./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2295385706 <...> DUID 00:04:79:1d:56:62:bc:67:69:7e:f5:c2:9b:6f:b3:f3:7d:3d forked to background, child pid 3182 [ 28.948956][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.958676][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.100' (ECDSA) to the list of known hosts. execve("./syz-executor2295385706", ["./syz-executor2295385706"], 0x7ffcea45a290 /* 10 vars */) = 0 brk(NULL) = 0x555556c0f000 brk(0x555556c0fc40) = 0x555556c0fc40 arch_prctl(ARCH_SET_FS, 0x555556c0f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2295385706", 4096) = 28 brk(0x555556c30c40) = 0x555556c30c40 brk(0x555556c31000) = 0x555556c31000 mprotect(0x7fe895094000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+memory", 7) = 7 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 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: [ 51.282215][ T3604] 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") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) [ 51.417919][ T3604] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 getpid() = 3604 mkdir("./syzkaller.x2uasG", 0700) = 0 chmod("./syzkaller.x2uasG", 0777) = 0 chdir("./syzkaller.x2uasG") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3605 attached , child_tidptr=0x555556c0f5d0) = 3605 [pid 3605] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] setsid() = 1 [pid 3605] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3605] unshare(CLONE_NEWNS) = 0 [pid 3605] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3605] unshare(CLONE_NEWIPC) = 0 [pid 3605] unshare(CLONE_NEWCGROUP) = 0 [pid 3605] unshare(CLONE_NEWUTS) = 0 [pid 3605] unshare(CLONE_SYSVSEM) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "16777216", 8) = 8 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "536870912", 9) = 9 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "8192", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3605] close(3) = 0 [pid 3605] getpid() = 1 [pid 3605] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3606] chdir("./0" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 2 [pid 3606] <... chdir resumed>) = 0 [pid 3606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3606] setpgid(0, 0) = 0 [pid 3606] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3606] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3606] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1000", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 3606] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3606] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3606] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = 0 [pid 3606] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3606] openat(3, "freezer.state", O_RDWR) = 4 [ 51.660546][ T3606] [ 51.662911][ T3606] ====================================================== [ 51.669910][ T3606] WARNING: possible circular locking dependency detected [ 51.676921][ T3606] 6.1.0-rc2-syzkaller-00201-ga2c65a9d0568 #0 Not tainted [ 51.683921][ T3606] ------------------------------------------------------ [ 51.690917][ T3606] syz-executor229/3606 is trying to acquire lock: [ 51.697319][ T3606] ffffffff8be35130 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc+0xe/0x20 [ 51.706739][ T3606] [ 51.706739][ T3606] but task is already holding lock: [ 51.714091][ T3606] ffffffff8bfda0c8 (freezer_mutex){+.+.}-{3:3}, at: freezer_write+0x98/0xa50 [ 51.722887][ T3606] [ 51.722887][ T3606] which lock already depends on the new lock. [ 51.722887][ T3606] [ 51.733278][ T3606] [ 51.733278][ T3606] the existing dependency chain (in reverse order) is: [ 51.742298][ T3606] [ 51.742298][ T3606] -> #2 (freezer_mutex){+.+.}-{3:3}: [ 51.749772][ T3606] __mutex_lock+0x12f/0x1350 [ 51.754905][ T3606] freezer_attach+0x70/0x1f0 [ 51.760021][ T3606] cgroup_migrate_execute+0xbcf/0x1230 [ 51.766013][ T3606] cgroup_attach_task+0x41c/0x870 [ 51.771584][ T3606] __cgroup1_procs_write.constprop.0+0x3be/0x4b0 [ 51.778460][ T3606] cgroup_file_write+0x1de/0x770 [ 51.783956][ T3606] kernfs_fop_write_iter+0x3f8/0x610 [ 51.789797][ T3606] vfs_write+0x9e9/0xdd0 [ 51.794574][ T3606] ksys_write+0x127/0x250 [ 51.799437][ T3606] do_syscall_64+0x35/0xb0 [ 51.804388][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.810817][ T3606] [ 51.810817][ T3606] -> #1 (cgroup_threadgroup_rwsem){++++}-{0:0}: [ 51.819246][ T3606] percpu_down_write+0x4f/0x390 [ 51.824624][ T3606] cgroup_procs_write_start+0x151/0x630 [ 51.830710][ T3606] __cgroup_procs_write+0xd7/0x650 [ 51.836376][ T3606] cgroup_procs_write+0x22/0x50 [ 51.841761][ T3606] cgroup_file_write+0x1de/0x770 [ 51.847226][ T3606] kernfs_fop_write_iter+0x3f8/0x610 [ 51.853037][ T3606] vfs_write+0x9e9/0xdd0 [ 51.857809][ T3606] ksys_write+0x127/0x250 [ 51.862679][ T3606] do_syscall_64+0x35/0xb0 [ 51.867628][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.874053][ T3606] [ 51.874053][ T3606] -> #0 (cpu_hotplug_lock){++++}-{0:0}: [ 51.881788][ T3606] __lock_acquire+0x2a43/0x56d0 [ 51.887165][ T3606] lock_acquire+0x1df/0x630 [ 51.892191][ T3606] cpus_read_lock+0x3e/0x140 [ 51.897317][ T3606] static_key_slow_inc+0xe/0x20 [ 51.902701][ T3606] freezer_apply_state+0x1e1/0x260 [ 51.908338][ T3606] freezer_write+0x571/0xa50 [ 51.913452][ T3606] cgroup_file_write+0x1de/0x770 [ 51.918926][ T3606] kernfs_fop_write_iter+0x3f8/0x610 [ 51.924736][ T3606] vfs_write+0x9e9/0xdd0 [ 51.929511][ T3606] ksys_write+0x127/0x250 [ 51.934380][ T3606] do_syscall_64+0x35/0xb0 [ 51.939332][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.945757][ T3606] [ 51.945757][ T3606] other info that might help us debug this: [ 51.945757][ T3606] [ 51.955974][ T3606] Chain exists of: [ 51.955974][ T3606] cpu_hotplug_lock --> cgroup_threadgroup_rwsem --> freezer_mutex [ 51.955974][ T3606] [ 51.969719][ T3606] Possible unsafe locking scenario: [ 51.969719][ T3606] [ 51.977166][ T3606] CPU0 CPU1 [ 51.982527][ T3606] ---- ---- [ 51.987885][ T3606] lock(freezer_mutex); [ 51.992131][ T3606] lock(cgroup_threadgroup_rwsem); [ 51.999848][ T3606] lock(freezer_mutex); [ 52.006609][ T3606] lock(cpu_hotplug_lock); [ 52.011124][ T3606] [ 52.011124][ T3606] *** DEADLOCK *** [ 52.011124][ T3606] [ 52.019271][ T3606] 4 locks held by syz-executor229/3606: [ 52.024820][ T3606] #0: ffff888079bc2460 (sb_writers#10){.+.+}-{0:0}, at: ksys_write+0x127/0x250 [ 52.033913][ T3606] #1: ffff88801fa91c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x28c/0x610 [ 52.043679][ T3606] #2: ffff888145b99a00 (kn->active#56){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b0/0x610 [ 52.053708][ T3606] #3: ffffffff8bfda0c8 (freezer_mutex){+.+.}-{3:3}, at: freezer_write+0x98/0xa50 [ 52.062953][ T3606] [ 52.062953][ T3606] stack backtrace: [ 52.068831][ T3606] CPU: 0 PID: 3606 Comm: syz-executor229 Not tainted 6.1.0-rc2-syzkaller-00201-ga2c65a9d0568 #0 [ 52.079242][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 52.089294][ T3606] Call Trace: [ 52.092573][ T3606] [ 52.095505][ T3606] dump_stack_lvl+0xcd/0x134 [ 52.100112][ T3606] check_noncircular+0x25f/0x2e0 [ 52.105074][ T3606] ? print_circular_bug+0x1e0/0x1e0 [ 52.110276][ T3606] ? lock_chain_count+0x20/0x20 [ 52.115133][ T3606] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 52.121123][ T3606] __lock_acquire+0x2a43/0x56d0 [ 52.125985][ T3606] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 52.131980][ T3606] lock_acquire+0x1df/0x630 [ 52.136489][ T3606] ? static_key_slow_inc+0xe/0x20 [ 52.141527][ T3606] ? lock_release+0x810/0x810 [ 52.146207][ T3606] ? find_held_lock+0x2d/0x110 [ 52.150976][ T3606] cpus_read_lock+0x3e/0x140 [ 52.155582][ T3606] ? static_key_slow_inc+0xe/0x20 [ 52.160619][ T3606] static_key_slow_inc+0xe/0x20 [ 52.165480][ T3606] freezer_apply_state+0x1e1/0x260 [ 52.170607][ T3606] freezer_write+0x571/0xa50 [ 52.175206][ T3606] ? mutex_lock_io_nested+0x1190/0x1190 [ 52.180763][ T3606] cgroup_file_write+0x1de/0x770 [ 52.185717][ T3606] ? freezer_fork+0x490/0x490 [ 52.190403][ T3606] ? kill_css+0x370/0x370 [ 52.194743][ T3606] ? __virt_addr_valid+0x5d/0x2d0 [ 52.199783][ T3606] ? kill_css+0x370/0x370 [ 52.204120][ T3606] kernfs_fop_write_iter+0x3f8/0x610 [ 52.209414][ T3606] vfs_write+0x9e9/0xdd0 [ 52.213672][ T3606] ? kernel_write+0x630/0x630 [ 52.218363][ T3606] ? find_held_lock+0x2d/0x110 [ 52.223139][ T3606] ? lock_downgrade+0x6e0/0x6e0 [ 52.227996][ T3606] ? __fget_light+0x20a/0x270 [ 52.232685][ T3606] ksys_write+0x127/0x250 [ 52.237029][ T3606] ? __ia32_sys_read+0xb0/0xb0 [ 52.241807][ T3606] ? lockdep_hardirqs_on+0x79/0x100 [ 52.247011][ T3606] ? _raw_spin_unlock_irq+0x2a/0x40 [ 52.252220][ T3606] ? ptrace_notify+0xfa/0x140 [ 52.256904][ T3606] do_syscall_64+0x35/0xb0 [ 52.261338][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.267242][ T3606] RIP: 0033:0x7fe89501f769 [ 52.271658][ T3606] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 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 [ 52.291266][ T3606] RSP: 002b:00007fff9816df18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.299683][ T3606] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe89501f769 [pid 3606] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3606] close(3) = 0 [pid 3606] close(4) = 0 [pid 3606] close(5) = -1 EBADF (Bad file descriptor) [pid 3606] close(6) = -1 EBADF (Bad file descriptor) [pid 3606] close(7) = -1 EBADF (Bad file descriptor) [pid 3606] close(8) = -1 EBADF (Bad file descriptor) [pid 3606] close(9) = -1 EBADF (Bad file descriptor) [pid 3606] close(10) = -1 EBADF (Bad file descriptor) [pid 3606] close(11) = -1 EBADF (Bad file descriptor) [pid 3606] close(12) = -1 EBADF (Bad file descriptor) [pid 3606] close(13) = -1 EBADF (Bad file descriptor) [pid 3606] close(14) = -1 EBADF (Bad file descriptor) [pid 3606] close(15) = -1 EBADF (Bad file descriptor) [pid 3606] close(16) = -1 EBADF (Bad file descriptor) [pid 3606] close(17) = -1 EBADF (Bad file descriptor) [pid 3606] close(18) = -1 EBADF (Bad file descriptor) [pid 3606] close(19) = -1 EBADF (Bad file descriptor) [pid 3606] close(20) = -1 EBADF (Bad file descriptor) [pid 3606] close(21) = -1 EBADF (Bad file descriptor) [pid 3606] close(22) = -1 EBADF (Bad file descriptor) [pid 3606] close(23) = -1 EBADF (Bad file descriptor) [pid 3606] close(24) = -1 EBADF (Bad file descriptor) [pid 3606] close(25) = -1 EBADF (Bad file descriptor) [pid 3606] close(26) = -1 EBADF (Bad file descriptor) [pid 3606] close(27) = -1 EBADF (Bad file descriptor) [pid 3606] close(28) = -1 EBADF (Bad file descriptor) [pid 3606] close(29) = -1 EBADF (Bad file descriptor) [pid 3606] exit_group(0) = ? [pid 3606] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=69} --- [pid 3605] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./0/binderfs") = 0 [pid 3605] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./0/cgroup") = 0 [pid 3605] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./0/cgroup.net") = 0 [pid 3605] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./0/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./0") = 0 [pid 3605] mkdir("./1", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3607 attached , child_tidptr=0x555556c0f5d0) = 3 [pid 3607] chdir("./1") = 0 [pid 3607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3607] setpgid(0, 0) = 0 [pid 3607] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3607] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3607] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1000", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 3607] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3607] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3607] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3607] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3607] openat(3, "freezer.state", O_RDWR) = 4 [pid 3607] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3607] close(3) = 0 [pid 3607] close(4) = 0 [pid 3607] close(5) = -1 EBADF (Bad file descriptor) [pid 3607] close(6) = -1 EBADF (Bad file descriptor) [pid 3607] close(7) = -1 EBADF (Bad file descriptor) [pid 3607] close(8) = -1 EBADF (Bad file descriptor) [pid 3607] close(9) = -1 EBADF (Bad file descriptor) [pid 3607] close(10) = -1 EBADF (Bad file descriptor) [pid 3607] close(11) = -1 EBADF (Bad file descriptor) [pid 3607] close(12) = -1 EBADF (Bad file descriptor) [pid 3607] close(13) = -1 EBADF (Bad file descriptor) [pid 3607] close(14) = -1 EBADF (Bad file descriptor) [pid 3607] close(15) = -1 EBADF (Bad file descriptor) [pid 3607] close(16) = -1 EBADF (Bad file descriptor) [pid 3607] close(17) = -1 EBADF (Bad file descriptor) [pid 3607] close(18) = -1 EBADF (Bad file descriptor) [pid 3607] close(19) = -1 EBADF (Bad file descriptor) [pid 3607] close(20) = -1 EBADF (Bad file descriptor) [pid 3607] close(21) = -1 EBADF (Bad file descriptor) [pid 3607] close(22) = -1 EBADF (Bad file descriptor) [pid 3607] close(23) = -1 EBADF (Bad file descriptor) [pid 3607] close(24) = -1 EBADF (Bad file descriptor) [pid 3607] close(25) = -1 EBADF (Bad file descriptor) [pid 3607] close(26) = -1 EBADF (Bad file descriptor) [pid 3607] close(27) = -1 EBADF (Bad file descriptor) [pid 3607] close(28) = -1 EBADF (Bad file descriptor) [pid 3607] close(29) = -1 EBADF (Bad file descriptor) [pid 3607] exit_group(0) = ? [pid 3607] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./1/binderfs") = 0 [pid 3605] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./1/cgroup") = 0 [pid 3605] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./1/cgroup.net") = 0 [pid 3605] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./1/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./1") = 0 [pid 3605] mkdir("./2", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3608 attached [pid 3608] chdir("./2" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 4 [pid 3608] <... chdir resumed>) = 0 [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setpgid(0, 0) = 0 [pid 3608] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3608] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3608] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1000", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3608] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3608] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3608] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3608] openat(3, "freezer.state", O_RDWR) = 4 [pid 3608] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3608] close(3) = 0 [pid 3608] close(4) = 0 [ 52.307654][ T3606] RDX: 0000000000000007 RSI: 0000000020000040 RDI: 0000000000000004 [ 52.315624][ T3606] RBP: 0000000000000000 R08: 00007fff9816df40 R09: 00007fff9816df40 [ 52.323595][ T3606] R10: 00007fff9816df40 R11: 0000000000000246 R12: 00007fff9816df3c [ 52.331566][ T3606] R13: 00007fff9816df50 R14: 00007fff9816df90 R15: 0000000000000000 [ 52.339634][ T3606] [pid 3608] close(5) = -1 EBADF (Bad file descriptor) [pid 3608] close(6) = -1 EBADF (Bad file descriptor) [pid 3608] close(7) = -1 EBADF (Bad file descriptor) [pid 3608] close(8) = -1 EBADF (Bad file descriptor) [pid 3608] close(9) = -1 EBADF (Bad file descriptor) [pid 3608] close(10) = -1 EBADF (Bad file descriptor) [pid 3608] close(11) = -1 EBADF (Bad file descriptor) [pid 3608] close(12) = -1 EBADF (Bad file descriptor) [pid 3608] close(13) = -1 EBADF (Bad file descriptor) [pid 3608] close(14) = -1 EBADF (Bad file descriptor) [pid 3608] close(15) = -1 EBADF (Bad file descriptor) [pid 3608] close(16) = -1 EBADF (Bad file descriptor) [pid 3608] close(17) = -1 EBADF (Bad file descriptor) [pid 3608] close(18) = -1 EBADF (Bad file descriptor) [pid 3608] close(19) = -1 EBADF (Bad file descriptor) [pid 3608] close(20) = -1 EBADF (Bad file descriptor) [pid 3608] close(21) = -1 EBADF (Bad file descriptor) [pid 3608] close(22) = -1 EBADF (Bad file descriptor) [pid 3608] close(23) = -1 EBADF (Bad file descriptor) [pid 3608] close(24) = -1 EBADF (Bad file descriptor) [pid 3608] close(25) = -1 EBADF (Bad file descriptor) [pid 3608] close(26) = -1 EBADF (Bad file descriptor) [pid 3608] close(27) = -1 EBADF (Bad file descriptor) [pid 3608] close(28) = -1 EBADF (Bad file descriptor) [pid 3608] close(29) = -1 EBADF (Bad file descriptor) [pid 3608] exit_group(0) = ? [pid 3608] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./2/binderfs") = 0 [pid 3605] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./2/cgroup") = 0 [pid 3605] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./2/cgroup.net") = 0 [pid 3605] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./2/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./2") = 0 [pid 3605] mkdir("./3", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3609 attached , child_tidptr=0x555556c0f5d0) = 5 [pid 3609] chdir("./3") = 0 [pid 3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] setpgid(0, 0) = 0 [pid 3609] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3609] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3609] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1000", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3609] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3609] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3609] openat(3, "freezer.state", O_RDWR) = 4 [pid 3609] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3609] close(3) = 0 [pid 3609] close(4) = 0 [pid 3609] close(5) = -1 EBADF (Bad file descriptor) [pid 3609] close(6) = -1 EBADF (Bad file descriptor) [pid 3609] close(7) = -1 EBADF (Bad file descriptor) [pid 3609] close(8) = -1 EBADF (Bad file descriptor) [pid 3609] close(9) = -1 EBADF (Bad file descriptor) [pid 3609] close(10) = -1 EBADF (Bad file descriptor) [pid 3609] close(11) = -1 EBADF (Bad file descriptor) [pid 3609] close(12) = -1 EBADF (Bad file descriptor) [pid 3609] close(13) = -1 EBADF (Bad file descriptor) [pid 3609] close(14) = -1 EBADF (Bad file descriptor) [pid 3609] close(15) = -1 EBADF (Bad file descriptor) [pid 3609] close(16) = -1 EBADF (Bad file descriptor) [pid 3609] close(17) = -1 EBADF (Bad file descriptor) [pid 3609] close(18) = -1 EBADF (Bad file descriptor) [pid 3609] close(19) = -1 EBADF (Bad file descriptor) [pid 3609] close(20) = -1 EBADF (Bad file descriptor) [pid 3609] close(21) = -1 EBADF (Bad file descriptor) [pid 3609] close(22) = -1 EBADF (Bad file descriptor) [pid 3609] close(23) = -1 EBADF (Bad file descriptor) [pid 3609] close(24) = -1 EBADF (Bad file descriptor) [pid 3609] close(25) = -1 EBADF (Bad file descriptor) [pid 3609] close(26) = -1 EBADF (Bad file descriptor) [pid 3609] close(27) = -1 EBADF (Bad file descriptor) [pid 3609] close(28) = -1 EBADF (Bad file descriptor) [pid 3609] close(29) = -1 EBADF (Bad file descriptor) [pid 3609] exit_group(0) = ? [pid 3609] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./3/binderfs") = 0 [pid 3605] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./3/cgroup") = 0 [pid 3605] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./3/cgroup.net") = 0 [pid 3605] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./3/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./3") = 0 [pid 3605] mkdir("./4", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3610 attached , child_tidptr=0x555556c0f5d0) = 6 [pid 3610] chdir("./4") = 0 [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3610] setpgid(0, 0) = 0 [pid 3610] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3610] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3610] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1000", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3610] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3610] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3610] openat(3, "freezer.state", O_RDWR) = 4 [pid 3610] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3610] close(3) = 0 [pid 3610] close(4) = 0 [pid 3610] close(5) = -1 EBADF (Bad file descriptor) [pid 3610] close(6) = -1 EBADF (Bad file descriptor) [pid 3610] close(7) = -1 EBADF (Bad file descriptor) [pid 3610] close(8) = -1 EBADF (Bad file descriptor) [pid 3610] close(9) = -1 EBADF (Bad file descriptor) [pid 3610] close(10) = -1 EBADF (Bad file descriptor) [pid 3610] close(11) = -1 EBADF (Bad file descriptor) [pid 3610] close(12) = -1 EBADF (Bad file descriptor) [pid 3610] close(13) = -1 EBADF (Bad file descriptor) [pid 3610] close(14) = -1 EBADF (Bad file descriptor) [pid 3610] close(15) = -1 EBADF (Bad file descriptor) [pid 3610] close(16) = -1 EBADF (Bad file descriptor) [pid 3610] close(17) = -1 EBADF (Bad file descriptor) [pid 3610] close(18) = -1 EBADF (Bad file descriptor) [pid 3610] close(19) = -1 EBADF (Bad file descriptor) [pid 3610] close(20) = -1 EBADF (Bad file descriptor) [pid 3610] close(21) = -1 EBADF (Bad file descriptor) [pid 3610] close(22) = -1 EBADF (Bad file descriptor) [pid 3610] close(23) = -1 EBADF (Bad file descriptor) [pid 3610] close(24) = -1 EBADF (Bad file descriptor) [pid 3610] close(25) = -1 EBADF (Bad file descriptor) [pid 3610] close(26) = -1 EBADF (Bad file descriptor) [pid 3610] close(27) = -1 EBADF (Bad file descriptor) [pid 3610] close(28) = -1 EBADF (Bad file descriptor) [pid 3610] close(29) = -1 EBADF (Bad file descriptor) [pid 3610] exit_group(0) = ? [pid 3610] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./4/binderfs") = 0 [pid 3605] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./4/cgroup") = 0 [pid 3605] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./4/cgroup.net") = 0 [pid 3605] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./4/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./4") = 0 [pid 3605] mkdir("./5", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3611 attached [pid 3611] chdir("./5" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 7 [pid 3611] <... chdir resumed>) = 0 [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] setpgid(0, 0) = 0 [pid 3611] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3611] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3611] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3611] write(3, "1000", 4) = 4 [pid 3611] close(3) = 0 [pid 3611] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3611] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3611] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3611] openat(3, "freezer.state", O_RDWR) = 4 [pid 3611] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3611] close(3) = 0 [pid 3611] close(4) = 0 [pid 3611] close(5) = -1 EBADF (Bad file descriptor) [pid 3611] close(6) = -1 EBADF (Bad file descriptor) [pid 3611] close(7) = -1 EBADF (Bad file descriptor) [pid 3611] close(8) = -1 EBADF (Bad file descriptor) [pid 3611] close(9) = -1 EBADF (Bad file descriptor) [pid 3611] close(10) = -1 EBADF (Bad file descriptor) [pid 3611] close(11) = -1 EBADF (Bad file descriptor) [pid 3611] close(12) = -1 EBADF (Bad file descriptor) [pid 3611] close(13) = -1 EBADF (Bad file descriptor) [pid 3611] close(14) = -1 EBADF (Bad file descriptor) [pid 3611] close(15) = -1 EBADF (Bad file descriptor) [pid 3611] close(16) = -1 EBADF (Bad file descriptor) [pid 3611] close(17) = -1 EBADF (Bad file descriptor) [pid 3611] close(18) = -1 EBADF (Bad file descriptor) [pid 3611] close(19) = -1 EBADF (Bad file descriptor) [pid 3611] close(20) = -1 EBADF (Bad file descriptor) [pid 3611] close(21) = -1 EBADF (Bad file descriptor) [pid 3611] close(22) = -1 EBADF (Bad file descriptor) [pid 3611] close(23) = -1 EBADF (Bad file descriptor) [pid 3611] close(24) = -1 EBADF (Bad file descriptor) [pid 3611] close(25) = -1 EBADF (Bad file descriptor) [pid 3611] close(26) = -1 EBADF (Bad file descriptor) [pid 3611] close(27) = -1 EBADF (Bad file descriptor) [pid 3611] close(28) = -1 EBADF (Bad file descriptor) [pid 3611] close(29) = -1 EBADF (Bad file descriptor) [pid 3611] exit_group(0) = ? [pid 3611] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./5/binderfs") = 0 [pid 3605] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./5/cgroup") = 0 [pid 3605] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./5/cgroup.net") = 0 [pid 3605] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./5/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./5") = 0 [pid 3605] mkdir("./6", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3612 attached [pid 3612] chdir("./6" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 8 [pid 3612] <... chdir resumed>) = 0 [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3612] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3612] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3612] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3612] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3612] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3612] openat(3, "freezer.state", O_RDWR) = 4 [pid 3612] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3612] close(3) = 0 [pid 3612] close(4) = 0 [pid 3612] close(5) = -1 EBADF (Bad file descriptor) [pid 3612] close(6) = -1 EBADF (Bad file descriptor) [pid 3612] close(7) = -1 EBADF (Bad file descriptor) [pid 3612] close(8) = -1 EBADF (Bad file descriptor) [pid 3612] close(9) = -1 EBADF (Bad file descriptor) [pid 3612] close(10) = -1 EBADF (Bad file descriptor) [pid 3612] close(11) = -1 EBADF (Bad file descriptor) [pid 3612] close(12) = -1 EBADF (Bad file descriptor) [pid 3612] close(13) = -1 EBADF (Bad file descriptor) [pid 3612] close(14) = -1 EBADF (Bad file descriptor) [pid 3612] close(15) = -1 EBADF (Bad file descriptor) [pid 3612] close(16) = -1 EBADF (Bad file descriptor) [pid 3612] close(17) = -1 EBADF (Bad file descriptor) [pid 3612] close(18) = -1 EBADF (Bad file descriptor) [pid 3612] close(19) = -1 EBADF (Bad file descriptor) [pid 3612] close(20) = -1 EBADF (Bad file descriptor) [pid 3612] close(21) = -1 EBADF (Bad file descriptor) [pid 3612] close(22) = -1 EBADF (Bad file descriptor) [pid 3612] close(23) = -1 EBADF (Bad file descriptor) [pid 3612] close(24) = -1 EBADF (Bad file descriptor) [pid 3612] close(25) = -1 EBADF (Bad file descriptor) [pid 3612] close(26) = -1 EBADF (Bad file descriptor) [pid 3612] close(27) = -1 EBADF (Bad file descriptor) [pid 3612] close(28) = -1 EBADF (Bad file descriptor) [pid 3612] close(29) = -1 EBADF (Bad file descriptor) [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./6/binderfs") = 0 [pid 3605] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./6/cgroup") = 0 [pid 3605] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./6/cgroup.net") = 0 [pid 3605] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./6/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./6") = 0 [pid 3605] mkdir("./7", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3613 attached [pid 3613] chdir("./7") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 9 [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3613] setpgid(0, 0) = 0 [pid 3613] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3613] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3613] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1000", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3613] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3613] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3613] openat(3, "freezer.state", O_RDWR) = 4 [pid 3613] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3613] close(3) = 0 [pid 3613] close(4) = 0 [pid 3613] close(5) = -1 EBADF (Bad file descriptor) [pid 3613] close(6) = -1 EBADF (Bad file descriptor) [pid 3613] close(7) = -1 EBADF (Bad file descriptor) [pid 3613] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] close(9) = -1 EBADF (Bad file descriptor) [pid 3613] close(10) = -1 EBADF (Bad file descriptor) [pid 3613] close(11) = -1 EBADF (Bad file descriptor) [pid 3613] close(12) = -1 EBADF (Bad file descriptor) [pid 3613] close(13) = -1 EBADF (Bad file descriptor) [pid 3613] close(14) = -1 EBADF (Bad file descriptor) [pid 3613] close(15) = -1 EBADF (Bad file descriptor) [pid 3613] close(16) = -1 EBADF (Bad file descriptor) [pid 3613] close(17) = -1 EBADF (Bad file descriptor) [pid 3613] close(18) = -1 EBADF (Bad file descriptor) [pid 3613] close(19) = -1 EBADF (Bad file descriptor) [pid 3613] close(20) = -1 EBADF (Bad file descriptor) [pid 3613] close(21) = -1 EBADF (Bad file descriptor) [pid 3613] close(22) = -1 EBADF (Bad file descriptor) [pid 3613] close(23) = -1 EBADF (Bad file descriptor) [pid 3613] close(24) = -1 EBADF (Bad file descriptor) [pid 3613] close(25) = -1 EBADF (Bad file descriptor) [pid 3613] close(26) = -1 EBADF (Bad file descriptor) [pid 3613] close(27) = -1 EBADF (Bad file descriptor) [pid 3613] close(28) = -1 EBADF (Bad file descriptor) [pid 3613] close(29) = -1 EBADF (Bad file descriptor) [pid 3613] exit_group(0) = ? [pid 3613] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./7/binderfs") = 0 [pid 3605] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./7/cgroup") = 0 [pid 3605] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./7/cgroup.net") = 0 [pid 3605] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./7/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./7") = 0 [pid 3605] mkdir("./8", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3614 attached [pid 3614] chdir("./8") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 10 [pid 3614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3614] setpgid(0, 0) = 0 [pid 3614] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3614] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3614] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1000", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3614] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3614] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3614] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3614] openat(3, "freezer.state", O_RDWR) = 4 [pid 3614] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3614] close(3) = 0 [pid 3614] close(4) = 0 [pid 3614] close(5) = -1 EBADF (Bad file descriptor) [pid 3614] close(6) = -1 EBADF (Bad file descriptor) [pid 3614] close(7) = -1 EBADF (Bad file descriptor) [pid 3614] close(8) = -1 EBADF (Bad file descriptor) [pid 3614] close(9) = -1 EBADF (Bad file descriptor) [pid 3614] close(10) = -1 EBADF (Bad file descriptor) [pid 3614] close(11) = -1 EBADF (Bad file descriptor) [pid 3614] close(12) = -1 EBADF (Bad file descriptor) [pid 3614] close(13) = -1 EBADF (Bad file descriptor) [pid 3614] close(14) = -1 EBADF (Bad file descriptor) [pid 3614] close(15) = -1 EBADF (Bad file descriptor) [pid 3614] close(16) = -1 EBADF (Bad file descriptor) [pid 3614] close(17) = -1 EBADF (Bad file descriptor) [pid 3614] close(18) = -1 EBADF (Bad file descriptor) [pid 3614] close(19) = -1 EBADF (Bad file descriptor) [pid 3614] close(20) = -1 EBADF (Bad file descriptor) [pid 3614] close(21) = -1 EBADF (Bad file descriptor) [pid 3614] close(22) = -1 EBADF (Bad file descriptor) [pid 3614] close(23) = -1 EBADF (Bad file descriptor) [pid 3614] close(24) = -1 EBADF (Bad file descriptor) [pid 3614] close(25) = -1 EBADF (Bad file descriptor) [pid 3614] close(26) = -1 EBADF (Bad file descriptor) [pid 3614] close(27) = -1 EBADF (Bad file descriptor) [pid 3614] close(28) = -1 EBADF (Bad file descriptor) [pid 3614] close(29) = -1 EBADF (Bad file descriptor) [pid 3614] exit_group(0) = ? [pid 3614] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./8/binderfs") = 0 [pid 3605] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./8/cgroup") = 0 [pid 3605] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./8/cgroup.net") = 0 [pid 3605] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./8/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./8") = 0 [pid 3605] mkdir("./9", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3615 attached [pid 3615] chdir("./9") = 0 [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3615] setpgid(0, 0) = 0 [pid 3615] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3615] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 11 [pid 3615] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1000", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3615] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3615] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3615] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3615] openat(3, "freezer.state", O_RDWR) = 4 [pid 3615] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3615] close(3) = 0 [pid 3615] close(4) = 0 [pid 3615] close(5) = -1 EBADF (Bad file descriptor) [pid 3615] close(6) = -1 EBADF (Bad file descriptor) [pid 3615] close(7) = -1 EBADF (Bad file descriptor) [pid 3615] close(8) = -1 EBADF (Bad file descriptor) [pid 3615] close(9) = -1 EBADF (Bad file descriptor) [pid 3615] close(10) = -1 EBADF (Bad file descriptor) [pid 3615] close(11) = -1 EBADF (Bad file descriptor) [pid 3615] close(12) = -1 EBADF (Bad file descriptor) [pid 3615] close(13) = -1 EBADF (Bad file descriptor) [pid 3615] close(14) = -1 EBADF (Bad file descriptor) [pid 3615] close(15) = -1 EBADF (Bad file descriptor) [pid 3615] close(16) = -1 EBADF (Bad file descriptor) [pid 3615] close(17) = -1 EBADF (Bad file descriptor) [pid 3615] close(18) = -1 EBADF (Bad file descriptor) [pid 3615] close(19) = -1 EBADF (Bad file descriptor) [pid 3615] close(20) = -1 EBADF (Bad file descriptor) [pid 3615] close(21) = -1 EBADF (Bad file descriptor) [pid 3615] close(22) = -1 EBADF (Bad file descriptor) [pid 3615] close(23) = -1 EBADF (Bad file descriptor) [pid 3615] close(24) = -1 EBADF (Bad file descriptor) [pid 3615] close(25) = -1 EBADF (Bad file descriptor) [pid 3615] close(26) = -1 EBADF (Bad file descriptor) [pid 3615] close(27) = -1 EBADF (Bad file descriptor) [pid 3615] close(28) = -1 EBADF (Bad file descriptor) [pid 3615] close(29) = -1 EBADF (Bad file descriptor) [pid 3615] exit_group(0) = ? [pid 3615] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./9/binderfs") = 0 [pid 3605] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./9/cgroup") = 0 [pid 3605] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./9/cgroup.net") = 0 [pid 3605] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./9/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./9") = 0 [pid 3605] mkdir("./10", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3616 attached , child_tidptr=0x555556c0f5d0) = 12 [pid 3616] chdir("./10") = 0 [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3616] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3616] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3616] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3616] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3616] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3616] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3616] openat(3, "freezer.state", O_RDWR) = 4 [pid 3616] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3616] close(3) = 0 [pid 3616] close(4) = 0 [pid 3616] close(5) = -1 EBADF (Bad file descriptor) [pid 3616] close(6) = -1 EBADF (Bad file descriptor) [pid 3616] close(7) = -1 EBADF (Bad file descriptor) [pid 3616] close(8) = -1 EBADF (Bad file descriptor) [pid 3616] close(9) = -1 EBADF (Bad file descriptor) [pid 3616] close(10) = -1 EBADF (Bad file descriptor) [pid 3616] close(11) = -1 EBADF (Bad file descriptor) [pid 3616] close(12) = -1 EBADF (Bad file descriptor) [pid 3616] close(13) = -1 EBADF (Bad file descriptor) [pid 3616] close(14) = -1 EBADF (Bad file descriptor) [pid 3616] close(15) = -1 EBADF (Bad file descriptor) [pid 3616] close(16) = -1 EBADF (Bad file descriptor) [pid 3616] close(17) = -1 EBADF (Bad file descriptor) [pid 3616] close(18) = -1 EBADF (Bad file descriptor) [pid 3616] close(19) = -1 EBADF (Bad file descriptor) [pid 3616] close(20) = -1 EBADF (Bad file descriptor) [pid 3616] close(21) = -1 EBADF (Bad file descriptor) [pid 3616] close(22) = -1 EBADF (Bad file descriptor) [pid 3616] close(23) = -1 EBADF (Bad file descriptor) [pid 3616] close(24) = -1 EBADF (Bad file descriptor) [pid 3616] close(25) = -1 EBADF (Bad file descriptor) [pid 3616] close(26) = -1 EBADF (Bad file descriptor) [pid 3616] close(27) = -1 EBADF (Bad file descriptor) [pid 3616] close(28) = -1 EBADF (Bad file descriptor) [pid 3616] close(29) = -1 EBADF (Bad file descriptor) [pid 3616] exit_group(0) = ? [pid 3616] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./10/binderfs") = 0 [pid 3605] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./10/cgroup") = 0 [pid 3605] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./10/cgroup.net") = 0 [pid 3605] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./10/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./10") = 0 [pid 3605] mkdir("./11", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3617 attached , child_tidptr=0x555556c0f5d0) = 13 [pid 3617] chdir("./11") = 0 [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] setpgid(0, 0) = 0 [pid 3617] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3617] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3617] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1000", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3617] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3617] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3617] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3617] openat(3, "freezer.state", O_RDWR) = 4 [pid 3617] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3617] close(3) = 0 [pid 3617] close(4) = 0 [pid 3617] close(5) = -1 EBADF (Bad file descriptor) [pid 3617] close(6) = -1 EBADF (Bad file descriptor) [pid 3617] close(7) = -1 EBADF (Bad file descriptor) [pid 3617] close(8) = -1 EBADF (Bad file descriptor) [pid 3617] close(9) = -1 EBADF (Bad file descriptor) [pid 3617] close(10) = -1 EBADF (Bad file descriptor) [pid 3617] close(11) = -1 EBADF (Bad file descriptor) [pid 3617] close(12) = -1 EBADF (Bad file descriptor) [pid 3617] close(13) = -1 EBADF (Bad file descriptor) [pid 3617] close(14) = -1 EBADF (Bad file descriptor) [pid 3617] close(15) = -1 EBADF (Bad file descriptor) [pid 3617] close(16) = -1 EBADF (Bad file descriptor) [pid 3617] close(17) = -1 EBADF (Bad file descriptor) [pid 3617] close(18) = -1 EBADF (Bad file descriptor) [pid 3617] close(19) = -1 EBADF (Bad file descriptor) [pid 3617] close(20) = -1 EBADF (Bad file descriptor) [pid 3617] close(21) = -1 EBADF (Bad file descriptor) [pid 3617] close(22) = -1 EBADF (Bad file descriptor) [pid 3617] close(23) = -1 EBADF (Bad file descriptor) [pid 3617] close(24) = -1 EBADF (Bad file descriptor) [pid 3617] close(25) = -1 EBADF (Bad file descriptor) [pid 3617] close(26) = -1 EBADF (Bad file descriptor) [pid 3617] close(27) = -1 EBADF (Bad file descriptor) [pid 3617] close(28) = -1 EBADF (Bad file descriptor) [pid 3617] close(29) = -1 EBADF (Bad file descriptor) [pid 3617] exit_group(0) = ? [pid 3617] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./11/binderfs") = 0 [pid 3605] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./11/cgroup") = 0 [pid 3605] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./11/cgroup.net") = 0 [pid 3605] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./11/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./11") = 0 [pid 3605] mkdir("./12", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3618 attached , child_tidptr=0x555556c0f5d0) = 14 [pid 3618] chdir("./12") = 0 [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3618] setpgid(0, 0) = 0 [pid 3618] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3618] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3618] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] write(3, "1000", 4) = 4 [pid 3618] close(3) = 0 [pid 3618] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3618] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3618] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3618] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3618] openat(3, "freezer.state", O_RDWR) = 4 [pid 3618] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3618] close(3) = 0 [pid 3618] close(4) = 0 [pid 3618] close(5) = -1 EBADF (Bad file descriptor) [pid 3618] close(6) = -1 EBADF (Bad file descriptor) [pid 3618] close(7) = -1 EBADF (Bad file descriptor) [pid 3618] close(8) = -1 EBADF (Bad file descriptor) [pid 3618] close(9) = -1 EBADF (Bad file descriptor) [pid 3618] close(10) = -1 EBADF (Bad file descriptor) [pid 3618] close(11) = -1 EBADF (Bad file descriptor) [pid 3618] close(12) = -1 EBADF (Bad file descriptor) [pid 3618] close(13) = -1 EBADF (Bad file descriptor) [pid 3618] close(14) = -1 EBADF (Bad file descriptor) [pid 3618] close(15) = -1 EBADF (Bad file descriptor) [pid 3618] close(16) = -1 EBADF (Bad file descriptor) [pid 3618] close(17) = -1 EBADF (Bad file descriptor) [pid 3618] close(18) = -1 EBADF (Bad file descriptor) [pid 3618] close(19) = -1 EBADF (Bad file descriptor) [pid 3618] close(20) = -1 EBADF (Bad file descriptor) [pid 