EBADF (Bad file descriptor)
[pid 5427] close(23) = -1 EBADF (Bad file descriptor)
[pid 5427] close(24) = -1 EBADF (Bad file descriptor)
[pid 5427] close(25) = -1 EBADF (Bad file descriptor)
[pid 5427] close(26) = -1 EBADF (Bad file descriptor)
[pid 5427] close(27) = -1 EBADF (Bad file descriptor)
[pid 5427] close(28) = -1 EBADF (Bad file descriptor)
[pid 5427] close(29) = -1 EBADF (Bad file descriptor)
[pid 5427] exit_group(0) = ?
[pid 5427] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./425", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./425", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./425/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./425/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./425/cgroup.cpu") = 0
[pid 5000] umount2("./425/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./425/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./425/binderfs") = 0
[pid 5000] umount2("./425/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./425/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./425/cgroup") = 0
[pid 5000] umount2("./425/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./425/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./425/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./425") = 0
[pid 5000] mkdir("./426", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5428 attached
<unfinished ...>
[pid 5428] chdir("./426") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 428
[pid 5428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5428] setpgid(0, 0) = 0
[pid 5428] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5428] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5428] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5428] write(3, "1000", 4) = 4
[pid 5428] close(3) = 0
[pid 5428] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5428] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5428] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5428] openat(3, "freezer.state", O_RDWR) = 4
[pid 5428] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5428] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5428] close(3) = 0
[pid 5428] close(4) = 0
[pid 5428] close(5) = -1 EBADF (Bad file descriptor)
[pid 5428] close(6) = -1 EBADF (Bad file descriptor)
[pid 5428] close(7) = -1 EBADF (Bad file descriptor)
[pid 5428] close(8) = -1 EBADF (Bad file descriptor)
[pid 5428] close(9) = -1 EBADF (Bad file descriptor)
[pid 5428] close(10) = -1 EBADF (Bad file descriptor)
[pid 5428] close(11) = -1 EBADF (Bad file descriptor)
[pid 5428] close(12) = -1 EBADF (Bad file descriptor)
[pid 5428] close(13) = -1 EBADF (Bad file descriptor)
[pid 5428] close(14) = -1 EBADF (Bad file descriptor)
[pid 5428] close(15) = -1 EBADF (Bad file descriptor)
[pid 5428] close(16) = -1 EBADF (Bad file descriptor)
[pid 5428] close(17) = -1 EBADF (Bad file descriptor)
[pid 5428] close(18) = -1 EBADF (Bad file descriptor)
[pid 5428] close(19) = -1 EBADF (Bad file descriptor)
[pid 5428] close(20) = -1 EBADF (Bad file descriptor)
[pid 5428] close(21) = -1 EBADF (Bad file descriptor)
[pid 5428] close(22) = -1 EBADF (Bad file descriptor)
[pid 5428] close(23) = -1 EBADF (Bad file descriptor)
[pid 5428] close(24) = -1 EBADF (Bad file descriptor)
[pid 5428] close(25) = -1 EBADF (Bad file descriptor)
[pid 5428] close(26) = -1 EBADF (Bad file descriptor)
[pid 5428] close(27) = -1 EBADF (Bad file descriptor)
[pid 5428] close(28) = -1 EBADF (Bad file descriptor)
[pid 5428] close(29) = -1 EBADF (Bad file descriptor)
[pid 5428] exit_group(0) = ?
[pid 5428] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./426", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./426", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./426/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./426/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./426/cgroup.cpu") = 0
[pid 5000] umount2("./426/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./426/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./426/binderfs") = 0
[pid 5000] umount2("./426/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./426/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./426/cgroup") = 0
[pid 5000] umount2("./426/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./426/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./426/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./426") = 0
[pid 5000] mkdir("./427", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5429 attached
<unfinished ...>
[pid 5429] chdir("./427" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 429
[pid 5429] <... chdir resumed>) = 0
[pid 5429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5429] setpgid(0, 0) = 0
[pid 5429] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5429] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5429] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5429] write(3, "1000", 4) = 4
[pid 5429] close(3) = 0
[pid 5429] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5429] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5429] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5429] openat(3, "freezer.state", O_RDWR) = 4
[pid 5429] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5429] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5429] close(3) = 0
[pid 5429] close(4) = 0
[pid 5429] close(5) = -1 EBADF (Bad file descriptor)
[pid 5429] close(6) = -1 EBADF (Bad file descriptor)
[pid 5429] close(7) = -1 EBADF (Bad file descriptor)
[pid 5429] close(8) = -1 EBADF (Bad file descriptor)
[pid 5429] close(9) = -1 EBADF (Bad file descriptor)
[pid 5429] close(10) = -1 EBADF (Bad file descriptor)
[pid 5429] close(11) = -1 EBADF (Bad file descriptor)
[pid 5429] close(12) = -1 EBADF (Bad file descriptor)
[pid 5429] close(13) = -1 EBADF (Bad file descriptor)
[pid 5429] close(14) = -1 EBADF (Bad file descriptor)
[pid 5429] close(15) = -1 EBADF (Bad file descriptor)
[pid 5429] close(16) = -1 EBADF (Bad file descriptor)
[pid 5429] close(17) = -1 EBADF (Bad file descriptor)
[pid 5429] close(18) = -1 EBADF (Bad file descriptor)
[pid 5429] close(19) = -1 EBADF (Bad file descriptor)
[pid 5429] close(20) = -1 EBADF (Bad file descriptor)
[pid 5429] close(21) = -1 EBADF (Bad file descriptor)
[pid 5429] close(22) = -1 EBADF (Bad file descriptor)
[pid 5429] close(23) = -1 EBADF (Bad file descriptor)
[pid 5429] close(24) = -1 EBADF (Bad file descriptor)
[pid 5429] close(25) = -1 EBADF (Bad file descriptor)
[pid 5429] close(26) = -1 EBADF (Bad file descriptor)
[pid 5429] close(27) = -1 EBADF (Bad file descriptor)
[pid 5429] close(28) = -1 EBADF (Bad file descriptor)
[pid 5429] close(29) = -1 EBADF (Bad file descriptor)
[pid 5429] exit_group(0) = ?
[pid 5429] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./427", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./427", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./427/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./427/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./427/cgroup.cpu") = 0
[pid 5000] umount2("./427/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./427/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./427/binderfs") = 0
[pid 5000] umount2("./427/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./427/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./427/cgroup") = 0
[pid 5000] umount2("./427/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./427/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./427/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./427") = 0
[pid 5000] mkdir("./428", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5430 attached
<unfinished ...>
[pid 5430] chdir("./428") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 430
[pid 5430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5430] setpgid(0, 0) = 0
[pid 5430] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5430] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5430] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5430] write(3, "1000", 4) = 4
[pid 5430] close(3) = 0
[pid 5430] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5430] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5430] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5430] openat(3, "freezer.state", O_RDWR) = 4
[pid 5430] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5430] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5430] close(3) = 0
[pid 5430] close(4) = 0
[pid 5430] close(5) = -1 EBADF (Bad file descriptor)
[pid 5430] close(6) = -1 EBADF (Bad file descriptor)
[pid 5430] close(7) = -1 EBADF (Bad file descriptor)
[pid 5430] close(8) = -1 EBADF (Bad file descriptor)
[pid 5430] close(9) = -1 EBADF (Bad file descriptor)
[pid 5430] close(10) = -1 EBADF (Bad file descriptor)
[pid 5430] close(11) = -1 EBADF (Bad file descriptor)
[pid 5430] close(12) = -1 EBADF (Bad file descriptor)
[pid 5430] close(13) = -1 EBADF (Bad file descriptor)
[pid 5430] close(14) = -1 EBADF (Bad file descriptor)
[pid 5430] close(15) = -1 EBADF (Bad file descriptor)
[pid 5430] close(16) = -1 EBADF (Bad file descriptor)
[pid 5430] close(17) = -1 EBADF (Bad file descriptor)
[pid 5430] close(18) = -1 EBADF (Bad file descriptor)
[pid 5430] close(19) = -1 EBADF (Bad file descriptor)
[pid 5430] close(20) = -1 EBADF (Bad file descriptor)
[pid 5430] close(21) = -1 EBADF (Bad file descriptor)
[pid 5430] close(22) = -1 EBADF (Bad file descriptor)
[pid 5430] close(23) = -1 EBADF (Bad file descriptor)
[pid 5430] close(24) = -1 EBADF (Bad file descriptor)
[pid 5430] close(25) = -1 EBADF (Bad file descriptor)
[pid 5430] close(26) = -1 EBADF (Bad file descriptor)
[pid 5430] close(27) = -1 EBADF (Bad file descriptor)
[pid 5430] close(28) = -1 EBADF (Bad file descriptor)
[pid 5430] close(29) = -1 EBADF (Bad file descriptor)
[pid 5430] exit_group(0) = ?
[pid 5430] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./428", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./428", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./428/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./428/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./428/cgroup.cpu") = 0
[pid 5000] umount2("./428/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./428/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./428/binderfs") = 0
[pid 5000] umount2("./428/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./428/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./428/cgroup") = 0
[pid 5000] umount2("./428/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./428/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./428/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./428") = 0
[pid 5000] mkdir("./429", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5431 attached
<unfinished ...>
[pid 5431] chdir("./429") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 431
[pid 5431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5431] setpgid(0, 0) = 0
[pid 5431] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5431] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5431] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5431] write(3, "1000", 4) = 4
[pid 5431] close(3) = 0
[pid 5431] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5431] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5431] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5431] openat(3, "freezer.state", O_RDWR) = 4
[pid 5431] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5431] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5431] close(3) = 0
[pid 5431] close(4) = 0
[pid 5431] close(5) = -1 EBADF (Bad file descriptor)
[pid 5431] close(6) = -1 EBADF (Bad file descriptor)
[pid 5431] close(7) = -1 EBADF (Bad file descriptor)
[pid 5431] close(8) = -1 EBADF (Bad file descriptor)
[pid 5431] close(9) = -1 EBADF (Bad file descriptor)
[pid 5431] close(10) = -1 EBADF (Bad file descriptor)
[pid 5431] close(11) = -1 EBADF (Bad file descriptor)
[pid 5431] close(12) = -1 EBADF (Bad file descriptor)
[pid 5431] close(13) = -1 EBADF (Bad file descriptor)
[pid 5431] close(14) = -1 EBADF (Bad file descriptor)
[pid 5431] close(15) = -1 EBADF (Bad file descriptor)
[pid 5431] close(16) = -1 EBADF (Bad file descriptor)
[pid 5431] close(17) = -1 EBADF (Bad file descriptor)
[pid 5431] close(18) = -1 EBADF (Bad file descriptor)
[pid 5431] close(19) = -1 EBADF (Bad file descriptor)
[pid 5431] close(20) = -1 EBADF (Bad file descriptor)
[pid 5431] close(21) = -1 EBADF (Bad file descriptor)
[pid 5431] close(22) = -1 EBADF (Bad file descriptor)
[pid 5431] close(23) = -1 EBADF (Bad file descriptor)
[pid 5431] close(24) = -1 EBADF (Bad file descriptor)
[pid 5431] close(25) = -1 EBADF (Bad file descriptor)
[pid 5431] close(26) = -1 EBADF (Bad file descriptor)
[pid 5431] close(27) = -1 EBADF (Bad file descriptor)
[pid 5431] close(28) = -1 EBADF (Bad file descriptor)
[pid 5431] close(29) = -1 EBADF (Bad file descriptor)
[pid 5431] exit_group(0) = ?
[pid 5431] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./429", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./429", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./429/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./429/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./429/cgroup.cpu") = 0
[pid 5000] umount2("./429/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./429/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./429/binderfs") = 0
[pid 5000] umount2("./429/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./429/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./429/cgroup") = 0
[pid 5000] umount2("./429/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./429/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./429/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./429") = 0
[pid 5000] mkdir("./430", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5432 attached
<unfinished ...>
[pid 5432] chdir("./430") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 432
[pid 5432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5432] setpgid(0, 0) = 0
[pid 5432] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5432] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5432] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5432] write(3, "1000", 4) = 4
[pid 5432] close(3) = 0
[pid 5432] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5432] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5432] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5432] openat(3, "freezer.state", O_RDWR) = 4
[pid 5432] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5432] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5432] close(3) = 0
[pid 5432] close(4) = 0
[pid 5432] close(5) = -1 EBADF (Bad file descriptor)
[pid 5432] close(6) = -1 EBADF (Bad file descriptor)
[pid 5432] close(7) = -1 EBADF (Bad file descriptor)
[pid 5432] close(8) = -1 EBADF (Bad file descriptor)
[pid 5432] close(9) = -1 EBADF (Bad file descriptor)
[pid 5432] close(10) = -1 EBADF (Bad file descriptor)
[pid 5432] close(11) = -1 EBADF (Bad file descriptor)
[pid 5432] close(12) = -1 EBADF (Bad file descriptor)
[pid 5432] close(13) = -1 EBADF (Bad file descriptor)
[pid 5432] close(14) = -1 EBADF (Bad file descriptor)
[pid 5432] close(15) = -1 EBADF (Bad file descriptor)
[pid 5432] close(16) = -1 EBADF (Bad file descriptor)
[pid 5432] close(17) = -1 EBADF (Bad file descriptor)
[pid 5432] close(18) = -1 EBADF (Bad file descriptor)
[pid 5432] close(19) = -1 EBADF (Bad file descriptor)
[pid 5432] close(20) = -1 EBADF (Bad file descriptor)
[pid 5432] close(21) = -1 EBADF (Bad file descriptor)
[pid 5432] close(22) = -1 EBADF (Bad file descriptor)
[pid 5432] close(23) = -1 EBADF (Bad file descriptor)
[pid 5432] close(24) = -1 EBADF (Bad file descriptor)
[pid 5432] close(25) = -1 EBADF (Bad file descriptor)
[pid 5432] close(26) = -1 EBADF (Bad file descriptor)
[pid 5432] close(27) = -1 EBADF (Bad file descriptor)
[pid 5432] close(28) = -1 EBADF (Bad file descriptor)
[pid 5432] close(29) = -1 EBADF (Bad file descriptor)
[pid 5432] exit_group(0) = ?
[pid 5432] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=432, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./430", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./430", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./430/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./430/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./430/cgroup.cpu") = 0
[pid 5000] umount2("./430/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./430/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./430/binderfs") = 0
[pid 5000] umount2("./430/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./430/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./430/cgroup") = 0
[pid 5000] umount2("./430/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./430/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./430/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./430") = 0
[pid 5000] mkdir("./431", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5433 attached
<unfinished ...>
[pid 5433] chdir("./431") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 433
[pid 5433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5433] setpgid(0, 0) = 0
[pid 5433] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5433] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5433] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5433] write(3, "1000", 4) = 4
[pid 5433] close(3) = 0
[pid 5433] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5433] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5433] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5433] openat(3, "freezer.state", O_RDWR) = 4
[pid 5433] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5433] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5433] close(3) = 0
[pid 5433] close(4) = 0
[pid 5433] close(5) = -1 EBADF (Bad file descriptor)
[pid 5433] close(6) = -1 EBADF (Bad file descriptor)
[pid 5433] close(7) = -1 EBADF (Bad file descriptor)
[pid 5433] close(8) = -1 EBADF (Bad file descriptor)
[pid 5433] close(9) = -1 EBADF (Bad file descriptor)
[pid 5433] close(10) = -1 EBADF (Bad file descriptor)
[pid 5433] close(11) = -1 EBADF (Bad file descriptor)
[pid 5433] close(12) = -1 EBADF (Bad file descriptor)
[pid 5433] close(13) = -1 EBADF (Bad file descriptor)
[pid 5433] close(14) = -1 EBADF (Bad file descriptor)
[pid 5433] close(15) = -1 EBADF (Bad file descriptor)
[pid 5433] close(16) = -1 EBADF (Bad file descriptor)
[pid 5433] close(17) = -1 EBADF (Bad file descriptor)
[pid 5433] close(18) = -1 EBADF (Bad file descriptor)
[pid 5433] close(19) = -1 EBADF (Bad file descriptor)
[pid 5433] close(20) = -1 EBADF (Bad file descriptor)
[pid 5433] close(21) = -1 EBADF (Bad file descriptor)
[pid 5433] close(22) = -1 EBADF (Bad file descriptor)
[pid 5433] close(23) = -1 EBADF (Bad file descriptor)
[pid 5433] close(24) = -1 EBADF (Bad file descriptor)
[pid 5433] close(25) = -1 EBADF (Bad file descriptor)
[pid 5433] close(26) = -1 EBADF (Bad file descriptor)
[pid 5433] close(27) = -1 EBADF (Bad file descriptor)
[pid 5433] close(28) = -1 EBADF (Bad file descriptor)
[pid 5433] close(29) = -1 EBADF (Bad file descriptor)
[pid 5433] exit_group(0) = ?
[pid 5433] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./431", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./431", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./431/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./431/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./431/cgroup.cpu") = 0
[pid 5000] umount2("./431/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./431/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./431/binderfs") = 0
[pid 5000] umount2("./431/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./431/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./431/cgroup") = 0
[pid 5000] umount2("./431/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./431/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./431/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./431") = 0
[pid 5000] mkdir("./432", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5434 attached
<unfinished ...>
[pid 5434] chdir("./432") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 434
[pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5434] setpgid(0, 0) = 0
[pid 5434] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5434] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5434] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5434] write(3, "1000", 4) = 4
[pid 5434] close(3) = 0
[pid 5434] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5434] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5434] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5434] openat(3, "freezer.state", O_RDWR) = 4
[pid 5434] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5434] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5434] close(3) = 0
[pid 5434] close(4) = 0
[pid 5434] close(5) = -1 EBADF (Bad file descriptor)
[pid 5434] close(6) = -1 EBADF (Bad file descriptor)
[pid 5434] close(7) = -1 EBADF (Bad file descriptor)
[pid 5434] close(8) = -1 EBADF (Bad file descriptor)
[pid 5434] close(9) = -1 EBADF (Bad file descriptor)
[pid 5434] close(10) = -1 EBADF (Bad file descriptor)
[pid 5434] close(11) = -1 EBADF (Bad file descriptor)
[pid 5434] close(12) = -1 EBADF (Bad file descriptor)
[pid 5434] close(13) = -1 EBADF (Bad file descriptor)
[pid 5434] close(14) = -1 EBADF (Bad file descriptor)
[pid 5434] close(15) = -1 EBADF (Bad file descriptor)
[pid 5434] close(16) = -1 EBADF (Bad file descriptor)
[pid 5434] close(17) = -1 EBADF (Bad file descriptor)
[pid 5434] close(18) = -1 EBADF (Bad file descriptor)
[pid 5434] close(19) = -1 EBADF (Bad file descriptor)
[pid 5434] close(20) = -1 EBADF (Bad file descriptor)
[pid 5434] close(21) = -1 EBADF (Bad file descriptor)
[pid 5434] close(22) = -1 EBADF (Bad file descriptor)
[pid 5434] close(23) = -1 EBADF (Bad file descriptor)
[pid 5434] close(24) = -1 EBADF (Bad file descriptor)
[pid 5434] close(25) = -1 EBADF (Bad file descriptor)
[pid 5434] close(26) = -1 EBADF (Bad file descriptor)
[pid 5434] close(27) = -1 EBADF (Bad file descriptor)
[pid 5434] close(28) = -1 EBADF (Bad file descriptor)
[pid 5434] close(29) = -1 EBADF (Bad file descriptor)
[pid 5434] exit_group(0) = ?
[pid 5434] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./432", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./432", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./432/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./432/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./432/cgroup.cpu") = 0
[pid 5000] umount2("./432/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./432/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./432/binderfs") = 0
[pid 5000] umount2("./432/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./432/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./432/cgroup") = 0
[pid 5000] umount2("./432/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./432/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./432/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./432") = 0
[pid 5000] mkdir("./433", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5435 attached
<unfinished ...>
[pid 5435] chdir("./433") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 435
[pid 5435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5435] setpgid(0, 0) = 0
[pid 5435] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5435] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5435] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5435] write(3, "1000", 4) = 4
[pid 5435] close(3) = 0
[pid 5435] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5435] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5435] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5435] openat(3, "freezer.state", O_RDWR) = 4
[pid 5435] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5435] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5435] close(3) = 0
[pid 5435] close(4) = 0
[pid 5435] close(5) = -1 EBADF (Bad file descriptor)
[pid 5435] close(6) = -1 EBADF (Bad file descriptor)
[pid 5435] close(7) = -1 EBADF (Bad file descriptor)
[pid 5435] close(8) = -1 EBADF (Bad file descriptor)
[pid 5435] close(9) = -1 EBADF (Bad file descriptor)
[pid 5435] close(10) = -1 EBADF (Bad file descriptor)
[pid 5435] close(11) = -1 EBADF (Bad file descriptor)
[pid 5435] close(12) = -1 EBADF (Bad file descriptor)
[pid 5435] close(13) = -1 EBADF (Bad file descriptor)
[pid 5435] close(14) = -1 EBADF (Bad file descriptor)
[pid 5435] close(15) = -1 EBADF (Bad file descriptor)
[pid 5435] close(16) = -1 EBADF (Bad file descriptor)
[pid 5435] close(17) = -1 EBADF (Bad file descriptor)
[pid 5435] close(18) = -1 EBADF (Bad file descriptor)
[pid 5435] close(19) = -1 EBADF (Bad file descriptor)
[pid 5435] close(20) = -1 EBADF (Bad file descriptor)
[pid 5435] close(21) = -1 EBADF (Bad file descriptor)
[pid 5435] close(22) = -1 EBADF (Bad file descriptor)
[pid 5435] close(23) = -1 EBADF (Bad file descriptor)
[pid 5435] close(24) = -1 EBADF (Bad file descriptor)
[pid 5435] close(25) = -1 EBADF (Bad file descriptor)
[pid 5435] close(26) = -1 EBADF (Bad file descriptor)
[pid 5435] close(27) = -1 EBADF (Bad file descriptor)
[pid 5435] close(28) = -1 EBADF (Bad file descriptor)
[pid 5435] close(29) = -1 EBADF (Bad file descriptor)
[pid 5435] exit_group(0) = ?
[pid 5435] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./433", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./433", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./433/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./433/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./433/cgroup.cpu") = 0
[pid 5000] umount2("./433/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./433/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./433/binderfs") = 0
[pid 5000] umount2("./433/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./433/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./433/cgroup") = 0
[pid 5000] umount2("./433/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./433/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./433/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./433") = 0
[pid 5000] mkdir("./434", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 436
./strace-static-x86_64: Process 5436 attached
[pid 5436] chdir("./434") = 0
[pid 5436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5436] setpgid(0, 0) = 0
[pid 5436] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5436] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5436] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5436] write(3, "1000", 4) = 4
[pid 5436] close(3) = 0
[pid 5436] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5436] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5436] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5436] openat(3, "freezer.state", O_RDWR) = 4
[pid 5436] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5436] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5436] close(3) = 0
[pid 5436] close(4) = 0
[pid 5436] close(5) = -1 EBADF (Bad file descriptor)
[pid 5436] close(6) = -1 EBADF (Bad file descriptor)
[pid 5436] close(7) = -1 EBADF (Bad file descriptor)
[pid 5436] close(8) = -1 EBADF (Bad file descriptor)
[pid 5436] close(9) = -1 EBADF (Bad file descriptor)
[pid 5436] close(10) = -1 EBADF (Bad file descriptor)
[pid 5436] close(11) = -1 EBADF (Bad file descriptor)
[pid 5436] close(12) = -1 EBADF (Bad file descriptor)
[pid 5436] close(13) = -1 EBADF (Bad file descriptor)
[pid 5436] close(14) = -1 EBADF (Bad file descriptor)
[pid 5436] close(15) = -1 EBADF (Bad file descriptor)
[pid 5436] close(16) = -1 EBADF (Bad file descriptor)
[pid 5436] close(17) = -1 EBADF (Bad file descriptor)
[pid 5436] close(18) = -1 EBADF (Bad file descriptor)
[pid 5436] close(19) = -1 EBADF (Bad file descriptor)
[pid 5436] close(20) = -1 EBADF (Bad file descriptor)
[pid 5436] close(21) = -1 EBADF (Bad file descriptor)
[pid 5436] close(22) = -1 EBADF (Bad file descriptor)
[pid 5436] close(23) = -1 EBADF (Bad file descriptor)
[pid 5436] close(24) = -1 EBADF (Bad file descriptor)
[pid 5436] close(25) = -1 EBADF (Bad file descriptor)
[pid 5436] close(26) = -1 EBADF (Bad file descriptor)
[pid 5436] close(27) = -1 EBADF (Bad file descriptor)
[pid 5436] close(28) = -1 EBADF (Bad file descriptor)
[pid 5436] close(29) = -1 EBADF (Bad file descriptor)
[pid 5436] exit_group(0) = ?
[pid 5436] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./434", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./434", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./434/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./434/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./434/cgroup.cpu") = 0
[pid 5000] umount2("./434/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./434/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./434/binderfs") = 0
[pid 5000] umount2("./434/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./434/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./434/cgroup") = 0
[pid 5000] umount2("./434/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./434/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./434/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./434") = 0
[pid 5000] mkdir("./435", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5437 attached
<unfinished ...>
[pid 5437] chdir("./435") = 0
[pid 5437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 437
[pid 5437] setpgid(0, 0) = 0
[pid 5437] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5437] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5437] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5437] write(3, "1000", 4) = 4
[pid 5437] close(3) = 0
[pid 5437] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5437] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5437] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5437] openat(3, "freezer.state", O_RDWR) = 4
[pid 5437] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5437] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5437] close(3) = 0
[pid 5437] close(4) = 0
[pid 5437] close(5) = -1 EBADF (Bad file descriptor)
[pid 5437] close(6) = -1 EBADF (Bad file descriptor)
[pid 5437] close(7) = -1 EBADF (Bad file descriptor)
[pid 5437] close(8) = -1 EBADF (Bad file descriptor)
[pid 5437] close(9) = -1 EBADF (Bad file descriptor)
[pid 5437] close(10) = -1 EBADF (Bad file descriptor)
[pid 5437] close(11) = -1 EBADF (Bad file descriptor)
[pid 5437] close(12) = -1 EBADF (Bad file descriptor)
[pid 5437] close(13) = -1 EBADF (Bad file descriptor)
[pid 5437] close(14) = -1 EBADF (Bad file descriptor)
[pid 5437] close(15) = -1 EBADF (Bad file descriptor)
[pid 5437] close(16) = -1 EBADF (Bad file descriptor)
[pid 5437] close(17) = -1 EBADF (Bad file descriptor)
[pid 5437] close(18) = -1 EBADF (Bad file descriptor)
[pid 5437] close(19) = -1 EBADF (Bad file descriptor)
[pid 5437] close(20) = -1 EBADF (Bad file descriptor)
[pid 5437] close(21) = -1 EBADF (Bad file descriptor)
[pid 5437] close(22) = -1 EBADF (Bad file descriptor)
[pid 5437] close(23) = -1 EBADF (Bad file descriptor)
[pid 5437] close(24) = -1 EBADF (Bad file descriptor)
[pid 5437] close(25) = -1 EBADF (Bad file descriptor)
[pid 5437] close(26) = -1 EBADF (Bad file descriptor)
[pid 5437] close(27) = -1 EBADF (Bad file descriptor)
[pid 5437] close(28) = -1 EBADF (Bad file descriptor)
[pid 5437] close(29) = -1 EBADF (Bad file descriptor)
[pid 5437] exit_group(0) = ?
[pid 5437] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./435", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./435", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./435/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./435/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./435/cgroup.cpu") = 0
[pid 5000] umount2("./435/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./435/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./435/binderfs") = 0
[pid 5000] umount2("./435/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./435/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./435/cgroup") = 0
[pid 5000] umount2("./435/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./435/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./435/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./435") = 0
[pid 5000] mkdir("./436", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5438 attached
<unfinished ...>
[pid 5438] chdir("./436") = 0
[pid 5438] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 438
[pid 5438] <... prctl resumed>) = 0
[pid 5438] setpgid(0, 0) = 0
[pid 5438] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5438] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5438] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5438] write(3, "1000", 4) = 4
[pid 5438] close(3) = 0
[pid 5438] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5438] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5438] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5438] openat(3, "freezer.state", O_RDWR) = 4
[pid 5438] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5438] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5438] close(3) = 0
[pid 5438] close(4) = 0
[pid 5438] close(5) = -1 EBADF (Bad file descriptor)
[pid 5438] close(6) = -1 EBADF (Bad file descriptor)
[pid 5438] close(7) = -1 EBADF (Bad file descriptor)
[pid 5438] close(8) = -1 EBADF (Bad file descriptor)
[pid 5438] close(9) = -1 EBADF (Bad file descriptor)
[pid 5438] close(10) = -1 EBADF (Bad file descriptor)
[pid 5438] close(11) = -1 EBADF (Bad file descriptor)
[pid 5438] close(12) = -1 EBADF (Bad file descriptor)
[pid 5438] close(13) = -1 EBADF (Bad file descriptor)
[pid 5438] close(14) = -1 EBADF (Bad file descriptor)
[pid 5438] close(15) = -1 EBADF (Bad file descriptor)
[pid 5438] close(16) = -1 EBADF (Bad file descriptor)
[pid 5438] close(17) = -1 EBADF (Bad file descriptor)
[pid 5438] close(18) = -1 EBADF (Bad file descriptor)
[pid 5438] close(19) = -1 EBADF (Bad file descriptor)
[pid 5438] close(20) = -1 EBADF (Bad file descriptor)
[pid 5438] close(21) = -1 EBADF (Bad file descriptor)
[pid 5438] close(22) = -1 EBADF (Bad file descriptor)
[pid 5438] close(23) = -1 EBADF (Bad file descriptor)
[pid 5438] close(24) = -1 EBADF (Bad file descriptor)
[pid 5438] close(25) = -1 EBADF (Bad file descriptor)
[pid 5438] close(26) = -1 EBADF (Bad file descriptor)
[pid 5438] close(27) = -1 EBADF (Bad file descriptor)
[pid 5438] close(28) = -1 EBADF (Bad file descriptor)
[pid 5438] close(29) = -1 EBADF (Bad file descriptor)
[pid 5438] exit_group(0) = ?
[pid 5438] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./436", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./436", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./436/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./436/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./436/cgroup.cpu") = 0
[pid 5000] umount2("./436/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./436/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./436/binderfs") = 0
[pid 5000] umount2("./436/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./436/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./436/cgroup") = 0
[pid 5000] umount2("./436/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./436/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./436/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./436") = 0
[pid 5000] mkdir("./437", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5439 attached
<unfinished ...>
[pid 5439] chdir("./437") = 0
[pid 5439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 439
[pid 5439] setpgid(0, 0) = 0
[pid 5439] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5439] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5439] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5439] write(3, "1000", 4) = 4
[pid 5439] close(3) = 0
[pid 5439] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5439] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5439] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5439] openat(3, "freezer.state", O_RDWR) = 4
[pid 5439] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5439] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5439] close(3) = 0
[pid 5439] close(4) = 0
[pid 5439] close(5) = -1 EBADF (Bad file descriptor)
[pid 5439] close(6) = -1 EBADF (Bad file descriptor)
[pid 5439] close(7) = -1 EBADF (Bad file descriptor)
[pid 5439] close(8) = -1 EBADF (Bad file descriptor)
[pid 5439] close(9) = -1 EBADF (Bad file descriptor)
[pid 5439] close(10) = -1 EBADF (Bad file descriptor)
[pid 5439] close(11) = -1 EBADF (Bad file descriptor)
[pid 5439] close(12) = -1 EBADF (Bad file descriptor)
[pid 5439] close(13) = -1 EBADF (Bad file descriptor)
[pid 5439] close(14) = -1 EBADF (Bad file descriptor)
[pid 5439] close(15) = -1 EBADF (Bad file descriptor)
[pid 5439] close(16) = -1 EBADF (Bad file descriptor)
[pid 5439] close(17) = -1 EBADF (Bad file descriptor)
[pid 5439] close(18) = -1 EBADF (Bad file descriptor)
[pid 5439] close(19) = -1 EBADF (Bad file descriptor)
[pid 5439] close(20) = -1 EBADF (Bad file descriptor)
[pid 5439] close(21) = -1 EBADF (Bad file descriptor)
[pid 5439] close(22) = -1 EBADF (Bad file descriptor)
[pid 5439] close(23) = -1 EBADF (Bad file descriptor)
[pid 5439] close(24) = -1 EBADF (Bad file descriptor)
[pid 5439] close(25) = -1 EBADF (Bad file descriptor)
[pid 5439] close(26) = -1 EBADF (Bad file descriptor)
[pid 5439] close(27) = -1 EBADF (Bad file descriptor)
[pid 5439] close(28) = -1 EBADF (Bad file descriptor)
[pid 5439] close(29) = -1 EBADF (Bad file descriptor)
[pid 5439] exit_group(0) = ?
[pid 5439] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./437", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./437", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./437/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./437/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./437/cgroup.cpu") = 0
[pid 5000] umount2("./437/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./437/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./437/binderfs") = 0
[pid 5000] umount2("./437/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./437/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./437/cgroup") = 0
[pid 5000] umount2("./437/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./437/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./437/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./437") = 0
[pid 5000] mkdir("./438", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5440 attached
<unfinished ...>
[pid 5440] chdir("./438") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 440
[pid 5440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5440] setpgid(0, 0) = 0
[pid 5440] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5440] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5440] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5440] write(3, "1000", 4) = 4
[pid 5440] close(3) = 0
[pid 5440] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5440] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5440] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5440] openat(3, "freezer.state", O_RDWR) = 4
[pid 5440] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5440] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5440] close(3) = 0
[pid 5440] close(4) = 0
[pid 5440] close(5) = -1 EBADF (Bad file descriptor)
[pid 5440] close(6) = -1 EBADF (Bad file descriptor)
[pid 5440] close(7) = -1 EBADF (Bad file descriptor)
[pid 5440] close(8) = -1 EBADF (Bad file descriptor)
[pid 5440] close(9) = -1 EBADF (Bad file descriptor)
[pid 5440] close(10) = -1 EBADF (Bad file descriptor)
[pid 5440] close(11) = -1 EBADF (Bad file descriptor)
[pid 5440] close(12) = -1 EBADF (Bad file descriptor)
[pid 5440] close(13) = -1 EBADF (Bad file descriptor)
[pid 5440] close(14) = -1 EBADF (Bad file descriptor)
[pid 5440] close(15) = -1 EBADF (Bad file descriptor)
[pid 5440] close(16) = -1 EBADF (Bad file descriptor)
[pid 5440] close(17) = -1 EBADF (Bad file descriptor)
[pid 5440] close(18) = -1 EBADF (Bad file descriptor)
[pid 5440] close(19) = -1 EBADF (Bad file descriptor)
[pid 5440] close(20) = -1 EBADF (Bad file descriptor)
[pid 5440] close(21) = -1 EBADF (Bad file descriptor)
[pid 5440] close(22) = -1 EBADF (Bad file descriptor)
[pid 5440] close(23) = -1 EBADF (Bad file descriptor)
[pid 5440] close(24) = -1 EBADF (Bad file descriptor)
[pid 5440] close(25) = -1 EBADF (Bad file descriptor)
[pid 5440] close(26) = -1 EBADF (Bad file descriptor)
[pid 5440] close(27) = -1 EBADF (Bad file descriptor)
[pid 5440] close(28) = -1 EBADF (Bad file descriptor)
[pid 5440] close(29) = -1 EBADF (Bad file descriptor)
[pid 5440] exit_group(0) = ?
[pid 5440] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./438", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./438", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./438/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./438/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./438/cgroup.cpu") = 0
[pid 5000] umount2("./438/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./438/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./438/binderfs") = 0
[pid 5000] umount2("./438/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./438/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./438/cgroup") = 0
[pid 5000] umount2("./438/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./438/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./438/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./438") = 0
[pid 5000] mkdir("./439", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5441 attached
<unfinished ...>
[pid 5441] chdir("./439") = 0
[pid 5441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 441
[pid 5441] setpgid(0, 0) = 0
[pid 5441] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5441] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5441] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5441] write(3, "1000", 4) = 4
[pid 5441] close(3) = 0
[pid 5441] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5441] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5441] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5441] openat(3, "freezer.state", O_RDWR) = 4
[pid 5441] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5441] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5441] close(3) = 0
[pid 5441] close(4) = 0
[pid 5441] close(5) = -1 EBADF (Bad file descriptor)
[pid 5441] close(6) = -1 EBADF (Bad file descriptor)
[pid 5441] close(7) = -1 EBADF (Bad file descriptor)
[pid 5441] close(8) = -1 EBADF (Bad file descriptor)
[pid 5441] close(9) = -1 EBADF (Bad file descriptor)
[pid 5441] close(10) = -1 EBADF (Bad file descriptor)
[pid 5441] close(11) = -1 EBADF (Bad file descriptor)
[pid 5441] close(12) = -1 EBADF (Bad file descriptor)
[pid 5441] close(13) = -1 EBADF (Bad file descriptor)
[pid 5441] close(14) = -1 EBADF (Bad file descriptor)
[pid 5441] close(15) = -1 EBADF (Bad file descriptor)
[pid 5441] close(16) = -1 EBADF (Bad file descriptor)
[pid 5441] close(17) = -1 EBADF (Bad file descriptor)
[pid 5441] close(18) = -1 EBADF (Bad file descriptor)
[pid 5441] close(19) = -1 EBADF (Bad file descriptor)
[pid 5441] close(20) = -1 EBADF (Bad file descriptor)
[pid 5441] close(21) = -1 EBADF (Bad file descriptor)
[pid 5441] close(22) = -1 EBADF (Bad file descriptor)
[pid 5441] close(23) = -1 EBADF (Bad file descriptor)
[pid 5441] close(24) = -1 EBADF (Bad file descriptor)
[pid 5441] close(25) = -1 EBADF (Bad file descriptor)
[pid 5441] close(26) = -1 EBADF (Bad file descriptor)
[pid 5441] close(27) = -1 EBADF (Bad file descriptor)
[pid 5441] close(28) = -1 EBADF (Bad file descriptor)
[pid 5441] close(29) = -1 EBADF (Bad file descriptor)
[pid 5441] exit_group(0) = ?
[pid 5441] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./439", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./439", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./439/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./439/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./439/cgroup.cpu") = 0
[pid 5000] umount2("./439/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./439/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./439/binderfs") = 0
[pid 5000] umount2("./439/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./439/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./439/cgroup") = 0
[pid 5000] umount2("./439/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./439/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./439/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./439") = 0
[pid 5000] mkdir("./440", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 442
./strace-static-x86_64: Process 5442 attached
[pid 5442] chdir("./440") = 0
[pid 5442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5442] setpgid(0, 0) = 0
[pid 5442] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5442] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5442] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5442] write(3, "1000", 4) = 4
[pid 5442] close(3) = 0
[pid 5442] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5442] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5442] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5442] openat(3, "freezer.state", O_RDWR) = 4
[pid 5442] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5442] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5442] close(3) = 0
[pid 5442] close(4) = 0
[pid 5442] close(5) = -1 EBADF (Bad file descriptor)
[pid 5442] close(6) = -1 EBADF (Bad file descriptor)
[pid 5442] close(7) = -1 EBADF (Bad file descriptor)
[pid 5442] close(8) = -1 EBADF (Bad file descriptor)
[pid 5442] close(9) = -1 EBADF (Bad file descriptor)
[pid 5442] close(10) = -1 EBADF (Bad file descriptor)
[pid 5442] close(11) = -1 EBADF (Bad file descriptor)
[pid 5442] close(12) = -1 EBADF (Bad file descriptor)
[pid 5442] close(13) = -1 EBADF (Bad file descriptor)
[pid 5442] close(14) = -1 EBADF (Bad file descriptor)
[pid 5442] close(15) = -1 EBADF (Bad file descriptor)
[pid 5442] close(16) = -1 EBADF (Bad file descriptor)
[pid 5442] close(17) = -1 EBADF (Bad file descriptor)
[pid 5442] close(18) = -1 EBADF (Bad file descriptor)
[pid 5442] close(19) = -1 EBADF (Bad file descriptor)
[pid 5442] close(20) = -1 EBADF (Bad file descriptor)
[pid 5442] close(21) = -1 EBADF (Bad file descriptor)
[pid 5442] close(22) = -1 EBADF (Bad file descriptor)
[pid 5442] close(23) = -1 EBADF (Bad file descriptor)
[pid 5442] close(24) = -1 EBADF (Bad file descriptor)
[pid 5442] close(25) = -1 EBADF (Bad file descriptor)
[pid 5442] close(26) = -1 EBADF (Bad file descriptor)
[pid 5442] close(27) = -1 EBADF (Bad file descriptor)
[pid 5442] close(28) = -1 EBADF (Bad file descriptor)
[pid 5442] close(29) = -1 EBADF (Bad file descriptor)
[pid 5442] exit_group(0) = ?
[pid 5442] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./440", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./440", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./440/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./440/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./440/cgroup.cpu") = 0
[pid 5000] umount2("./440/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./440/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./440/binderfs") = 0
[pid 5000] umount2("./440/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./440/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./440/cgroup") = 0
[pid 5000] umount2("./440/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./440/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./440/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./440") = 0
[pid 5000] mkdir("./441", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 443
./strace-static-x86_64: Process 5443 attached
[pid 5443] chdir("./441") = 0
[pid 5443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5443] setpgid(0, 0) = 0
[pid 5443] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5443] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5443] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5443] write(3, "1000", 4) = 4
[pid 5443] close(3) = 0
[pid 5443] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5443] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5443] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5443] openat(3, "freezer.state", O_RDWR) = 4
[pid 5443] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5443] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5443] close(3) = 0
[pid 5443] close(4) = 0
[pid 5443] close(5) = -1 EBADF (Bad file descriptor)
[pid 5443] close(6) = -1 EBADF (Bad file descriptor)
[pid 5443] close(7) = -1 EBADF (Bad file descriptor)
[pid 5443] close(8) = -1 EBADF (Bad file descriptor)
[pid 5443] close(9) = -1 EBADF (Bad file descriptor)
[pid 5443] close(10) = -1 EBADF (Bad file descriptor)
[pid 5443] close(11) = -1 EBADF (Bad file descriptor)
[pid 5443] close(12) = -1 EBADF (Bad file descriptor)
[pid 5443] close(13) = -1 EBADF (Bad file descriptor)
[pid 5443] close(14) = -1 EBADF (Bad file descriptor)
[pid 5443] close(15) = -1 EBADF (Bad file descriptor)
[pid 5443] close(16) = -1 EBADF (Bad file descriptor)
[pid 5443] close(17) = -1 EBADF (Bad file descriptor)
[pid 5443] close(18) = -1 EBADF (Bad file descriptor)
[pid 5443] close(19) = -1 EBADF (Bad file descriptor)
[pid 5443] close(20) = -1 EBADF (Bad file descriptor)
[pid 5443] close(21) = -1 EBADF (Bad file descriptor)
[pid 5443] close(22) = -1 EBADF (Bad file descriptor)
[pid 5443] close(23) = -1 EBADF (Bad file descriptor)
[pid 5443] close(24) = -1 EBADF (Bad file descriptor)
[pid 5443] close(25) = -1 EBADF (Bad file descriptor)
[pid 5443] close(26) = -1 EBADF (Bad file descriptor)
[pid 5443] close(27) = -1 EBADF (Bad file descriptor)
[pid 5443] close(28) = -1 EBADF (Bad file descriptor)
[pid 5443] close(29) = -1 EBADF (Bad file descriptor)
[pid 5443] exit_group(0) = ?
[pid 5443] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./441", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./441", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./441/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./441/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./441/cgroup.cpu") = 0
[pid 5000] umount2("./441/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./441/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./441/binderfs") = 0
[pid 5000] umount2("./441/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./441/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./441/cgroup") = 0
[pid 5000] umount2("./441/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./441/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./441/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./441") = 0
[pid 5000] mkdir("./442", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 444
./strace-static-x86_64: Process 5444 attached
[pid 5444] chdir("./442") = 0
[pid 5444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5444] setpgid(0, 0) = 0
[pid 5444] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5444] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5444] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5444] write(3, "1000", 4) = 4
[pid 5444] close(3) = 0
[pid 5444] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5444] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5444] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5444] openat(3, "freezer.state", O_RDWR) = 4
[pid 5444] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5444] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5444] close(3) = 0
[pid 5444] close(4) = 0
[pid 5444] close(5) = -1 EBADF (Bad file descriptor)
[pid 5444] close(6) = -1 EBADF (Bad file descriptor)
[pid 5444] close(7) = -1 EBADF (Bad file descriptor)
[pid 5444] close(8) = -1 EBADF (Bad file descriptor)
[pid 5444] close(9) = -1 EBADF (Bad file descriptor)
[pid 5444] close(10) = -1 EBADF (Bad file descriptor)
[pid 5444] close(11) = -1 EBADF (Bad file descriptor)
[pid 5444] close(12) = -1 EBADF (Bad file descriptor)
[pid 5444] close(13) = -1 EBADF (Bad file descriptor)
[pid 5444] close(14) = -1 EBADF (Bad file descriptor)
[pid 5444] close(15) = -1 EBADF (Bad file descriptor)
[pid 5444] close(16) = -1 EBADF (Bad file descriptor)
[pid 5444] close(17) = -1 EBADF (Bad file descriptor)
[pid 5444] close(18) = -1 EBADF (Bad file descriptor)
[pid 5444] close(19) = -1 EBADF (Bad file descriptor)
[pid 5444] close(20) = -1 EBADF (Bad file descriptor)
[pid 5444] close(21) = -1 EBADF (Bad file descriptor)
[pid 5444] close(22) = -1 EBADF (Bad file descriptor)
[pid 5444] close(23) = -1 EBADF (Bad file descriptor)
[pid 5444] close(24) = -1 EBADF (Bad file descriptor)
[pid 5444] close(25) = -1 EBADF (Bad file descriptor)
[pid 5444] close(26) = -1 EBADF (Bad file descriptor)
[pid 5444] close(27) = -1 EBADF (Bad file descriptor)
[pid 5444] close(28) = -1 EBADF (Bad file descriptor)
[pid 5444] close(29) = -1 EBADF (Bad file descriptor)
[pid 5444] exit_group(0) = ?