3618] close(21) = -1 EBADF (Bad file descriptor) [pid 3618] close(22) = -1 EBADF (Bad file descriptor) [pid 3618] close(23) = -1 EBADF (Bad file descriptor) [pid 3618] close(24) = -1 EBADF (Bad file descriptor) [pid 3618] close(25) = -1 EBADF (Bad file descriptor) [pid 3618] close(26) = -1 EBADF (Bad file descriptor) [pid 3618] close(27) = -1 EBADF (Bad file descriptor) [pid 3618] close(28) = -1 EBADF (Bad file descriptor) [pid 3618] close(29) = -1 EBADF (Bad file descriptor) [pid 3618] exit_group(0) = ? [pid 3618] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./12/binderfs") = 0 [pid 3605] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./12/cgroup") = 0 [pid 3605] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./12/cgroup.net") = 0 [pid 3605] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./12/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./12") = 0 [pid 3605] mkdir("./13", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3619 attached [pid 3619] chdir("./13") = 0 [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3619] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3619] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3619] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3619] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3619] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3619] openat(3, "freezer.state", O_RDWR) = 4 [pid 3619] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3619] close(3) = 0 [pid 3619] close(4) = 0 [pid 3619] close(5) = -1 EBADF (Bad file descriptor) [pid 3619] close(6) = -1 EBADF (Bad file descriptor) [pid 3619] close(7) = -1 EBADF (Bad file descriptor) [pid 3619] close(8) = -1 EBADF (Bad file descriptor) [pid 3619] close(9) = -1 EBADF (Bad file descriptor) [pid 3619] close(10) = -1 EBADF (Bad file descriptor) [pid 3619] close(11) = -1 EBADF (Bad file descriptor) [pid 3619] close(12) = -1 EBADF (Bad file descriptor) [pid 3619] close(13) = -1 EBADF (Bad file descriptor) [pid 3619] close(14) = -1 EBADF (Bad file descriptor) [pid 3619] close(15) = -1 EBADF (Bad file descriptor) [pid 3619] close(16) = -1 EBADF (Bad file descriptor) [pid 3619] close(17) = -1 EBADF (Bad file descriptor) [pid 3619] close(18) = -1 EBADF (Bad file descriptor) [pid 3619] close(19) = -1 EBADF (Bad file descriptor) [pid 3619] close(20) = -1 EBADF (Bad file descriptor) [pid 3619] close(21) = -1 EBADF (Bad file descriptor) [pid 3619] close(22) = -1 EBADF (Bad file descriptor) [pid 3619] close(23) = -1 EBADF (Bad file descriptor) [pid 3619] close(24) = -1 EBADF (Bad file descriptor) [pid 3619] close(25) = -1 EBADF (Bad file descriptor) [pid 3619] close(26) = -1 EBADF (Bad file descriptor) [pid 3619] close(27) = -1 EBADF (Bad file descriptor) [pid 3619] close(28) = -1 EBADF (Bad file descriptor) [pid 3619] close(29) = -1 EBADF (Bad file descriptor) [pid 3619] exit_group(0) = ? [pid 3619] +++ exited with 0 +++ [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 15 [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./13/binderfs") = 0 [pid 3605] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./13/cgroup") = 0 [pid 3605] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./13/cgroup.net") = 0 [pid 3605] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./13/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./13") = 0 [pid 3605] mkdir("./14", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3620 attached [pid 3620] chdir("./14") = 0 [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] setpgid(0, 0) = 0 [pid 3620] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3620] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3620] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 16 [pid 3620] write(3, "1000", 4) = 4 [pid 3620] close(3) = 0 [pid 3620] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3620] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3620] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3620] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3620] openat(3, "freezer.state", O_RDWR) = 4 [pid 3620] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3620] close(3) = 0 [pid 3620] close(4) = 0 [pid 3620] close(5) = -1 EBADF (Bad file descriptor) [pid 3620] close(6) = -1 EBADF (Bad file descriptor) [pid 3620] close(7) = -1 EBADF (Bad file descriptor) [pid 3620] close(8) = -1 EBADF (Bad file descriptor) [pid 3620] close(9) = -1 EBADF (Bad file descriptor) [pid 3620] close(10) = -1 EBADF (Bad file descriptor) [pid 3620] close(11) = -1 EBADF (Bad file descriptor) [pid 3620] close(12) = -1 EBADF (Bad file descriptor) [pid 3620] close(13) = -1 EBADF (Bad file descriptor) [pid 3620] close(14) = -1 EBADF (Bad file descriptor) [pid 3620] close(15) = -1 EBADF (Bad file descriptor) [pid 3620] close(16) = -1 EBADF (Bad file descriptor) [pid 3620] close(17) = -1 EBADF (Bad file descriptor) [pid 3620] close(18) = -1 EBADF (Bad file descriptor) [pid 3620] close(19) = -1 EBADF (Bad file descriptor) [pid 3620] close(20) = -1 EBADF (Bad file descriptor) [pid 3620] close(21) = -1 EBADF (Bad file descriptor) [pid 3620] close(22) = -1 EBADF (Bad file descriptor) [pid 3620] close(23) = -1 EBADF (Bad file descriptor) [pid 3620] close(24) = -1 EBADF (Bad file descriptor) [pid 3620] close(25) = -1 EBADF (Bad file descriptor) [pid 3620] close(26) = -1 EBADF (Bad file descriptor) [pid 3620] close(27) = -1 EBADF (Bad file descriptor) [pid 3620] close(28) = -1 EBADF (Bad file descriptor) [pid 3620] close(29) = -1 EBADF (Bad file descriptor) [pid 3620] exit_group(0) = ? [pid 3620] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./14/binderfs") = 0 [pid 3605] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./14/cgroup") = 0 [pid 3605] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./14/cgroup.net") = 0 [pid 3605] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./14/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./14") = 0 [pid 3605] mkdir("./15", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3621 attached [pid 3621] chdir("./15") = 0 [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3621] setpgid(0, 0) = 0 [pid 3621] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3621] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3621] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 17 [pid 3621] <... openat resumed>) = 3 [pid 3621] write(3, "1000", 4) = 4 [pid 3621] close(3) = 0 [pid 3621] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3621] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3621] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3621] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3621] openat(3, "freezer.state", O_RDWR) = 4 [pid 3621] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3621] close(3) = 0 [pid 3621] close(4) = 0 [pid 3621] close(5) = -1 EBADF (Bad file descriptor) [pid 3621] close(6) = -1 EBADF (Bad file descriptor) [pid 3621] close(7) = -1 EBADF (Bad file descriptor) [pid 3621] close(8) = -1 EBADF (Bad file descriptor) [pid 3621] close(9) = -1 EBADF (Bad file descriptor) [pid 3621] close(10) = -1 EBADF (Bad file descriptor) [pid 3621] close(11) = -1 EBADF (Bad file descriptor) [pid 3621] close(12) = -1 EBADF (Bad file descriptor) [pid 3621] close(13) = -1 EBADF (Bad file descriptor) [pid 3621] close(14) = -1 EBADF (Bad file descriptor) [pid 3621] close(15) = -1 EBADF (Bad file descriptor) [pid 3621] close(16) = -1 EBADF (Bad file descriptor) [pid 3621] close(17) = -1 EBADF (Bad file descriptor) [pid 3621] close(18) = -1 EBADF (Bad file descriptor) [pid 3621] close(19) = -1 EBADF (Bad file descriptor) [pid 3621] close(20) = -1 EBADF (Bad file descriptor) [pid 3621] close(21) = -1 EBADF (Bad file descriptor) [pid 3621] close(22) = -1 EBADF (Bad file descriptor) [pid 3621] close(23) = -1 EBADF (Bad file descriptor) [pid 3621] close(24) = -1 EBADF (Bad file descriptor) [pid 3621] close(25) = -1 EBADF (Bad file descriptor) [pid 3621] close(26) = -1 EBADF (Bad file descriptor) [pid 3621] close(27) = -1 EBADF (Bad file descriptor) [pid 3621] close(28) = -1 EBADF (Bad file descriptor) [pid 3621] close(29) = -1 EBADF (Bad file descriptor) [pid 3621] exit_group(0) = ? [pid 3621] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./15/binderfs") = 0 [pid 3605] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./15/cgroup") = 0 [pid 3605] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./15/cgroup.net") = 0 [pid 3605] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./15/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./15") = 0 [pid 3605] mkdir("./16", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3622 attached [pid 3622] chdir("./16") = 0 [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] setpgid(0, 0) = 0 [pid 3622] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3622] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3622] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 18 [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1000", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3622] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3622] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3622] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3622] openat(3, "freezer.state", O_RDWR) = 4 [pid 3622] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3622] close(3) = 0 [pid 3622] close(4) = 0 [pid 3622] close(5) = -1 EBADF (Bad file descriptor) [pid 3622] close(6) = -1 EBADF (Bad file descriptor) [pid 3622] close(7) = -1 EBADF (Bad file descriptor) [pid 3622] close(8) = -1 EBADF (Bad file descriptor) [pid 3622] close(9) = -1 EBADF (Bad file descriptor) [pid 3622] close(10) = -1 EBADF (Bad file descriptor) [pid 3622] close(11) = -1 EBADF (Bad file descriptor) [pid 3622] close(12) = -1 EBADF (Bad file descriptor) [pid 3622] close(13) = -1 EBADF (Bad file descriptor) [pid 3622] close(14) = -1 EBADF (Bad file descriptor) [pid 3622] close(15) = -1 EBADF (Bad file descriptor) [pid 3622] close(16) = -1 EBADF (Bad file descriptor) [pid 3622] close(17) = -1 EBADF (Bad file descriptor) [pid 3622] close(18) = -1 EBADF (Bad file descriptor) [pid 3622] close(19) = -1 EBADF (Bad file descriptor) [pid 3622] close(20) = -1 EBADF (Bad file descriptor) [pid 3622] close(21) = -1 EBADF (Bad file descriptor) [pid 3622] close(22) = -1 EBADF (Bad file descriptor) [pid 3622] close(23) = -1 EBADF (Bad file descriptor) [pid 3622] close(24) = -1 EBADF (Bad file descriptor) [pid 3622] close(25) = -1 EBADF (Bad file descriptor) [pid 3622] close(26) = -1 EBADF (Bad file descriptor) [pid 3622] close(27) = -1 EBADF (Bad file descriptor) [pid 3622] close(28) = -1 EBADF (Bad file descriptor) [pid 3622] close(29) = -1 EBADF (Bad file descriptor) [pid 3622] exit_group(0) = ? [pid 3622] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./16/binderfs") = 0 [pid 3605] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./16/cgroup") = 0 [pid 3605] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./16/cgroup.net") = 0 [pid 3605] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./16/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./16") = 0 [pid 3605] mkdir("./17", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3623 attached [pid 3623] chdir("./17") = 0 [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3623] setpgid(0, 0) = 0 [pid 3623] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3623] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3623] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 19 [pid 3623] <... openat resumed>) = 3 [pid 3623] write(3, "1000", 4) = 4 [pid 3623] close(3) = 0 [pid 3623] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3623] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3623] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3623] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3623] openat(3, "freezer.state", O_RDWR) = 4 [pid 3623] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3623] close(3) = 0 [pid 3623] close(4) = 0 [pid 3623] close(5) = -1 EBADF (Bad file descriptor) [pid 3623] close(6) = -1 EBADF (Bad file descriptor) [pid 3623] close(7) = -1 EBADF (Bad file descriptor) [pid 3623] close(8) = -1 EBADF (Bad file descriptor) [pid 3623] close(9) = -1 EBADF (Bad file descriptor) [pid 3623] close(10) = -1 EBADF (Bad file descriptor) [pid 3623] close(11) = -1 EBADF (Bad file descriptor) [pid 3623] close(12) = -1 EBADF (Bad file descriptor) [pid 3623] close(13) = -1 EBADF (Bad file descriptor) [pid 3623] close(14) = -1 EBADF (Bad file descriptor) [pid 3623] close(15) = -1 EBADF (Bad file descriptor) [pid 3623] close(16) = -1 EBADF (Bad file descriptor) [pid 3623] close(17) = -1 EBADF (Bad file descriptor) [pid 3623] close(18) = -1 EBADF (Bad file descriptor) [pid 3623] close(19) = -1 EBADF (Bad file descriptor) [pid 3623] close(20) = -1 EBADF (Bad file descriptor) [pid 3623] close(21) = -1 EBADF (Bad file descriptor) [pid 3623] close(22) = -1 EBADF (Bad file descriptor) [pid 3623] close(23) = -1 EBADF (Bad file descriptor) [pid 3623] close(24) = -1 EBADF (Bad file descriptor) [pid 3623] close(25) = -1 EBADF (Bad file descriptor) [pid 3623] close(26) = -1 EBADF (Bad file descriptor) [pid 3623] close(27) = -1 EBADF (Bad file descriptor) [pid 3623] close(28) = -1 EBADF (Bad file descriptor) [pid 3623] close(29) = -1 EBADF (Bad file descriptor) [pid 3623] exit_group(0) = ? [pid 3623] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./17/binderfs") = 0 [pid 3605] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./17/cgroup") = 0 [pid 3605] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./17/cgroup.net") = 0 [pid 3605] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./17/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./17") = 0 [pid 3605] mkdir("./18", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3624 attached [pid 3624] chdir("./18") = 0 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3624] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3624] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4) = 4 [pid 3624] close(3) = 0 [pid 3624] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3624] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3624] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3624] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3624] openat(3, "freezer.state", O_RDWR) = 4 [pid 3624] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3624] close(3) = 0 [pid 3624] close(4) = 0 [pid 3624] close(5) = -1 EBADF (Bad file descriptor) [pid 3624] close(6) = -1 EBADF (Bad file descriptor) [pid 3624] close(7) = -1 EBADF (Bad file descriptor) [pid 3624] close(8) = -1 EBADF (Bad file descriptor) [pid 3624] close(9) = -1 EBADF (Bad file descriptor) [pid 3624] close(10) = -1 EBADF (Bad file descriptor) [pid 3624] close(11) = -1 EBADF (Bad file descriptor) [pid 3624] close(12) = -1 EBADF (Bad file descriptor) [pid 3624] close(13) = -1 EBADF (Bad file descriptor) [pid 3624] close(14) = -1 EBADF (Bad file descriptor) [pid 3624] close(15) = -1 EBADF (Bad file descriptor) [pid 3624] close(16) = -1 EBADF (Bad file descriptor) [pid 3624] close(17) = -1 EBADF (Bad file descriptor) [pid 3624] close(18) = -1 EBADF (Bad file descriptor) [pid 3624] close(19) = -1 EBADF (Bad file descriptor) [pid 3624] close(20) = -1 EBADF (Bad file descriptor) [pid 3624] close(21) = -1 EBADF (Bad file descriptor) [pid 3624] close(22) = -1 EBADF (Bad file descriptor) [pid 3624] close(23) = -1 EBADF (Bad file descriptor) [pid 3624] close(24) = -1 EBADF (Bad file descriptor) [pid 3624] close(25) = -1 EBADF (Bad file descriptor) [pid 3624] close(26) = -1 EBADF (Bad file descriptor) [pid 3624] close(27) = -1 EBADF (Bad file descriptor) [pid 3624] close(28) = -1 EBADF (Bad file descriptor) [pid 3624] close(29) = -1 EBADF (Bad file descriptor) [pid 3624] exit_group(0) = ? [pid 3624] +++ exited with 0 +++ [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 20 [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./18/binderfs") = 0 [pid 3605] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./18/cgroup") = 0 [pid 3605] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./18/cgroup.net") = 0 [pid 3605] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./18/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./18") = 0 [pid 3605] mkdir("./19", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3625 attached [pid 3625] chdir("./19") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 21 [pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3625] setpgid(0, 0) = 0 [pid 3625] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3625] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3625] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3625] write(3, "1000", 4) = 4 [pid 3625] close(3) = 0 [pid 3625] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 3625] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3625] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3625] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3625] openat(3, "freezer.state", O_RDWR) = 4 [pid 3625] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3625] close(3) = 0 [pid 3625] close(4) = 0 [pid 3625] close(5) = -1 EBADF (Bad file descriptor) [pid 3625] close(6) = -1 EBADF (Bad file descriptor) [pid 3625] close(7) = -1 EBADF (Bad file descriptor) [pid 3625] close(8) = -1 EBADF (Bad file descriptor) [pid 3625] close(9) = -1 EBADF (Bad file descriptor) [pid 3625] close(10) = -1 EBADF (Bad file descriptor) [pid 3625] close(11) = -1 EBADF (Bad file descriptor) [pid 3625] close(12) = -1 EBADF (Bad file descriptor) [pid 3625] close(13) = -1 EBADF (Bad file descriptor) [pid 3625] close(14) = -1 EBADF (Bad file descriptor) [pid 3625] close(15) = -1 EBADF (Bad file descriptor) [pid 3625] close(16) = -1 EBADF (Bad file descriptor) [pid 3625] close(17) = -1 EBADF (Bad file descriptor) [pid 3625] close(18) = -1 EBADF (Bad file descriptor) [pid 3625] close(19) = -1 EBADF (Bad file descriptor) [pid 3625] close(20) = -1 EBADF (Bad file descriptor) [pid 3625] close(21) = -1 EBADF (Bad file descriptor) [pid 3625] close(22) = -1 EBADF (Bad file descriptor) [pid 3625] close(23) = -1 EBADF (Bad file descriptor) [pid 3625] close(24) = -1 EBADF (Bad file descriptor) [pid 3625] close(25) = -1 EBADF (Bad file descriptor) [pid 3625] close(26) = -1 EBADF (Bad file descriptor) [pid 3625] close(27) = -1 EBADF (Bad file descriptor) [pid 3625] close(28) = -1 EBADF (Bad file descriptor) [pid 3625] close(29) = -1 EBADF (Bad file descriptor) [pid 3625] exit_group(0) = ? [pid 3625] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./19/binderfs") = 0 [pid 3605] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./19/cgroup") = 0 [pid 3605] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./19/cgroup.net") = 0 [pid 3605] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./19/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./19") = 0 [pid 3605] mkdir("./20", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3626 attached [pid 3626] chdir("./20") = 0 [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3626] setpgid(0, 0) = 0 [pid 3626] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3626] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3626] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 22 [pid 3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3626] write(3, "1000", 4) = 4 [pid 3626] close(3) = 0 [pid 3626] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3626] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3626] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3626] openat(3, "freezer.state", O_RDWR) = 4 [pid 3626] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3626] close(3) = 0 [pid 3626] close(4) = 0 [pid 3626] close(5) = -1 EBADF (Bad file descriptor) [pid 3626] close(6) = -1 EBADF (Bad file descriptor) [pid 3626] close(7) = -1 EBADF (Bad file descriptor) [pid 3626] close(8) = -1 EBADF (Bad file descriptor) [pid 3626] close(9) = -1 EBADF (Bad file descriptor) [pid 3626] close(10) = -1 EBADF (Bad file descriptor) [pid 3626] close(11) = -1 EBADF (Bad file descriptor) [pid 3626] close(12) = -1 EBADF (Bad file descriptor) [pid 3626] close(13) = -1 EBADF (Bad file descriptor) [pid 3626] close(14) = -1 EBADF (Bad file descriptor) [pid 3626] close(15) = -1 EBADF (Bad file descriptor) [pid 3626] close(16) = -1 EBADF (Bad file descriptor) [pid 3626] close(17) = -1 EBADF (Bad file descriptor) [pid 3626] close(18) = -1 EBADF (Bad file descriptor) [pid 3626] close(19) = -1 EBADF (Bad file descriptor) [pid 3626] close(20) = -1 EBADF (Bad file descriptor) [pid 3626] close(21) = -1 EBADF (Bad file descriptor) [pid 3626] close(22) = -1 EBADF (Bad file descriptor) [pid 3626] close(23) = -1 EBADF (Bad file descriptor) [pid 3626] close(24) = -1 EBADF (Bad file descriptor) [pid 3626] close(25) = -1 EBADF (Bad file descriptor) [pid 3626] close(26) = -1 EBADF (Bad file descriptor) [pid 3626] close(27) = -1 EBADF (Bad file descriptor) [pid 3626] close(28) = -1 EBADF (Bad file descriptor) [pid 3626] close(29) = -1 EBADF (Bad file descriptor) [pid 3626] exit_group(0) = ? [pid 3626] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./20/binderfs") = 0 [pid 3605] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./20/cgroup") = 0 [pid 3605] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./20/cgroup.net") = 0 [pid 3605] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./20/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./20") = 0 [pid 3605] mkdir("./21", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3627 attached [pid 3627] chdir("./21") = 0 [pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3627] setpgid(0, 0) = 0 [pid 3627] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3627] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3627] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3627] write(3, "1000", 4) = 4 [pid 3627] close(3) = 0 [pid 3627] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3627] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 23 [pid 3627] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3627] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3627] openat(3, "freezer.state", O_RDWR) = 4 [pid 3627] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3627] close(3) = 0 [pid 3627] close(4) = 0 [pid 3627] close(5) = -1 EBADF (Bad file descriptor) [pid 3627] close(6) = -1 EBADF (Bad file descriptor) [pid 3627] close(7) = -1 EBADF (Bad file descriptor) [pid 3627] close(8) = -1 EBADF (Bad file descriptor) [pid 3627] close(9) = -1 EBADF (Bad file descriptor) [pid 3627] close(10) = -1 EBADF (Bad file descriptor) [pid 3627] close(11) = -1 EBADF (Bad file descriptor) [pid 3627] close(12) = -1 EBADF (Bad file descriptor) [pid 3627] close(13) = -1 EBADF (Bad file descriptor) [pid 3627] close(14) = -1 EBADF (Bad file descriptor) [pid 3627] close(15) = -1 EBADF (Bad file descriptor) [pid 3627] close(16) = -1 EBADF (Bad file descriptor) [pid 3627] close(17) = -1 EBADF (Bad file descriptor) [pid 3627] close(18) = -1 EBADF (Bad file descriptor) [pid 3627] close(19) = -1 EBADF (Bad file descriptor) [pid 3627] close(20) = -1 EBADF (Bad file descriptor) [pid 3627] close(21) = -1 EBADF (Bad file descriptor) [pid 3627] close(22) = -1 EBADF (Bad file descriptor) [pid 3627] close(23) = -1 EBADF (Bad file descriptor) [pid 3627] close(24) = -1 EBADF (Bad file descriptor) [pid 3627] close(25) = -1 EBADF (Bad file descriptor) [pid 3627] close(26) = -1 EBADF (Bad file descriptor) [pid 3627] close(27) = -1 EBADF (Bad file descriptor) [pid 3627] close(28) = -1 EBADF (Bad file descriptor) [pid 3627] close(29) = -1 EBADF (Bad file descriptor) [pid 3627] exit_group(0) = ? [pid 3627] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./21/binderfs") = 0 [pid 3605] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./21/cgroup") = 0 [pid 3605] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./21/cgroup.net") = 0 [pid 3605] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./21/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./21") = 0 [pid 3605] mkdir("./22", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3628 attached [pid 3628] chdir("./22") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 24 [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3628] setpgid(0, 0) = 0 [pid 3628] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3628] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3628] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3628] write(3, "1000", 4) = 4 [pid 3628] close(3) = 0 [pid 3628] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3628] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3628] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3628] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3628] openat(3, "freezer.state", O_RDWR) = 4 [pid 3628] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3628] close(3) = 0 [pid 3628] close(4) = 0 [pid 3628] close(5) = -1 EBADF (Bad file descriptor) [pid 3628] close(6) = -1 EBADF (Bad file descriptor) [pid 3628] close(7) = -1 EBADF (Bad file descriptor) [pid 3628] close(8) = -1 EBADF (Bad file descriptor) [pid 3628] close(9) = -1 EBADF (Bad file descriptor) [pid 3628] close(10) = -1 EBADF (Bad file descriptor) [pid 3628] close(11) = -1 EBADF (Bad file descriptor) [pid 3628] close(12) = -1 EBADF (Bad file descriptor) [pid 3628] close(13) = -1 EBADF (Bad file descriptor) [pid 3628] close(14) = -1 EBADF (Bad file descriptor) [pid 3628] close(15) = -1 EBADF (Bad file descriptor) [pid 3628] close(16) = -1 EBADF (Bad file descriptor) [pid 3628] close(17) = -1 EBADF (Bad file descriptor) [pid 3628] close(18) = -1 EBADF (Bad file descriptor) [pid 3628] close(19) = -1 EBADF (Bad file descriptor) [pid 3628] close(20) = -1 EBADF (Bad file descriptor) [pid 3628] close(21) = -1 EBADF (Bad file descriptor) [pid 3628] close(22) = -1 EBADF (Bad file descriptor) [pid 3628] close(23) = -1 EBADF (Bad file descriptor) [pid 3628] close(24) = -1 EBADF (Bad file descriptor) [pid 3628] close(25) = -1 EBADF (Bad file descriptor) [pid 3628] close(26) = -1 EBADF (Bad file descriptor) [pid 3628] close(27) = -1 EBADF (Bad file descriptor) [pid 3628] close(28) = -1 EBADF (Bad file descriptor) [pid 3628] close(29) = -1 EBADF (Bad file descriptor) [pid 3628] exit_group(0) = ? [pid 3628] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./22/binderfs") = 0 [pid 3605] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./22/cgroup") = 0 [pid 3605] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./22/cgroup.net") = 0 [pid 3605] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./22/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./22") = 0 [pid 3605] mkdir("./23", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3629 attached [pid 3629] chdir("./23") = 0 [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3629] setpgid(0, 0) = 0 [pid 3629] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 25 [pid 3629] <... symlink resumed>) = 0 [pid 3629] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3629] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "1000", 4) = 4 [pid 3629] close(3) = 0 [pid 3629] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3629] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3629] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3629] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3629] openat(3, "freezer.state", O_RDWR) = 4 [pid 3629] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3629] close(3) = 0 [pid 3629] close(4) = 0 [pid 3629] close(5) = -1 EBADF (Bad file descriptor) [pid 3629] close(6) = -1 EBADF (Bad file descriptor) [pid 3629] close(7) = -1 EBADF (Bad file descriptor) [pid 3629] close(8) = -1 EBADF (Bad file descriptor) [pid 3629] close(9) = -1 EBADF (Bad file descriptor) [pid 3629] close(10) = -1 EBADF (Bad file descriptor) [pid 3629] close(11) = -1 EBADF (Bad file descriptor) [pid 3629] close(12) = -1 EBADF (Bad file descriptor) [pid 3629] close(13) = -1 EBADF (Bad file descriptor) [pid 3629] close(14) = -1 EBADF (Bad file descriptor) [pid 3629] close(15) = -1 EBADF (Bad file descriptor) [pid 3629] close(16) = -1 EBADF (Bad file descriptor) [pid 3629] close(17) = -1 EBADF (Bad file descriptor) [pid 3629] close(18) = -1 EBADF (Bad file descriptor) [pid 3629] close(19) = -1 EBADF (Bad file descriptor) [pid 3629] close(20) = -1 EBADF (Bad file descriptor) [pid 3629] close(21) = -1 EBADF (Bad file descriptor) [pid 3629] close(22) = -1 EBADF (Bad file descriptor) [pid 3629] close(23) = -1 EBADF (Bad file descriptor) [pid 3629] close(24) = -1 EBADF (Bad file descriptor) [pid 3629] close(25) = -1 EBADF (Bad file descriptor) [pid 3629] close(26) = -1 EBADF (Bad file descriptor) [pid 3629] close(27) = -1 EBADF (Bad file descriptor) [pid 3629] close(28) = -1 EBADF (Bad file descriptor) [pid 3629] close(29) = -1 EBADF (Bad file descriptor) [pid 3629] exit_group(0) = ? [pid 3629] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./23/binderfs") = 0 [pid 3605] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./23/cgroup") = 0 [pid 3605] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./23/cgroup.net") = 0 [pid 3605] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./23/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./23") = 0 [pid 3605] mkdir("./24", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3630 attached , child_tidptr=0x555556c0f5d0) = 26 [pid 3630] chdir("./24") = 0 [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setpgid(0, 0) = 0 [pid 3630] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3630] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3630] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1000", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3630] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3630] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3630] openat(3, "freezer.state", O_RDWR) = 4 [pid 3630] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3630] close(3) = 0 [pid 3630] close(4) = 0 [pid 3630] close(5) = -1 EBADF (Bad file descriptor) [pid 3630] close(6) = -1 EBADF (Bad file descriptor) [pid 3630] close(7) = -1 EBADF (Bad file descriptor) [pid 3630] close(8) = -1 EBADF (Bad file descriptor) [pid 3630] close(9) = -1 EBADF (Bad file descriptor) [pid 3630] close(10) = -1 EBADF (Bad file descriptor) [pid 3630] close(11) = -1 EBADF (Bad file descriptor) [pid 3630] close(12) = -1 EBADF (Bad file descriptor) [pid 3630] close(13) = -1 EBADF (Bad file descriptor) [pid 3630] close(14) = -1 EBADF (Bad file descriptor) [pid 3630] close(15) = -1 EBADF (Bad file descriptor) [pid 3630] close(16) = -1 EBADF (Bad file descriptor) [pid 3630] close(17) = -1 EBADF (Bad file descriptor) [pid 3630] close(18) = -1 EBADF (Bad file descriptor) [pid 3630] close(19) = -1 EBADF (Bad file descriptor) [pid 3630] close(20) = -1 EBADF (Bad file descriptor) [pid 3630] close(21) = -1 EBADF (Bad file descriptor) [pid 3630] close(22) = -1 EBADF (Bad file descriptor) [pid 3630] close(23) = -1 EBADF (Bad file descriptor) [pid 3630] close(24) = -1 EBADF (Bad file descriptor) [pid 3630] close(25) = -1 EBADF (Bad file descriptor) [pid 3630] close(26) = -1 EBADF (Bad file descriptor) [pid 3630] close(27) = -1 EBADF (Bad file descriptor) [pid 3630] close(28) = -1 EBADF (Bad file descriptor) [pid 3630] close(29) = -1 EBADF (Bad file descriptor) [pid 3630] exit_group(0) = ? [pid 3630] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./24/binderfs") = 0 [pid 3605] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./24/cgroup") = 0 [pid 3605] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./24/cgroup.net") = 0 [pid 3605] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./24/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./24") = 0 [pid 3605] mkdir("./25", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 27 ./strace-static-x86_64: Process 3631 attached [pid 3631] chdir("./25") = 0 [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3631] setpgid(0, 0) = 0 [pid 3631] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3631] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3631] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3631] write(3, "1000", 4) = 4 [pid 3631] close(3) = 0 [pid 3631] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3631] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3631] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3631] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3631] openat(3, "freezer.state", O_RDWR) = 4 [pid 3631] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3631] close(3) = 0 [pid 3631] close(4) = 0 [pid 3631] close(5) = -1 EBADF (Bad file descriptor) [pid 3631] close(6) = -1 EBADF (Bad file descriptor) [pid 3631] close(7) = -1 EBADF (Bad file descriptor) [pid 3631] close(8) = -1 EBADF (Bad file descriptor) [pid 3631] close(9) = -1 EBADF (Bad file descriptor) [pid 3631] close(10) = -1 EBADF (Bad file descriptor) [pid 3631] close(11) = -1 EBADF (Bad file descriptor) [pid 3631] close(12) = -1 EBADF (Bad file descriptor) [pid 3631] close(13) = -1 EBADF (Bad file descriptor) [pid 3631] close(14) = -1 EBADF (Bad file descriptor) [pid 3631] close(15) = -1 EBADF (Bad file descriptor) [pid 3631] close(16) = -1 EBADF (Bad file descriptor) [pid 3631] close(17) = -1 EBADF (Bad file descriptor) [pid 3631] close(18) = -1 EBADF (Bad file descriptor) [pid 3631] close(19) = -1 EBADF (Bad file descriptor) [pid 3631] close(20) = -1 EBADF (Bad file descriptor) [pid 3631] close(21) = -1 EBADF (Bad file descriptor) [pid 3631] close(22) = -1 EBADF (Bad file descriptor) [pid 3631] close(23) = -1 EBADF (Bad file descriptor) [pid 3631] close(24) = -1 EBADF (Bad file descriptor) [pid 3631] close(25) = -1 EBADF (Bad file descriptor) [pid 3631] close(26) = -1 EBADF (Bad file descriptor) [pid 3631] close(27) = -1 EBADF (Bad file descriptor) [pid 3631] close(28) = -1 EBADF (Bad file descriptor) [pid 3631] close(29) = -1 EBADF (Bad file descriptor) [pid 3631] exit_group(0) = ? [pid 3631] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./25/binderfs") = 0 [pid 3605] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./25/cgroup") = 0 [pid 3605] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./25/cgroup.net") = 0 [pid 3605] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./25/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./25") = 0 [pid 3605] mkdir("./26", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3632 attached , child_tidptr=0x555556c0f5d0) = 28 [pid 3632] chdir("./26") = 0 [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3632] setpgid(0, 0) = 0 [pid 3632] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3632] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3632] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1000", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3632] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3632] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3632] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3632] openat(3, "freezer.state", O_RDWR) = 4 [pid 3632] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3632] close(3) = 0 [pid 3632] close(4) = 0 [pid 3632] close(5) = -1 EBADF (Bad file descriptor) [pid 3632] close(6) = -1 EBADF (Bad file descriptor) [pid 3632] close(7) = -1 EBADF (Bad file descriptor) [pid 3632] close(8) = -1 EBADF (Bad file descriptor) [pid 3632] close(9) = -1 EBADF (Bad file descriptor) [pid 3632] close(10) = -1 EBADF (Bad file descriptor) [pid 3632] close(11) = -1 EBADF (Bad file descriptor) [pid 3632] close(12) = -1 EBADF (Bad file descriptor) [pid 3632] close(13) = -1 EBADF (Bad file descriptor) [pid 3632] close(14) = -1 EBADF (Bad file descriptor) [pid 3632] close(15) = -1 EBADF (Bad file descriptor) [pid 3632] close(16) = -1 EBADF (Bad file descriptor) [pid 3632] close(17) = -1 EBADF (Bad file descriptor) [pid 3632] close(18) = -1 EBADF (Bad file descriptor) [pid 3632] close(19) = -1 EBADF (Bad file descriptor) [pid 3632] close(20) = -1 EBADF (Bad file descriptor) [pid 3632] close(21) = -1 EBADF (Bad file descriptor) [pid 3632] close(22) = -1 EBADF (Bad file descriptor) [pid 3632] close(23) = -1 EBADF (Bad file descriptor) [pid 3632] close(24) = -1 EBADF (Bad file descriptor) [pid 3632] close(25) = -1 EBADF (Bad file descriptor) [pid 3632] close(26) = -1 EBADF (Bad file descriptor) [pid 3632] close(27) = -1 EBADF (Bad file descriptor) [pid 3632] close(28) = -1 EBADF (Bad file descriptor) [pid 3632] close(29) = -1 EBADF (Bad file descriptor) [pid 3632] exit_group(0) = ? [pid 3632] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./26/binderfs") = 0 [pid 3605] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./26/cgroup") = 0 [pid 3605] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./26/cgroup.net") = 0 [pid 3605] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./26/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./26") = 0 [pid 3605] mkdir("./27", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3633 attached , child_tidptr=0x555556c0f5d0) = 29 [pid 3633] chdir("./27") = 0 [pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3633] setpgid(0, 0) = 0 [pid 3633] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3633] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3633] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3633] write(3, "1000", 4) = 4 [pid 3633] close(3) = 0 [pid 3633] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3633] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3633] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3633] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3633] openat(3, "freezer.state", O_RDWR) = 4 [pid 3633] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3633] close(3) = 0 [pid 3633] close(4) = 0 [pid 3633] close(5) = -1 EBADF (Bad file descriptor) [pid 3633] close(6) = -1 EBADF (Bad file descriptor) [pid 3633] close(7) = -1 EBADF (Bad file descriptor) [pid 3633] close(8) = -1 EBADF (Bad file descriptor) [pid 3633] close(9) = -1 EBADF (Bad file descriptor) [pid 3633] close(10) = -1 EBADF (Bad file descriptor) [pid 3633] close(11) = -1 EBADF (Bad file descriptor) [pid 3633] close(12) = -1 EBADF (Bad file descriptor) [pid 3633] close(13) = -1 EBADF (Bad file descriptor) [pid 3633] close(14) = -1 EBADF (Bad file descriptor) [pid 3633] close(15) = -1 EBADF (Bad file descriptor) [pid 3633] close(16) = -1 EBADF (Bad file descriptor) [pid 3633] close(17) = -1 EBADF (Bad file descriptor) [pid 3633] close(18) = -1 EBADF (Bad file descriptor) [pid 3633] close(19) = -1 EBADF (Bad file descriptor) [pid 3633] close(20) = -1 EBADF (Bad file descriptor) [pid 3633] close(21) = -1 EBADF (Bad file descriptor) [pid 3633] close(22) = -1 EBADF (Bad file descriptor) [pid 3633] close(23) = -1 EBADF (Bad file descriptor) [pid 3633] close(24) = -1 EBADF (Bad file descriptor) [pid 3633] close(25) = -1 EBADF (Bad file descriptor) [pid 3633] close(26) = -1 EBADF (Bad file descriptor) [pid 3633] close(27) = -1 EBADF (Bad file descriptor) [pid 3633] close(28) = -1 EBADF (Bad file descriptor) [pid 3633] close(29) = -1 EBADF (Bad file descriptor) [pid 3633] exit_group(0) = ? [pid 3633] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./27/binderfs") = 0 [pid 3605] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./27/cgroup") = 0 [pid 3605] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./27/cgroup.net") = 0 [pid 3605] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./27/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./27") = 0 [pid 3605] mkdir("./28", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3634 attached , child_tidptr=0x555556c0f5d0) = 30 [pid 3634] chdir("./28") = 0 [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3634] setpgid(0, 0) = 0 [pid 3634] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3634] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3634] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3634] write(3, "1000", 4) = 4 [pid 3634] close(3) = 0 [pid 3634] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3634] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3634] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3634] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3634] openat(3, "freezer.state", O_RDWR) = 4 [pid 3634] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3634] close(3) = 0 [pid 3634] close(4) = 0 [pid 3634] close(5) = -1 EBADF (Bad file descriptor) [pid 3634] close(6) = -1 EBADF (Bad file descriptor) [pid 3634] close(7) = -1 EBADF (Bad file descriptor) [pid 3634] close(8) = -1 EBADF (Bad file descriptor) [pid 3634] close(9) = -1 EBADF (Bad file descriptor) [pid 3634] close(10) = -1 EBADF (Bad file descriptor) [pid 3634] close(11) = -1 EBADF (Bad file descriptor) [pid 3634] close(12) = -1 EBADF (Bad file descriptor) [pid 3634] close(13) = -1 EBADF (Bad file descriptor) [pid 3634] close(14) = -1 