[pid 5444] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=444, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./442", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./442", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./442/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./442/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./442/cgroup.cpu") = 0
[pid 5000] umount2("./442/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./442/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./442/binderfs") = 0
[pid 5000] umount2("./442/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./442/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./442/cgroup") = 0
[pid 5000] umount2("./442/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./442/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./442/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./442") = 0
[pid 5000] mkdir("./443", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5445 attached
<unfinished ...>
[pid 5445] chdir("./443" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 445
[pid 5445] <... chdir resumed>) = 0
[pid 5445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5445] setpgid(0, 0) = 0
[pid 5445] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5445] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5445] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5445] write(3, "1000", 4) = 4
[pid 5445] close(3) = 0
[pid 5445] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5445] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5445] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5445] openat(3, "freezer.state", O_RDWR) = 4
[pid 5445] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5445] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5445] close(3) = 0
[pid 5445] close(4) = 0
[pid 5445] close(5) = -1 EBADF (Bad file descriptor)
[pid 5445] close(6) = -1 EBADF (Bad file descriptor)
[pid 5445] close(7) = -1 EBADF (Bad file descriptor)
[pid 5445] close(8) = -1 EBADF (Bad file descriptor)
[pid 5445] close(9) = -1 EBADF (Bad file descriptor)
[pid 5445] close(10) = -1 EBADF (Bad file descriptor)
[pid 5445] close(11) = -1 EBADF (Bad file descriptor)
[pid 5445] close(12) = -1 EBADF (Bad file descriptor)
[pid 5445] close(13) = -1 EBADF (Bad file descriptor)
[pid 5445] close(14) = -1 EBADF (Bad file descriptor)
[pid 5445] close(15) = -1 EBADF (Bad file descriptor)
[pid 5445] close(16) = -1 EBADF (Bad file descriptor)
[pid 5445] close(17) = -1 EBADF (Bad file descriptor)
[pid 5445] close(18) = -1 EBADF (Bad file descriptor)
[pid 5445] close(19) = -1 EBADF (Bad file descriptor)
[pid 5445] close(20) = -1 EBADF (Bad file descriptor)
[pid 5445] close(21) = -1 EBADF (Bad file descriptor)
[pid 5445] close(22) = -1 EBADF (Bad file descriptor)
[pid 5445] close(23) = -1 EBADF (Bad file descriptor)
[pid 5445] close(24) = -1 EBADF (Bad file descriptor)
[pid 5445] close(25) = -1 EBADF (Bad file descriptor)
[pid 5445] close(26) = -1 EBADF (Bad file descriptor)
[pid 5445] close(27) = -1 EBADF (Bad file descriptor)
[pid 5445] close(28) = -1 EBADF (Bad file descriptor)
[pid 5445] close(29) = -1 EBADF (Bad file descriptor)
[pid 5445] exit_group(0) = ?
[pid 5445] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./443", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./443", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./443/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./443/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./443/cgroup.cpu") = 0
[pid 5000] umount2("./443/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./443/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./443/binderfs") = 0
[pid 5000] umount2("./443/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./443/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./443/cgroup") = 0
[pid 5000] umount2("./443/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./443/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./443/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./443") = 0
[pid 5000] mkdir("./444", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5446 attached
<unfinished ...>
[pid 5446] chdir("./444") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 446
[pid 5446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5446] setpgid(0, 0) = 0
[pid 5446] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5446] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5446] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5446] write(3, "1000", 4) = 4
[pid 5446] close(3) = 0
[pid 5446] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5446] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5446] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5446] openat(3, "freezer.state", O_RDWR) = 4
[pid 5446] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5446] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5446] close(3) = 0
[pid 5446] close(4) = 0
[pid 5446] close(5) = -1 EBADF (Bad file descriptor)
[pid 5446] close(6) = -1 EBADF (Bad file descriptor)
[pid 5446] close(7) = -1 EBADF (Bad file descriptor)
[pid 5446] close(8) = -1 EBADF (Bad file descriptor)
[pid 5446] close(9) = -1 EBADF (Bad file descriptor)
[pid 5446] close(10) = -1 EBADF (Bad file descriptor)
[pid 5446] close(11) = -1 EBADF (Bad file descriptor)
[pid 5446] close(12) = -1 EBADF (Bad file descriptor)
[pid 5446] close(13) = -1 EBADF (Bad file descriptor)
[pid 5446] close(14) = -1 EBADF (Bad file descriptor)
[pid 5446] close(15) = -1 EBADF (Bad file descriptor)
[pid 5446] close(16) = -1 EBADF (Bad file descriptor)
[pid 5446] close(17) = -1 EBADF (Bad file descriptor)
[pid 5446] close(18) = -1 EBADF (Bad file descriptor)
[pid 5446] close(19) = -1 EBADF (Bad file descriptor)
[pid 5446] close(20) = -1 EBADF (Bad file descriptor)
[pid 5446] close(21) = -1 EBADF (Bad file descriptor)
[pid 5446] close(22) = -1 EBADF (Bad file descriptor)
[pid 5446] close(23) = -1 EBADF (Bad file descriptor)
[pid 5446] close(24) = -1 EBADF (Bad file descriptor)
[pid 5446] close(25) = -1 EBADF (Bad file descriptor)
[pid 5446] close(26) = -1 EBADF (Bad file descriptor)
[pid 5446] close(27) = -1 EBADF (Bad file descriptor)
[pid 5446] close(28) = -1 EBADF (Bad file descriptor)
[pid 5446] close(29) = -1 EBADF (Bad file descriptor)
[pid 5446] exit_group(0) = ?
[pid 5446] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./444", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./444", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./444/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./444/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./444/cgroup.cpu") = 0
[pid 5000] umount2("./444/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./444/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./444/binderfs") = 0
[pid 5000] umount2("./444/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./444/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./444/cgroup") = 0
[pid 5000] umount2("./444/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./444/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./444/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./444") = 0
[pid 5000] mkdir("./445", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5447 attached
<unfinished ...>
[pid 5447] chdir("./445") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 447
[pid 5447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5447] setpgid(0, 0) = 0
[pid 5447] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5447] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5447] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5447] write(3, "1000", 4) = 4
[pid 5447] close(3) = 0
[pid 5447] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5447] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5447] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5447] openat(3, "freezer.state", O_RDWR) = 4
[pid 5447] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5447] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5447] close(3) = 0
[pid 5447] close(4) = 0
[pid 5447] close(5) = -1 EBADF (Bad file descriptor)
[pid 5447] close(6) = -1 EBADF (Bad file descriptor)
[pid 5447] close(7) = -1 EBADF (Bad file descriptor)
[pid 5447] close(8) = -1 EBADF (Bad file descriptor)
[pid 5447] close(9) = -1 EBADF (Bad file descriptor)
[pid 5447] close(10) = -1 EBADF (Bad file descriptor)
[pid 5447] close(11) = -1 EBADF (Bad file descriptor)
[pid 5447] close(12) = -1 EBADF (Bad file descriptor)
[pid 5447] close(13) = -1 EBADF (Bad file descriptor)
[pid 5447] close(14) = -1 EBADF (Bad file descriptor)
[pid 5447] close(15) = -1 EBADF (Bad file descriptor)
[pid 5447] close(16) = -1 EBADF (Bad file descriptor)
[pid 5447] close(17) = -1 EBADF (Bad file descriptor)
[pid 5447] close(18) = -1 EBADF (Bad file descriptor)
[pid 5447] close(19) = -1 EBADF (Bad file descriptor)
[pid 5447] close(20) = -1 EBADF (Bad file descriptor)
[pid 5447] close(21) = -1 EBADF (Bad file descriptor)
[pid 5447] close(22) = -1 EBADF (Bad file descriptor)
[pid 5447] close(23) = -1 EBADF (Bad file descriptor)
[pid 5447] close(24) = -1 EBADF (Bad file descriptor)
[pid 5447] close(25) = -1 EBADF (Bad file descriptor)
[pid 5447] close(26) = -1 EBADF (Bad file descriptor)
[pid 5447] close(27) = -1 EBADF (Bad file descriptor)
[pid 5447] close(28) = -1 EBADF (Bad file descriptor)
[pid 5447] close(29) = -1 EBADF (Bad file descriptor)
[pid 5447] exit_group(0) = ?
[pid 5447] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./445", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./445", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./445/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./445/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./445/cgroup.cpu") = 0
[pid 5000] umount2("./445/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./445/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./445/binderfs") = 0
[pid 5000] umount2("./445/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./445/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./445/cgroup") = 0
[pid 5000] umount2("./445/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./445/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./445/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./445") = 0
[pid 5000] mkdir("./446", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5448 attached
<unfinished ...>
[pid 5448] chdir("./446") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 448
[pid 5448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5448] setpgid(0, 0) = 0
[pid 5448] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5448] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5448] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5448] write(3, "1000", 4) = 4
[pid 5448] close(3) = 0
[pid 5448] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5448] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5448] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5448] openat(3, "freezer.state", O_RDWR) = 4
[pid 5448] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5448] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5448] close(3) = 0
[pid 5448] close(4) = 0
[pid 5448] close(5) = -1 EBADF (Bad file descriptor)
[pid 5448] close(6) = -1 EBADF (Bad file descriptor)
[pid 5448] close(7) = -1 EBADF (Bad file descriptor)
[pid 5448] close(8) = -1 EBADF (Bad file descriptor)
[pid 5448] close(9) = -1 EBADF (Bad file descriptor)
[pid 5448] close(10) = -1 EBADF (Bad file descriptor)
[pid 5448] close(11) = -1 EBADF (Bad file descriptor)
[pid 5448] close(12) = -1 EBADF (Bad file descriptor)
[pid 5448] close(13) = -1 EBADF (Bad file descriptor)
[pid 5448] close(14) = -1 EBADF (Bad file descriptor)
[pid 5448] close(15) = -1 EBADF (Bad file descriptor)
[pid 5448] close(16) = -1 EBADF (Bad file descriptor)
[pid 5448] close(17) = -1 EBADF (Bad file descriptor)
[pid 5448] close(18) = -1 EBADF (Bad file descriptor)
[pid 5448] close(19) = -1 EBADF (Bad file descriptor)
[pid 5448] close(20) = -1 EBADF (Bad file descriptor)
[pid 5448] close(21) = -1 EBADF (Bad file descriptor)
[pid 5448] close(22) = -1 EBADF (Bad file descriptor)
[pid 5448] close(23) = -1 EBADF (Bad file descriptor)
[pid 5448] close(24) = -1 EBADF (Bad file descriptor)
[pid 5448] close(25) = -1 EBADF (Bad file descriptor)
[pid 5448] close(26) = -1 EBADF (Bad file descriptor)
[pid 5448] close(27) = -1 EBADF (Bad file descriptor)
[pid 5448] close(28) = -1 EBADF (Bad file descriptor)
[pid 5448] close(29) = -1 EBADF (Bad file descriptor)
[pid 5448] exit_group(0) = ?
[pid 5448] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./446", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./446", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./446/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./446/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./446/cgroup.cpu") = 0
[pid 5000] umount2("./446/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./446/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./446/binderfs") = 0
[pid 5000] umount2("./446/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./446/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./446/cgroup") = 0
[pid 5000] umount2("./446/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./446/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./446/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./446") = 0
[pid 5000] mkdir("./447", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5449 attached
<unfinished ...>
[pid 5449] chdir("./447") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 449
[pid 5449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5449] setpgid(0, 0) = 0
[pid 5449] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5449] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5449] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5449] write(3, "1000", 4) = 4
[pid 5449] close(3) = 0
[pid 5449] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5449] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5449] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5449] openat(3, "freezer.state", O_RDWR) = 4
[pid 5449] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5449] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5449] close(3) = 0
[pid 5449] close(4) = 0
[pid 5449] close(5) = -1 EBADF (Bad file descriptor)
[pid 5449] close(6) = -1 EBADF (Bad file descriptor)
[pid 5449] close(7) = -1 EBADF (Bad file descriptor)
[pid 5449] close(8) = -1 EBADF (Bad file descriptor)
[pid 5449] close(9) = -1 EBADF (Bad file descriptor)
[pid 5449] close(10) = -1 EBADF (Bad file descriptor)
[pid 5449] close(11) = -1 EBADF (Bad file descriptor)
[pid 5449] close(12) = -1 EBADF (Bad file descriptor)
[pid 5449] close(13) = -1 EBADF (Bad file descriptor)
[pid 5449] close(14) = -1 EBADF (Bad file descriptor)
[pid 5449] close(15) = -1 EBADF (Bad file descriptor)
[pid 5449] close(16) = -1 EBADF (Bad file descriptor)
[pid 5449] close(17) = -1 EBADF (Bad file descriptor)
[pid 5449] close(18) = -1 EBADF (Bad file descriptor)
[pid 5449] close(19) = -1 EBADF (Bad file descriptor)
[pid 5449] close(20) = -1 EBADF (Bad file descriptor)
[pid 5449] close(21) = -1 EBADF (Bad file descriptor)
[pid 5449] close(22) = -1 EBADF (Bad file descriptor)
[pid 5449] close(23) = -1 EBADF (Bad file descriptor)
[pid 5449] close(24) = -1 EBADF (Bad file descriptor)
[pid 5449] close(25) = -1 EBADF (Bad file descriptor)
[pid 5449] close(26) = -1 EBADF (Bad file descriptor)
[pid 5449] close(27) = -1 EBADF (Bad file descriptor)
[pid 5449] close(28) = -1 EBADF (Bad file descriptor)
[pid 5449] close(29) = -1 EBADF (Bad file descriptor)
[pid 5449] exit_group(0) = ?
[pid 5449] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./447", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./447", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./447/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./447/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./447/cgroup.cpu") = 0
[pid 5000] umount2("./447/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./447/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./447/binderfs") = 0
[pid 5000] umount2("./447/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./447/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./447/cgroup") = 0
[pid 5000] umount2("./447/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./447/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./447/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./447") = 0
[pid 5000] mkdir("./448", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5450 attached
<unfinished ...>
[pid 5450] chdir("./448") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 450
[pid 5450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5450] setpgid(0, 0) = 0
[pid 5450] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5450] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5450] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5450] write(3, "1000", 4) = 4
[pid 5450] close(3) = 0
[pid 5450] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5450] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5450] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5450] openat(3, "freezer.state", O_RDWR) = 4
[pid 5450] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5450] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5450] close(3) = 0
[pid 5450] close(4) = 0
[pid 5450] close(5) = -1 EBADF (Bad file descriptor)
[pid 5450] close(6) = -1 EBADF (Bad file descriptor)
[pid 5450] close(7) = -1 EBADF (Bad file descriptor)
[pid 5450] close(8) = -1 EBADF (Bad file descriptor)
[pid 5450] close(9) = -1 EBADF (Bad file descriptor)
[pid 5450] close(10) = -1 EBADF (Bad file descriptor)
[pid 5450] close(11) = -1 EBADF (Bad file descriptor)
[pid 5450] close(12) = -1 EBADF (Bad file descriptor)
[pid 5450] close(13) = -1 EBADF (Bad file descriptor)
[pid 5450] close(14) = -1 EBADF (Bad file descriptor)
[pid 5450] close(15) = -1 EBADF (Bad file descriptor)
[pid 5450] close(16) = -1 EBADF (Bad file descriptor)
[pid 5450] close(17) = -1 EBADF (Bad file descriptor)
[pid 5450] close(18) = -1 EBADF (Bad file descriptor)
[pid 5450] close(19) = -1 EBADF (Bad file descriptor)
[pid 5450] close(20) = -1 EBADF (Bad file descriptor)
[pid 5450] close(21) = -1 EBADF (Bad file descriptor)
[pid 5450] close(22) = -1 EBADF (Bad file descriptor)
[pid 5450] close(23) = -1 EBADF (Bad file descriptor)
[pid 5450] close(24) = -1 EBADF (Bad file descriptor)
[pid 5450] close(25) = -1 EBADF (Bad file descriptor)
[pid 5450] close(26) = -1 EBADF (Bad file descriptor)
[pid 5450] close(27) = -1 EBADF (Bad file descriptor)
[pid 5450] close(28) = -1 EBADF (Bad file descriptor)
[pid 5450] close(29) = -1 EBADF (Bad file descriptor)
[pid 5450] exit_group(0) = ?
[pid 5450] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./448", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./448", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./448/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./448/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./448/cgroup.cpu") = 0
[pid 5000] umount2("./448/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./448/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./448/binderfs") = 0
[pid 5000] umount2("./448/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./448/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./448/cgroup") = 0
[pid 5000] umount2("./448/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./448/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./448/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./448") = 0
[pid 5000] mkdir("./449", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5451 attached
<unfinished ...>
[pid 5451] chdir("./449") = 0
[pid 5451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5451] setpgid(0, 0) = 0
[pid 5451] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 451
[pid 5451] <... symlink resumed>) = 0
[pid 5451] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5451] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5451] write(3, "1000", 4) = 4
[pid 5451] close(3) = 0
[pid 5451] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5451] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5451] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5451] openat(3, "freezer.state", O_RDWR) = 4
[pid 5451] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5451] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5451] close(3) = 0
[pid 5451] close(4) = 0
[pid 5451] close(5) = -1 EBADF (Bad file descriptor)
[pid 5451] close(6) = -1 EBADF (Bad file descriptor)
[pid 5451] close(7) = -1 EBADF (Bad file descriptor)
[pid 5451] close(8) = -1 EBADF (Bad file descriptor)
[pid 5451] close(9) = -1 EBADF (Bad file descriptor)
[pid 5451] close(10) = -1 EBADF (Bad file descriptor)
[pid 5451] close(11) = -1 EBADF (Bad file descriptor)
[pid 5451] close(12) = -1 EBADF (Bad file descriptor)
[pid 5451] close(13) = -1 EBADF (Bad file descriptor)
[pid 5451] close(14) = -1 EBADF (Bad file descriptor)
[pid 5451] close(15) = -1 EBADF (Bad file descriptor)
[pid 5451] close(16) = -1 EBADF (Bad file descriptor)
[pid 5451] close(17) = -1 EBADF (Bad file descriptor)
[pid 5451] close(18) = -1 EBADF (Bad file descriptor)
[pid 5451] close(19) = -1 EBADF (Bad file descriptor)
[pid 5451] close(20) = -1 EBADF (Bad file descriptor)
[pid 5451] close(21) = -1 EBADF (Bad file descriptor)
[pid 5451] close(22) = -1 EBADF (Bad file descriptor)
[pid 5451] close(23) = -1 EBADF (Bad file descriptor)
[pid 5451] close(24) = -1 EBADF (Bad file descriptor)
[pid 5451] close(25) = -1 EBADF (Bad file descriptor)
[pid 5451] close(26) = -1 EBADF (Bad file descriptor)
[pid 5451] close(27) = -1 EBADF (Bad file descriptor)
[pid 5451] close(28) = -1 EBADF (Bad file descriptor)
[pid 5451] close(29) = -1 EBADF (Bad file descriptor)
[pid 5451] exit_group(0) = ?
[pid 5451] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./449", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./449", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./449/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./449/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./449/cgroup.cpu") = 0
[pid 5000] umount2("./449/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./449/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./449/binderfs") = 0
[pid 5000] umount2("./449/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./449/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./449/cgroup") = 0
[pid 5000] umount2("./449/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./449/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./449/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./449") = 0
[pid 5000] mkdir("./450", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 452
./strace-static-x86_64: Process 5452 attached
[pid 5452] chdir("./450") = 0
[pid 5452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5452] setpgid(0, 0) = 0
[pid 5452] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5452] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5452] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5452] write(3, "1000", 4) = 4
[pid 5452] close(3) = 0
[pid 5452] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5452] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5452] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5452] openat(3, "freezer.state", O_RDWR) = 4
[pid 5452] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5452] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5452] close(3) = 0
[pid 5452] close(4) = 0
[pid 5452] close(5) = -1 EBADF (Bad file descriptor)
[pid 5452] close(6) = -1 EBADF (Bad file descriptor)
[pid 5452] close(7) = -1 EBADF (Bad file descriptor)
[pid 5452] close(8) = -1 EBADF (Bad file descriptor)
[pid 5452] close(9) = -1 EBADF (Bad file descriptor)
[pid 5452] close(10) = -1 EBADF (Bad file descriptor)
[pid 5452] close(11) = -1 EBADF (Bad file descriptor)
[pid 5452] close(12) = -1 EBADF (Bad file descriptor)
[pid 5452] close(13) = -1 EBADF (Bad file descriptor)
[pid 5452] close(14) = -1 EBADF (Bad file descriptor)
[pid 5452] close(15) = -1 EBADF (Bad file descriptor)
[pid 5452] close(16) = -1 EBADF (Bad file descriptor)
[pid 5452] close(17) = -1 EBADF (Bad file descriptor)
[pid 5452] close(18) = -1 EBADF (Bad file descriptor)
[pid 5452] close(19) = -1 EBADF (Bad file descriptor)
[pid 5452] close(20) = -1 EBADF (Bad file descriptor)
[pid 5452] close(21) = -1 EBADF (Bad file descriptor)
[pid 5452] close(22) = -1 EBADF (Bad file descriptor)
[pid 5452] close(23) = -1 EBADF (Bad file descriptor)
[pid 5452] close(24) = -1 EBADF (Bad file descriptor)
[pid 5452] close(25) = -1 EBADF (Bad file descriptor)
[pid 5452] close(26) = -1 EBADF (Bad file descriptor)
[pid 5452] close(27) = -1 EBADF (Bad file descriptor)
[pid 5452] close(28) = -1 EBADF (Bad file descriptor)
[pid 5452] close(29) = -1 EBADF (Bad file descriptor)
[pid 5452] exit_group(0) = ?
[pid 5452] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./450", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./450", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./450/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./450/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./450/cgroup.cpu") = 0
[pid 5000] umount2("./450/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./450/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./450/binderfs") = 0
[pid 5000] umount2("./450/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./450/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./450/cgroup") = 0
[pid 5000] umount2("./450/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./450/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./450/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./450") = 0
[pid 5000] mkdir("./451", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 453
./strace-static-x86_64: Process 5453 attached
[pid 5453] chdir("./451") = 0
[pid 5453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5453] setpgid(0, 0) = 0
[pid 5453] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5453] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5453] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5453] write(3, "1000", 4) = 4
[pid 5453] close(3) = 0
[pid 5453] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5453] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5453] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5453] openat(3, "freezer.state", O_RDWR) = 4
[pid 5453] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5453] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5453] close(3) = 0
[pid 5453] close(4) = 0
[pid 5453] close(5) = -1 EBADF (Bad file descriptor)
[pid 5453] close(6) = -1 EBADF (Bad file descriptor)
[pid 5453] close(7) = -1 EBADF (Bad file descriptor)
[pid 5453] close(8) = -1 EBADF (Bad file descriptor)
[pid 5453] close(9) = -1 EBADF (Bad file descriptor)
[pid 5453] close(10) = -1 EBADF (Bad file descriptor)
[pid 5453] close(11) = -1 EBADF (Bad file descriptor)
[pid 5453] close(12) = -1 EBADF (Bad file descriptor)
[pid 5453] close(13) = -1 EBADF (Bad file descriptor)
[pid 5453] close(14) = -1 EBADF (Bad file descriptor)
[pid 5453] close(15) = -1 EBADF (Bad file descriptor)
[pid 5453] close(16) = -1 EBADF (Bad file descriptor)
[pid 5453] close(17) = -1 EBADF (Bad file descriptor)
[pid 5453] close(18) = -1 EBADF (Bad file descriptor)
[pid 5453] close(19) = -1 EBADF (Bad file descriptor)
[pid 5453] close(20) = -1 EBADF (Bad file descriptor)
[pid 5453] close(21) = -1 EBADF (Bad file descriptor)
[pid 5453] close(22) = -1 EBADF (Bad file descriptor)
[pid 5453] close(23) = -1 EBADF (Bad file descriptor)
[pid 5453] close(24) = -1 EBADF (Bad file descriptor)
[pid 5453] close(25) = -1 EBADF (Bad file descriptor)
[pid 5453] close(26) = -1 EBADF (Bad file descriptor)
[pid 5453] close(27) = -1 EBADF (Bad file descriptor)
[pid 5453] close(28) = -1 EBADF (Bad file descriptor)
[pid 5453] close(29) = -1 EBADF (Bad file descriptor)
[pid 5453] exit_group(0) = ?
[pid 5453] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./451", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./451", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./451/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./451/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./451/cgroup.cpu") = 0
[pid 5000] umount2("./451/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./451/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./451/binderfs") = 0
[pid 5000] umount2("./451/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./451/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./451/cgroup") = 0
[pid 5000] umount2("./451/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./451/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./451/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./451") = 0
[pid 5000] mkdir("./452", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5454 attached
<unfinished ...>
[pid 5454] chdir("./452") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 454
[pid 5454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5454] setpgid(0, 0) = 0
[pid 5454] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5454] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5454] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5454] write(3, "1000", 4) = 4
[pid 5454] close(3) = 0
[pid 5454] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5454] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5454] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5454] openat(3, "freezer.state", O_RDWR) = 4
[pid 5454] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5454] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5454] close(3) = 0
[pid 5454] close(4) = 0
[pid 5454] close(5) = -1 EBADF (Bad file descriptor)
[pid 5454] close(6) = -1 EBADF (Bad file descriptor)
[pid 5454] close(7) = -1 EBADF (Bad file descriptor)
[pid 5454] close(8) = -1 EBADF (Bad file descriptor)
[pid 5454] close(9) = -1 EBADF (Bad file descriptor)
[pid 5454] close(10) = -1 EBADF (Bad file descriptor)
[pid 5454] close(11) = -1 EBADF (Bad file descriptor)
[pid 5454] close(12) = -1 EBADF (Bad file descriptor)
[pid 5454] close(13) = -1 EBADF (Bad file descriptor)
[pid 5454] close(14) = -1 EBADF (Bad file descriptor)
[pid 5454] close(15) = -1 EBADF (Bad file descriptor)
[pid 5454] close(16) = -1 EBADF (Bad file descriptor)
[pid 5454] close(17) = -1 EBADF (Bad file descriptor)
[pid 5454] close(18) = -1 EBADF (Bad file descriptor)
[pid 5454] close(19) = -1 EBADF (Bad file descriptor)
[pid 5454] close(20) = -1 EBADF (Bad file descriptor)
[pid 5454] close(21) = -1 EBADF (Bad file descriptor)
[pid 5454] close(22) = -1 EBADF (Bad file descriptor)
[pid 5454] close(23) = -1 EBADF (Bad file descriptor)
[pid 5454] close(24) = -1 EBADF (Bad file descriptor)
[pid 5454] close(25) = -1 EBADF (Bad file descriptor)
[pid 5454] close(26) = -1 EBADF (Bad file descriptor)
[pid 5454] close(27) = -1 EBADF (Bad file descriptor)
[pid 5454] close(28) = -1 EBADF (Bad file descriptor)
[pid 5454] close(29) = -1 EBADF (Bad file descriptor)
[pid 5454] exit_group(0) = ?
[pid 5454] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./452", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./452", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./452/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./452/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./452/cgroup.cpu") = 0
[pid 5000] umount2("./452/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./452/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./452/binderfs") = 0
[pid 5000] umount2("./452/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./452/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./452/cgroup") = 0
[pid 5000] umount2("./452/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./452/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./452/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./452") = 0
[pid 5000] mkdir("./453", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5455 attached
<unfinished ...>
[pid 5455] chdir("./453") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 455
[pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5455] setpgid(0, 0) = 0
[pid 5455] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5455] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5455] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5455] write(3, "1000", 4) = 4
[pid 5455] close(3) = 0
[pid 5455] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5455] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5455] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5455] openat(3, "freezer.state", O_RDWR) = 4
[pid 5455] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5455] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5455] close(3) = 0
[pid 5455] close(4) = 0
[pid 5455] close(5) = -1 EBADF (Bad file descriptor)
[pid 5455] close(6) = -1 EBADF (Bad file descriptor)
[pid 5455] close(7) = -1 EBADF (Bad file descriptor)
[pid 5455] close(8) = -1 EBADF (Bad file descriptor)
[pid 5455] close(9) = -1 EBADF (Bad file descriptor)
[pid 5455] close(10) = -1 EBADF (Bad file descriptor)
[pid 5455] close(11) = -1 EBADF (Bad file descriptor)
[pid 5455] close(12) = -1 EBADF (Bad file descriptor)
[pid 5455] close(13) = -1 EBADF (Bad file descriptor)
[pid 5455] close(14) = -1 EBADF (Bad file descriptor)
[pid 5455] close(15) = -1 EBADF (Bad file descriptor)
[pid 5455] close(16) = -1 EBADF (Bad file descriptor)
[pid 5455] close(17) = -1 EBADF (Bad file descriptor)
[pid 5455] close(18) = -1 EBADF (Bad file descriptor)
[pid 5455] close(19) = -1 EBADF (Bad file descriptor)
[pid 5455] close(20) = -1 EBADF (Bad file descriptor)
[pid 5455] close(21) = -1 EBADF (Bad file descriptor)
[pid 5455] close(22) = -1 EBADF (Bad file descriptor)
[pid 5455] close(23) = -1 EBADF (Bad file descriptor)
[pid 5455] close(24) = -1 EBADF (Bad file descriptor)
[pid 5455] close(25) = -1 EBADF (Bad file descriptor)
[pid 5455] close(26) = -1 EBADF (Bad file descriptor)
[pid 5455] close(27) = -1 EBADF (Bad file descriptor)
[pid 5455] close(28) = -1 EBADF (Bad file descriptor)
[pid 5455] close(29) = -1 EBADF (Bad file descriptor)
[pid 5455] exit_group(0) = ?
[pid 5455] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./453", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./453", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./453/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./453/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./453/cgroup.cpu") = 0
[pid 5000] umount2("./453/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./453/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./453/binderfs") = 0
[pid 5000] umount2("./453/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./453/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./453/cgroup") = 0
[pid 5000] umount2("./453/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./453/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./453/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./453") = 0
[pid 5000] mkdir("./454", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5456 attached
<unfinished ...>
[pid 5456] chdir("./454" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 456
[pid 5456] <... chdir resumed>) = 0
[pid 5456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5456] setpgid(0, 0) = 0
[pid 5456] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5456] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5456] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5456] write(3, "1000", 4) = 4
[pid 5456] close(3) = 0
[pid 5456] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5456] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5456] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5456] openat(3, "freezer.state", O_RDWR) = 4
[pid 5456] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5456] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5456] close(3) = 0
[pid 5456] close(4) = 0
[pid 5456] close(5) = -1 EBADF (Bad file descriptor)
[pid 5456] close(6) = -1 EBADF (Bad file descriptor)
[pid 5456] close(7) = -1 EBADF (Bad file descriptor)
[pid 5456] close(8) = -1 EBADF (Bad file descriptor)
[pid 5456] close(9) = -1 EBADF (Bad file descriptor)
[pid 5456] close(10) = -1 EBADF (Bad file descriptor)
[pid 5456] close(11) = -1 EBADF (Bad file descriptor)
[pid 5456] close(12) = -1 EBADF (Bad file descriptor)
[pid 5456] close(13) = -1 EBADF (Bad file descriptor)
[pid 5456] close(14) = -1 EBADF (Bad file descriptor)
[pid 5456] close(15) = -1 EBADF (Bad file descriptor)
[pid 5456] close(16) = -1 EBADF (Bad file descriptor)
[pid 5456] close(17) = -1 EBADF (Bad file descriptor)
[pid 5456] close(18) = -1 EBADF (Bad file descriptor)
[pid 5456] close(19) = -1 EBADF (Bad file descriptor)
[pid 5456] close(20) = -1 EBADF (Bad file descriptor)
[pid 5456] close(21) = -1 EBADF (Bad file descriptor)
[pid 5456] close(22) = -1 EBADF (Bad file descriptor)
[pid 5456] close(23) = -1 EBADF (Bad file descriptor)
[pid 5456] close(24) = -1 EBADF (Bad file descriptor)
[pid 5456] close(25) = -1 EBADF (Bad file descriptor)
[pid 5456] close(26) = -1 EBADF (Bad file descriptor)
[pid 5456] close(27) = -1 EBADF (Bad file descriptor)
[pid 5456] close(28) = -1 EBADF (Bad file descriptor)
[pid 5456] close(29) = -1 EBADF (Bad file descriptor)
[pid 5456] exit_group(0) = ?
[pid 5456] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./454", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./454", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./454/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./454/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./454/cgroup.cpu") = 0
[pid 5000] umount2("./454/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./454/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./454/binderfs") = 0
[pid 5000] umount2("./454/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./454/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./454/cgroup") = 0
[pid 5000] umount2("./454/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./454/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./454/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./454") = 0
[pid 5000] mkdir("./455", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 457
./strace-static-x86_64: Process 5457 attached
[pid 5457] chdir("./455") = 0
[pid 5457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5457] setpgid(0, 0) = 0
[pid 5457] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5457] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5457] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5457] write(3, "1000", 4) = 4
[pid 5457] close(3) = 0
[pid 5457] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5457] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5457] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5457] openat(3, "freezer.state", O_RDWR) = 4
[pid 5457] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5457] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5457] close(3) = 0
[pid 5457] close(4) = 0
[pid 5457] close(5) = -1 EBADF (Bad file descriptor)
[pid 5457] close(6) = -1 EBADF (Bad file descriptor)
[pid 5457] close(7) = -1 EBADF (Bad file descriptor)
[pid 5457] close(8) = -1 EBADF (Bad file descriptor)
[pid 5457] close(9) = -1 EBADF (Bad file descriptor)
[pid 5457] close(10) = -1 EBADF (Bad file descriptor)
[pid 5457] close(11) = -1 EBADF (Bad file descriptor)
[pid 5457] close(12) = -1 EBADF (Bad file descriptor)
[pid 5457] close(13) = -1 EBADF (Bad file descriptor)
[pid 5457] close(14) = -1 EBADF (Bad file descriptor)
[pid 5457] close(15) = -1 EBADF (Bad file descriptor)
[pid 5457] close(16) = -1 EBADF (Bad file descriptor)
[pid 5457] close(17) = -1 EBADF (Bad file descriptor)
[pid 5457] close(18) = -1 EBADF (Bad file descriptor)
[pid 5457] close(19) = -1 EBADF (Bad file descriptor)
[pid 5457] close(20) = -1 EBADF (Bad file descriptor)
[pid 5457] close(21) = -1 EBADF (Bad file descriptor)
[pid 5457] close(22) = -1 EBADF (Bad file descriptor)
[pid 5457] close(23) = -1 EBADF (Bad file descriptor)
[pid 5457] close(24) = -1 EBADF (Bad file descriptor)
[pid 5457] close(25) = -1 EBADF (Bad file descriptor)
[pid 5457] close(26) = -1 EBADF (Bad file descriptor)
[pid 5457] close(27) = -1 EBADF (Bad file descriptor)
[pid 5457] close(28) = -1 EBADF (Bad file descriptor)
[pid 5457] close(29) = -1 EBADF (Bad file descriptor)
[pid 5457] exit_group(0) = ?
[pid 5457] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./455", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./455", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./455/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./455/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./455/cgroup.cpu") = 0
[pid 5000] umount2("./455/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./455/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./455/binderfs") = 0
[pid 5000] umount2("./455/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./455/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./455/cgroup") = 0
[pid 5000] umount2("./455/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./455/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./455/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./455") = 0
[pid 5000] mkdir("./456", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 458
./strace-static-x86_64: Process 5458 attached
[pid 5458] chdir("./456") = 0
[pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5458] setpgid(0, 0) = 0
[pid 5458] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5458] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5458] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5458] write(3, "1000", 4) = 4
[pid 5458] close(3) = 0
[pid 5458] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5458] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5458] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5458] openat(3, "freezer.state", O_RDWR) = 4
[pid 5458] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5458] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5458] close(3) = 0
[pid 5458] close(4) = 0
[pid 5458] close(5) = -1 EBADF (Bad file descriptor)
[pid 5458] close(6) = -1 EBADF (Bad file descriptor)
[pid 5458] close(7) = -1 EBADF (Bad file descriptor)
[pid 5458] close(8) = -1 EBADF (Bad file descriptor)
[pid 5458] close(9) = -1 EBADF (Bad file descriptor)
[pid 5458] close(10) = -1 EBADF (Bad file descriptor)
[pid 5458] close(11) = -1 EBADF (Bad file descriptor)
[pid 5458] close(12) = -1 EBADF (Bad file descriptor)
[pid 5458] close(13) = -1 EBADF (Bad file descriptor)
[pid 5458] close(14) = -1 EBADF (Bad file descriptor)
[pid 5458] close(15) = -1 EBADF (Bad file descriptor)
[pid 5458] close(16) = -1 EBADF (Bad file descriptor)
[pid 5458] close(17) = -1 EBADF (Bad file descriptor)
[pid 5458] close(18) = -1 EBADF (Bad file descriptor)
[pid 5458] close(19) = -1 EBADF (Bad file descriptor)
[pid 5458] close(20) = -1 EBADF (Bad file descriptor)
[pid 5458] close(21) = -1 EBADF (Bad file descriptor)
[pid 5458] close(22) = -1 EBADF (Bad file descriptor)
[pid 5458] close(23) = -1 EBADF (Bad file descriptor)
[pid 5458] close(24) = -1 EBADF (Bad file descriptor)
[pid 5458] close(25) = -1 EBADF (Bad file descriptor)
[pid 5458] close(26) = -1 EBADF (Bad file descriptor)
[pid 5458] close(27) = -1 EBADF (Bad file descriptor)
[pid 5458] close(28) = -1 EBADF (Bad file descriptor)
[pid 5458] close(29) = -1 EBADF (Bad file descriptor)
[pid 5458] exit_group(0) = ?
[pid 5458] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./456", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./456", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./456/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./456/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./456/cgroup.cpu") = 0
[pid 5000] umount2("./456/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./456/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./456/binderfs") = 0
[pid 5000] umount2("./456/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./456/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./456/cgroup") = 0
[pid 5000] umount2("./456/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./456/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./456/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./456") = 0
[pid 5000] mkdir("./457", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5459 attached
<unfinished ...>
[pid 5459] chdir("./457") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 459
[pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5459] setpgid(0, 0) = 0
[pid 5459] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5459] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5459] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5459] write(3, "1000", 4) = 4
[pid 5459] close(3) = 0
[pid 5459] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5459] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5459] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5459] openat(3, "freezer.state", O_RDWR) = 4
[pid 5459] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5459] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5459] close(3) = 0
[pid 5459] close(4) = 0
[pid 5459] close(5) = -1 EBADF (Bad file descriptor)
[pid 5459] close(6) = -1 EBADF (Bad file descriptor)
[pid 5459] close(7) = -1 EBADF (Bad file descriptor)
[pid 5459] close(8) = -1 EBADF (Bad file descriptor)
[pid 5459] close(9) = -1 EBADF (Bad file descriptor)
[pid 5459] close(10) = -1 EBADF (Bad file descriptor)
[pid 5459] close(11) = -1 EBADF (Bad file descriptor)
[pid 5459] close(12) = -1 EBADF (Bad file descriptor)
[pid 5459] close(13) = -1 EBADF (Bad file descriptor)
[pid 5459] close(14) = -1 EBADF (Bad file descriptor)
[pid 5459] close(15) = -1 EBADF (Bad file descriptor)
[pid 5459] close(16) = -1 EBADF (Bad file descriptor)
[pid 5459] close(17) = -1 EBADF (Bad file descriptor)
[pid 5459] close(18) = -1 EBADF (Bad file descriptor)
[pid 5459] close(19) = -1 EBADF (Bad file descriptor)
[pid 5459] close(20) = -1 EBADF (Bad file descriptor)
[pid 5459] close(21) = -1 EBADF (Bad file descriptor)
[pid 5459] close(22) = -1 EBADF (Bad file descriptor)
[pid 5459] close(23) = -1 EBADF (Bad file descriptor)
[pid 5459] close(24) = -1 EBADF (Bad file descriptor)
[pid 5459] close(25) = -1 EBADF (Bad file descriptor)
[pid 5459] close(26) = -1 EBADF (Bad file descriptor)
[pid 5459] close(27) = -1 EBADF (Bad file descriptor)
[pid 5459] close(28) = -1 EBADF (Bad file descriptor)
[pid 5459] close(29) = -1 EBADF (Bad file descriptor)
[pid 5459] exit_group(0) = ?
[pid 5459] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./457", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./457", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./457/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./457/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./457/cgroup.cpu") = 0
[pid 5000] umount2("./457/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./457/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./457/binderfs") = 0
[pid 5000] umount2("./457/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./457/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./457/cgroup") = 0
[pid 5000] umount2("./457/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./457/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./457/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./457") = 0
[pid 5000] mkdir("./458", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5460 attached
<unfinished ...>
[pid 5460] chdir("./458" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 460
[pid 5460] <... chdir resumed>) = 0
[pid 5460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5460] setpgid(0, 0) = 0
[pid 5460] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5460] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5460] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5460] write(3, "1000", 4) = 4
[pid 5460] close(3) = 0
[pid 5460] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5460] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5460] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5460] openat(3, "freezer.state", O_RDWR) = 4
[pid 5460] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5460] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5460] close(3) = 0
[pid 5460] close(4) = 0
[pid 5460] close(5) = -1 EBADF (Bad file descriptor)
[pid 5460] close(6) = -1 EBADF (Bad file descriptor)
[pid 5460] close(7) = -1 EBADF (Bad file descriptor)
[pid 5460] close(8) = -1 EBADF (Bad file descriptor)
[pid 5460] close(9) = -1 EBADF (Bad file descriptor)
[pid 5460] close(10) = -1 EBADF (Bad file descriptor)
[pid 5460] close(11) = -1 EBADF (Bad file descriptor)
[pid 5460] close(12) = -1 EBADF (Bad file descriptor)
[pid 5460] close(13) = -1 EBADF (Bad file descriptor)
[pid 5460] close(14) = -1 EBADF (Bad file descriptor)
[pid 5460] close(15) = -1 EBADF (Bad file descriptor)
[pid 5460] close(16) = -1 EBADF (Bad file descriptor)
[pid 5460] close(17) = -1 EBADF (Bad file descriptor)
[pid 5460] close(18) = -1 EBADF (Bad file descriptor)
[pid 5460] close(19) = -1 EBADF (Bad file descriptor)
[pid 5460] close(20) = -1 EBADF (Bad file descriptor)
[pid 5460] close(21) = -1 EBADF (Bad file descriptor)
[pid 5460] close(22) = -1 EBADF (Bad file descriptor)
[pid 5460] close(23) = -1 EBADF (Bad file descriptor)
[pid 5460] close(24) = -1 EBADF (Bad file descriptor)
[pid 5460] close(25) = -1 EBADF (Bad file descriptor)
[pid 5460] close(26) = -1 EBADF (Bad file descriptor)
[pid 5460] close(27) = -1 EBADF (Bad file descriptor)
[pid 5460] close(28) = -1 EBADF (Bad file descriptor)
[pid 5460] close(29) = -1 EBADF (Bad file descriptor)
[pid 5460] exit_group(0) = ?
[pid 5460] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./458", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./458", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./458/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./458/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./458/cgroup.cpu") = 0
[pid 5000] umount2("./458/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./458/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./458/binderfs") = 0
[pid 5000] umount2("./458/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./458/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./458/cgroup") = 0
[pid 5000] umount2("./458/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./458/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./458/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./458") = 0
[pid 5000] mkdir("./459", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5461 attached
<unfinished ...>
[pid 5461] chdir("./459") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 461
[pid 5461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5461] setpgid(0, 0) = 0
[pid 5461] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5461] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5461] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5461] write(3, "1000", 4) = 4
[pid 5461] close(3) = 0
[pid 5461] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5461] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5461] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5461] openat(3, "freezer.state", O_RDWR) = 4
[pid 5461] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5461] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5461] close(3) = 0
[pid 5461] close(4) = 0
[pid 5461] close(5) = -1 EBADF (Bad file descriptor)
[pid 5461] close(6) = -1 EBADF (Bad file descriptor)
[pid 5461] close(7) = -1 EBADF (Bad file descriptor)
[pid 5461] close(8) = -1 EBADF (Bad file descriptor)
[pid 5461] close(9) = -1 EBADF (Bad file descriptor)
[pid 5461] close(10) = -1 EBADF (Bad file descriptor)
[pid 5461] close(11) = -1 EBADF (Bad file descriptor)
[pid 5461] close(12) = -1 EBADF (Bad file descriptor)
[pid 5461] close(13) = -1 EBADF (Bad file descriptor)
[pid 5461] close(14) = -1 EBADF (Bad file descriptor)
[pid 5461] close(15) = -1 EBADF (Bad file descriptor)
[pid 5461] close(16) = -1 EBADF (Bad file descriptor)
[pid 5461] close(17) = -1 EBADF (Bad file descriptor)
[pid 5461] close(18) = -1 EBADF (Bad file descriptor)
[pid 5461] close(19) = -1 EBADF (Bad file descriptor)
[pid 5461] close(20) = -1 EBADF (Bad file descriptor)
[pid 5461] close(21) = -1 EBADF (Bad file descriptor)
[pid 5461] close(22) = -1 EBADF (Bad file descriptor)
[pid 5461] close(23) = -1 EBADF (Bad file descriptor)
[pid 5461] close(24) = -1 EBADF (Bad file descriptor)
[pid 5461] close(25) = -1 EBADF (Bad file descriptor)
[pid 5461] close(26) = -1 EBADF (Bad file descriptor)
[pid 5461] close(27) = -1 EBADF (Bad file descriptor)
[pid 5461] close(28) = -1 EBADF (Bad file descriptor)
[pid 5461] close(29) = -1 EBADF (Bad file descriptor)
[pid 5461] exit_group(0) = ?
[pid 5461] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./459", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./459", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./459/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./459/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./459/cgroup.cpu") = 0
[pid 5000] umount2("./459/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./459/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./459/binderfs") = 0
[pid 5000] umount2("./459/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./459/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./459/cgroup") = 0
[pid 5000] umount2("./459/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./459/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./459/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./459") = 0
[pid 5000] mkdir("./460", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5462 attached
<unfinished ...>
[pid 5462] chdir("./460") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 462
[pid 5462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5462] setpgid(0, 0) = 0
[pid 5462] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5462] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5462] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5462] write(3, "1000", 4) = 4
[pid 5462] close(3) = 0
[pid 5462] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5462] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5462] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5462] openat(3, "freezer.state", O_RDWR) = 4
[pid 5462] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5462] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5462] close(3) = 0
[pid 5462] close(4) = 0
[pid 5462] close(5) = -1 EBADF (Bad file descriptor)
[pid 5462] close(6) = -1 EBADF (Bad file descriptor)
[pid 5462] close(7) = -1 EBADF (Bad file descriptor)
[pid 5462] close(8) = -1 EBADF (Bad file descriptor)
[pid 5462] close(9) = -1 EBADF (Bad file descriptor)
[pid 5462] close(10) = -1 EBADF (Bad file descriptor)
[pid 5462] close(11) = -1 EBADF (Bad file descriptor)
[pid 5462] close(12) = -1 EBADF (Bad file descriptor)
[pid 5462] close(13) = -1 EBADF (Bad file descriptor)
[pid 5462] close(14) = -1 EBADF (Bad file descriptor)
[pid 5462] close(15) = -1 EBADF (Bad file descriptor)
[pid 5462] close(16) = -1 EBADF (Bad file descriptor)
[pid 5462] close(17) = -1 EBADF (Bad file descriptor)
[pid 5462] close(18) = -1 EBADF (Bad file descriptor)
[pid 5462] close(19) = -1 EBADF (Bad file descriptor)
[pid 5462] close(20) = -1 EBADF (Bad file descriptor)
[pid 5462] close(21) = -1 EBADF (Bad file descriptor)
[pid 5462] close(22) = -1 EBADF (Bad file descriptor)
[pid 5462] close(23) = -1 EBADF (Bad file descriptor)
[pid 5462] close(24) = -1 EBADF (Bad file descriptor)
[pid 5462] close(25) = -1 EBADF (Bad file descriptor)
[pid 5462] close(26) = -1 EBADF (Bad file descriptor)
[pid 5462] close(27) = -1 EBADF (Bad file descriptor)
[pid 5462] close(28) = -1 EBADF (Bad file descriptor)
[pid 5462] close(29) = -1 EBADF (Bad file descriptor)
[pid 5462] exit_group(0) = ?
[pid 5462] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=462, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./460", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./460", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./460/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./460/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./460/cgroup.cpu") = 0
[pid 5000] umount2("./460/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./460/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./460/binderfs") = 0
[pid 5000] umount2("./460/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./460/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./460/cgroup") = 0
[pid 5000] umount2("./460/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./460/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./460/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./460") = 0
[pid 5000] mkdir("./461", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5463 attached
<unfinished ...>
[pid 5463] chdir("./461") = 0
[pid 5463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5463] setpgid(0, 0) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 463
[pid 5463] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5463] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5463] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5463] write(3, "1000", 4) = 4
[pid 5463] close(3) = 0
[pid 5463] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5463] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5463] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5463] openat(3, "freezer.state", O_RDWR) = 4
[pid 5463] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5463] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5463] close(3) = 0
[pid 5463] close(4) = 0
[pid 5463] close(5) = -1 EBADF (Bad file descriptor)
[pid 5463] close(6) = -1 EBADF (Bad file descriptor)
[pid 5463] close(7) = -1 EBADF (Bad file descriptor)
[pid 5463] close(8) = -1 EBADF (Bad file descriptor)
[pid 5463] close(9) = -1 EBADF (Bad file descriptor)
[pid 5463] close(10) = -1 EBADF (Bad file descriptor)
[pid 5463] close(11) = -1 EBADF (Bad file descriptor)
[pid 5463] close(12) = -1 EBADF (Bad file descriptor)
[pid 5463] close(13) = -1 EBADF (Bad file descriptor)
[pid 5463] close(14) = -1 EBADF (Bad file descriptor)
[pid 5463] close(15) = -1 EBADF (Bad file descriptor)
[pid 5463] close(16) = -1 EBADF (Bad file descriptor)
[pid 5463] close(17) = -1 EBADF (Bad file descriptor)
[pid 5463] close(18) = -1 EBADF (Bad file descriptor)
[pid 5463] close(19) = -1 EBADF (Bad file descriptor)
[pid 5463] close(20) = -1 EBADF (Bad file descriptor)
[pid 5463] close(21) = -1 EBADF (Bad file descriptor)
[pid 5463] close(22) = -1 EBADF (Bad file descriptor)
[pid 5463] close(23) = -1 EBADF (Bad file descriptor)
[pid 5463] close(24) = -1 EBADF (Bad file descriptor)
[pid 5463] close(25) = -1 EBADF (Bad file descriptor)
[pid 5463] close(26) = -1 EBADF (Bad file descriptor)
[pid 5463] close(27) = -1 EBADF (Bad file descriptor)
[pid 5463] close(28) = -1 EBADF (Bad file descriptor)
[pid 5463] close(29) = -1 EBADF (Bad file descriptor)
[pid 5463] exit_group(0) = ?
[pid 5463] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./461", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./461", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./461/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./461/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./461/cgroup.cpu") = 0
[pid 5000] umount2("./461/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./461/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./461/binderfs") = 0
[pid 5000] umount2("./461/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./461/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./461/cgroup") = 0
[pid 5000] umount2("./461/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./461/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./461/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./461") = 0
[pid 5000] mkdir("./462", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5464 attached
<unfinished ...>
[pid 5464] chdir("./462" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 464
[pid 5464] <... chdir resumed>) = 0
[pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5464] setpgid(0, 0) = 0
[pid 5464] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5464] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5464] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5464] write(3, "1000", 4) = 4
[pid 5464] close(3) = 0
[pid 5464] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5464] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5464] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5464] openat(3, "freezer.state", O_RDWR) = 4
[pid 5464] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5464] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5464] close(3) = 0
[pid 5464] close(4) = 0
[pid 5464] close(5) = -1 EBADF (Bad file descriptor)
[pid 5464] close(6) = -1 EBADF (Bad file descriptor)
[pid 5464] close(7) = -1 EBADF (Bad file descriptor)
[pid 5464] close(8) = -1 EBADF (Bad file descriptor)
[pid 5464] close(9) = -1 EBADF (Bad file descriptor)
[pid 5464] close(10) = -1 EBADF (Bad file descriptor)
[pid 5464] close(11) = -1 EBADF (Bad file descriptor)
[pid 5464] close(12) = -1 EBADF (Bad file descriptor)
[pid 5464] close(13) = -1 EBADF (Bad file descriptor)
[pid 5464] close(14) = -1 EBADF (Bad file descriptor)
[pid 5464] close(15) = -1 EBADF (Bad file descriptor)
[pid 5464] close(16) = -1 EBADF (Bad file descriptor)
[pid 5464] close(17) = -1 EBADF (Bad file descriptor)
[pid 5464] close(18) = -1 EBADF (Bad file descriptor)
[pid 5464] close(19) = -1 EBADF (Bad file descriptor)
[pid 5464] close(20) = -1 EBADF (Bad file descriptor)
[pid 5464] close(21) = -1 EBADF (Bad file descriptor)
[pid 5464] close(22) = -1 EBADF (Bad file descriptor)
[pid 5464] close(23) = -1 EBADF (Bad file descriptor)
[pid 5464] close(24) = -1 EBADF (Bad file descriptor)
[pid 5464] close(25) = -1 EBADF (Bad file descriptor)
[pid 5464] close(26) = -1 EBADF (Bad file descriptor)
[pid 5464] close(27) = -1 EBADF (Bad file descriptor)
[pid 5464] close(28) = -1 EBADF (Bad file descriptor)
[pid 5464] close(29) = -1 EBADF (Bad file descriptor)
[pid 5464] exit_group(0) = ?
[pid 5464] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./462", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./462", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./462/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./462/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./462/cgroup.cpu") = 0
[pid 5000] umount2("./462/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./462/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./462/binderfs") = 0
[pid 5000] umount2("./462/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./462/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./462/cgroup") = 0
[pid 5000] umount2("./462/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./462/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./462/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./462") = 0
[pid 5000] mkdir("./463", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5465 attached
<unfinished ...>
[pid 5465] chdir("./463") = 0
[pid 5465] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 465
[pid 5465] <... prctl resumed>) = 0
[pid 5465] setpgid(0, 0) = 0
[pid 5465] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5465] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5465] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5465] write(3, "1000", 4) = 4
[pid 5465] close(3) = 0
[pid 5465] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5465] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5465] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5465] openat(3, "freezer.state", O_RDWR) = 4
[pid 5465] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5465] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5465] close(3) = 0
[pid 5465] close(4) = 0
[pid 5465] close(5) = -1 EBADF (Bad file descriptor)
[pid 5465] close(6) = -1 EBADF (Bad file descriptor)
[pid 5465] close(7) = -1 EBADF (Bad file descriptor)
[pid 5465] close(8) = -1 EBADF (Bad file descriptor)
[pid 5465] close(9) = -1 EBADF (Bad file descriptor)
[pid 5465] close(10) = -1 EBADF (Bad file descriptor)
[pid 5465] close(11) = -1 EBADF (Bad file descriptor)
[pid 5465] close(12) = -1 EBADF (Bad file descriptor)
[pid 5465] close(13) = -1 EBADF (Bad file descriptor)
[pid 5465] close(14) = -1 EBADF (Bad file descriptor)
[pid 5465] close(15) = -1 EBADF (Bad file descriptor)
[pid 5465] close(16) = -1 EBADF (Bad file descriptor)
[pid 5465] close(17) = -1 EBADF (Bad file descriptor)
[pid 5465] close(18) = -1 EBADF (Bad file descriptor)
[pid 5465] close(19) = -1 EBADF (Bad file descriptor)
[pid 5465] close(20) = -1 EBADF (Bad file descriptor)
[pid 5465] close(21) = -1 EBADF (Bad file descriptor)
[pid 5465] close(22) = -1 EBADF (Bad file descriptor)
[pid 5465] close(23) = -1 EBADF (Bad file descriptor)
[pid 5465] close(24) = -1 EBADF (Bad file descriptor)
[pid 5465] close(25) = -1 EBADF (Bad file descriptor)
[pid 5465] close(26) = -1 EBADF (Bad file descriptor)
[pid 5465] close(27) = -1 EBADF (Bad file descriptor)
[pid 5465] close(28) = -1 EBADF (Bad file descriptor)
[pid 5465] close(29) = -1 EBADF (Bad file descriptor)
[pid 5465] exit_group(0) = ?
[pid 5465] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./463", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./463", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./463/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./463/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./463/cgroup.cpu") = 0
[pid 5000] umount2("./463/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./463/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./463/binderfs") = 0
[pid 5000] umount2("./463/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./463/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./463/cgroup") = 0
[pid 5000] umount2("./463/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./463/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./463/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./463") = 0
[pid 5000] mkdir("./464", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5466 attached
<unfinished ...>
[pid 5466] chdir("./464") = 0
[pid 5466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5466] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 466
[pid 5466] <... setpgid resumed>) = 0
[pid 5466] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5466] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5466] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5466] write(3, "1000", 4) = 4
[pid 5466] close(3) = 0
[pid 5466] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5466] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5466] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5466] openat(3, "freezer.state", O_RDWR) = 4
[pid 5466] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5466] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5466] close(3) = 0
[pid 5466] close(4) = 0
[pid 5466] close(5) = -1 EBADF (Bad file descriptor)
[pid 5466] close(6) = -1 EBADF (Bad file descriptor)
[pid 5466] close(7) = -1 EBADF (Bad file descriptor)
[pid 5466] close(8) = -1 EBADF (Bad file descriptor)
[pid 5466] close(9) = -1 EBADF (Bad file descriptor)
[pid 5466] close(10) = -1 EBADF (Bad file descriptor)
[pid 5466] close(11) = -1 EBADF (Bad file descriptor)
[pid 5466] close(12) = -1 EBADF (Bad file descriptor)
[pid 5466] close(13) = -1 EBADF (Bad file descriptor)
[pid 5466] close(14) = -1 EBADF (Bad file descriptor)
[pid 5466] close(15) = -1 EBADF (Bad file descriptor)
[pid 5466] close(16) = -1 EBADF (Bad file descriptor)
[pid 5466] close(17) = -1 EBADF (Bad file descriptor)
[pid 5466] close(18) = -1 EBADF (Bad file descriptor)
[pid 5466] close(19) = -1 EBADF (Bad file descriptor)
[pid 5466] close(20) = -1 EBADF (Bad file descriptor)
[pid 5466] close(21) = -1 EBADF (Bad file descriptor)
[pid 5466] close(22) = -1 EBADF (Bad file descriptor)
[pid 5466] close(23) = -1 EBADF (Bad file descriptor)
[pid 5466] close(24) = -1 EBADF (Bad file descriptor)
[pid 5466] close(25) = -1 EBADF (Bad file descriptor)
[pid 5466] close(26) = -1 EBADF (Bad file descriptor)
[pid 5466] close(27) = -1 EBADF (Bad file descriptor)
[pid 5466] close(28) = -1 EBADF (Bad file descriptor)
[pid 5466] close(29) = -1 EBADF (Bad file descriptor)
[pid 5466] exit_group(0) = ?
[pid 5466] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./464", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./464", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./464/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./464/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./464/cgroup.cpu") = 0
[pid 5000] umount2("./464/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./464/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./464/binderfs") = 0
[pid 5000] umount2("./464/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./464/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./464/cgroup") = 0
[pid 5000] umount2("./464/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./464/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./464/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./464") = 0
[pid 5000] mkdir("./465", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5467 attached
<unfinished ...>
[pid 5467] chdir("./465") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 467
[pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5467] setpgid(0, 0) = 0
[pid 5467] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5467] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5467] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5467] write(3, "1000", 4) = 4
[pid 5467] close(3) = 0
[pid 5467] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5467] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5467] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5467] openat(3, "freezer.state", O_RDWR) = 4
[pid 5467] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5467] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5467] close(3) = 0
[pid 5467] close(4) = 0
[pid 5467] close(5) = -1 EBADF (Bad file descriptor)
[pid 5467] close(6) = -1 EBADF (Bad file descriptor)
[pid 5467] close(7) = -1 EBADF (Bad file descriptor)
[pid 5467] close(8) = -1 EBADF (Bad file descriptor)
[pid 5467] close(9) = -1 EBADF (Bad file descriptor)
[pid 5467] close(10) = -1 EBADF (Bad file descriptor)
[pid 5467] close(11) = -1 EBADF (Bad file descriptor)
[pid 5467] close(12) = -1 EBADF (Bad file descriptor)
[pid 5467] close(13) = -1 EBADF (Bad file descriptor)
[pid 5467] close(14) = -1 EBADF (Bad file descriptor)
[pid 5467] close(15) = -1 EBADF (Bad file descriptor)
[pid 5467] close(16) = -1 EBADF (Bad file descriptor)
[pid 5467] close(17) = -1 EBADF (Bad file descriptor)
[pid 5467] close(18) = -1 EBADF (Bad file descriptor)
[pid 5467] close(19) = -1 EBADF (Bad file descriptor)
[pid 5467] close(20) = -1 EBADF (Bad file descriptor)
[pid 5467] close(21) = -1 EBADF (Bad file descriptor)
[pid 5467] close(22) = -1 EBADF (Bad file descriptor)
[pid 5467] close(23) = -1 EBADF (Bad file descriptor)
[pid 5467] close(24) = -1 EBADF (Bad file descriptor)
[pid 5467] close(25) = -1 EBADF (Bad file descriptor)
[pid 5467] close(26) = -1 EBADF (Bad file descriptor)
[pid 5467] close(27) = -1 EBADF (Bad file descriptor)
[pid 5467] close(28) = -1 EBADF (Bad file descriptor)
[pid 5467] close(29) = -1 EBADF (Bad file descriptor)
[pid 5467] exit_group(0) = ?
[pid 5467] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./465", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./465", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./465/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./465/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./465/cgroup.cpu") = 0
[pid 5000] umount2("./465/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./465/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./465/binderfs") = 0
[pid 5000] umount2("./465/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./465/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./465/cgroup") = 0
[pid 5000] umount2("./465/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./465/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./465/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./465") = 0
[pid 5000] mkdir("./466", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5468 attached
<unfinished ...>
[pid 5468] chdir("./466") = 0
[pid 5468] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 468
[pid 5468] <... prctl resumed>) = 0
[pid 5468] setpgid(0, 0) = 0
[pid 5468] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5468] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5468] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5468] write(3, "1000", 4) = 4
[pid 5468] close(3) = 0
[pid 5468] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5468] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5468] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5468] openat(3, "freezer.state", O_RDWR) = 4
[pid 5468] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5468] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5468] close(3) = 0
[pid 5468] close(4) = 0
[pid 5468] close(5) = -1 EBADF (Bad file descriptor)
[pid 5468] close(6) = -1 EBADF (Bad file descriptor)
[pid 5468] close(7) = -1 EBADF (Bad file descriptor)
[pid 5468] close(8) = -1 EBADF (Bad file descriptor)
[pid 5468] close(9) = -1 EBADF (Bad file descriptor)
[pid 5468] close(10) = -1 EBADF (Bad file descriptor)
[pid 5468] close(11) = -1 EBADF (Bad file descriptor)
[pid 5468] close(12) = -1 EBADF (Bad file descriptor)
[pid 5468] close(13) = -1 EBADF (Bad file descriptor)
[pid 5468] close(14) = -1 EBADF (Bad file descriptor)
[pid 5468] close(15) = -1 EBADF (Bad file descriptor)
[pid 5468] close(16) = -1 EBADF (Bad file descriptor)
[pid 5468] close(17) = -1 EBADF (Bad file descriptor)
[pid 5468] close(18) = -1 EBADF (Bad file descriptor)
[pid 5468] close(19) = -1 EBADF (Bad file descriptor)
[pid 5468] close(20) = -1 EBADF (Bad file descriptor)
[pid 5468] close(21) = -1 EBADF (Bad file descriptor)
[pid 5468] close(22) = -1 EBADF (Bad file descriptor)
[pid 5468] close(23) = -1 EBADF (Bad file descriptor)
[pid 5468] close(24) = -1 EBADF (Bad file descriptor)
[pid 5468] close(25) = -1 EBADF (Bad file descriptor)
[pid 5468] close(26) = -1 EBADF (Bad file descriptor)
[pid 5468] close(27) = -1 EBADF (Bad file descriptor)
[pid 5468] close(28) = -1 EBADF (Bad file descriptor)
[pid 5468] close(29) = -1 EBADF (Bad file descriptor)
[pid 5468] exit_group(0) = ?
[pid 5468] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./466", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./466", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./466/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./466/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./466/cgroup.cpu") = 0
[pid 5000] umount2("./466/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./466/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./466/binderfs") = 0
[pid 5000] umount2("./466/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./466/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./466/cgroup") = 0
[pid 5000] umount2("./466/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./466/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./466/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./466") = 0
[pid 5000] mkdir("./467", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5469 attached
<unfinished ...>
[pid 5469] chdir("./467") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 469
[pid 5469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5469] setpgid(0, 0) = 0
[pid 5469] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5469] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5469] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5469] write(3, "1000", 4) = 4
[pid 5469] close(3) = 0
[pid 5469] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5469] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5469] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5469] openat(3, "freezer.state", O_RDWR) = 4
[pid 5469] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5469] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5469] close(3) = 0
[pid 5469] close(4) = 0
[pid 5469] close(5) = -1 EBADF (Bad file descriptor)
[pid 5469] close(6) = -1 EBADF (Bad file descriptor)
[pid 5469] close(7) = -1 EBADF (Bad file descriptor)
[pid 5469] close(8) = -1 EBADF (Bad file descriptor)
[pid 5469] close(9) = -1 EBADF (Bad file descriptor)
[pid 5469] close(10) = -1 EBADF (Bad file descriptor)
[pid 5469] close(11) = -1 EBADF (Bad file descriptor)
[pid 5469] close(12) = -1 EBADF (Bad file descriptor)
[pid 5469] close(13) = -1 EBADF (Bad file descriptor)
[pid 5469] close(14) = -1 EBADF (Bad file descriptor)
[pid 5469] close(15) = -1 EBADF (Bad file descriptor)
[pid 5469] close(16) = -1 EBADF (Bad file descriptor)
[pid 5469] close(17) = -1 EBADF (Bad file descriptor)
[pid 5469] close(18) = -1 EBADF (Bad file descriptor)
[pid 5469] close(19) = -1 EBADF (Bad file descriptor)
[pid 5469] close(20) = -1 EBADF (Bad file descriptor)
[pid 5469] close(21) = -1 EBADF (Bad file descriptor)
[pid 5469] close(22) = -1 EBADF (Bad file descriptor)
[pid 5469] close(23) = -1 EBADF (Bad file descriptor)
[pid 5469] close(24) = -1 EBADF (Bad file descriptor)
[pid 5469] close(25) = -1 EBADF (Bad file descriptor)
[pid 5469] close(26) = -1 EBADF (Bad file descriptor)
[pid 5469] close(27) = -1 EBADF (Bad file descriptor)
[pid 5469] close(28) = -1 EBADF (Bad file descriptor)
[pid 5469] close(29) = -1 EBADF (Bad file descriptor)
[pid 5469] exit_group(0) = ?
[pid 5469] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./467", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./467", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./467/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./467/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./467/cgroup.cpu") = 0
[pid 5000] umount2("./467/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./467/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./467/binderfs") = 0
[pid 5000] umount2("./467/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./467/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./467/cgroup") = 0
[pid 5000] umount2("./467/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./467/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./467/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./467") = 0
[pid 5000] mkdir("./468", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5470 attached
<unfinished ...>
[pid 5470] chdir("./468") = 0
[pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5470] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 470
[pid 5470] <... setpgid resumed>) = 0
[pid 5470] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5470] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5470] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5470] write(3, "1000", 4) = 4
[pid 5470] close(3) = 0
[pid 5470] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5470] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5470] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5470] openat(3, "freezer.state", O_RDWR) = 4
[pid 5470] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5470] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5470] close(3) = 0
[pid 5470] close(4) = 0
[pid 5470] close(5) = -1 EBADF (Bad file descriptor)
[pid 5470] close(6) = -1 EBADF (Bad file descriptor)
[pid 5470] close(7) = -1 EBADF (Bad file descriptor)
[pid 5470] close(8) = -1 EBADF (Bad file descriptor)
[pid 5470] close(9) = -1 EBADF (Bad file descriptor)
[pid 5470] close(10) = -1 EBADF (Bad file descriptor)
[pid 5470] close(11) = -1 EBADF (Bad file descriptor)
[pid 5470] close(12) = -1 EBADF (Bad file descriptor)
[pid 5470] close(13) = -1 EBADF (Bad file descriptor)
[pid 5470] close(14) = -1 EBADF (Bad file descriptor)
[pid 5470] close(15) = -1 EBADF (Bad file descriptor)
[pid 5470] close(16) = -1 EBADF (Bad file descriptor)
[pid 5470] close(17) = -1 EBADF (Bad file descriptor)
[pid 5470] close(18) = -1 EBADF (Bad file descriptor)
[pid 5470] close(19) = -1 EBADF (Bad file descriptor)
[pid 5470] close(20) = -1 EBADF (Bad file descriptor)
[pid 5470] close(21) = -1 EBADF (Bad file descriptor)
[pid 5470] close(22) = -1 EBADF (Bad file descriptor)
[pid 5470] close(23) = -1 EBADF (Bad file descriptor)
[pid 5470] close(24) = -1 EBADF (Bad file descriptor)
[pid 5470] close(25) = -1 EBADF (Bad file descriptor)
[pid 5470] close(26) = -1 EBADF (Bad file descriptor)
[pid 5470] close(27) = -1 EBADF (Bad file descriptor)
[pid 5470] close(28) = -1 EBADF (Bad file descriptor)
[pid 5470] close(29) = -1 EBADF (Bad file descriptor)
[pid 5470] exit_group(0) = ?
[pid 5470] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./468", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./468", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./468/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./468/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./468/cgroup.cpu") = 0
[pid 5000] umount2("./468/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./468/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./468/binderfs") = 0
[pid 5000] umount2("./468/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./468/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./468/cgroup") = 0
[pid 5000] umount2("./468/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./468/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./468/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./468") = 0
[pid 5000] mkdir("./469", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5471 attached
<unfinished ...>
[pid 5471] chdir("./469") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 471
[pid 5471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5471] setpgid(0, 0) = 0
[pid 5471] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5471] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5471] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5471] write(3, "1000", 4) = 4
[pid 5471] close(3) = 0
[pid 5471] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5471] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5471] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5471] openat(3, "freezer.state", O_RDWR) = 4
[pid 5471] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5471] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5471] close(3) = 0
[pid 5471] close(4) = 0
[pid 5471] close(5) = -1 EBADF (Bad file descriptor)
[pid 5471] close(6) = -1 EBADF (Bad file descriptor)
[pid 5471] close(7) = -1 EBADF (Bad file descriptor)
[pid 5471] close(8) = -1 EBADF (Bad file descriptor)
[pid 5471] close(9) = -1 EBADF (Bad file descriptor)
[pid 5471] close(10) = -1 EBADF (Bad file descriptor)
[pid 5471] close(11) = -1 EBADF (Bad file descriptor)
[pid 5471] close(12) = -1 EBADF (Bad file descriptor)
[pid 5471] close(13) = -1 EBADF (Bad file descriptor)
[pid 5471] close(14) = -1 EBADF (Bad file descriptor)
[pid 5471] close(15) = -1 EBADF (Bad file descriptor)
[pid 5471] close(16) = -1 EBADF (Bad file descriptor)
[pid 5471] close(17) = -1 EBADF (Bad file descriptor)
[pid 5471] close(18) = -1 EBADF (Bad file descriptor)
[pid 5471] close(19) = -1 EBADF (Bad file descriptor)
[pid 5471] close(20) = -1 EBADF (Bad file descriptor)
[pid 5471] close(21) = -1 EBADF (Bad file descriptor)
[pid 5471] close(22) = -1 EBADF (Bad file descriptor)
[pid 5471] close(23) = -1 EBADF (Bad file descriptor)
[pid 5471] close(24) = -1 EBADF (Bad file descriptor)
[pid 5471] close(25) = -1 EBADF (Bad file descriptor)
[pid 5471] close(26) = -1 EBADF (Bad file descriptor)
[pid 5471] close(27) = -1 EBADF (Bad file descriptor)
[pid 5471] close(28) = -1 EBADF (Bad file descriptor)
[pid 5471] close(29) = -1 EBADF (Bad file descriptor)
[pid 5471] exit_group(0) = ?
[pid 5471] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=471, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./469", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./469", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./469/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./469/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./469/cgroup.cpu") = 0
[pid 5000] umount2("./469/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./469/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./469/binderfs") = 0
[pid 5000] umount2("./469/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./469/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./469/cgroup") = 0
[pid 5000] umount2("./469/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./469/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./469/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./469") = 0
[pid 5000] mkdir("./470", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5472 attached
<unfinished ...>
[pid 5472] chdir("./470") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 472
[pid 5472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5472] setpgid(0, 0) = 0
[pid 5472] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5472] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5472] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5472] write(3, "1000", 4) = 4
[pid 5472] close(3) = 0
[pid 5472] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5472] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5472] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5472] openat(3, "freezer.state", O_RDWR) = 4
[pid 5472] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5472] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5472] close(3) = 0
[pid 5472] close(4) = 0
[pid 5472] close(5) = -1 EBADF (Bad file descriptor)
[pid 5472] close(6) = -1 EBADF (Bad file descriptor)
[pid 5472] close(7) = -1 EBADF (Bad file descriptor)
[pid 5472] close(8) = -1 EBADF (Bad file descriptor)
[pid 5472] close(9) = -1 EBADF (Bad file descriptor)
[pid 5472] close(10) = -1 EBADF (Bad file descriptor)
[pid 5472] close(11) = -1 EBADF (Bad file descriptor)
[pid 5472] close(12) = -1 EBADF (Bad file descriptor)
[pid 5472] close(13) = -1 EBADF (Bad file descriptor)
[pid 5472] close(14) = -1 EBADF (Bad file descriptor)
[pid 5472] close(15) = -1 EBADF (Bad file descriptor)
[pid 5472] close(16) = -1 EBADF (Bad file descriptor)
[pid 5472] close(17) = -1 EBADF (Bad file descriptor)
[pid 5472] close(18) = -1 EBADF (Bad file descriptor)
[pid 5472] close(19) = -1 EBADF (Bad file descriptor)
[pid 5472] close(20) = -1 EBADF (Bad file descriptor)
[pid 5472] close(21) = -1 EBADF (Bad file descriptor)
[pid 5472] close(22) = -1 EBADF (Bad file descriptor)
[pid 5472] close(23) = -1 EBADF (Bad file descriptor)
[pid 5472] close(24) = -1 EBADF (Bad file descriptor)
[pid 5472] close(25) = -1 EBADF (Bad file descriptor)
[pid 5472] close(26) = -1 EBADF (Bad file descriptor)
[pid 5472] close(27) = -1 EBADF (Bad file descriptor)
[pid 5472] close(28) = -1 EBADF (Bad file descriptor)
[pid 5472] close(29) = -1 EBADF (Bad file descriptor)
[pid 5472] exit_group(0) = ?
[pid 5472] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./470", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./470", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./470/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./470/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./470/cgroup.cpu") = 0
[pid 5000] umount2("./470/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./470/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./470/binderfs") = 0
[pid 5000] umount2("./470/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./470/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./470/cgroup") = 0
[pid 5000] umount2("./470/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./470/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./470/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./470") = 0
[pid 5000] mkdir("./471", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5473 attached
<unfinished ...>
[pid 5473] chdir("./471") = 0
[pid 5473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5473] setpgid(0, 0) = 0
[pid 5473] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 473
[pid 5473] <... symlink resumed>) = 0
[pid 5473] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5473] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5473] write(3, "1000", 4) = 4
[pid 5473] close(3) = 0
[pid 5473] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5473] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5473] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5473] openat(3, "freezer.state", O_RDWR) = 4
[pid 5473] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5473] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5473] close(3) = 0
[pid 5473] close(4) = 0
[pid 5473] close(5) = -1 EBADF (Bad file descriptor)
[pid 5473] close(6) = -1 EBADF (Bad file descriptor)
[pid 5473] close(7) = -1 EBADF (Bad file descriptor)
[pid 5473] close(8) = -1 EBADF (Bad file descriptor)
[pid 5473] close(9) = -1 EBADF (Bad file descriptor)
[pid 5473] close(10) = -1 EBADF (Bad file descriptor)
[pid 5473] close(11) = -1 EBADF (Bad file descriptor)
[pid 5473] close(12) = -1 EBADF (Bad file descriptor)
[pid 5473] close(13) = -1 EBADF (Bad file descriptor)
[pid 5473] close(14) = -1 EBADF (Bad file descriptor)
[pid 5473] close(15) = -1 EBADF (Bad file descriptor)
[pid 5473] close(16) = -1 EBADF (Bad file descriptor)
[pid 5473] close(17) = -1 EBADF (Bad file descriptor)
[pid 5473] close(18) = -1 EBADF (Bad file descriptor)
[pid 5473] close(19) = -1 EBADF (Bad file descriptor)
[pid 5473] close(20) = -1 EBADF (Bad file descriptor)
[pid 5473] close(21) = -1 EBADF (Bad file descriptor)
[pid 5473] close(22) = -1 EBADF (Bad file descriptor)
[pid 5473] close(23) = -1 EBADF (Bad file descriptor)
[pid 5473] close(24) = -1 EBADF (Bad file descriptor)
[pid 5473] close(25) = -1 EBADF (Bad file descriptor)
[pid 5473] close(26) = -1 EBADF (Bad file descriptor)
[pid 5473] close(27) = -1 EBADF (Bad file descriptor)
[pid 5473] close(28) = -1 EBADF (Bad file descriptor)
[pid 5473] close(29) = -1 EBADF (Bad file descriptor)
[pid 5473] exit_group(0) = ?
[pid 5473] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./471", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./471", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./471/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./471/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./471/cgroup.cpu") = 0
[pid 5000] umount2("./471/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./471/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./471/binderfs") = 0
[pid 5000] umount2("./471/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./471/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./471/cgroup") = 0
[pid 5000] umount2("./471/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./471/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./471/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./471") = 0
[pid 5000] mkdir("./472", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5474 attached
<unfinished ...>
[pid 5474] chdir("./472") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 474
[pid 5474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5474] setpgid(0, 0) = 0
[pid 5474] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5474] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5474] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5474] write(3, "1000", 4) = 4
[pid 5474] close(3) = 0
[pid 5474] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5474] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5474] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5474] openat(3, "freezer.state", O_RDWR) = 4
[pid 5474] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5474] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5474] close(3) = 0
[pid 5474] close(4) = 0
[pid 5474] close(5) = -1 EBADF (Bad file descriptor)
[pid 5474] close(6) = -1 EBADF (Bad file descriptor)
[pid 5474] close(7) = -1 EBADF (Bad file descriptor)
[pid 5474] close(8) = -1 EBADF (Bad file descriptor)
[pid 5474] close(9) = -1 EBADF (Bad file descriptor)
[pid 5474] close(10) = -1 EBADF (Bad file descriptor)
[pid 5474] close(11) = -1 EBADF (Bad file descriptor)
[pid 5474] close(12) = -1 EBADF (Bad file descriptor)
[pid 5474] close(13) = -1 EBADF (Bad file descriptor)
[pid 5474] close(14) = -1 EBADF (Bad file descriptor)
[pid 5474] close(15) = -1 EBADF (Bad file descriptor)
[pid 5474] close(16) = -1 EBADF (Bad file descriptor)
[pid 5474] close(17) = -1 EBADF (Bad file descriptor)
[pid 5474] close(18) = -1 EBADF (Bad file descriptor)
[pid 5474] close(19) = -1 EBADF (Bad file descriptor)
[pid 5474] close(20) = -1 EBADF (Bad file descriptor)
[pid 5474] close(21) = -1 EBADF (Bad file descriptor)
[pid 5474] close(22) = -1 EBADF (Bad file descriptor)
[pid 5474] close(23) = -1 EBADF (Bad file descriptor)
[pid 5474] close(24) = -1 EBADF (Bad file descriptor)
[pid 5474] close(25) = -1 EBADF (Bad file descriptor)
[pid 5474] close(26) = -1 EBADF (Bad file descriptor)
[pid 5474] close(27) = -1 EBADF (Bad file descriptor)
[pid 5474] close(28) = -1 EBADF (Bad file descriptor)
[pid 5474] close(29) = -1 EBADF (Bad file descriptor)
[pid 5474] exit_group(0) = ?
[pid 5474] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./472", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./472", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./472/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./472/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./472/cgroup.cpu") = 0
[pid 5000] umount2("./472/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./472/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./472/binderfs") = 0
[pid 5000] umount2("./472/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./472/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./472/cgroup") = 0
[pid 5000] umount2("./472/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./472/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./472/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./472") = 0
[pid 5000] mkdir("./473", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5475 attached
<unfinished ...>
[pid 5475] chdir("./473") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 475
[pid 5475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5475] setpgid(0, 0) = 0
[pid 5475] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5475] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5475] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5475] write(3, "1000", 4) = 4
[pid 5475] close(3) = 0
[pid 5475] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5475] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5475] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5475] openat(3, "freezer.state", O_RDWR) = 4
[pid 5475] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5475] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5475] close(3) = 0
[pid 5475] close(4) = 0
[pid 5475] close(5) = -1 EBADF (Bad file descriptor)
[pid 5475] close(6) = -1 EBADF (Bad file descriptor)
[pid 5475] close(7) = -1 EBADF (Bad file descriptor)
[pid 5475] close(8) = -1 EBADF (Bad file descriptor)
[pid 5475] close(9) = -1 EBADF (Bad file descriptor)
[pid 5475] close(10) = -1 EBADF (Bad file descriptor)
[pid 5475] close(11) = -1 EBADF (Bad file descriptor)
[pid 5475] close(12) = -1 EBADF (Bad file descriptor)
[pid 5475] close(13) = -1 EBADF (Bad file descriptor)
[pid 5475] close(14) = -1 EBADF (Bad file descriptor)
[pid 5475] close(15) = -1 EBADF (Bad file descriptor)
[pid 5475] close(16) = -1 EBADF (Bad file descriptor)
[pid 5475] close(17) = -1 EBADF (Bad file descriptor)
[pid 5475] close(18) = -1 EBADF (Bad file descriptor)
[pid 5475] close(19) = -1 EBADF (Bad file descriptor)
[pid 5475] close(20) = -1 EBADF (Bad file descriptor)
[pid 5475] close(21) = -1 EBADF (Bad file descriptor)
[pid 5475] close(22) = -1 EBADF (Bad file descriptor)
[pid 5475] close(23) = -1 EBADF (Bad file descriptor)
[pid 5475] close(24) = -1 EBADF (Bad file descriptor)
[pid 5475] close(25) = -1 EBADF (Bad file descriptor)
[pid 5475] close(26) = -1 EBADF (Bad file descriptor)
[pid 5475] close(27) = -1 EBADF (Bad file descriptor)
[pid 5475] close(28) = -1 EBADF (Bad file descriptor)
[pid 5475] close(29) = -1 EBADF (Bad file descriptor)
[pid 5475] exit_group(0) = ?
[pid 5475] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./473", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./473", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./473/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./473/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./473/cgroup.cpu") = 0
[pid 5000] umount2("./473/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./473/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./473/binderfs") = 0
[pid 5000] umount2("./473/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./473/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./473/cgroup") = 0
[pid 5000] umount2("./473/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./473/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./473/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./473") = 0
[pid 5000] mkdir("./474", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5476 attached
<unfinished ...>
[pid 5476] chdir("./474") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 476
[pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5476] setpgid(0, 0) = 0
[pid 5476] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5476] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5476] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5476] write(3, "1000", 4) = 4
[pid 5476] close(3) = 0
[pid 5476] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5476] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5476] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5476] openat(3, "freezer.state", O_RDWR) = 4
[pid 5476] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5476] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5476] close(3) = 0
[pid 5476] close(4) = 0
[pid 5476] close(5) = -1 EBADF (Bad file descriptor)
[pid 5476] close(6) = -1 EBADF (Bad file descriptor)
[pid 5476] close(7) = -1 EBADF (Bad file descriptor)
[pid 5476] close(8) = -1 EBADF (Bad file descriptor)
[pid 5476] close(9) = -1 EBADF (Bad file descriptor)
[pid 5476] close(10) = -1 EBADF (Bad file descriptor)
[pid 5476] close(11) = -1 EBADF (Bad file descriptor)
[pid 5476] close(12) = -1 EBADF (Bad file descriptor)
[pid 5476] close(13) = -1 EBADF (Bad file descriptor)
[pid 5476] close(14) = -1 EBADF (Bad file descriptor)
[pid 5476] close(15) = -1 EBADF (Bad file descriptor)
[pid 5476] close(16) = -1 EBADF (Bad file descriptor)
[pid 5476] close(17) = -1 EBADF (Bad file descriptor)
[pid 5476] close(18) = -1 EBADF (Bad file descriptor)
[pid 5476] close(19) = -1 EBADF (Bad file descriptor)
[pid 5476] close(20) = -1 EBADF (Bad file descriptor)
[pid 5476] close(21) = -1 EBADF (Bad file descriptor)
[pid 5476] close(22) = -1 EBADF (Bad file descriptor)
[pid 5476] close(23) = -1 EBADF (Bad file descriptor)
[pid 5476] close(24) = -1 EBADF (Bad file descriptor)
[pid 5476] close(25) = -1 EBADF (Bad file descriptor)
[pid 5476] close(26) = -1 EBADF (Bad file descriptor)
[pid 5476] close(27) = -1 EBADF (Bad file descriptor)
[pid 5476] close(28) = -1 EBADF (Bad file descriptor)
[pid 5476] close(29) = -1 EBADF (Bad file descriptor)
[pid 5476] exit_group(0) = ?
[pid 5476] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./474", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./474", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./474/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./474/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./474/cgroup.cpu") = 0
[pid 5000] umount2("./474/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./474/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./474/binderfs") = 0
[pid 5000] umount2("./474/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./474/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./474/cgroup") = 0
[pid 5000] umount2("./474/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./474/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./474/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./474") = 0
[pid 5000] mkdir("./475", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5477 attached
<unfinished ...>
[pid 5477] chdir("./475") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 477
[pid 5477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5477] setpgid(0, 0) = 0
[pid 5477] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5477] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5477] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5477] write(3, "1000", 4) = 4
[pid 5477] close(3) = 0
[pid 5477] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5477] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5477] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5477] openat(3, "freezer.state", O_RDWR) = 4
[pid 5477] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5477] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5477] close(3) = 0
[pid 5477] close(4) = 0
[pid 5477] close(5) = -1 EBADF (Bad file descriptor)
[pid 5477] close(6) = -1 EBADF (Bad file descriptor)
[pid 5477] close(7) = -1 EBADF (Bad file descriptor)
[pid 5477] close(8) = -1 EBADF (Bad file descriptor)
[pid 5477] close(9) = -1 EBADF (Bad file descriptor)
[pid 5477] close(10) = -1 EBADF (Bad file descriptor)
[pid 5477] close(11) = -1 EBADF (Bad file descriptor)
[pid 5477] close(12) = -1 EBADF (Bad file descriptor)
[pid 5477] close(13) = -1 EBADF (Bad file descriptor)
[pid 5477] close(14) = -1 EBADF (Bad file descriptor)
[pid 5477] close(15) = -1 EBADF (Bad file descriptor)
[pid 5477] close(16) = -1 EBADF (Bad file descriptor)
[pid 5477] close(17) = -1 EBADF (Bad file descriptor)
[pid 5477] close(18) = -1 EBADF (Bad file descriptor)
[pid 5477] close(19) = -1 EBADF (Bad file descriptor)
[pid 5477] close(20) = -1 EBADF (Bad file descriptor)
[pid 5477] close(21) = -1 EBADF (Bad file descriptor)
[pid 5477] close(22) = -1 EBADF (Bad file descriptor)
[pid 5477] close(23) = -1 EBADF (Bad file descriptor)
[pid 5477] close(24) = -1 EBADF (Bad file descriptor)
[pid 5477] close(25) = -1 EBADF (Bad file descriptor)
[pid 5477] close(26) = -1 EBADF (Bad file descriptor)
[pid 5477] close(27) = -1 EBADF (Bad file descriptor)
[pid 5477] close(28) = -1 EBADF (Bad file descriptor)
[pid 5477] close(29) = -1 EBADF (Bad file descriptor)
[pid 5477] exit_group(0) = ?
[pid 5477] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./475", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./475", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./475/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./475/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./475/cgroup.cpu") = 0
[pid 5000] umount2("./475/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./475/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./475/binderfs") = 0
[pid 5000] umount2("./475/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./475/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./475/cgroup") = 0
[pid 5000] umount2("./475/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./475/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./475/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./475") = 0
[pid 5000] mkdir("./476", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5478 attached
<unfinished ...>
[pid 5478] chdir("./476") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 478
[pid 5478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5478] setpgid(0, 0) = 0
[pid 5478] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5478] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5478] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5478] write(3, "1000", 4) = 4
[pid 5478] close(3) = 0
[pid 5478] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5478] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5478] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5478] openat(3, "freezer.state", O_RDWR) = 4
[pid 5478] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5478] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5478] close(3) = 0
[pid 5478] close(4) = 0
[pid 5478] close(5) = -1 EBADF (Bad file descriptor)
[pid 5478] close(6) = -1 EBADF (Bad file descriptor)
[pid 5478] close(7) = -1 EBADF (Bad file descriptor)
[pid 5478] close(8) = -1 EBADF (Bad file descriptor)
[pid 5478] close(9) = -1 EBADF (Bad file descriptor)
[pid 5478] close(10) = -1 EBADF (Bad file descriptor)
[pid 5478] close(11) = -1 EBADF (Bad file descriptor)
[pid 5478] close(12) = -1 EBADF (Bad file descriptor)
[pid 5478] close(13) = -1 EBADF (Bad file descriptor)
[pid 5478] close(14) = -1 EBADF (Bad file descriptor)
[pid 5478] close(15) = -1 EBADF (Bad file descriptor)
[pid 5478] close(16) = -1 EBADF (Bad file descriptor)
[pid 5478] close(17) = -1 EBADF (Bad file descriptor)
[pid 5478] close(18) = -1 EBADF (Bad file descriptor)
[pid 5478] close(19) = -1 EBADF (Bad file descriptor)
[pid 5478] close(20) = -1 EBADF (Bad file descriptor)
[pid 5478] close(21) = -1 EBADF (Bad file descriptor)
[pid 5478] close(22) = -1 EBADF (Bad file descriptor)
[pid 5478] close(23) = -1 EBADF (Bad file descriptor)
[pid 5478] close(24) = -1 EBADF (Bad file descriptor)
[pid 5478] close(25) = -1 EBADF (Bad file descriptor)
[pid 5478] close(26) = -1 EBADF (Bad file descriptor)
[pid 5478] close(27) = -1 EBADF (Bad file descriptor)
[pid 5478] close(28) = -1 EBADF (Bad file descriptor)
[pid 5478] close(29) = -1 EBADF (Bad file descriptor)
[pid 5478] exit_group(0) = ?