EBADF (Bad file descriptor) [pid 3634] close(15) = -1 EBADF (Bad file descriptor) [pid 3634] close(16) = -1 EBADF (Bad file descriptor) [pid 3634] close(17) = -1 EBADF (Bad file descriptor) [pid 3634] close(18) = -1 EBADF (Bad file descriptor) [pid 3634] close(19) = -1 EBADF (Bad file descriptor) [pid 3634] close(20) = -1 EBADF (Bad file descriptor) [pid 3634] close(21) = -1 EBADF (Bad file descriptor) [pid 3634] close(22) = -1 EBADF (Bad file descriptor) [pid 3634] close(23) = -1 EBADF (Bad file descriptor) [pid 3634] close(24) = -1 EBADF (Bad file descriptor) [pid 3634] close(25) = -1 EBADF (Bad file descriptor) [pid 3634] close(26) = -1 EBADF (Bad file descriptor) [pid 3634] close(27) = -1 EBADF (Bad file descriptor) [pid 3634] close(28) = -1 EBADF (Bad file descriptor) [pid 3634] close(29) = -1 EBADF (Bad file descriptor) [pid 3634] exit_group(0) = ? [pid 3634] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./28/binderfs") = 0 [pid 3605] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./28/cgroup") = 0 [pid 3605] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./28/cgroup.net") = 0 [pid 3605] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./28/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./28") = 0 [pid 3605] mkdir("./29", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 31 ./strace-static-x86_64: Process 3635 attached [pid 3635] chdir("./29") = 0 [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3635] setpgid(0, 0) = 0 [pid 3635] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3635] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3635] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3635] write(3, "1000", 4) = 4 [pid 3635] close(3) = 0 [pid 3635] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3635] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3635] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3635] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3635] openat(3, "freezer.state", O_RDWR) = 4 [pid 3635] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3635] close(3) = 0 [pid 3635] close(4) = 0 [pid 3635] close(5) = -1 EBADF (Bad file descriptor) [pid 3635] close(6) = -1 EBADF (Bad file descriptor) [pid 3635] close(7) = -1 EBADF (Bad file descriptor) [pid 3635] close(8) = -1 EBADF (Bad file descriptor) [pid 3635] close(9) = -1 EBADF (Bad file descriptor) [pid 3635] close(10) = -1 EBADF (Bad file descriptor) [pid 3635] close(11) = -1 EBADF (Bad file descriptor) [pid 3635] close(12) = -1 EBADF (Bad file descriptor) [pid 3635] close(13) = -1 EBADF (Bad file descriptor) [pid 3635] close(14) = -1 EBADF (Bad file descriptor) [pid 3635] close(15) = -1 EBADF (Bad file descriptor) [pid 3635] close(16) = -1 EBADF (Bad file descriptor) [pid 3635] close(17) = -1 EBADF (Bad file descriptor) [pid 3635] close(18) = -1 EBADF (Bad file descriptor) [pid 3635] close(19) = -1 EBADF (Bad file descriptor) [pid 3635] close(20) = -1 EBADF (Bad file descriptor) [pid 3635] close(21) = -1 EBADF (Bad file descriptor) [pid 3635] close(22) = -1 EBADF (Bad file descriptor) [pid 3635] close(23) = -1 EBADF (Bad file descriptor) [pid 3635] close(24) = -1 EBADF (Bad file descriptor) [pid 3635] close(25) = -1 EBADF (Bad file descriptor) [pid 3635] close(26) = -1 EBADF (Bad file descriptor) [pid 3635] close(27) = -1 EBADF (Bad file descriptor) [pid 3635] close(28) = -1 EBADF (Bad file descriptor) [pid 3635] close(29) = -1 EBADF (Bad file descriptor) [pid 3635] exit_group(0) = ? [pid 3635] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./29/binderfs") = 0 [pid 3605] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./29/cgroup") = 0 [pid 3605] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./29/cgroup.net") = 0 [pid 3605] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./29/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./29") = 0 [pid 3605] mkdir("./30", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3636 attached [pid 3636] chdir("./30") = 0 [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setpgid(0, 0) = 0 [pid 3636] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 32 [pid 3636] <... symlink resumed>) = 0 [pid 3636] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3636] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1000", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3636] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3636] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3636] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3636] openat(3, "freezer.state", O_RDWR) = 4 [pid 3636] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3636] close(3) = 0 [pid 3636] close(4) = 0 [pid 3636] close(5) = -1 EBADF (Bad file descriptor) [pid 3636] close(6) = -1 EBADF (Bad file descriptor) [pid 3636] close(7) = -1 EBADF (Bad file descriptor) [pid 3636] close(8) = -1 EBADF (Bad file descriptor) [pid 3636] close(9) = -1 EBADF (Bad file descriptor) [pid 3636] close(10) = -1 EBADF (Bad file descriptor) [pid 3636] close(11) = -1 EBADF (Bad file descriptor) [pid 3636] close(12) = -1 EBADF (Bad file descriptor) [pid 3636] close(13) = -1 EBADF (Bad file descriptor) [pid 3636] close(14) = -1 EBADF (Bad file descriptor) [pid 3636] close(15) = -1 EBADF (Bad file descriptor) [pid 3636] close(16) = -1 EBADF (Bad file descriptor) [pid 3636] close(17) = -1 EBADF (Bad file descriptor) [pid 3636] close(18) = -1 EBADF (Bad file descriptor) [pid 3636] close(19) = -1 EBADF (Bad file descriptor) [pid 3636] close(20) = -1 EBADF (Bad file descriptor) [pid 3636] close(21) = -1 EBADF (Bad file descriptor) [pid 3636] close(22) = -1 EBADF (Bad file descriptor) [pid 3636] close(23) = -1 EBADF (Bad file descriptor) [pid 3636] close(24) = -1 EBADF (Bad file descriptor) [pid 3636] close(25) = -1 EBADF (Bad file descriptor) [pid 3636] close(26) = -1 EBADF (Bad file descriptor) [pid 3636] close(27) = -1 EBADF (Bad file descriptor) [pid 3636] close(28) = -1 EBADF (Bad file descriptor) [pid 3636] close(29) = -1 EBADF (Bad file descriptor) [pid 3636] exit_group(0) = ? [pid 3636] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./30/binderfs") = 0 [pid 3605] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./30/cgroup") = 0 [pid 3605] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./30/cgroup.net") = 0 [pid 3605] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./30/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./30") = 0 [pid 3605] mkdir("./31", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3637 attached [pid 3637] chdir("./31") = 0 [pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3637] setpgid(0, 0) = 0 [pid 3637] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3637] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3637] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3637] write(3, "1000", 4) = 4 [pid 3637] close(3) = 0 [pid 3637] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3637] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3637] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3637] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3637] openat(3, "freezer.state", O_RDWR) = 4 [pid 3637] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3637] close(3) = 0 [pid 3637] close(4) = 0 [pid 3637] close(5) = -1 EBADF (Bad file descriptor) [pid 3637] close(6) = -1 EBADF (Bad file descriptor) [pid 3637] close(7) = -1 EBADF (Bad file descriptor) [pid 3637] close(8) = -1 EBADF (Bad file descriptor) [pid 3637] close(9) = -1 EBADF (Bad file descriptor) [pid 3637] close(10) = -1 EBADF (Bad file descriptor) [pid 3637] close(11) = -1 EBADF (Bad file descriptor) [pid 3637] close(12) = -1 EBADF (Bad file descriptor) [pid 3637] close(13) = -1 EBADF (Bad file descriptor) [pid 3637] close(14) = -1 EBADF (Bad file descriptor) [pid 3637] close(15) = -1 EBADF (Bad file descriptor) [pid 3637] close(16) = -1 EBADF (Bad file descriptor) [pid 3637] close(17) = -1 EBADF (Bad file descriptor) [pid 3637] close(18) = -1 EBADF (Bad file descriptor) [pid 3637] close(19) = -1 EBADF (Bad file descriptor) [pid 3637] close(20) = -1 EBADF (Bad file descriptor) [pid 3637] close(21) = -1 EBADF (Bad file descriptor) [pid 3637] close(22) = -1 EBADF (Bad file descriptor) [pid 3637] close(23) = -1 EBADF (Bad file descriptor) [pid 3637] close(24) = -1 EBADF (Bad file descriptor) [pid 3637] close(25) = -1 EBADF (Bad file descriptor) [pid 3637] close(26) = -1 EBADF (Bad file descriptor) [pid 3637] close(27) = -1 EBADF (Bad file descriptor) [pid 3637] close(28) = -1 EBADF (Bad file descriptor) [pid 3637] close(29) = -1 EBADF (Bad file descriptor) [pid 3637] exit_group(0) = ? [pid 3637] +++ exited with 0 +++ [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 33 [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./31/binderfs") = 0 [pid 3605] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./31/cgroup") = 0 [pid 3605] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./31/cgroup.net") = 0 [pid 3605] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./31/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./31") = 0 [pid 3605] mkdir("./32", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3638 attached [pid 3638] chdir("./32" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 34 [pid 3638] <... chdir resumed>) = 0 [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3638] setpgid(0, 0) = 0 [pid 3638] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3638] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3638] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3638] write(3, "1000", 4) = 4 [pid 3638] close(3) = 0 [pid 3638] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3638] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3638] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3638] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3638] openat(3, "freezer.state", O_RDWR) = 4 [pid 3638] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3638] close(3) = 0 [pid 3638] close(4) = 0 [pid 3638] close(5) = -1 EBADF (Bad file descriptor) [pid 3638] close(6) = -1 EBADF (Bad file descriptor) [pid 3638] close(7) = -1 EBADF (Bad file descriptor) [pid 3638] close(8) = -1 EBADF (Bad file descriptor) [pid 3638] close(9) = -1 EBADF (Bad file descriptor) [pid 3638] close(10) = -1 EBADF (Bad file descriptor) [pid 3638] close(11) = -1 EBADF (Bad file descriptor) [pid 3638] close(12) = -1 EBADF (Bad file descriptor) [pid 3638] close(13) = -1 EBADF (Bad file descriptor) [pid 3638] close(14) = -1 EBADF (Bad file descriptor) [pid 3638] close(15) = -1 EBADF (Bad file descriptor) [pid 3638] close(16) = -1 EBADF (Bad file descriptor) [pid 3638] close(17) = -1 EBADF (Bad file descriptor) [pid 3638] close(18) = -1 EBADF (Bad file descriptor) [pid 3638] close(19) = -1 EBADF (Bad file descriptor) [pid 3638] close(20) = -1 EBADF (Bad file descriptor) [pid 3638] close(21) = -1 EBADF (Bad file descriptor) [pid 3638] close(22) = -1 EBADF (Bad file descriptor) [pid 3638] close(23) = -1 EBADF (Bad file descriptor) [pid 3638] close(24) = -1 EBADF (Bad file descriptor) [pid 3638] close(25) = -1 EBADF (Bad file descriptor) [pid 3638] close(26) = -1 EBADF (Bad file descriptor) [pid 3638] close(27) = -1 EBADF (Bad file descriptor) [pid 3638] close(28) = -1 EBADF (Bad file descriptor) [pid 3638] close(29) = -1 EBADF (Bad file descriptor) [pid 3638] exit_group(0) = ? [pid 3638] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./32/binderfs") = 0 [pid 3605] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./32/cgroup") = 0 [pid 3605] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./32/cgroup.net") = 0 [pid 3605] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./32/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./32") = 0 [pid 3605] mkdir("./33", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3639 attached [pid 3639] chdir("./33") = 0 [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3639] setpgid(0, 0) = 0 [pid 3639] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3639] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3639] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1000", 4 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 35 [pid 3639] <... write resumed>) = 4 [pid 3639] close(3) = 0 [pid 3639] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3639] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3639] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3639] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3639] openat(3, "freezer.state", O_RDWR) = 4 [pid 3639] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3639] close(3) = 0 [pid 3639] close(4) = 0 [pid 3639] close(5) = -1 EBADF (Bad file descriptor) [pid 3639] close(6) = -1 EBADF (Bad file descriptor) [pid 3639] close(7) = -1 EBADF (Bad file descriptor) [pid 3639] close(8) = -1 EBADF (Bad file descriptor) [pid 3639] close(9) = -1 EBADF (Bad file descriptor) [pid 3639] close(10) = -1 EBADF (Bad file descriptor) [pid 3639] close(11) = -1 EBADF (Bad file descriptor) [pid 3639] close(12) = -1 EBADF (Bad file descriptor) [pid 3639] close(13) = -1 EBADF (Bad file descriptor) [pid 3639] close(14) = -1 EBADF (Bad file descriptor) [pid 3639] close(15) = -1 EBADF (Bad file descriptor) [pid 3639] close(16) = -1 EBADF (Bad file descriptor) [pid 3639] close(17) = -1 EBADF (Bad file descriptor) [pid 3639] close(18) = -1 EBADF (Bad file descriptor) [pid 3639] close(19) = -1 EBADF (Bad file descriptor) [pid 3639] close(20) = -1 EBADF (Bad file descriptor) [pid 3639] close(21) = -1 EBADF (Bad file descriptor) [pid 3639] close(22) = -1 EBADF (Bad file descriptor) [pid 3639] close(23) = -1 EBADF (Bad file descriptor) [pid 3639] close(24) = -1 EBADF (Bad file descriptor) [pid 3639] close(25) = -1 EBADF (Bad file descriptor) [pid 3639] close(26) = -1 EBADF (Bad file descriptor) [pid 3639] close(27) = -1 EBADF (Bad file descriptor) [pid 3639] close(28) = -1 EBADF (Bad file descriptor) [pid 3639] close(29) = -1 EBADF (Bad file descriptor) [pid 3639] exit_group(0) = ? [pid 3639] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./33/binderfs") = 0 [pid 3605] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./33/cgroup") = 0 [pid 3605] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./33/cgroup.net") = 0 [pid 3605] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./33/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./33") = 0 [pid 3605] mkdir("./34", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3640 attached [pid 3640] chdir("./34") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 36 [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3640] setpgid(0, 0) = 0 [pid 3640] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3640] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3640] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3640] write(3, "1000", 4) = 4 [pid 3640] close(3) = 0 [pid 3640] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3640] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3640] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3640] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3640] openat(3, "freezer.state", O_RDWR) = 4 [pid 3640] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3640] close(3) = 0 [pid 3640] close(4) = 0 [pid 3640] close(5) = -1 EBADF (Bad file descriptor) [pid 3640] close(6) = -1 EBADF (Bad file descriptor) [pid 3640] close(7) = -1 EBADF (Bad file descriptor) [pid 3640] close(8) = -1 EBADF (Bad file descriptor) [pid 3640] close(9) = -1 EBADF (Bad file descriptor) [pid 3640] close(10) = -1 EBADF (Bad file descriptor) [pid 3640] close(11) = -1 EBADF (Bad file descriptor) [pid 3640] close(12) = -1 EBADF (Bad file descriptor) [pid 3640] close(13) = -1 EBADF (Bad file descriptor) [pid 3640] close(14) = -1 EBADF (Bad file descriptor) [pid 3640] close(15) = -1 EBADF (Bad file descriptor) [pid 3640] close(16) = -1 EBADF (Bad file descriptor) [pid 3640] close(17) = -1 EBADF (Bad file descriptor) [pid 3640] close(18) = -1 EBADF (Bad file descriptor) [pid 3640] close(19) = -1 EBADF (Bad file descriptor) [pid 3640] close(20) = -1 EBADF (Bad file descriptor) [pid 3640] close(21) = -1 EBADF (Bad file descriptor) [pid 3640] close(22) = -1 EBADF (Bad file descriptor) [pid 3640] close(23) = -1 EBADF (Bad file descriptor) [pid 3640] close(24) = -1 EBADF (Bad file descriptor) [pid 3640] close(25) = -1 EBADF (Bad file descriptor) [pid 3640] close(26) = -1 EBADF (Bad file descriptor) [pid 3640] close(27) = -1 EBADF (Bad file descriptor) [pid 3640] close(28) = -1 EBADF (Bad file descriptor) [pid 3640] close(29) = -1 EBADF (Bad file descriptor) [pid 3640] exit_group(0) = ? [pid 3640] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./34/binderfs") = 0 [pid 3605] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./34/cgroup") = 0 [pid 3605] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./34/cgroup.net") = 0 [pid 3605] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./34/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./34") = 0 [pid 3605] mkdir("./35", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3641 attached [pid 3641] chdir("./35") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 37 [pid 3641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3641] setpgid(0, 0) = 0 [pid 3641] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3641] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3641] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3641] write(3, "1000", 4) = 4 [pid 3641] close(3) = 0 [pid 3641] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3641] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3641] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3641] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3641] openat(3, "freezer.state", O_RDWR) = 4 [pid 3641] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3641] close(3) = 0 [pid 3641] close(4) = 0 [pid 3641] close(5) = -1 EBADF (Bad file descriptor) [pid 3641] close(6) = -1 EBADF (Bad file descriptor) [pid 3641] close(7) = -1 EBADF (Bad file descriptor) [pid 3641] close(8) = -1 EBADF (Bad file descriptor) [pid 3641] close(9) = -1 EBADF (Bad file descriptor) [pid 3641] close(10) = -1 EBADF (Bad file descriptor) [pid 3641] close(11) = -1 EBADF (Bad file descriptor) [pid 3641] close(12) = -1 EBADF (Bad file descriptor) [pid 3641] close(13) = -1 EBADF (Bad file descriptor) [pid 3641] close(14) = -1 EBADF (Bad file descriptor) [pid 3641] close(15) = -1 EBADF (Bad file descriptor) [pid 3641] close(16) = -1 EBADF (Bad file descriptor) [pid 3641] close(17) = -1 EBADF (Bad file descriptor) [pid 3641] close(18) = -1 EBADF (Bad file descriptor) [pid 3641] close(19) = -1 EBADF (Bad file descriptor) [pid 3641] close(20) = -1 EBADF (Bad file descriptor) [pid 3641] close(21) = -1 EBADF (Bad file descriptor) [pid 3641] close(22) = -1 EBADF (Bad file descriptor) [pid 3641] close(23) = -1 EBADF (Bad file descriptor) [pid 3641] close(24) = -1 EBADF (Bad file descriptor) [pid 3641] close(25) = -1 EBADF (Bad file descriptor) [pid 3641] close(26) = -1 EBADF (Bad file descriptor) [pid 3641] close(27) = -1 EBADF (Bad file descriptor) [pid 3641] close(28) = -1 EBADF (Bad file descriptor) [pid 3641] close(29) = -1 EBADF (Bad file descriptor) [pid 3641] exit_group(0) = ? [pid 3641] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./35/binderfs") = 0 [pid 3605] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./35/cgroup") = 0 [pid 3605] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./35/cgroup.net") = 0 [pid 3605] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./35/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./35") = 0 [pid 3605] mkdir("./36", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3642 attached [pid 3642] chdir("./36" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 38 [pid 3642] <... chdir resumed>) = 0 [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3642] setpgid(0, 0) = 0 [pid 3642] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3642] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3642] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1000", 4) = 4 [pid 3642] close(3) = 0 [pid 3642] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3642] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3642] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3642] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3642] openat(3, "freezer.state", O_RDWR) = 4 [pid 3642] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3642] close(3) = 0 [pid 3642] close(4) = 0 [pid 3642] close(5) = -1 EBADF (Bad file descriptor) [pid 3642] close(6) = -1 EBADF (Bad file descriptor) [pid 3642] close(7) = -1 EBADF (Bad file descriptor) [pid 3642] close(8) = -1 EBADF (Bad file descriptor) [pid 3642] close(9) = -1 EBADF (Bad file descriptor) [pid 3642] close(10) = -1 EBADF (Bad file descriptor) [pid 3642] close(11) = -1 EBADF (Bad file descriptor) [pid 3642] close(12) = -1 EBADF (Bad file descriptor) [pid 3642] close(13) = -1 EBADF (Bad file descriptor) [pid 3642] close(14) = -1 EBADF (Bad file descriptor) [pid 3642] close(15) = -1 EBADF (Bad file descriptor) [pid 3642] close(16) = -1 EBADF (Bad file descriptor) [pid 3642] close(17) = -1 EBADF (Bad file descriptor) [pid 3642] close(18) = -1 EBADF (Bad file descriptor) [pid 3642] close(19) = -1 EBADF (Bad file descriptor) [pid 3642] close(20) = -1 EBADF (Bad file descriptor) [pid 3642] close(21) = -1 EBADF (Bad file descriptor) [pid 3642] close(22) = -1 EBADF (Bad file descriptor) [pid 3642] close(23) = -1 EBADF (Bad file descriptor) [pid 3642] close(24) = -1 EBADF (Bad file descriptor) [pid 3642] close(25) = -1 EBADF (Bad file descriptor) [pid 3642] close(26) = -1 EBADF (Bad file descriptor) [pid 3642] close(27) = -1 EBADF (Bad file descriptor) [pid 3642] close(28) = -1 EBADF (Bad file descriptor) [pid 3642] close(29) = -1 EBADF (Bad file descriptor) [pid 3642] exit_group(0) = ? [pid 3642] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./36/binderfs") = 0 [pid 3605] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./36/cgroup") = 0 [pid 3605] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./36/cgroup.net") = 0 [pid 3605] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./36/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./36") = 0 [pid 3605] mkdir("./37", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3643 attached [pid 3643] chdir("./37") = 0 [pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3643] setpgid(0, 0) = 0 [pid 3643] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 39 [pid 3643] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3643] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3643] write(3, "1000", 4) = 4 [pid 3643] close(3) = 0 [pid 3643] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3643] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3643] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3643] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3643] openat(3, "freezer.state", O_RDWR) = 4 [pid 3643] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3643] close(3) = 0 [pid 3643] close(4) = 0 [pid 3643] close(5) = -1 EBADF (Bad file descriptor) [pid 3643] close(6) = -1 EBADF (Bad file descriptor) [pid 3643] close(7) = -1 EBADF (Bad file descriptor) [pid 3643] close(8) = -1 EBADF (Bad file descriptor) [pid 3643] close(9) = -1 EBADF (Bad file descriptor) [pid 3643] close(10) = -1 EBADF (Bad file descriptor) [pid 3643] close(11) = -1 EBADF (Bad file descriptor) [pid 3643] close(12) = -1 EBADF (Bad file descriptor) [pid 3643] close(13) = -1 EBADF (Bad file descriptor) [pid 3643] close(14) = -1 EBADF (Bad file descriptor) [pid 3643] close(15) = -1 EBADF (Bad file descriptor) [pid 3643] close(16) = -1 EBADF (Bad file descriptor) [pid 3643] close(17) = -1 EBADF (Bad file descriptor) [pid 3643] close(18) = -1 EBADF (Bad file descriptor) [pid 3643] close(19) = -1 EBADF (Bad file descriptor) [pid 3643] close(20) = -1 EBADF (Bad file descriptor) [pid 3643] close(21) = -1 EBADF (Bad file descriptor) [pid 3643] close(22) = -1 EBADF (Bad file descriptor) [pid 3643] close(23) = -1 EBADF (Bad file descriptor) [pid 3643] close(24) = -1 EBADF (Bad file descriptor) [pid 3643] close(25) = -1 EBADF (Bad file descriptor) [pid 3643] close(26) = -1 EBADF (Bad file descriptor) [pid 3643] close(27) = -1 EBADF (Bad file descriptor) [pid 3643] close(28) = -1 EBADF (Bad file descriptor) [pid 3643] close(29) = -1 EBADF (Bad file descriptor) [pid 3643] exit_group(0) = ? [pid 3643] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./37/binderfs") = 0 [pid 3605] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./37/cgroup") = 0 [pid 3605] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./37/cgroup.net") = 0 [pid 3605] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./37/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./37") = 0 [pid 3605] mkdir("./38", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3644 attached [pid 3644] chdir("./38") = 0 [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3644] setpgid(0, 0) = 0 [pid 3644] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3644] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 40 [pid 3644] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3644] write(3, "1000", 4) = 4 [pid 3644] close(3) = 0 [pid 3644] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3644] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3644] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3644] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3644] openat(3, "freezer.state", O_RDWR) = 4 [pid 3644] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3644] close(3) = 0 [pid 3644] close(4) = 0 [pid 3644] close(5) = -1 EBADF (Bad file descriptor) [pid 3644] close(6) = -1 EBADF (Bad file descriptor) [pid 3644] close(7) = -1 EBADF (Bad file descriptor) [pid 3644] close(8) = -1 EBADF (Bad file descriptor) [pid 3644] close(9) = -1 EBADF (Bad file descriptor) [pid 3644] close(10) = -1 EBADF (Bad file descriptor) [pid 3644] close(11) = -1 EBADF (Bad file descriptor) [pid 3644] close(12) = -1 EBADF (Bad file descriptor) [pid 3644] close(13) = -1 EBADF (Bad file descriptor) [pid 3644] close(14) = -1 EBADF (Bad file descriptor) [pid 3644] close(15) = -1 EBADF (Bad file descriptor) [pid 3644] close(16) = -1 EBADF (Bad file descriptor) [pid 3644] close(17) = -1 EBADF (Bad file descriptor) [pid 3644] close(18) = -1 EBADF (Bad file descriptor) [pid 3644] close(19) = -1 EBADF (Bad file descriptor) [pid 3644] close(20) = -1 EBADF (Bad file descriptor) [pid 3644] close(21) = -1 EBADF (Bad file descriptor) [pid 3644] close(22) = -1 EBADF (Bad file descriptor) [pid 3644] close(23) = -1 EBADF (Bad file descriptor) [pid 3644] close(24) = -1 EBADF (Bad file descriptor) [pid 3644] close(25) = -1 EBADF (Bad file descriptor) [pid 3644] close(26) = -1 EBADF (Bad file descriptor) [pid 3644] close(27) = -1 EBADF (Bad file descriptor) [pid 3644] close(28) = -1 EBADF (Bad file descriptor) [pid 3644] close(29) = -1 EBADF (Bad file descriptor) [pid 3644] exit_group(0) = ? [pid 3644] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./38/binderfs") = 0 [pid 3605] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./38/cgroup") = 0 [pid 3605] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./38/cgroup.net") = 0 [pid 3605] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./38/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./38") = 0 [pid 3605] mkdir("./39", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3645 attached [pid 3645] chdir("./39" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 41 [pid 3645] <... chdir resumed>) = 0 [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3645] setpgid(0, 0) = 0 [pid 3645] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3645] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3645] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3645] write(3, "1000", 4) = 4 [pid 3645] close(3) = 0 [pid 3645] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3645] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3645] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3645] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3645] openat(3, "freezer.state", O_RDWR) = 4 [pid 3645] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3645] close(3) = 0 [pid 3645] close(4) = 0 [pid 3645] close(5) = -1 EBADF (Bad file descriptor) [pid 3645] close(6) = -1 EBADF (Bad file descriptor) [pid 3645] close(7) = -1 EBADF (Bad file descriptor) [pid 3645] close(8) = -1 EBADF (Bad file descriptor) [pid 3645] close(9) = -1 EBADF (Bad file descriptor) [pid 3645] close(10) = -1 EBADF (Bad file descriptor) [pid 3645] close(11) = -1 EBADF (Bad file descriptor) [pid 3645] close(12) = -1 EBADF (Bad file descriptor) [pid 3645] close(13) = -1 EBADF (Bad file descriptor) [pid 3645] close(14) = -1 EBADF (Bad file descriptor) [pid 3645] close(15) = -1 EBADF (Bad file descriptor) [pid 3645] close(16) = -1 EBADF (Bad file descriptor) [pid 3645] close(17) = -1 EBADF (Bad file descriptor) [pid 3645] close(18) = -1 EBADF (Bad file descriptor) [pid 3645] close(19) = -1 EBADF (Bad file descriptor) [pid 3645] close(20) = -1 EBADF (Bad file descriptor) [pid 3645] close(21) = -1 EBADF (Bad file descriptor) [pid 3645] close(22) = -1 EBADF (Bad file descriptor) [pid 3645] close(23) = -1 EBADF (Bad file descriptor) [pid 3645] close(24) = -1 EBADF (Bad file descriptor) [pid 3645] close(25) = -1 EBADF (Bad file descriptor) [pid 3645] close(26) = -1 EBADF (Bad file descriptor) [pid 3645] close(27) = -1 EBADF (Bad file descriptor) [pid 3645] close(28) = -1 EBADF (Bad file descriptor) [pid 3645] close(29) = -1 EBADF (Bad file descriptor) [pid 3645] exit_group(0) = ? [pid 3645] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./39/binderfs") = 0 [pid 3605] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./39/cgroup") = 0 [pid 3605] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./39/cgroup.net") = 0 [pid 3605] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./39/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./39") = 0 [pid 3605] mkdir("./40", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3646 attached [pid 3646] chdir("./40") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 42 [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3646] setpgid(0, 0) = 0 [pid 3646] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3646] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3646] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3646] write(3, "1000", 4) = 4 [pid 3646] close(3) = 0 [pid 3646] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3646] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3646] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3646] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3646] openat(3, "freezer.state", O_RDWR) = 4 [pid 3646] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3646] close(3) = 0 [pid 3646] close(4) = 0 [pid 3646] close(5) = -1 EBADF (Bad file descriptor) [pid 3646] close(6) = -1 EBADF (Bad file descriptor) [pid 3646] close(7) = -1 EBADF (Bad file descriptor) [pid 3646] close(8) = -1 EBADF (Bad file descriptor) [pid 3646] close(9) = -1 EBADF (Bad file descriptor) [pid 3646] close(10) = -1 EBADF (Bad file descriptor) [pid 3646] close(11) = -1 EBADF (Bad file descriptor) [pid 3646] close(12) = -1 EBADF (Bad file descriptor) [pid 3646] close(13) = -1 EBADF (Bad file descriptor) [pid 3646] close(14) = -1 EBADF (Bad file descriptor) [pid 3646] close(15) = -1 EBADF (Bad file descriptor) [pid 3646] close(16) = -1 EBADF (Bad file descriptor) [pid 3646] close(17) = -1 EBADF (Bad file descriptor) [pid 3646] close(18) = -1 EBADF (Bad file descriptor) [pid 3646] close(19) = -1 EBADF (Bad file descriptor) [pid 3646] close(20) = -1 EBADF (Bad file descriptor) [pid 3646] close(21) = -1 EBADF (Bad file descriptor) [pid 3646] close(22) = -1 EBADF (Bad file descriptor) [pid 3646] close(23) = -1 EBADF (Bad file descriptor) [pid 3646] close(24) = -1 EBADF (Bad file descriptor) [pid 3646] close(25) = -1 EBADF (Bad file descriptor) [pid 3646] close(26) = -1 EBADF (Bad file descriptor) [pid 3646] close(27) = -1 EBADF (Bad file descriptor) [pid 3646] close(28) = -1 EBADF (Bad file descriptor) [pid 3646] close(29) = -1 EBADF (Bad file descriptor) [pid 3646] exit_group(0) = ? [pid 3646] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./40/binderfs") = 0 [pid 3605] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./40/cgroup") = 0 [pid 3605] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./40/cgroup.net") = 0 [pid 3605] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./40/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./40") = 0 [pid 3605] mkdir("./41", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3647 attached [pid 3647] chdir("./41") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 43 [pid 3647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3647] setpgid(0, 0) = 0 [pid 3647] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3647] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3647] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3647] write(3, "1000", 4) = 4 [pid 3647] close(3) = 0 [pid 3647] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3647] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3647] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3647] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3647] openat(3, "freezer.state", O_RDWR) = 4 [pid 3647] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3647] close(3) = 0 [pid 3647] close(4) = 0 [pid 3647] close(5) = -1 EBADF (Bad file descriptor) [pid 3647] close(6) = -1 EBADF (Bad file descriptor) [pid 3647] close(7) = -1 EBADF (Bad file descriptor) [pid 3647] close(8) = -1 EBADF (Bad file descriptor) [pid 3647] close(9) = -1 EBADF (Bad file descriptor) [pid 3647] close(10) = -1 EBADF (Bad file descriptor) [pid 3647] close(11) = -1 EBADF (Bad file descriptor) [pid 3647] close(12) = -1 EBADF (Bad file descriptor) [pid 3647] close(13) = -1 EBADF (Bad file descriptor) [pid 3647] close(14) = -1 EBADF (Bad file descriptor) [pid 3647] close(15) = -1 EBADF (Bad file descriptor) [pid 3647] close(16) = -1 EBADF (Bad file descriptor) [pid 3647] close(17) = -1 EBADF (Bad file descriptor) [pid 3647] close(18) = -1 EBADF (Bad file descriptor) [pid 3647] close(19) = -1 EBADF (Bad file descriptor) [pid 3647] close(20) = -1 EBADF (Bad file descriptor) [pid 3647] close(21) = -1 EBADF (Bad file descriptor) [pid 3647] close(22) = -1 EBADF (Bad file descriptor) [pid 3647] close(23) = -1 EBADF (Bad file descriptor) [pid 3647] close(24) = -1 EBADF (Bad file descriptor) [pid 3647] close(25) = -1 EBADF (Bad file descriptor) [pid 3647] close(26) = -1 EBADF (Bad file descriptor) [pid 3647] close(27) = -1 EBADF (Bad file descriptor) [pid 3647] close(28) = -1 EBADF (Bad file descriptor) [pid 3647] close(29) = -1 EBADF (Bad file descriptor) [pid 3647] exit_group(0) = ? [pid 3647] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./41/binderfs") = 0 [pid 3605] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./41/cgroup") = 0 [pid 3605] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./41/cgroup.net") = 0 [pid 3605] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./41/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./41") = 0 [pid 3605] mkdir("./42", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3648 attached [pid 3648] chdir("./42") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 44 [pid 3648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3648] setpgid(0, 0) = 0 [pid 3648] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3648] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3648] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3648] write(3, "1000", 4) = 4 [pid 3648] close(3) = 0 [pid 3648] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3648] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3648] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3648] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3648] openat(3, "freezer.state", O_RDWR) = 4 [pid 3648] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3648] close(3) = 0 [pid 3648] close(4) = 0 [pid 3648] close(5) = -1 EBADF (Bad file descriptor) [pid 3648] close(6) = -1 EBADF (Bad file descriptor) [pid 3648] close(7) = -1 EBADF (Bad file descriptor) [pid 3648] close(8) = -1 EBADF (Bad file descriptor) [pid 3648] close(9) = -1 EBADF (Bad file descriptor) [pid 3648] close(10) = -1 EBADF (Bad file descriptor) [pid 3648] close(11) = -1 EBADF (Bad file descriptor) [pid 3648] close(12) = -1 EBADF (Bad file descriptor) [pid 3648] close(13) = -1 EBADF (Bad file descriptor) [pid 3648] close(14) = -1 EBADF (Bad file descriptor) [pid 3648] close(15) = -1 EBADF (Bad file descriptor) [pid 3648] close(16) = -1 EBADF (Bad file descriptor) [pid 3648] close(17) = -1 EBADF (Bad file descriptor) [pid 3648] close(18) = -1 EBADF (Bad file descriptor) [pid 3648] close(19) = -1 EBADF (Bad file descriptor) [pid 3648] close(20) = -1 EBADF (Bad file descriptor) [pid 3648] close(21) = -1 EBADF (Bad file descriptor) [pid 3648] close(22) = -1 EBADF (Bad file descriptor) [pid 3648] close(23) = -1 EBADF (Bad file descriptor) [pid 3648] close(24) = -1 EBADF (Bad file descriptor) [pid 3648] close(25) = -1 EBADF (Bad file descriptor) [pid 3648] close(26) = -1 EBADF (Bad file descriptor) [pid 3648] close(27) = -1 EBADF (Bad file descriptor) [pid 3648] close(28) = -1 EBADF (Bad file descriptor) [pid 3648] close(29) = -1 EBADF (Bad file descriptor) [pid 3648] exit_group(0) = ? [pid 3648] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./42/binderfs") = 0 [pid 3605] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./42/cgroup") = 0 [pid 3605] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./42/cgroup.net") = 0 [pid 3605] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./42/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./42") = 0 [pid 3605] mkdir("./43", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3649 attached [pid 3649] chdir("./43") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 45 [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3649] setpgid(0, 0) = 0 [pid 3649] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3649] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3649] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3649] write(3, "1000", 4) = 4 [pid 3649] close(3) = 0 [pid 3649] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3649] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3649] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3649] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3649] openat(3, "freezer.state", O_RDWR) = 4 [pid 3649] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3649] close(3) = 0 [pid 3649] close(4) = 0 [pid 3649] close(5) = -1 EBADF (Bad file descriptor) [pid 3649] close(6) = -1 EBADF (Bad file descriptor) [pid 3649] close(7) = -1 EBADF (Bad file descriptor) [pid 3649] close(8) = -1 EBADF (Bad file descriptor) [pid 3649] close(9) = -1 EBADF (Bad file descriptor) [pid 3649] close(10) = -1 EBADF (Bad file descriptor) [pid 3649] close(11) = -1 EBADF (Bad file descriptor) [pid 3649] close(12) = -1 EBADF (Bad file descriptor) [pid 3649] close(13) = -1 EBADF (Bad file descriptor) [pid 3649] close(14) = -1 EBADF (Bad file descriptor) [pid 3649] close(15) = -1 EBADF (Bad file descriptor) [pid 3649] close(16) = -1 EBADF (Bad file descriptor) [pid 3649] close(17) = -1 EBADF (Bad file descriptor) [pid 3649] close(18) = -1 EBADF (Bad file descriptor) [pid 3649] close(19) = -1 EBADF (Bad file descriptor) [pid 3649] close(20) = -1 EBADF (Bad file descriptor) [pid 3649] close(21) = -1 EBADF (Bad file descriptor) [pid 3649] close(22) = -1 EBADF (Bad file descriptor) [pid 3649] close(23) = -1 EBADF (Bad file descriptor) [pid 3649] close(24) = -1 EBADF (Bad file descriptor) [pid 3649] close(25) = -1 EBADF (Bad file descriptor) [pid 3649] close(26) = -1 EBADF (Bad file descriptor) [pid 3649] close(27) = -1 EBADF (Bad file descriptor) [pid 3649] close(28) = -1 EBADF (Bad file descriptor) [pid 3649] close(29) = -1 EBADF (Bad file descriptor) [pid 3649] exit_group(0) = ? [pid 3649] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./43/binderfs") = 0 [pid 3605] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./43/cgroup") = 0 [pid 3605] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./43/cgroup.net") = 0 [pid 3605] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./43/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./43") = 0 [pid 3605] mkdir("./44", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3650 attached [pid 3650] chdir("./44") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 46 [pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3650] setpgid(0, 0) = 0 [pid 3650] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3650] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3650] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3650] write(3, "1000", 4) = 4 [pid 3650] close(3) = 0 [pid 3650] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3650] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3650] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3650] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3650] openat(3, "freezer.state", O_RDWR) = 4 [pid 3650] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3650] close(3) = 0 [pid 3650] close(4) = 0 [pid 3650] close(5) = -1 EBADF (Bad file descriptor) [pid 3650] close(6) = -1 EBADF (Bad file descriptor) [pid 3650] close(7) = -1 EBADF (Bad file descriptor) [pid 3650] close(8) = -1 EBADF (Bad file descriptor) [pid 3650] close(9) = -1 EBADF (Bad file descriptor) [pid 3650] close(10) = -1 EBADF (Bad file descriptor) [pid 3650] close(11) = -1 EBADF (Bad file descriptor) [pid 3650] close(12) = -1 EBADF (Bad file descriptor) [pid 3650] close(13) = -1 EBADF (Bad file descriptor) [pid 3650] close(14) = -1 EBADF (Bad file descriptor) [pid 3650] close(15) = -1 EBADF (Bad file descriptor) [pid 3650] close(16) = -1 EBADF (Bad file descriptor) [pid 3650] close(17) = -1 EBADF (Bad file descriptor) [pid 3650] close(18) = -1 EBADF (Bad file descriptor) [pid 3650] close(19) = -1 EBADF (Bad file descriptor) [pid 3650] close(20) = -1 EBADF (Bad file descriptor) [pid 3650] close(21) = -1 EBADF (Bad file descriptor) [pid 3650] close(22) = -1 EBADF (Bad file descriptor) [pid 3650] close(23) = -1 EBADF (Bad file descriptor) [pid 3650] close(24) = -1 EBADF (Bad file descriptor) [pid 3650] close(25) = -1 EBADF (Bad file descriptor) [pid 3650] close(26) = -1 EBADF (Bad file descriptor) [pid 3650] close(27) = -1 EBADF (Bad file descriptor) [pid 3650] close(28) = -1 EBADF (Bad file descriptor) [pid 3650] close(29) = -1 EBADF (Bad file descriptor) [pid 3650] exit_group(0) = ? [pid 3650] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./44/binderfs") = 0 [pid 3605] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./44/cgroup") = 0 [pid 3605] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./44/cgroup.net") = 0 [pid 3605] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./44/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./44") = 0 [pid 3605] mkdir("./45", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3651 attached , child_tidptr=0x555556c0f5d0) = 47 [pid 3651] chdir("./45") = 0 [pid 3651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3651] setpgid(0, 0) = 0 [pid 3651] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3651] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3651] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3651] write(3, "1000", 4) = 4 [pid 3651] close(3) = 0 [pid 3651] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3651] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3651] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3651] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3651] openat(3, "freezer.state", O_RDWR) = 4 [pid 3651] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3651] close(3) = 0 [pid 3651] close(4) = 0 [pid 3651] close(5) = -1 EBADF (Bad file descriptor) [pid 3651] close(6) = -1 EBADF (Bad file descriptor) [pid 3651] close(7) = -1 EBADF (Bad file descriptor) [pid 3651] close(8) = -1 EBADF (Bad file descriptor) [pid 3651] close(9) = -1 EBADF (Bad file descriptor) [pid 3651] close(10) = -1 EBADF (Bad file descriptor) [pid 3651] close(11) = -1 EBADF (Bad file descriptor) [pid 3651] close(12) = -1 EBADF (Bad file descriptor) [pid 3651] close(13) = -1 EBADF (Bad file descriptor) [pid 3651] close(14) = -1 EBADF (Bad file descriptor) [pid 3651] close(15) = -1 EBADF (Bad file descriptor) [pid 3651] close(16) = -1 EBADF (Bad file descriptor) [pid 3651] close(17) = -1 EBADF (Bad file descriptor) [pid 3651] close(18) = -1 EBADF (Bad file descriptor) [pid 3651] close(19) = -1 EBADF (Bad file descriptor) [pid 3651] close(20) = -1 EBADF (Bad file descriptor) [pid 3651] close(21) = -1 EBADF (Bad file descriptor) [pid 3651] close(22) = -1 EBADF (Bad file descriptor) [pid 3651] close(23) = -1 EBADF (Bad file descriptor) [pid 3651] close(24) = -1 EBADF (Bad file descriptor) [pid 3651] close(25) = -1 EBADF (Bad file descriptor) [pid 3651] close(26) = -1 EBADF (Bad file descriptor) [pid 3651] close(27) = -1 EBADF (Bad file descriptor) [pid 3651] close(28) = -1 EBADF (Bad file descriptor) [pid 3651] close(29) = -1 EBADF (Bad file descriptor) [pid 3651] exit_group(0) = ? [pid 3651] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./45/binderfs") = 0 [pid 3605] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./45/cgroup") = 0 [pid 3605] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./45/cgroup.net") = 0 [pid 3605] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./45/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./45") = 0 [pid 3605] mkdir("./46", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3652 attached , child_tidptr=0x555556c0f5d0) = 48 [pid 3652] chdir("./46") = 0 [pid 3652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3652] setpgid(0, 0) = 0 [pid 3652] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3652] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3652] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3652] write(3, "1000", 4) = 4 [pid 3652] close(3) = 0 [pid 3652] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3652] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3652] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3652] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3652] openat(3, "freezer.state", O_RDWR) = 4 [pid 3652] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3652] close(3) = 0 [pid 3652] close(4) = 0 [pid 3652] close(5) = -1 EBADF (Bad file descriptor) [pid 3652] close(6) = -1 EBADF (Bad file descriptor) [pid 3652] close(7) = -1 EBADF (Bad file descriptor) [pid 3652] close(8) = -1 EBADF (Bad file descriptor) [pid 3652] close(9) = -1 EBADF (Bad file descriptor) [pid 3652] close(10) = -1 EBADF (Bad file descriptor) [pid 3652] close(11) = -1 EBADF (Bad file descriptor) [pid 3652] close(12) = -1 EBADF (Bad file descriptor) [pid 3652] close(13) = -1 EBADF (Bad file descriptor) [pid 3652] close(14) = -1 EBADF (Bad file descriptor) [pid 3652] close(15) = -1 EBADF (Bad file descriptor) [pid 3652] close(16) = -1 EBADF (Bad file descriptor) [pid 3652] close(17) = -1 EBADF (Bad file descriptor) [pid 3652] close(18) = -1 EBADF (Bad file descriptor) [pid 3652] close(19) = -1 EBADF (Bad file descriptor) [pid 3652] close(20) = -1 EBADF (Bad file descriptor) [pid 3652] close(21) = -1 EBADF (Bad file descriptor) [pid 3652] close(22) = -1 EBADF (Bad file descriptor) [pid 3652] close(23) = -1 EBADF (Bad file descriptor) [pid 3652] close(24) = -1 EBADF (Bad file descriptor) [pid 3652] close(25) = -1 EBADF (Bad file descriptor) [pid 3652] close(26) = -1 EBADF (Bad file descriptor) [pid 3652] close(27) = -1 EBADF (Bad file descriptor) [pid 3652] close(28) = -1 EBADF (Bad file descriptor) [pid 3652] close(29) = -1 EBADF (Bad file descriptor) [pid 3652] exit_group(0) = ? [pid 3652] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./46/binderfs") = 0 [pid 3605] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./46/cgroup") = 0 [pid 3605] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./46/cgroup.net") = 0 [pid 3605] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./46/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./46") = 0 [pid 3605] mkdir("./47", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3653 attached [pid 3653] chdir("./47") = 0 [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3653] setpgid(0, 0) = 0 [pid 3653] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 49 [pid 3653] <... symlink resumed>) = 0 [pid 3653] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3653] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3653] write(3, "1000", 4) = 4 [pid 3653] close(3) = 0 [pid 3653] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3653] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3653] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3653] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3653] openat(3, "freezer.state", O_RDWR) = 4 [pid 3653] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3653] close(3) = 0 [pid 3653] close(4) = 0 [pid 3653] close(5) = -1 EBADF (Bad file descriptor) [pid 3653] close(6) = -1 EBADF (Bad file descriptor) [pid 3653] close(7) = -1 EBADF (Bad file descriptor) [pid 3653] close(8) = -1 EBADF (Bad file descriptor) [pid 3653] close(9) = -1 EBADF (Bad file descriptor) [pid 3653] close(10) = -1 EBADF (Bad file descriptor) [pid 3653] close(11) = -1 EBADF (Bad file descriptor) [pid 3653] close(12) = -1 EBADF (Bad file descriptor) [pid 3653] close(13) = -1 EBADF (Bad file descriptor) [pid 3653] close(14) = -1 EBADF (Bad file descriptor) [pid 3653] close(15) = -1 EBADF (Bad file descriptor) [pid 3653] close(16) = -1 EBADF (Bad file descriptor) [pid 3653] close(17) = -1 EBADF (Bad file descriptor) [pid 3653] close(18) = -1 EBADF (Bad file descriptor) [pid 3653] close(19) = -1 EBADF (Bad file descriptor) [pid 3653] close(20) = -1 EBADF (Bad file descriptor) [pid 3653] close(21) = -1 EBADF (Bad file descriptor) [pid 3653] close(22) = -1 EBADF (Bad file descriptor) [pid 3653] close(23) = -1 EBADF (Bad file descriptor) [pid 3653] close(24) = -1 EBADF (Bad file descriptor) [pid 3653] close(25) = -1 EBADF (Bad file descriptor) [pid 3653] close(26) = -1 EBADF (Bad file descriptor) [pid 3653] close(27) = -1 EBADF (Bad file descriptor) [pid 3653] close(28) = -1 EBADF (Bad file descriptor) [pid 3653] close(29) = -1 EBADF (Bad file descriptor) [pid 3653] exit_group(0) = ? [pid 3653] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./47/binderfs") = 0 [pid 3605] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./47/cgroup") = 0 [pid 3605] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./47/cgroup.net") = 0 [pid 3605] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./47/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./47") = 0 [pid 3605] mkdir("./48", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3654 attached [pid 3654] chdir("./48") = 0 [pid 3654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 50 [pid 3654] <... prctl resumed>) = 0 [pid 3654] setpgid(0, 0) = 0 [pid 3654] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3654] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3654] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3654] write(3, "1000", 4) = 4 [pid 3654] close(3) = 0 [pid 3654] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3654] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3654] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3654] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3654] openat(3, "freezer.state", O_RDWR) = 4 [pid 3654] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3654] close(3) = 0 [pid 3654] close(4) = 0 [pid 3654] close(5) = -1 EBADF (Bad file descriptor) [pid 3654] close(6) = -1 EBADF (Bad file descriptor) [pid 3654] close(7) = -1 EBADF (Bad file descriptor) [pid 3654] close(8) = -1 EBADF (Bad file descriptor) [pid 3654] close(9) = -1 EBADF (Bad file descriptor) [pid 3654] close(10) = -1 EBADF (Bad file descriptor) [pid 3654] close(11) = -1 EBADF (Bad file descriptor) [pid 3654] close(12) = -1 EBADF (Bad file descriptor) [pid 3654] close(13) = -1 EBADF (Bad file descriptor) [pid 3654] close(14) = -1 EBADF (Bad file descriptor) [pid 3654] close(15) = -1 EBADF (Bad file descriptor) [pid 3654] close(16) = -1 EBADF (Bad file descriptor) [pid 3654] close(17) = -1 EBADF (Bad file descriptor) [pid 3654] close(18) = -1 EBADF (Bad file descriptor) [pid 3654] close(19) = -1 EBADF (Bad file descriptor) [pid 3654] close(20) = -1 EBADF (Bad file descriptor) [pid 3654] close(21) = -1 EBADF (Bad file descriptor) [pid 3654] close(22) = -1 EBADF (Bad file descriptor) [pid 3654] close(23) = -1 EBADF (Bad file descriptor) [pid 3654] close(24) = -1 EBADF (Bad file descriptor) [pid 3654] close(25) = -1 EBADF (Bad file descriptor) [pid 3654] close(26) = -1 EBADF (Bad file descriptor) [pid 3654] close(27) = -1 EBADF (Bad file descriptor) [pid 3654] close(28) = -1 EBADF (Bad file descriptor) [pid 3654] close(29) = -1 EBADF (Bad file descriptor) [pid 3654] exit_group(0) = ? [pid 3654] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./48/binderfs") = 0 [pid 3605] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./48/cgroup") = 0 [pid 3605] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./48/cgroup.net") = 0 [pid 3605] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./48/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./48") = 0 [pid 3605] mkdir("./49", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3655 attached [pid 3655] chdir("./49") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 51 [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3655] setpgid(0, 0) = 0 [pid 3655] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3655] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3655] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3655] write(3, "1000", 4) = 4 [pid 3655] close(3) = 0 [pid 3655] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3655] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3655] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3655] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3655] openat(3, "freezer.state", O_RDWR) = 4 [pid 3655] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3655] close(3) = 0 [pid 3655] close(4) = 0 [pid 3655] close(5) = -1 EBADF (Bad file descriptor) [pid 3655] close(6) = -1 EBADF (Bad file descriptor) [pid 3655] close(7) = -1 EBADF (Bad file descriptor) [pid 3655] close(8) = -1 EBADF (Bad file descriptor) [pid 3655] close(9) = -1 EBADF (Bad file descriptor) [pid 3655] close(10) = -1 EBADF (Bad file descriptor) [pid 3655] close(11) = -1 EBADF (Bad file descriptor) [pid 3655] close(12) = -1 EBADF (Bad file descriptor) [pid 3655] close(13) = -1 EBADF (Bad file descriptor) [pid 3655] close(14) = -1 EBADF (Bad file descriptor) [pid 3655] close(15) = -1 EBADF (Bad file descriptor) [pid 3655] close(16) = -1 EBADF (Bad file descriptor) [pid 3655] close(17) = -1 EBADF (Bad file descriptor) [pid 3655] close(18) = -1 EBADF (Bad file descriptor) [pid 3655] close(19) = -1 EBADF (Bad file descriptor) [pid 3655] close(20) = -1 EBADF (Bad file descriptor) [pid 3655] close(21) = -1 EBADF (Bad file descriptor) [pid 3655] close(22) = -1 EBADF (Bad file descriptor) [pid 3655] close(23) = -1 EBADF (Bad file descriptor) [pid 3655] close(24) = -1 EBADF (Bad file descriptor) [pid 3655] close(25) = -1 EBADF (Bad file descriptor) [pid 3655] close(26) = -1 EBADF (Bad file descriptor) [pid 3655] close(27) = -1 EBADF (Bad file descriptor) [pid 3655] close(28) = -1 EBADF (Bad file descriptor) [pid 3655] close(29) = -1 EBADF (Bad file descriptor) [pid 3655] exit_group(0) = ? [pid 3655] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./49/binderfs") = 0 [pid 3605] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./49/cgroup") = 0 [pid 3605] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./49/cgroup.net") = 0 [pid 3605] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./49/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./49") = 0 [pid 3605] mkdir("./50", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3656 attached [pid 3656] chdir("./50") = 0 [pid 3656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3656] setpgid(0, 0) = 0 [pid 3656] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3656] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3656] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3656] write(3, "1000", 4) = 4 [pid 3656] close(3) = 0 [pid 3656] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3656] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3656] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3656] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3656] openat(3, "freezer.state", O_RDWR) = 4 [pid 3656] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3656] close(3) = 0 [pid 3656] close(4) = 0 [pid 3656] close(5) = -1 EBADF (Bad file descriptor) [pid 3656] close(6) = -1 EBADF (Bad file descriptor) [pid 3656] close(7) = -1 EBADF (Bad file descriptor) [pid 3656] close(8) = -1 EBADF (Bad file descriptor) [pid 3656] close(9) = -1 EBADF (Bad file descriptor) [pid 3656] close(10) = -1 EBADF (Bad file descriptor) [pid 3656] close(11) = -1 EBADF (Bad file descriptor) [pid 3656] close(12) = -1 EBADF (Bad file descriptor) [pid 3656] close(13) = -1 EBADF (Bad file descriptor) [pid 3656] close(14) = -1 EBADF (Bad file descriptor) [pid 3656] close(15) = -1 EBADF (Bad file descriptor) [pid 3656] close(16) = -1 EBADF (Bad file descriptor) [pid 3656] close(17) = -1 EBADF (Bad file descriptor) [pid 3656] close(18) = -1 EBADF (Bad file descriptor) [pid 3656] close(19) = -1 EBADF (Bad file descriptor) [pid 3656] close(20) = -1 EBADF (Bad file descriptor) [pid 3656] close(21) = -1 EBADF (Bad file descriptor) [pid 3656] close(22) = -1 EBADF (Bad file descriptor) [pid 3656] close(23) = -1 EBADF (Bad file descriptor) [pid 3656] close(24) = -1 EBADF (Bad file descriptor) [pid 3656] close(25) = -1 EBADF (Bad file descriptor) [pid 3656] close(26) = -1 EBADF (Bad file descriptor) [pid 3656] close(27) = -1 EBADF (Bad file descriptor) [pid 3656] close(28) = -1 EBADF (Bad file descriptor) [pid 3656] close(29) = -1 EBADF (Bad file descriptor) [pid 3656] exit_group(0) = ? [pid 3656] +++ exited with 0 +++ [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 52 [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./50/binderfs") = 0 [pid 3605] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./50/cgroup") = 0 [pid 3605] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./50/cgroup.net") = 0 [pid 3605] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./50/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./50") = 0 [pid 3605] mkdir("./51", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3657 attached [pid 3657] chdir("./51") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 53 [pid 3657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3657] setpgid(0, 0) = 0 [pid 3657] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3657] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3657] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3657] write(3, "1000", 4) = 4 [pid 3657] close(3) = 0 [pid 3657] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3657] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3657] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3657] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3657] openat(3, "freezer.state", O_RDWR) = 4 [pid 3657] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3657] close(3) = 0 [pid 3657] close(4) = 0 [pid 3657] close(5) = -1 EBADF (Bad file descriptor) [pid 3657] close(6) = -1 EBADF (Bad file descriptor) [pid 3657] close(7) = -1 EBADF (Bad file descriptor) [pid 3657] close(8) = -1 EBADF (Bad file descriptor) [pid 3657] close(9) = -1 EBADF (Bad file descriptor) [pid 3657] close(10) = -1 EBADF (Bad file descriptor) [pid 3657] close(11) = -1 EBADF (Bad file descriptor) [pid 3657] close(12) = -1 EBADF (Bad file descriptor) [pid 3657] close(13) = -1 EBADF (Bad file descriptor) [pid 3657] close(14) = -1 EBADF (Bad file descriptor) [pid 3657] close(15) = -1 EBADF (Bad file descriptor) [pid 3657] close(16) = -1 EBADF (Bad file descriptor) [pid 3657] close(17) = -1 EBADF (Bad file descriptor) [pid 3657] close(18) = -1 EBADF (Bad file descriptor) [pid 3657] close(19) = -1 EBADF (Bad file descriptor) [pid 3657] close(20) = -1 EBADF (Bad file descriptor) [pid 3657] close(21) = -1 EBADF (Bad file descriptor) [pid 3657] close(22) = -1 EBADF (Bad file descriptor) [pid 3657] close(23) = -1 EBADF (Bad file descriptor) [pid 3657] close(24) = -1 EBADF (Bad file descriptor) [pid 3657] close(25) = -1 EBADF (Bad file descriptor) [pid 3657] close(26) = -1 EBADF (Bad file descriptor) [pid 3657] close(27) = -1 EBADF (Bad file descriptor) [pid 3657] close(28) = -1 EBADF (Bad file descriptor) [pid 3657] close(29) = -1 EBADF (Bad file descriptor) [pid 3657] exit_group(0) = ? [pid 3657] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./51/binderfs") = 0 [pid 3605] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./51/cgroup") = 0 [pid 3605] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./51/cgroup.net") = 0 [pid 3605] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./51/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./51") = 0 [pid 3605] mkdir("./52", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3658 attached [pid 3658] chdir("./52") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 54 [pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3658] setpgid(0, 0) = 0 [pid 3658] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3658] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3658] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3658] write(3, "1000", 4) = 4 [pid 3658] close(3) = 0 [pid 3658] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3658] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3658] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3658] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3658] openat(3, "freezer.state", O_RDWR) = 4 [pid 3658] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3658] close(3) = 0 [pid 3658] close(4) = 0 [pid 3658] close(5) = -1 EBADF (Bad file descriptor) [pid 3658] close(6) = -1 EBADF (Bad file descriptor) [pid 3658] close(7) = -1 EBADF (Bad file descriptor) [pid 3658] close(8) = -1 EBADF (Bad file descriptor) [pid 3658] close(9) = -1 EBADF (Bad file descriptor) [pid 3658] close(10) = -1 EBADF (Bad file descriptor) [pid 3658] close(11) = -1 EBADF (Bad file descriptor) [pid 3658] close(12) = -1 EBADF (Bad file descriptor) [pid 3658] close(13) = -1 EBADF (Bad file descriptor) [pid 3658] close(14) = -1 EBADF (Bad file descriptor) [pid 3658] close(15) = -1 EBADF (Bad file descriptor) [pid 3658] close(16) = -1 EBADF (Bad file descriptor) [pid 3658] close(17) = -1 EBADF (Bad file descriptor) [pid 3658] close(18) = -1 EBADF (Bad file descriptor) [pid 3658] close(19) = -1 EBADF (Bad file descriptor) [pid 3658] close(20) = -1 EBADF (Bad file descriptor) [pid 3658] close(21) = -1 EBADF (Bad file descriptor) [pid 3658] close(22) = -1 EBADF (Bad file descriptor) [pid 3658] close(23) = -1 EBADF (Bad file descriptor) [pid 3658] close(24) = -1 EBADF (Bad file descriptor) [pid 3658] close(25) = -1 EBADF (Bad file descriptor) [pid 3658] close(26) = -1 EBADF (Bad file descriptor) [pid 3658] close(27) = -1 EBADF (Bad file descriptor) [pid 3658] close(28) = -1 EBADF (Bad file descriptor) [pid 3658] close(29) = -1 EBADF (Bad file descriptor) [pid 3658] exit_group(0) = ? [pid 3658] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./52/binderfs") = 0 [pid 3605] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./52/cgroup") = 0 [pid 3605] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./52/cgroup.net") = 0 [pid 3605] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./52/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./52") = 0 [pid 3605] mkdir("./53", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3659 attached [pid 3659] chdir("./53") = 0 [pid 3659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3659] setpgid(0, 0) = 0 [pid 3659] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 55 [pid 3659] <... symlink resumed>) = 0 [pid 3659] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3659] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3659] write(3, "1000", 4) = 4 [pid 3659] close(3) = 0 [pid 3659] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3659] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3659] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3659] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3659] openat(3, "freezer.state", O_RDWR) = 4 [pid 3659] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3659] close(3) = 0 [pid 3659] close(4) = 0 [pid 3659] close(5) = -1 EBADF (Bad file descriptor) [pid 3659] close(6) = -1 EBADF (Bad file descriptor) [pid 3659] close(7) = -1 EBADF (Bad file descriptor) [pid 3659] close(8) = -1 EBADF (Bad file descriptor) [pid 3659] close(9) = -1 EBADF (Bad file descriptor) [pid 3659] close(10) = -1 EBADF (Bad file descriptor) [pid 3659] close(11) = -1 EBADF (Bad file descriptor) [pid 3659] close(12) = -1 EBADF (Bad file descriptor) [pid 3659] close(13) = -1 EBADF (Bad file descriptor) [pid 3659] close(14) = -1 EBADF (Bad file descriptor) [pid 3659] close(15) = -1 EBADF (Bad file descriptor) [pid 3659] close(16) = -1 EBADF (Bad file descriptor) [pid 3659] close(17) = -1 EBADF (Bad file descriptor) [pid 3659] close(18) = -1 EBADF (Bad file descriptor) [pid 3659] close(19) = -1 EBADF (Bad file descriptor) [pid 3659] close(20) = -1 EBADF (Bad file descriptor) [pid 3659] close(21) = -1 EBADF (Bad file descriptor) [pid 3659] close(22) = -1 EBADF (Bad file descriptor) [pid 3659] close(23) = -1 EBADF (Bad file descriptor) [pid 3659] close(24) = -1 EBADF (Bad file descriptor) [pid 3659] close(25) = -1 EBADF (Bad file descriptor) [pid 3659] close(26) = -1 EBADF (Bad file descriptor) [pid 3659] close(27) = -1 EBADF (Bad file descriptor) [pid 3659] close(28) = -1 EBADF (Bad file descriptor) [pid 3659] close(29) = -1 EBADF (Bad file descriptor) [pid 3659] exit_group(0) = ? [pid 3659] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./53/binderfs") = 0 [pid 3605] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./53/cgroup") = 0 [pid 3605] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./53/cgroup.net") = 0 [pid 3605] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./53/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./53") = 0 [pid 3605] mkdir("./54", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3660 attached [pid 3660] chdir("./54") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 56 [pid 3660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3660] setpgid(0, 0) = 0 [pid 3660] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3660] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3660] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3660] write(3, "1000", 4) = 4 [pid 3660] close(3) = 0 [pid 3660] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3660] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3660] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3660] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3660] openat(3, "freezer.state", O_RDWR) = 4 [pid 3660] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3660] close(3) = 0 [pid 3660] close(4) = 0 [pid 3660] close(5) = -1 EBADF (Bad file descriptor) [pid 3660] close(6) = -1 EBADF (Bad file descriptor) [pid 3660] close(7) = -1 EBADF (Bad file descriptor) [pid 3660] close(8) = -1 EBADF (Bad file descriptor) [pid 3660] close(9) = -1 EBADF (Bad file descriptor) [pid 3660] close(10) = -1 EBADF (Bad file descriptor) [pid 3660] close(11) = -1 EBADF (Bad file descriptor) [pid 3660] close(12) = -1 EBADF (Bad file descriptor) [pid 3660] close(13) = -1 EBADF (Bad file descriptor) [pid 3660] close(14) = -1 EBADF (Bad file descriptor) [pid 3660] close(15) = -1 EBADF (Bad file descriptor) [pid 3660] close(16) = -1 EBADF (Bad file descriptor) [pid 3660] close(17) = -1 EBADF (Bad file descriptor) [pid 3660] close(18) = -1 EBADF (Bad file descriptor) [pid 3660] close(19) = -1 EBADF (Bad file descriptor) [pid 3660] close(20) = -1 EBADF (Bad file descriptor) [pid 3660] close(21) = -1 EBADF (Bad file descriptor) [pid 3660] close(22) = -1 EBADF (Bad file descriptor) [pid 3660] close(23) = -1 EBADF (Bad file descriptor) [pid 3660] close(24) = -1 EBADF (Bad file descriptor) [pid 3660] close(25) = -1 EBADF (Bad file descriptor) [pid 3660] close(26) = -1 EBADF (Bad file descriptor) [pid 3660] close(27) = -1 EBADF (Bad file descriptor) [pid 3660] close(28) = -1 EBADF (Bad file descriptor) [pid 3660] close(29) = -1 EBADF (Bad file descriptor) [pid 3660] exit_group(0) = ? [pid 3660] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./54/binderfs") = 0 [pid 3605] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./54/cgroup") = 0 [pid 3605] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./54/cgroup.net") = 0 [pid 3605] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./54/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./54") = 0 [pid 3605] mkdir("./55", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3661 attached [pid 3661] chdir("./55") = 0 [pid 3661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 57 [pid 3661] <... prctl resumed>) = 0 [pid 3661] setpgid(0, 0) = 0 [pid 3661] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3661] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3661] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3661] write(3, "1000", 4) = 4 [pid 3661] close(3) = 0 [pid 3661] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3661] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3661] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3661] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3661] openat(3, "freezer.state", O_RDWR) = 4 [pid 3661] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3661] close(3) = 0 [pid 3661] close(4) = 0 [pid 3661] close(5) = -1 EBADF (Bad file descriptor) [pid 3661] close(6) = -1 EBADF (Bad file descriptor) [pid 3661] close(7) = -1 EBADF (Bad file descriptor) [pid 3661] close(8) = -1 EBADF (Bad file descriptor) [pid 3661] close(9) = -1 EBADF (Bad file descriptor) [pid 3661] close(10) = -1 EBADF (Bad file descriptor) [pid 3661] close(11) = -1 EBADF (Bad file descriptor) [pid 3661] close(12) = -1 EBADF (Bad file descriptor) [pid 3661] close(13) = -1 EBADF (Bad file descriptor) [pid 3661] close(14) = -1 EBADF (Bad file descriptor) [pid 3661] close(15) = -1 EBADF (Bad file descriptor) [pid 3661] close(16) = -1 EBADF (Bad file descriptor) [pid 3661] close(17) = -1 EBADF (Bad file descriptor) [pid 3661] close(18) = -1 EBADF (Bad file descriptor) [pid 3661] close(19) = -1 EBADF (Bad file descriptor) [pid 3661] close(20) = -1 EBADF (Bad file descriptor) [pid 3661] close(21) = -1 EBADF (Bad file descriptor) [pid 3661] close(22) = -1 EBADF (Bad file descriptor) [pid 3661] close(23) = -1 EBADF (Bad file descriptor) [pid 3661] close(24) = -1 EBADF (Bad file descriptor) [pid 3661] close(25) = -1 EBADF (Bad file descriptor) [pid 3661] close(26) = -1 EBADF (Bad file descriptor) [pid 3661] close(27) = -1 EBADF (Bad file descriptor) [pid 3661] close(28) = -1 EBADF (Bad file descriptor) [pid 3661] close(29) = -1 EBADF (Bad file descriptor) [pid 3661] exit_group(0) = ? [pid 3661] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./55/binderfs") = 0 [pid 3605] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./55/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./55/cgroup") = 0 [pid 3605] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./55/cgroup.net") = 0 [pid 3605] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./55/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./55") = 0 [pid 3605] mkdir("./56", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3662 attached [pid 3662] chdir("./56") = 0 [pid 3662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3662] setpgid(0, 0) = 0 [pid 3662] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 58 [pid 3662] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3662] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3662] write(3, "1000", 4) = 4 [pid 3662] close(3) = 0 [pid 3662] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3662] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3662] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3662] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3662] openat(3, "freezer.state", O_RDWR) = 4 [pid 3662] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3662] close(3) = 0 [pid 3662] close(4) = 0 [pid 3662] close(5) = -1 EBADF (Bad file descriptor) [pid 3662] close(6) = -1 EBADF (Bad file descriptor) [pid 3662] close(7) = -1 EBADF (Bad file descriptor) [pid 3662] close(8) = -1 EBADF (Bad file descriptor) [pid 3662] close(9) = -1 EBADF (Bad file descriptor) [pid 3662] close(10) = -1 EBADF (Bad file descriptor) [pid 3662] close(11) = -1 EBADF (Bad file descriptor) [pid 3662] close(12) = -1 EBADF (Bad file descriptor) [pid 3662] close(13) = -1 EBADF (Bad file descriptor) [pid 3662] close(14) = -1 EBADF (Bad file descriptor) [pid 3662] close(15) = -1 EBADF (Bad file descriptor) [pid 3662] close(16) = -1 EBADF (Bad file descriptor) [pid 3662] close(17) = -1 EBADF (Bad file descriptor) [pid 3662] close(18) = -1 EBADF (Bad file descriptor) [pid 3662] close(19) = -1 EBADF (Bad file descriptor) [pid 3662] close(20) = -1 EBADF (Bad file descriptor) [pid 3662] close(21) = -1 EBADF (Bad file descriptor) [pid 3662] close(22) = -1 EBADF (Bad file descriptor) [pid 3662] close(23) = -1 EBADF (Bad file descriptor) [pid 3662] close(24) = -1 EBADF (Bad file descriptor) [pid 3662] close(25) = -1 EBADF (Bad file descriptor) [pid 3662] close(26) = -1 EBADF (Bad file descriptor) [pid 3662] close(27) = -1 EBADF (Bad file descriptor) [pid 3662] close(28) = -1 EBADF (Bad file descriptor) [pid 3662] close(29) = -1 EBADF (Bad file descriptor) [pid 3662] exit_group(0) = ? [pid 3662] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./56/binderfs") = 0 [pid 3605] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./56/cgroup") = 0 [pid 3605] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./56/cgroup.net") = 0 [pid 3605] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./56/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./56") = 0 [pid 3605] mkdir("./57", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3663 attached [pid 3663] chdir("./57") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 59 [pid 3663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3663] setpgid(0, 0) = 0 [pid 3663] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3663] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3663] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3663] write(3, "1000", 4) = 4 [pid 3663] close(3) = 0 [pid 3663] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3663] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3663] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3663] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3663] openat(3, "freezer.state", O_RDWR) = 4 [pid 3663] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3663] close(3) = 0 [pid 3663] close(4) = 0 [pid 3663] close(5) = -1 EBADF (Bad file descriptor) [pid 3663] close(6) = -1 EBADF (Bad file descriptor) [pid 3663] close(7) = -1 EBADF (Bad file descriptor) [pid 3663] close(8) = -1 EBADF (Bad file descriptor) [pid 3663] close(9) = -1 EBADF (Bad file descriptor) [pid 3663] close(10) = -1 EBADF (Bad file descriptor) [pid 3663] close(11) = -1 EBADF (Bad file descriptor) [pid 3663] close(12) = -1 EBADF (Bad file descriptor) [pid 3663] close(13) = -1 EBADF (Bad file descriptor) [pid 3663] close(14) = -1 EBADF (Bad file descriptor) [pid 3663] close(15) = -1 EBADF (Bad file descriptor) [pid 3663] close(16) = -1 EBADF (Bad file descriptor) [pid 3663] close(17) = -1 EBADF (Bad file descriptor) [pid 3663] close(18) = -1 EBADF (Bad file descriptor) [pid 3663] close(19) = -1 EBADF (Bad file descriptor) [pid 3663] close(20) = -1 EBADF (Bad file descriptor) [pid 3663] close(21) = -1 EBADF (Bad file descriptor) [pid 3663] close(22) = -1 EBADF (Bad file descriptor) [pid 3663] close(23) = -1 EBADF (Bad file descriptor) [pid 3663] close(24) = -1 EBADF (Bad file descriptor) [pid 3663] close(25) = -1 EBADF (Bad file descriptor) [pid 3663] close(26) = -1 EBADF (Bad file descriptor) [pid 3663] close(27) = -1 EBADF (Bad file descriptor) [pid 3663] close(28) = -1 EBADF (Bad file descriptor) [pid 3663] close(29) = -1 EBADF (Bad file descriptor) [pid 3663] exit_group(0) = ? [pid 3663] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./57/binderfs") = 0 [pid 3605] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./57/cgroup") = 0 [pid 3605] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./57/cgroup.net") = 0 [pid 3605] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./57/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./57") = 0 [pid 3605] mkdir("./58", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3664 attached [pid 3664] chdir("./58") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 60 [pid 3664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3664] setpgid(0, 0) = 0 [pid 3664] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3664] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3664] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3664] write(3, "1000", 4) = 4 [pid 3664] close(3) = 0 [pid 3664] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3664] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3664] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3664] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3664] openat(3, "freezer.state", O_RDWR) = 4 [pid 3664] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3664] close(3) = 0 [pid 3664] close(4) = 0 [pid 3664] close(5) = -1 EBADF (Bad file descriptor) [pid 3664] close(6) = -1 EBADF (Bad file descriptor) [pid 3664] close(7) = -1 EBADF (Bad file descriptor) [pid 3664] close(8) = -1 EBADF (Bad file descriptor) [pid 3664] close(9) = -1 EBADF (Bad file descriptor) [pid 3664] close(10) = -1 EBADF (Bad file descriptor) [pid 3664] close(11) = -1 EBADF (Bad file descriptor) [pid 3664] close(12) = -1 EBADF (Bad file descriptor) [pid 3664] close(13) = -1 EBADF (Bad file descriptor) [pid 3664] close(14) = -1 EBADF (Bad file descriptor) [pid 3664] close(15) = -1 EBADF (Bad file descriptor) [pid 3664] close(16) = -1 EBADF (Bad file descriptor) [pid 3664] close(17) = -1 EBADF (Bad file descriptor) [pid 3664] close(18) = -1 EBADF (Bad file descriptor) [pid 3664] close(19) = -1 EBADF (Bad file descriptor) [pid 3664] close(20) = -1 EBADF (Bad file descriptor) [pid 3664] close(21) = -1 EBADF (Bad file descriptor) [pid 3664] close(22) = -1 EBADF (Bad file descriptor) [pid 3664] close(23) = -1 EBADF (Bad file descriptor) [pid 3664] close(24) = -1 EBADF (Bad file descriptor) [pid 3664] close(25) = -1 EBADF (Bad file descriptor) [pid 3664] close(26) = -1 EBADF (Bad file descriptor) [pid 3664] close(27) = -1 EBADF (Bad file descriptor) [pid 3664] close(28) = -1 EBADF (Bad file descriptor) [pid 3664] close(29) = -1 EBADF (Bad file descriptor) [pid 3664] exit_group(0) = ? [pid 3664] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./58/binderfs") = 0 [pid 3605] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./58/cgroup") = 0 [pid 3605] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./58/cgroup.net") = 0 [pid 3605] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./58/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./58/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./58") = 0 [pid 3605] mkdir("./59", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3665 attached [pid 3665] chdir("./59") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 61 [pid 3665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3665] setpgid(0, 0) = 0 [pid 3665] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3665] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3665] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3665] write(3, "1000", 4) = 4 [pid 3665] close(3) = 0 [pid 3665] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3665] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3665] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3665] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3665] openat(3, "freezer.state", O_RDWR) = 4 [pid 3665] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3665] close(3) = 0 [pid 3665] close(4) = 0 [pid 3665] close(5) = -1 EBADF (Bad file descriptor) [pid 3665] close(6) = -1 EBADF (Bad file descriptor) [pid 3665] close(7) = -1 EBADF (Bad file descriptor) [pid 3665] close(8) = -1 EBADF (Bad file descriptor) [pid 3665] close(9) = -1 EBADF (Bad file descriptor) [pid 3665] close(10) = -1 EBADF (Bad file descriptor) [pid 3665] close(11) = -1 EBADF (Bad file descriptor) [pid 3665] close(12) = -1 EBADF (Bad file descriptor) [pid 3665] close(13) = -1 EBADF (Bad file descriptor) [pid 3665] close(14) = -1 EBADF (Bad file descriptor) [pid 3665] close(15) = -1 EBADF (Bad file descriptor) [pid 3665] close(16) = -1 EBADF (Bad file descriptor) [pid 3665] close(17) = -1 EBADF (Bad file descriptor) [pid 3665] close(18) = -1 EBADF (Bad file descriptor) [pid 3665] close(19) = -1 EBADF (Bad