[pid 5478] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./476", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./476", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./476/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./476/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./476/cgroup.cpu") = 0
[pid 5000] umount2("./476/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./476/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./476/binderfs") = 0
[pid 5000] umount2("./476/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./476/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./476/cgroup") = 0
[pid 5000] umount2("./476/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./476/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./476/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./476") = 0
[pid 5000] mkdir("./477", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5479 attached
, child_tidptr=0x55555723f5d0) = 479
[pid 5479] chdir("./477") = 0
[pid 5479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5479] setpgid(0, 0) = 0
[pid 5479] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5479] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5479] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5479] write(3, "1000", 4) = 4
[pid 5479] close(3) = 0
[pid 5479] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5479] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5479] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5479] openat(3, "freezer.state", O_RDWR) = 4
[pid 5479] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5479] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5479] close(3) = 0
[pid 5479] close(4) = 0
[pid 5479] close(5) = -1 EBADF (Bad file descriptor)
[pid 5479] close(6) = -1 EBADF (Bad file descriptor)
[pid 5479] close(7) = -1 EBADF (Bad file descriptor)
[pid 5479] close(8) = -1 EBADF (Bad file descriptor)
[pid 5479] close(9) = -1 EBADF (Bad file descriptor)
[pid 5479] close(10) = -1 EBADF (Bad file descriptor)
[pid 5479] close(11) = -1 EBADF (Bad file descriptor)
[pid 5479] close(12) = -1 EBADF (Bad file descriptor)
[pid 5479] close(13) = -1 EBADF (Bad file descriptor)
[pid 5479] close(14) = -1 EBADF (Bad file descriptor)
[pid 5479] close(15) = -1 EBADF (Bad file descriptor)
[pid 5479] close(16) = -1 EBADF (Bad file descriptor)
[pid 5479] close(17) = -1 EBADF (Bad file descriptor)
[pid 5479] close(18) = -1 EBADF (Bad file descriptor)
[pid 5479] close(19) = -1 EBADF (Bad file descriptor)
[pid 5479] close(20) = -1 EBADF (Bad file descriptor)
[pid 5479] close(21) = -1 EBADF (Bad file descriptor)
[pid 5479] close(22) = -1 EBADF (Bad file descriptor)
[pid 5479] close(23) = -1 EBADF (Bad file descriptor)
[pid 5479] close(24) = -1 EBADF (Bad file descriptor)
[pid 5479] close(25) = -1 EBADF (Bad file descriptor)
[pid 5479] close(26) = -1 EBADF (Bad file descriptor)
[pid 5479] close(27) = -1 EBADF (Bad file descriptor)
[pid 5479] close(28) = -1 EBADF (Bad file descriptor)
[pid 5479] close(29) = -1 EBADF (Bad file descriptor)
[pid 5479] exit_group(0) = ?
[pid 5479] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./477", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./477", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./477/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./477/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./477/cgroup.cpu") = 0
[pid 5000] umount2("./477/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./477/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./477/binderfs") = 0
[pid 5000] umount2("./477/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./477/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./477/cgroup") = 0
[pid 5000] umount2("./477/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./477/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./477/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./477") = 0
[pid 5000] mkdir("./478", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5480 attached
<unfinished ...>
[pid 5480] chdir("./478") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 480
[pid 5480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5480] setpgid(0, 0) = 0
[pid 5480] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5480] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5480] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5480] write(3, "1000", 4) = 4
[pid 5480] close(3) = 0
[pid 5480] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5480] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5480] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5480] openat(3, "freezer.state", O_RDWR) = 4
[pid 5480] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5480] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5480] close(3) = 0
[pid 5480] close(4) = 0
[pid 5480] close(5) = -1 EBADF (Bad file descriptor)
[pid 5480] close(6) = -1 EBADF (Bad file descriptor)
[pid 5480] close(7) = -1 EBADF (Bad file descriptor)
[pid 5480] close(8) = -1 EBADF (Bad file descriptor)
[pid 5480] close(9) = -1 EBADF (Bad file descriptor)
[pid 5480] close(10) = -1 EBADF (Bad file descriptor)
[pid 5480] close(11) = -1 EBADF (Bad file descriptor)
[pid 5480] close(12) = -1 EBADF (Bad file descriptor)
[pid 5480] close(13) = -1 EBADF (Bad file descriptor)
[pid 5480] close(14) = -1 EBADF (Bad file descriptor)
[pid 5480] close(15) = -1 EBADF (Bad file descriptor)
[pid 5480] close(16) = -1 EBADF (Bad file descriptor)
[pid 5480] close(17) = -1 EBADF (Bad file descriptor)
[pid 5480] close(18) = -1 EBADF (Bad file descriptor)
[pid 5480] close(19) = -1 EBADF (Bad file descriptor)
[pid 5480] close(20) = -1 EBADF (Bad file descriptor)
[pid 5480] close(21) = -1 EBADF (Bad file descriptor)
[pid 5480] close(22) = -1 EBADF (Bad file descriptor)
[pid 5480] close(23) = -1 EBADF (Bad file descriptor)
[pid 5480] close(24) = -1 EBADF (Bad file descriptor)
[pid 5480] close(25) = -1 EBADF (Bad file descriptor)
[pid 5480] close(26) = -1 EBADF (Bad file descriptor)
[pid 5480] close(27) = -1 EBADF (Bad file descriptor)
[pid 5480] close(28) = -1 EBADF (Bad file descriptor)
[pid 5480] close(29) = -1 EBADF (Bad file descriptor)
[pid 5480] exit_group(0) = ?
[pid 5480] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./478", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./478", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./478/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./478/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./478/cgroup.cpu") = 0
[pid 5000] umount2("./478/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./478/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./478/binderfs") = 0
[pid 5000] umount2("./478/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./478/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./478/cgroup") = 0
[pid 5000] umount2("./478/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./478/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./478/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./478") = 0
[pid 5000] mkdir("./479", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5481 attached
<unfinished ...>
[pid 5481] chdir("./479") = 0
[pid 5481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5481] setpgid(0, 0) = 0
[pid 5481] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 481
[pid 5481] <... symlink resumed>) = 0
[pid 5481] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5481] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5481] write(3, "1000", 4) = 4
[pid 5481] close(3) = 0
[pid 5481] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5481] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5481] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5481] openat(3, "freezer.state", O_RDWR) = 4
[pid 5481] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5481] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5481] close(3) = 0
[pid 5481] close(4) = 0
[pid 5481] close(5) = -1 EBADF (Bad file descriptor)
[pid 5481] close(6) = -1 EBADF (Bad file descriptor)
[pid 5481] close(7) = -1 EBADF (Bad file descriptor)
[pid 5481] close(8) = -1 EBADF (Bad file descriptor)
[pid 5481] close(9) = -1 EBADF (Bad file descriptor)
[pid 5481] close(10) = -1 EBADF (Bad file descriptor)
[pid 5481] close(11) = -1 EBADF (Bad file descriptor)
[pid 5481] close(12) = -1 EBADF (Bad file descriptor)
[pid 5481] close(13) = -1 EBADF (Bad file descriptor)
[pid 5481] close(14) = -1 EBADF (Bad file descriptor)
[pid 5481] close(15) = -1 EBADF (Bad file descriptor)
[pid 5481] close(16) = -1 EBADF (Bad file descriptor)
[pid 5481] close(17) = -1 EBADF (Bad file descriptor)
[pid 5481] close(18) = -1 EBADF (Bad file descriptor)
[pid 5481] close(19) = -1 EBADF (Bad file descriptor)
[pid 5481] close(20) = -1 EBADF (Bad file descriptor)
[pid 5481] close(21) = -1 EBADF (Bad file descriptor)
[pid 5481] close(22) = -1 EBADF (Bad file descriptor)
[pid 5481] close(23) = -1 EBADF (Bad file descriptor)
[pid 5481] close(24) = -1 EBADF (Bad file descriptor)
[pid 5481] close(25) = -1 EBADF (Bad file descriptor)
[pid 5481] close(26) = -1 EBADF (Bad file descriptor)
[pid 5481] close(27) = -1 EBADF (Bad file descriptor)
[pid 5481] close(28) = -1 EBADF (Bad file descriptor)
[pid 5481] close(29) = -1 EBADF (Bad file descriptor)
[pid 5481] exit_group(0) = ?
[pid 5481] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./479", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./479", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./479/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./479/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./479/cgroup.cpu") = 0
[pid 5000] umount2("./479/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./479/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./479/binderfs") = 0
[pid 5000] umount2("./479/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./479/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./479/cgroup") = 0
[pid 5000] umount2("./479/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./479/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./479/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./479") = 0
[pid 5000] mkdir("./480", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5482 attached
<unfinished ...>
[pid 5482] chdir("./480") = 0
[pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 482
[pid 5482] <... prctl resumed>) = 0
[pid 5482] setpgid(0, 0) = 0
[pid 5482] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5482] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5482] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5482] write(3, "1000", 4) = 4
[pid 5482] close(3) = 0
[pid 5482] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5482] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5482] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5482] openat(3, "freezer.state", O_RDWR) = 4
[pid 5482] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5482] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5482] close(3) = 0
[pid 5482] close(4) = 0
[pid 5482] close(5) = -1 EBADF (Bad file descriptor)
[pid 5482] close(6) = -1 EBADF (Bad file descriptor)
[pid 5482] close(7) = -1 EBADF (Bad file descriptor)
[pid 5482] close(8) = -1 EBADF (Bad file descriptor)
[pid 5482] close(9) = -1 EBADF (Bad file descriptor)
[pid 5482] close(10) = -1 EBADF (Bad file descriptor)
[pid 5482] close(11) = -1 EBADF (Bad file descriptor)
[pid 5482] close(12) = -1 EBADF (Bad file descriptor)
[pid 5482] close(13) = -1 EBADF (Bad file descriptor)
[pid 5482] close(14) = -1 EBADF (Bad file descriptor)
[pid 5482] close(15) = -1 EBADF (Bad file descriptor)
[pid 5482] close(16) = -1 EBADF (Bad file descriptor)
[pid 5482] close(17) = -1 EBADF (Bad file descriptor)
[pid 5482] close(18) = -1 EBADF (Bad file descriptor)
[pid 5482] close(19) = -1 EBADF (Bad file descriptor)
[pid 5482] close(20) = -1 EBADF (Bad file descriptor)
[pid 5482] close(21) = -1 EBADF (Bad file descriptor)
[pid 5482] close(22) = -1 EBADF (Bad file descriptor)
[pid 5482] close(23) = -1 EBADF (Bad file descriptor)
[pid 5482] close(24) = -1 EBADF (Bad file descriptor)
[pid 5482] close(25) = -1 EBADF (Bad file descriptor)
[pid 5482] close(26) = -1 EBADF (Bad file descriptor)
[pid 5482] close(27) = -1 EBADF (Bad file descriptor)
[pid 5482] close(28) = -1 EBADF (Bad file descriptor)
[pid 5482] close(29) = -1 EBADF (Bad file descriptor)
[pid 5482] exit_group(0) = ?
[pid 5482] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./480", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./480", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./480/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./480/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./480/cgroup.cpu") = 0
[pid 5000] umount2("./480/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./480/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./480/binderfs") = 0
[pid 5000] umount2("./480/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./480/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./480/cgroup") = 0
[pid 5000] umount2("./480/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./480/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./480/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./480") = 0
[pid 5000] mkdir("./481", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5483 attached
<unfinished ...>
[pid 5483] chdir("./481") = 0
[pid 5483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5483] setpgid(0, 0) = 0
[pid 5483] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 483
[pid 5483] <... symlink resumed>) = 0
[pid 5483] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5483] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5483] write(3, "1000", 4) = 4
[pid 5483] close(3) = 0
[pid 5483] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5483] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5483] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5483] openat(3, "freezer.state", O_RDWR) = 4
[pid 5483] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5483] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5483] close(3) = 0
[pid 5483] close(4) = 0
[pid 5483] close(5) = -1 EBADF (Bad file descriptor)
[pid 5483] close(6) = -1 EBADF (Bad file descriptor)
[pid 5483] close(7) = -1 EBADF (Bad file descriptor)
[pid 5483] close(8) = -1 EBADF (Bad file descriptor)
[pid 5483] close(9) = -1 EBADF (Bad file descriptor)
[pid 5483] close(10) = -1 EBADF (Bad file descriptor)
[pid 5483] close(11) = -1 EBADF (Bad file descriptor)
[pid 5483] close(12) = -1 EBADF (Bad file descriptor)
[pid 5483] close(13) = -1 EBADF (Bad file descriptor)
[pid 5483] close(14) = -1 EBADF (Bad file descriptor)
[pid 5483] close(15) = -1 EBADF (Bad file descriptor)
[pid 5483] close(16) = -1 EBADF (Bad file descriptor)
[pid 5483] close(17) = -1 EBADF (Bad file descriptor)
[pid 5483] close(18) = -1 EBADF (Bad file descriptor)
[pid 5483] close(19) = -1 EBADF (Bad file descriptor)
[pid 5483] close(20) = -1 EBADF (Bad file descriptor)
[pid 5483] close(21) = -1 EBADF (Bad file descriptor)
[pid 5483] close(22) = -1 EBADF (Bad file descriptor)
[pid 5483] close(23) = -1 EBADF (Bad file descriptor)
[pid 5483] close(24) = -1 EBADF (Bad file descriptor)
[pid 5483] close(25) = -1 EBADF (Bad file descriptor)
[pid 5483] close(26) = -1 EBADF (Bad file descriptor)
[pid 5483] close(27) = -1 EBADF (Bad file descriptor)
[pid 5483] close(28) = -1 EBADF (Bad file descriptor)
[pid 5483] close(29) = -1 EBADF (Bad file descriptor)
[pid 5483] exit_group(0) = ?
[pid 5483] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./481", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./481", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./481/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./481/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./481/cgroup.cpu") = 0
[pid 5000] umount2("./481/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./481/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./481/binderfs") = 0
[pid 5000] umount2("./481/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./481/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./481/cgroup") = 0
[pid 5000] umount2("./481/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./481/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./481/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./481") = 0
[pid 5000] mkdir("./482", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5484 attached
<unfinished ...>
[pid 5484] chdir("./482") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 484
[pid 5484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5484] setpgid(0, 0) = 0
[pid 5484] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5484] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5484] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5484] write(3, "1000", 4) = 4
[pid 5484] close(3) = 0
[pid 5484] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5484] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5484] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5484] openat(3, "freezer.state", O_RDWR) = 4
[pid 5484] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5484] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5484] close(3) = 0
[pid 5484] close(4) = 0
[pid 5484] close(5) = -1 EBADF (Bad file descriptor)
[pid 5484] close(6) = -1 EBADF (Bad file descriptor)
[pid 5484] close(7) = -1 EBADF (Bad file descriptor)
[pid 5484] close(8) = -1 EBADF (Bad file descriptor)
[pid 5484] close(9) = -1 EBADF (Bad file descriptor)
[pid 5484] close(10) = -1 EBADF (Bad file descriptor)
[pid 5484] close(11) = -1 EBADF (Bad file descriptor)
[pid 5484] close(12) = -1 EBADF (Bad file descriptor)
[pid 5484] close(13) = -1 EBADF (Bad file descriptor)
[pid 5484] close(14) = -1 EBADF (Bad file descriptor)
[pid 5484] close(15) = -1 EBADF (Bad file descriptor)
[pid 5484] close(16) = -1 EBADF (Bad file descriptor)
[pid 5484] close(17) = -1 EBADF (Bad file descriptor)
[pid 5484] close(18) = -1 EBADF (Bad file descriptor)
[pid 5484] close(19) = -1 EBADF (Bad file descriptor)
[pid 5484] close(20) = -1 EBADF (Bad file descriptor)
[pid 5484] close(21) = -1 EBADF (Bad file descriptor)
[pid 5484] close(22) = -1 EBADF (Bad file descriptor)
[pid 5484] close(23) = -1 EBADF (Bad file descriptor)
[pid 5484] close(24) = -1 EBADF (Bad file descriptor)
[pid 5484] close(25) = -1 EBADF (Bad file descriptor)
[pid 5484] close(26) = -1 EBADF (Bad file descriptor)
[pid 5484] close(27) = -1 EBADF (Bad file descriptor)
[pid 5484] close(28) = -1 EBADF (Bad file descriptor)
[pid 5484] close(29) = -1 EBADF (Bad file descriptor)
[pid 5484] exit_group(0) = ?
[pid 5484] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./482", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./482", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./482/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./482/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./482/cgroup.cpu") = 0
[pid 5000] umount2("./482/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./482/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./482/binderfs") = 0
[pid 5000] umount2("./482/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./482/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./482/cgroup") = 0
[pid 5000] umount2("./482/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./482/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./482/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./482") = 0
[pid 5000] mkdir("./483", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5485 attached
<unfinished ...>
[pid 5485] chdir("./483") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 485
[pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5485] setpgid(0, 0) = 0
[pid 5485] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5485] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5485] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5485] write(3, "1000", 4) = 4
[pid 5485] close(3) = 0
[pid 5485] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5485] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5485] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5485] openat(3, "freezer.state", O_RDWR) = 4
[pid 5485] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5485] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5485] close(3) = 0
[pid 5485] close(4) = 0
[pid 5485] close(5) = -1 EBADF (Bad file descriptor)
[pid 5485] close(6) = -1 EBADF (Bad file descriptor)
[pid 5485] close(7) = -1 EBADF (Bad file descriptor)
[pid 5485] close(8) = -1 EBADF (Bad file descriptor)
[pid 5485] close(9) = -1 EBADF (Bad file descriptor)
[pid 5485] close(10) = -1 EBADF (Bad file descriptor)
[pid 5485] close(11) = -1 EBADF (Bad file descriptor)
[pid 5485] close(12) = -1 EBADF (Bad file descriptor)
[pid 5485] close(13) = -1 EBADF (Bad file descriptor)
[pid 5485] close(14) = -1 EBADF (Bad file descriptor)
[pid 5485] close(15) = -1 EBADF (Bad file descriptor)
[pid 5485] close(16) = -1 EBADF (Bad file descriptor)
[pid 5485] close(17) = -1 EBADF (Bad file descriptor)
[pid 5485] close(18) = -1 EBADF (Bad file descriptor)
[pid 5485] close(19) = -1 EBADF (Bad file descriptor)
[pid 5485] close(20) = -1 EBADF (Bad file descriptor)
[pid 5485] close(21) = -1 EBADF (Bad file descriptor)
[pid 5485] close(22) = -1 EBADF (Bad file descriptor)
[pid 5485] close(23) = -1 EBADF (Bad file descriptor)
[pid 5485] close(24) = -1 EBADF (Bad file descriptor)
[pid 5485] close(25) = -1 EBADF (Bad file descriptor)
[pid 5485] close(26) = -1 EBADF (Bad file descriptor)
[pid 5485] close(27) = -1 EBADF (Bad file descriptor)
[pid 5485] close(28) = -1 EBADF (Bad file descriptor)
[pid 5485] close(29) = -1 EBADF (Bad file descriptor)
[pid 5485] exit_group(0) = ?
[pid 5485] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./483", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./483", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./483/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./483/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./483/cgroup.cpu") = 0
[pid 5000] umount2("./483/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./483/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./483/binderfs") = 0
[pid 5000] umount2("./483/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./483/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./483/cgroup") = 0
[pid 5000] umount2("./483/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./483/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./483/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./483") = 0
[pid 5000] mkdir("./484", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 486
./strace-static-x86_64: Process 5486 attached
[pid 5486] chdir("./484") = 0
[pid 5486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5486] setpgid(0, 0) = 0
[pid 5486] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5486] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5486] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5486] write(3, "1000", 4) = 4
[pid 5486] close(3) = 0
[pid 5486] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5486] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5486] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5486] openat(3, "freezer.state", O_RDWR) = 4
[pid 5486] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5486] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5486] close(3) = 0
[pid 5486] close(4) = 0
[pid 5486] close(5) = -1 EBADF (Bad file descriptor)
[pid 5486] close(6) = -1 EBADF (Bad file descriptor)
[pid 5486] close(7) = -1 EBADF (Bad file descriptor)
[pid 5486] close(8) = -1 EBADF (Bad file descriptor)
[pid 5486] close(9) = -1 EBADF (Bad file descriptor)
[pid 5486] close(10) = -1 EBADF (Bad file descriptor)
[pid 5486] close(11) = -1 EBADF (Bad file descriptor)
[pid 5486] close(12) = -1 EBADF (Bad file descriptor)
[pid 5486] close(13) = -1 EBADF (Bad file descriptor)
[pid 5486] close(14) = -1 EBADF (Bad file descriptor)
[pid 5486] close(15) = -1 EBADF (Bad file descriptor)
[pid 5486] close(16) = -1 EBADF (Bad file descriptor)
[pid 5486] close(17) = -1 EBADF (Bad file descriptor)
[pid 5486] close(18) = -1 EBADF (Bad file descriptor)
[pid 5486] close(19) = -1 EBADF (Bad file descriptor)
[pid 5486] close(20) = -1 EBADF (Bad file descriptor)
[pid 5486] close(21) = -1 EBADF (Bad file descriptor)
[pid 5486] close(22) = -1 EBADF (Bad file descriptor)
[pid 5486] close(23) = -1 EBADF (Bad file descriptor)
[pid 5486] close(24) = -1 EBADF (Bad file descriptor)
[pid 5486] close(25) = -1 EBADF (Bad file descriptor)
[pid 5486] close(26) = -1 EBADF (Bad file descriptor)
[pid 5486] close(27) = -1 EBADF (Bad file descriptor)
[pid 5486] close(28) = -1 EBADF (Bad file descriptor)
[pid 5486] close(29) = -1 EBADF (Bad file descriptor)
[pid 5486] exit_group(0) = ?
[pid 5486] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./484", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./484", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./484/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./484/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./484/cgroup.cpu") = 0
[pid 5000] umount2("./484/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./484/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./484/binderfs") = 0
[pid 5000] umount2("./484/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./484/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./484/cgroup") = 0
[pid 5000] umount2("./484/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./484/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./484/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./484") = 0
[pid 5000] mkdir("./485", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5487 attached
<unfinished ...>
[pid 5487] chdir("./485" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 487
[pid 5487] <... chdir resumed>) = 0
[pid 5487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5487] setpgid(0, 0) = 0
[pid 5487] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5487] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5487] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5487] write(3, "1000", 4) = 4
[pid 5487] close(3) = 0
[pid 5487] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5487] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5487] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5487] openat(3, "freezer.state", O_RDWR) = 4
[pid 5487] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5487] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5487] close(3) = 0
[pid 5487] close(4) = 0
[pid 5487] close(5) = -1 EBADF (Bad file descriptor)
[pid 5487] close(6) = -1 EBADF (Bad file descriptor)
[pid 5487] close(7) = -1 EBADF (Bad file descriptor)
[pid 5487] close(8) = -1 EBADF (Bad file descriptor)
[pid 5487] close(9) = -1 EBADF (Bad file descriptor)
[pid 5487] close(10) = -1 EBADF (Bad file descriptor)
[pid 5487] close(11) = -1 EBADF (Bad file descriptor)
[pid 5487] close(12) = -1 EBADF (Bad file descriptor)
[pid 5487] close(13) = -1 EBADF (Bad file descriptor)
[pid 5487] close(14) = -1 EBADF (Bad file descriptor)
[pid 5487] close(15) = -1 EBADF (Bad file descriptor)
[pid 5487] close(16) = -1 EBADF (Bad file descriptor)
[pid 5487] close(17) = -1 EBADF (Bad file descriptor)
[pid 5487] close(18) = -1 EBADF (Bad file descriptor)
[pid 5487] close(19) = -1 EBADF (Bad file descriptor)
[pid 5487] close(20) = -1 EBADF (Bad file descriptor)
[pid 5487] close(21) = -1 EBADF (Bad file descriptor)
[pid 5487] close(22) = -1 EBADF (Bad file descriptor)
[pid 5487] close(23) = -1 EBADF (Bad file descriptor)
[pid 5487] close(24) = -1 EBADF (Bad file descriptor)
[pid 5487] close(25) = -1 EBADF (Bad file descriptor)
[pid 5487] close(26) = -1 EBADF (Bad file descriptor)
[pid 5487] close(27) = -1 EBADF (Bad file descriptor)
[pid 5487] close(28) = -1 EBADF (Bad file descriptor)
[pid 5487] close(29) = -1 EBADF (Bad file descriptor)
[pid 5487] exit_group(0) = ?
[pid 5487] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./485", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./485", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./485/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./485/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./485/cgroup.cpu") = 0
[pid 5000] umount2("./485/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./485/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./485/binderfs") = 0
[pid 5000] umount2("./485/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./485/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./485/cgroup") = 0
[pid 5000] umount2("./485/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./485/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./485/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./485") = 0
[pid 5000] mkdir("./486", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 488
./strace-static-x86_64: Process 5488 attached
[pid 5488] chdir("./486") = 0
[pid 5488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5488] setpgid(0, 0) = 0
[pid 5488] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5488] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5488] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5488] write(3, "1000", 4) = 4
[pid 5488] close(3) = 0
[pid 5488] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5488] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5488] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5488] openat(3, "freezer.state", O_RDWR) = 4
[pid 5488] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5488] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5488] close(3) = 0
[pid 5488] close(4) = 0
[pid 5488] close(5) = -1 EBADF (Bad file descriptor)
[pid 5488] close(6) = -1 EBADF (Bad file descriptor)
[pid 5488] close(7) = -1 EBADF (Bad file descriptor)
[pid 5488] close(8) = -1 EBADF (Bad file descriptor)
[pid 5488] close(9) = -1 EBADF (Bad file descriptor)
[pid 5488] close(10) = -1 EBADF (Bad file descriptor)
[pid 5488] close(11) = -1 EBADF (Bad file descriptor)
[pid 5488] close(12) = -1 EBADF (Bad file descriptor)
[pid 5488] close(13) = -1 EBADF (Bad file descriptor)
[pid 5488] close(14) = -1 EBADF (Bad file descriptor)
[pid 5488] close(15) = -1 EBADF (Bad file descriptor)
[pid 5488] close(16) = -1 EBADF (Bad file descriptor)
[pid 5488] close(17) = -1 EBADF (Bad file descriptor)
[pid 5488] close(18) = -1 EBADF (Bad file descriptor)
[pid 5488] close(19) = -1 EBADF (Bad file descriptor)
[pid 5488] close(20) = -1 EBADF (Bad file descriptor)
[pid 5488] close(21) = -1 EBADF (Bad file descriptor)
[pid 5488] close(22) = -1 EBADF (Bad file descriptor)
[pid 5488] close(23) = -1 EBADF (Bad file descriptor)
[pid 5488] close(24) = -1 EBADF (Bad file descriptor)
[pid 5488] close(25) = -1 EBADF (Bad file descriptor)
[pid 5488] close(26) = -1 EBADF (Bad file descriptor)
[pid 5488] close(27) = -1 EBADF (Bad file descriptor)
[pid 5488] close(28) = -1 EBADF (Bad file descriptor)
[pid 5488] close(29) = -1 EBADF (Bad file descriptor)
[pid 5488] exit_group(0) = ?
[pid 5488] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./486", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./486", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./486/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./486/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./486/cgroup.cpu") = 0
[pid 5000] umount2("./486/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./486/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./486/binderfs") = 0
[pid 5000] umount2("./486/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./486/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./486/cgroup") = 0
[pid 5000] umount2("./486/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./486/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./486/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./486") = 0
[pid 5000] mkdir("./487", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5489 attached
<unfinished ...>
[pid 5489] chdir("./487") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 489
[pid 5489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5489] setpgid(0, 0) = 0
[pid 5489] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5489] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5489] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5489] write(3, "1000", 4) = 4
[pid 5489] close(3) = 0
[pid 5489] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5489] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5489] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5489] openat(3, "freezer.state", O_RDWR) = 4
[pid 5489] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5489] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5489] close(3) = 0
[pid 5489] close(4) = 0
[pid 5489] close(5) = -1 EBADF (Bad file descriptor)
[pid 5489] close(6) = -1 EBADF (Bad file descriptor)
[pid 5489] close(7) = -1 EBADF (Bad file descriptor)
[pid 5489] close(8) = -1 EBADF (Bad file descriptor)
[pid 5489] close(9) = -1 EBADF (Bad file descriptor)
[pid 5489] close(10) = -1 EBADF (Bad file descriptor)
[pid 5489] close(11) = -1 EBADF (Bad file descriptor)
[pid 5489] close(12) = -1 EBADF (Bad file descriptor)
[pid 5489] close(13) = -1 EBADF (Bad file descriptor)
[pid 5489] close(14) = -1 EBADF (Bad file descriptor)
[pid 5489] close(15) = -1 EBADF (Bad file descriptor)
[pid 5489] close(16) = -1 EBADF (Bad file descriptor)
[pid 5489] close(17) = -1 EBADF (Bad file descriptor)
[pid 5489] close(18) = -1 EBADF (Bad file descriptor)
[pid 5489] close(19) = -1 EBADF (Bad file descriptor)
[pid 5489] close(20) = -1 EBADF (Bad file descriptor)
[pid 5489] close(21) = -1 EBADF (Bad file descriptor)
[pid 5489] close(22) = -1 EBADF (Bad file descriptor)
[pid 5489] close(23) = -1 EBADF (Bad file descriptor)
[pid 5489] close(24) = -1 EBADF (Bad file descriptor)
[pid 5489] close(25) = -1 EBADF (Bad file descriptor)
[pid 5489] close(26) = -1 EBADF (Bad file descriptor)
[pid 5489] close(27) = -1 EBADF (Bad file descriptor)
[pid 5489] close(28) = -1 EBADF (Bad file descriptor)
[pid 5489] close(29) = -1 EBADF (Bad file descriptor)
[pid 5489] exit_group(0) = ?
[pid 5489] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./487", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./487", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./487/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./487/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./487/cgroup.cpu") = 0
[pid 5000] umount2("./487/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./487/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./487/binderfs") = 0
[pid 5000] umount2("./487/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./487/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./487/cgroup") = 0
[pid 5000] umount2("./487/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./487/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./487/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./487") = 0
[pid 5000] mkdir("./488", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5490 attached
<unfinished ...>
[pid 5490] chdir("./488") = 0
[pid 5490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5490] setpgid(0, 0) = 0
[pid 5490] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 490
[pid 5490] <... symlink resumed>) = 0
[pid 5490] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5490] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5490] write(3, "1000", 4) = 4
[pid 5490] close(3) = 0
[pid 5490] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5490] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5490] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5490] openat(3, "freezer.state", O_RDWR) = 4
[pid 5490] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5490] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5490] close(3) = 0
[pid 5490] close(4) = 0
[pid 5490] close(5) = -1 EBADF (Bad file descriptor)
[pid 5490] close(6) = -1 EBADF (Bad file descriptor)
[pid 5490] close(7) = -1 EBADF (Bad file descriptor)
[pid 5490] close(8) = -1 EBADF (Bad file descriptor)
[pid 5490] close(9) = -1 EBADF (Bad file descriptor)
[pid 5490] close(10) = -1 EBADF (Bad file descriptor)
[pid 5490] close(11) = -1 EBADF (Bad file descriptor)
[pid 5490] close(12) = -1 EBADF (Bad file descriptor)
[pid 5490] close(13) = -1 EBADF (Bad file descriptor)
[pid 5490] close(14) = -1 EBADF (Bad file descriptor)
[pid 5490] close(15) = -1 EBADF (Bad file descriptor)
[pid 5490] close(16) = -1 EBADF (Bad file descriptor)
[pid 5490] close(17) = -1 EBADF (Bad file descriptor)
[pid 5490] close(18) = -1 EBADF (Bad file descriptor)
[pid 5490] close(19) = -1 EBADF (Bad file descriptor)
[pid 5490] close(20) = -1 EBADF (Bad file descriptor)
[pid 5490] close(21) = -1 EBADF (Bad file descriptor)
[pid 5490] close(22) = -1 EBADF (Bad file descriptor)
[pid 5490] close(23) = -1 EBADF (Bad file descriptor)
[pid 5490] close(24) = -1 EBADF (Bad file descriptor)
[pid 5490] close(25) = -1 EBADF (Bad file descriptor)
[pid 5490] close(26) = -1 EBADF (Bad file descriptor)
[pid 5490] close(27) = -1 EBADF (Bad file descriptor)
[pid 5490] close(28) = -1 EBADF (Bad file descriptor)
[pid 5490] close(29) = -1 EBADF (Bad file descriptor)
[pid 5490] exit_group(0) = ?
[pid 5490] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./488", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./488", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./488/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./488/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./488/cgroup.cpu") = 0
[pid 5000] umount2("./488/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./488/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./488/binderfs") = 0
[pid 5000] umount2("./488/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./488/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./488/cgroup") = 0
[pid 5000] umount2("./488/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./488/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./488/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./488") = 0
[pid 5000] mkdir("./489", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5491 attached
<unfinished ...>
[pid 5491] chdir("./489") = 0
[pid 5491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 491
[pid 5491] setpgid(0, 0) = 0
[pid 5491] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5491] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5491] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5491] write(3, "1000", 4) = 4
[pid 5491] close(3) = 0
[pid 5491] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5491] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5491] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5491] openat(3, "freezer.state", O_RDWR) = 4
[pid 5491] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5491] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5491] close(3) = 0
[pid 5491] close(4) = 0
[pid 5491] close(5) = -1 EBADF (Bad file descriptor)
[pid 5491] close(6) = -1 EBADF (Bad file descriptor)
[pid 5491] close(7) = -1 EBADF (Bad file descriptor)
[pid 5491] close(8) = -1 EBADF (Bad file descriptor)
[pid 5491] close(9) = -1 EBADF (Bad file descriptor)
[pid 5491] close(10) = -1 EBADF (Bad file descriptor)
[pid 5491] close(11) = -1 EBADF (Bad file descriptor)
[pid 5491] close(12) = -1 EBADF (Bad file descriptor)
[pid 5491] close(13) = -1 EBADF (Bad file descriptor)
[pid 5491] close(14) = -1 EBADF (Bad file descriptor)
[pid 5491] close(15) = -1 EBADF (Bad file descriptor)
[pid 5491] close(16) = -1 EBADF (Bad file descriptor)
[pid 5491] close(17) = -1 EBADF (Bad file descriptor)
[pid 5491] close(18) = -1 EBADF (Bad file descriptor)
[pid 5491] close(19) = -1 EBADF (Bad file descriptor)
[pid 5491] close(20) = -1 EBADF (Bad file descriptor)
[pid 5491] close(21) = -1 EBADF (Bad file descriptor)
[pid 5491] close(22) = -1 EBADF (Bad file descriptor)
[pid 5491] close(23) = -1 EBADF (Bad file descriptor)
[pid 5491] close(24) = -1 EBADF (Bad file descriptor)
[pid 5491] close(25) = -1 EBADF (Bad file descriptor)
[pid 5491] close(26) = -1 EBADF (Bad file descriptor)
[pid 5491] close(27) = -1 EBADF (Bad file descriptor)
[pid 5491] close(28) = -1 EBADF (Bad file descriptor)
[pid 5491] close(29) = -1 EBADF (Bad file descriptor)
[pid 5491] exit_group(0) = ?
[pid 5491] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./489", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./489", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./489/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./489/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./489/cgroup.cpu") = 0
[pid 5000] umount2("./489/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./489/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./489/binderfs") = 0
[pid 5000] umount2("./489/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./489/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./489/cgroup") = 0
[pid 5000] umount2("./489/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./489/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./489/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./489") = 0
[pid 5000] mkdir("./490", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5492 attached
<unfinished ...>
[pid 5492] chdir("./490") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 492
[pid 5492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5492] setpgid(0, 0) = 0
[pid 5492] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5492] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5492] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5492] write(3, "1000", 4) = 4
[pid 5492] close(3) = 0
[pid 5492] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5492] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5492] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5492] openat(3, "freezer.state", O_RDWR) = 4
[pid 5492] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5492] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5492] close(3) = 0
[pid 5492] close(4) = 0
[pid 5492] close(5) = -1 EBADF (Bad file descriptor)
[pid 5492] close(6) = -1 EBADF (Bad file descriptor)
[pid 5492] close(7) = -1 EBADF (Bad file descriptor)
[pid 5492] close(8) = -1 EBADF (Bad file descriptor)
[pid 5492] close(9) = -1 EBADF (Bad file descriptor)
[pid 5492] close(10) = -1 EBADF (Bad file descriptor)
[pid 5492] close(11) = -1 EBADF (Bad file descriptor)
[pid 5492] close(12) = -1 EBADF (Bad file descriptor)
[pid 5492] close(13) = -1 EBADF (Bad file descriptor)
[pid 5492] close(14) = -1 EBADF (Bad file descriptor)
[pid 5492] close(15) = -1 EBADF (Bad file descriptor)
[pid 5492] close(16) = -1 EBADF (Bad file descriptor)
[pid 5492] close(17) = -1 EBADF (Bad file descriptor)
[pid 5492] close(18) = -1 EBADF (Bad file descriptor)
[pid 5492] close(19) = -1 EBADF (Bad file descriptor)
[pid 5492] close(20) = -1 EBADF (Bad file descriptor)
[pid 5492] close(21) = -1 EBADF (Bad file descriptor)
[pid 5492] close(22) = -1 EBADF (Bad file descriptor)
[pid 5492] close(23) = -1 EBADF (Bad file descriptor)
[pid 5492] close(24) = -1 EBADF (Bad file descriptor)
[pid 5492] close(25) = -1 EBADF (Bad file descriptor)
[pid 5492] close(26) = -1 EBADF (Bad file descriptor)
[pid 5492] close(27) = -1 EBADF (Bad file descriptor)
[pid 5492] close(28) = -1 EBADF (Bad file descriptor)
[pid 5492] close(29) = -1 EBADF (Bad file descriptor)
[pid 5492] exit_group(0) = ?
[pid 5492] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./490", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./490", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./490/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./490/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./490/cgroup.cpu") = 0
[pid 5000] umount2("./490/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./490/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./490/binderfs") = 0
[pid 5000] umount2("./490/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./490/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./490/cgroup") = 0
[pid 5000] umount2("./490/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./490/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./490/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./490") = 0
[pid 5000] mkdir("./491", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5493 attached
, child_tidptr=0x55555723f5d0) = 493
[pid 5493] chdir("./491") = 0
[pid 5493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5493] setpgid(0, 0) = 0
[pid 5493] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5493] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5493] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5493] write(3, "1000", 4) = 4
[pid 5493] close(3) = 0
[pid 5493] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5493] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5493] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5493] openat(3, "freezer.state", O_RDWR) = 4
[pid 5493] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5493] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5493] close(3) = 0
[pid 5493] close(4) = 0
[pid 5493] close(5) = -1 EBADF (Bad file descriptor)
[pid 5493] close(6) = -1 EBADF (Bad file descriptor)
[pid 5493] close(7) = -1 EBADF (Bad file descriptor)
[pid 5493] close(8) = -1 EBADF (Bad file descriptor)
[pid 5493] close(9) = -1 EBADF (Bad file descriptor)
[pid 5493] close(10) = -1 EBADF (Bad file descriptor)
[pid 5493] close(11) = -1 EBADF (Bad file descriptor)
[pid 5493] close(12) = -1 EBADF (Bad file descriptor)
[pid 5493] close(13) = -1 EBADF (Bad file descriptor)
[pid 5493] close(14) = -1 EBADF (Bad file descriptor)
[pid 5493] close(15) = -1 EBADF (Bad file descriptor)
[pid 5493] close(16) = -1 EBADF (Bad file descriptor)
[pid 5493] close(17) = -1 EBADF (Bad file descriptor)
[pid 5493] close(18) = -1 EBADF (Bad file descriptor)
[pid 5493] close(19) = -1 EBADF (Bad file descriptor)
[pid 5493] close(20) = -1 EBADF (Bad file descriptor)
[pid 5493] close(21) = -1 EBADF (Bad file descriptor)
[pid 5493] close(22) = -1 EBADF (Bad file descriptor)
[pid 5493] close(23) = -1 EBADF (Bad file descriptor)
[pid 5493] close(24) = -1 EBADF (Bad file descriptor)
[pid 5493] close(25) = -1 EBADF (Bad file descriptor)
[pid 5493] close(26) = -1 EBADF (Bad file descriptor)
[pid 5493] close(27) = -1 EBADF (Bad file descriptor)
[pid 5493] close(28) = -1 EBADF (Bad file descriptor)
[pid 5493] close(29) = -1 EBADF (Bad file descriptor)
[pid 5493] exit_group(0) = ?
[pid 5493] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./491", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./491", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./491/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./491/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./491/cgroup.cpu") = 0
[pid 5000] umount2("./491/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./491/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./491/binderfs") = 0
[pid 5000] umount2("./491/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./491/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./491/cgroup") = 0
[pid 5000] umount2("./491/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./491/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./491/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./491") = 0
[pid 5000] mkdir("./492", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5494 attached
<unfinished ...>
[pid 5494] chdir("./492") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 494
[pid 5494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5494] setpgid(0, 0) = 0
[pid 5494] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5494] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5494] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5494] write(3, "1000", 4) = 4
[pid 5494] close(3) = 0
[pid 5494] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5494] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5494] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5494] openat(3, "freezer.state", O_RDWR) = 4
[pid 5494] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5494] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5494] close(3) = 0
[pid 5494] close(4) = 0
[pid 5494] close(5) = -1 EBADF (Bad file descriptor)
[pid 5494] close(6) = -1 EBADF (Bad file descriptor)
[pid 5494] close(7) = -1 EBADF (Bad file descriptor)
[pid 5494] close(8) = -1 EBADF (Bad file descriptor)
[pid 5494] close(9) = -1 EBADF (Bad file descriptor)
[pid 5494] close(10) = -1 EBADF (Bad file descriptor)
[pid 5494] close(11) = -1 EBADF (Bad file descriptor)
[pid 5494] close(12) = -1 EBADF (Bad file descriptor)
[pid 5494] close(13) = -1 EBADF (Bad file descriptor)
[pid 5494] close(14) = -1 EBADF (Bad file descriptor)
[pid 5494] close(15) = -1 EBADF (Bad file descriptor)
[pid 5494] close(16) = -1 EBADF (Bad file descriptor)
[pid 5494] close(17) = -1 EBADF (Bad file descriptor)
[pid 5494] close(18) = -1 EBADF (Bad file descriptor)
[pid 5494] close(19) = -1 EBADF (Bad file descriptor)
[pid 5494] close(20) = -1 EBADF (Bad file descriptor)
[pid 5494] close(21) = -1 EBADF (Bad file descriptor)
[pid 5494] close(22) = -1 EBADF (Bad file descriptor)
[pid 5494] close(23) = -1 EBADF (Bad file descriptor)
[pid 5494] close(24) = -1 EBADF (Bad file descriptor)
[pid 5494] close(25) = -1 EBADF (Bad file descriptor)
[pid 5494] close(26) = -1 EBADF (Bad file descriptor)
[pid 5494] close(27) = -1 EBADF (Bad file descriptor)
[pid 5494] close(28) = -1 EBADF (Bad file descriptor)
[pid 5494] close(29) = -1 EBADF (Bad file descriptor)
[pid 5494] exit_group(0) = ?
[pid 5494] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./492", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./492", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./492/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./492/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./492/cgroup.cpu") = 0
[pid 5000] umount2("./492/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./492/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./492/binderfs") = 0
[pid 5000] umount2("./492/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./492/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./492/cgroup") = 0
[pid 5000] umount2("./492/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./492/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./492/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./492") = 0
[pid 5000] mkdir("./493", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5495 attached
<unfinished ...>
[pid 5495] chdir("./493") = 0
[pid 5495] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 495
[pid 5495] <... prctl resumed>) = 0
[pid 5495] setpgid(0, 0) = 0
[pid 5495] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5495] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5495] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5495] write(3, "1000", 4) = 4
[pid 5495] close(3) = 0
[pid 5495] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5495] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5495] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5495] openat(3, "freezer.state", O_RDWR) = 4
[pid 5495] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5495] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5495] close(3) = 0
[pid 5495] close(4) = 0
[pid 5495] close(5) = -1 EBADF (Bad file descriptor)
[pid 5495] close(6) = -1 EBADF (Bad file descriptor)
[pid 5495] close(7) = -1 EBADF (Bad file descriptor)
[pid 5495] close(8) = -1 EBADF (Bad file descriptor)
[pid 5495] close(9) = -1 EBADF (Bad file descriptor)
[pid 5495] close(10) = -1 EBADF (Bad file descriptor)
[pid 5495] close(11) = -1 EBADF (Bad file descriptor)
[pid 5495] close(12) = -1 EBADF (Bad file descriptor)
[pid 5495] close(13) = -1 EBADF (Bad file descriptor)
[pid 5495] close(14) = -1 EBADF (Bad file descriptor)
[pid 5495] close(15) = -1 EBADF (Bad file descriptor)
[pid 5495] close(16) = -1 EBADF (Bad file descriptor)
[pid 5495] close(17) = -1 EBADF (Bad file descriptor)
[pid 5495] close(18) = -1 EBADF (Bad file descriptor)
[pid 5495] close(19) = -1 EBADF (Bad file descriptor)
[pid 5495] close(20) = -1 EBADF (Bad file descriptor)
[pid 5495] close(21) = -1 EBADF (Bad file descriptor)
[pid 5495] close(22) = -1 EBADF (Bad file descriptor)
[pid 5495] close(23) = -1 EBADF (Bad file descriptor)
[pid 5495] close(24) = -1 EBADF (Bad file descriptor)
[pid 5495] close(25) = -1 EBADF (Bad file descriptor)
[pid 5495] close(26) = -1 EBADF (Bad file descriptor)
[pid 5495] close(27) = -1 EBADF (Bad file descriptor)
[pid 5495] close(28) = -1 EBADF (Bad file descriptor)
[pid 5495] close(29) = -1 EBADF (Bad file descriptor)
[pid 5495] exit_group(0) = ?
[pid 5495] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./493", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./493", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./493/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./493/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./493/cgroup.cpu") = 0
[pid 5000] umount2("./493/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./493/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./493/binderfs") = 0
[pid 5000] umount2("./493/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./493/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./493/cgroup") = 0
[pid 5000] umount2("./493/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./493/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./493/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./493") = 0
[pid 5000] mkdir("./494", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5496 attached
<unfinished ...>
[pid 5496] chdir("./494") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 496
[pid 5496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5496] setpgid(0, 0) = 0
[pid 5496] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5496] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5496] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5496] write(3, "1000", 4) = 4
[pid 5496] close(3) = 0
[pid 5496] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5496] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5496] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5496] openat(3, "freezer.state", O_RDWR) = 4
[pid 5496] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5496] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5496] close(3) = 0
[pid 5496] close(4) = 0
[pid 5496] close(5) = -1 EBADF (Bad file descriptor)
[pid 5496] close(6) = -1 EBADF (Bad file descriptor)
[pid 5496] close(7) = -1 EBADF (Bad file descriptor)
[pid 5496] close(8) = -1 EBADF (Bad file descriptor)
[pid 5496] close(9) = -1 EBADF (Bad file descriptor)
[pid 5496] close(10) = -1 EBADF (Bad file descriptor)
[pid 5496] close(11) = -1 EBADF (Bad file descriptor)
[pid 5496] close(12) = -1 EBADF (Bad file descriptor)
[pid 5496] close(13) = -1 EBADF (Bad file descriptor)
[pid 5496] close(14) = -1 EBADF (Bad file descriptor)
[pid 5496] close(15) = -1 EBADF (Bad file descriptor)
[pid 5496] close(16) = -1 EBADF (Bad file descriptor)
[pid 5496] close(17) = -1 EBADF (Bad file descriptor)
[pid 5496] close(18) = -1 EBADF (Bad file descriptor)
[pid 5496] close(19) = -1 EBADF (Bad file descriptor)
[pid 5496] close(20) = -1 EBADF (Bad file descriptor)
[pid 5496] close(21) = -1 EBADF (Bad file descriptor)
[pid 5496] close(22) = -1 EBADF (Bad file descriptor)
[pid 5496] close(23) = -1 EBADF (Bad file descriptor)
[pid 5496] close(24) = -1 EBADF (Bad file descriptor)
[pid 5496] close(25) = -1 EBADF (Bad file descriptor)
[pid 5496] close(26) = -1 EBADF (Bad file descriptor)
[pid 5496] close(27) = -1 EBADF (Bad file descriptor)
[pid 5496] close(28) = -1 EBADF (Bad file descriptor)
[pid 5496] close(29) = -1 EBADF (Bad file descriptor)
[pid 5496] exit_group(0) = ?