file descriptor) [pid 3665] close(20) = -1 EBADF (Bad file descriptor) [pid 3665] close(21) = -1 EBADF (Bad file descriptor) [pid 3665] close(22) = -1 EBADF (Bad file descriptor) [pid 3665] close(23) = -1 EBADF (Bad file descriptor) [pid 3665] close(24) = -1 EBADF (Bad file descriptor) [pid 3665] close(25) = -1 EBADF (Bad file descriptor) [pid 3665] close(26) = -1 EBADF (Bad file descriptor) [pid 3665] close(27) = -1 EBADF (Bad file descriptor) [pid 3665] close(28) = -1 EBADF (Bad file descriptor) [pid 3665] close(29) = -1 EBADF (Bad file descriptor) [pid 3665] exit_group(0) = ? [pid 3665] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./59/binderfs") = 0 [pid 3605] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./59/cgroup") = 0 [pid 3605] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./59/cgroup.net") = 0 [pid 3605] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./59/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./59") = 0 [pid 3605] mkdir("./60", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 62 ./strace-static-x86_64: Process 3666 attached [pid 3666] chdir("./60") = 0 [pid 3666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3666] setpgid(0, 0) = 0 [pid 3666] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3666] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3666] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3666] write(3, "1000", 4) = 4 [pid 3666] close(3) = 0 [pid 3666] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3666] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3666] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3666] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3666] openat(3, "freezer.state", O_RDWR) = 4 [pid 3666] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3666] close(3) = 0 [pid 3666] close(4) = 0 [pid 3666] close(5) = -1 EBADF (Bad file descriptor) [pid 3666] close(6) = -1 EBADF (Bad file descriptor) [pid 3666] close(7) = -1 EBADF (Bad file descriptor) [pid 3666] close(8) = -1 EBADF (Bad file descriptor) [pid 3666] close(9) = -1 EBADF (Bad file descriptor) [pid 3666] close(10) = -1 EBADF (Bad file descriptor) [pid 3666] close(11) = -1 EBADF (Bad file descriptor) [pid 3666] close(12) = -1 EBADF (Bad file descriptor) [pid 3666] close(13) = -1 EBADF (Bad file descriptor) [pid 3666] close(14) = -1 EBADF (Bad file descriptor) [pid 3666] close(15) = -1 EBADF (Bad file descriptor) [pid 3666] close(16) = -1 EBADF (Bad file descriptor) [pid 3666] close(17) = -1 EBADF (Bad file descriptor) [pid 3666] close(18) = -1 EBADF (Bad file descriptor) [pid 3666] close(19) = -1 EBADF (Bad file descriptor) [pid 3666] close(20) = -1 EBADF (Bad file descriptor) [pid 3666] close(21) = -1 EBADF (Bad file descriptor) [pid 3666] close(22) = -1 EBADF (Bad file descriptor) [pid 3666] close(23) = -1 EBADF (Bad file descriptor) [pid 3666] close(24) = -1 EBADF (Bad file descriptor) [pid 3666] close(25) = -1 EBADF (Bad file descriptor) [pid 3666] close(26) = -1 EBADF (Bad file descriptor) [pid 3666] close(27) = -1 EBADF (Bad file descriptor) [pid 3666] close(28) = -1 EBADF (Bad file descriptor) [pid 3666] close(29) = -1 EBADF (Bad file descriptor) [pid 3666] exit_group(0) = ? [pid 3666] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./60/binderfs") = 0 [pid 3605] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./60/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./60/cgroup") = 0 [pid 3605] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./60/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./60/cgroup.net") = 0 [pid 3605] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./60/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./60/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./60") = 0 [pid 3605] mkdir("./61", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3667 attached [pid 3667] chdir("./61") = 0 [pid 3667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3667] setpgid(0, 0) = 0 [pid 3667] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 63 [pid 3667] <... symlink resumed>) = 0 [pid 3667] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3667] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3667] write(3, "1000", 4) = 4 [pid 3667] close(3) = 0 [pid 3667] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3667] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3667] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3667] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3667] openat(3, "freezer.state", O_RDWR) = 4 [pid 3667] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3667] close(3) = 0 [pid 3667] close(4) = 0 [pid 3667] close(5) = -1 EBADF (Bad file descriptor) [pid 3667] close(6) = -1 EBADF (Bad file descriptor) [pid 3667] close(7) = -1 EBADF (Bad file descriptor) [pid 3667] close(8) = -1 EBADF (Bad file descriptor) [pid 3667] close(9) = -1 EBADF (Bad file descriptor) [pid 3667] close(10) = -1 EBADF (Bad file descriptor) [pid 3667] close(11) = -1 EBADF (Bad file descriptor) [pid 3667] close(12) = -1 EBADF (Bad file descriptor) [pid 3667] close(13) = -1 EBADF (Bad file descriptor) [pid 3667] close(14) = -1 EBADF (Bad file descriptor) [pid 3667] close(15) = -1 EBADF (Bad file descriptor) [pid 3667] close(16) = -1 EBADF (Bad file descriptor) [pid 3667] close(17) = -1 EBADF (Bad file descriptor) [pid 3667] close(18) = -1 EBADF (Bad file descriptor) [pid 3667] close(19) = -1 EBADF (Bad file descriptor) [pid 3667] close(20) = -1 EBADF (Bad file descriptor) [pid 3667] close(21) = -1 EBADF (Bad file descriptor) [pid 3667] close(22) = -1 EBADF (Bad file descriptor) [pid 3667] close(23) = -1 EBADF (Bad file descriptor) [pid 3667] close(24) = -1 EBADF (Bad file descriptor) [pid 3667] close(25) = -1 EBADF (Bad file descriptor) [pid 3667] close(26) = -1 EBADF (Bad file descriptor) [pid 3667] close(27) = -1 EBADF (Bad file descriptor) [pid 3667] close(28) = -1 EBADF (Bad file descriptor) [pid 3667] close(29) = -1 EBADF (Bad file descriptor) [pid 3667] exit_group(0) = ? [pid 3667] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./61/binderfs") = 0 [pid 3605] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./61/cgroup") = 0 [pid 3605] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./61/cgroup.net") = 0 [pid 3605] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./61/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./61") = 0 [pid 3605] mkdir("./62", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3668 attached , child_tidptr=0x555556c0f5d0) = 64 [pid 3668] chdir("./62") = 0 [pid 3668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3668] setpgid(0, 0) = 0 [pid 3668] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3668] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3668] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3668] write(3, "1000", 4) = 4 [pid 3668] close(3) = 0 [pid 3668] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3668] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3668] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3668] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3668] openat(3, "freezer.state", O_RDWR) = 4 [pid 3668] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3668] close(3) = 0 [pid 3668] close(4) = 0 [pid 3668] close(5) = -1 EBADF (Bad file descriptor) [pid 3668] close(6) = -1 EBADF (Bad file descriptor) [pid 3668] close(7) = -1 EBADF (Bad file descriptor) [pid 3668] close(8) = -1 EBADF (Bad file descriptor) [pid 3668] close(9) = -1 EBADF (Bad file descriptor) [pid 3668] close(10) = -1 EBADF (Bad file descriptor) [pid 3668] close(11) = -1 EBADF (Bad file descriptor) [pid 3668] close(12) = -1 EBADF (Bad file descriptor) [pid 3668] close(13) = -1 EBADF (Bad file descriptor) [pid 3668] close(14) = -1 EBADF (Bad file descriptor) [pid 3668] close(15) = -1 EBADF (Bad file descriptor) [pid 3668] close(16) = -1 EBADF (Bad file descriptor) [pid 3668] close(17) = -1 EBADF (Bad file descriptor) [pid 3668] close(18) = -1 EBADF (Bad file descriptor) [pid 3668] close(19) = -1 EBADF (Bad file descriptor) [pid 3668] close(20) = -1 EBADF (Bad file descriptor) [pid 3668] close(21) = -1 EBADF (Bad file descriptor) [pid 3668] close(22) = -1 EBADF (Bad file descriptor) [pid 3668] close(23) = -1 EBADF (Bad file descriptor) [pid 3668] close(24) = -1 EBADF (Bad file descriptor) [pid 3668] close(25) = -1 EBADF (Bad file descriptor) [pid 3668] close(26) = -1 EBADF (Bad file descriptor) [pid 3668] close(27) = -1 EBADF (Bad file descriptor) [pid 3668] close(28) = -1 EBADF (Bad file descriptor) [pid 3668] close(29) = -1 EBADF (Bad file descriptor) [pid 3668] exit_group(0) = ? [pid 3668] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./62/binderfs") = 0 [pid 3605] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./62/cgroup") = 0 [pid 3605] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./62/cgroup.net") = 0 [pid 3605] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./62/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./62") = 0 [pid 3605] mkdir("./63", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3669 attached , child_tidptr=0x555556c0f5d0) = 65 [pid 3669] chdir("./63") = 0 [pid 3669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3669] setpgid(0, 0) = 0 [pid 3669] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3669] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3669] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3669] write(3, "1000", 4) = 4 [pid 3669] close(3) = 0 [pid 3669] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3669] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3669] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3669] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3669] openat(3, "freezer.state", O_RDWR) = 4 [pid 3669] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3669] close(3) = 0 [pid 3669] close(4) = 0 [pid 3669] close(5) = -1 EBADF (Bad file descriptor) [pid 3669] close(6) = -1 EBADF (Bad file descriptor) [pid 3669] close(7) = -1 EBADF (Bad file descriptor) [pid 3669] close(8) = -1 EBADF (Bad file descriptor) [pid 3669] close(9) = -1 EBADF (Bad file descriptor) [pid 3669] close(10) = -1 EBADF (Bad file descriptor) [pid 3669] close(11) = -1 EBADF (Bad file descriptor) [pid 3669] close(12) = -1 EBADF (Bad file descriptor) [pid 3669] close(13) = -1 EBADF (Bad file descriptor) [pid 3669] close(14) = -1 EBADF (Bad file descriptor) [pid 3669] close(15) = -1 EBADF (Bad file descriptor) [pid 3669] close(16) = -1 EBADF (Bad file descriptor) [pid 3669] close(17) = -1 EBADF (Bad file descriptor) [pid 3669] close(18) = -1 EBADF (Bad file descriptor) [pid 3669] close(19) = -1 EBADF (Bad file descriptor) [pid 3669] close(20) = -1 EBADF (Bad file descriptor) [pid 3669] close(21) = -1 EBADF (Bad file descriptor) [pid 3669] close(22) = -1 EBADF (Bad file descriptor) [pid 3669] close(23) = -1 EBADF (Bad file descriptor) [pid 3669] close(24) = -1 EBADF (Bad file descriptor) [pid 3669] close(25) = -1 EBADF (Bad file descriptor) [pid 3669] close(26) = -1 EBADF (Bad file descriptor) [pid 3669] close(27) = -1 EBADF (Bad file descriptor) [pid 3669] close(28) = -1 EBADF (Bad file descriptor) [pid 3669] close(29) = -1 EBADF (Bad file descriptor) [pid 3669] exit_group(0) = ? [pid 3669] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./63/binderfs") = 0 [pid 3605] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./63/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./63/cgroup") = 0 [pid 3605] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./63/cgroup.net") = 0 [pid 3605] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./63/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./63") = 0 [pid 3605] mkdir("./64", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3670 attached , child_tidptr=0x555556c0f5d0) = 66 [pid 3670] chdir("./64") = 0 [pid 3670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3670] setpgid(0, 0) = 0 [pid 3670] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3670] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3670] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3670] write(3, "1000", 4) = 4 [pid 3670] close(3) = 0 [pid 3670] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3670] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3670] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3670] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3670] openat(3, "freezer.state", O_RDWR) = 4 [pid 3670] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3670] close(3) = 0 [pid 3670] close(4) = 0 [pid 3670] close(5) = -1 EBADF (Bad file descriptor) [pid 3670] close(6) = -1 EBADF (Bad file descriptor) [pid 3670] close(7) = -1 EBADF (Bad file descriptor) [pid 3670] close(8) = -1 EBADF (Bad file descriptor) [pid 3670] close(9) = -1 EBADF (Bad file descriptor) [pid 3670] close(10) = -1 EBADF (Bad file descriptor) [pid 3670] close(11) = -1 EBADF (Bad file descriptor) [pid 3670] close(12) = -1 EBADF (Bad file descriptor) [pid 3670] close(13) = -1 EBADF (Bad file descriptor) [pid 3670] close(14) = -1 EBADF (Bad file descriptor) [pid 3670] close(15) = -1 EBADF (Bad file descriptor) [pid 3670] close(16) = -1 EBADF (Bad file descriptor) [pid 3670] close(17) = -1 EBADF (Bad file descriptor) [pid 3670] close(18) = -1 EBADF (Bad file descriptor) [pid 3670] close(19) = -1 EBADF (Bad file descriptor) [pid 3670] close(20) = -1 EBADF (Bad file descriptor) [pid 3670] close(21) = -1 EBADF (Bad file descriptor) [pid 3670] close(22) = -1 EBADF (Bad file descriptor) [pid 3670] close(23) = -1 EBADF (Bad file descriptor) [pid 3670] close(24) = -1 EBADF (Bad file descriptor) [pid 3670] close(25) = -1 EBADF (Bad file descriptor) [pid 3670] close(26) = -1 EBADF (Bad file descriptor) [pid 3670] close(27) = -1 EBADF (Bad file descriptor) [pid 3670] close(28) = -1 EBADF (Bad file descriptor) [pid 3670] close(29) = -1 EBADF (Bad file descriptor) [pid 3670] exit_group(0) = ? [pid 3670] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./64/binderfs") = 0 [pid 3605] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./64/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./64/cgroup") = 0 [pid 3605] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./64/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./64/cgroup.net") = 0 [pid 3605] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./64/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./64/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./64") = 0 [pid 3605] mkdir("./65", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3671 attached , child_tidptr=0x555556c0f5d0) = 67 [pid 3671] chdir("./65") = 0 [pid 3671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3671] setpgid(0, 0) = 0 [pid 3671] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3671] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3671] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3671] write(3, "1000", 4) = 4 [pid 3671] close(3) = 0 [pid 3671] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3671] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3671] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3671] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3671] openat(3, "freezer.state", O_RDWR) = 4 [pid 3671] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3671] close(3) = 0 [pid 3671] close(4) = 0 [pid 3671] close(5) = -1 EBADF (Bad file descriptor) [pid 3671] close(6) = -1 EBADF (Bad file descriptor) [pid 3671] close(7) = -1 EBADF (Bad file descriptor) [pid 3671] close(8) = -1 EBADF (Bad file descriptor) [pid 3671] close(9) = -1 EBADF (Bad file descriptor) [pid 3671] close(10) = -1 EBADF (Bad file descriptor) [pid 3671] close(11) = -1 EBADF (Bad file descriptor) [pid 3671] close(12) = -1 EBADF (Bad file descriptor) [pid 3671] close(13) = -1 EBADF (Bad file descriptor) [pid 3671] close(14) = -1 EBADF (Bad file descriptor) [pid 3671] close(15) = -1 EBADF (Bad file descriptor) [pid 3671] close(16) = -1 EBADF (Bad file descriptor) [pid 3671] close(17) = -1 EBADF (Bad file descriptor) [pid 3671] close(18) = -1 EBADF (Bad file descriptor) [pid 3671] close(19) = -1 EBADF (Bad file descriptor) [pid 3671] close(20) = -1 EBADF (Bad file descriptor) [pid 3671] close(21) = -1 EBADF (Bad file descriptor) [pid 3671] close(22) = -1 EBADF (Bad file descriptor) [pid 3671] close(23) = -1 EBADF (Bad file descriptor) [pid 3671] close(24) = -1 EBADF (Bad file descriptor) [pid 3671] close(25) = -1 EBADF (Bad file descriptor) [pid 3671] close(26) = -1 EBADF (Bad file descriptor) [pid 3671] close(27) = -1 EBADF (Bad file descriptor) [pid 3671] close(28) = -1 EBADF (Bad file descriptor) [pid 3671] close(29) = -1 EBADF (Bad file descriptor) [pid 3671] exit_group(0) = ? [pid 3671] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./65/binderfs") = 0 [pid 3605] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./65/cgroup") = 0 [pid 3605] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./65/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./65/cgroup.net") = 0 [pid 3605] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./65/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./65/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./65") = 0 [pid 3605] mkdir("./66", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3672 attached , child_tidptr=0x555556c0f5d0) = 68 [pid 3672] chdir("./66") = 0 [pid 3672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3672] setpgid(0, 0) = 0 [pid 3672] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3672] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3672] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3672] write(3, "1000", 4) = 4 [pid 3672] close(3) = 0 [pid 3672] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3672] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3672] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3672] openat(3, "freezer.state", O_RDWR) = 4 [pid 3672] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3672] close(3) = 0 [pid 3672] close(4) = 0 [pid 3672] close(5) = -1 EBADF (Bad file descriptor) [pid 3672] close(6) = -1 EBADF (Bad file descriptor) [pid 3672] close(7) = -1 EBADF (Bad file descriptor) [pid 3672] close(8) = -1 EBADF (Bad file descriptor) [pid 3672] close(9) = -1 EBADF (Bad file descriptor) [pid 3672] close(10) = -1 EBADF (Bad file descriptor) [pid 3672] close(11) = -1 EBADF (Bad file descriptor) [pid 3672] close(12) = -1 EBADF (Bad file descriptor) [pid 3672] close(13) = -1 EBADF (Bad file descriptor) [pid 3672] close(14) = -1 EBADF (Bad file descriptor) [pid 3672] close(15) = -1 EBADF (Bad file descriptor) [pid 3672] close(16) = -1 EBADF (Bad file descriptor) [pid 3672] close(17) = -1 EBADF (Bad file descriptor) [pid 3672] close(18) = -1 EBADF (Bad file descriptor) [pid 3672] close(19) = -1 EBADF (Bad file descriptor) [pid 3672] close(20) = -1 EBADF (Bad file descriptor) [pid 3672] close(21) = -1 EBADF (Bad file descriptor) [pid 3672] close(22) = -1 EBADF (Bad file descriptor) [pid 3672] close(23) = -1 EBADF (Bad file descriptor) [pid 3672] close(24) = -1 EBADF (Bad file descriptor) [pid 3672] close(25) = -1 EBADF (Bad file descriptor) [pid 3672] close(26) = -1 EBADF (Bad file descriptor) [pid 3672] close(27) = -1 EBADF (Bad file descriptor) [pid 3672] close(28) = -1 EBADF (Bad file descriptor) [pid 3672] close(29) = -1 EBADF (Bad file descriptor) [pid 3672] exit_group(0) = ? [pid 3672] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./66/binderfs") = 0 [pid 3605] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./66/cgroup") = 0 [pid 3605] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./66/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./66/cgroup.net") = 0 [pid 3605] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./66/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./66/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./66") = 0 [pid 3605] mkdir("./67", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3673 attached , child_tidptr=0x555556c0f5d0) = 69 [pid 3673] chdir("./67") = 0 [pid 3673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3673] setpgid(0, 0) = 0 [pid 3673] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3673] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3673] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3673] write(3, "1000", 4) = 4 [pid 3673] close(3) = 0 [pid 3673] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3673] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3673] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3673] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3673] openat(3, "freezer.state", O_RDWR) = 4 [pid 3673] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3673] close(3) = 0 [pid 3673] close(4) = 0 [pid 3673] close(5) = -1 EBADF (Bad file descriptor) [pid 3673] close(6) = -1 EBADF (Bad file descriptor) [pid 3673] close(7) = -1 EBADF (Bad file descriptor) [pid 3673] close(8) = -1 EBADF (Bad file descriptor) [pid 3673] close(9) = -1 EBADF (Bad file descriptor) [pid 3673] close(10) = -1 EBADF (Bad file descriptor) [pid 3673] close(11) = -1 EBADF (Bad file descriptor) [pid 3673] close(12) = -1 EBADF (Bad file descriptor) [pid 3673] close(13) = -1 EBADF (Bad file descriptor) [pid 3673] close(14) = -1 EBADF (Bad file descriptor) [pid 3673] close(15) = -1 EBADF (Bad file descriptor) [pid 3673] close(16) = -1 EBADF (Bad file descriptor) [pid 3673] close(17) = -1 EBADF (Bad file descriptor) [pid 3673] close(18) = -1 EBADF (Bad file descriptor) [pid 3673] close(19) = -1 EBADF (Bad file descriptor) [pid 3673] close(20) = -1 EBADF (Bad file descriptor) [pid 3673] close(21) = -1 EBADF (Bad file descriptor) [pid 3673] close(22) = -1 EBADF (Bad file descriptor) [pid 3673] close(23) = -1 EBADF (Bad file descriptor) [pid 3673] close(24) = -1 EBADF (Bad file descriptor) [pid 3673] close(25) = -1 EBADF (Bad file descriptor) [pid 3673] close(26) = -1 EBADF (Bad file descriptor) [pid 3673] close(27) = -1 EBADF (Bad file descriptor) [pid 3673] close(28) = -1 EBADF (Bad file descriptor) [pid 3673] close(29) = -1 EBADF (Bad file descriptor) [pid 3673] exit_group(0) = ? [pid 3673] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./67/binderfs") = 0 [pid 3605] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./67/cgroup") = 0 [pid 3605] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./67/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./67/cgroup.net") = 0 [pid 3605] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./67/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./67") = 0 [pid 3605] mkdir("./68", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3674 attached , child_tidptr=0x555556c0f5d0) = 70 [pid 3674] chdir("./68") = 0 [pid 3674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3674] setpgid(0, 0) = 0 [pid 3674] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3674] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3674] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3674] write(3, "1000", 4) = 4 [pid 3674] close(3) = 0 [pid 3674] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3674] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3674] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3674] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3674] openat(3, "freezer.state", O_RDWR) = 4 [pid 3674] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3674] close(3) = 0 [pid 3674] close(4) = 0 [pid 3674] close(5) = -1 EBADF (Bad file descriptor) [pid 3674] close(6) = -1 EBADF (Bad file descriptor) [pid 3674] close(7) = -1 EBADF (Bad file descriptor) [pid 3674] close(8) = -1 EBADF (Bad file descriptor) [pid 3674] close(9) = -1 EBADF (Bad file descriptor) [pid 3674] close(10) = -1 EBADF (Bad file descriptor) [pid 3674] close(11) = -1 EBADF (Bad file descriptor) [pid 3674] close(12) = -1 EBADF (Bad file descriptor) [pid 3674] close(13) = -1 EBADF (Bad file descriptor) [pid 3674] close(14) = -1 EBADF (Bad file descriptor) [pid 3674] close(15) = -1 EBADF (Bad file descriptor) [pid 3674] close(16) = -1 EBADF (Bad file descriptor) [pid 3674] close(17) = -1 EBADF (Bad file descriptor) [pid 3674] close(18) = -1 EBADF (Bad file descriptor) [pid 3674] close(19) = -1 EBADF (Bad file descriptor) [pid 3674] close(20) = -1 EBADF (Bad file descriptor) [pid 3674] close(21) = -1 EBADF (Bad file descriptor) [pid 3674] close(22) = -1 EBADF (Bad file descriptor) [pid 3674] close(23) = -1 EBADF (Bad file descriptor) [pid 3674] close(24) = -1 EBADF (Bad file descriptor) [pid 3674] close(25) = -1 EBADF (Bad file descriptor) [pid 3674] close(26) = -1 EBADF (Bad file descriptor) [pid 3674] close(27) = -1 EBADF (Bad file descriptor) [pid 3674] close(28) = -1 EBADF (Bad file descriptor) [pid 3674] close(29) = -1 EBADF (Bad file descriptor) [pid 3674] exit_group(0) = ? [pid 3674] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./68/binderfs") = 0 [pid 3605] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./68/cgroup") = 0 [pid 3605] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./68/cgroup.net") = 0 [pid 3605] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./68/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./68") = 0 [pid 3605] mkdir("./69", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3675 attached , child_tidptr=0x555556c0f5d0) = 71 [pid 3675] chdir("./69") = 0 [pid 3675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3675] setpgid(0, 0) = 0 [pid 3675] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3675] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3675] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3675] write(3, "1000", 4) = 4 [pid 3675] close(3) = 0 [pid 3675] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3675] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3675] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3675] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3675] openat(3, "freezer.state", O_RDWR) = 4 [pid 3675] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3675] close(3) = 0 [pid 3675] close(4) = 0 [pid 3675] close(5) = -1 EBADF (Bad file descriptor) [pid 3675] close(6) = -1 EBADF (Bad file descriptor) [pid 3675] close(7) = -1 EBADF (Bad file descriptor) [pid 3675] close(8) = -1 EBADF (Bad file descriptor) [pid 3675] close(9) = -1 EBADF (Bad file descriptor) [pid 3675] close(10) = -1 EBADF (Bad file descriptor) [pid 3675] close(11) = -1 EBADF (Bad file descriptor) [pid 3675] close(12) = -1 EBADF (Bad file descriptor) [pid 3675] close(13) = -1 EBADF (Bad file descriptor) [pid 3675] close(14) = -1 EBADF (Bad file descriptor) [pid 3675] close(15) = -1 EBADF (Bad file descriptor) [pid 3675] close(16) = -1 EBADF (Bad file descriptor) [pid 3675] close(17) = -1 EBADF (Bad file descriptor) [pid 3675] close(18) = -1 EBADF (Bad file descriptor) [pid 3675] close(19) = -1 EBADF (Bad file descriptor) [pid 3675] close(20) = -1 EBADF (Bad file descriptor) [pid 3675] close(21) = -1 EBADF (Bad file descriptor) [pid 3675] close(22) = -1 EBADF (Bad file descriptor) [pid 3675] close(23) = -1 EBADF (Bad file descriptor) [pid 3675] close(24) = -1 EBADF (Bad file descriptor) [pid 3675] close(25) = -1 EBADF (Bad file descriptor) [pid 3675] close(26) = -1 EBADF (Bad file descriptor) [pid 3675] close(27) = -1 EBADF (Bad file descriptor) [pid 3675] close(28) = -1 EBADF (Bad file descriptor) [pid 3675] close(29) = -1 EBADF (Bad file descriptor) [pid 3675] exit_group(0) = ? [pid 3675] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./69/binderfs") = 0 [pid 3605] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./69/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./69/cgroup") = 0 [pid 3605] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./69/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./69/cgroup.net") = 0 [pid 3605] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./69/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./69/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./69") = 0 [pid 3605] mkdir("./70", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3676 attached [pid 3676] chdir("./70") = 0 [pid 3676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3676] setpgid(0, 0) = 0 [pid 3676] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 72 [pid 3676] <... symlink resumed>) = 0 [pid 3676] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3676] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3676] write(3, "1000", 4) = 4 [pid 3676] close(3) = 0 [pid 3676] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3676] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3676] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3676] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3676] openat(3, "freezer.state", O_RDWR) = 4 [pid 3676] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3676] close(3) = 0 [pid 3676] close(4) = 0 [pid 3676] close(5) = -1 EBADF (Bad file descriptor) [pid 3676] close(6) = -1 EBADF (Bad file descriptor) [pid 3676] close(7) = -1 EBADF (Bad file descriptor) [pid 3676] close(8) = -1 EBADF (Bad file descriptor) [pid 3676] close(9) = -1 EBADF (Bad file descriptor) [pid 3676] close(10) = -1 EBADF (Bad file descriptor) [pid 3676] close(11) = -1 EBADF (Bad file descriptor) [pid 3676] close(12) = -1 EBADF (Bad file descriptor) [pid 3676] close(13) = -1 EBADF (Bad file descriptor) [pid 3676] close(14) = -1 EBADF (Bad file descriptor) [pid 3676] close(15) = -1 EBADF (Bad file descriptor) [pid 3676] close(16) = -1 EBADF (Bad file descriptor) [pid 3676] close(17) = -1 EBADF (Bad file descriptor) [pid 3676] close(18) = -1 EBADF (Bad file descriptor) [pid 3676] close(19) = -1 EBADF (Bad file descriptor) [pid 3676] close(20) = -1 EBADF (Bad file descriptor) [pid 3676] close(21) = -1 EBADF (Bad file descriptor) [pid 3676] close(22) = -1 EBADF (Bad file descriptor) [pid 3676] close(23) = -1 EBADF (Bad file descriptor) [pid 3676] close(24) = -1 EBADF (Bad file descriptor) [pid 3676] close(25) = -1 EBADF (Bad file descriptor) [pid 3676] close(26) = -1 EBADF (Bad file descriptor) [pid 3676] close(27) = -1 EBADF (Bad file descriptor) [pid 3676] close(28) = -1 EBADF (Bad file descriptor) [pid 3676] close(29) = -1 EBADF (Bad file descriptor) [pid 3676] exit_group(0) = ? [pid 3676] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./70/binderfs") = 0 [pid 3605] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./70/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./70/cgroup") = 0 [pid 3605] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./70/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./70/cgroup.net") = 0 [pid 3605] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./70/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./70/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./70") = 0 [pid 3605] mkdir("./71", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3677 attached , child_tidptr=0x555556c0f5d0) = 73 [pid 3677] chdir("./71") = 0 [pid 3677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3677] setpgid(0, 0) = 0 [pid 3677] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3677] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3677] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3677] write(3, "1000", 4) = 4 [pid 3677] close(3) = 0 [pid 3677] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3677] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3677] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3677] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3677] openat(3, "freezer.state", O_RDWR) = 4 [pid 3677] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3677] close(3) = 0 [pid 3677] close(4) = 0 [pid 3677] close(5) = -1 EBADF (Bad file descriptor) [pid 3677] close(6) = -1 EBADF (Bad file descriptor) [pid 3677] close(7) = -1 EBADF (Bad file descriptor) [pid 3677] close(8) = -1 EBADF (Bad file descriptor) [pid 3677] close(9) = -1 EBADF (Bad file descriptor) [pid 3677] close(10) = -1 EBADF (Bad file descriptor) [pid 3677] close(11) = -1 EBADF (Bad file descriptor) [pid 3677] close(12) = -1 EBADF (Bad file descriptor) [pid 3677] close(13) = -1 EBADF (Bad file descriptor) [pid 3677] close(14) = -1 EBADF (Bad file descriptor) [pid 3677] close(15) = -1 EBADF (Bad file descriptor) [pid 3677] close(16) = -1 EBADF (Bad file descriptor) [pid 3677] close(17) = -1 EBADF (Bad file descriptor) [pid 3677] close(18) = -1 EBADF (Bad file descriptor) [pid 3677] close(19) = -1 EBADF (Bad file descriptor) [pid 3677] close(20) = -1 EBADF (Bad file descriptor) [pid 3677] close(21) = -1 EBADF (Bad file descriptor) [pid 3677] close(22) = -1 EBADF (Bad file descriptor) [pid 3677] close(23) = -1 EBADF (Bad file descriptor) [pid 3677] close(24) = -1 EBADF (Bad file descriptor) [pid 3677] close(25) = -1 EBADF (Bad file descriptor) [pid 3677] close(26) = -1 EBADF (Bad file descriptor) [pid 3677] close(27) = -1 EBADF (Bad file descriptor) [pid 3677] close(28) = -1 EBADF (Bad file descriptor) [pid 3677] close(29) = -1 EBADF (Bad file descriptor) [pid 3677] exit_group(0) = ? [pid 3677] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./71/binderfs") = 0 [pid 3605] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./71/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./71/cgroup") = 0 [pid 3605] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./71/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./71/cgroup.net") = 0 [pid 3605] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./71/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./71") = 0 [pid 3605] mkdir("./72", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3678 attached [pid 3678] chdir("./72") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 74 [pid 3678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3678] setpgid(0, 0) = 0 [pid 3678] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3678] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3678] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3678] write(3, "1000", 4) = 4 [pid 3678] close(3) = 0 [pid 3678] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3678] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3678] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3678] openat(3, "freezer.state", O_RDWR) = 4 [pid 3678] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3678] close(3) = 0 [pid 3678] close(4) = 0 [pid 3678] close(5) = -1 EBADF (Bad file descriptor) [pid 3678] close(6) = -1 EBADF (Bad file descriptor) [pid 3678] close(7) = -1 EBADF (Bad file descriptor) [pid 3678] close(8) = -1 EBADF (Bad file descriptor) [pid 3678] close(9) = -1 EBADF (Bad file descriptor) [pid 3678] close(10) = -1 EBADF (Bad file descriptor) [pid 3678] close(11) = -1 EBADF (Bad file descriptor) [pid 3678] close(12) = -1 EBADF (Bad file descriptor) [pid 3678] close(13) = -1 EBADF (Bad file descriptor) [pid 3678] close(14) = -1 EBADF (Bad file descriptor) [pid 3678] close(15) = -1 EBADF (Bad file descriptor) [pid 3678] close(16) = -1 EBADF (Bad file descriptor) [pid 3678] close(17) = -1 EBADF (Bad file descriptor) [pid 3678] close(18) = -1 EBADF (Bad file descriptor) [pid 3678] close(19) = -1 EBADF (Bad file descriptor) [pid 3678] close(20) = -1 EBADF (Bad file descriptor) [pid 3678] close(21) = -1 EBADF (Bad file descriptor) [pid 3678] close(22) = -1 EBADF (Bad file descriptor) [pid 3678] close(23) = -1 EBADF (Bad file descriptor) [pid 3678] close(24) = -1 EBADF (Bad file descriptor) [pid 3678] close(25) = -1 EBADF (Bad file descriptor) [pid 3678] close(26) = -1 EBADF (Bad file descriptor) [pid 3678] close(27) = -1 EBADF (Bad file descriptor) [pid 3678] close(28) = -1 EBADF (Bad file descriptor) [pid 3678] close(29) = -1 EBADF (Bad file descriptor) [pid 3678] exit_group(0) = ? [pid 3678] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./72/binderfs") = 0 [pid 3605] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./72/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./72/cgroup") = 0 [pid 3605] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./72/cgroup.net") = 0 [pid 3605] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./72/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./72") = 0 [pid 3605] mkdir("./73", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3679 attached [pid 3679] chdir("./73") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 75 [pid 3679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3679] setpgid(0, 0) = 0 [pid 3679] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3679] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3679] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3679] write(3, "1000", 4) = 4 [pid 3679] close(3) = 0 [pid 3679] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3679] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3679] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3679] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3679] openat(3, "freezer.state", O_RDWR) = 4 [pid 3679] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3679] close(3) = 0 [pid 3679] close(4) = 0 [pid 3679] close(5) = -1 EBADF (Bad file descriptor) [pid 3679] close(6) = -1 EBADF (Bad file descriptor) [pid 3679] close(7) = -1 EBADF (Bad file descriptor) [pid 3679] close(8) = -1 EBADF (Bad file descriptor) [pid 3679] close(9) = -1 EBADF (Bad file descriptor) [pid 3679] close(10) = -1 EBADF (Bad file descriptor) [pid 3679] close(11) = -1 EBADF (Bad file descriptor) [pid 3679] close(12) = -1 EBADF (Bad file descriptor) [pid 3679] close(13) = -1 EBADF (Bad file descriptor) [pid 3679] close(14) = -1 EBADF (Bad file descriptor) [pid 3679] close(15) = -1 EBADF (Bad file descriptor) [pid 3679] close(16) = -1 EBADF (Bad file descriptor) [pid 3679] close(17) = -1 EBADF (Bad file descriptor) [pid 3679] close(18) = -1 EBADF (Bad file descriptor) [pid 3679] close(19) = -1 EBADF (Bad file descriptor) [pid 3679] close(20) = -1 EBADF (Bad file descriptor) [pid 3679] close(21) = -1 EBADF (Bad file descriptor) [pid 3679] close(22) = -1 EBADF (Bad file descriptor) [pid 3679] close(23) = -1 EBADF (Bad file descriptor) [pid 3679] close(24) = -1 EBADF (Bad file descriptor) [pid 3679] close(25) = -1 EBADF (Bad file descriptor) [pid 3679] close(26) = -1 EBADF (Bad file descriptor) [pid 3679] close(27) = -1 EBADF (Bad file descriptor) [pid 3679] close(28) = -1 EBADF (Bad file descriptor) [pid 3679] close(29) = -1 EBADF (Bad file descriptor) [pid 3679] exit_group(0) = ? [pid 3679] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./73/binderfs") = 0 [pid 3605] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./73/cgroup") = 0 [pid 3605] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./73/cgroup.net") = 0 [pid 3605] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./73/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./73") = 0 [pid 3605] mkdir("./74", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3680 attached [pid 3680] chdir("./74") = 0 [pid 3680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3680] setpgid(0, 0) = 0 [pid 3680] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 76 [pid 3680] <... symlink resumed>) = 0 [pid 3680] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3680] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3680] write(3, "1000", 4) = 4 [pid 3680] close(3) = 0 [pid 3680] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3680] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3680] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3680] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3680] openat(3, "freezer.state", O_RDWR) = 4 [pid 3680] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3680] close(3) = 0 [pid 3680] close(4) = 0 [pid 3680] close(5) = -1 EBADF (Bad file descriptor) [pid 3680] close(6) = -1 EBADF (Bad file descriptor) [pid 3680] close(7) = -1 EBADF (Bad file descriptor) [pid 3680] close(8) = -1 EBADF (Bad file descriptor) [pid 3680] close(9) = -1 EBADF (Bad file descriptor) [pid 3680] close(10) = -1 EBADF (Bad file descriptor) [pid 3680] close(11) = -1 EBADF (Bad file descriptor) [pid 3680] close(12) = -1 EBADF (Bad file descriptor) [pid 3680] close(13) = -1 EBADF (Bad file descriptor) [pid 3680] close(14) = -1 EBADF (Bad file descriptor) [pid 3680] close(15) = -1 EBADF (Bad file descriptor) [pid 3680] close(16) = -1 EBADF (Bad file descriptor) [pid 3680] close(17) = -1 EBADF (Bad file descriptor) [pid 3680] close(18) = -1 EBADF (Bad file descriptor) [pid 3680] close(19) = -1 EBADF (Bad file descriptor) [pid 3680] close(20) = -1 EBADF (Bad file descriptor) [pid 3680] close(21) = -1 EBADF (Bad file descriptor) [pid 3680] close(22) = -1 EBADF (Bad file descriptor) [pid 3680] close(23) = -1 EBADF (Bad file descriptor) [pid 3680] close(24) = -1 EBADF (Bad file descriptor) [pid 3680] close(25) = -1 EBADF (Bad file descriptor) [pid 3680] close(26) = -1 EBADF (Bad file descriptor) [pid 3680] close(27) = -1 EBADF (Bad file descriptor) [pid 3680] close(28) = -1 