[pid 5496] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./494", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./494", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./494/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./494/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./494/cgroup.cpu") = 0
[pid 5000] umount2("./494/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./494/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./494/binderfs") = 0
[pid 5000] umount2("./494/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./494/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./494/cgroup") = 0
[pid 5000] umount2("./494/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./494/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./494/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./494") = 0
[pid 5000] mkdir("./495", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5497 attached
, child_tidptr=0x55555723f5d0) = 497
[pid 5497] chdir("./495") = 0
[pid 5497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5497] setpgid(0, 0) = 0
[pid 5497] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5497] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5497] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5497] write(3, "1000", 4) = 4
[pid 5497] close(3) = 0
[pid 5497] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5497] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5497] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5497] openat(3, "freezer.state", O_RDWR) = 4
[pid 5497] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5497] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5497] close(3) = 0
[pid 5497] close(4) = 0
[pid 5497] close(5) = -1 EBADF (Bad file descriptor)
[pid 5497] close(6) = -1 EBADF (Bad file descriptor)
[pid 5497] close(7) = -1 EBADF (Bad file descriptor)
[pid 5497] close(8) = -1 EBADF (Bad file descriptor)
[pid 5497] close(9) = -1 EBADF (Bad file descriptor)
[pid 5497] close(10) = -1 EBADF (Bad file descriptor)
[pid 5497] close(11) = -1 EBADF (Bad file descriptor)
[pid 5497] close(12) = -1 EBADF (Bad file descriptor)
[pid 5497] close(13) = -1 EBADF (Bad file descriptor)
[pid 5497] close(14) = -1 EBADF (Bad file descriptor)
[pid 5497] close(15) = -1 EBADF (Bad file descriptor)
[pid 5497] close(16) = -1 EBADF (Bad file descriptor)
[pid 5497] close(17) = -1 EBADF (Bad file descriptor)
[pid 5497] close(18) = -1 EBADF (Bad file descriptor)
[pid 5497] close(19) = -1 EBADF (Bad file descriptor)
[pid 5497] close(20) = -1 EBADF (Bad file descriptor)
[pid 5497] close(21) = -1 EBADF (Bad file descriptor)
[pid 5497] close(22) = -1 EBADF (Bad file descriptor)
[pid 5497] close(23) = -1 EBADF (Bad file descriptor)
[pid 5497] close(24) = -1 EBADF (Bad file descriptor)
[pid 5497] close(25) = -1 EBADF (Bad file descriptor)
[pid 5497] close(26) = -1 EBADF (Bad file descriptor)
[pid 5497] close(27) = -1 EBADF (Bad file descriptor)
[pid 5497] close(28) = -1 EBADF (Bad file descriptor)
[pid 5497] close(29) = -1 EBADF (Bad file descriptor)
[pid 5497] exit_group(0) = ?
[pid 5497] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./495", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./495", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./495/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./495/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./495/cgroup.cpu") = 0
[pid 5000] umount2("./495/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./495/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./495/binderfs") = 0
[pid 5000] umount2("./495/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./495/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./495/cgroup") = 0
[pid 5000] umount2("./495/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./495/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./495/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./495") = 0
[pid 5000] mkdir("./496", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 498
./strace-static-x86_64: Process 5498 attached
[pid 5498] chdir("./496") = 0
[pid 5498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5498] setpgid(0, 0) = 0
[pid 5498] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5498] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5498] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5498] write(3, "1000", 4) = 4
[pid 5498] close(3) = 0
[pid 5498] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5498] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5498] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5498] openat(3, "freezer.state", O_RDWR) = 4
[pid 5498] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5498] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5498] close(3) = 0
[pid 5498] close(4) = 0
[pid 5498] close(5) = -1 EBADF (Bad file descriptor)
[pid 5498] close(6) = -1 EBADF (Bad file descriptor)
[pid 5498] close(7) = -1 EBADF (Bad file descriptor)
[pid 5498] close(8) = -1 EBADF (Bad file descriptor)
[pid 5498] close(9) = -1 EBADF (Bad file descriptor)
[pid 5498] close(10) = -1 EBADF (Bad file descriptor)
[pid 5498] close(11) = -1 EBADF (Bad file descriptor)
[pid 5498] close(12) = -1 EBADF (Bad file descriptor)
[pid 5498] close(13) = -1 EBADF (Bad file descriptor)
[pid 5498] close(14) = -1 EBADF (Bad file descriptor)
[pid 5498] close(15) = -1 EBADF (Bad file descriptor)
[pid 5498] close(16) = -1 EBADF (Bad file descriptor)
[pid 5498] close(17) = -1 EBADF (Bad file descriptor)
[pid 5498] close(18) = -1 EBADF (Bad file descriptor)
[pid 5498] close(19) = -1 EBADF (Bad file descriptor)
[pid 5498] close(20) = -1 EBADF (Bad file descriptor)
[pid 5498] close(21) = -1 EBADF (Bad file descriptor)
[pid 5498] close(22) = -1 EBADF (Bad file descriptor)
[pid 5498] close(23) = -1 EBADF (Bad file descriptor)
[pid 5498] close(24) = -1 EBADF (Bad file descriptor)
[pid 5498] close(25) = -1 EBADF (Bad file descriptor)
[pid 5498] close(26) = -1 EBADF (Bad file descriptor)
[pid 5498] close(27) = -1 EBADF (Bad file descriptor)
[pid 5498] close(28) = -1 EBADF (Bad file descriptor)
[pid 5498] close(29) = -1 EBADF (Bad file descriptor)
[pid 5498] exit_group(0) = ?
[pid 5498] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./496", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./496", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./496/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./496/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./496/cgroup.cpu") = 0
[pid 5000] umount2("./496/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./496/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./496/binderfs") = 0
[pid 5000] umount2("./496/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./496/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./496/cgroup") = 0
[pid 5000] umount2("./496/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./496/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./496/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./496") = 0
[pid 5000] mkdir("./497", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5499 attached
<unfinished ...>
[pid 5499] chdir("./497" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 499
[pid 5499] <... chdir resumed>) = 0
[pid 5499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5499] setpgid(0, 0) = 0
[pid 5499] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5499] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5499] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5499] write(3, "1000", 4) = 4
[pid 5499] close(3) = 0
[pid 5499] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5499] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5499] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5499] openat(3, "freezer.state", O_RDWR) = 4
[pid 5499] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5499] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5499] close(3) = 0
[pid 5499] close(4) = 0
[pid 5499] close(5) = -1 EBADF (Bad file descriptor)
[pid 5499] close(6) = -1 EBADF (Bad file descriptor)
[pid 5499] close(7) = -1 EBADF (Bad file descriptor)
[pid 5499] close(8) = -1 EBADF (Bad file descriptor)
[pid 5499] close(9) = -1 EBADF (Bad file descriptor)
[pid 5499] close(10) = -1 EBADF (Bad file descriptor)
[pid 5499] close(11) = -1 EBADF (Bad file descriptor)
[pid 5499] close(12) = -1 EBADF (Bad file descriptor)
[pid 5499] close(13) = -1 EBADF (Bad file descriptor)
[pid 5499] close(14) = -1 EBADF (Bad file descriptor)
[pid 5499] close(15) = -1 EBADF (Bad file descriptor)
[pid 5499] close(16) = -1 EBADF (Bad file descriptor)
[pid 5499] close(17) = -1 EBADF (Bad file descriptor)
[pid 5499] close(18) = -1 EBADF (Bad file descriptor)
[pid 5499] close(19) = -1 EBADF (Bad file descriptor)
[pid 5499] close(20) = -1 EBADF (Bad file descriptor)
[pid 5499] close(21) = -1 EBADF (Bad file descriptor)
[pid 5499] close(22) = -1 EBADF (Bad file descriptor)
[pid 5499] close(23) = -1 EBADF (Bad file descriptor)
[pid 5499] close(24) = -1 EBADF (Bad file descriptor)
[pid 5499] close(25) = -1 EBADF (Bad file descriptor)
[pid 5499] close(26) = -1 EBADF (Bad file descriptor)
[pid 5499] close(27) = -1 EBADF (Bad file descriptor)
[pid 5499] close(28) = -1 EBADF (Bad file descriptor)
[pid 5499] close(29) = -1 EBADF (Bad file descriptor)
[pid 5499] exit_group(0) = ?
[pid 5499] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./497", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./497", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./497/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./497/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./497/cgroup.cpu") = 0
[pid 5000] umount2("./497/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./497/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./497/binderfs") = 0
[pid 5000] umount2("./497/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./497/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./497/cgroup") = 0
[pid 5000] umount2("./497/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./497/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./497/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./497") = 0
[pid 5000] mkdir("./498", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 500
./strace-static-x86_64: Process 5500 attached
[pid 5500] chdir("./498") = 0
[pid 5500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5500] setpgid(0, 0) = 0
[pid 5500] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5500] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5500] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5500] write(3, "1000", 4) = 4
[pid 5500] close(3) = 0
[pid 5500] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5500] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5500] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5500] openat(3, "freezer.state", O_RDWR) = 4
[pid 5500] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5500] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5500] close(3) = 0
[pid 5500] close(4) = 0
[pid 5500] close(5) = -1 EBADF (Bad file descriptor)
[pid 5500] close(6) = -1 EBADF (Bad file descriptor)
[pid 5500] close(7) = -1 EBADF (Bad file descriptor)
[pid 5500] close(8) = -1 EBADF (Bad file descriptor)
[pid 5500] close(9) = -1 EBADF (Bad file descriptor)
[pid 5500] close(10) = -1 EBADF (Bad file descriptor)
[pid 5500] close(11) = -1 EBADF (Bad file descriptor)
[pid 5500] close(12) = -1 EBADF (Bad file descriptor)
[pid 5500] close(13) = -1 EBADF (Bad file descriptor)
[pid 5500] close(14) = -1 EBADF (Bad file descriptor)
[pid 5500] close(15) = -1 EBADF (Bad file descriptor)
[pid 5500] close(16) = -1 EBADF (Bad file descriptor)
[pid 5500] close(17) = -1 EBADF (Bad file descriptor)
[pid 5500] close(18) = -1 EBADF (Bad file descriptor)
[pid 5500] close(19) = -1 EBADF (Bad file descriptor)
[pid 5500] close(20) = -1 EBADF (Bad file descriptor)
[pid 5500] close(21) = -1 EBADF (Bad file descriptor)
[pid 5500] close(22) = -1 EBADF (Bad file descriptor)
[pid 5500] close(23) = -1 EBADF (Bad file descriptor)
[pid 5500] close(24) = -1 EBADF (Bad file descriptor)
[pid 5500] close(25) = -1 EBADF (Bad file descriptor)
[pid 5500] close(26) = -1 EBADF (Bad file descriptor)
[pid 5500] close(27) = -1 EBADF (Bad file descriptor)
[pid 5500] close(28) = -1 EBADF (Bad file descriptor)
[pid 5500] close(29) = -1 EBADF (Bad file descriptor)
[pid 5500] exit_group(0) = ?
[pid 5500] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./498", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./498", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./498/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./498/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./498/cgroup.cpu") = 0
[pid 5000] umount2("./498/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./498/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./498/binderfs") = 0
[pid 5000] umount2("./498/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./498/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./498/cgroup") = 0
[pid 5000] umount2("./498/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./498/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./498/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./498") = 0
[pid 5000] mkdir("./499", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 501
./strace-static-x86_64: Process 5501 attached
[pid 5501] chdir("./499") = 0
[pid 5501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5501] setpgid(0, 0) = 0
[pid 5501] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5501] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5501] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5501] write(3, "1000", 4) = 4
[pid 5501] close(3) = 0
[pid 5501] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5501] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5501] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5501] openat(3, "freezer.state", O_RDWR) = 4
[pid 5501] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5501] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5501] close(3) = 0
[pid 5501] close(4) = 0
[pid 5501] close(5) = -1 EBADF (Bad file descriptor)
[pid 5501] close(6) = -1 EBADF (Bad file descriptor)
[pid 5501] close(7) = -1 EBADF (Bad file descriptor)
[pid 5501] close(8) = -1 EBADF (Bad file descriptor)
[pid 5501] close(9) = -1 EBADF (Bad file descriptor)
[pid 5501] close(10) = -1 EBADF (Bad file descriptor)
[pid 5501] close(11) = -1 EBADF (Bad file descriptor)
[pid 5501] close(12) = -1 EBADF (Bad file descriptor)
[pid 5501] close(13) = -1 EBADF (Bad file descriptor)
[pid 5501] close(14) = -1 EBADF (Bad file descriptor)
[pid 5501] close(15) = -1 EBADF (Bad file descriptor)
[pid 5501] close(16) = -1 EBADF (Bad file descriptor)
[pid 5501] close(17) = -1 EBADF (Bad file descriptor)
[pid 5501] close(18) = -1 EBADF (Bad file descriptor)
[pid 5501] close(19) = -1 EBADF (Bad file descriptor)
[pid 5501] close(20) = -1 EBADF (Bad file descriptor)
[pid 5501] close(21) = -1 EBADF (Bad file descriptor)
[pid 5501] close(22) = -1 EBADF (Bad file descriptor)
[pid 5501] close(23) = -1 EBADF (Bad file descriptor)
[pid 5501] close(24) = -1 EBADF (Bad file descriptor)
[pid 5501] close(25) = -1 EBADF (Bad file descriptor)
[pid 5501] close(26) = -1 EBADF (Bad file descriptor)
[pid 5501] close(27) = -1 EBADF (Bad file descriptor)
[pid 5501] close(28) = -1 EBADF (Bad file descriptor)
[pid 5501] close(29) = -1 EBADF (Bad file descriptor)
[pid 5501] exit_group(0) = ?
[pid 5501] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./499", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./499", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./499/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./499/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./499/cgroup.cpu") = 0
[pid 5000] umount2("./499/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./499/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./499/binderfs") = 0
[pid 5000] umount2("./499/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./499/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./499/cgroup") = 0
[pid 5000] umount2("./499/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./499/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./499/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./499") = 0
[pid 5000] mkdir("./500", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5502 attached
, child_tidptr=0x55555723f5d0) = 502
[pid 5502] chdir("./500") = 0
[pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5502] setpgid(0, 0) = 0
[pid 5502] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5502] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5502] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5502] write(3, "1000", 4) = 4
[pid 5502] close(3) = 0
[pid 5502] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5502] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5502] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5502] openat(3, "freezer.state", O_RDWR) = 4
[pid 5502] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5502] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5502] close(3) = 0
[pid 5502] close(4) = 0
[pid 5502] close(5) = -1 EBADF (Bad file descriptor)
[pid 5502] close(6) = -1 EBADF (Bad file descriptor)
[pid 5502] close(7) = -1 EBADF (Bad file descriptor)
[pid 5502] close(8) = -1 EBADF (Bad file descriptor)
[pid 5502] close(9) = -1 EBADF (Bad file descriptor)
[pid 5502] close(10) = -1 EBADF (Bad file descriptor)
[pid 5502] close(11) = -1 EBADF (Bad file descriptor)
[pid 5502] close(12) = -1 EBADF (Bad file descriptor)
[pid 5502] close(13) = -1 EBADF (Bad file descriptor)
[pid 5502] close(14) = -1 EBADF (Bad file descriptor)
[pid 5502] close(15) = -1 EBADF (Bad file descriptor)
[pid 5502] close(16) = -1 EBADF (Bad file descriptor)
[pid 5502] close(17) = -1 EBADF (Bad file descriptor)
[pid 5502] close(18) = -1 EBADF (Bad file descriptor)
[pid 5502] close(19) = -1 EBADF (Bad file descriptor)
[pid 5502] close(20) = -1 EBADF (Bad file descriptor)
[pid 5502] close(21) = -1 EBADF (Bad file descriptor)
[pid 5502] close(22) = -1 EBADF (Bad file descriptor)
[pid 5502] close(23) = -1 EBADF (Bad file descriptor)
[pid 5502] close(24) = -1 EBADF (Bad file descriptor)
[pid 5502] close(25) = -1 EBADF (Bad file descriptor)
[pid 5502] close(26) = -1 EBADF (Bad file descriptor)
[pid 5502] close(27) = -1 EBADF (Bad file descriptor)
[pid 5502] close(28) = -1 EBADF (Bad file descriptor)
[pid 5502] close(29) = -1 EBADF (Bad file descriptor)
[pid 5502] exit_group(0) = ?
[pid 5502] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./500", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./500", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./500/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./500/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./500/cgroup.cpu") = 0
[pid 5000] umount2("./500/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./500/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./500/binderfs") = 0
[pid 5000] umount2("./500/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./500/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./500/cgroup") = 0
[pid 5000] umount2("./500/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./500/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./500/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./500") = 0
[pid 5000] mkdir("./501", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5503 attached
<unfinished ...>
[pid 5503] chdir("./501") = 0
[pid 5503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 503
[pid 5503] setpgid(0, 0) = 0
[pid 5503] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5503] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5503] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5503] write(3, "1000", 4) = 4
[pid 5503] close(3) = 0
[pid 5503] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5503] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5503] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5503] openat(3, "freezer.state", O_RDWR) = 4
[pid 5503] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5503] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5503] close(3) = 0
[pid 5503] close(4) = 0
[pid 5503] close(5) = -1 EBADF (Bad file descriptor)
[pid 5503] close(6) = -1 EBADF (Bad file descriptor)
[pid 5503] close(7) = -1 EBADF (Bad file descriptor)
[pid 5503] close(8) = -1 EBADF (Bad file descriptor)
[pid 5503] close(9) = -1 EBADF (Bad file descriptor)
[pid 5503] close(10) = -1 EBADF (Bad file descriptor)
[pid 5503] close(11) = -1 EBADF (Bad file descriptor)
[pid 5503] close(12) = -1 EBADF (Bad file descriptor)
[pid 5503] close(13) = -1 EBADF (Bad file descriptor)
[pid 5503] close(14) = -1 EBADF (Bad file descriptor)
[pid 5503] close(15) = -1 EBADF (Bad file descriptor)
[pid 5503] close(16) = -1 EBADF (Bad file descriptor)
[pid 5503] close(17) = -1 EBADF (Bad file descriptor)
[pid 5503] close(18) = -1 EBADF (Bad file descriptor)
[pid 5503] close(19) = -1 EBADF (Bad file descriptor)
[pid 5503] close(20) = -1 EBADF (Bad file descriptor)
[pid 5503] close(21) = -1 EBADF (Bad file descriptor)
[pid 5503] close(22) = -1 EBADF (Bad file descriptor)
[pid 5503] close(23) = -1 EBADF (Bad file descriptor)
[pid 5503] close(24) = -1 EBADF (Bad file descriptor)
[pid 5503] close(25) = -1 EBADF (Bad file descriptor)
[pid 5503] close(26) = -1 EBADF (Bad file descriptor)
[pid 5503] close(27) = -1 EBADF (Bad file descriptor)
[pid 5503] close(28) = -1 EBADF (Bad file descriptor)
[pid 5503] close(29) = -1 EBADF (Bad file descriptor)
[pid 5503] exit_group(0) = ?
[pid 5503] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./501", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./501", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./501/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./501/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./501/cgroup.cpu") = 0
[pid 5000] umount2("./501/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./501/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./501/binderfs") = 0
[pid 5000] umount2("./501/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./501/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./501/cgroup") = 0
[pid 5000] umount2("./501/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./501/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./501/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./501") = 0
[pid 5000] mkdir("./502", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5504 attached
<unfinished ...>
[pid 5504] chdir("./502") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 504
[pid 5504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5504] setpgid(0, 0) = 0
[pid 5504] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5504] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5504] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5504] write(3, "1000", 4) = 4
[pid 5504] close(3) = 0
[pid 5504] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5504] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5504] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5504] openat(3, "freezer.state", O_RDWR) = 4
[pid 5504] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5504] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5504] close(3) = 0
[pid 5504] close(4) = 0
[pid 5504] close(5) = -1 EBADF (Bad file descriptor)
[pid 5504] close(6) = -1 EBADF (Bad file descriptor)
[pid 5504] close(7) = -1 EBADF (Bad file descriptor)
[pid 5504] close(8) = -1 EBADF (Bad file descriptor)
[pid 5504] close(9) = -1 EBADF (Bad file descriptor)
[pid 5504] close(10) = -1 EBADF (Bad file descriptor)
[pid 5504] close(11) = -1 EBADF (Bad file descriptor)
[pid 5504] close(12) = -1 EBADF (Bad file descriptor)
[pid 5504] close(13) = -1 EBADF (Bad file descriptor)
[pid 5504] close(14) = -1 EBADF (Bad file descriptor)
[pid 5504] close(15) = -1 EBADF (Bad file descriptor)
[pid 5504] close(16) = -1 EBADF (Bad file descriptor)
[pid 5504] close(17) = -1 EBADF (Bad file descriptor)
[pid 5504] close(18) = -1 EBADF (Bad file descriptor)
[pid 5504] close(19) = -1 EBADF (Bad file descriptor)
[pid 5504] close(20) = -1 EBADF (Bad file descriptor)
[pid 5504] close(21) = -1 EBADF (Bad file descriptor)
[pid 5504] close(22) = -1 EBADF (Bad file descriptor)
[pid 5504] close(23) = -1 EBADF (Bad file descriptor)
[pid 5504] close(24) = -1 EBADF (Bad file descriptor)
[pid 5504] close(25) = -1 EBADF (Bad file descriptor)
[pid 5504] close(26) = -1 EBADF (Bad file descriptor)
[pid 5504] close(27) = -1 EBADF (Bad file descriptor)
[pid 5504] close(28) = -1 EBADF (Bad file descriptor)
[pid 5504] close(29) = -1 EBADF (Bad file descriptor)
[pid 5504] exit_group(0) = ?
[pid 5504] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./502", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./502", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./502/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./502/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./502/cgroup.cpu") = 0
[pid 5000] umount2("./502/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./502/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./502/binderfs") = 0
[pid 5000] umount2("./502/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./502/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./502/cgroup") = 0
[pid 5000] umount2("./502/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./502/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./502/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./502") = 0
[pid 5000] mkdir("./503", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5505 attached
<unfinished ...>
[pid 5505] chdir("./503") = 0
[pid 5505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 505
[pid 5505] setpgid(0, 0) = 0
[pid 5505] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5505] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5505] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5505] write(3, "1000", 4) = 4
[pid 5505] close(3) = 0
[pid 5505] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5505] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5505] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5505] openat(3, "freezer.state", O_RDWR) = 4
[pid 5505] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5505] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5505] close(3) = 0
[pid 5505] close(4) = 0
[pid 5505] close(5) = -1 EBADF (Bad file descriptor)
[pid 5505] close(6) = -1 EBADF (Bad file descriptor)
[pid 5505] close(7) = -1 EBADF (Bad file descriptor)
[pid 5505] close(8) = -1 EBADF (Bad file descriptor)
[pid 5505] close(9) = -1 EBADF (Bad file descriptor)
[pid 5505] close(10) = -1 EBADF (Bad file descriptor)
[pid 5505] close(11) = -1 EBADF (Bad file descriptor)
[pid 5505] close(12) = -1 EBADF (Bad file descriptor)
[pid 5505] close(13) = -1 EBADF (Bad file descriptor)
[pid 5505] close(14) = -1 EBADF (Bad file descriptor)
[pid 5505] close(15) = -1 EBADF (Bad file descriptor)
[pid 5505] close(16) = -1 EBADF (Bad file descriptor)
[pid 5505] close(17) = -1 EBADF (Bad file descriptor)
[pid 5505] close(18) = -1 EBADF (Bad file descriptor)
[pid 5505] close(19) = -1 EBADF (Bad file descriptor)
[pid 5505] close(20) = -1 EBADF (Bad file descriptor)
[pid 5505] close(21) = -1 EBADF (Bad file descriptor)
[pid 5505] close(22) = -1 EBADF (Bad file descriptor)
[pid 5505] close(23) = -1 EBADF (Bad file descriptor)
[pid 5505] close(24) = -1 EBADF (Bad file descriptor)
[pid 5505] close(25) = -1 EBADF (Bad file descriptor)
[pid 5505] close(26) = -1 EBADF (Bad file descriptor)
[pid 5505] close(27) = -1 EBADF (Bad file descriptor)
[pid 5505] close(28) = -1 EBADF (Bad file descriptor)
[pid 5505] close(29) = -1 EBADF (Bad file descriptor)
[pid 5505] exit_group(0) = ?
[pid 5505] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./503", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./503", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./503/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./503/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./503/cgroup.cpu") = 0
[pid 5000] umount2("./503/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./503/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./503/binderfs") = 0
[pid 5000] umount2("./503/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./503/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./503/cgroup") = 0
[pid 5000] umount2("./503/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./503/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./503/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./503") = 0
[pid 5000] mkdir("./504", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 506
./strace-static-x86_64: Process 5506 attached
[pid 5506] chdir("./504") = 0
[pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5506] setpgid(0, 0) = 0
[pid 5506] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5506] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5506] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5506] write(3, "1000", 4) = 4
[pid 5506] close(3) = 0
[pid 5506] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5506] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5506] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5506] openat(3, "freezer.state", O_RDWR) = 4
[pid 5506] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5506] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5506] close(3) = 0
[pid 5506] close(4) = 0
[pid 5506] close(5) = -1 EBADF (Bad file descriptor)
[pid 5506] close(6) = -1 EBADF (Bad file descriptor)
[pid 5506] close(7) = -1 EBADF (Bad file descriptor)
[pid 5506] close(8) = -1 EBADF (Bad file descriptor)
[pid 5506] close(9) = -1 EBADF (Bad file descriptor)
[pid 5506] close(10) = -1 EBADF (Bad file descriptor)
[pid 5506] close(11) = -1 EBADF (Bad file descriptor)
[pid 5506] close(12) = -1 EBADF (Bad file descriptor)
[pid 5506] close(13) = -1 EBADF (Bad file descriptor)
[pid 5506] close(14) = -1 EBADF (Bad file descriptor)
[pid 5506] close(15) = -1 EBADF (Bad file descriptor)
[pid 5506] close(16) = -1 EBADF (Bad file descriptor)
[pid 5506] close(17) = -1 EBADF (Bad file descriptor)
[pid 5506] close(18) = -1 EBADF (Bad file descriptor)
[pid 5506] close(19) = -1 EBADF (Bad file descriptor)
[pid 5506] close(20) = -1 EBADF (Bad file descriptor)
[pid 5506] close(21) = -1 EBADF (Bad file descriptor)
[pid 5506] close(22) = -1 EBADF (Bad file descriptor)
[pid 5506] close(23) = -1 EBADF (Bad file descriptor)
[pid 5506] close(24) = -1 EBADF (Bad file descriptor)
[pid 5506] close(25) = -1 EBADF (Bad file descriptor)
[pid 5506] close(26) = -1 EBADF (Bad file descriptor)
[pid 5506] close(27) = -1 EBADF (Bad file descriptor)
[pid 5506] close(28) = -1 EBADF (Bad file descriptor)
[pid 5506] close(29) = -1 EBADF (Bad file descriptor)
[pid 5506] exit_group(0) = ?
[pid 5506] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./504", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./504", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./504/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./504/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./504/cgroup.cpu") = 0
[pid 5000] umount2("./504/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./504/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./504/binderfs") = 0
[pid 5000] umount2("./504/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./504/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./504/cgroup") = 0
[pid 5000] umount2("./504/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./504/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./504/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./504") = 0
[pid 5000] mkdir("./505", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5507 attached
<unfinished ...>
[pid 5507] chdir("./505") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 507
[pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5507] setpgid(0, 0) = 0
[pid 5507] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5507] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5507] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5507] write(3, "1000", 4) = 4
[pid 5507] close(3) = 0
[pid 5507] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5507] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5507] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5507] openat(3, "freezer.state", O_RDWR) = 4
[pid 5507] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5507] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5507] close(3) = 0
[pid 5507] close(4) = 0
[pid 5507] close(5) = -1 EBADF (Bad file descriptor)
[pid 5507] close(6) = -1 EBADF (Bad file descriptor)
[pid 5507] close(7) = -1 EBADF (Bad file descriptor)
[pid 5507] close(8) = -1 EBADF (Bad file descriptor)
[pid 5507] close(9) = -1 EBADF (Bad file descriptor)
[pid 5507] close(10) = -1 EBADF (Bad file descriptor)
[pid 5507] close(11) = -1 EBADF (Bad file descriptor)
[pid 5507] close(12) = -1 EBADF (Bad file descriptor)
[pid 5507] close(13) = -1 EBADF (Bad file descriptor)
[pid 5507] close(14) = -1 EBADF (Bad file descriptor)
[pid 5507] close(15) = -1 EBADF (Bad file descriptor)
[pid 5507] close(16) = -1 EBADF (Bad file descriptor)
[pid 5507] close(17) = -1 EBADF (Bad file descriptor)
[pid 5507] close(18) = -1 EBADF (Bad file descriptor)
[pid 5507] close(19) = -1 EBADF (Bad file descriptor)
[pid 5507] close(20) = -1 EBADF (Bad file descriptor)
[pid 5507] close(21) = -1 EBADF (Bad file descriptor)
[pid 5507] close(22) = -1 EBADF (Bad file descriptor)
[pid 5507] close(23) = -1 EBADF (Bad file descriptor)
[pid 5507] close(24) = -1 EBADF (Bad file descriptor)
[pid 5507] close(25) = -1 EBADF (Bad file descriptor)
[pid 5507] close(26) = -1 EBADF (Bad file descriptor)
[pid 5507] close(27) = -1 EBADF (Bad file descriptor)
[pid 5507] close(28) = -1 EBADF (Bad file descriptor)
[pid 5507] close(29) = -1 EBADF (Bad file descriptor)
[pid 5507] exit_group(0) = ?
[pid 5507] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./505", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./505", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./505/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./505/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./505/cgroup.cpu") = 0
[pid 5000] umount2("./505/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./505/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./505/binderfs") = 0
[pid 5000] umount2("./505/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./505/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./505/cgroup") = 0
[pid 5000] umount2("./505/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./505/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./505/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./505") = 0
[pid 5000] mkdir("./506", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5508 attached
<unfinished ...>
[pid 5508] chdir("./506") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 508
[pid 5508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5508] setpgid(0, 0) = 0
[pid 5508] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5508] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5508] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5508] write(3, "1000", 4) = 4
[pid 5508] close(3) = 0
[pid 5508] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5508] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5508] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5508] openat(3, "freezer.state", O_RDWR) = 4
[pid 5508] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5508] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5508] close(3) = 0
[pid 5508] close(4) = 0
[pid 5508] close(5) = -1 EBADF (Bad file descriptor)
[pid 5508] close(6) = -1 EBADF (Bad file descriptor)
[pid 5508] close(7) = -1 EBADF (Bad file descriptor)
[pid 5508] close(8) = -1 EBADF (Bad file descriptor)
[pid 5508] close(9) = -1 EBADF (Bad file descriptor)
[pid 5508] close(10) = -1 EBADF (Bad file descriptor)
[pid 5508] close(11) = -1 EBADF (Bad file descriptor)
[pid 5508] close(12) = -1 EBADF (Bad file descriptor)
[pid 5508] close(13) = -1 EBADF (Bad file descriptor)
[pid 5508] close(14) = -1 EBADF (Bad file descriptor)
[pid 5508] close(15) = -1 EBADF (Bad file descriptor)
[pid 5508] close(16) = -1 EBADF (Bad file descriptor)
[pid 5508] close(17) = -1 EBADF (Bad file descriptor)
[pid 5508] close(18) = -1 EBADF (Bad file descriptor)
[pid 5508] close(19) = -1 EBADF (Bad file descriptor)
[pid 5508] close(20) = -1 EBADF (Bad file descriptor)
[pid 5508] close(21) = -1 EBADF (Bad file descriptor)
[pid 5508] close(22) = -1 EBADF (Bad file descriptor)
[pid 5508] close(23) = -1 EBADF (Bad file descriptor)
[pid 5508] close(24) = -1 EBADF (Bad file descriptor)
[pid 5508] close(25) = -1 EBADF (Bad file descriptor)
[pid 5508] close(26) = -1 EBADF (Bad file descriptor)
[pid 5508] close(27) = -1 EBADF (Bad file descriptor)
[pid 5508] close(28) = -1 EBADF (Bad file descriptor)
[pid 5508] close(29) = -1 EBADF (Bad file descriptor)
[pid 5508] exit_group(0) = ?
[pid 5508] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./506", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./506", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./506/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./506/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./506/cgroup.cpu") = 0
[pid 5000] umount2("./506/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./506/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./506/binderfs") = 0
[pid 5000] umount2("./506/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./506/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./506/cgroup") = 0
[pid 5000] umount2("./506/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./506/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./506/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./506") = 0
[pid 5000] mkdir("./507", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5509 attached
<unfinished ...>
[pid 5509] chdir("./507") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 509
[pid 5509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5509] setpgid(0, 0) = 0
[pid 5509] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5509] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5509] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5509] write(3, "1000", 4) = 4
[pid 5509] close(3) = 0
[pid 5509] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5509] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5509] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5509] openat(3, "freezer.state", O_RDWR) = 4
[pid 5509] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5509] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5509] close(3) = 0
[pid 5509] close(4) = 0
[pid 5509] close(5) = -1 EBADF (Bad file descriptor)
[pid 5509] close(6) = -1 EBADF (Bad file descriptor)
[pid 5509] close(7) = -1 EBADF (Bad file descriptor)
[pid 5509] close(8) = -1 EBADF (Bad file descriptor)
[pid 5509] close(9) = -1 EBADF (Bad file descriptor)
[pid 5509] close(10) = -1 EBADF (Bad file descriptor)
[pid 5509] close(11) = -1 EBADF (Bad file descriptor)
[pid 5509] close(12) = -1 EBADF (Bad file descriptor)
[pid 5509] close(13) = -1 EBADF (Bad file descriptor)
[pid 5509] close(14) = -1 EBADF (Bad file descriptor)
[pid 5509] close(15) = -1 EBADF (Bad file descriptor)
[pid 5509] close(16) = -1 EBADF (Bad file descriptor)
[pid 5509] close(17) = -1 EBADF (Bad file descriptor)
[pid 5509] close(18) = -1 EBADF (Bad file descriptor)
[pid 5509] close(19) = -1 EBADF (Bad file descriptor)
[pid 5509] close(20) = -1 EBADF (Bad file descriptor)
[pid 5509] close(21) = -1 EBADF (Bad file descriptor)
[pid 5509] close(22) = -1 EBADF (Bad file descriptor)
[pid 5509] close(23) = -1 EBADF (Bad file descriptor)
[pid 5509] close(24) = -1 EBADF (Bad file descriptor)
[pid 5509] close(25) = -1 EBADF (Bad file descriptor)
[pid 5509] close(26) = -1 EBADF (Bad file descriptor)
[pid 5509] close(27) = -1 EBADF (Bad file descriptor)
[pid 5509] close(28) = -1 EBADF (Bad file descriptor)
[pid 5509] close(29) = -1 EBADF (Bad file descriptor)
[pid 5509] exit_group(0) = ?
[pid 5509] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./507", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./507", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./507/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./507/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./507/cgroup.cpu") = 0
[pid 5000] umount2("./507/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./507/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./507/binderfs") = 0
[pid 5000] umount2("./507/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./507/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./507/cgroup") = 0
[pid 5000] umount2("./507/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./507/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./507/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./507") = 0
[pid 5000] mkdir("./508", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 510
./strace-static-x86_64: Process 5510 attached
[pid 5510] chdir("./508") = 0
[pid 5510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5510] setpgid(0, 0) = 0
[pid 5510] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5510] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5510] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5510] write(3, "1000", 4) = 4
[pid 5510] close(3) = 0
[pid 5510] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5510] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5510] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5510] openat(3, "freezer.state", O_RDWR) = 4
[pid 5510] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5510] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5510] close(3) = 0
[pid 5510] close(4) = 0
[pid 5510] close(5) = -1 EBADF (Bad file descriptor)
[pid 5510] close(6) = -1 EBADF (Bad file descriptor)
[pid 5510] close(7) = -1 EBADF (Bad file descriptor)
[pid 5510] close(8) = -1 EBADF (Bad file descriptor)
[pid 5510] close(9) = -1 EBADF (Bad file descriptor)
[pid 5510] close(10) = -1 EBADF (Bad file descriptor)
[pid 5510] close(11) = -1 EBADF (Bad file descriptor)
[pid 5510] close(12) = -1 EBADF (Bad file descriptor)
[pid 5510] close(13) = -1 EBADF (Bad file descriptor)
[pid 5510] close(14) = -1 EBADF (Bad file descriptor)
[pid 5510] close(15) = -1 EBADF (Bad file descriptor)
[pid 5510] close(16) = -1 EBADF (Bad file descriptor)
[pid 5510] close(17) = -1 EBADF (Bad file descriptor)
[pid 5510] close(18) = -1 EBADF (Bad file descriptor)
[pid 5510] close(19) = -1 EBADF (Bad file descriptor)
[pid 5510] close(20) = -1 EBADF (Bad file descriptor)
[pid 5510] close(21) = -1 EBADF (Bad file descriptor)
[pid 5510] close(22) = -1 EBADF (Bad file descriptor)
[pid 5510] close(23) = -1 EBADF (Bad file descriptor)
[pid 5510] close(24) = -1 EBADF (Bad file descriptor)
[pid 5510] close(25) = -1 EBADF (Bad file descriptor)
[pid 5510] close(26) = -1 EBADF (Bad file descriptor)
[pid 5510] close(27) = -1 EBADF (Bad file descriptor)
[pid 5510] close(28) = -1 EBADF (Bad file descriptor)
[pid 5510] close(29) = -1 EBADF (Bad file descriptor)
[pid 5510] exit_group(0) = ?
[pid 5510] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./508", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./508", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./508/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./508/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./508/cgroup.cpu") = 0
[pid 5000] umount2("./508/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./508/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./508/binderfs") = 0
[pid 5000] umount2("./508/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./508/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./508/cgroup") = 0
[pid 5000] umount2("./508/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./508/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./508/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./508") = 0
[pid 5000] mkdir("./509", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 511
./strace-static-x86_64: Process 5511 attached
[pid 5511] chdir("./509") = 0
[pid 5511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5511] setpgid(0, 0) = 0
[pid 5511] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5511] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5511] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5511] write(3, "1000", 4) = 4
[pid 5511] close(3) = 0
[pid 5511] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5511] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5511] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5511] openat(3, "freezer.state", O_RDWR) = 4
[pid 5511] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5511] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5511] close(3) = 0
[pid 5511] close(4) = 0
[pid 5511] close(5) = -1 EBADF (Bad file descriptor)
[pid 5511] close(6) = -1 EBADF (Bad file descriptor)
[pid 5511] close(7) = -1 EBADF (Bad file descriptor)
[pid 5511] close(8) = -1 EBADF (Bad file descriptor)
[pid 5511] close(9) = -1 EBADF (Bad file descriptor)
[pid 5511] close(10) = -1 EBADF (Bad file descriptor)
[pid 5511] close(11) = -1 EBADF (Bad file descriptor)
[pid 5511] close(12) = -1 EBADF (Bad file descriptor)
[pid 5511] close(13) = -1 EBADF (Bad file descriptor)
[pid 5511] close(14) = -1 EBADF (Bad file descriptor)
[pid 5511] close(15) = -1 EBADF (Bad file descriptor)
[pid 5511] close(16) = -1 EBADF (Bad file descriptor)
[pid 5511] close(17) = -1 EBADF (Bad file descriptor)
[pid 5511] close(18) = -1 EBADF (Bad file descriptor)
[pid 5511] close(19) = -1 EBADF (Bad file descriptor)
[pid 5511] close(20) = -1 EBADF (Bad file descriptor)
[pid 5511] close(21) = -1 EBADF (Bad file descriptor)
[pid 5511] close(22) = -1 EBADF (Bad file descriptor)
[pid 5511] close(23) = -1 EBADF (Bad file descriptor)
[pid 5511] close(24) = -1 EBADF (Bad file descriptor)
[pid 5511] close(25) = -1 EBADF (Bad file descriptor)
[pid 5511] close(26) = -1 EBADF (Bad file descriptor)
[pid 5511] close(27) = -1 EBADF (Bad file descriptor)
[pid 5511] close(28) = -1 EBADF (Bad file descriptor)
[pid 5511] close(29) = -1 EBADF (Bad file descriptor)
[pid 5511] exit_group(0) = ?
[pid 5511] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./509", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./509", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./509/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./509/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./509/cgroup.cpu") = 0
[pid 5000] umount2("./509/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./509/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./509/binderfs") = 0
[pid 5000] umount2("./509/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./509/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./509/cgroup") = 0
[pid 5000] umount2("./509/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./509/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./509/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./509") = 0
[pid 5000] mkdir("./510", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 512
./strace-static-x86_64: Process 5512 attached
[pid 5512] chdir("./510") = 0
[pid 5512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5512] setpgid(0, 0) = 0
[pid 5512] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5512] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5512] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5512] write(3, "1000", 4) = 4
[pid 5512] close(3) = 0
[pid 5512] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5512] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5512] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5512] openat(3, "freezer.state", O_RDWR) = 4
[pid 5512] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5512] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5512] close(3) = 0
[pid 5512] close(4) = 0
[pid 5512] close(5) = -1 EBADF (Bad file descriptor)
[pid 5512] close(6) = -1 EBADF (Bad file descriptor)
[pid 5512] close(7) = -1 EBADF (Bad file descriptor)
[pid 5512] close(8) = -1 EBADF (Bad file descriptor)
[pid 5512] close(9) = -1 EBADF (Bad file descriptor)
[pid 5512] close(10) = -1 EBADF (Bad file descriptor)
[pid 5512] close(11) = -1 EBADF (Bad file descriptor)
[pid 5512] close(12) = -1 EBADF (Bad file descriptor)
[pid 5512] close(13) = -1 EBADF (Bad file descriptor)
[pid 5512] close(14) = -1 EBADF (Bad file descriptor)
[pid 5512] close(15) = -1 EBADF (Bad file descriptor)
[pid 5512] close(16) = -1 EBADF (Bad file descriptor)
[pid 5512] close(17) = -1 EBADF (Bad file descriptor)
[pid 5512] close(18) = -1 EBADF (Bad file descriptor)
[pid 5512] close(19) = -1 EBADF (Bad file descriptor)
[pid 5512] close(20) = -1 EBADF (Bad file descriptor)
[pid 5512] close(21) = -1 EBADF (Bad file descriptor)
[pid 5512] close(22) = -1 EBADF (Bad file descriptor)
[pid 5512] close(23) = -1 EBADF (Bad file descriptor)
[pid 5512] close(24) = -1 EBADF (Bad file descriptor)
[pid 5512] close(25) = -1 EBADF (Bad file descriptor)
[pid 5512] close(26) = -1 EBADF (Bad file descriptor)
[pid 5512] close(27) = -1 EBADF (Bad file descriptor)
[pid 5512] close(28) = -1 EBADF (Bad file descriptor)
[pid 5512] close(29) = -1 EBADF (Bad file descriptor)
[pid 5512] exit_group(0) = ?
[pid 5512] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./510", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./510", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./510/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./510/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./510/cgroup.cpu") = 0
[pid 5000] umount2("./510/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./510/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./510/binderfs") = 0
[pid 5000] umount2("./510/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./510/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./510/cgroup") = 0
[pid 5000] umount2("./510/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./510/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./510/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./510") = 0
[pid 5000] mkdir("./511", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5513 attached
<unfinished ...>
[pid 5513] chdir("./511") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 513
[pid 5513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5513] setpgid(0, 0) = 0
[pid 5513] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5513] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5513] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5513] write(3, "1000", 4) = 4
[pid 5513] close(3) = 0
[pid 5513] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5513] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5513] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5513] openat(3, "freezer.state", O_RDWR) = 4
[pid 5513] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5513] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5513] close(3) = 0
[pid 5513] close(4) = 0
[pid 5513] close(5) = -1 EBADF (Bad file descriptor)
[pid 5513] close(6) = -1 EBADF (Bad file descriptor)
[pid 5513] close(7) = -1 EBADF (Bad file descriptor)
[pid 5513] close(8) = -1 EBADF (Bad file descriptor)
[pid 5513] close(9) = -1 EBADF (Bad file descriptor)
[pid 5513] close(10) = -1 EBADF (Bad file descriptor)
[pid 5513] close(11) = -1 EBADF (Bad file descriptor)
[pid 5513] close(12) = -1 EBADF (Bad file descriptor)
[pid 5513] close(13) = -1 EBADF (Bad file descriptor)
[pid 5513] close(14) = -1 EBADF (Bad file descriptor)
[pid 5513] close(15) = -1 EBADF (Bad file descriptor)
[pid 5513] close(16) = -1 EBADF (Bad file descriptor)
[pid 5513] close(17) = -1 EBADF (Bad file descriptor)
[pid 5513] close(18) = -1 EBADF (Bad file descriptor)
[pid 5513] close(19) = -1 EBADF (Bad file descriptor)
[pid 5513] close(20) = -1 EBADF (Bad file descriptor)
[pid 5513] close(21) = -1 EBADF (Bad file descriptor)
[pid 5513] close(22) = -1 EBADF (Bad file descriptor)
[pid 5513] close(23) = -1 EBADF (Bad file descriptor)
[pid 5513] close(24) = -1 EBADF (Bad file descriptor)
[pid 5513] close(25) = -1 EBADF (Bad file descriptor)
[pid 5513] close(26) = -1 EBADF (Bad file descriptor)
[pid 5513] close(27) = -1 EBADF (Bad file descriptor)
[pid 5513] close(28) = -1 EBADF (Bad file descriptor)
[pid 5513] close(29) = -1 EBADF (Bad file descriptor)
[pid 5513] exit_group(0) = ?