EBADF (Bad file descriptor) [pid 3680] close(29) = -1 EBADF (Bad file descriptor) [pid 3680] exit_group(0) = ? [pid 3680] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./74/binderfs") = 0 [pid 3605] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./74/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./74/cgroup") = 0 [pid 3605] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./74/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./74/cgroup.net") = 0 [pid 3605] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./74/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./74/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./74") = 0 [pid 3605] mkdir("./75", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3681 attached , child_tidptr=0x555556c0f5d0) = 77 [pid 3681] chdir("./75") = 0 [pid 3681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3681] setpgid(0, 0) = 0 [pid 3681] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3681] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3681] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3681] write(3, "1000", 4) = 4 [pid 3681] close(3) = 0 [pid 3681] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3681] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3681] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3681] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3681] openat(3, "freezer.state", O_RDWR) = 4 [pid 3681] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3681] close(3) = 0 [pid 3681] close(4) = 0 [pid 3681] close(5) = -1 EBADF (Bad file descriptor) [pid 3681] close(6) = -1 EBADF (Bad file descriptor) [pid 3681] close(7) = -1 EBADF (Bad file descriptor) [pid 3681] close(8) = -1 EBADF (Bad file descriptor) [pid 3681] close(9) = -1 EBADF (Bad file descriptor) [pid 3681] close(10) = -1 EBADF (Bad file descriptor) [pid 3681] close(11) = -1 EBADF (Bad file descriptor) [pid 3681] close(12) = -1 EBADF (Bad file descriptor) [pid 3681] close(13) = -1 EBADF (Bad file descriptor) [pid 3681] close(14) = -1 EBADF (Bad file descriptor) [pid 3681] close(15) = -1 EBADF (Bad file descriptor) [pid 3681] close(16) = -1 EBADF (Bad file descriptor) [pid 3681] close(17) = -1 EBADF (Bad file descriptor) [pid 3681] close(18) = -1 EBADF (Bad file descriptor) [pid 3681] close(19) = -1 EBADF (Bad file descriptor) [pid 3681] close(20) = -1 EBADF (Bad file descriptor) [pid 3681] close(21) = -1 EBADF (Bad file descriptor) [pid 3681] close(22) = -1 EBADF (Bad file descriptor) [pid 3681] close(23) = -1 EBADF (Bad file descriptor) [pid 3681] close(24) = -1 EBADF (Bad file descriptor) [pid 3681] close(25) = -1 EBADF (Bad file descriptor) [pid 3681] close(26) = -1 EBADF (Bad file descriptor) [pid 3681] close(27) = -1 EBADF (Bad file descriptor) [pid 3681] close(28) = -1 EBADF (Bad file descriptor) [pid 3681] close(29) = -1 EBADF (Bad file descriptor) [pid 3681] exit_group(0) = ? [pid 3681] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./75/binderfs") = 0 [pid 3605] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./75/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./75/cgroup") = 0 [pid 3605] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./75/cgroup.net") = 0 [pid 3605] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./75/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./75") = 0 [pid 3605] mkdir("./76", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3682 attached [pid 3682] chdir("./76") = 0 [pid 3682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 78 [pid 3682] setpgid(0, 0) = 0 [pid 3682] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3682] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3682] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3682] write(3, "1000", 4) = 4 [pid 3682] close(3) = 0 [pid 3682] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3682] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3682] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3682] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3682] openat(3, "freezer.state", O_RDWR) = 4 [pid 3682] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3682] close(3) = 0 [pid 3682] close(4) = 0 [pid 3682] close(5) = -1 EBADF (Bad file descriptor) [pid 3682] close(6) = -1 EBADF (Bad file descriptor) [pid 3682] close(7) = -1 EBADF (Bad file descriptor) [pid 3682] close(8) = -1 EBADF (Bad file descriptor) [pid 3682] close(9) = -1 EBADF (Bad file descriptor) [pid 3682] close(10) = -1 EBADF (Bad file descriptor) [pid 3682] close(11) = -1 EBADF (Bad file descriptor) [pid 3682] close(12) = -1 EBADF (Bad file descriptor) [pid 3682] close(13) = -1 EBADF (Bad file descriptor) [pid 3682] close(14) = -1 EBADF (Bad file descriptor) [pid 3682] close(15) = -1 EBADF (Bad file descriptor) [pid 3682] close(16) = -1 EBADF (Bad file descriptor) [pid 3682] close(17) = -1 EBADF (Bad file descriptor) [pid 3682] close(18) = -1 EBADF (Bad file descriptor) [pid 3682] close(19) = -1 EBADF (Bad file descriptor) [pid 3682] close(20) = -1 EBADF (Bad file descriptor) [pid 3682] close(21) = -1 EBADF (Bad file descriptor) [pid 3682] close(22) = -1 EBADF (Bad file descriptor) [pid 3682] close(23) = -1 EBADF (Bad file descriptor) [pid 3682] close(24) = -1 EBADF (Bad file descriptor) [pid 3682] close(25) = -1 EBADF (Bad file descriptor) [pid 3682] close(26) = -1 EBADF (Bad file descriptor) [pid 3682] close(27) = -1 EBADF (Bad file descriptor) [pid 3682] close(28) = -1 EBADF (Bad file descriptor) [pid 3682] close(29) = -1 EBADF (Bad file descriptor) [pid 3682] exit_group(0) = ? [pid 3682] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./76/binderfs") = 0 [pid 3605] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./76/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./76/cgroup") = 0 [pid 3605] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./76/cgroup.net") = 0 [pid 3605] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./76/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./76/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./76") = 0 [pid 3605] mkdir("./77", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3683 attached [pid 3683] chdir("./77") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 79 [pid 3683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3683] setpgid(0, 0) = 0 [pid 3683] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3683] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3683] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3683] write(3, "1000", 4) = 4 [pid 3683] close(3) = 0 [pid 3683] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3683] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3683] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3683] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3683] openat(3, "freezer.state", O_RDWR) = 4 [pid 3683] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3683] close(3) = 0 [pid 3683] close(4) = 0 [pid 3683] close(5) = -1 EBADF (Bad file descriptor) [pid 3683] close(6) = -1 EBADF (Bad file descriptor) [pid 3683] close(7) = -1 EBADF (Bad file descriptor) [pid 3683] close(8) = -1 EBADF (Bad file descriptor) [pid 3683] close(9) = -1 EBADF (Bad file descriptor) [pid 3683] close(10) = -1 EBADF (Bad file descriptor) [pid 3683] close(11) = -1 EBADF (Bad file descriptor) [pid 3683] close(12) = -1 EBADF (Bad file descriptor) [pid 3683] close(13) = -1 EBADF (Bad file descriptor) [pid 3683] close(14) = -1 EBADF (Bad file descriptor) [pid 3683] close(15) = -1 EBADF (Bad file descriptor) [pid 3683] close(16) = -1 EBADF (Bad file descriptor) [pid 3683] close(17) = -1 EBADF (Bad file descriptor) [pid 3683] close(18) = -1 EBADF (Bad file descriptor) [pid 3683] close(19) = -1 EBADF (Bad file descriptor) [pid 3683] close(20) = -1 EBADF (Bad file descriptor) [pid 3683] close(21) = -1 EBADF (Bad file descriptor) [pid 3683] close(22) = -1 EBADF (Bad file descriptor) [pid 3683] close(23) = -1 EBADF (Bad file descriptor) [pid 3683] close(24) = -1 EBADF (Bad file descriptor) [pid 3683] close(25) = -1 EBADF (Bad file descriptor) [pid 3683] close(26) = -1 EBADF (Bad file descriptor) [pid 3683] close(27) = -1 EBADF (Bad file descriptor) [pid 3683] close(28) = -1 EBADF (Bad file descriptor) [pid 3683] close(29) = -1 EBADF (Bad file descriptor) [pid 3683] exit_group(0) = ? [pid 3683] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./77/binderfs") = 0 [pid 3605] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./77/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./77/cgroup") = 0 [pid 3605] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./77/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./77/cgroup.net") = 0 [pid 3605] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./77/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./77") = 0 [pid 3605] mkdir("./78", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3684 attached [pid 3684] chdir("./78") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 80 [pid 3684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3684] setpgid(0, 0) = 0 [pid 3684] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3684] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3684] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3684] write(3, "1000", 4) = 4 [pid 3684] close(3) = 0 [pid 3684] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3684] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3684] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3684] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3684] openat(3, "freezer.state", O_RDWR) = 4 [pid 3684] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3684] close(3) = 0 [pid 3684] close(4) = 0 [pid 3684] close(5) = -1 EBADF (Bad file descriptor) [pid 3684] close(6) = -1 EBADF (Bad file descriptor) [pid 3684] close(7) = -1 EBADF (Bad file descriptor) [pid 3684] close(8) = -1 EBADF (Bad file descriptor) [pid 3684] close(9) = -1 EBADF (Bad file descriptor) [pid 3684] close(10) = -1 EBADF (Bad file descriptor) [pid 3684] close(11) = -1 EBADF (Bad file descriptor) [pid 3684] close(12) = -1 EBADF (Bad file descriptor) [pid 3684] close(13) = -1 EBADF (Bad file descriptor) [pid 3684] close(14) = -1 EBADF (Bad file descriptor) [pid 3684] close(15) = -1 EBADF (Bad file descriptor) [pid 3684] close(16) = -1 EBADF (Bad file descriptor) [pid 3684] close(17) = -1 EBADF (Bad file descriptor) [pid 3684] close(18) = -1 EBADF (Bad file descriptor) [pid 3684] close(19) = -1 EBADF (Bad file descriptor) [pid 3684] close(20) = -1 EBADF (Bad file descriptor) [pid 3684] close(21) = -1 EBADF (Bad file descriptor) [pid 3684] close(22) = -1 EBADF (Bad file descriptor) [pid 3684] close(23) = -1 EBADF (Bad file descriptor) [pid 3684] close(24) = -1 EBADF (Bad file descriptor) [pid 3684] close(25) = -1 EBADF (Bad file descriptor) [pid 3684] close(26) = -1 EBADF (Bad file descriptor) [pid 3684] close(27) = -1 EBADF (Bad file descriptor) [pid 3684] close(28) = -1 EBADF (Bad file descriptor) [pid 3684] close(29) = -1 EBADF (Bad file descriptor) [pid 3684] exit_group(0) = ? [pid 3684] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./78/binderfs") = 0 [pid 3605] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./78/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./78/cgroup") = 0 [pid 3605] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./78/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./78/cgroup.net") = 0 [pid 3605] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./78/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./78/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./78") = 0 [pid 3605] mkdir("./79", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3685 attached [pid 3685] chdir("./79") = 0 [pid 3685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3685] setpgid(0, 0) = 0 [pid 3685] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 81 [pid 3685] <... symlink resumed>) = 0 [pid 3685] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3685] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3685] write(3, "1000", 4) = 4 [pid 3685] close(3) = 0 [pid 3685] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3685] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3685] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3685] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3685] openat(3, "freezer.state", O_RDWR) = 4 [pid 3685] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3685] close(3) = 0 [pid 3685] close(4) = 0 [pid 3685] close(5) = -1 EBADF (Bad file descriptor) [pid 3685] close(6) = -1 EBADF (Bad file descriptor) [pid 3685] close(7) = -1 EBADF (Bad file descriptor) [pid 3685] close(8) = -1 EBADF (Bad file descriptor) [pid 3685] close(9) = -1 EBADF (Bad file descriptor) [pid 3685] close(10) = -1 EBADF (Bad file descriptor) [pid 3685] close(11) = -1 EBADF (Bad file descriptor) [pid 3685] close(12) = -1 EBADF (Bad file descriptor) [pid 3685] close(13) = -1 EBADF (Bad file descriptor) [pid 3685] close(14) = -1 EBADF (Bad file descriptor) [pid 3685] close(15) = -1 EBADF (Bad file descriptor) [pid 3685] close(16) = -1 EBADF (Bad file descriptor) [pid 3685] close(17) = -1 EBADF (Bad file descriptor) [pid 3685] close(18) = -1 EBADF (Bad file descriptor) [pid 3685] close(19) = -1 EBADF (Bad file descriptor) [pid 3685] close(20) = -1 EBADF (Bad file descriptor) [pid 3685] close(21) = -1 EBADF (Bad file descriptor) [pid 3685] close(22) = -1 EBADF (Bad file descriptor) [pid 3685] close(23) = -1 EBADF (Bad file descriptor) [pid 3685] close(24) = -1 EBADF (Bad file descriptor) [pid 3685] close(25) = -1 EBADF (Bad file descriptor) [pid 3685] close(26) = -1 EBADF (Bad file descriptor) [pid 3685] close(27) = -1 EBADF (Bad file descriptor) [pid 3685] close(28) = -1 EBADF (Bad file descriptor) [pid 3685] close(29) = -1 EBADF (Bad file descriptor) [pid 3685] exit_group(0) = ? [pid 3685] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./79/binderfs") = 0 [pid 3605] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./79/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./79/cgroup") = 0 [pid 3605] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./79/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./79/cgroup.net") = 0 [pid 3605] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./79/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./79/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./79") = 0 [pid 3605] mkdir("./80", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3686 attached [pid 3686] chdir("./80") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 82 [pid 3686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3686] setpgid(0, 0) = 0 [pid 3686] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3686] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3686] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3686] write(3, "1000", 4) = 4 [pid 3686] close(3) = 0 [pid 3686] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3686] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3686] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3686] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3686] openat(3, "freezer.state", O_RDWR) = 4 [pid 3686] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3686] close(3) = 0 [pid 3686] close(4) = 0 [pid 3686] close(5) = -1 EBADF (Bad file descriptor) [pid 3686] close(6) = -1 EBADF (Bad file descriptor) [pid 3686] close(7) = -1 EBADF (Bad file descriptor) [pid 3686] close(8) = -1 EBADF (Bad file descriptor) [pid 3686] close(9) = -1 EBADF (Bad file descriptor) [pid 3686] close(10) = -1 EBADF (Bad file descriptor) [pid 3686] close(11) = -1 EBADF (Bad file descriptor) [pid 3686] close(12) = -1 EBADF (Bad file descriptor) [pid 3686] close(13) = -1 EBADF (Bad file descriptor) [pid 3686] close(14) = -1 EBADF (Bad file descriptor) [pid 3686] close(15) = -1 EBADF (Bad file descriptor) [pid 3686] close(16) = -1 EBADF (Bad file descriptor) [pid 3686] close(17) = -1 EBADF (Bad file descriptor) [pid 3686] close(18) = -1 EBADF (Bad file descriptor) [pid 3686] close(19) = -1 EBADF (Bad file descriptor) [pid 3686] close(20) = -1 EBADF (Bad file descriptor) [pid 3686] close(21) = -1 EBADF (Bad file descriptor) [pid 3686] close(22) = -1 EBADF (Bad file descriptor) [pid 3686] close(23) = -1 EBADF (Bad file descriptor) [pid 3686] close(24) = -1 EBADF (Bad file descriptor) [pid 3686] close(25) = -1 EBADF (Bad file descriptor) [pid 3686] close(26) = -1 EBADF (Bad file descriptor) [pid 3686] close(27) = -1 EBADF (Bad file descriptor) [pid 3686] close(28) = -1 EBADF (Bad file descriptor) [pid 3686] close(29) = -1 EBADF (Bad file descriptor) [pid 3686] exit_group(0) = ? [pid 3686] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./80/binderfs") = 0 [pid 3605] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./80/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./80/cgroup") = 0 [pid 3605] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./80/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./80/cgroup.net") = 0 [pid 3605] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./80/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./80/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./80") = 0 [pid 3605] mkdir("./81", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3687 attached , child_tidptr=0x555556c0f5d0) = 83 [pid 3687] chdir("./81") = 0 [pid 3687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3687] setpgid(0, 0) = 0 [pid 3687] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3687] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3687] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3687] write(3, "1000", 4) = 4 [pid 3687] close(3) = 0 [pid 3687] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3687] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3687] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3687] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3687] openat(3, "freezer.state", O_RDWR) = 4 [pid 3687] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3687] close(3) = 0 [pid 3687] close(4) = 0 [pid 3687] close(5) = -1 EBADF (Bad file descriptor) [pid 3687] close(6) = -1 EBADF (Bad file descriptor) [pid 3687] close(7) = -1 EBADF (Bad file descriptor) [pid 3687] close(8) = -1 EBADF (Bad file descriptor) [pid 3687] close(9) = -1 EBADF (Bad file descriptor) [pid 3687] close(10) = -1 EBADF (Bad file descriptor) [pid 3687] close(11) = -1 EBADF (Bad file descriptor) [pid 3687] close(12) = -1 EBADF (Bad file descriptor) [pid 3687] close(13) = -1 EBADF (Bad file descriptor) [pid 3687] close(14) = -1 EBADF (Bad file descriptor) [pid 3687] close(15) = -1 EBADF (Bad file descriptor) [pid 3687] close(16) = -1 EBADF (Bad file descriptor) [pid 3687] close(17) = -1 EBADF (Bad file descriptor) [pid 3687] close(18) = -1 EBADF (Bad file descriptor) [pid 3687] close(19) = -1 EBADF (Bad file descriptor) [pid 3687] close(20) = -1 EBADF (Bad file descriptor) [pid 3687] close(21) = -1 EBADF (Bad file descriptor) [pid 3687] close(22) = -1 EBADF (Bad file descriptor) [pid 3687] close(23) = -1 EBADF (Bad file descriptor) [pid 3687] close(24) = -1 EBADF (Bad file descriptor) [pid 3687] close(25) = -1 EBADF (Bad file descriptor) [pid 3687] close(26) = -1 EBADF (Bad file descriptor) [pid 3687] close(27) = -1 EBADF (Bad file descriptor) [pid 3687] close(28) = -1 EBADF (Bad file descriptor) [pid 3687] close(29) = -1 EBADF (Bad file descriptor) [pid 3687] exit_group(0) = ? [pid 3687] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./81/binderfs") = 0 [pid 3605] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./81/cgroup") = 0 [pid 3605] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./81/cgroup.net") = 0 [pid 3605] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./81/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./81") = 0 [pid 3605] mkdir("./82", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3688 attached , child_tidptr=0x555556c0f5d0) = 84 [pid 3688] chdir("./82") = 0 [pid 3688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3688] setpgid(0, 0) = 0 [pid 3688] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3688] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3688] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3688] write(3, "1000", 4) = 4 [pid 3688] close(3) = 0 [pid 3688] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3688] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3688] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3688] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3688] openat(3, "freezer.state", O_RDWR) = 4 [pid 3688] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3688] close(3) = 0 [pid 3688] close(4) = 0 [pid 3688] close(5) = -1 EBADF (Bad file descriptor) [pid 3688] close(6) = -1 EBADF (Bad file descriptor) [pid 3688] close(7) = -1 EBADF (Bad file descriptor) [pid 3688] close(8) = -1 EBADF (Bad file descriptor) [pid 3688] close(9) = -1 EBADF (Bad file descriptor) [pid 3688] close(10) = -1 EBADF (Bad file descriptor) [pid 3688] close(11) = -1 EBADF (Bad file descriptor) [pid 3688] close(12) = -1 EBADF (Bad file descriptor) [pid 3688] close(13) = -1 EBADF (Bad file descriptor) [pid 3688] close(14) = -1 EBADF (Bad file descriptor) [pid 3688] close(15) = -1 EBADF (Bad file descriptor) [pid 3688] close(16) = -1 EBADF (Bad file descriptor) [pid 3688] close(17) = -1 EBADF (Bad file descriptor) [pid 3688] close(18) = -1 EBADF (Bad file descriptor) [pid 3688] close(19) = -1 EBADF (Bad file descriptor) [pid 3688] close(20) = -1 EBADF (Bad file descriptor) [pid 3688] close(21) = -1 EBADF (Bad file descriptor) [pid 3688] close(22) = -1 EBADF (Bad file descriptor) [pid 3688] close(23) = -1 EBADF (Bad file descriptor) [pid 3688] close(24) = -1 EBADF (Bad file descriptor) [pid 3688] close(25) = -1 EBADF (Bad file descriptor) [pid 3688] close(26) = -1 EBADF (Bad file descriptor) [pid 3688] close(27) = -1 EBADF (Bad file descriptor) [pid 3688] close(28) = -1 EBADF (Bad file descriptor) [pid 3688] close(29) = -1 EBADF (Bad file descriptor) [pid 3688] exit_group(0) = ? [pid 3688] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./82/binderfs") = 0 [pid 3605] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./82/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./82/cgroup") = 0 [pid 3605] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./82/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./82/cgroup.net") = 0 [pid 3605] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./82/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./82/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./82") = 0 [pid 3605] mkdir("./83", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3689 attached [pid 3689] chdir("./83") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 85 [pid 3689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3689] setpgid(0, 0) = 0 [pid 3689] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3689] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3689] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3689] write(3, "1000", 4) = 4 [pid 3689] close(3) = 0 [pid 3689] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3689] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3689] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3689] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3689] openat(3, "freezer.state", O_RDWR) = 4 [pid 3689] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3689] close(3) = 0 [pid 3689] close(4) = 0 [pid 3689] close(5) = -1 EBADF (Bad file descriptor) [pid 3689] close(6) = -1 EBADF (Bad file descriptor) [pid 3689] close(7) = -1 EBADF (Bad file descriptor) [pid 3689] close(8) = -1 EBADF (Bad file descriptor) [pid 3689] close(9) = -1 EBADF (Bad file descriptor) [pid 3689] close(10) = -1 EBADF (Bad file descriptor) [pid 3689] close(11) = -1 EBADF (Bad file descriptor) [pid 3689] close(12) = -1 EBADF (Bad file descriptor) [pid 3689] close(13) = -1 EBADF (Bad file descriptor) [pid 3689] close(14) = -1 EBADF (Bad file descriptor) [pid 3689] close(15) = -1 EBADF (Bad file descriptor) [pid 3689] close(16) = -1 EBADF (Bad file descriptor) [pid 3689] close(17) = -1 EBADF (Bad file descriptor) [pid 3689] close(18) = -1 EBADF (Bad file descriptor) [pid 3689] close(19) = -1 EBADF (Bad file descriptor) [pid 3689] close(20) = -1 EBADF (Bad file descriptor) [pid 3689] close(21) = -1 EBADF (Bad file descriptor) [pid 3689] close(22) = -1 EBADF (Bad file descriptor) [pid 3689] close(23) = -1 EBADF (Bad file descriptor) [pid 3689] close(24) = -1 EBADF (Bad file descriptor) [pid 3689] close(25) = -1 EBADF (Bad file descriptor) [pid 3689] close(26) = -1 EBADF (Bad file descriptor) [pid 3689] close(27) = -1 EBADF (Bad file descriptor) [pid 3689] close(28) = -1 EBADF (Bad file descriptor) [pid 3689] close(29) = -1 EBADF (Bad file descriptor) [pid 3689] exit_group(0) = ? [pid 3689] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./83/binderfs") = 0 [pid 3605] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./83/cgroup") = 0 [pid 3605] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./83/cgroup.net") = 0 [pid 3605] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./83/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./83") = 0 [pid 3605] mkdir("./84", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3690 attached [pid 3690] chdir("./84" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 86 [pid 3690] <... chdir resumed>) = 0 [pid 3690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3690] setpgid(0, 0) = 0 [pid 3690] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3690] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3690] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3690] write(3, "1000", 4) = 4 [pid 3690] close(3) = 0 [pid 3690] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3690] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3690] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3690] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3690] openat(3, "freezer.state", O_RDWR) = 4 [pid 3690] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3690] close(3) = 0 [pid 3690] close(4) = 0 [pid 3690] close(5) = -1 EBADF (Bad file descriptor) [pid 3690] close(6) = -1 EBADF (Bad file descriptor) [pid 3690] close(7) = -1 EBADF (Bad file descriptor) [pid 3690] close(8) = -1 EBADF (Bad file descriptor) [pid 3690] close(9) = -1 EBADF (Bad file descriptor) [pid 3690] close(10) = -1 EBADF (Bad file descriptor) [pid 3690] close(11) = -1 EBADF (Bad file descriptor) [pid 3690] close(12) = -1 EBADF (Bad file descriptor) [pid 3690] close(13) = -1 EBADF (Bad file descriptor) [pid 3690] close(14) = -1 EBADF (Bad file descriptor) [pid 3690] close(15) = -1 EBADF (Bad file descriptor) [pid 3690] close(16) = -1 EBADF (Bad file descriptor) [pid 3690] close(17) = -1 EBADF (Bad file descriptor) [pid 3690] close(18) = -1 EBADF (Bad file descriptor) [pid 3690] close(19) = -1 EBADF (Bad file descriptor) [pid 3690] close(20) = -1 EBADF (Bad file descriptor) [pid 3690] close(21) = -1 EBADF (Bad file descriptor) [pid 3690] close(22) = -1 EBADF (Bad file descriptor) [pid 3690] close(23) = -1 EBADF (Bad file descriptor) [pid 3690] close(24) = -1 EBADF (Bad file descriptor) [pid 3690] close(25) = -1 EBADF (Bad file descriptor) [pid 3690] close(26) = -1 EBADF (Bad file descriptor) [pid 3690] close(27) = -1 EBADF (Bad file descriptor) [pid 3690] close(28) = -1 EBADF (Bad file descriptor) [pid 3690] close(29) = -1 EBADF (Bad file descriptor) [pid 3690] exit_group(0) = ? [pid 3690] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./84/binderfs") = 0 [pid 3605] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./84/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./84/cgroup") = 0 [pid 3605] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./84/cgroup.net") = 0 [pid 3605] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./84/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./84/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./84") = 0 [pid 3605] mkdir("./85", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3691 attached [pid 3691] chdir("./85") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 87 [pid 3691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3691] setpgid(0, 0) = 0 [pid 3691] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3691] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3691] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3691] write(3, "1000", 4) = 4 [pid 3691] close(3) = 0 [pid 3691] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3691] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3691] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3691] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3691] openat(3, "freezer.state", O_RDWR) = 4 [pid 3691] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3691] close(3) = 0 [pid 3691] close(4) = 0 [pid 3691] close(5) = -1 EBADF (Bad file descriptor) [pid 3691] close(6) = -1 EBADF (Bad file descriptor) [pid 3691] close(7) = -1 EBADF (Bad file descriptor) [pid 3691] close(8) = -1 EBADF (Bad file descriptor) [pid 3691] close(9) = -1 EBADF (Bad file descriptor) [pid 3691] close(10) = -1 EBADF (Bad file descriptor) [pid 3691] close(11) = -1 EBADF (Bad file descriptor) [pid 3691] close(12) = -1 EBADF (Bad file descriptor) [pid 3691] close(13) = -1 EBADF (Bad file descriptor) [pid 3691] close(14) = -1 EBADF (Bad file descriptor) [pid 3691] close(15) = -1 EBADF (Bad file descriptor) [pid 3691] close(16) = -1 EBADF (Bad file descriptor) [pid 3691] close(17) = -1 EBADF (Bad file descriptor) [pid 3691] close(18) = -1 EBADF (Bad file descriptor) [pid 3691] close(19) = -1 EBADF (Bad file descriptor) [pid 3691] close(20) = -1 EBADF (Bad file descriptor) [pid 3691] close(21) = -1 EBADF (Bad file descriptor) [pid 3691] close(22) = -1 EBADF (Bad file descriptor) [pid 3691] close(23) = -1 EBADF (Bad file descriptor) [pid 3691] close(24) = -1 EBADF (Bad file descriptor) [pid 3691] close(25) = -1 EBADF (Bad file descriptor) [pid 3691] close(26) = -1 EBADF (Bad file descriptor) [pid 3691] close(27) = -1 EBADF (Bad file descriptor) [pid 3691] close(28) = -1 EBADF (Bad file descriptor) [pid 3691] close(29) = -1 EBADF (Bad file descriptor) [pid 3691] exit_group(0) = ? [pid 3691] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./85/binderfs") = 0 [pid 3605] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./85/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./85/cgroup") = 0 [pid 3605] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./85/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./85/cgroup.net") = 0 [pid 3605] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./85/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./85/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./85") = 0 [pid 3605] mkdir("./86", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3692 attached [pid 3692] chdir("./86" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 88 [pid 3692] <... chdir resumed>) = 0 [pid 3692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3692] setpgid(0, 0) = 0 [pid 3692] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3692] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3692] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3692] write(3, "1000", 4) = 4 [pid 3692] close(3) = 0 [pid 3692] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3692] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3692] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3692] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3692] openat(3, "freezer.state", O_RDWR) = 4 [pid 3692] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3692] close(3) = 0 [pid 3692] close(4) = 0 [pid 3692] close(5) = -1 EBADF (Bad file descriptor) [pid 3692] close(6) = -1 EBADF (Bad file descriptor) [pid 3692] close(7) = -1 EBADF (Bad file descriptor) [pid 3692] close(8) = -1 EBADF (Bad file descriptor) [pid 3692] close(9) = -1 EBADF (Bad file descriptor) [pid 3692] close(10) = -1 EBADF (Bad file descriptor) [pid 3692] close(11) = -1 EBADF (Bad file descriptor) [pid 3692] close(12) = -1 EBADF (Bad file descriptor) [pid 3692] close(13) = -1 EBADF (Bad file descriptor) [pid 3692] close(14) = -1 EBADF (Bad file descriptor) [pid 3692] close(15) = -1 EBADF (Bad file descriptor) [pid 3692] close(16) = -1 EBADF (Bad file descriptor) [pid 3692] close(17) = -1 EBADF (Bad file descriptor) [pid 3692] close(18) = -1 EBADF (Bad file descriptor) [pid 3692] close(19) = -1 EBADF (Bad file descriptor) [pid 3692] close(20) = -1 EBADF (Bad file descriptor) [pid 3692] close(21) = -1 EBADF (Bad file descriptor) [pid 3692] close(22) = -1 EBADF (Bad file descriptor) [pid 3692] close(23) = -1 EBADF (Bad file descriptor) [pid 3692] close(24) = -1 EBADF (Bad file descriptor) [pid 3692] close(25) = -1 EBADF (Bad file descriptor) [pid 3692] close(26) = -1 EBADF (Bad file descriptor) [pid 3692] close(27) = -1 EBADF (Bad file descriptor) [pid 3692] close(28) = -1 EBADF (Bad file descriptor) [pid 3692] close(29) = -1 EBADF (Bad file descriptor) [pid 3692] exit_group(0) = ? [pid 3692] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./86/binderfs") = 0 [pid 3605] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./86/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./86/cgroup") = 0 [pid 3605] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./86/cgroup.net") = 0 [pid 3605] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./86/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./86/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./86") = 0 [pid 3605] mkdir("./87", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3693 attached [pid 3693] chdir("./87") = 0 [pid 3693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3693] setpgid(0, 0) = 0 [pid 3693] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 89 [pid 3693] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3693] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3693] write(3, "1000", 4) = 4 [pid 3693] close(3) = 0 [pid 3693] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3693] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3693] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3693] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3693] openat(3, "freezer.state", O_RDWR) = 4 [pid 3693] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3693] close(3) = 0 [pid 3693] close(4) = 0 [pid 3693] close(5) = -1 EBADF (Bad file descriptor) [pid 3693] close(6) = -1 EBADF (Bad file descriptor) [pid 3693] close(7) = -1 EBADF (Bad file descriptor) [pid 3693] close(8) = -1 EBADF (Bad file descriptor) [pid 3693] close(9) = -1 EBADF (Bad file descriptor) [pid 3693] close(10) = -1 EBADF (Bad file descriptor) [pid 3693] close(11) = -1 EBADF (Bad file descriptor) [pid 3693] close(12) = -1 EBADF (Bad file descriptor) [pid 3693] close(13) = -1 EBADF (Bad file descriptor) [pid 3693] close(14) = -1 EBADF (Bad file descriptor) [pid 3693] close(15) = -1 EBADF (Bad file descriptor) [pid 3693] close(16) = -1 EBADF (Bad file descriptor) [pid 3693] close(17) = -1 EBADF (Bad file descriptor) [pid 3693] close(18) = -1 EBADF (Bad file descriptor) [pid 3693] close(19) = -1 EBADF (Bad file descriptor) [pid 3693] close(20) = -1 EBADF (Bad file descriptor) [pid 3693] close(21) = -1 EBADF (Bad file descriptor) [pid 3693] close(22) = -1 EBADF (Bad file descriptor) [pid 3693] close(23) = -1 EBADF (Bad file descriptor) [pid 3693] close(24) = -1 EBADF (Bad file descriptor) [pid 3693] close(25) = -1 EBADF (Bad file descriptor) [pid 3693] close(26) = -1 EBADF (Bad file descriptor) [pid 3693] close(27) = -1 EBADF (Bad file descriptor) [pid 3693] close(28) = -1 EBADF (Bad file descriptor) [pid 3693] close(29) = -1 EBADF (Bad file descriptor) [pid 3693] exit_group(0) = ? [pid 3693] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./87/binderfs") = 0 [pid 3605] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./87/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./87/cgroup") = 0 [pid 3605] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./87/cgroup.net") = 0 [pid 3605] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./87/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./87/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./87") = 0 [pid 3605] mkdir("./88", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3694 attached [pid 3694] chdir("./88" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 90 [pid 3694] <... chdir resumed>) = 0 [pid 3694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3694] setpgid(0, 0) = 0 [pid 3694] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3694] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3694] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3694] write(3, "1000", 4) = 4 [pid 3694] close(3) = 0 [pid 3694] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3694] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3694] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3694] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3694] openat(3, "freezer.state", O_RDWR) = 4 [pid 3694] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3694] close(3) = 0 [pid 3694] close(4) = 0 [pid 3694] close(5) = -1 EBADF (Bad file descriptor) [pid 3694] close(6) = -1 EBADF (Bad file descriptor) [pid 3694] close(7) = -1 EBADF (Bad file descriptor) [pid 3694] close(8) = -1 EBADF (Bad file descriptor) [pid 3694] close(9) = -1 EBADF (Bad file descriptor) [pid 3694] close(10) = -1 EBADF (Bad file descriptor) [pid 3694] close(11) = -1 EBADF (Bad file descriptor) [pid 3694] close(12) = -1 EBADF (Bad file descriptor) [pid 3694] close(13) = -1 EBADF (Bad file descriptor) [pid 3694] close(14) = -1 EBADF (Bad file descriptor) [pid 3694] close(15) = -1 EBADF (Bad file descriptor) [pid 3694] close(16) = -1 EBADF (Bad file descriptor) [pid 3694] close(17) = -1 EBADF (Bad file descriptor) [pid 3694] close(18) = -1 EBADF (Bad file descriptor) [pid 3694] close(19) = -1 EBADF (Bad file descriptor) [pid 3694] close(20) = -1 EBADF (Bad file descriptor) [pid 3694] close(21) = -1 EBADF (Bad file descriptor) [pid 3694] close(22) = -1 EBADF (Bad file descriptor) [pid 3694] close(23) = -1 EBADF (Bad file descriptor) [pid 3694] close(24) = -1 EBADF (Bad file descriptor) [pid 3694] close(25) = -1 EBADF (Bad file descriptor) [pid 3694] close(26) = -1 EBADF (Bad file descriptor) [pid 3694] close(27) = -1 EBADF (Bad file descriptor) [pid 3694] close(28) = -1 EBADF (Bad file descriptor) [pid 3694] close(29) = -1 EBADF (Bad file descriptor) [pid 3694] exit_group(0) = ? [pid 3694] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./88/binderfs") = 0 [pid 3605] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./88/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./88/cgroup") = 0 [pid 3605] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./88/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./88/cgroup.net") = 0 [pid 3605] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./88/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./88/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./88") = 0 [pid 3605] mkdir("./89", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3695 attached [pid 3695] chdir("./89") = 0 [pid 3695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3695] setpgid(0, 0) = 0 [pid 3695] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 91 [pid 3695] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3695] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3695] write(3, "1000", 4) = 4 [pid 3695] close(3) = 0 [pid 3695] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3695] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3695] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3695] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3695] openat(3, "freezer.state", O_RDWR) = 4 [pid 3695] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3695] close(3) = 0 [pid 3695] close(4) = 0 [pid 3695] close(5) = -1 EBADF (Bad file descriptor) [pid 3695] close(6) = -1 EBADF (Bad file descriptor) [pid 3695] close(7) = -1 EBADF (Bad file descriptor) [pid 3695] close(8) = -1 EBADF (Bad file descriptor) [pid 3695] close(9) = -1 EBADF (Bad file descriptor) [pid 3695] close(10) = -1 EBADF (Bad file descriptor) [pid 3695] close(11) = -1 EBADF (Bad file descriptor) [pid 3695] close(12) = -1 EBADF (Bad file descriptor) [pid 3695] close(13) = -1 EBADF (Bad file descriptor) [pid 3695] close(14) = -1 EBADF (Bad file descriptor) [pid 3695] close(15) = -1 EBADF (Bad file descriptor) [pid 3695] close(16) = -1 EBADF (Bad file descriptor) [pid 3695] close(17) = -1 EBADF (Bad file descriptor) [pid 3695] close(18) = -1 EBADF (Bad file descriptor) [pid 3695] close(19) = -1 EBADF (Bad file descriptor) [pid 3695] close(20) = -1 EBADF (Bad file descriptor) [pid 3695] close(21) = -1 EBADF (Bad file descriptor) [pid 3695] close(22) = -1 EBADF (Bad file descriptor) [pid 3695] close(23) = -1 EBADF (Bad file descriptor) [pid 3695] close(24) = -1 EBADF (Bad file descriptor) [pid 3695] close(25) = -1 EBADF (Bad file descriptor) [pid 3695] close(26) = -1 EBADF (Bad file descriptor) [pid 3695] close(27) = -1 EBADF (Bad file descriptor) [pid 3695] close(28) = -1 EBADF (Bad file descriptor) [pid 3695] close(29) = -1 EBADF (Bad file descriptor) [pid 3695] exit_group(0) = ? [pid 3695] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./89/binderfs") = 0 [pid 3605] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./89/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./89/cgroup") = 0 [pid 3605] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./89/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./89/cgroup.net") = 0 [pid 3605] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./89/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./89") = 0 [pid 3605] mkdir("./90", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3696 attached [pid 3696] chdir("./90") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 92 [pid 3696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3696] setpgid(0, 0) = 0 [pid 3696] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3696] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3696] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3696] write(3, "1000", 4) = 4 [pid 3696] close(3) = 0 [pid 3696] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3696] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3696] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3696] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3696] openat(3, "freezer.state", O_RDWR) = 4 [pid 3696] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3696] close(3) = 0 [pid 3696] close(4) = 0 [pid 3696] close(5) = -1 EBADF (Bad file descriptor) [pid 3696] close(6) = -1 EBADF (Bad file descriptor) [pid 3696] close(7) = -1 EBADF (Bad file descriptor) [pid 3696] close(8) = -1 EBADF (Bad file descriptor) [pid 3696] close(9) = -1 EBADF (Bad file descriptor) [pid 3696] close(10) = -1 EBADF (Bad file descriptor) [pid 3696] close(11) = -1 EBADF (Bad file descriptor) [pid 3696] close(12) = -1 EBADF (Bad file descriptor) [pid 3696] close(13) = -1 EBADF (Bad file descriptor) [pid 3696] close(14) = -1 EBADF (Bad file descriptor) [pid 3696] close(15) = -1 EBADF (Bad file descriptor) [pid 3696] close(16) = -1 EBADF (Bad file descriptor) [pid 3696] close(17) = -1 EBADF (Bad file descriptor) [pid 3696] close(18) = -1 EBADF (Bad file descriptor) [pid 3696] close(19) = -1 EBADF (Bad file descriptor) [pid 3696] close(20) = -1 EBADF (Bad file descriptor) [pid 3696] close(21) = -1 EBADF (Bad file descriptor) [pid 3696] close(22) = -1 EBADF (Bad file descriptor) [pid 3696] close(23) = -1 EBADF (Bad file descriptor) [pid 3696] close(24) = -1 EBADF (Bad file descriptor) [pid 3696] close(25) = -1 EBADF (Bad file descriptor) [pid 3696] close(26) = -1 EBADF (Bad file descriptor) [pid 3696] close(27) = -1 EBADF (Bad file descriptor) [pid 3696] close(28) = -1 EBADF (Bad file descriptor) [pid 3696] close(29) = -1 EBADF (Bad file descriptor) [pid 3696] exit_group(0) = ? [pid 3696] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./90/binderfs") = 0 [pid 3605] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./90/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./90/cgroup") = 0 [pid 3605] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./90/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./90/cgroup.net") = 0 [pid 3605] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./90/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./90/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./90") = 0 [pid 3605] mkdir("./91", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3697 attached [pid 3697] chdir("./91" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 93 [pid 3697] <... chdir resumed>) = 0 [pid 3697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3697] setpgid(0, 0) = 0 [pid 3697] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3697] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3697] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3697] write(3, "1000", 4) = 4 [pid 3697] close(3) = 0 [pid 3697] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3697] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3697] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3697] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3697] openat(3, "freezer.state", O_RDWR) = 4 [pid 3697] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3697] close(3) = 0 [pid 3697] close(4) = 0 [pid 3697] close(5) = -1 EBADF (Bad file descriptor) [pid 3697] close(6) = -1 EBADF (Bad file descriptor) [pid 3697] close(7) = -1 EBADF (Bad file descriptor) [pid 3697] close(8) = -1 EBADF (Bad file descriptor) [pid 3697] close(9) = -1 EBADF (Bad file descriptor) [pid 3697] close(10) = -1 EBADF (Bad file descriptor) [pid 3697] close(11) = -1 EBADF (Bad file descriptor) [pid 3697] close(12) = -1 EBADF (Bad file descriptor) [pid 3697] close(13) = -1 EBADF (Bad file descriptor) [pid 3697] close(14) = -1 EBADF (Bad file descriptor) [pid 3697] close(15) = -1 EBADF (Bad file descriptor) [pid 3697] close(16) = -1 EBADF (Bad file descriptor) [pid 3697] close(17) = -1 EBADF (Bad file descriptor) [pid 3697] close(18) = -1 EBADF (Bad file descriptor) [pid 3697] close(19) = -1 EBADF (Bad file descriptor) [pid 3697] close(20) = -1 EBADF (Bad file descriptor) [pid 3697] close(21) = -1 EBADF (Bad file descriptor) [pid 3697] close(22) = -1 EBADF (Bad file descriptor) [pid 3697] close(23) = -1 EBADF (Bad file descriptor) [pid 3697] close(24) = -1 EBADF (Bad file descriptor) [pid 3697] close(25) = -1 EBADF (Bad file descriptor) [pid 3697] close(26) = -1 EBADF (Bad file descriptor) [pid 3697] close(27) = -1 EBADF (Bad file descriptor) [pid 3697] close(28) = -1 EBADF (Bad file descriptor) [pid 3697] close(29) = -1 EBADF (Bad file descriptor) [pid 3697] exit_group(0) = ? [pid 3697] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./91/binderfs") = 0 [pid 3605] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./91/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./91/cgroup") = 0 [pid 3605] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./91/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./91/cgroup.net") = 0 [pid 3605] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./91/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./91/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./91") = 0 [pid 3605] mkdir("./92", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3698 attached [pid 3698] chdir("./92") = 0 [pid 3698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3698] setpgid(0, 0) = 0 [pid 3698] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3698] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3698] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3698] write(3, "1000", 4) = 4 [pid 3698] close(3) = 0 [pid 3698] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3698] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3698] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3698] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3698] openat(3, "freezer.state", O_RDWR) = 4 [pid 3698] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3698] close(3) = 0 [pid 3698] close(4) = 0 [pid 3698] close(5) = -1 EBADF (Bad file descriptor) [pid 3698] close(6) = -1 EBADF (Bad file descriptor) [pid 3698] close(7) = -1 EBADF (Bad file descriptor) [pid 3698] close(8) = -1 EBADF (Bad file descriptor) [pid 3698] close(9) = -1 EBADF (Bad file descriptor) [pid 3698] close(10) = -1 EBADF (Bad file descriptor) [pid 3698] close(11) = -1 EBADF (Bad file descriptor) [pid 3698] close(12) = -1 EBADF (Bad file descriptor) [pid 3698] close(13) = -1 EBADF (Bad file descriptor) [pid 3698] close(14) = -1 EBADF (Bad file descriptor) [pid 3698] close(15) = -1 EBADF (Bad file descriptor) [pid 3698] close(16) = -1 EBADF (Bad file descriptor) [pid 3698] close(17) = -1 EBADF (Bad file descriptor) [pid 3698] close(18) = -1 EBADF (Bad file descriptor) [pid 3698] close(19) = -1 EBADF (Bad file descriptor) [pid 3698] close(20) = -1 EBADF (Bad file descriptor) [pid 3698] close(21) = -1 EBADF (Bad file descriptor) [pid 3698] close(22) = -1 EBADF (Bad file descriptor) [pid 3698] close(23) = -1 EBADF (Bad file descriptor) [pid 3698] close(24) = -1 EBADF (Bad file descriptor) [pid 3698] close(25) = -1 EBADF (Bad file descriptor) [pid 3698] close(26) = -1 EBADF (Bad file descriptor) [pid 3698] close(27) = -1 EBADF (Bad file descriptor) [pid 3698] close(28) = -1 EBADF (Bad file descriptor) [pid 3698] close(29) = -1 EBADF (Bad file descriptor) [pid 3698] exit_group(0) = ? [pid 3698] +++ exited with 0 +++ [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 94 [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./92/binderfs") = 0 [pid 3605] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./92/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./92/cgroup") = 0 [pid 3605] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./92/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./92/cgroup.net") = 0 [pid 3605] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./92/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./92") = 0 [pid 3605] mkdir("./93", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3699 attached , child_tidptr=0x555556c0f5d0) = 95 [pid 3699] chdir("./93") = 0 [pid 3699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3699] setpgid(0, 0) = 0 [pid 3699] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3699] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3699] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3699] write(3, "1000", 4) = 4 [pid 3699] close(3) = 0 [pid 3699] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3699] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3699] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3699] openat(3, "freezer.state", O_RDWR) = 4 [pid 3699] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3699] close(3) = 0 [pid 3699] close(4) = 0 [pid 3699] close(5) = -1 EBADF (Bad file descriptor) [pid 3699] close(6) = -1 EBADF (Bad file descriptor) [pid 3699] close(7) = -1 EBADF (Bad file descriptor) [pid 3699] close(8) = -1 EBADF (Bad file descriptor) [pid 3699] close(9) = -1 EBADF (Bad file descriptor) [pid 3699] close(10) = -1 EBADF (Bad file descriptor) [pid 3699] close(11) = -1 EBADF (Bad file descriptor) [pid 3699] close(12) = -1 EBADF (Bad file descriptor) [pid 3699] close(13) = -1 EBADF (Bad file descriptor) [pid 3699] close(14) = -1 EBADF (Bad file descriptor) [pid 3699] close(15) = -1 EBADF (Bad file descriptor) [pid 3699] close(16) = -1 EBADF (Bad file descriptor) [pid 3699] close(17) = -1 EBADF (Bad file descriptor) [pid 3699] close(18) = -1 EBADF (Bad file descriptor) [pid 3699] close(19) = -1 EBADF (Bad file descriptor) [pid 3699] close(20) = -1 EBADF (Bad file descriptor) [pid 3699] close(21) = -1 EBADF (Bad file descriptor) [pid 3699] close(22) = -1 EBADF (Bad file descriptor) [pid 3699] close(23) = -1 EBADF (Bad file descriptor) [pid 3699] close(24) = -1 EBADF (Bad file descriptor) [pid 3699] close(25) = -1 EBADF (Bad file descriptor) [pid 3699] close(26) = -1 EBADF (Bad file descriptor) [pid 3699] close(27) = -1 EBADF (Bad file descriptor) [pid 3699] close(28) = -1 EBADF (Bad file descriptor) [pid 3699] close(29) = -1 EBADF (Bad file descriptor) [pid 3699] exit_group(0) = ? [pid 3699] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./93/binderfs") = 0 [pid 3605] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./93/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./93/cgroup") = 0 [pid 3605] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./93/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./93/cgroup.net") = 0 [pid 3605] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./93/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./93/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./93") = 0 [pid 3605] mkdir("./94", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3700 attached , child_tidptr=0x555556c0f5d0) = 96 [pid 3700] chdir("./94") = 0 [pid 3700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3700] setpgid(0, 0) = 0 [pid 3700] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3700] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3700] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3700] write(3, "1000", 4) = 4 [pid 3700] close(3) = 0 [pid 3700] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3700] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3700] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3700] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3700] openat(3, "freezer.state", O_RDWR) = 4 [pid 3700] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3700] close(3) = 0 [pid 3700] close(4) = 0 [pid 3700] close(5) = -1 EBADF (Bad file descriptor) [pid 3700] close(6) = -1 EBADF (Bad file descriptor) [pid 3700] close(7) = -1 EBADF (Bad file descriptor) [pid 3700] close(8) = -1 EBADF (Bad file descriptor) [pid 3700] close(9) = -1 EBADF (Bad file descriptor) [pid 3700] close(10) = -1 EBADF (Bad file descriptor) [pid 3700] close(11) = -1 EBADF (Bad file descriptor) [pid 3700] close(12) = -1 EBADF (Bad file descriptor) [pid 3700] close(13) = -1 EBADF (Bad file descriptor) [pid 3700] close(14) = -1 EBADF (Bad file descriptor) [pid 3700] close(15) = -1 EBADF (Bad file descriptor) [pid 3700] close(16) = -1 EBADF (Bad file descriptor) [pid 3700] close(17) = -1 EBADF (Bad file descriptor) [pid 3700] close(18) = -1 EBADF (Bad file descriptor) [pid 3700] close(19) = -1 EBADF (Bad file descriptor) [pid 3700] close(20) = -1 EBADF (Bad file descriptor) [pid 3700] close(21) = -1 EBADF (Bad file descriptor) [pid 3700] close(22) = -1 EBADF (Bad file descriptor) [pid 3700] close(23) = -1 EBADF (Bad file descriptor) [pid 3700] close(24) = -1 EBADF (Bad file descriptor) [pid 3700] close(25) = -1 EBADF (Bad file descriptor) [pid 3700] close(26) = -1 EBADF (Bad file descriptor) [pid 3700] close(27) = -1 EBADF (Bad file descriptor) [pid 3700] close(28) = -1 EBADF (Bad file descriptor) [pid 3700] close(29) = -1 EBADF (Bad file descriptor) [pid 3700] exit_group(0) = ? [pid 3700] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./94/binderfs") = 0 [pid 3605] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./94/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./94/cgroup") = 0 [pid 3605] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./94/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./94/cgroup.net") = 0 [pid 3605] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./94/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./94/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./94") = 0 [pid 3605] mkdir("./95", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3701 attached , child_tidptr=0x555556c0f5d0) = 97 [pid 3701] chdir("./95") = 0 [pid 3701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3701] setpgid(0, 0) = 0 [pid 3701] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3701] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3701] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3701] write(3, "1000", 4) = 4 [pid 3701] close(3) = 0 [pid 3701] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3701] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3701] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3701] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3701] openat(3, "freezer.state", O_RDWR) = 4 [pid 3701] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3701] close(3) = 0 [pid 3701] close(4) = 0 [pid 3701] close(5) = -1 EBADF (Bad file descriptor) [pid 3701] close(6) = -1 EBADF (Bad file descriptor) [pid 3701] close(7) = -1 EBADF (Bad file descriptor) [pid 3701] close(8) = -1 EBADF (Bad file descriptor) [pid 3701] close(9) = -1 EBADF (Bad file descriptor) [pid 3701] close(10) = -1 EBADF (Bad file descriptor) [pid 3701] close(11) = -1 EBADF (Bad file descriptor) [pid 3701] close(12) = -1 EBADF (Bad file descriptor) [pid 3701] close(13) = -1 EBADF (Bad file descriptor) [pid 3701] close(14) = -1 EBADF (Bad file descriptor) [pid 3701] close(15) = -1 EBADF (Bad file descriptor) [pid 3701] close(16) = -1 EBADF (Bad file descriptor) [pid 3701] close(17) = -1 EBADF (Bad file descriptor) [pid 3701] close(18) = -1 EBADF (Bad file descriptor) [pid 3701] close(19) = -1 EBADF (Bad file descriptor) [pid 3701] close(20) = -1 EBADF (Bad file descriptor) [pid 3701] close(21) = -1 EBADF (Bad file descriptor) [pid 3701] close(22) = -1 EBADF (Bad file descriptor) [pid 3701] close(23) = -1 EBADF (Bad file descriptor) [pid 3701] close(24) = -1 EBADF (Bad file descriptor) [pid 3701] close(25) = -1 EBADF (Bad file descriptor) [pid 3701] close(26) = -1 EBADF (Bad file descriptor) [pid 3701] close(27) = -1 EBADF (Bad file descriptor) [pid 3701] close(28) = -1 EBADF (Bad file descriptor) [pid 3701] close(29) = -1 EBADF (Bad file descriptor) [pid 3701] exit_group(0) = ? [pid 3701] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./95/binderfs") = 0 [pid 3605] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./95/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./95/cgroup") = 0 [pid 3605] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./95/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./95/cgroup.net") = 0 [pid 3605] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./95/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./95/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./95") = 0 [pid 3605] mkdir("./96", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3702 attached , child_tidptr=0x555556c0f5d0) = 98 [pid 3702] chdir("./96") = 0 [pid 3702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3702] setpgid(0, 0) = 0 [pid 3702] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3702] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3702] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3702] write(3, "1000", 4) = 4 [pid 3702] close(3) = 0 [pid 3702] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3702] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3702] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3702] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3702] openat(3, "freezer.state", O_RDWR) = 4 [pid 3702] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3702] close(3) = 0 [pid 3702] close(4) = 0 [pid 3702] close(5) = -1 EBADF (Bad file descriptor) [pid 3702] close(6) = -1 EBADF (Bad file descriptor) [pid 3702] close(7) = -1 EBADF (Bad file descriptor) [pid 3702] close(8) = -1 EBADF (Bad file descriptor) [pid 3702] close(9) = -1 EBADF (Bad file descriptor) [pid 3702] close(10) = -1 EBADF (Bad file descriptor) [pid 3702] close(11) = -1 EBADF (Bad file descriptor) [pid 3702] close(12) = -1 EBADF (Bad file descriptor) [pid 3702] close(13) = -1 EBADF (Bad file descriptor) [pid 3702] close(14) = -1 EBADF (Bad file descriptor) [pid 3702] close(15) = -1 EBADF (Bad file descriptor) [pid 3702] close(16) = -1 EBADF (Bad file descriptor) [pid 3702] close(17) = -1 EBADF (Bad file descriptor) [pid 3702] close(18) = -1 EBADF (Bad file descriptor) [pid 3702] close(19) = -1 EBADF (Bad file descriptor) [pid 3702] close(20) = -1 EBADF (Bad file descriptor) [pid 3702] close(21) = -1 EBADF (Bad file descriptor) [pid 3702] close(22) = -1 EBADF (Bad file descriptor) [pid 3702] close(23) = -1 EBADF (Bad file descriptor) [pid 3702] close(24) = -1 EBADF (Bad file descriptor) [pid 3702] close(25) = -1 EBADF (Bad file descriptor) [pid 3702] close(26) = -1 EBADF (Bad file descriptor) [pid 3702] close(27) = -1 EBADF (Bad file descriptor) [pid 3702] close(28) = -1 EBADF (Bad file descriptor) [pid 3702] close(29) = -1 EBADF (Bad file descriptor) [pid 3702] exit_group(0) = ? [pid 3702] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./96/binderfs") = 0 [pid 3605] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./96/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./96/cgroup") = 0 [pid 3605] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./96/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./96/cgroup.net") = 0 [pid 3605] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./96/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./96/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./96") = 0 [pid 3605] mkdir("./97", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3703 attached , child_tidptr=0x555556c0f5d0) = 99 [pid 3703] chdir("./97") = 0 [pid 3703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3703] setpgid(0, 0) = 0 [pid 3703] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3703] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3703] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3703] write(3, "1000", 4) = 4 [pid 3703] close(3) = 0 [pid 3703] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3703] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3703] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3703] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3703] openat(3, "freezer.state", O_RDWR) = 4 [pid 3703] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3703] close(3) = 0 [pid 3703] close(4) = 0 [pid 3703] close(5) = -1 EBADF (Bad file descriptor) [pid 3703] close(6) = -1 EBADF (Bad file descriptor) [pid 3703] close(7) = -1 EBADF (Bad file descriptor) [pid 3703] close(8) = -1 EBADF (Bad file descriptor) [pid 3703] close(9) = -1 EBADF (Bad file descriptor) [pid 3703] close(10) = -1 EBADF (Bad file descriptor) [pid 3703] close(11) = -1 EBADF (Bad file descriptor) [pid 3703] close(12) = -1 EBADF (Bad file descriptor) [pid 3703] close(13) = -1 EBADF (Bad file descriptor) [pid 3703] close(14) = -1 EBADF (Bad file descriptor) [pid 3703] close(15) = -1 EBADF (Bad file descriptor) [pid 3703] close(16) = -1 EBADF (Bad file descriptor) [pid 3703] close(17) = -1 EBADF (Bad file descriptor) [pid 3703] close(18) = -1 EBADF (Bad file descriptor) [pid 3703] close(19) = -1 EBADF (Bad file descriptor) [pid 3703] close(20) = -1 EBADF (Bad file descriptor) [pid 3703] close(21) = -1 EBADF (Bad file descriptor) [pid 3703] close(22) = -1 EBADF (Bad file descriptor) [pid 3703] close(23) = -1 EBADF (Bad file descriptor) [pid 3703] close(24) = -1 EBADF (Bad file descriptor) [pid 3703] close(25) = -1 EBADF (Bad file descriptor) [pid 3703] close(26) = -1 EBADF (Bad file descriptor) [pid 3703] close(27) = -1 EBADF (Bad file descriptor) [pid 3703] close(28) = -1 EBADF (Bad file descriptor) [pid 3703] close(29) = -1 EBADF (Bad file descriptor) [pid 3703] exit_group(0) = ? [pid 3703] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./97/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./97/binderfs") = 0 [pid 3605] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./97/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./97/cgroup") = 0 [pid 3605] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./97/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./97/cgroup.net") = 0 [pid 3605] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./97/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./97/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./97") = 0 [pid 3605] mkdir("./98", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3704 attached , child_tidptr=0x555556c0f5d0) = 100 [pid 3704] chdir("./98") = 0 [pid 3704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3704] setpgid(0, 0) = 0 [pid 3704] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3704] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3704] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3704] write(3, "1000", 4) = 4 [pid 3704] close(3) = 0 [pid 3704] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3704] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3704] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3704] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3704] openat(3, "freezer.state", O_RDWR) = 4 [pid 3704] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3704] close(3) = 0 [pid 3704] close(4) = 0 [pid 3704] close(5) = -1 EBADF (Bad file descriptor) [pid 3704] close(6) = -1 EBADF (Bad file descriptor) [pid 3704] close(7) = -1 EBADF (Bad file descriptor) [pid 3704] close(8) = -1 EBADF (Bad file descriptor) [pid 3704] close(9) = -1 EBADF (Bad file descriptor) [pid 3704] close(10) = -1 EBADF (Bad file descriptor) [pid 3704] close(11) = -1 EBADF (Bad file descriptor) [pid 3704] close(12) = -1 EBADF (Bad file descriptor) [pid 3704] close(13) = -1 EBADF (Bad file descriptor) [pid 3704] close(14) = -1 EBADF (Bad file descriptor) [pid 3704] close(15) = -1 EBADF (Bad file descriptor) [pid 3704] close(16) = -1 EBADF (Bad file descriptor) [pid 3704] close(17) = -1 EBADF (Bad file descriptor) [pid 3704] close(18) = -1 EBADF (Bad file descriptor) [pid 3704] close(19) = -1 EBADF (Bad file descriptor) [pid 3704] close(20) = -1 EBADF (Bad file descriptor) [pid 3704] close(21) = -1 EBADF (Bad file descriptor) [pid 3704] close(22) = -1 EBADF (Bad file descriptor) [pid 3704] close(23) = -1 EBADF (Bad file descriptor) [pid 3704] close(24) = -1 EBADF (Bad file descriptor) [pid 3704] close(25) = -1 EBADF (Bad file descriptor) [pid 3704] close(26) = -1 EBADF (Bad file descriptor) [pid 3704] close(27) = -1 EBADF (Bad file descriptor) [pid 3704] close(28) = -1 EBADF (Bad file descriptor) [pid 3704] close(29) = -1 EBADF (Bad file descriptor) [pid 3704] exit_group(0) = ? [pid 3704] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./98/binderfs") = 0 [pid 3605] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./98/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./98/cgroup") = 0 [pid 3605] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./98/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./98/cgroup.net") = 0 [pid 3605] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./98/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./98/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./98") = 0 [pid 3605] mkdir("./99", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3705 attached , child_tidptr=0x555556c0f5d0) = 101 [pid 3705] chdir("./99") = 0 [pid 3705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3705] setpgid(0, 0) = 0 [pid 3705] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3705] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3705] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3705] write(3, "1000", 4) = 4 [pid 3705] close(3) = 0 [pid 3705] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3705] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3705] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3705] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3705] openat(3, "freezer.state", O_RDWR) = 4 [pid 3705] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3705] close(3) = 0 [pid 3705] close(4) = 0 [pid 3705] close(5) = -1 EBADF (Bad file descriptor) [pid 3705] close(6) = -1 EBADF (Bad file descriptor) [pid 3705] close(7) = -1 EBADF (Bad file descriptor) [pid 3705] close(8) = -1 EBADF (Bad file descriptor) [pid 3705] close(9) = -1 EBADF (Bad file descriptor) [pid 3705] close(10) = -1 EBADF (Bad file descriptor) [pid 3705] close(11) = -1 EBADF (Bad file descriptor) [pid 3705] close(12) = -1 EBADF (Bad file descriptor) [pid 3705] close(13) = -1 EBADF (Bad file descriptor) [pid 3705] close(14) = -1 EBADF (Bad file descriptor) [pid 3705] close(15) = -1 EBADF (Bad file descriptor) [pid 3705] close(16) = -1 EBADF (Bad file descriptor) [pid 3705] close(17) = -1 EBADF (Bad file descriptor) [pid 3705] close(18) = -1 EBADF (Bad file descriptor) [pid 3705] close(19) = -1 EBADF (Bad file descriptor) [pid 3705] close(20) = -1 EBADF (Bad file descriptor) [pid 3705] close(21) = -1 EBADF (Bad file descriptor) [pid 3705] close(22) = -1 EBADF (Bad file descriptor) [pid 3705] close(23) = -1 EBADF (Bad file descriptor) [pid 3705] close(24) = -1 EBADF (Bad file descriptor) [pid 3705] close(25) = -1 EBADF (Bad file descriptor) [pid 3705] close(26) = -1 EBADF (Bad file descriptor) [pid 3705] close(27) = -1 EBADF (Bad file descriptor) [pid 3705] close(28) = -1 EBADF (Bad file descriptor) [pid 3705] close(29) = -1 EBADF (Bad file descriptor) [pid 3705] exit_group(0) = ? [pid 3705] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=101, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./99/binderfs") = 0 [pid 3605] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./99/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./99/cgroup") = 0 [pid 3605] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./99/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./99/cgroup.net") = 0 [pid 3605] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./99/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./99/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./99") = 0 [pid 3605] mkdir("./100", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3706 attached [pid 3706] chdir("./100") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 102 [pid 3706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3706] setpgid(0, 0) = 0 [pid 3706] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3706] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3706] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3706] write(3, "1000", 4) = 4 [pid 3706] close(3) = 0 [pid 3706] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3706] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3706] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3706] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3706] openat(3, "freezer.state", O_RDWR) = 4 [pid 3706] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3706] close(3) = 0 [pid 3706] close(4) = 0 [pid 3706] close(5) = -1 EBADF (Bad file descriptor) [pid 3706] close(6) = -1 EBADF (Bad file descriptor) [pid 3706] close(7) = -1 EBADF (Bad file descriptor) [pid 3706] close(8) = -1 EBADF (Bad file descriptor) [pid 3706] close(9) = -1 EBADF (Bad file descriptor) [pid 3706] close(10) = -1 EBADF (Bad file descriptor) [pid 3706] close(11) = -1 EBADF (Bad file descriptor) [pid 3706] close(12) = -1 EBADF (Bad file descriptor) [pid 3706] close(13) = -1 EBADF (Bad file descriptor) [pid 3706] close(14) = -1 EBADF (Bad file descriptor) [pid 3706] close(15) = -1 EBADF (Bad file descriptor) [pid 3706] close(16) = -1 EBADF (Bad file descriptor) [pid 3706] close(17) = -1 EBADF (Bad file descriptor) [pid 3706] close(18) = -1 EBADF (Bad file descriptor) [pid 3706] close(19) = -1 EBADF (Bad file descriptor) [pid 3706] close(20) = -1 EBADF (Bad file descriptor) [pid 3706] close(21) = -1 EBADF (Bad file descriptor) [pid 3706] close(22) = -1 EBADF (Bad file descriptor) [pid 3706] close(23) = -1 EBADF (Bad file descriptor) [pid 3706] close(24) = -1 EBADF (Bad file descriptor) [pid 3706] close(25) = -1 EBADF (Bad file descriptor) [pid 3706] close(26) = -1 EBADF (Bad file descriptor) [pid 3706] close(27) = -1 EBADF (Bad file descriptor) [pid 3706] close(28) = -1 EBADF (Bad file descriptor) [pid 3706] close(29) = -1 EBADF (Bad file descriptor) [pid 3706] exit_group(0) = ? [pid 3706] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./100/binderfs") = 0 [pid 3605] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./100/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./100/cgroup") = 0 [pid 3605] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./100/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./100/cgroup.net") = 0 [pid 3605] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./100/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./100/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./100") = 0 [pid 3605] mkdir("./101", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3707 attached [pid 3707] chdir("./101") = 0 [pid 3707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 103 [pid 3707] setpgid(0, 0) = 0 [pid 3707] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3707] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3707] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3707] write(3, "1000", 4) = 4 [pid 3707] close(3) = 0 [pid 3707] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3707] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3707] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3707] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3707] openat(3, "freezer.state", O_RDWR) = 4 [pid 3707] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3707] close(3) = 0 [pid 3707] close(4) = 0 [pid 3707] close(5) = -1 EBADF (Bad file descriptor) [pid 3707] close(6) = -1 EBADF (Bad file descriptor) [pid 3707] close(7) = -1 EBADF (Bad file descriptor) [pid 3707] close(8) = -1 EBADF (Bad file descriptor) [pid 3707] close(9) = -1 EBADF (Bad file descriptor) [pid 3707] close(10) = -1 EBADF (Bad file descriptor) [pid 3707] close(11) = -1 EBADF (Bad file descriptor) [pid 3707] close(12) = -1 EBADF (Bad file descriptor) [pid 3707] close(13) = -1 EBADF (Bad file descriptor) [pid 3707] close(14) = -1 EBADF (Bad file descriptor) [pid 3707] close(15) = -1 EBADF (Bad file descriptor) [pid 3707] close(16) = -1 EBADF (Bad file descriptor) [pid 3707] close(17) = -1 EBADF (Bad file descriptor) [pid 3707] close(18) = -1 EBADF (Bad file descriptor) [pid 3707] close(19) = -1 EBADF (Bad file descriptor) [pid 3707] close(20) = -1 EBADF (Bad file descriptor) [pid 3707] close(21) = -1 EBADF (Bad file descriptor) [pid 3707] close(22) = -1 EBADF (Bad file descriptor) [pid 3707] close(23) = -1 EBADF (Bad file descriptor) [pid 3707] close(24) = -1 EBADF (Bad file descriptor) [pid 3707] close(25) = -1 EBADF (Bad file descriptor) [pid 3707] close(26) = -1 EBADF (Bad file descriptor) [pid 3707] close(27) = -1 EBADF (Bad file descriptor) [pid 3707] close(28) = -1 EBADF (Bad file descriptor) [pid 3707] close(29) = -1 EBADF (Bad file descriptor) [pid 3707] exit_group(0) = ? [pid 3707] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./101/binderfs") = 0 [pid 3605] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./101/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./101/cgroup") = 0 [pid 3605] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./101/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./101/cgroup.net") = 0 [pid 3605] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./101/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./101/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./101") = 0 [pid 3605] mkdir("./102", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3708 attached [pid 3708] chdir("./102") = 0 [pid 3708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3708] setpgid(0, 0) = 0 [pid 3708] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 104 [pid 3708] <... symlink resumed>) = 0 [pid 3708] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3708] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3708] write(3, "1000", 4) = 4 [pid 3708] close(3) = 0 [pid 3708] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3708] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3708] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3708] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3708] openat(3, "freezer.state", O_RDWR) = 4 [pid 3708] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3708] close(3) = 0 [pid 3708] close(4) = 0 [pid 3708] close(5) = -1 EBADF (Bad file descriptor) [pid 3708] close(6) = -1 EBADF (Bad file descriptor) [pid 3708] close(7) = -1 EBADF (Bad file descriptor) [pid 3708] close(8) = -1 EBADF (Bad file descriptor) [pid 3708] close(9) = -1 EBADF (Bad file descriptor) [pid 3708] close(10) = -1 EBADF (Bad file descriptor) [pid 3708] close(11) = -1 EBADF (Bad file descriptor) [pid 3708] close(12) = -1 EBADF (Bad file descriptor) [pid 3708] close(13) = -1 EBADF (Bad file descriptor) [pid 3708] close(14) = -1 EBADF (Bad file descriptor) [pid 3708] close(15) = -1 EBADF (Bad file descriptor) [pid 3708] close(16) = -1 EBADF (Bad file descriptor) [pid 3708] close(17) = -1 EBADF (Bad file descriptor) [pid 3708] close(18) = -1 EBADF (Bad file descriptor) [pid 3708] close(19) = -1 EBADF (Bad file descriptor) [pid 3708] close(20) = -1 EBADF (Bad file descriptor) [pid 3708] close(21) = -1 EBADF (Bad file descriptor) [pid 3708] close(22) = -1 EBADF (Bad file descriptor) [pid 3708] close(23) = -1 EBADF (Bad file descriptor) [pid 3708] close(24) = -1 EBADF (Bad file descriptor) [pid 3708] close(25) = -1 EBADF (Bad file descriptor) [pid 3708] close(26) = -1 EBADF (Bad file descriptor) [pid 3708] close(27) = -1 EBADF (Bad file descriptor) [pid 3708] close(28) = -1 EBADF (Bad file descriptor) [pid 3708] close(29) = -1 EBADF (Bad file descriptor) [pid 3708] exit_group(0) = ? [pid 3708] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./102/binderfs") = 0 [pid 3605] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./102/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./102/cgroup") = 0 [pid 3605] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./102/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./102/cgroup.net") = 0 [pid 3605] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./102/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./102/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./102") = 0 [pid 3605] mkdir("./103", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3709 attached [pid 3709] chdir("./103") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 105 [pid 3709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3709] setpgid(0, 0) = 0 [pid 3709] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3709] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3709] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3709] write(3, "1000", 4) = 4 [pid 3709] close(3) = 0 [pid 3709] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3709] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3709] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3709] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3709] openat(3, "freezer.state", O_RDWR) = 4 [pid 3709] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3709] close(3) = 0 [pid 3709] close(4) = 0 [pid 3709] close(5) = -1 EBADF (Bad file descriptor) [pid 3709] close(6) = -1 EBADF (Bad file descriptor) [pid 3709] close(7) = -1 EBADF (Bad file descriptor) [pid 3709] close(8) = -1 EBADF (Bad file descriptor) [pid 3709] close(9) = -1 EBADF (Bad file descriptor) [pid 3709] close(10) = -1 EBADF (Bad file descriptor) [pid 3709] close(11) = -1 EBADF (Bad file descriptor) [pid 3709] close(12) = -1 EBADF (Bad file descriptor) [pid 3709] close(13) = -1 EBADF (Bad file descriptor) [pid 3709] close(14) = -1 EBADF (Bad file descriptor) [pid 3709] close(15) = -1 EBADF (Bad file descriptor) [pid 3709] close(16) = -1 EBADF (Bad file descriptor) [pid 3709] close(17) = -1 EBADF (Bad file descriptor) [pid 3709] close(18) = -1 EBADF (Bad file descriptor) [pid 3709] close(19) = -1 EBADF (Bad file descriptor) [pid 3709] close(20) = -1 EBADF (Bad file descriptor) [pid 3709] close(21) = -1 EBADF (Bad file descriptor) [pid 3709] close(22) = -1 EBADF (Bad file descriptor) [pid 3709] close(23) = -1 EBADF (Bad file descriptor) [pid 3709] close(24) = -1 EBADF (Bad file descriptor) [pid 3709] close(25) = -1 EBADF (Bad file descriptor) [pid 3709] close(26) = -1 EBADF (Bad file descriptor) [pid 3709] close(27) = -1 EBADF (Bad file descriptor) [pid 3709] close(28) = -1 EBADF (Bad file descriptor) [pid 3709] close(29) = -1 EBADF (Bad file descriptor) [pid 3709] exit_group(0) = ? [pid 3709] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./103/binderfs") = 0 [pid 3605] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./103/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./103/cgroup") = 0 [pid 3605] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./103/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./103/cgroup.net") = 0 [pid 3605] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./103/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./103/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./103") = 0 [pid 3605] mkdir("./104", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3710 attached [pid 3710] chdir("./104") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 106 [pid 3710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3710] setpgid(0, 0) = 0 [pid 3710] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3710] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3710] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3710] write(3, "1000", 4) = 4 [pid 3710] close(3) = 0 [pid 3710] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3710] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3710] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3710] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3710] openat(3, "freezer.state", O_RDWR) = 