[pid 5513] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./511", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./511", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./511/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./511/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./511/cgroup.cpu") = 0
[pid 5000] umount2("./511/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./511/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./511/binderfs") = 0
[pid 5000] umount2("./511/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./511/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./511/cgroup") = 0
[pid 5000] umount2("./511/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./511/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./511/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./511") = 0
[pid 5000] mkdir("./512", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5514 attached
<unfinished ...>
[pid 5514] chdir("./512") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 514
[pid 5514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5514] setpgid(0, 0) = 0
[pid 5514] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5514] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5514] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5514] write(3, "1000", 4) = 4
[pid 5514] close(3) = 0
[pid 5514] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5514] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5514] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5514] openat(3, "freezer.state", O_RDWR) = 4
[pid 5514] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5514] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5514] close(3) = 0
[pid 5514] close(4) = 0
[pid 5514] close(5) = -1 EBADF (Bad file descriptor)
[pid 5514] close(6) = -1 EBADF (Bad file descriptor)
[pid 5514] close(7) = -1 EBADF (Bad file descriptor)
[pid 5514] close(8) = -1 EBADF (Bad file descriptor)
[pid 5514] close(9) = -1 EBADF (Bad file descriptor)
[pid 5514] close(10) = -1 EBADF (Bad file descriptor)
[pid 5514] close(11) = -1 EBADF (Bad file descriptor)
[pid 5514] close(12) = -1 EBADF (Bad file descriptor)
[pid 5514] close(13) = -1 EBADF (Bad file descriptor)
[pid 5514] close(14) = -1 EBADF (Bad file descriptor)
[pid 5514] close(15) = -1 EBADF (Bad file descriptor)
[pid 5514] close(16) = -1 EBADF (Bad file descriptor)
[pid 5514] close(17) = -1 EBADF (Bad file descriptor)
[pid 5514] close(18) = -1 EBADF (Bad file descriptor)
[pid 5514] close(19) = -1 EBADF (Bad file descriptor)
[pid 5514] close(20) = -1 EBADF (Bad file descriptor)
[pid 5514] close(21) = -1 EBADF (Bad file descriptor)
[pid 5514] close(22) = -1 EBADF (Bad file descriptor)
[pid 5514] close(23) = -1 EBADF (Bad file descriptor)
[pid 5514] close(24) = -1 EBADF (Bad file descriptor)
[pid 5514] close(25) = -1 EBADF (Bad file descriptor)
[pid 5514] close(26) = -1 EBADF (Bad file descriptor)
[pid 5514] close(27) = -1 EBADF (Bad file descriptor)
[pid 5514] close(28) = -1 EBADF (Bad file descriptor)
[pid 5514] close(29) = -1 EBADF (Bad file descriptor)
[pid 5514] exit_group(0) = ?
[pid 5514] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./512", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./512", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./512/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./512/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./512/cgroup.cpu") = 0
[pid 5000] umount2("./512/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./512/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./512/binderfs") = 0
[pid 5000] umount2("./512/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./512/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./512/cgroup") = 0
[pid 5000] umount2("./512/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./512/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./512/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./512") = 0
[pid 5000] mkdir("./513", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5515 attached
<unfinished ...>
[pid 5515] chdir("./513") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 515
[pid 5515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5515] setpgid(0, 0) = 0
[pid 5515] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5515] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5515] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5515] write(3, "1000", 4) = 4
[pid 5515] close(3) = 0
[pid 5515] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5515] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5515] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5515] openat(3, "freezer.state", O_RDWR) = 4
[pid 5515] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5515] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5515] close(3) = 0
[pid 5515] close(4) = 0
[pid 5515] close(5) = -1 EBADF (Bad file descriptor)
[pid 5515] close(6) = -1 EBADF (Bad file descriptor)
[pid 5515] close(7) = -1 EBADF (Bad file descriptor)
[pid 5515] close(8) = -1 EBADF (Bad file descriptor)
[pid 5515] close(9) = -1 EBADF (Bad file descriptor)
[pid 5515] close(10) = -1 EBADF (Bad file descriptor)
[pid 5515] close(11) = -1 EBADF (Bad file descriptor)
[pid 5515] close(12) = -1 EBADF (Bad file descriptor)
[pid 5515] close(13) = -1 EBADF (Bad file descriptor)
[pid 5515] close(14) = -1 EBADF (Bad file descriptor)
[pid 5515] close(15) = -1 EBADF (Bad file descriptor)
[pid 5515] close(16) = -1 EBADF (Bad file descriptor)
[pid 5515] close(17) = -1 EBADF (Bad file descriptor)
[pid 5515] close(18) = -1 EBADF (Bad file descriptor)
[pid 5515] close(19) = -1 EBADF (Bad file descriptor)
[pid 5515] close(20) = -1 EBADF (Bad file descriptor)
[pid 5515] close(21) = -1 EBADF (Bad file descriptor)
[pid 5515] close(22) = -1 EBADF (Bad file descriptor)
[pid 5515] close(23) = -1 EBADF (Bad file descriptor)
[pid 5515] close(24) = -1 EBADF (Bad file descriptor)
[pid 5515] close(25) = -1 EBADF (Bad file descriptor)
[pid 5515] close(26) = -1 EBADF (Bad file descriptor)
[pid 5515] close(27) = -1 EBADF (Bad file descriptor)
[pid 5515] close(28) = -1 EBADF (Bad file descriptor)
[pid 5515] close(29) = -1 EBADF (Bad file descriptor)
[pid 5515] exit_group(0) = ?
[pid 5515] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./513", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./513", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./513/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./513/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./513/cgroup.cpu") = 0
[pid 5000] umount2("./513/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./513/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./513/binderfs") = 0
[pid 5000] umount2("./513/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./513/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./513/cgroup") = 0
[pid 5000] umount2("./513/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./513/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./513/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./513") = 0
[pid 5000] mkdir("./514", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5516 attached
<unfinished ...>
[pid 5516] chdir("./514") = 0
[pid 5516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5516] setpgid(0, 0) = 0
[pid 5516] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 516
[pid 5516] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5516] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5516] write(3, "1000", 4) = 4
[pid 5516] close(3) = 0
[pid 5516] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5516] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5516] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5516] openat(3, "freezer.state", O_RDWR) = 4
[pid 5516] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5516] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5516] close(3) = 0
[pid 5516] close(4) = 0
[pid 5516] close(5) = -1 EBADF (Bad file descriptor)
[pid 5516] close(6) = -1 EBADF (Bad file descriptor)
[pid 5516] close(7) = -1 EBADF (Bad file descriptor)
[pid 5516] close(8) = -1 EBADF (Bad file descriptor)
[pid 5516] close(9) = -1 EBADF (Bad file descriptor)
[pid 5516] close(10) = -1 EBADF (Bad file descriptor)
[pid 5516] close(11) = -1 EBADF (Bad file descriptor)
[pid 5516] close(12) = -1 EBADF (Bad file descriptor)
[pid 5516] close(13) = -1 EBADF (Bad file descriptor)
[pid 5516] close(14) = -1 EBADF (Bad file descriptor)
[pid 5516] close(15) = -1 EBADF (Bad file descriptor)
[pid 5516] close(16) = -1 EBADF (Bad file descriptor)
[pid 5516] close(17) = -1 EBADF (Bad file descriptor)
[pid 5516] close(18) = -1 EBADF (Bad file descriptor)
[pid 5516] close(19) = -1 EBADF (Bad file descriptor)
[pid 5516] close(20) = -1 EBADF (Bad file descriptor)
[pid 5516] close(21) = -1 EBADF (Bad file descriptor)
[pid 5516] close(22) = -1 EBADF (Bad file descriptor)
[pid 5516] close(23) = -1 EBADF (Bad file descriptor)
[pid 5516] close(24) = -1 EBADF (Bad file descriptor)
[pid 5516] close(25) = -1 EBADF (Bad file descriptor)
[pid 5516] close(26) = -1 EBADF (Bad file descriptor)
[pid 5516] close(27) = -1 EBADF (Bad file descriptor)
[pid 5516] close(28) = -1 EBADF (Bad file descriptor)
[pid 5516] close(29) = -1 EBADF (Bad file descriptor)
[pid 5516] exit_group(0) = ?
[pid 5516] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./514", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./514", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./514/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./514/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./514/cgroup.cpu") = 0
[pid 5000] umount2("./514/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./514/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./514/binderfs") = 0
[pid 5000] umount2("./514/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./514/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./514/cgroup") = 0
[pid 5000] umount2("./514/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./514/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./514/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./514") = 0
[pid 5000] mkdir("./515", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5517 attached
<unfinished ...>
[pid 5517] chdir("./515") = 0
[pid 5517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5517] setpgid(0, 0) = 0
[pid 5517] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 517
[pid 5517] <... symlink resumed>) = 0
[pid 5517] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5517] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5517] write(3, "1000", 4) = 4
[pid 5517] close(3) = 0
[pid 5517] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5517] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5517] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5517] openat(3, "freezer.state", O_RDWR) = 4
[pid 5517] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5517] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5517] close(3) = 0
[pid 5517] close(4) = 0
[pid 5517] close(5) = -1 EBADF (Bad file descriptor)
[pid 5517] close(6) = -1 EBADF (Bad file descriptor)
[pid 5517] close(7) = -1 EBADF (Bad file descriptor)
[pid 5517] close(8) = -1 EBADF (Bad file descriptor)
[pid 5517] close(9) = -1 EBADF (Bad file descriptor)
[pid 5517] close(10) = -1 EBADF (Bad file descriptor)
[pid 5517] close(11) = -1 EBADF (Bad file descriptor)
[pid 5517] close(12) = -1 EBADF (Bad file descriptor)
[pid 5517] close(13) = -1 EBADF (Bad file descriptor)
[pid 5517] close(14) = -1 EBADF (Bad file descriptor)
[pid 5517] close(15) = -1 EBADF (Bad file descriptor)
[pid 5517] close(16) = -1 EBADF (Bad file descriptor)
[pid 5517] close(17) = -1 EBADF (Bad file descriptor)
[pid 5517] close(18) = -1 EBADF (Bad file descriptor)
[pid 5517] close(19) = -1 EBADF (Bad file descriptor)
[pid 5517] close(20) = -1 EBADF (Bad file descriptor)
[pid 5517] close(21) = -1 EBADF (Bad file descriptor)
[pid 5517] close(22) = -1 EBADF (Bad file descriptor)
[pid 5517] close(23) = -1 EBADF (Bad file descriptor)
[pid 5517] close(24) = -1 EBADF (Bad file descriptor)
[pid 5517] close(25) = -1 EBADF (Bad file descriptor)
[pid 5517] close(26) = -1 EBADF (Bad file descriptor)
[pid 5517] close(27) = -1 EBADF (Bad file descriptor)
[pid 5517] close(28) = -1 EBADF (Bad file descriptor)
[pid 5517] close(29) = -1 EBADF (Bad file descriptor)
[pid 5517] exit_group(0) = ?
[pid 5517] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./515", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./515", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./515/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./515/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./515/cgroup.cpu") = 0
[pid 5000] umount2("./515/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./515/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./515/binderfs") = 0
[pid 5000] umount2("./515/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./515/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./515/cgroup") = 0
[pid 5000] umount2("./515/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./515/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./515/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./515") = 0
[pid 5000] mkdir("./516", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5518 attached
<unfinished ...>
[pid 5518] chdir("./516") = 0
[pid 5518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5518] setpgid(0, 0) = 0
[pid 5518] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 518
[pid 5518] <... symlink resumed>) = 0
[pid 5518] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5518] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5518] write(3, "1000", 4) = 4
[pid 5518] close(3) = 0
[pid 5518] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5518] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5518] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5518] openat(3, "freezer.state", O_RDWR) = 4
[pid 5518] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5518] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5518] close(3) = 0
[pid 5518] close(4) = 0
[pid 5518] close(5) = -1 EBADF (Bad file descriptor)
[pid 5518] close(6) = -1 EBADF (Bad file descriptor)
[pid 5518] close(7) = -1 EBADF (Bad file descriptor)
[pid 5518] close(8) = -1 EBADF (Bad file descriptor)
[pid 5518] close(9) = -1 EBADF (Bad file descriptor)
[pid 5518] close(10) = -1 EBADF (Bad file descriptor)
[pid 5518] close(11) = -1 EBADF (Bad file descriptor)
[pid 5518] close(12) = -1 EBADF (Bad file descriptor)
[pid 5518] close(13) = -1 EBADF (Bad file descriptor)
[pid 5518] close(14) = -1 EBADF (Bad file descriptor)
[pid 5518] close(15) = -1 EBADF (Bad file descriptor)
[pid 5518] close(16) = -1 EBADF (Bad file descriptor)
[pid 5518] close(17) = -1 EBADF (Bad file descriptor)
[pid 5518] close(18) = -1 EBADF (Bad file descriptor)
[pid 5518] close(19) = -1 EBADF (Bad file descriptor)
[pid 5518] close(20) = -1 EBADF (Bad file descriptor)
[pid 5518] close(21) = -1 EBADF (Bad file descriptor)
[pid 5518] close(22) = -1 EBADF (Bad file descriptor)
[pid 5518] close(23) = -1 EBADF (Bad file descriptor)
[pid 5518] close(24) = -1 EBADF (Bad file descriptor)
[pid 5518] close(25) = -1 EBADF (Bad file descriptor)
[pid 5518] close(26) = -1 EBADF (Bad file descriptor)
[pid 5518] close(27) = -1 EBADF (Bad file descriptor)
[pid 5518] close(28) = -1 EBADF (Bad file descriptor)
[pid 5518] close(29) = -1 EBADF (Bad file descriptor)
[pid 5518] exit_group(0) = ?
[pid 5518] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./516", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./516", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./516/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./516/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./516/cgroup.cpu") = 0
[pid 5000] umount2("./516/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./516/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./516/binderfs") = 0
[pid 5000] umount2("./516/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./516/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./516/cgroup") = 0
[pid 5000] umount2("./516/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./516/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./516/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./516") = 0
[pid 5000] mkdir("./517", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5519 attached
<unfinished ...>
[pid 5519] chdir("./517") = 0
[pid 5519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5519] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 519
[pid 5519] <... setpgid resumed>) = 0
[pid 5519] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5519] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5519] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5519] write(3, "1000", 4) = 4
[pid 5519] close(3) = 0
[pid 5519] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5519] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5519] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5519] openat(3, "freezer.state", O_RDWR) = 4
[pid 5519] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5519] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5519] close(3) = 0
[pid 5519] close(4) = 0
[pid 5519] close(5) = -1 EBADF (Bad file descriptor)
[pid 5519] close(6) = -1 EBADF (Bad file descriptor)
[pid 5519] close(7) = -1 EBADF (Bad file descriptor)
[pid 5519] close(8) = -1 EBADF (Bad file descriptor)
[pid 5519] close(9) = -1 EBADF (Bad file descriptor)
[pid 5519] close(10) = -1 EBADF (Bad file descriptor)
[pid 5519] close(11) = -1 EBADF (Bad file descriptor)
[pid 5519] close(12) = -1 EBADF (Bad file descriptor)
[pid 5519] close(13) = -1 EBADF (Bad file descriptor)
[pid 5519] close(14) = -1 EBADF (Bad file descriptor)
[pid 5519] close(15) = -1 EBADF (Bad file descriptor)
[pid 5519] close(16) = -1 EBADF (Bad file descriptor)
[pid 5519] close(17) = -1 EBADF (Bad file descriptor)
[pid 5519] close(18) = -1 EBADF (Bad file descriptor)
[pid 5519] close(19) = -1 EBADF (Bad file descriptor)
[pid 5519] close(20) = -1 EBADF (Bad file descriptor)
[pid 5519] close(21) = -1 EBADF (Bad file descriptor)
[pid 5519] close(22) = -1 EBADF (Bad file descriptor)
[pid 5519] close(23) = -1 EBADF (Bad file descriptor)
[pid 5519] close(24) = -1 EBADF (Bad file descriptor)
[pid 5519] close(25) = -1 EBADF (Bad file descriptor)
[pid 5519] close(26) = -1 EBADF (Bad file descriptor)
[pid 5519] close(27) = -1 EBADF (Bad file descriptor)
[pid 5519] close(28) = -1 EBADF (Bad file descriptor)
[pid 5519] close(29) = -1 EBADF (Bad file descriptor)
[pid 5519] exit_group(0) = ?
[pid 5519] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./517", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./517", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./517/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./517/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./517/cgroup.cpu") = 0
[pid 5000] umount2("./517/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./517/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./517/binderfs") = 0
[pid 5000] umount2("./517/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./517/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./517/cgroup") = 0
[pid 5000] umount2("./517/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./517/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./517/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./517") = 0
[pid 5000] mkdir("./518", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5520 attached
<unfinished ...>
[pid 5520] chdir("./518") = 0
[pid 5520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5520] setpgid(0, 0) = 0
[pid 5520] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 520
[pid 5520] <... symlink resumed>) = 0
[pid 5520] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5520] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5520] write(3, "1000", 4) = 4
[pid 5520] close(3) = 0
[pid 5520] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5520] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5520] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5520] openat(3, "freezer.state", O_RDWR) = 4
[pid 5520] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5520] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5520] close(3) = 0
[pid 5520] close(4) = 0
[pid 5520] close(5) = -1 EBADF (Bad file descriptor)
[pid 5520] close(6) = -1 EBADF (Bad file descriptor)
[pid 5520] close(7) = -1 EBADF (Bad file descriptor)
[pid 5520] close(8) = -1 EBADF (Bad file descriptor)
[pid 5520] close(9) = -1 EBADF (Bad file descriptor)
[pid 5520] close(10) = -1 EBADF (Bad file descriptor)
[pid 5520] close(11) = -1 EBADF (Bad file descriptor)
[pid 5520] close(12) = -1 EBADF (Bad file descriptor)
[pid 5520] close(13) = -1 EBADF (Bad file descriptor)
[pid 5520] close(14) = -1 EBADF (Bad file descriptor)
[pid 5520] close(15) = -1 EBADF (Bad file descriptor)
[pid 5520] close(16) = -1 EBADF (Bad file descriptor)
[pid 5520] close(17) = -1 EBADF (Bad file descriptor)
[pid 5520] close(18) = -1 EBADF (Bad file descriptor)
[pid 5520] close(19) = -1 EBADF (Bad file descriptor)
[pid 5520] close(20) = -1 EBADF (Bad file descriptor)
[pid 5520] close(21) = -1 EBADF (Bad file descriptor)
[pid 5520] close(22) = -1 EBADF (Bad file descriptor)
[pid 5520] close(23) = -1 EBADF (Bad file descriptor)
[pid 5520] close(24) = -1 EBADF (Bad file descriptor)
[pid 5520] close(25) = -1 EBADF (Bad file descriptor)
[pid 5520] close(26) = -1 EBADF (Bad file descriptor)
[pid 5520] close(27) = -1 EBADF (Bad file descriptor)
[pid 5520] close(28) = -1 EBADF (Bad file descriptor)
[pid 5520] close(29) = -1 EBADF (Bad file descriptor)
[pid 5520] exit_group(0) = ?
[pid 5520] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./518", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./518", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./518/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./518/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./518/cgroup.cpu") = 0
[pid 5000] umount2("./518/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./518/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./518/binderfs") = 0
[pid 5000] umount2("./518/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./518/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./518/cgroup") = 0
[pid 5000] umount2("./518/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./518/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./518/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./518") = 0
[pid 5000] mkdir("./519", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5521 attached
<unfinished ...>
[pid 5521] chdir("./519") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 521
[pid 5521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5521] setpgid(0, 0) = 0
[pid 5521] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5521] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5521] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5521] write(3, "1000", 4) = 4
[pid 5521] close(3) = 0
[pid 5521] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5521] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5521] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5521] openat(3, "freezer.state", O_RDWR) = 4
[pid 5521] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5521] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5521] close(3) = 0
[pid 5521] close(4) = 0
[pid 5521] close(5) = -1 EBADF (Bad file descriptor)
[pid 5521] close(6) = -1 EBADF (Bad file descriptor)
[pid 5521] close(7) = -1 EBADF (Bad file descriptor)
[pid 5521] close(8) = -1 EBADF (Bad file descriptor)
[pid 5521] close(9) = -1 EBADF (Bad file descriptor)
[pid 5521] close(10) = -1 EBADF (Bad file descriptor)
[pid 5521] close(11) = -1 EBADF (Bad file descriptor)
[pid 5521] close(12) = -1 EBADF (Bad file descriptor)
[pid 5521] close(13) = -1 EBADF (Bad file descriptor)
[pid 5521] close(14) = -1 EBADF (Bad file descriptor)
[pid 5521] close(15) = -1 EBADF (Bad file descriptor)
[pid 5521] close(16) = -1 EBADF (Bad file descriptor)
[pid 5521] close(17) = -1 EBADF (Bad file descriptor)
[pid 5521] close(18) = -1 EBADF (Bad file descriptor)
[pid 5521] close(19) = -1 EBADF (Bad file descriptor)
[pid 5521] close(20) = -1 EBADF (Bad file descriptor)
[pid 5521] close(21) = -1 EBADF (Bad file descriptor)
[pid 5521] close(22) = -1 EBADF (Bad file descriptor)
[pid 5521] close(23) = -1 EBADF (Bad file descriptor)
[pid 5521] close(24) = -1 EBADF (Bad file descriptor)
[pid 5521] close(25) = -1 EBADF (Bad file descriptor)
[pid 5521] close(26) = -1 EBADF (Bad file descriptor)
[pid 5521] close(27) = -1 EBADF (Bad file descriptor)
[pid 5521] close(28) = -1 EBADF (Bad file descriptor)
[pid 5521] close(29) = -1 EBADF (Bad file descriptor)
[pid 5521] exit_group(0) = ?
[pid 5521] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./519", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./519", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./519/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./519/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./519/cgroup.cpu") = 0
[pid 5000] umount2("./519/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./519/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./519/binderfs") = 0
[pid 5000] umount2("./519/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./519/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./519/cgroup") = 0
[pid 5000] umount2("./519/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./519/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./519/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./519") = 0
[pid 5000] mkdir("./520", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5522 attached
<unfinished ...>
[pid 5522] chdir("./520") = 0
[pid 5522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 522
[pid 5522] setpgid(0, 0) = 0
[pid 5522] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5522] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5522] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5522] write(3, "1000", 4) = 4
[pid 5522] close(3) = 0
[pid 5522] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5522] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5522] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5522] openat(3, "freezer.state", O_RDWR) = 4
[pid 5522] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5522] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5522] close(3) = 0
[pid 5522] close(4) = 0
[pid 5522] close(5) = -1 EBADF (Bad file descriptor)
[pid 5522] close(6) = -1 EBADF (Bad file descriptor)
[pid 5522] close(7) = -1 EBADF (Bad file descriptor)
[pid 5522] close(8) = -1 EBADF (Bad file descriptor)
[pid 5522] close(9) = -1 EBADF (Bad file descriptor)
[pid 5522] close(10) = -1 EBADF (Bad file descriptor)
[pid 5522] close(11) = -1 EBADF (Bad file descriptor)
[pid 5522] close(12) = -1 EBADF (Bad file descriptor)
[pid 5522] close(13) = -1 EBADF (Bad file descriptor)
[pid 5522] close(14) = -1 EBADF (Bad file descriptor)
[pid 5522] close(15) = -1 EBADF (Bad file descriptor)
[pid 5522] close(16) = -1 EBADF (Bad file descriptor)
[pid 5522] close(17) = -1 EBADF (Bad file descriptor)
[pid 5522] close(18) = -1 EBADF (Bad file descriptor)
[pid 5522] close(19) = -1 EBADF (Bad file descriptor)
[pid 5522] close(20) = -1 EBADF (Bad file descriptor)
[pid 5522] close(21) = -1 EBADF (Bad file descriptor)
[pid 5522] close(22) = -1 EBADF (Bad file descriptor)
[pid 5522] close(23) = -1 EBADF (Bad file descriptor)
[pid 5522] close(24) = -1 EBADF (Bad file descriptor)
[pid 5522] close(25) = -1 EBADF (Bad file descriptor)
[pid 5522] close(26) = -1 EBADF (Bad file descriptor)
[pid 5522] close(27) = -1 EBADF (Bad file descriptor)
[pid 5522] close(28) = -1 EBADF (Bad file descriptor)
[pid 5522] close(29) = -1 EBADF (Bad file descriptor)
[pid 5522] exit_group(0) = ?
[pid 5522] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./520", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./520", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./520/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./520/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./520/cgroup.cpu") = 0
[pid 5000] umount2("./520/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./520/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./520/binderfs") = 0
[pid 5000] umount2("./520/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./520/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./520/cgroup") = 0
[pid 5000] umount2("./520/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./520/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./520/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./520") = 0
[pid 5000] mkdir("./521", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5523 attached
<unfinished ...>
[pid 5523] chdir("./521") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 523
[pid 5523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5523] setpgid(0, 0) = 0
[pid 5523] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5523] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5523] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5523] write(3, "1000", 4) = 4
[pid 5523] close(3) = 0
[pid 5523] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5523] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5523] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5523] openat(3, "freezer.state", O_RDWR) = 4
[pid 5523] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5523] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5523] close(3) = 0
[pid 5523] close(4) = 0
[pid 5523] close(5) = -1 EBADF (Bad file descriptor)
[pid 5523] close(6) = -1 EBADF (Bad file descriptor)
[pid 5523] close(7) = -1 EBADF (Bad file descriptor)
[pid 5523] close(8) = -1 EBADF (Bad file descriptor)
[pid 5523] close(9) = -1 EBADF (Bad file descriptor)
[pid 5523] close(10) = -1 EBADF (Bad file descriptor)
[pid 5523] close(11) = -1 EBADF (Bad file descriptor)
[pid 5523] close(12) = -1 EBADF (Bad file descriptor)
[pid 5523] close(13) = -1 EBADF (Bad file descriptor)
[pid 5523] close(14) = -1 EBADF (Bad file descriptor)
[pid 5523] close(15) = -1 EBADF (Bad file descriptor)
[pid 5523] close(16) = -1 EBADF (Bad file descriptor)
[pid 5523] close(17) = -1 EBADF (Bad file descriptor)
[pid 5523] close(18) = -1 EBADF (Bad file descriptor)
[pid 5523] close(19) = -1 EBADF (Bad file descriptor)
[pid 5523] close(20) = -1 EBADF (Bad file descriptor)
[pid 5523] close(21) = -1 EBADF (Bad file descriptor)
[pid 5523] close(22) = -1 EBADF (Bad file descriptor)
[pid 5523] close(23) = -1 EBADF (Bad file descriptor)
[pid 5523] close(24) = -1 EBADF (Bad file descriptor)
[pid 5523] close(25) = -1 EBADF (Bad file descriptor)
[pid 5523] close(26) = -1 EBADF (Bad file descriptor)
[pid 5523] close(27) = -1 EBADF (Bad file descriptor)
[pid 5523] close(28) = -1 EBADF (Bad file descriptor)
[pid 5523] close(29) = -1 EBADF (Bad file descriptor)
[pid 5523] exit_group(0) = ?
[pid 5523] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./521", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./521", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./521/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./521/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./521/cgroup.cpu") = 0
[pid 5000] umount2("./521/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./521/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./521/binderfs") = 0
[pid 5000] umount2("./521/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./521/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./521/cgroup") = 0
[pid 5000] umount2("./521/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./521/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./521/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./521") = 0
[pid 5000] mkdir("./522", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5524 attached
<unfinished ...>
[pid 5524] chdir("./522") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 524
[pid 5524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5524] setpgid(0, 0) = 0
[pid 5524] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5524] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5524] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5524] write(3, "1000", 4) = 4
[pid 5524] close(3) = 0
[pid 5524] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5524] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5524] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5524] openat(3, "freezer.state", O_RDWR) = 4
[pid 5524] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5524] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5524] close(3) = 0
[pid 5524] close(4) = 0
[pid 5524] close(5) = -1 EBADF (Bad file descriptor)
[pid 5524] close(6) = -1 EBADF (Bad file descriptor)
[pid 5524] close(7) = -1 EBADF (Bad file descriptor)
[pid 5524] close(8) = -1 EBADF (Bad file descriptor)
[pid 5524] close(9) = -1 EBADF (Bad file descriptor)
[pid 5524] close(10) = -1 EBADF (Bad file descriptor)
[pid 5524] close(11) = -1 EBADF (Bad file descriptor)
[pid 5524] close(12) = -1 EBADF (Bad file descriptor)
[pid 5524] close(13) = -1 EBADF (Bad file descriptor)
[pid 5524] close(14) = -1 EBADF (Bad file descriptor)
[pid 5524] close(15) = -1 EBADF (Bad file descriptor)
[pid 5524] close(16) = -1 EBADF (Bad file descriptor)
[pid 5524] close(17) = -1 EBADF (Bad file descriptor)
[pid 5524] close(18) = -1 EBADF (Bad file descriptor)
[pid 5524] close(19) = -1 EBADF (Bad file descriptor)
[pid 5524] close(20) = -1 EBADF (Bad file descriptor)
[pid 5524] close(21) = -1 EBADF (Bad file descriptor)
[pid 5524] close(22) = -1 EBADF (Bad file descriptor)
[pid 5524] close(23) = -1 EBADF (Bad file descriptor)
[pid 5524] close(24) = -1 EBADF (Bad file descriptor)
[pid 5524] close(25) = -1 EBADF (Bad file descriptor)
[pid 5524] close(26) = -1 EBADF (Bad file descriptor)
[pid 5524] close(27) = -1 EBADF (Bad file descriptor)
[pid 5524] close(28) = -1 EBADF (Bad file descriptor)
[pid 5524] close(29) = -1 EBADF (Bad file descriptor)
[pid 5524] exit_group(0) = ?
[pid 5524] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./522", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./522", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./522/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./522/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./522/cgroup.cpu") = 0
[pid 5000] umount2("./522/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./522/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./522/binderfs") = 0
[pid 5000] umount2("./522/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./522/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./522/cgroup") = 0
[pid 5000] umount2("./522/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./522/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./522/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./522") = 0
[pid 5000] mkdir("./523", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5525 attached
<unfinished ...>
[pid 5525] chdir("./523" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 525
[pid 5525] <... chdir resumed>) = 0
[pid 5525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5525] setpgid(0, 0) = 0
[pid 5525] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5525] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5525] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5525] write(3, "1000", 4) = 4
[pid 5525] close(3) = 0
[pid 5525] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5525] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5525] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5525] openat(3, "freezer.state", O_RDWR) = 4
[pid 5525] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5525] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5525] close(3) = 0
[pid 5525] close(4) = 0
[pid 5525] close(5) = -1 EBADF (Bad file descriptor)
[pid 5525] close(6) = -1 EBADF (Bad file descriptor)
[pid 5525] close(7) = -1 EBADF (Bad file descriptor)
[pid 5525] close(8) = -1 EBADF (Bad file descriptor)
[pid 5525] close(9) = -1 EBADF (Bad file descriptor)
[pid 5525] close(10) = -1 EBADF (Bad file descriptor)
[pid 5525] close(11) = -1 EBADF (Bad file descriptor)
[pid 5525] close(12) = -1 EBADF (Bad file descriptor)
[pid 5525] close(13) = -1 EBADF (Bad file descriptor)
[pid 5525] close(14) = -1 EBADF (Bad file descriptor)
[pid 5525] close(15) = -1 EBADF (Bad file descriptor)
[pid 5525] close(16) = -1 EBADF (Bad file descriptor)
[pid 5525] close(17) = -1 EBADF (Bad file descriptor)
[pid 5525] close(18) = -1 EBADF (Bad file descriptor)
[pid 5525] close(19) = -1 EBADF (Bad file descriptor)
[pid 5525] close(20) = -1 EBADF (Bad file descriptor)
[pid 5525] close(21) = -1 EBADF (Bad file descriptor)
[pid 5525] close(22) = -1 EBADF (Bad file descriptor)
[pid 5525] close(23) = -1 EBADF (Bad file descriptor)
[pid 5525] close(24) = -1 EBADF (Bad file descriptor)
[pid 5525] close(25) = -1 EBADF (Bad file descriptor)
[pid 5525] close(26) = -1 EBADF (Bad file descriptor)
[pid 5525] close(27) = -1 EBADF (Bad file descriptor)
[pid 5525] close(28) = -1 EBADF (Bad file descriptor)
[pid 5525] close(29) = -1 EBADF (Bad file descriptor)
[pid 5525] exit_group(0) = ?
[pid 5525] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./523", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./523", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./523/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./523/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./523/cgroup.cpu") = 0
[pid 5000] umount2("./523/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./523/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./523/binderfs") = 0
[pid 5000] umount2("./523/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./523/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./523/cgroup") = 0
[pid 5000] umount2("./523/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./523/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./523/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./523") = 0
[pid 5000] mkdir("./524", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5526 attached
<unfinished ...>
[pid 5526] chdir("./524") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 526
[pid 5526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5526] setpgid(0, 0) = 0
[pid 5526] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5526] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5526] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5526] write(3, "1000", 4) = 4
[pid 5526] close(3) = 0
[pid 5526] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5526] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5526] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5526] openat(3, "freezer.state", O_RDWR) = 4
[pid 5526] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5526] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5526] close(3) = 0
[pid 5526] close(4) = 0
[pid 5526] close(5) = -1 EBADF (Bad file descriptor)
[pid 5526] close(6) = -1 EBADF (Bad file descriptor)
[pid 5526] close(7) = -1 EBADF (Bad file descriptor)
[pid 5526] close(8) = -1 EBADF (Bad file descriptor)
[pid 5526] close(9) = -1 EBADF (Bad file descriptor)
[pid 5526] close(10) = -1 EBADF (Bad file descriptor)
[pid 5526] close(11) = -1 EBADF (Bad file descriptor)
[pid 5526] close(12) = -1 EBADF (Bad file descriptor)
[pid 5526] close(13) = -1 EBADF (Bad file descriptor)
[pid 5526] close(14) = -1 EBADF (Bad file descriptor)
[pid 5526] close(15) = -1 EBADF (Bad file descriptor)
[pid 5526] close(16) = -1 EBADF (Bad file descriptor)
[pid 5526] close(17) = -1 EBADF (Bad file descriptor)
[pid 5526] close(18) = -1 EBADF (Bad file descriptor)
[pid 5526] close(19) = -1 EBADF (Bad file descriptor)
[pid 5526] close(20) = -1 EBADF (Bad file descriptor)
[pid 5526] close(21) = -1 EBADF (Bad file descriptor)
[pid 5526] close(22) = -1 EBADF (Bad file descriptor)
[pid 5526] close(23) = -1 EBADF (Bad file descriptor)
[pid 5526] close(24) = -1 EBADF (Bad file descriptor)
[pid 5526] close(25) = -1 EBADF (Bad file descriptor)
[pid 5526] close(26) = -1 EBADF (Bad file descriptor)
[pid 5526] close(27) = -1 EBADF (Bad file descriptor)
[pid 5526] close(28) = -1 EBADF (Bad file descriptor)
[pid 5526] close(29) = -1 EBADF (Bad file descriptor)
[pid 5526] exit_group(0) = ?
[pid 5526] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./524", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./524", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./524/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./524/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./524/cgroup.cpu") = 0
[pid 5000] umount2("./524/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./524/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./524/binderfs") = 0
[pid 5000] umount2("./524/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./524/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./524/cgroup") = 0
[pid 5000] umount2("./524/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./524/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./524/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./524") = 0
[pid 5000] mkdir("./525", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 527
./strace-static-x86_64: Process 5527 attached
[pid 5527] chdir("./525") = 0
[pid 5527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5527] setpgid(0, 0) = 0
[pid 5527] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5527] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5527] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5527] write(3, "1000", 4) = 4
[pid 5527] close(3) = 0
[pid 5527] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5527] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5527] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5527] openat(3, "freezer.state", O_RDWR) = 4
[pid 5527] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5527] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5527] close(3) = 0
[pid 5527] close(4) = 0
[pid 5527] close(5) = -1 EBADF (Bad file descriptor)
[pid 5527] close(6) = -1 EBADF (Bad file descriptor)
[pid 5527] close(7) = -1 EBADF (Bad file descriptor)
[pid 5527] close(8) = -1 EBADF (Bad file descriptor)
[pid 5527] close(9) = -1 EBADF (Bad file descriptor)
[pid 5527] close(10) = -1 EBADF (Bad file descriptor)
[pid 5527] close(11) = -1 EBADF (Bad file descriptor)
[pid 5527] close(12) = -1 EBADF (Bad file descriptor)
[pid 5527] close(13) = -1 EBADF (Bad file descriptor)
[pid 5527] close(14) = -1 EBADF (Bad file descriptor)
[pid 5527] close(15) = -1 EBADF (Bad file descriptor)
[pid 5527] close(16) = -1 EBADF (Bad file descriptor)
[pid 5527] close(17) = -1 EBADF (Bad file descriptor)
[pid 5527] close(18) = -1 EBADF (Bad file descriptor)
[pid 5527] close(19) = -1 EBADF (Bad file descriptor)
[pid 5527] close(20) = -1 EBADF (Bad file descriptor)
[pid 5527] close(21) = -1 EBADF (Bad file descriptor)
[pid 5527] close(22) = -1 EBADF (Bad file descriptor)
[pid 5527] close(23) = -1 EBADF (Bad file descriptor)
[pid 5527] close(24) = -1 EBADF (Bad file descriptor)
[pid 5527] close(25) = -1 EBADF (Bad file descriptor)
[pid 5527] close(26) = -1 EBADF (Bad file descriptor)
[pid 5527] close(27) = -1 EBADF (Bad file descriptor)
[pid 5527] close(28) = -1 EBADF (Bad file descriptor)
[pid 5527] close(29) = -1 EBADF (Bad file descriptor)
[pid 5527] exit_group(0) = ?
[pid 5527] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./525", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./525", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./525/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./525/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./525/cgroup.cpu") = 0
[pid 5000] umount2("./525/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./525/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./525/binderfs") = 0
[pid 5000] umount2("./525/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./525/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./525/cgroup") = 0
[pid 5000] umount2("./525/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./525/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./525/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./525") = 0
[pid 5000] mkdir("./526", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5528 attached
<unfinished ...>
[pid 5528] chdir("./526") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 528
[pid 5528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5528] setpgid(0, 0) = 0
[pid 5528] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5528] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5528] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5528] write(3, "1000", 4) = 4
[pid 5528] close(3) = 0
[pid 5528] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5528] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5528] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5528] openat(3, "freezer.state", O_RDWR) = 4
[pid 5528] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5528] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5528] close(3) = 0
[pid 5528] close(4) = 0
[pid 5528] close(5) = -1 EBADF (Bad file descriptor)
[pid 5528] close(6) = -1 EBADF (Bad file descriptor)
[pid 5528] close(7) = -1 EBADF (Bad file descriptor)
[pid 5528] close(8) = -1 EBADF (Bad file descriptor)
[pid 5528] close(9) = -1 EBADF (Bad file descriptor)
[pid 5528] close(10) = -1 EBADF (Bad file descriptor)
[pid 5528] close(11) = -1 EBADF (Bad file descriptor)
[pid 5528] close(12) = -1 EBADF (Bad file descriptor)
[pid 5528] close(13) = -1 EBADF (Bad file descriptor)
[pid 5528] close(14) = -1 EBADF (Bad file descriptor)
[pid 5528] close(15) = -1 EBADF (Bad file descriptor)
[pid 5528] close(16) = -1 EBADF (Bad file descriptor)
[pid 5528] close(17) = -1 EBADF (Bad file descriptor)
[pid 5528] close(18) = -1 EBADF (Bad file descriptor)
[pid 5528] close(19) = -1 EBADF (Bad file descriptor)
[pid 5528] close(20) = -1 EBADF (Bad file descriptor)
[pid 5528] close(21) = -1 EBADF (Bad file descriptor)
[pid 5528] close(22) = -1 EBADF (Bad file descriptor)
[pid 5528] close(23) = -1 EBADF (Bad file descriptor)
[pid 5528] close(24) = -1 EBADF (Bad file descriptor)
[pid 5528] close(25) = -1 EBADF (Bad file descriptor)
[pid 5528] close(26) = -1 EBADF (Bad file descriptor)
[pid 5528] close(27) = -1 EBADF (Bad file descriptor)
[pid 5528] close(28) = -1 EBADF (Bad file descriptor)
[pid 5528] close(29) = -1 EBADF (Bad file descriptor)
[pid 5528] exit_group(0) = ?
[pid 5528] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./526", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./526", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./526/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./526/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./526/cgroup.cpu") = 0
[pid 5000] umount2("./526/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./526/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./526/binderfs") = 0
[pid 5000] umount2("./526/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./526/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./526/cgroup") = 0
[pid 5000] umount2("./526/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./526/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./526/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./526") = 0
[pid 5000] mkdir("./527", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5529 attached
<unfinished ...>
[pid 5529] chdir("./527") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 529
[pid 5529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5529] setpgid(0, 0) = 0
[pid 5529] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5529] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5529] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5529] write(3, "1000", 4) = 4
[pid 5529] close(3) = 0
[pid 5529] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5529] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5529] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5529] openat(3, "freezer.state", O_RDWR) = 4
[pid 5529] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5529] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5529] close(3) = 0
[pid 5529] close(4) = 0
[pid 5529] close(5) = -1 EBADF (Bad file descriptor)
[pid 5529] close(6) = -1 EBADF (Bad file descriptor)
[pid 5529] close(7) = -1 EBADF (Bad file descriptor)
[pid 5529] close(8) = -1 EBADF (Bad file descriptor)
[pid 5529] close(9) = -1 EBADF (Bad file descriptor)
[pid 5529] close(10) = -1 EBADF (Bad file descriptor)
[pid 5529] close(11) = -1 EBADF (Bad file descriptor)
[pid 5529] close(12) = -1 EBADF (Bad file descriptor)
[pid 5529] close(13) = -1 EBADF (Bad file descriptor)
[pid 5529] close(14) = -1 EBADF (Bad file descriptor)
[pid 5529] close(15) = -1 EBADF (Bad file descriptor)
[pid 5529] close(16) = -1 EBADF (Bad file descriptor)
[pid 5529] close(17) = -1 EBADF (Bad file descriptor)
[pid 5529] close(18) = -1 EBADF (Bad file descriptor)
[pid 5529] close(19) = -1 EBADF (Bad file descriptor)
[pid 5529] close(20) = -1 EBADF (Bad file descriptor)
[pid 5529] close(21) = -1 EBADF (Bad file descriptor)
[pid 5529] close(22) = -1 EBADF (Bad file descriptor)
[pid 5529] close(23) = -1 EBADF (Bad file descriptor)
[pid 5529] close(24) = -1 EBADF (Bad file descriptor)
[pid 5529] close(25) = -1 EBADF (Bad file descriptor)
[pid 5529] close(26) = -1 EBADF (Bad file descriptor)
[pid 5529] close(27) = -1 EBADF (Bad file descriptor)
[pid 5529] close(28) = -1 EBADF (Bad file descriptor)
[pid 5529] close(29) = -1 EBADF (Bad file descriptor)
[pid 5529] exit_group(0) = ?
[pid 5529] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./527", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./527", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./527/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./527/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./527/cgroup.cpu") = 0
[pid 5000] umount2("./527/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./527/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./527/binderfs") = 0
[pid 5000] umount2("./527/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./527/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./527/cgroup") = 0
[pid 5000] umount2("./527/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./527/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./527/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./527") = 0
[pid 5000] mkdir("./528", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5530 attached
<unfinished ...>
[pid 5530] chdir("./528" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 530
[pid 5530] <... chdir resumed>) = 0
[pid 5530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5530] setpgid(0, 0) = 0
[pid 5530] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5530] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5530] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5530] write(3, "1000", 4) = 4
[pid 5530] close(3) = 0
[pid 5530] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5530] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5530] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5530] openat(3, "freezer.state", O_RDWR) = 4
[pid 5530] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5530] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5530] close(3) = 0
[pid 5530] close(4) = 0
[pid 5530] close(5) = -1 EBADF (Bad file descriptor)
[pid 5530] close(6) = -1 EBADF (Bad file descriptor)
[pid 5530] close(7) = -1 EBADF (Bad file descriptor)
[pid 5530] close(8) = -1 EBADF (Bad file descriptor)
[pid 5530] close(9) = -1 EBADF (Bad file descriptor)
[pid 5530] close(10) = -1 EBADF (Bad file descriptor)
[pid 5530] close(11) = -1 EBADF (Bad file descriptor)
[pid 5530] close(12) = -1 EBADF (Bad file descriptor)
[pid 5530] close(13) = -1 EBADF (Bad file descriptor)
[pid 5530] close(14) = -1 EBADF (Bad file descriptor)
[pid 5530] close(15) = -1 EBADF (Bad file descriptor)
[pid 5530] close(16) = -1 EBADF (Bad file descriptor)
[pid 5530] close(17) = -1 EBADF (Bad file descriptor)
[pid 5530] close(18) = -1 EBADF (Bad file descriptor)
[pid 5530] close(19) = -1 EBADF (Bad file descriptor)
[pid 5530] close(20) = -1 EBADF (Bad file descriptor)
[pid 5530] close(21) = -1 EBADF (Bad file descriptor)
[pid 5530] close(22) = -1 EBADF (Bad file descriptor)
[pid 5530] close(23) = -1 EBADF (Bad file descriptor)
[pid 5530] close(24) = -1 EBADF (Bad file descriptor)
[pid 5530] close(25) = -1 EBADF (Bad file descriptor)
[pid 5530] close(26) = -1 EBADF (Bad file descriptor)
[pid 5530] close(27) = -1 EBADF (Bad file descriptor)
[pid 5530] close(28) = -1 EBADF (Bad file descriptor)
[pid 5530] close(29) = -1 EBADF (Bad file descriptor)
[pid 5530] exit_group(0) = ?
[pid 5530] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./528", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./528", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./528/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./528/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./528/cgroup.cpu") = 0
[pid 5000] umount2("./528/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./528/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./528/binderfs") = 0
[pid 5000] umount2("./528/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./528/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./528/cgroup") = 0
[pid 5000] umount2("./528/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./528/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./528/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./528") = 0
[pid 5000] mkdir("./529", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5531 attached
<unfinished ...>
[pid 5531] chdir("./529") = 0
[pid 5531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5531] setpgid(0, 0) = 0
[pid 5531] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 531
[pid 5531] <... symlink resumed>) = 0
[pid 5531] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5531] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5531] write(3, "1000", 4) = 4
[pid 5531] close(3) = 0
[pid 5531] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5531] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5531] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5531] openat(3, "freezer.state", O_RDWR) = 4
[pid 5531] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5531] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5531] close(3) = 0
[pid 5531] close(4) = 0
[pid 5531] close(5) = -1 EBADF (Bad file descriptor)
[pid 5531] close(6) = -1 EBADF (Bad file descriptor)
[pid 5531] close(7) = -1 EBADF (Bad file descriptor)
[pid 5531] close(8) = -1 EBADF (Bad file descriptor)
[pid 5531] close(9) = -1 EBADF (Bad file descriptor)
[pid 5531] close(10) = -1 EBADF (Bad file descriptor)
[pid 5531] close(11) = -1 EBADF (Bad file descriptor)
[pid 5531] close(12) = -1 EBADF (Bad file descriptor)
[pid 5531] close(13) = -1 EBADF (Bad file descriptor)
[pid 5531] close(14) = -1 EBADF (Bad file descriptor)
[pid 5531] close(15) = -1 EBADF (Bad file descriptor)
[pid 5531] close(16) = -1 EBADF (Bad file descriptor)
[pid 5531] close(17) = -1 EBADF (Bad file descriptor)
[pid 5531] close(18) = -1 EBADF (Bad file descriptor)
[pid 5531] close(19) = -1 EBADF (Bad file descriptor)
[pid 5531] close(20) = -1 EBADF (Bad file descriptor)
[pid 5531] close(21) = -1 EBADF (Bad file descriptor)
[pid 5531] close(22) = -1 EBADF (Bad file descriptor)
[pid 5531] close(23) = -1 EBADF (Bad file descriptor)
[pid 5531] close(24) = -1 EBADF (Bad file descriptor)
[pid 5531] close(25) = -1 EBADF (Bad file descriptor)
[pid 5531] close(26) = -1 EBADF (Bad file descriptor)
[pid 5531] close(27) = -1 EBADF (Bad file descriptor)
[pid 5531] close(28) = -1 EBADF (Bad file descriptor)
[pid 5531] close(29) = -1 EBADF (Bad file descriptor)
[pid 5531] exit_group(0) = ?
[pid 5531] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./529", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./529", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./529/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./529/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./529/cgroup.cpu") = 0
[pid 5000] umount2("./529/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./529/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./529/binderfs") = 0
[pid 5000] umount2("./529/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./529/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./529/cgroup") = 0
[pid 5000] umount2("./529/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./529/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./529/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./529") = 0
[pid 5000] mkdir("./530", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5532 attached
<unfinished ...>
[pid 5532] chdir("./530") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 532
[pid 5532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5532] setpgid(0, 0) = 0
[pid 5532] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5532] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5532] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5532] write(3, "1000", 4) = 4
[pid 5532] close(3) = 0
[pid 5532] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5532] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5532] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5532] openat(3, "freezer.state", O_RDWR) = 4
[pid 5532] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5532] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5532] close(3) = 0
[pid 5532] close(4) = 0
[pid 5532] close(5) = -1 EBADF (Bad file descriptor)
[pid 5532] close(6) = -1 EBADF (Bad file descriptor)
[pid 5532] close(7) = -1 EBADF (Bad file descriptor)
[pid 5532] close(8) = -1 EBADF (Bad file descriptor)
[pid 5532] close(9) = -1 EBADF (Bad file descriptor)
[pid 5532] close(10) = -1 EBADF (Bad file descriptor)
[pid 5532] close(11) = -1 EBADF (Bad file descriptor)
[pid 5532] close(12) = -1 EBADF (Bad file descriptor)
[pid 5532] close(13) = -1 EBADF (Bad file descriptor)
[pid 5532] close(14) = -1 EBADF (Bad file descriptor)
[pid 5532] close(15) = -1 EBADF (Bad file descriptor)
[pid 5532] close(16) = -1 EBADF (Bad file descriptor)
[pid 5532] close(17) = -1 EBADF (Bad file descriptor)
[pid 5532] close(18) = -1 EBADF (Bad file descriptor)
[pid 5532] close(19) = -1 EBADF (Bad file descriptor)
[pid 5532] close(20) = -1 EBADF (Bad file descriptor)
[pid 5532] close(21) = -1 EBADF (Bad file descriptor)
[pid 5532] close(22) = -1 EBADF (Bad file descriptor)
[pid 5532] close(23) = -1 EBADF (Bad file descriptor)
[pid 5532] close(24) = -1 EBADF (Bad file descriptor)
[pid 5532] close(25) = -1 EBADF (Bad file descriptor)
[pid 5532] close(26) = -1 EBADF (Bad file descriptor)
[pid 5532] close(27) = -1 EBADF (Bad file descriptor)
[pid 5532] close(28) = -1 EBADF (Bad file descriptor)
[pid 5532] close(29) = -1 EBADF (Bad file descriptor)
[pid 5532] exit_group(0) = ?
[pid 5532] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./530", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./530", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./530/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./530/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./530/cgroup.cpu") = 0
[pid 5000] umount2("./530/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./530/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./530/binderfs") = 0
[pid 5000] umount2("./530/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./530/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./530/cgroup") = 0
[pid 5000] umount2("./530/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./530/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./530/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./530") = 0
[pid 5000] mkdir("./531", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5533 attached
<unfinished ...>
[pid 5533] chdir("./531") = 0
[pid 5533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5533] setpgid(0, 0) = 0
[pid 5533] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 533
[pid 5533] <... symlink resumed>) = 0
[pid 5533] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5533] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5533] write(3, "1000", 4) = 4
[pid 5533] close(3) = 0
[pid 5533] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5533] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5533] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5533] openat(3, "freezer.state", O_RDWR) = 4
[pid 5533] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5533] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5533] close(3) = 0
[pid 5533] close(4) = 0
[pid 5533] close(5) = -1 EBADF (Bad file descriptor)
[pid 5533] close(6) = -1 EBADF (Bad file descriptor)
[pid 5533] close(7) = -1 EBADF (Bad file descriptor)
[pid 5533] close(8) = -1 EBADF (Bad file descriptor)
[pid 5533] close(9) = -1 EBADF (Bad file descriptor)
[pid 5533] close(10) = -1 EBADF (Bad file descriptor)
[pid 5533] close(11) = -1 EBADF (Bad file descriptor)
[pid 5533] close(12) = -1 EBADF (Bad file descriptor)
[pid 5533] close(13) = -1 EBADF (Bad file descriptor)
[pid 5533] close(14) = -1 EBADF (Bad file descriptor)
[pid 5533] close(15) = -1 EBADF (Bad file descriptor)
[pid 5533] close(16) = -1 EBADF (Bad file descriptor)
[pid 5533] close(17) = -1 EBADF (Bad file descriptor)
[pid 5533] close(18) = -1 EBADF (Bad file descriptor)
[pid 5533] close(19) = -1 EBADF (Bad file descriptor)
[pid 5533] close(20) = -1 EBADF (Bad file descriptor)
[pid 5533] close(21) = -1 EBADF (Bad file descriptor)
[pid 5533] close(22) = -1 EBADF (Bad file descriptor)
[pid 5533] close(23) = -1 EBADF (Bad file descriptor)
[pid 5533] close(24) = -1 EBADF (Bad file descriptor)
[pid 5533] close(25) = -1 EBADF (Bad file descriptor)
[pid 5533] close(26) = -1 EBADF (Bad file descriptor)
[pid 5533] close(27) = -1 EBADF (Bad file descriptor)
[pid 5533] close(28) = -1 EBADF (Bad file descriptor)
[pid 5533] close(29) = -1 EBADF (Bad file descriptor)
[pid 5533] exit_group(0) = ?
[pid 5533] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./531", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./531", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./531/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./531/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./531/cgroup.cpu") = 0
[pid 5000] umount2("./531/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./531/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./531/binderfs") = 0
[pid 5000] umount2("./531/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./531/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./531/cgroup") = 0
[pid 5000] umount2("./531/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./531/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./531/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./531") = 0
[pid 5000] mkdir("./532", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5534 attached
<unfinished ...>
[pid 5534] chdir("./532") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 534
[pid 5534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5534] setpgid(0, 0) = 0
[pid 5534] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5534] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5534] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5534] write(3, "1000", 4) = 4
[pid 5534] close(3) = 0
[pid 5534] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5534] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5534] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5534] openat(3, "freezer.state", O_RDWR) = 4
[pid 5534] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5534] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5534] close(3) = 0
[pid 5534] close(4) = 0
[pid 5534] close(5) = -1 EBADF (Bad file descriptor)
[pid 5534] close(6) = -1 EBADF (Bad file descriptor)
[pid 5534] close(7) = -1 EBADF (Bad file descriptor)
[pid 5534] close(8) = -1 EBADF (Bad file descriptor)
[pid 5534] close(9) = -1 EBADF (Bad file descriptor)
[pid 5534] close(10) = -1 EBADF (Bad file descriptor)
[pid 5534] close(11) = -1 EBADF (Bad file descriptor)
[pid 5534] close(12) = -1 EBADF (Bad file descriptor)
[pid 5534] close(13) = -1 EBADF (Bad file descriptor)
[pid 5534] close(14) = -1 EBADF (Bad file descriptor)
[pid 5534] close(15) = -1 EBADF (Bad file descriptor)
[pid 5534] close(16) = -1 EBADF (Bad file descriptor)
[pid 5534] close(17) = -1 EBADF (Bad file descriptor)
[pid 5534] close(18) = -1 EBADF (Bad file descriptor)
[pid 5534] close(19) = -1 EBADF (Bad file descriptor)
[pid 5534] close(20) = -1 EBADF (Bad file descriptor)
[pid 5534] close(21) = -1 EBADF (Bad file descriptor)
[pid 5534] close(22) = -1 EBADF (Bad file descriptor)
[pid 5534] close(23) = -1 EBADF (Bad file descriptor)
[pid 5534] close(24) = -1 EBADF (Bad file descriptor)
[pid 5534] close(25) = -1 EBADF (Bad file descriptor)
[pid 5534] close(26) = -1 EBADF (Bad file descriptor)
[pid 5534] close(27) = -1 EBADF (Bad file descriptor)
[pid 5534] close(28) = -1 EBADF (Bad file descriptor)
[pid 5534] close(29) = -1 EBADF (Bad file descriptor)
[pid 5534] exit_group(0) = ?
[pid 5534] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./532", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./532", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./532/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./532/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./532/cgroup.cpu") = 0
[pid 5000] umount2("./532/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./532/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./532/binderfs") = 0
[pid 5000] umount2("./532/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./532/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./532/cgroup") = 0
[pid 5000] umount2("./532/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./532/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./532/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./532") = 0
[pid 5000] mkdir("./533", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5535 attached
<unfinished ...>
[pid 5535] chdir("./533") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 535
[pid 5535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5535] setpgid(0, 0) = 0
[pid 5535] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5535] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5535] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5535] write(3, "1000", 4) = 4
[pid 5535] close(3) = 0
[pid 5535] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5535] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5535] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5535] openat(3, "freezer.state", O_RDWR) = 4
[pid 5535] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5535] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5535] close(3) = 0
[pid 5535] close(4) = 0
[pid 5535] close(5) = -1 EBADF (Bad file descriptor)
[pid 5535] close(6) = -1 EBADF (Bad file descriptor)
[pid 5535] close(7) = -1 EBADF (Bad file descriptor)
[pid 5535] close(8) = -1 EBADF (Bad file descriptor)
[pid 5535] close(9) = -1 EBADF (Bad file descriptor)
[pid 5535] close(10) = -1 EBADF (Bad file descriptor)
[pid 5535] close(11) = -1 EBADF (Bad file descriptor)
[pid 5535] close(12) = -1 EBADF (Bad file descriptor)
[pid 5535] close(13) = -1 EBADF (Bad file descriptor)
[pid 5535] close(14) = -1 EBADF (Bad file descriptor)
[pid 5535] close(15) = -1 EBADF (Bad file descriptor)
[pid 5535] close(16) = -1 EBADF (Bad file descriptor)
[pid 5535] close(17) = -1 EBADF (Bad file descriptor)
[pid 5535] close(18) = -1 EBADF (Bad file descriptor)
[pid 5535] close(19) = -1 EBADF (Bad file descriptor)
[pid 5535] close(20) = -1 EBADF (Bad file descriptor)
[pid 5535] close(21) = -1 EBADF (Bad file descriptor)
[pid 5535] close(22) = -1 EBADF (Bad file descriptor)
[pid 5535] close(23) = -1 EBADF (Bad file descriptor)
[pid 5535] close(24) = -1 EBADF (Bad file descriptor)
[pid 5535] close(25) = -1 EBADF (Bad file descriptor)
[pid 5535] close(26) = -1 EBADF (Bad file descriptor)
[pid 5535] close(27) = -1 EBADF (Bad file descriptor)
[pid 5535] close(28) = -1 EBADF (Bad file descriptor)
[pid 5535] close(29) = -1 EBADF (Bad file descriptor)
[pid 5535] exit_group(0) = ?
[pid 5535] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./533", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./533", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./533/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./533/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./533/cgroup.cpu") = 0
[pid 5000] umount2("./533/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./533/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./533/binderfs") = 0
[pid 5000] umount2("./533/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./533/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./533/cgroup") = 0
[pid 5000] umount2("./533/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./533/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./533/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./533") = 0
[pid 5000] mkdir("./534", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 536
./strace-static-x86_64: Process 5536 attached
[pid 5536] chdir("./534") = 0
[pid 5536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5536] setpgid(0, 0) = 0
[pid 5536] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5536] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5536] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5536] write(3, "1000", 4) = 4
[pid 5536] close(3) = 0
[pid 5536] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5536] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5536] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5536] openat(3, "freezer.state", O_RDWR) = 4
[pid 5536] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5536] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5536] close(3) = 0
[pid 5536] close(4) = 0
[pid 5536] close(5) = -1 EBADF (Bad file descriptor)
[pid 5536] close(6) = -1 EBADF (Bad file descriptor)
[pid 5536] close(7) = -1 EBADF (Bad file descriptor)
[pid 5536] close(8) = -1 EBADF (Bad file descriptor)
[pid 5536] close(9) = -1 EBADF (Bad file descriptor)
[pid 5536] close(10) = -1 EBADF (Bad file descriptor)
[pid 5536] close(11) = -1 EBADF (Bad file descriptor)
[pid 5536] close(12) = -1 EBADF (Bad file descriptor)
[pid 5536] close(13) = -1 EBADF (Bad file descriptor)
[pid 5536] close(14) = -1 EBADF (Bad file descriptor)
[pid 5536] close(15) = -1 EBADF (Bad file descriptor)
[pid 5536] close(16) = -1 EBADF (Bad file descriptor)
[pid 5536] close(17) = -1 EBADF (Bad file descriptor)
[pid 5536] close(18) = -1 EBADF (Bad file descriptor)
[pid 5536] close(19) = -1 EBADF (Bad file descriptor)
[pid 5536] close(20) = -1 EBADF (Bad file descriptor)
[pid 5536] close(21) = -1 EBADF (Bad file descriptor)
[pid 5536] close(22) = -1 EBADF (Bad file descriptor)
[pid 5536] close(23) = -1 EBADF (Bad file descriptor)
[pid 5536] close(24) = -1 EBADF (Bad file descriptor)
[pid 5536] close(25) = -1 EBADF (Bad file descriptor)
[pid 5536] close(26) = -1 EBADF (Bad file descriptor)
[pid 5536] close(27) = -1 EBADF (Bad file descriptor)
[pid 5536] close(28) = -1 EBADF (Bad file descriptor)
[pid 5536] close(29) = -1 EBADF (Bad file descriptor)
[pid 5536] exit_group(0) = ?
[pid 5536] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./534", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./534", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./534/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./534/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./534/cgroup.cpu") = 0
[pid 5000] umount2("./534/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./534/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./534/binderfs") = 0
[pid 5000] umount2("./534/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./534/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./534/cgroup") = 0
[pid 5000] umount2("./534/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./534/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./534/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./534") = 0
[pid 5000] mkdir("./535", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 537
./strace-static-x86_64: Process 5537 attached
[pid 5537] chdir("./535") = 0
[pid 5537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5537] setpgid(0, 0) = 0
[pid 5537] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5537] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5537] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5537] write(3, "1000", 4) = 4
[pid 5537] close(3) = 0
[pid 5537] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5537] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5537] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5537] openat(3, "freezer.state", O_RDWR) = 4
[pid 5537] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5537] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5537] close(3) = 0
[pid 5537] close(4) = 0
[pid 5537] close(5) = -1 EBADF (Bad file descriptor)
[pid 5537] close(6) = -1 EBADF (Bad file descriptor)
[pid 5537] close(7) = -1 EBADF (Bad file descriptor)
[pid 5537] close(8) = -1 EBADF (Bad file descriptor)
[pid 5537] close(9) = -1 EBADF (Bad file descriptor)
[pid 5537] close(10) = -1 EBADF (Bad file descriptor)
[pid 5537] close(11) = -1 EBADF (Bad file descriptor)
[pid 5537] close(12) = -1 EBADF (Bad file descriptor)
[pid 5537] close(13) = -1 EBADF (Bad file descriptor)
[pid 5537] close(14) = -1 EBADF (Bad file descriptor)
[pid 5537] close(15) = -1 EBADF (Bad file descriptor)
[pid 5537] close(16) = -1 EBADF (Bad file descriptor)
[pid 5537] close(17) = -1 EBADF (Bad file descriptor)
[pid 5537] close(18) = -1 EBADF (Bad file descriptor)
[pid 5537] close(19) = -1 EBADF (Bad file descriptor)
[pid 5537] close(20) = -1 EBADF (Bad file descriptor)
[pid 5537] close(21) = -1 EBADF (Bad file descriptor)
[pid 5537] close(22) = -1 EBADF (Bad file descriptor)
[pid 5537] close(23) = -1 EBADF (Bad file descriptor)
[pid 5537] close(24) = -1 EBADF (Bad file descriptor)
[pid 5537] close(25) = -1 EBADF (Bad file descriptor)
[pid 5537] close(26) = -1 EBADF (Bad file descriptor)
[pid 5537] close(27) = -1 EBADF (Bad file descriptor)
[pid 5537] close(28) = -1 EBADF (Bad file descriptor)
[pid 5537] close(29) = -1 EBADF (Bad file descriptor)
[pid 5537] exit_group(0) = ?
[pid 5537] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./535", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./535", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./535/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./535/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./535/cgroup.cpu") = 0
[pid 5000] umount2("./535/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./535/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./535/binderfs") = 0
[pid 5000] umount2("./535/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./535/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./535/cgroup") = 0
[pid 5000] umount2("./535/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./535/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./535/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./535") = 0
[pid 5000] mkdir("./536", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5538 attached
<unfinished ...>
[pid 5538] chdir("./536") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 538
[pid 5538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5538] setpgid(0, 0) = 0
[pid 5538] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5538] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5538] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5538] write(3, "1000", 4) = 4
[pid 5538] close(3) = 0
[pid 5538] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5538] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5538] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5538] openat(3, "freezer.state", O_RDWR) = 4
[pid 5538] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5538] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5538] close(3) = 0
[pid 5538] close(4) = 0
[pid 5538] close(5) = -1 EBADF (Bad file descriptor)
[pid 5538] close(6) = -1 EBADF (Bad file descriptor)
[pid 5538] close(7) = -1 EBADF (Bad file descriptor)
[pid 5538] close(8) = -1 EBADF (Bad file descriptor)
[pid 5538] close(9) = -1 EBADF (Bad file descriptor)
[pid 5538] close(10) = -1 EBADF (Bad file descriptor)
[pid 5538] close(11) = -1 EBADF (Bad file descriptor)
[pid 5538] close(12) = -1 EBADF (Bad file descriptor)
[pid 5538] close(13) = -1 EBADF (Bad file descriptor)
[pid 5538] close(14) = -1 EBADF (Bad file descriptor)
[pid 5538] close(15) = -1 EBADF (Bad file descriptor)
[pid 5538] close(16) = -1 EBADF (Bad file descriptor)
[pid 5538] close(17) = -1 EBADF (Bad file descriptor)
[pid 5538] close(18) = -1 EBADF (Bad file descriptor)
[pid 5538] close(19) = -1 EBADF (Bad file descriptor)
[pid 5538] close(20) = -1 EBADF (Bad file descriptor)
[pid 5538] close(21) = -1 EBADF (Bad file descriptor)
[pid 5538] close(22) = -1 EBADF (Bad file descriptor)
[pid 5538] close(23) = -1 EBADF (Bad file descriptor)
[pid 5538] close(24) = -1 EBADF (Bad file descriptor)
[pid 5538] close(25) = -1 EBADF (Bad file descriptor)
[pid 5538] close(26) = -1 EBADF (Bad file descriptor)
[pid 5538] close(27) = -1 EBADF (Bad file descriptor)
[pid 5538] close(28) = -1 EBADF (Bad file descriptor)
[pid 5538] close(29) = -1 EBADF (Bad file descriptor)
[pid 5538] exit_group(0) = ?
[pid 5538] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./536", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./536", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./536/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./536/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./536/cgroup.cpu") = 0
[pid 5000] umount2("./536/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./536/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./536/binderfs") = 0
[pid 5000] umount2("./536/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./536/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./536/cgroup") = 0
[pid 5000] umount2("./536/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./536/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./536/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./536") = 0
[pid 5000] mkdir("./537", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5539 attached
<unfinished ...>
[pid 5539] chdir("./537") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 539
[pid 5539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5539] setpgid(0, 0) = 0
[pid 5539] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5539] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5539] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5539] write(3, "1000", 4) = 4
[pid 5539] close(3) = 0
[pid 5539] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5539] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5539] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5539] openat(3, "freezer.state", O_RDWR) = 4
[pid 5539] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5539] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5539] close(3) = 0
[pid 5539] close(4) = 0
[pid 5539] close(5) = -1 EBADF (Bad file descriptor)
[pid 5539] close(6) = -1 EBADF (Bad file descriptor)
[pid 5539] close(7) = -1 EBADF (Bad file descriptor)
[pid 5539] close(8) = -1 EBADF (Bad file descriptor)
[pid 5539] close(9) = -1 EBADF (Bad file descriptor)
[pid 5539] close(10) = -1 EBADF (Bad file descriptor)
[pid 5539] close(11) = -1 EBADF (Bad file descriptor)
[pid 5539] close(12) = -1 EBADF (Bad file descriptor)
[pid 5539] close(13) = -1 EBADF (Bad file descriptor)
[pid 5539] close(14) = -1 EBADF (Bad file descriptor)
[pid 5539] close(15) = -1 EBADF (Bad file descriptor)
[pid 5539] close(16) = -1 EBADF (Bad file descriptor)
[pid 5539] close(17) = -1 EBADF (Bad file descriptor)
[pid 5539] close(18) = -1 EBADF (Bad file descriptor)
[pid 5539] close(19) = -1 EBADF (Bad file descriptor)
[pid 5539] close(20) = -1 EBADF (Bad file descriptor)
[pid 5539] close(21) = -1 EBADF (Bad file descriptor)
[pid 5539] close(22) = -1 EBADF (Bad file descriptor)
[pid 5539] close(23) = -1 EBADF (Bad file descriptor)
[pid 5539] close(24) = -1 EBADF (Bad file descriptor)
[pid 5539] close(25) = -1 EBADF (Bad file descriptor)
[pid 5539] close(26) = -1 EBADF (Bad file descriptor)
[pid 5539] close(27) = -1 EBADF (Bad file descriptor)
[pid 5539] close(28) = -1 EBADF (Bad file descriptor)
[pid 5539] close(29) = -1 EBADF (Bad file descriptor)
[pid 5539] exit_group(0) = ?
[pid 5539] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./537", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./537", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./537/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./537/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./537/cgroup.cpu") = 0
[pid 5000] umount2("./537/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./537/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./537/binderfs") = 0
[pid 5000] umount2("./537/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./537/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./537/cgroup") = 0
[pid 5000] umount2("./537/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./537/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./537/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./537") = 0
[pid 5000] mkdir("./538", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5540 attached
<unfinished ...>
[pid 5540] chdir("./538") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 540
[pid 5540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5540] setpgid(0, 0) = 0
[pid 5540] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5540] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5540] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5540] write(3, "1000", 4) = 4
[pid 5540] close(3) = 0
[pid 5540] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5540] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5540] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5540] openat(3, "freezer.state", O_RDWR) = 4
[pid 5540] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5540] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5540] close(3) = 0
[pid 5540] close(4) = 0
[pid 5540] close(5) = -1 EBADF (Bad file descriptor)
[pid 5540] close(6) = -1 EBADF (Bad file descriptor)
[pid 5540] close(7) = -1 EBADF (Bad file descriptor)
[pid 5540] close(8) = -1 EBADF (Bad file descriptor)
[pid 5540] close(9) = -1 EBADF (Bad file descriptor)
[pid 5540] close(10) = -1 EBADF (Bad file descriptor)
[pid 5540] close(11) = -1 EBADF (Bad file descriptor)
[pid 5540] close(12) = -1 EBADF (Bad file descriptor)
[pid 5540] close(13) = -1 EBADF (Bad file descriptor)
[pid 5540] close(14) = -1 EBADF (Bad file descriptor)
[pid 5540] close(15) = -1 EBADF (Bad file descriptor)
[pid 5540] close(16) = -1 EBADF (Bad file descriptor)
[pid 5540] close(17) = -1 EBADF (Bad file descriptor)
[pid 5540] close(18) = -1 EBADF (Bad file descriptor)
[pid 5540] close(19) = -1 EBADF (Bad file descriptor)
[pid 5540] close(20) = -1 EBADF (Bad file descriptor)
[pid 5540] close(21) = -1 EBADF (Bad file descriptor)
[pid 5540] close(22) = -1 EBADF (Bad file descriptor)
[pid 5540] close(23) = -1 EBADF (Bad file descriptor)
[pid 5540] close(24) = -1 EBADF (Bad file descriptor)
[pid 5540] close(25) = -1 EBADF (Bad file descriptor)
[pid 5540] close(26) = -1 EBADF (Bad file descriptor)
[pid 5540] close(27) = -1 EBADF (Bad file descriptor)
[pid 5540] close(28) = -1 EBADF (Bad file descriptor)
[pid 5540] close(29) = -1 EBADF (Bad file descriptor)
[pid 5540] exit_group(0) = ?
[pid 5540] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./538", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./538", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./538/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./538/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./538/cgroup.cpu") = 0
[pid 5000] umount2("./538/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./538/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./538/binderfs") = 0
[pid 5000] umount2("./538/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./538/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./538/cgroup") = 0
[pid 5000] umount2("./538/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./538/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./538/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./538") = 0
[pid 5000] mkdir("./539", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5541 attached
<unfinished ...>
[pid 5541] chdir("./539") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 541
[pid 5541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5541] setpgid(0, 0) = 0
[pid 5541] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5541] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5541] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5541] write(3, "1000", 4) = 4
[pid 5541] close(3) = 0
[pid 5541] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5541] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5541] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5541] openat(3, "freezer.state", O_RDWR) = 4
[pid 5541] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5541] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5541] close(3) = 0
[pid 5541] close(4) = 0
[pid 5541] close(5) = -1 EBADF (Bad file descriptor)
[pid 5541] close(6) = -1 EBADF (Bad file descriptor)
[pid 5541] close(7) = -1 EBADF (Bad file descriptor)
[pid 5541] close(8) = -1 EBADF (Bad file descriptor)
[pid 5541] close(9) = -1 EBADF (Bad file descriptor)
[pid 5541] close(10) = -1 EBADF (Bad file descriptor)
[pid 5541] close(11) = -1 EBADF (Bad file descriptor)
[pid 5541] close(12) = -1 EBADF (Bad file descriptor)
[pid 5541] close(13) = -1 EBADF (Bad file descriptor)
[pid 5541] close(14) = -1 EBADF (Bad file descriptor)
[pid 5541] close(15) = -1 EBADF (Bad file descriptor)
[pid 5541] close(16) = -1 EBADF (Bad file descriptor)
[pid 5541] close(17) = -1 EBADF (Bad file descriptor)
[pid 5541] close(18) = -1 EBADF (Bad file descriptor)
[pid 5541] close(19) = -1 EBADF (Bad file descriptor)
[pid 5541] close(20) = -1 EBADF (Bad file descriptor)
[pid 5541] close(21) = -1 EBADF (Bad file descriptor)
[pid 5541] close(22) = -1 EBADF (Bad file descriptor)
[pid 5541] close(23) = -1 EBADF (Bad file descriptor)
[pid 5541] close(24) = -1 EBADF (Bad file descriptor)
[pid 5541] close(25) = -1 EBADF (Bad file descriptor)
[pid 5541] close(26) = -1 EBADF (Bad file descriptor)
[pid 5541] close(27) = -1 EBADF (Bad file descriptor)
[pid 5541] close(28) = -1 EBADF (Bad file descriptor)
[pid 5541] close(29) = -1 EBADF (Bad file descriptor)
[pid 5541] exit_group(0) = ?
[pid 5541] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./539", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./539", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./539/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./539/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./539/cgroup.cpu") = 0
[pid 5000] umount2("./539/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./539/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./539/binderfs") = 0
[pid 5000] umount2("./539/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./539/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./539/cgroup") = 0
[pid 5000] umount2("./539/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./539/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./539/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./539") = 0
[pid 5000] mkdir("./540", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5542 attached
<unfinished ...>
[pid 5542] chdir("./540") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 542
[pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5542] setpgid(0, 0) = 0
[pid 5542] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5542] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5542] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5542] write(3, "1000", 4) = 4
[pid 5542] close(3) = 0
[pid 5542] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5542] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5542] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5542] openat(3, "freezer.state", O_RDWR) = 4
[pid 5542] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5542] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5542] close(3) = 0
[pid 5542] close(4) = 0
[pid 5542] close(5) = -1 EBADF (Bad file descriptor)
[pid 5542] close(6) = -1 EBADF (Bad file descriptor)
[pid 5542] close(7) = -1 EBADF (Bad file descriptor)
[pid 5542] close(8) = -1 EBADF (Bad file descriptor)
[pid 5542] close(9) = -1 EBADF (Bad file descriptor)
[pid 5542] close(10) = -1 EBADF (Bad file descriptor)
[pid 5542] close(11) = -1 EBADF (Bad file descriptor)
[pid 5542] close(12) = -1 EBADF (Bad file descriptor)
[pid 5542] close(13) = -1 EBADF (Bad file descriptor)
[pid 5542] close(14) = -1 EBADF (Bad file descriptor)
[pid 5542] close(15) = -1 EBADF (Bad file descriptor)
[pid 5542] close(16) = -1 EBADF (Bad file descriptor)
[pid 5542] close(17) = -1 EBADF (Bad file descriptor)
[pid 5542] close(18) = -1 EBADF (Bad file descriptor)
[pid 5542] close(19) = -1 EBADF (Bad file descriptor)
[pid 5542] close(20) = -1 EBADF (Bad file descriptor)
[pid 5542] close(21) = -1 EBADF (Bad file descriptor)
[pid 5542] close(22) = -1 EBADF (Bad file descriptor)
[pid 5542] close(23) = -1 EBADF (Bad file descriptor)
[pid 5542] close(24) = -1 EBADF (Bad file descriptor)
[pid 5542] close(25) = -1 EBADF (Bad file descriptor)
[pid 5542] close(26) = -1 EBADF (Bad file descriptor)
[pid 5542] close(27) = -1 EBADF (Bad file descriptor)
[pid 5542] close(28) = -1 EBADF (Bad file descriptor)
[pid 5542] close(29) = -1 EBADF (Bad file descriptor)
[pid 5542] exit_group(0) = ?
[pid 5542] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./540", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./540", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./540/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./540/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./540/cgroup.cpu") = 0
[pid 5000] umount2("./540/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./540/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./540/binderfs") = 0
[pid 5000] umount2("./540/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./540/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./540/cgroup") = 0
[pid 5000] umount2("./540/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./540/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./540/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./540") = 0
[pid 5000] mkdir("./541", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5543 attached
<unfinished ...>
[pid 5543] chdir("./541") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 543
[pid 5543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5543] setpgid(0, 0) = 0
[pid 5543] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5543] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5543] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5543] write(3, "1000", 4) = 4
[pid 5543] close(3) = 0
[pid 5543] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5543] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5543] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5543] openat(3, "freezer.state", O_RDWR) = 4
[pid 5543] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5543] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5543] close(3) = 0
[pid 5543] close(4) = 0
[pid 5543] close(5) = -1 EBADF (Bad file descriptor)
[pid 5543] close(6) = -1 EBADF (Bad file descriptor)
[pid 5543] close(7) = -1 EBADF (Bad file descriptor)
[pid 5543] close(8) = -1 EBADF (Bad file descriptor)
[pid 5543] close(9) = -1 EBADF (Bad file descriptor)
[pid 5543] close(10) = -1 EBADF (Bad file descriptor)
[pid 5543] close(11) = -1 EBADF (Bad file descriptor)
[pid 5543] close(12) = -1 EBADF (Bad file descriptor)
[pid 5543] close(13) = -1 EBADF (Bad file descriptor)
[pid 5543] close(14) = -1 EBADF (Bad file descriptor)
[pid 5543] close(15) = -1 EBADF (Bad file descriptor)
[pid 5543] close(16) = -1 EBADF (Bad file descriptor)
[pid 5543] close(17) = -1 EBADF (Bad file descriptor)
[pid 5543] close(18) = -1 EBADF (Bad file descriptor)
[pid 5543] close(19) = -1 EBADF (Bad file descriptor)
[pid 5543] close(20) = -1 EBADF (Bad file descriptor)
[pid 5543] close(21) = -1 EBADF (Bad file descriptor)
[pid 5543] close(22) = -1 EBADF (Bad file descriptor)
[pid 5543] close(23) = -1 EBADF (Bad file descriptor)
[pid 5543] close(24) = -1 EBADF (Bad file descriptor)
[pid 5543] close(25) = -1 EBADF (Bad file descriptor)
[pid 5543] close(26) = -1 EBADF (Bad file descriptor)
[pid 5543] close(27) = -1 EBADF (Bad file descriptor)
[pid 5543] close(28) = -1 EBADF (Bad file descriptor)
[pid 5543] close(29) = -1 EBADF (Bad file descriptor)
[pid 5543] exit_group(0) = ?
[pid 5543] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./541", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./541", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./541/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./541/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./541/cgroup.cpu") = 0
[pid 5000] umount2("./541/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./541/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./541/binderfs") = 0
[pid 5000] umount2("./541/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./541/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./541/cgroup") = 0
[pid 5000] umount2("./541/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./541/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./541/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./541") = 0
[pid 5000] mkdir("./542", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5544 attached
<unfinished ...>
[pid 5544] chdir("./542") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 544
[pid 5544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5544] setpgid(0, 0) = 0
[pid 5544] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5544] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5544] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5544] write(3, "1000", 4) = 4
[pid 5544] close(3) = 0
[pid 5544] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5544] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5544] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5544] openat(3, "freezer.state", O_RDWR) = 4
[pid 5544] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5544] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5544] close(3) = 0
[pid 5544] close(4) = 0
[pid 5544] close(5) = -1 EBADF (Bad file descriptor)
[pid 5544] close(6) = -1 EBADF (Bad file descriptor)
[pid 5544] close(7) = -1 EBADF (Bad file descriptor)
[pid 5544] close(8) = -1 EBADF (Bad file descriptor)
[pid 5544] close(9) = -1 EBADF (Bad file descriptor)
[pid 5544] close(10) = -1 EBADF (Bad file descriptor)
[pid 5544] close(11) = -1 EBADF (Bad file descriptor)
[pid 5544] close(12) = -1 EBADF (Bad file descriptor)
[pid 5544] close(13) = -1 EBADF (Bad file descriptor)
[pid 5544] close(14) = -1 EBADF (Bad file descriptor)
[pid 5544] close(15) = -1 EBADF (Bad file descriptor)
[pid 5544] close(16) = -1 EBADF (Bad file descriptor)
[pid 5544] close(17) = -1 EBADF (Bad file descriptor)
[pid 5544] close(18) = -1 EBADF (Bad file descriptor)
[pid 5544] close(19) = -1 EBADF (Bad file descriptor)
[pid 5544] close(20) = -1 EBADF (Bad file descriptor)
[pid 5544] close(21) = -1 EBADF (Bad file descriptor)
[pid 5544] close(22) = -1 EBADF (Bad file descriptor)
[pid 5544] close(23) = -1 EBADF (Bad file descriptor)
[pid 5544] close(24) = -1 EBADF (Bad file descriptor)
[pid 5544] close(25) = -1 EBADF (Bad file descriptor)
[pid 5544] close(26) = -1 EBADF (Bad file descriptor)
[pid 5544] close(27) = -1 EBADF (Bad file descriptor)
[pid 5544] close(28) = -1 EBADF (Bad file descriptor)
[pid 5544] close(29) = -1 EBADF (Bad file descriptor)
[pid 5544] exit_group(0) = ?
[pid 5544] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./542", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./542", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./542/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./542/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./542/cgroup.cpu") = 0
[pid 5000] umount2("./542/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./542/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./542/binderfs") = 0
[pid 5000] umount2("./542/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./542/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./542/cgroup") = 0
[pid 5000] umount2("./542/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./542/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./542/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./542") = 0
[pid 5000] mkdir("./543", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5545 attached
<unfinished ...>
[pid 5545] chdir("./543") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 545
[pid 5545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5545] setpgid(0, 0) = 0
[pid 5545] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5545] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5545] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5545] write(3, "1000", 4) = 4
[pid 5545] close(3) = 0
[pid 5545] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5545] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5545] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5545] openat(3, "freezer.state", O_RDWR) = 4
[pid 5545] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5545] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5545] close(3) = 0
[pid 5545] close(4) = 0
[pid 5545] close(5) = -1 EBADF (Bad file descriptor)
[pid 5545] close(6) = -1 EBADF (Bad file descriptor)
[pid 5545] close(7) = -1 EBADF (Bad file descriptor)
[pid 5545] close(8) = -1 EBADF (Bad file descriptor)
[pid 5545] close(9) = -1 EBADF (Bad file descriptor)
[pid 5545] close(10) = -1 EBADF (Bad file descriptor)
[pid 5545] close(11) = -1 EBADF (Bad file descriptor)
[pid 5545] close(12) = -1 EBADF (Bad file descriptor)
[pid 5545] close(13) = -1 EBADF (Bad file descriptor)
[pid 5545] close(14) = -1 EBADF (Bad file descriptor)
[pid 5545] close(15) = -1 EBADF (Bad file descriptor)
[pid 5545] close(16) = -1 EBADF (Bad file descriptor)
[pid 5545] close(17) = -1 EBADF (Bad file descriptor)
[pid 5545] close(18) = -1 EBADF (Bad file descriptor)
[pid 5545] close(19) = -1 EBADF (Bad file descriptor)
[pid 5545] close(20) = -1 EBADF (Bad file descriptor)
[pid 5545] close(21) = -1 EBADF (Bad file descriptor)
[pid 5545] close(22) = -1 EBADF (Bad file descriptor)
[pid 5545] close(23) = -1 EBADF (Bad file descriptor)
[pid 5545] close(24) = -1 EBADF (Bad file descriptor)
[pid 5545] close(25) = -1 EBADF (Bad file descriptor)
[pid 5545] close(26) = -1 EBADF (Bad file descriptor)
[pid 5545] close(27) = -1 EBADF (Bad file descriptor)
[pid 5545] close(28) = -1 EBADF (Bad file descriptor)
[pid 5545] close(29) = -1 EBADF (Bad file descriptor)
[pid 5545] exit_group(0) = ?
[pid 5545] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./543", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./543", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./543/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./543/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./543/cgroup.cpu") = 0
[pid 5000] umount2("./543/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./543/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./543/binderfs") = 0
[pid 5000] umount2("./543/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./543/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./543/cgroup") = 0
[pid 5000] umount2("./543/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./543/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./543/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./543") = 0
[pid 5000] mkdir("./544", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5546 attached
<unfinished ...>
[pid 5546] chdir("./544") = 0
[pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5546] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 546
[pid 5546] <... setpgid resumed>) = 0
[pid 5546] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5546] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5546] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5546] write(3, "1000", 4) = 4
[pid 5546] close(3) = 0
[pid 5546] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5546] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5546] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5546] openat(3, "freezer.state", O_RDWR) = 4
[pid 5546] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5546] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5546] close(3) = 0
[pid 5546] close(4) = 0
[pid 5546] close(5) = -1 EBADF (Bad file descriptor)
[pid 5546] close(6) = -1 EBADF (Bad file descriptor)
[pid 5546] close(7) = -1 EBADF (Bad file descriptor)
[pid 5546] close(8) = -1 EBADF (Bad file descriptor)
[pid 5546] close(9) = -1 EBADF (Bad file descriptor)
[pid 5546] close(10) = -1 EBADF (Bad file descriptor)
[pid 5546] close(11) = -1 EBADF (Bad file descriptor)
[pid 5546] close(12) = -1 EBADF (Bad file descriptor)
[pid 5546] close(13) = -1 EBADF (Bad file descriptor)
[pid 5546] close(14) = -1 EBADF (Bad file descriptor)
[pid 5546] close(15) = -1 EBADF (Bad file descriptor)
[pid 5546] close(16) = -1 EBADF (Bad file descriptor)
[pid 5546] close(17) = -1 EBADF (Bad file descriptor)
[pid 5546] close(18) = -1 EBADF (Bad file descriptor)
[pid 5546] close(19) = -1 EBADF (Bad file descriptor)
[pid 5546] close(20) = -1 EBADF (Bad file descriptor)
[pid 5546] close(21) = -1 EBADF (Bad file descriptor)
[pid 5546] close(22) = -1 EBADF (Bad file descriptor)
[pid 5546] close(23) = -1 EBADF (Bad file descriptor)
[pid 5546] close(24) = -1 EBADF (Bad file descriptor)
[pid 5546] close(25) = -1 EBADF (Bad file descriptor)
[pid 5546] close(26) = -1 EBADF (Bad file descriptor)
[pid 5546] close(27) = -1 EBADF (Bad file descriptor)
[pid 5546] close(28) = -1 EBADF (Bad file descriptor)
[pid 5546] close(29) = -1 EBADF (Bad file descriptor)
[pid 5546] exit_group(0) = ?
[pid 5546] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./544", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./544", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./544/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./544/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./544/cgroup.cpu") = 0
[pid 5000] umount2("./544/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./544/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./544/binderfs") = 0
[pid 5000] umount2("./544/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./544/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./544/cgroup") = 0
[pid 5000] umount2("./544/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./544/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./544/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./544") = 0
[pid 5000] mkdir("./545", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5547 attached
<unfinished ...>
[pid 5547] chdir("./545") = 0
[pid 5547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5547] setpgid(0, 0) = 0
[pid 5547] symlink("/syzcgroup/unified/syz0", "./cgroup" <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 547
[pid 5547] <... symlink resumed>) = 0
[pid 5547] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5547] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5547] write(3, "1000", 4) = 4
[pid 5547] close(3) = 0
[pid 5547] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5547] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5547] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5547] openat(3, "freezer.state", O_RDWR) = 4
[pid 5547] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5547] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5547] close(3) = 0
[pid 5547] close(4) = 0
[pid 5547] close(5) = -1 EBADF (Bad file descriptor)
[pid 5547] close(6) = -1 EBADF (Bad file descriptor)
[pid 5547] close(7) = -1 EBADF (Bad file descriptor)
[pid 5547] close(8) = -1 EBADF (Bad file descriptor)
[pid 5547] close(9) = -1 EBADF (Bad file descriptor)
[pid 5547] close(10) = -1 EBADF (Bad file descriptor)
[pid 5547] close(11) = -1 EBADF (Bad file descriptor)
[pid 5547] close(12) = -1 EBADF (Bad file descriptor)
[pid 5547] close(13) = -1 EBADF (Bad file descriptor)
[pid 5547] close(14) = -1 EBADF (Bad file descriptor)
[pid 5547] close(15) = -1 EBADF (Bad file descriptor)
[pid 5547] close(16) = -1 EBADF (Bad file descriptor)
[pid 5547] close(17) = -1 EBADF (Bad file descriptor)
[pid 5547] close(18) = -1 EBADF (Bad file descriptor)
[pid 5547] close(19) = -1 EBADF (Bad file descriptor)
[pid 5547] close(20) = -1 EBADF (Bad file descriptor)
[pid 5547] close(21) = -1 EBADF (Bad file descriptor)
[pid 5547] close(22) = -1 EBADF (Bad file descriptor)
[pid 5547] close(23) = -1 EBADF (Bad file descriptor)
[pid 5547] close(24) = -1 EBADF (Bad file descriptor)
[pid 5547] close(25) = -1 EBADF (Bad file descriptor)
[pid 5547] close(26) = -1 EBADF (Bad file descriptor)
[pid 5547] close(27) = -1 EBADF (Bad file descriptor)
[pid 5547] close(28) = -1 EBADF (Bad file descriptor)
[pid 5547] close(29) = -1 EBADF (Bad file descriptor)
[pid 5547] exit_group(0) = ?
[pid 5547] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./545", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./545", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./545/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./545/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./545/cgroup.cpu") = 0
[pid 5000] umount2("./545/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./545/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./545/binderfs") = 0
[pid 5000] umount2("./545/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./545/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./545/cgroup") = 0
[pid 5000] umount2("./545/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./545/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./545/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./545") = 0
[pid 5000] mkdir("./546", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5548 attached
<unfinished ...>
[pid 5548] chdir("./546") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 548
[pid 5548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5548] setpgid(0, 0) = 0
[pid 5548] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5548] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5548] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5548] write(3, "1000", 4) = 4
[pid 5548] close(3) = 0
[pid 5548] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5548] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5548] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5548] openat(3, "freezer.state", O_RDWR) = 4
[pid 5548] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5548] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5548] close(3) = 0
[pid 5548] close(4) = 0
[pid 5548] close(5) = -1 EBADF (Bad file descriptor)
[pid 5548] close(6) = -1 EBADF (Bad file descriptor)
[pid 5548] close(7) = -1 EBADF (Bad file descriptor)
[pid 5548] close(8) = -1 EBADF (Bad file descriptor)
[pid 5548] close(9) = -1 EBADF (Bad file descriptor)
[pid 5548] close(10) = -1 EBADF (Bad file descriptor)
[pid 5548] close(11) = -1 EBADF (Bad file descriptor)
[pid 5548] close(12) = -1 EBADF (Bad file descriptor)
[pid 5548] close(13) = -1 EBADF (Bad file descriptor)
[pid 5548] close(14) = -1 EBADF (Bad file descriptor)
[pid 5548] close(15) = -1 EBADF (Bad file descriptor)
[pid 5548] close(16) = -1 EBADF (Bad file descriptor)
[pid 5548] close(17) = -1 EBADF (Bad file descriptor)
[pid 5548] close(18) = -1 EBADF (Bad file descriptor)
[pid 5548] close(19) = -1 EBADF (Bad file descriptor)
[pid 5548] close(20) = -1 EBADF (Bad file descriptor)
[pid 5548] close(21) = -1 EBADF (Bad file descriptor)
[pid 5548] close(22) = -1 EBADF (Bad file descriptor)
[pid 5548] close(23) = -1 EBADF (Bad file descriptor)
[pid 5548] close(24) = -1 EBADF (Bad file descriptor)
[pid 5548] close(25) = -1 EBADF (Bad file descriptor)
[pid 5548] close(26) = -1 EBADF (Bad file descriptor)
[pid 5548] close(27) = -1 EBADF (Bad file descriptor)
[pid 5548] close(28) = -1 EBADF (Bad file descriptor)
[pid 5548] close(29) = -1 EBADF (Bad file descriptor)
[pid 5548] exit_group(0) = ?
[pid 5548] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./546", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./546", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./546/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./546/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./546/cgroup.cpu") = 0
[pid 5000] umount2("./546/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./546/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./546/binderfs") = 0
[pid 5000] umount2("./546/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./546/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./546/cgroup") = 0
[pid 5000] umount2("./546/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./546/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./546/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./546") = 0
[pid 5000] mkdir("./547", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5549 attached
<unfinished ...>
[pid 5549] chdir("./547") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 549
[pid 5549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5549] setpgid(0, 0) = 0
[pid 5549] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5549] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5549] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5549] write(3, "1000", 4) = 4
[pid 5549] close(3) = 0
[pid 5549] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5549] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5549] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5549] openat(3, "freezer.state", O_RDWR) = 4
[pid 5549] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5549] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5549] close(3) = 0
[pid 5549] close(4) = 0
[pid 5549] close(5) = -1 EBADF (Bad file descriptor)
[pid 5549] close(6) = -1 EBADF (Bad file descriptor)
[pid 5549] close(7) = -1 EBADF (Bad file descriptor)
[pid 5549] close(8) = -1 EBADF (Bad file descriptor)
[pid 5549] close(9) = -1 EBADF (Bad file descriptor)
[pid 5549] close(10) = -1 EBADF (Bad file descriptor)
[pid 5549] close(11) = -1 EBADF (Bad file descriptor)
[pid 5549] close(12) = -1 EBADF (Bad file descriptor)
[pid 5549] close(13) = -1 EBADF (Bad file descriptor)
[pid 5549] close(14) = -1 EBADF (Bad file descriptor)
[pid 5549] close(15) = -1 EBADF (Bad file descriptor)
[pid 5549] close(16) = -1 EBADF (Bad file descriptor)
[pid 5549] close(17) = -1 EBADF (Bad file descriptor)
[pid 5549] close(18) = -1 EBADF (Bad file descriptor)
[pid 5549] close(19) = -1 EBADF (Bad file descriptor)
[pid 5549] close(20) = -1 EBADF (Bad file descriptor)
[pid 5549] close(21) = -1 EBADF (Bad file descriptor)
[pid 5549] close(22) = -1 EBADF (Bad file descriptor)
[pid 5549] close(23) = -1 EBADF (Bad file descriptor)
[pid 5549] close(24) = -1 EBADF (Bad file descriptor)
[pid 5549] close(25) = -1 EBADF (Bad file descriptor)
[pid 5549] close(26) = -1 EBADF (Bad file descriptor)
[pid 5549] close(27) = -1 EBADF (Bad file descriptor)
[pid 5549] close(28) = -1 EBADF (Bad file descriptor)
[pid 5549] close(29) = -1 EBADF (Bad file descriptor)
[pid 5549] exit_group(0) = ?
[pid 5549] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./547", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./547", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./547/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./547/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./547/cgroup.cpu") = 0
[pid 5000] umount2("./547/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./547/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./547/binderfs") = 0
[pid 5000] umount2("./547/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./547/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./547/cgroup") = 0
[pid 5000] umount2("./547/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./547/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./547/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./547") = 0
[pid 5000] mkdir("./548", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5550 attached
<unfinished ...>
[pid 5550] chdir("./548") = 0
[pid 5550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 550
[pid 5550] setpgid(0, 0) = 0
[pid 5550] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5550] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5550] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5550] write(3, "1000", 4) = 4
[pid 5550] close(3) = 0
[pid 5550] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5550] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5550] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5550] openat(3, "freezer.state", O_RDWR) = 4
[pid 5550] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5550] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5550] close(3) = 0
[pid 5550] close(4) = 0
[pid 5550] close(5) = -1 EBADF (Bad file descriptor)
[pid 5550] close(6) = -1 EBADF (Bad file descriptor)
[pid 5550] close(7) = -1 EBADF (Bad file descriptor)
[pid 5550] close(8) = -1 EBADF (Bad file descriptor)
[pid 5550] close(9) = -1 EBADF (Bad file descriptor)
[pid 5550] close(10) = -1 EBADF (Bad file descriptor)
[pid 5550] close(11) = -1 EBADF (Bad file descriptor)
[pid 5550] close(12) = -1 EBADF (Bad file descriptor)
[pid 5550] close(13) = -1 EBADF (Bad file descriptor)
[pid 5550] close(14) = -1 EBADF (Bad file descriptor)
[pid 5550] close(15) = -1 EBADF (Bad file descriptor)
[pid 5550] close(16) = -1 EBADF (Bad file descriptor)
[pid 5550] close(17) = -1 EBADF (Bad file descriptor)
[pid 5550] close(18) = -1 EBADF (Bad file descriptor)
[pid 5550] close(19) = -1 EBADF (Bad file descriptor)
[pid 5550] close(20) = -1 EBADF (Bad file descriptor)
[pid 5550] close(21) = -1 EBADF (Bad file descriptor)
[pid 5550] close(22) = -1 EBADF (Bad file descriptor)
[pid 5550] close(23) = -1 EBADF (Bad file descriptor)
[pid 5550] close(24) = -1 EBADF (Bad file descriptor)
[pid 5550] close(25) = -1 EBADF (Bad file descriptor)
[pid 5550] close(26) = -1 EBADF (Bad file descriptor)
[pid 5550] close(27) = -1 EBADF (Bad file descriptor)
[pid 5550] close(28) = -1 EBADF (Bad file descriptor)
[pid 5550] close(29) = -1 EBADF (Bad file descriptor)
[pid 5550] exit_group(0) = ?
[pid 5550] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./548", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./548", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./548/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./548/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./548/cgroup.cpu") = 0
[pid 5000] umount2("./548/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./548/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./548/binderfs") = 0
[pid 5000] umount2("./548/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./548/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./548/cgroup") = 0
[pid 5000] umount2("./548/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./548/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./548/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./548") = 0
[pid 5000] mkdir("./549", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5551 attached
<unfinished ...>
[pid 5551] chdir("./549") = 0
[pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 551
[pid 5551] setpgid(0, 0) = 0
[pid 5551] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5551] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5551] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5551] write(3, "1000", 4) = 4
[pid 5551] close(3) = 0
[pid 5551] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5551] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5551] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5551] openat(3, "freezer.state", O_RDWR) = 4
[pid 5551] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5551] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5551] close(3) = 0
[pid 5551] close(4) = 0
[pid 5551] close(5) = -1 EBADF (Bad file descriptor)
[pid 5551] close(6) = -1 EBADF (Bad file descriptor)
[pid 5551] close(7) = -1 EBADF (Bad file descriptor)
[pid 5551] close(8) = -1 EBADF (Bad file descriptor)
[pid 5551] close(9) = -1 EBADF (Bad file descriptor)
[pid 5551] close(10) = -1 EBADF (Bad file descriptor)
[pid 5551] close(11) = -1 EBADF (Bad file descriptor)
[pid 5551] close(12) = -1 EBADF (Bad file descriptor)
[pid 5551] close(13) = -1 EBADF (Bad file descriptor)
[pid 5551] close(14) = -1 EBADF (Bad file descriptor)
[pid 5551] close(15) = -1 EBADF (Bad file descriptor)
[pid 5551] close(16) = -1 EBADF (Bad file descriptor)
[pid 5551] close(17) = -1 EBADF (Bad file descriptor)
[pid 5551] close(18) = -1 EBADF (Bad file descriptor)
[pid 5551] close(19) = -1 EBADF (Bad file descriptor)
[pid 5551] close(20) = -1 EBADF (Bad file descriptor)
[pid 5551] close(21) = -1 EBADF (Bad file descriptor)
[pid 5551] close(22) = -1 EBADF (Bad file descriptor)
[pid 5551] close(23) = -1 EBADF (Bad file descriptor)
[pid 5551] close(24) = -1 EBADF (Bad file descriptor)
[pid 5551] close(25) = -1 EBADF (Bad file descriptor)
[pid 5551] close(26) = -1 EBADF (Bad file descriptor)
[pid 5551] close(27) = -1 EBADF (Bad file descriptor)
[pid 5551] close(28) = -1 EBADF (Bad file descriptor)
[pid 5551] close(29) = -1 EBADF (Bad file descriptor)
[pid 5551] exit_group(0) = ?
[pid 5551] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./549", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./549", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./549/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./549/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./549/cgroup.cpu") = 0
[pid 5000] umount2("./549/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./549/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./549/binderfs") = 0
[pid 5000] umount2("./549/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./549/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./549/cgroup") = 0
[pid 5000] umount2("./549/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./549/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./549/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./549") = 0
[pid 5000] mkdir("./550", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5552 attached
<unfinished ...>
[pid 5552] chdir("./550") = 0
[pid 5552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 552
[pid 5552] setpgid(0, 0) = 0
[pid 5552] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5552] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5552] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5552] write(3, "1000", 4) = 4
[pid 5552] close(3) = 0
[pid 5552] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5552] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5552] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5552] openat(3, "freezer.state", O_RDWR) = 4
[pid 5552] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5552] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5552] close(3) = 0
[pid 5552] close(4) = 0
[pid 5552] close(5) = -1 EBADF (Bad file descriptor)
[pid 5552] close(6) = -1 EBADF (Bad file descriptor)
[pid 5552] close(7) = -1 EBADF (Bad file descriptor)
[pid 5552] close(8) = -1 EBADF (Bad file descriptor)
[pid 5552] close(9) = -1 EBADF (Bad file descriptor)
[pid 5552] close(10) = -1 EBADF (Bad file descriptor)
[pid 5552] close(11) = -1 EBADF (Bad file descriptor)
[pid 5552] close(12) = -1 EBADF (Bad file descriptor)
[pid 5552] close(13) = -1 EBADF (Bad file descriptor)
[pid 5552] close(14) = -1 EBADF (Bad file descriptor)
[pid 5552] close(15) = -1 EBADF (Bad file descriptor)
[pid 5552] close(16) = -1 EBADF (Bad file descriptor)
[pid 5552] close(17) = -1 EBADF (Bad file descriptor)
[pid 5552] close(18) = -1 EBADF (Bad file descriptor)
[pid 5552] close(19) = -1 EBADF (Bad file descriptor)
[pid 5552] close(20) = -1 EBADF (Bad file descriptor)
[pid 5552] close(21) = -1 EBADF (Bad file descriptor)
[pid 5552] close(22) = -1 EBADF (Bad file descriptor)
[pid 5552] close(23) = -1 EBADF (Bad file descriptor)
[pid 5552] close(24) = -1 EBADF (Bad file descriptor)
[pid 5552] close(25) = -1 EBADF (Bad file descriptor)
[pid 5552] close(26) = -1 EBADF (Bad file descriptor)
[pid 5552] close(27) = -1 EBADF (Bad file descriptor)
[pid 5552] close(28) = -1 EBADF (Bad file descriptor)
[pid 5552] close(29) = -1 EBADF (Bad file descriptor)
[pid 5552] exit_group(0) = ?
[pid 5552] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./550", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./550", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./550/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./550/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./550/cgroup.cpu") = 0
[pid 5000] umount2("./550/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./550/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./550/binderfs") = 0
[pid 5000] umount2("./550/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./550/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./550/cgroup") = 0
[pid 5000] umount2("./550/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./550/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./550/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./550") = 0
[pid 5000] mkdir("./551", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5553 attached
<unfinished ...>
[pid 5553] chdir("./551") = 0
[pid 5553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 553
[pid 5553] setpgid(0, 0) = 0
[pid 5553] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5553] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5553] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5553] write(3, "1000", 4) = 4
[pid 5553] close(3) = 0
[pid 5553] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5553] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5553] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5553] openat(3, "freezer.state", O_RDWR) = 4
[pid 5553] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5553] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5553] close(3) = 0
[pid 5553] close(4) = 0
[pid 5553] close(5) = -1 EBADF (Bad file descriptor)
[pid 5553] close(6) = -1 EBADF (Bad file descriptor)
[pid 5553] close(7) = -1 EBADF (Bad file descriptor)
[pid 5553] close(8) = -1 EBADF (Bad file descriptor)
[pid 5553] close(9) = -1 EBADF (Bad file descriptor)
[pid 5553] close(10) = -1 EBADF (Bad file descriptor)
[pid 5553] close(11) = -1 EBADF (Bad file descriptor)
[pid 5553] close(12) = -1 EBADF (Bad file descriptor)
[pid 5553] close(13) = -1 EBADF (Bad file descriptor)
[pid 5553] close(14) = -1 EBADF (Bad file descriptor)
[pid 5553] close(15) = -1 EBADF (Bad file descriptor)
[pid 5553] close(16) = -1 EBADF (Bad file descriptor)
[pid 5553] close(17) = -1 EBADF (Bad file descriptor)
[pid 5553] close(18) = -1 EBADF (Bad file descriptor)
[pid 5553] close(19) = -1 EBADF (Bad file descriptor)
[pid 5553] close(20) = -1 EBADF (Bad file descriptor)
[pid 5553] close(21) = -1 EBADF (Bad file descriptor)
[pid 5553] close(22) = -1 EBADF (Bad file descriptor)
[pid 5553] close(23) = -1 EBADF (Bad file descriptor)
[pid 5553] close(24) = -1 EBADF (Bad file descriptor)
[pid 5553] close(25) = -1 EBADF (Bad file descriptor)
[pid 5553] close(26) = -1 EBADF (Bad file descriptor)
[pid 5553] close(27) = -1 EBADF (Bad file descriptor)
[pid 5553] close(28) = -1 EBADF (Bad file descriptor)
[pid 5553] close(29) = -1 EBADF (Bad file descriptor)
[pid 5553] exit_group(0) = ?
[pid 5553] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./551", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./551", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./551/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./551/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./551/cgroup.cpu") = 0
[pid 5000] umount2("./551/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./551/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./551/binderfs") = 0
[pid 5000] umount2("./551/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./551/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./551/cgroup") = 0
[pid 5000] umount2("./551/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./551/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./551/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./551") = 0
[pid 5000] mkdir("./552", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5554 attached
<unfinished ...>
[pid 5554] chdir("./552") = 0
[pid 5554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5554] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 554
[pid 5554] <... setpgid resumed>) = 0
[pid 5554] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5554] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5554] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5554] write(3, "1000", 4) = 4
[pid 5554] close(3) = 0
[pid 5554] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5554] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5554] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5554] openat(3, "freezer.state", O_RDWR) = 4
[pid 5554] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5554] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5554] close(3) = 0
[pid 5554] close(4) = 0
[pid 5554] close(5) = -1 EBADF (Bad file descriptor)
[pid 5554] close(6) = -1 EBADF (Bad file descriptor)
[pid 5554] close(7) = -1 EBADF (Bad file descriptor)
[pid 5554] close(8) = -1 EBADF (Bad file descriptor)
[pid 5554] close(9) = -1 EBADF (Bad file descriptor)
[pid 5554] close(10) = -1 EBADF (Bad file descriptor)
[pid 5554] close(11) = -1 EBADF (Bad file descriptor)
[pid 5554] close(12) = -1 EBADF (Bad file descriptor)
[pid 5554] close(13) = -1 EBADF (Bad file descriptor)
[pid 5554] close(14) = -1 EBADF (Bad file descriptor)
[pid 5554] close(15) = -1 EBADF (Bad file descriptor)
[pid 5554] close(16) = -1 EBADF (Bad file descriptor)
[pid 5554] close(17) = -1 EBADF (Bad file descriptor)
[pid 5554] close(18) = -1 EBADF (Bad file descriptor)
[pid 5554] close(19) = -1 EBADF (Bad file descriptor)
[pid 5554] close(20) = -1 EBADF (Bad file descriptor)
[pid 5554] close(21) = -1 EBADF (Bad file descriptor)
[pid 5554] close(22) = -1 EBADF (Bad file descriptor)
[pid 5554] close(23) = -1 EBADF (Bad file descriptor)
[pid 5554] close(24) = -1 EBADF (Bad file descriptor)
[pid 5554] close(25) = -1 EBADF (Bad file descriptor)
[pid 5554] close(26) = -1 EBADF (Bad file descriptor)
[pid 5554] close(27) = -1 EBADF (Bad file descriptor)
[pid 5554] close(28) = -1 EBADF (Bad file descriptor)
[pid 5554] close(29) = -1 EBADF (Bad file descriptor)
[pid 5554] exit_group(0) = ?
[pid 5554] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./552", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./552", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./552/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./552/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./552/cgroup.cpu") = 0
[pid 5000] umount2("./552/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./552/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./552/binderfs") = 0
[pid 5000] umount2("./552/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./552/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./552/cgroup") = 0
[pid 5000] umount2("./552/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./552/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./552/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./552") = 0
[pid 5000] mkdir("./553", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 555
./strace-static-x86_64: Process 5555 attached
[pid 5555] chdir("./553") = 0
[pid 5555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5555] setpgid(0, 0) = 0
[pid 5555] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5555] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5555] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5555] write(3, "1000", 4) = 4
[pid 5555] close(3) = 0
[pid 5555] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5555] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5555] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5555] openat(3, "freezer.state", O_RDWR) = 4
[pid 5555] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5555] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5555] close(3) = 0
[pid 5555] close(4) = 0
[pid 5555] close(5) = -1 EBADF (Bad file descriptor)
[pid 5555] close(6) = -1 EBADF (Bad file descriptor)
[pid 5555] close(7) = -1 EBADF (Bad file descriptor)
[pid 5555] close(8) = -1 EBADF (Bad file descriptor)
[pid 5555] close(9) = -1 EBADF (Bad file descriptor)
[pid 5555] close(10) = -1 EBADF (Bad file descriptor)
[pid 5555] close(11) = -1 EBADF (Bad file descriptor)
[pid 5555] close(12) = -1 EBADF (Bad file descriptor)
[pid 5555] close(13) = -1 EBADF (Bad file descriptor)
[pid 5555] close(14) = -1 EBADF (Bad file descriptor)
[pid 5555] close(15) = -1 EBADF (Bad file descriptor)
[pid 5555] close(16) = -1 EBADF (Bad file descriptor)
[pid 5555] close(17) = -1 EBADF (Bad file descriptor)
[pid 5555] close(18) = -1 EBADF (Bad file descriptor)
[pid 5555] close(19) = -1 EBADF (Bad file descriptor)
[pid 5555] close(20) = -1 EBADF (Bad file descriptor)
[pid 5555] close(21) = -1 EBADF (Bad file descriptor)
[pid 5555] close(22) = -1 EBADF (Bad file descriptor)
[pid 5555] close(23) = -1 EBADF (Bad file descriptor)
[pid 5555] close(24) = -1 EBADF (Bad file descriptor)
[pid 5555] close(25) = -1 EBADF (Bad file descriptor)
[pid 5555] close(26) = -1 EBADF (Bad file descriptor)
[pid 5555] close(27) = -1 EBADF (Bad file descriptor)
[pid 5555] close(28) = -1 EBADF (Bad file descriptor)
[pid 5555] close(29) = -1 EBADF (Bad file descriptor)
[pid 5555] exit_group(0) = ?
[pid 5555] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./553", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./553", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./553/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./553/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./553/cgroup.cpu") = 0
[pid 5000] umount2("./553/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./553/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./553/binderfs") = 0
[pid 5000] umount2("./553/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./553/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./553/cgroup") = 0
[pid 5000] umount2("./553/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./553/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./553/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./553") = 0
[pid 5000] mkdir("./554", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 556
./strace-static-x86_64: Process 5556 attached
[pid 5556] chdir("./554") = 0
[pid 5556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5556] setpgid(0, 0) = 0
[pid 5556] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5556] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5556] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5556] write(3, "1000", 4) = 4
[pid 5556] close(3) = 0
[pid 5556] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5556] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5556] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5556] openat(3, "freezer.state", O_RDWR) = 4
[pid 5556] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5556] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5556] close(3) = 0
[pid 5556] close(4) = 0
[pid 5556] close(5) = -1 EBADF (Bad file descriptor)
[pid 5556] close(6) = -1 EBADF (Bad file descriptor)
[pid 5556] close(7) = -1 EBADF (Bad file descriptor)
[pid 5556] close(8) = -1 EBADF (Bad file descriptor)
[pid 5556] close(9) = -1 EBADF (Bad file descriptor)
[pid 5556] close(10) = -1 EBADF (Bad file descriptor)
[pid 5556] close(11) = -1 EBADF (Bad file descriptor)
[pid 5556] close(12) = -1 EBADF (Bad file descriptor)
[pid 5556] close(13) = -1 EBADF (Bad file descriptor)
[pid 5556] close(14) = -1 EBADF (Bad file descriptor)
[pid 5556] close(15) = -1 EBADF (Bad file descriptor)
[pid 5556] close(16) = -1 EBADF (Bad file descriptor)
[pid 5556] close(17) = -1 EBADF (Bad file descriptor)
[pid 5556] close(18) = -1 EBADF (Bad file descriptor)
[pid 5556] close(19) = -1 EBADF (Bad file descriptor)
[pid 5556] close(20) = -1 EBADF (Bad file descriptor)
[pid 5556] close(21) = -1 EBADF (Bad file descriptor)
[pid 5556] close(22) = -1 EBADF (Bad file descriptor)
[pid 5556] close(23) = -1 EBADF (Bad file descriptor)
[pid 5556] close(24) = -1 EBADF (Bad file descriptor)
[pid 5556] close(25) = -1 EBADF (Bad file descriptor)
[pid 5556] close(26) = -1 EBADF (Bad file descriptor)
[pid 5556] close(27) = -1 EBADF (Bad file descriptor)
[pid 5556] close(28) = -1 EBADF (Bad file descriptor)
[pid 5556] close(29) = -1 EBADF (Bad file descriptor)
[pid 5556] exit_group(0) = ?
[pid 5556] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./554", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./554", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./554/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./554/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./554/cgroup.cpu") = 0
[pid 5000] umount2("./554/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./554/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./554/binderfs") = 0
[pid 5000] umount2("./554/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./554/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./554/cgroup") = 0
[pid 5000] umount2("./554/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./554/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./554/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./554") = 0
[pid 5000] mkdir("./555", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 557
./strace-static-x86_64: Process 5557 attached
[pid 5557] chdir("./555") = 0
[pid 5557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5557] setpgid(0, 0) = 0
[pid 5557] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5557] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5557] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5557] write(3, "1000", 4) = 4
[pid 5557] close(3) = 0
[pid 5557] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5557] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5557] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5557] openat(3, "freezer.state", O_RDWR) = 4
[pid 5557] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5557] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5557] close(3) = 0
[pid 5557] close(4) = 0
[pid 5557] close(5) = -1 EBADF (Bad file descriptor)
[pid 5557] close(6) = -1 EBADF (Bad file descriptor)
[pid 5557] close(7) = -1 EBADF (Bad file descriptor)
[pid 5557] close(8) = -1 EBADF (Bad file descriptor)
[pid 5557] close(9) = -1 EBADF (Bad file descriptor)
[pid 5557] close(10) = -1 EBADF (Bad file descriptor)
[pid 5557] close(11) = -1 EBADF (Bad file descriptor)
[pid 5557] close(12) = -1 EBADF (Bad file descriptor)
[pid 5557] close(13) = -1 EBADF (Bad file descriptor)
[pid 5557] close(14) = -1 EBADF (Bad file descriptor)
[pid 5557] close(15) = -1 EBADF (Bad file descriptor)
[pid 5557] close(16) = -1 EBADF (Bad file descriptor)
[pid 5557] close(17) = -1 EBADF (Bad file descriptor)
[pid 5557] close(18) = -1 EBADF (Bad file descriptor)
[pid 5557] close(19) = -1 EBADF (Bad file descriptor)
[pid 5557] close(20) = -1 EBADF (Bad file descriptor)
[pid 5557] close(21) = -1 EBADF (Bad file descriptor)
[pid 5557] close(22) = -1 EBADF (Bad file descriptor)
[pid 5557] close(23) = -1 EBADF (Bad file descriptor)
[pid 5557] close(24) = -1 EBADF (Bad file descriptor)
[pid 5557] close(25) = -1 EBADF (Bad file descriptor)
[pid 5557] close(26) = -1 EBADF (Bad file descriptor)
[pid 5557] close(27) = -1 EBADF (Bad file descriptor)
[pid 5557] close(28) = -1 EBADF (Bad file descriptor)
[pid 5557] close(29) = -1 EBADF (Bad file descriptor)
[pid 5557] exit_group(0) = ?
[pid 5557] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./555", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./555", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./555/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./555/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./555/cgroup.cpu") = 0
[pid 5000] umount2("./555/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./555/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./555/binderfs") = 0
[pid 5000] umount2("./555/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./555/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./555/cgroup") = 0
[pid 5000] umount2("./555/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./555/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./555/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./555") = 0
[pid 5000] mkdir("./556", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5558 attached
<unfinished ...>
[pid 5558] chdir("./556") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 558
[pid 5558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5558] setpgid(0, 0) = 0
[pid 5558] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5558] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5558] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5558] write(3, "1000", 4) = 4
[pid 5558] close(3) = 0
[pid 5558] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5558] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5558] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5558] openat(3, "freezer.state", O_RDWR) = 4
[pid 5558] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5558] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5558] close(3) = 0
[pid 5558] close(4) = 0
[pid 5558] close(5) = -1 EBADF (Bad file descriptor)
[pid 5558] close(6) = -1 EBADF (Bad file descriptor)
[pid 5558] close(7) = -1 EBADF (Bad file descriptor)
[pid 5558] close(8) = -1 EBADF (Bad file descriptor)
[pid 5558] close(9) = -1 EBADF (Bad file descriptor)
[pid 5558] close(10) = -1 EBADF (Bad file descriptor)
[pid 5558] close(11) = -1 EBADF (Bad file descriptor)
[pid 5558] close(12) = -1 EBADF (Bad file descriptor)
[pid 5558] close(13) = -1 EBADF (Bad file descriptor)
[pid 5558] close(14) = -1 EBADF (Bad file descriptor)
[pid 5558] close(15) = -1 EBADF (Bad file descriptor)
[pid 5558] close(16) = -1 EBADF (Bad file descriptor)
[pid 5558] close(17) = -1 EBADF (Bad file descriptor)
[pid 5558] close(18) = -1 EBADF (Bad file descriptor)
[pid 5558] close(19) = -1 EBADF (Bad file descriptor)
[pid 5558] close(20) = -1 EBADF (Bad file descriptor)
[pid 5558] close(21) = -1 EBADF (Bad file descriptor)
[pid 5558] close(22) = -1 EBADF (Bad file descriptor)
[pid 5558] close(23) = -1 EBADF (Bad file descriptor)
[pid 5558] close(24) = -1 EBADF (Bad file descriptor)
[pid 5558] close(25) = -1 EBADF (Bad file descriptor)
[pid 5558] close(26) = -1 EBADF (Bad file descriptor)
[pid 5558] close(27) = -1 EBADF (Bad file descriptor)
[pid 5558] close(28) = -1 EBADF (Bad file descriptor)
[pid 5558] close(29) = -1 EBADF (Bad file descriptor)
[pid 5558] exit_group(0) = ?
[pid 5558] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./556", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./556", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./556/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./556/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./556/cgroup.cpu") = 0
[pid 5000] umount2("./556/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./556/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./556/binderfs") = 0
[pid 5000] umount2("./556/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./556/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./556/cgroup") = 0
[pid 5000] umount2("./556/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./556/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./556/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./556") = 0
[pid 5000] mkdir("./557", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5559 attached
<unfinished ...>
[pid 5559] chdir("./557") = 0
[pid 5559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5559] setpgid(0, 0 <unfinished ...>
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 559
[pid 5559] <... setpgid resumed>) = 0
[pid 5559] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5559] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5559] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5559] write(3, "1000", 4) = 4
[pid 5559] close(3) = 0
[pid 5559] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5559] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5559] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5559] openat(3, "freezer.state", O_RDWR) = 4
[pid 5559] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5559] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5559] close(3) = 0
[pid 5559] close(4) = 0
[pid 5559] close(5) = -1 EBADF (Bad file descriptor)
[pid 5559] close(6) = -1 EBADF (Bad file descriptor)
[pid 5559] close(7) = -1 EBADF (Bad file descriptor)
[pid 5559] close(8) = -1 EBADF (Bad file descriptor)
[pid 5559] close(9) = -1 EBADF (Bad file descriptor)
[pid 5559] close(10) = -1 EBADF (Bad file descriptor)
[pid 5559] close(11) = -1 EBADF (Bad file descriptor)
[pid 5559] close(12) = -1 EBADF (Bad file descriptor)
[pid 5559] close(13) = -1 EBADF (Bad file descriptor)
[pid 5559] close(14) = -1 EBADF (Bad file descriptor)
[pid 5559] close(15) = -1 EBADF (Bad file descriptor)
[pid 5559] close(16) = -1 EBADF (Bad file descriptor)
[pid 5559] close(17) = -1 EBADF (Bad file descriptor)
[pid 5559] close(18) = -1 EBADF (Bad file descriptor)
[pid 5559] close(19) = -1 EBADF (Bad file descriptor)
[pid 5559] close(20) = -1 EBADF (Bad file descriptor)
[pid 5559] close(21) = -1 EBADF (Bad file descriptor)
[pid 5559] close(22) = -1 EBADF (Bad file descriptor)
[pid 5559] close(23) = -1 EBADF (Bad file descriptor)
[pid 5559] close(24) = -1 EBADF (Bad file descriptor)
[pid 5559] close(25) = -1 EBADF (Bad file descriptor)
[pid 5559] close(26) = -1 EBADF (Bad file descriptor)
[pid 5559] close(27) = -1 EBADF (Bad file descriptor)
[pid 5559] close(28) = -1 EBADF (Bad file descriptor)
[pid 5559] close(29) = -1 EBADF (Bad file descriptor)
[pid 5559] exit_group(0) = ?
[pid 5559] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./557", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./557", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./557/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./557/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./557/cgroup.cpu") = 0
[pid 5000] umount2("./557/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./557/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./557/binderfs") = 0
[pid 5000] umount2("./557/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./557/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./557/cgroup") = 0
[pid 5000] umount2("./557/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./557/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./557/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./557") = 0
[pid 5000] mkdir("./558", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5560 attached
<unfinished ...>
[pid 5560] chdir("./558") = 0
[pid 5560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5560] setpgid(0, 0) = 0
[pid 5560] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 560
[pid 5560] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5560] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5560] write(3, "1000", 4) = 4
[pid 5560] close(3) = 0
[pid 5560] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5560] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5560] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5560] openat(3, "freezer.state", O_RDWR) = 4
[pid 5560] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5560] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5560] close(3) = 0
[pid 5560] close(4) = 0
[pid 5560] close(5) = -1 EBADF (Bad file descriptor)
[pid 5560] close(6) = -1 EBADF (Bad file descriptor)
[pid 5560] close(7) = -1 EBADF (Bad file descriptor)
[pid 5560] close(8) = -1 EBADF (Bad file descriptor)
[pid 5560] close(9) = -1 EBADF (Bad file descriptor)
[pid 5560] close(10) = -1 EBADF (Bad file descriptor)
[pid 5560] close(11) = -1 EBADF (Bad file descriptor)
[pid 5560] close(12) = -1 EBADF (Bad file descriptor)
[pid 5560] close(13) = -1 EBADF (Bad file descriptor)
[pid 5560] close(14) = -1 EBADF (Bad file descriptor)
[pid 5560] close(15) = -1 EBADF (Bad file descriptor)
[pid 5560] close(16) = -1 EBADF (Bad file descriptor)
[pid 5560] close(17) = -1 EBADF (Bad file descriptor)
[pid 5560] close(18) = -1 EBADF (Bad file descriptor)
[pid 5560] close(19) = -1 EBADF (Bad file descriptor)
[pid 5560] close(20) = -1 EBADF (Bad file descriptor)
[pid 5560] close(21) = -1 EBADF (Bad file descriptor)
[pid 5560] close(22) = -1 EBADF (Bad file descriptor)
[pid 5560] close(23) = -1 EBADF (Bad file descriptor)
[pid 5560] close(24) = -1 EBADF (Bad file descriptor)
[pid 5560] close(25) = -1 EBADF (Bad file descriptor)
[pid 5560] close(26) = -1 EBADF (Bad file descriptor)
[pid 5560] close(27) = -1 EBADF (Bad file descriptor)
[pid 5560] close(28) = -1 EBADF (Bad file descriptor)
[pid 5560] close(29) = -1 EBADF (Bad file descriptor)
[pid 5560] exit_group(0) = ?
[pid 5560] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./558", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./558", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./558/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./558/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./558/cgroup.cpu") = 0
[pid 5000] umount2("./558/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./558/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./558/binderfs") = 0
[pid 5000] umount2("./558/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./558/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./558/cgroup") = 0
[pid 5000] umount2("./558/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./558/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./558/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./558") = 0
[pid 5000] mkdir("./559", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5561 attached
<unfinished ...>
[pid 5561] chdir("./559") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 561
[pid 5561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5561] setpgid(0, 0) = 0
[pid 5561] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5561] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5561] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5561] write(3, "1000", 4) = 4
[pid 5561] close(3) = 0
[pid 5561] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5561] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5561] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5561] openat(3, "freezer.state", O_RDWR) = 4
[pid 5561] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5561] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5561] close(3) = 0
[pid 5561] close(4) = 0
[pid 5561] close(5) = -1 EBADF (Bad file descriptor)
[pid 5561] close(6) = -1 EBADF (Bad file descriptor)
[pid 5561] close(7) = -1 EBADF (Bad file descriptor)
[pid 5561] close(8) = -1 EBADF (Bad file descriptor)
[pid 5561] close(9) = -1 EBADF (Bad file descriptor)
[pid 5561] close(10) = -1 EBADF (Bad file descriptor)
[pid 5561] close(11) = -1 EBADF (Bad file descriptor)
[pid 5561] close(12) = -1 EBADF (Bad file descriptor)
[pid 5561] close(13) = -1 EBADF (Bad file descriptor)
[pid 5561] close(14) = -1 EBADF (Bad file descriptor)
[pid 5561] close(15) = -1 EBADF (Bad file descriptor)
[pid 5561] close(16) = -1 EBADF (Bad file descriptor)
[pid 5561] close(17) = -1 EBADF (Bad file descriptor)
[pid 5561] close(18) = -1 EBADF (Bad file descriptor)
[pid 5561] close(19) = -1 EBADF (Bad file descriptor)
[pid 5561] close(20) = -1 EBADF (Bad file descriptor)
[pid 5561] close(21) = -1 EBADF (Bad file descriptor)
[pid 5561] close(22) = -1 EBADF (Bad file descriptor)
[pid 5561] close(23) = -1 EBADF (Bad file descriptor)
[pid 5561] close(24) = -1 EBADF (Bad file descriptor)
[pid 5561] close(25) = -1 EBADF (Bad file descriptor)
[pid 5561] close(26) = -1 EBADF (Bad file descriptor)
[pid 5561] close(27) = -1 EBADF (Bad file descriptor)
[pid 5561] close(28) = -1 EBADF (Bad file descriptor)
[pid 5561] close(29) = -1 EBADF (Bad file descriptor)
[pid 5561] exit_group(0) = ?
[pid 5561] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./559", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./559", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./559/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./559/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./559/cgroup.cpu") = 0
[pid 5000] umount2("./559/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./559/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./559/binderfs") = 0
[pid 5000] umount2("./559/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./559/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./559/cgroup") = 0
[pid 5000] umount2("./559/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./559/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./559/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./559") = 0
[pid 5000] mkdir("./560", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 562
./strace-static-x86_64: Process 5562 attached
[pid 5562] chdir("./560") = 0
[pid 5562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5562] setpgid(0, 0) = 0
[pid 5562] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5562] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5562] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5562] write(3, "1000", 4) = 4
[pid 5562] close(3) = 0
[pid 5562] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5562] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5562] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5562] openat(3, "freezer.state", O_RDWR) = 4
[pid 5562] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5562] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5562] close(3) = 0
[pid 5562] close(4) = 0
[pid 5562] close(5) = -1 EBADF (Bad file descriptor)
[pid 5562] close(6) = -1 EBADF (Bad file descriptor)
[pid 5562] close(7) = -1 EBADF (Bad file descriptor)
[pid 5562] close(8) = -1 EBADF (Bad file descriptor)
[pid 5562] close(9) = -1 EBADF (Bad file descriptor)
[pid 5562] close(10) = -1 EBADF (Bad file descriptor)
[pid 5562] close(11) = -1 EBADF (Bad file descriptor)
[pid 5562] close(12) = -1 EBADF (Bad file descriptor)
[pid 5562] close(13) = -1 EBADF (Bad file descriptor)
[pid 5562] close(14) = -1 EBADF (Bad file descriptor)
[pid 5562] close(15) = -1 EBADF (Bad file descriptor)
[pid 5562] close(16) = -1 EBADF (Bad file descriptor)
[pid 5562] close(17) = -1 EBADF (Bad file descriptor)
[pid 5562] close(18) = -1 EBADF (Bad file descriptor)
[pid 5562] close(19) = -1 EBADF (Bad file descriptor)
[pid 5562] close(20) = -1 EBADF (Bad file descriptor)
[pid 5562] close(21) = -1 EBADF (Bad file descriptor)
[pid 5562] close(22) = -1 EBADF (Bad file descriptor)
[pid 5562] close(23) = -1 EBADF (Bad file descriptor)
[pid 5562] close(24) = -1 EBADF (Bad file descriptor)
[pid 5562] close(25) = -1 EBADF (Bad file descriptor)
[pid 5562] close(26) = -1 EBADF (Bad file descriptor)
[pid 5562] close(27) = -1 EBADF (Bad file descriptor)
[pid 5562] close(28) = -1 EBADF (Bad file descriptor)
[pid 5562] close(29) = -1 EBADF (Bad file descriptor)
[pid 5562] exit_group(0) = ?
[pid 5562] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./560", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./560", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./560/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./560/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./560/cgroup.cpu") = 0
[pid 5000] umount2("./560/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./560/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./560/binderfs") = 0
[pid 5000] umount2("./560/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./560/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./560/cgroup") = 0
[pid 5000] umount2("./560/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./560/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./560/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./560") = 0
[pid 5000] mkdir("./561", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555723f5d0) = 563
./strace-static-x86_64: Process 5563 attached
[pid 5563] chdir("./561") = 0
[pid 5563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5563] setpgid(0, 0) = 0
[pid 5563] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5563] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5563] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5563] write(3, "1000", 4) = 4
[pid 5563] close(3) = 0
[pid 5563] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5563] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5563] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5563] openat(3, "freezer.state", O_RDWR) = 4
[pid 5563] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5563] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5563] close(3) = 0
[pid 5563] close(4) = 0
[pid 5563] close(5) = -1 EBADF (Bad file descriptor)
[pid 5563] close(6) = -1 EBADF (Bad file descriptor)
[pid 5563] close(7) = -1 EBADF (Bad file descriptor)
[pid 5563] close(8) = -1 EBADF (Bad file descriptor)
[pid 5563] close(9) = -1 EBADF (Bad file descriptor)
[pid 5563] close(10) = -1 EBADF (Bad file descriptor)
[pid 5563] close(11) = -1 EBADF (Bad file descriptor)
[pid 5563] close(12) = -1 EBADF (Bad file descriptor)
[pid 5563] close(13) = -1 EBADF (Bad file descriptor)
[pid 5563] close(14) = -1 EBADF (Bad file descriptor)
[pid 5563] close(15) = -1 EBADF (Bad file descriptor)
[pid 5563] close(16) = -1 EBADF (Bad file descriptor)
[pid 5563] close(17) = -1 EBADF (Bad file descriptor)
[pid 5563] close(18) = -1 EBADF (Bad file descriptor)
[pid 5563] close(19) = -1 EBADF (Bad file descriptor)
[pid 5563] close(20) = -1 EBADF (Bad file descriptor)
[pid 5563] close(21) = -1 EBADF (Bad file descriptor)
[pid 5563] close(22) = -1 EBADF (Bad file descriptor)
[pid 5563] close(23) = -1 EBADF (Bad file descriptor)
[pid 5563] close(24) = -1 EBADF (Bad file descriptor)
[pid 5563] close(25) = -1 EBADF (Bad file descriptor)
[pid 5563] close(26) = -1 EBADF (Bad file descriptor)
[pid 5563] close(27) = -1 EBADF (Bad file descriptor)
[pid 5563] close(28) = -1 EBADF (Bad file descriptor)
[pid 5563] close(29) = -1 EBADF (Bad file descriptor)
[pid 5563] exit_group(0) = ?
[pid 5563] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] umount2("./561", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./561", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./561/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./561/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./561/cgroup.cpu") = 0
[pid 5000] umount2("./561/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./561/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./561/binderfs") = 0
[pid 5000] umount2("./561/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./561/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./561/cgroup") = 0
[pid 5000] umount2("./561/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./561/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./561/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./561") = 0
[pid 5000] mkdir("./562", 0777) = 0
[pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5564 attached
<unfinished ...>
[pid 5564] chdir("./562") = 0
[pid 5000] <... clone resumed>, child_tidptr=0x55555723f5d0) = 564
[pid 5564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5564] setpgid(0, 0) = 0
[pid 5564] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid 5564] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid 5564] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid 5564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5564] write(3, "1000", 4) = 4
[pid 5564] close(3) = 0
[pid 5564] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5564] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists)
[pid 5564] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3
[pid 5564] openat(3, "freezer.state", O_RDWR) = 4
[pid 5564] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7
[pid 5564] mkdirat(3, "syz0", 0777) = -1 EEXIST (File exists)
[pid 5564] close(3) = 0
[pid 5564] close(4) = 0
[pid 5564] close(5) = -1 EBADF (Bad file descriptor)
[pid 5564] close(6) = -1 EBADF (Bad file descriptor)
[pid 5564] close(7) = -1 EBADF (Bad file descriptor)
[pid 5564] close(8) = -1 EBADF (Bad file descriptor)
[pid 5564] close(9) = -1 EBADF (Bad file descriptor)
[pid 5564] close(10) = -1 EBADF (Bad file descriptor)
[pid 5564] close(11) = -1 EBADF (Bad file descriptor)
[pid 5564] close(12) = -1 EBADF (Bad file descriptor)
[pid 5564] close(13) = -1 EBADF (Bad file descriptor)
[pid 5564] close(14) = -1 EBADF (Bad file descriptor)
[pid 5564] close(15) = -1 EBADF (Bad file descriptor)
[pid 5564] close(16) = -1 EBADF (Bad file descriptor)
[pid 5564] close(17) = -1 EBADF (Bad file descriptor)
[pid 5564] close(18) = -1 EBADF (Bad file descriptor)
[pid 5564] close(19) = -1 EBADF (Bad file descriptor)
[pid 5564] close(20) = -1 EBADF (Bad file descriptor)
[pid 5564] close(21) = -1 EBADF (Bad file descriptor)
[pid 5564] close(22) = -1 EBADF (Bad file descriptor)
[pid 5564] close(23) = -1 EBADF (Bad file descriptor)
[pid 5564] close(24) = -1 EBADF (Bad file descriptor)
[pid 5564] close(25) = -1 EBADF (Bad file descriptor)
[pid 5564] close(26) = -1 EBADF (Bad file descriptor)
[pid 5564] close(27) = -1 EBADF (Bad file descriptor)
[pid 5564] close(28) = -1 EBADF (Bad file descriptor)
[pid 5564] close(29) = -1 EBADF (Bad file descriptor)
[pid 5564] exit_group(0) = ?
[pid 5564] +++ exited with 0 +++
[pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5000] umount2("./562", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] openat(AT_FDCWD, "./562", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 5000] getdents64(3, 0x555557240620 /* 6 entries */, 32768) = 176
[pid 5000] umount2("./562/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./562/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./562/cgroup.cpu") = 0
[pid 5000] umount2("./562/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./562/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid 5000] unlink("./562/binderfs") = 0
[pid 5000] umount2("./562/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./562/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0
[pid 5000] unlink("./562/cgroup") = 0
[pid 5000] umount2("./562/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5000] lstat("./562/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 5000] unlink("./562/cgroup.net") = 0
[pid 5000] getdents64(3, 0x555557240620 /* 0 entries */, 32768) = 0
[pid 5000] close(3) = 0
[pid 5000] rmdir("./562") = 0