4 [pid 3710] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3710] close(3) = 0 [pid 3710] close(4) = 0 [pid 3710] close(5) = -1 EBADF (Bad file descriptor) [pid 3710] close(6) = -1 EBADF (Bad file descriptor) [pid 3710] close(7) = -1 EBADF (Bad file descriptor) [pid 3710] close(8) = -1 EBADF (Bad file descriptor) [pid 3710] close(9) = -1 EBADF (Bad file descriptor) [pid 3710] close(10) = -1 EBADF (Bad file descriptor) [pid 3710] close(11) = -1 EBADF (Bad file descriptor) [pid 3710] close(12) = -1 EBADF (Bad file descriptor) [pid 3710] close(13) = -1 EBADF (Bad file descriptor) [pid 3710] close(14) = -1 EBADF (Bad file descriptor) [pid 3710] close(15) = -1 EBADF (Bad file descriptor) [pid 3710] close(16) = -1 EBADF (Bad file descriptor) [pid 3710] close(17) = -1 EBADF (Bad file descriptor) [pid 3710] close(18) = -1 EBADF (Bad file descriptor) [pid 3710] close(19) = -1 EBADF (Bad file descriptor) [pid 3710] close(20) = -1 EBADF (Bad file descriptor) [pid 3710] close(21) = -1 EBADF (Bad file descriptor) [pid 3710] close(22) = -1 EBADF (Bad file descriptor) [pid 3710] close(23) = -1 EBADF (Bad file descriptor) [pid 3710] close(24) = -1 EBADF (Bad file descriptor) [pid 3710] close(25) = -1 EBADF (Bad file descriptor) [pid 3710] close(26) = -1 EBADF (Bad file descriptor) [pid 3710] close(27) = -1 EBADF (Bad file descriptor) [pid 3710] close(28) = -1 EBADF (Bad file descriptor) [pid 3710] close(29) = -1 EBADF (Bad file descriptor) [pid 3710] exit_group(0) = ? [pid 3710] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./104/binderfs") = 0 [pid 3605] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./104/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./104/cgroup") = 0 [pid 3605] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./104/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./104/cgroup.net") = 0 [pid 3605] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./104/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./104/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./104") = 0 [pid 3605] mkdir("./105", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3711 attached [pid 3711] chdir("./105" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 107 [pid 3711] <... chdir resumed>) = 0 [pid 3711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3711] setpgid(0, 0) = 0 [pid 3711] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3711] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3711] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3711] write(3, "1000", 4) = 4 [pid 3711] close(3) = 0 [pid 3711] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3711] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3711] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3711] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3711] openat(3, "freezer.state", O_RDWR) = 4 [pid 3711] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3711] close(3) = 0 [pid 3711] close(4) = 0 [pid 3711] close(5) = -1 EBADF (Bad file descriptor) [pid 3711] close(6) = -1 EBADF (Bad file descriptor) [pid 3711] close(7) = -1 EBADF (Bad file descriptor) [pid 3711] close(8) = -1 EBADF (Bad file descriptor) [pid 3711] close(9) = -1 EBADF (Bad file descriptor) [pid 3711] close(10) = -1 EBADF (Bad file descriptor) [pid 3711] close(11) = -1 EBADF (Bad file descriptor) [pid 3711] close(12) = -1 EBADF (Bad file descriptor) [pid 3711] close(13) = -1 EBADF (Bad file descriptor) [pid 3711] close(14) = -1 EBADF (Bad file descriptor) [pid 3711] close(15) = -1 EBADF (Bad file descriptor) [pid 3711] close(16) = -1 EBADF (Bad file descriptor) [pid 3711] close(17) = -1 EBADF (Bad file descriptor) [pid 3711] close(18) = -1 EBADF (Bad file descriptor) [pid 3711] close(19) = -1 EBADF (Bad file descriptor) [pid 3711] close(20) = -1 EBADF (Bad file descriptor) [pid 3711] close(21) = -1 EBADF (Bad file descriptor) [pid 3711] close(22) = -1 EBADF (Bad file descriptor) [pid 3711] close(23) = -1 EBADF (Bad file descriptor) [pid 3711] close(24) = -1 EBADF (Bad file descriptor) [pid 3711] close(25) = -1 EBADF (Bad file descriptor) [pid 3711] close(26) = -1 EBADF (Bad file descriptor) [pid 3711] close(27) = -1 EBADF (Bad file descriptor) [pid 3711] close(28) = -1 EBADF (Bad file descriptor) [pid 3711] close(29) = -1 EBADF (Bad file descriptor) [pid 3711] exit_group(0) = ? [pid 3711] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./105/binderfs") = 0 [pid 3605] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./105/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./105/cgroup") = 0 [pid 3605] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./105/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./105/cgroup.net") = 0 [pid 3605] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./105/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./105/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./105") = 0 [pid 3605] mkdir("./106", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3712 attached [pid 3712] chdir("./106") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 108 [pid 3712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3712] setpgid(0, 0) = 0 [pid 3712] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3712] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3712] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3712] write(3, "1000", 4) = 4 [pid 3712] close(3) = 0 [pid 3712] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3712] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3712] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3712] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3712] openat(3, "freezer.state", O_RDWR) = 4 [pid 3712] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3712] close(3) = 0 [pid 3712] close(4) = 0 [pid 3712] close(5) = -1 EBADF (Bad file descriptor) [pid 3712] close(6) = -1 EBADF (Bad file descriptor) [pid 3712] close(7) = -1 EBADF (Bad file descriptor) [pid 3712] close(8) = -1 EBADF (Bad file descriptor) [pid 3712] close(9) = -1 EBADF (Bad file descriptor) [pid 3712] close(10) = -1 EBADF (Bad file descriptor) [pid 3712] close(11) = -1 EBADF (Bad file descriptor) [pid 3712] close(12) = -1 EBADF (Bad file descriptor) [pid 3712] close(13) = -1 EBADF (Bad file descriptor) [pid 3712] close(14) = -1 EBADF (Bad file descriptor) [pid 3712] close(15) = -1 EBADF (Bad file descriptor) [pid 3712] close(16) = -1 EBADF (Bad file descriptor) [pid 3712] close(17) = -1 EBADF (Bad file descriptor) [pid 3712] close(18) = -1 EBADF (Bad file descriptor) [pid 3712] close(19) = -1 EBADF (Bad file descriptor) [pid 3712] close(20) = -1 EBADF (Bad file descriptor) [pid 3712] close(21) = -1 EBADF (Bad file descriptor) [pid 3712] close(22) = -1 EBADF (Bad file descriptor) [pid 3712] close(23) = -1 EBADF (Bad file descriptor) [pid 3712] close(24) = -1 EBADF (Bad file descriptor) [pid 3712] close(25) = -1 EBADF (Bad file descriptor) [pid 3712] close(26) = -1 EBADF (Bad file descriptor) [pid 3712] close(27) = -1 EBADF (Bad file descriptor) [pid 3712] close(28) = -1 EBADF (Bad file descriptor) [pid 3712] close(29) = -1 EBADF (Bad file descriptor) [pid 3712] exit_group(0) = ? [pid 3712] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./106/binderfs") = 0 [pid 3605] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./106/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./106/cgroup") = 0 [pid 3605] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./106/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./106/cgroup.net") = 0 [pid 3605] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./106/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./106/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./106") = 0 [pid 3605] mkdir("./107", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3713 attached , child_tidptr=0x555556c0f5d0) = 109 [pid 3713] chdir("./107") = 0 [pid 3713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3713] setpgid(0, 0) = 0 [pid 3713] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3713] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3713] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3713] write(3, "1000", 4) = 4 [pid 3713] close(3) = 0 [pid 3713] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3713] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3713] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3713] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3713] openat(3, "freezer.state", O_RDWR) = 4 [pid 3713] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3713] close(3) = 0 [pid 3713] close(4) = 0 [pid 3713] close(5) = -1 EBADF (Bad file descriptor) [pid 3713] close(6) = -1 EBADF (Bad file descriptor) [pid 3713] close(7) = -1 EBADF (Bad file descriptor) [pid 3713] close(8) = -1 EBADF (Bad file descriptor) [pid 3713] close(9) = -1 EBADF (Bad file descriptor) [pid 3713] close(10) = -1 EBADF (Bad file descriptor) [pid 3713] close(11) = -1 EBADF (Bad file descriptor) [pid 3713] close(12) = -1 EBADF (Bad file descriptor) [pid 3713] close(13) = -1 EBADF (Bad file descriptor) [pid 3713] close(14) = -1 EBADF (Bad file descriptor) [pid 3713] close(15) = -1 EBADF (Bad file descriptor) [pid 3713] close(16) = -1 EBADF (Bad file descriptor) [pid 3713] close(17) = -1 EBADF (Bad file descriptor) [pid 3713] close(18) = -1 EBADF (Bad file descriptor) [pid 3713] close(19) = -1 EBADF (Bad file descriptor) [pid 3713] close(20) = -1 EBADF (Bad file descriptor) [pid 3713] close(21) = -1 EBADF (Bad file descriptor) [pid 3713] close(22) = -1 EBADF (Bad file descriptor) [pid 3713] close(23) = -1 EBADF (Bad file descriptor) [pid 3713] close(24) = -1 EBADF (Bad file descriptor) [pid 3713] close(25) = -1 EBADF (Bad file descriptor) [pid 3713] close(26) = -1 EBADF (Bad file descriptor) [pid 3713] close(27) = -1 EBADF (Bad file descriptor) [pid 3713] close(28) = -1 EBADF (Bad file descriptor) [pid 3713] close(29) = -1 EBADF (Bad file descriptor) [pid 3713] exit_group(0) = ? [pid 3713] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./107/binderfs") = 0 [pid 3605] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./107/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./107/cgroup") = 0 [pid 3605] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./107/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./107/cgroup.net") = 0 [pid 3605] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./107/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./107/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./107") = 0 [pid 3605] mkdir("./108", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3714 attached , child_tidptr=0x555556c0f5d0) = 110 [pid 3714] chdir("./108") = 0 [pid 3714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3714] setpgid(0, 0) = 0 [pid 3714] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3714] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3714] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3714] write(3, "1000", 4) = 4 [pid 3714] close(3) = 0 [pid 3714] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3714] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3714] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3714] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3714] openat(3, "freezer.state", O_RDWR) = 4 [pid 3714] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3714] close(3) = 0 [pid 3714] close(4) = 0 [pid 3714] close(5) = -1 EBADF (Bad file descriptor) [pid 3714] close(6) = -1 EBADF (Bad file descriptor) [pid 3714] close(7) = -1 EBADF (Bad file descriptor) [pid 3714] close(8) = -1 EBADF (Bad file descriptor) [pid 3714] close(9) = -1 EBADF (Bad file descriptor) [pid 3714] close(10) = -1 EBADF (Bad file descriptor) [pid 3714] close(11) = -1 EBADF (Bad file descriptor) [pid 3714] close(12) = -1 EBADF (Bad file descriptor) [pid 3714] close(13) = -1 EBADF (Bad file descriptor) [pid 3714] close(14) = -1 EBADF (Bad file descriptor) [pid 3714] close(15) = -1 EBADF (Bad file descriptor) [pid 3714] close(16) = -1 EBADF (Bad file descriptor) [pid 3714] close(17) = -1 EBADF (Bad file descriptor) [pid 3714] close(18) = -1 EBADF (Bad file descriptor) [pid 3714] close(19) = -1 EBADF (Bad file descriptor) [pid 3714] close(20) = -1 EBADF (Bad file descriptor) [pid 3714] close(21) = -1 EBADF (Bad file descriptor) [pid 3714] close(22) = -1 EBADF (Bad file descriptor) [pid 3714] close(23) = -1 EBADF (Bad file descriptor) [pid 3714] close(24) = -1 EBADF (Bad file descriptor) [pid 3714] close(25) = -1 EBADF (Bad file descriptor) [pid 3714] close(26) = -1 EBADF (Bad file descriptor) [pid 3714] close(27) = -1 EBADF (Bad file descriptor) [pid 3714] close(28) = -1 EBADF (Bad file descriptor) [pid 3714] close(29) = -1 EBADF (Bad file descriptor) [pid 3714] exit_group(0) = ? [pid 3714] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./108/binderfs") = 0 [pid 3605] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./108/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./108/cgroup") = 0 [pid 3605] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./108/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./108/cgroup.net") = 0 [pid 3605] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./108/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./108/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./108") = 0 [pid 3605] mkdir("./109", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 111 ./strace-static-x86_64: Process 3715 attached [pid 3715] chdir("./109") = 0 [pid 3715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3715] setpgid(0, 0) = 0 [pid 3715] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3715] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3715] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3715] write(3, "1000", 4) = 4 [pid 3715] close(3) = 0 [pid 3715] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3715] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3715] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3715] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3715] openat(3, "freezer.state", O_RDWR) = 4 [pid 3715] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3715] close(3) = 0 [pid 3715] close(4) = 0 [pid 3715] close(5) = -1 EBADF (Bad file descriptor) [pid 3715] close(6) = -1 EBADF (Bad file descriptor) [pid 3715] close(7) = -1 EBADF (Bad file descriptor) [pid 3715] close(8) = -1 EBADF (Bad file descriptor) [pid 3715] close(9) = -1 EBADF (Bad file descriptor) [pid 3715] close(10) = -1 EBADF (Bad file descriptor) [pid 3715] close(11) = -1 EBADF (Bad file descriptor) [pid 3715] close(12) = -1 EBADF (Bad file descriptor) [pid 3715] close(13) = -1 EBADF (Bad file descriptor) [pid 3715] close(14) = -1 EBADF (Bad file descriptor) [pid 3715] close(15) = -1 EBADF (Bad file descriptor) [pid 3715] close(16) = -1 EBADF (Bad file descriptor) [pid 3715] close(17) = -1 EBADF (Bad file descriptor) [pid 3715] close(18) = -1 EBADF (Bad file descriptor) [pid 3715] close(19) = -1 EBADF (Bad file descriptor) [pid 3715] close(20) = -1 EBADF (Bad file descriptor) [pid 3715] close(21) = -1 EBADF (Bad file descriptor) [pid 3715] close(22) = -1 EBADF (Bad file descriptor) [pid 3715] close(23) = -1 EBADF (Bad file descriptor) [pid 3715] close(24) = -1 EBADF (Bad file descriptor) [pid 3715] close(25) = -1 EBADF (Bad file descriptor) [pid 3715] close(26) = -1 EBADF (Bad file descriptor) [pid 3715] close(27) = -1 EBADF (Bad file descriptor) [pid 3715] close(28) = -1 EBADF (Bad file descriptor) [pid 3715] close(29) = -1 EBADF (Bad file descriptor) [pid 3715] exit_group(0) = ? [pid 3715] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./109/binderfs") = 0 [pid 3605] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./109/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./109/cgroup") = 0 [pid 3605] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./109/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./109/cgroup.net") = 0 [pid 3605] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./109/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./109/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./109") = 0 [pid 3605] mkdir("./110", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3716 attached , child_tidptr=0x555556c0f5d0) = 112 [pid 3716] chdir("./110") = 0 [pid 3716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3716] setpgid(0, 0) = 0 [pid 3716] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3716] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3716] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3716] write(3, "1000", 4) = 4 [pid 3716] close(3) = 0 [pid 3716] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3716] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3716] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3716] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3716] openat(3, "freezer.state", O_RDWR) = 4 [pid 3716] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3716] close(3) = 0 [pid 3716] close(4) = 0 [pid 3716] close(5) = -1 EBADF (Bad file descriptor) [pid 3716] close(6) = -1 EBADF (Bad file descriptor) [pid 3716] close(7) = -1 EBADF (Bad file descriptor) [pid 3716] close(8) = -1 EBADF (Bad file descriptor) [pid 3716] close(9) = -1 EBADF (Bad file descriptor) [pid 3716] close(10) = -1 EBADF (Bad file descriptor) [pid 3716] close(11) = -1 EBADF (Bad file descriptor) [pid 3716] close(12) = -1 EBADF (Bad file descriptor) [pid 3716] close(13) = -1 EBADF (Bad file descriptor) [pid 3716] close(14) = -1 EBADF (Bad file descriptor) [pid 3716] close(15) = -1 EBADF (Bad file descriptor) [pid 3716] close(16) = -1 EBADF (Bad file descriptor) [pid 3716] close(17) = -1 EBADF (Bad file descriptor) [pid 3716] close(18) = -1 EBADF (Bad file descriptor) [pid 3716] close(19) = -1 EBADF (Bad file descriptor) [pid 3716] close(20) = -1 EBADF (Bad file descriptor) [pid 3716] close(21) = -1 EBADF (Bad file descriptor) [pid 3716] close(22) = -1 EBADF (Bad file descriptor) [pid 3716] close(23) = -1 EBADF (Bad file descriptor) [pid 3716] close(24) = -1 EBADF (Bad file descriptor) [pid 3716] close(25) = -1 EBADF (Bad file descriptor) [pid 3716] close(26) = -1 EBADF (Bad file descriptor) [pid 3716] close(27) = -1 EBADF (Bad file descriptor) [pid 3716] close(28) = -1 EBADF (Bad file descriptor) [pid 3716] close(29) = -1 EBADF (Bad file descriptor) [pid 3716] exit_group(0) = ? [pid 3716] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./110/binderfs") = 0 [pid 3605] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./110/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./110/cgroup") = 0 [pid 3605] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./110/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./110/cgroup.net") = 0 [pid 3605] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./110/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./110/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./110") = 0 [pid 3605] mkdir("./111", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3717 attached [pid 3717] chdir("./111") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 113 [pid 3717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3717] setpgid(0, 0) = 0 [pid 3717] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3717] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3717] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3717] write(3, "1000", 4) = 4 [pid 3717] close(3) = 0 [pid 3717] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3717] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3717] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3717] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3717] openat(3, "freezer.state", O_RDWR) = 4 [pid 3717] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3717] close(3) = 0 [pid 3717] close(4) = 0 [pid 3717] close(5) = -1 EBADF (Bad file descriptor) [pid 3717] close(6) = -1 EBADF (Bad file descriptor) [pid 3717] close(7) = -1 EBADF (Bad file descriptor) [pid 3717] close(8) = -1 EBADF (Bad file descriptor) [pid 3717] close(9) = -1 EBADF (Bad file descriptor) [pid 3717] close(10) = -1 EBADF (Bad file descriptor) [pid 3717] close(11) = -1 EBADF (Bad file descriptor) [pid 3717] close(12) = -1 EBADF (Bad file descriptor) [pid 3717] close(13) = -1 EBADF (Bad file descriptor) [pid 3717] close(14) = -1 EBADF (Bad file descriptor) [pid 3717] close(15) = -1 EBADF (Bad file descriptor) [pid 3717] close(16) = -1 EBADF (Bad file descriptor) [pid 3717] close(17) = -1 EBADF (Bad file descriptor) [pid 3717] close(18) = -1 EBADF (Bad file descriptor) [pid 3717] close(19) = -1 EBADF (Bad file descriptor) [pid 3717] close(20) = -1 EBADF (Bad file descriptor) [pid 3717] close(21) = -1 EBADF (Bad file descriptor) [pid 3717] close(22) = -1 EBADF (Bad file descriptor) [pid 3717] close(23) = -1 EBADF (Bad file descriptor) [pid 3717] close(24) = -1 EBADF (Bad file descriptor) [pid 3717] close(25) = -1 EBADF (Bad file descriptor) [pid 3717] close(26) = -1 EBADF (Bad file descriptor) [pid 3717] close(27) = -1 EBADF (Bad file descriptor) [pid 3717] close(28) = -1 EBADF (Bad file descriptor) [pid 3717] close(29) = -1 EBADF (Bad file descriptor) [pid 3717] exit_group(0) = ? [pid 3717] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./111/binderfs") = 0 [pid 3605] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./111/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./111/cgroup") = 0 [pid 3605] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./111/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./111/cgroup.net") = 0 [pid 3605] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./111/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./111/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./111") = 0 [pid 3605] mkdir("./112", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3718 attached [pid 3718] chdir("./112") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 114 [pid 3718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3718] setpgid(0, 0) = 0 [pid 3718] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3718] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3718] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3718] write(3, "1000", 4) = 4 [pid 3718] close(3) = 0 [pid 3718] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3718] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3718] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3718] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3718] openat(3, "freezer.state", O_RDWR) = 4 [pid 3718] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3718] close(3) = 0 [pid 3718] close(4) = 0 [pid 3718] close(5) = -1 EBADF (Bad file descriptor) [pid 3718] close(6) = -1 EBADF (Bad file descriptor) [pid 3718] close(7) = -1 EBADF (Bad file descriptor) [pid 3718] close(8) = -1 EBADF (Bad file descriptor) [pid 3718] close(9) = -1 EBADF (Bad file descriptor) [pid 3718] close(10) = -1 EBADF (Bad file descriptor) [pid 3718] close(11) = -1 EBADF (Bad file descriptor) [pid 3718] close(12) = -1 EBADF (Bad file descriptor) [pid 3718] close(13) = -1 EBADF (Bad file descriptor) [pid 3718] close(14) = -1 EBADF (Bad file descriptor) [pid 3718] close(15) = -1 EBADF (Bad file descriptor) [pid 3718] close(16) = -1 EBADF (Bad file descriptor) [pid 3718] close(17) = -1 EBADF (Bad file descriptor) [pid 3718] close(18) = -1 EBADF (Bad file descriptor) [pid 3718] close(19) = -1 EBADF (Bad file descriptor) [pid 3718] close(20) = -1 EBADF (Bad file descriptor) [pid 3718] close(21) = -1 EBADF (Bad file descriptor) [pid 3718] close(22) = -1 EBADF (Bad file descriptor) [pid 3718] close(23) = -1 EBADF (Bad file descriptor) [pid 3718] close(24) = -1 EBADF (Bad file descriptor) [pid 3718] close(25) = -1 EBADF (Bad file descriptor) [pid 3718] close(26) = -1 EBADF (Bad file descriptor) [pid 3718] close(27) = -1 EBADF (Bad file descriptor) [pid 3718] close(28) = -1 EBADF (Bad file descriptor) [pid 3718] close(29) = -1 EBADF (Bad file descriptor) [pid 3718] exit_group(0) = ? [pid 3718] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./112/binderfs") = 0 [pid 3605] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./112/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./112/cgroup") = 0 [pid 3605] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./112/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./112/cgroup.net") = 0 [pid 3605] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./112/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./112/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./112") = 0 [pid 3605] mkdir("./113", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3719 attached , child_tidptr=0x555556c0f5d0) = 115 [pid 3719] chdir("./113") = 0 [pid 3719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3719] setpgid(0, 0) = 0 [pid 3719] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3719] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3719] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3719] write(3, "1000", 4) = 4 [pid 3719] close(3) = 0 [pid 3719] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3719] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3719] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3719] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3719] openat(3, "freezer.state", O_RDWR) = 4 [pid 3719] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3719] close(3) = 0 [pid 3719] close(4) = 0 [pid 3719] close(5) = -1 EBADF (Bad file descriptor) [pid 3719] close(6) = -1 EBADF (Bad file descriptor) [pid 3719] close(7) = -1 EBADF (Bad file descriptor) [pid 3719] close(8) = -1 EBADF (Bad file descriptor) [pid 3719] close(9) = -1 EBADF (Bad file descriptor) [pid 3719] close(10) = -1 EBADF (Bad file descriptor) [pid 3719] close(11) = -1 EBADF (Bad file descriptor) [pid 3719] close(12) = -1 EBADF (Bad file descriptor) [pid 3719] close(13) = -1 EBADF (Bad file descriptor) [pid 3719] close(14) = -1 EBADF (Bad file descriptor) [pid 3719] close(15) = -1 EBADF (Bad file descriptor) [pid 3719] close(16) = -1 EBADF (Bad file descriptor) [pid 3719] close(17) = -1 EBADF (Bad file descriptor) [pid 3719] close(18) = -1 EBADF (Bad file descriptor) [pid 3719] close(19) = -1 EBADF (Bad file descriptor) [pid 3719] close(20) = -1 EBADF (Bad file descriptor) [pid 3719] close(21) = -1 EBADF (Bad file descriptor) [pid 3719] close(22) = -1 EBADF (Bad file descriptor) [pid 3719] close(23) = -1 EBADF (Bad file descriptor) [pid 3719] close(24) = -1 EBADF (Bad file descriptor) [pid 3719] close(25) = -1 EBADF (Bad file descriptor) [pid 3719] close(26) = -1 EBADF (Bad file descriptor) [pid 3719] close(27) = -1 EBADF (Bad file descriptor) [pid 3719] close(28) = -1 EBADF (Bad file descriptor) [pid 3719] close(29) = -1 EBADF (Bad file descriptor) [pid 3719] exit_group(0) = ? [pid 3719] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./113/binderfs") = 0 [pid 3605] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./113/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./113/cgroup") = 0 [pid 3605] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./113/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./113/cgroup.net") = 0 [pid 3605] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./113/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./113/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./113") = 0 [pid 3605] mkdir("./114", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3720 attached , child_tidptr=0x555556c0f5d0) = 116 [pid 3720] chdir("./114") = 0 [pid 3720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3720] setpgid(0, 0) = 0 [pid 3720] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3720] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3720] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3720] write(3, "1000", 4) = 4 [pid 3720] close(3) = 0 [pid 3720] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3720] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3720] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3720] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3720] openat(3, "freezer.state", O_RDWR) = 4 [pid 3720] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3720] close(3) = 0 [pid 3720] close(4) = 0 [pid 3720] close(5) = -1 EBADF (Bad file descriptor) [pid 3720] close(6) = -1 EBADF (Bad file descriptor) [pid 3720] close(7) = -1 EBADF (Bad file descriptor) [pid 3720] close(8) = -1 EBADF (Bad file descriptor) [pid 3720] close(9) = -1 EBADF (Bad file descriptor) [pid 3720] close(10) = -1 EBADF (Bad file descriptor) [pid 3720] close(11) = -1 EBADF (Bad file descriptor) [pid 3720] close(12) = -1 EBADF (Bad file descriptor) [pid 3720] close(13) = -1 EBADF (Bad file descriptor) [pid 3720] close(14) = -1 EBADF (Bad file descriptor) [pid 3720] close(15) = -1 EBADF (Bad file descriptor) [pid 3720] close(16) = -1 EBADF (Bad file descriptor) [pid 3720] close(17) = -1 EBADF (Bad file descriptor) [pid 3720] close(18) = -1 EBADF (Bad file descriptor) [pid 3720] close(19) = -1 EBADF (Bad file descriptor) [pid 3720] close(20) = -1 EBADF (Bad file descriptor) [pid 3720] close(21) = -1 EBADF (Bad file descriptor) [pid 3720] close(22) = -1 EBADF (Bad file descriptor) [pid 3720] close(23) = -1 EBADF (Bad file descriptor) [pid 3720] close(24) = -1 EBADF (Bad file descriptor) [pid 3720] close(25) = -1 EBADF (Bad file descriptor) [pid 3720] close(26) = -1 EBADF (Bad file descriptor) [pid 3720] close(27) = -1 EBADF (Bad file descriptor) [pid 3720] close(28) = -1 EBADF (Bad file descriptor) [pid 3720] close(29) = -1 EBADF (Bad file descriptor) [pid 3720] exit_group(0) = ? [pid 3720] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./114/binderfs") = 0 [pid 3605] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./114/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./114/cgroup") = 0 [pid 3605] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./114/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./114/cgroup.net") = 0 [pid 3605] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./114/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./114/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./114") = 0 [pid 3605] mkdir("./115", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3721 attached , child_tidptr=0x555556c0f5d0) = 117 [pid 3721] chdir("./115") = 0 [pid 3721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3721] setpgid(0, 0) = 0 [pid 3721] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3721] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3721] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3721] write(3, "1000", 4) = 4 [pid 3721] close(3) = 0 [pid 3721] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3721] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3721] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3721] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3721] openat(3, "freezer.state", O_RDWR) = 4 [pid 3721] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3721] close(3) = 0 [pid 3721] close(4) = 0 [pid 3721] close(5) = -1 EBADF (Bad file descriptor) [pid 3721] close(6) = -1 EBADF (Bad file descriptor) [pid 3721] close(7) = -1 EBADF (Bad file descriptor) [pid 3721] close(8) = -1 EBADF (Bad file descriptor) [pid 3721] close(9) = -1 EBADF (Bad file descriptor) [pid 3721] close(10) = -1 EBADF (Bad file descriptor) [pid 3721] close(11) = -1 EBADF (Bad file descriptor) [pid 3721] close(12) = -1 EBADF (Bad file descriptor) [pid 3721] close(13) = -1 EBADF (Bad file descriptor) [pid 3721] close(14) = -1 EBADF (Bad file descriptor) [pid 3721] close(15) = -1 EBADF (Bad file descriptor) [pid 3721] close(16) = -1 EBADF (Bad file descriptor) [pid 3721] close(17) = -1 EBADF (Bad file descriptor) [pid 3721] close(18) = -1 EBADF (Bad file descriptor) [pid 3721] close(19) = -1 EBADF (Bad file descriptor) [pid 3721] close(20) = -1 EBADF (Bad file descriptor) [pid 3721] close(21) = -1 EBADF (Bad file descriptor) [pid 3721] close(22) = -1 EBADF (Bad file descriptor) [pid 3721] close(23) = -1 EBADF (Bad file descriptor) [pid 3721] close(24) = -1 EBADF (Bad file descriptor) [pid 3721] close(25) = -1 EBADF (Bad file descriptor) [pid 3721] close(26) = -1 EBADF (Bad file descriptor) [pid 3721] close(27) = -1 EBADF (Bad file descriptor) [pid 3721] close(28) = -1 EBADF (Bad file descriptor) [pid 3721] close(29) = -1 EBADF (Bad file descriptor) [pid 3721] exit_group(0) = ? [pid 3721] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./115/binderfs") = 0 [pid 3605] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./115/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./115/cgroup") = 0 [pid 3605] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./115/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./115/cgroup.net") = 0 [pid 3605] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./115/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./115/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./115") = 0 [pid 3605] mkdir("./116", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 118 ./strace-static-x86_64: Process 3722 attached [pid 3722] chdir("./116") = 0 [pid 3722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3722] setpgid(0, 0) = 0 [pid 3722] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3722] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3722] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3722] write(3, "1000", 4) = 4 [pid 3722] close(3) = 0 [pid 3722] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3722] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3722] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3722] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3722] openat(3, "freezer.state", O_RDWR) = 4 [pid 3722] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3722] close(3) = 0 [pid 3722] close(4) = 0 [pid 3722] close(5) = -1 EBADF (Bad file descriptor) [pid 3722] close(6) = -1 EBADF (Bad file descriptor) [pid 3722] close(7) = -1 EBADF (Bad file descriptor) [pid 3722] close(8) = -1 EBADF (Bad file descriptor) [pid 3722] close(9) = -1 EBADF (Bad file descriptor) [pid 3722] close(10) = -1 EBADF (Bad file descriptor) [pid 3722] close(11) = -1 EBADF (Bad file descriptor) [pid 3722] close(12) = -1 EBADF (Bad file descriptor) [pid 3722] close(13) = -1 EBADF (Bad file descriptor) [pid 3722] close(14) = -1 EBADF (Bad file descriptor) [pid 3722] close(15) = -1 EBADF (Bad file descriptor) [pid 3722] close(16) = -1 EBADF (Bad file descriptor) [pid 3722] close(17) = -1 EBADF (Bad file descriptor) [pid 3722] close(18) = -1 EBADF (Bad file descriptor) [pid 3722] close(19) = -1 EBADF (Bad file descriptor) [pid 3722] close(20) = -1 EBADF (Bad file descriptor) [pid 3722] close(21) = -1 EBADF (Bad file descriptor) [pid 3722] close(22) = -1 EBADF (Bad file descriptor) [pid 3722] close(23) = -1 EBADF (Bad file descriptor) [pid 3722] close(24) = -1 EBADF (Bad file descriptor) [pid 3722] close(25) = -1 EBADF (Bad file descriptor) [pid 3722] close(26) = -1 EBADF (Bad file descriptor) [pid 3722] close(27) = -1 EBADF (Bad file descriptor) [pid 3722] close(28) = -1 EBADF (Bad file descriptor) [pid 3722] close(29) = -1 EBADF (Bad file descriptor) [pid 3722] exit_group(0) = ? [pid 3722] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./116/binderfs") = 0 [pid 3605] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./116/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./116/cgroup") = 0 [pid 3605] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./116/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./116/cgroup.net") = 0 [pid 3605] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./116/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./116/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./116") = 0 [pid 3605] mkdir("./117", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3723 attached [pid 3723] chdir("./117") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 119 [pid 3723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3723] setpgid(0, 0) = 0 [pid 3723] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3723] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3723] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3723] write(3, "1000", 4) = 4 [pid 3723] close(3) = 0 [pid 3723] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3723] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3723] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3723] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3723] openat(3, "freezer.state", O_RDWR) = 4 [pid 3723] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3723] close(3) = 0 [pid 3723] close(4) = 0 [pid 3723] close(5) = -1 EBADF (Bad file descriptor) [pid 3723] close(6) = -1 EBADF (Bad file descriptor) [pid 3723] close(7) = -1 EBADF (Bad file descriptor) [pid 3723] close(8) = -1 EBADF (Bad file descriptor) [pid 3723] close(9) = -1 EBADF (Bad file descriptor) [pid 3723] close(10) = -1 EBADF (Bad file descriptor) [pid 3723] close(11) = -1 EBADF (Bad file descriptor) [pid 3723] close(12) = -1 EBADF (Bad file descriptor) [pid 3723] close(13) = -1 EBADF (Bad file descriptor) [pid 3723] close(14) = -1 EBADF (Bad file descriptor) [pid 3723] close(15) = -1 EBADF (Bad file descriptor) [pid 3723] close(16) = -1 EBADF (Bad file descriptor) [pid 3723] close(17) = -1 EBADF (Bad file descriptor) [pid 3723] close(18) = -1 EBADF (Bad file descriptor) [pid 3723] close(19) = -1 EBADF (Bad file descriptor) [pid 3723] close(20) = -1 EBADF (Bad file descriptor) [pid 3723] close(21) = -1 EBADF (Bad file descriptor) [pid 3723] close(22) = -1 EBADF (Bad file descriptor) [pid 3723] close(23) = -1 EBADF (Bad file descriptor) [pid 3723] close(24) = -1 EBADF (Bad file descriptor) [pid 3723] close(25) = -1 EBADF (Bad file descriptor) [pid 3723] close(26) = -1 EBADF (Bad file descriptor) [pid 3723] close(27) = -1 EBADF (Bad file descriptor) [pid 3723] close(28) = -1 EBADF (Bad file descriptor) [pid 3723] close(29) = -1 EBADF (Bad file descriptor) [pid 3723] exit_group(0) = ? [pid 3723] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./117/binderfs") = 0 [pid 3605] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./117/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./117/cgroup") = 0 [pid 3605] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./117/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./117/cgroup.net") = 0 [pid 3605] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./117/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./117/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./117") = 0 [pid 3605] mkdir("./118", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3724 attached [pid 3724] chdir("./118") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 120 [pid 3724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3724] setpgid(0, 0) = 0 [pid 3724] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3724] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3724] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3724] write(3, "1000", 4) = 4 [pid 3724] close(3) = 0 [pid 3724] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3724] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3724] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3724] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3724] openat(3, "freezer.state", O_RDWR) = 4 [pid 3724] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3724] close(3) = 0 [pid 3724] close(4) = 0 [pid 3724] close(5) = -1 EBADF (Bad file descriptor) [pid 3724] close(6) = -1 EBADF (Bad file descriptor) [pid 3724] close(7) = -1 EBADF (Bad file descriptor) [pid 3724] close(8) = -1 EBADF (Bad file descriptor) [pid 3724] close(9) = -1 EBADF (Bad file descriptor) [pid 3724] close(10) = -1 EBADF (Bad file descriptor) [pid 3724] close(11) = -1 EBADF (Bad file descriptor) [pid 3724] close(12) = -1 EBADF (Bad file descriptor) [pid 3724] close(13) = -1 EBADF (Bad file descriptor) [pid 3724] close(14) = -1 EBADF (Bad file descriptor) [pid 3724] close(15) = -1 EBADF (Bad file descriptor) [pid 3724] close(16) = -1 EBADF (Bad file descriptor) [pid 3724] close(17) = -1 EBADF (Bad file descriptor) [pid 3724] close(18) = -1 EBADF (Bad file descriptor) [pid 3724] close(19) = -1 EBADF (Bad file descriptor) [pid 3724] close(20) = -1 EBADF (Bad file descriptor) [pid 3724] close(21) = -1 EBADF (Bad file descriptor) [pid 3724] close(22) = -1 EBADF (Bad file descriptor) [pid 3724] close(23) = -1 EBADF (Bad file descriptor) [pid 3724] close(24) = -1 EBADF (Bad file descriptor) [pid 3724] close(25) = -1 EBADF (Bad file descriptor) [pid 3724] close(26) = -1 EBADF (Bad file descriptor) [pid 3724] close(27) = -1 EBADF (Bad file descriptor) [pid 3724] close(28) = -1 EBADF (Bad file descriptor) [pid 3724] close(29) = -1 EBADF (Bad file descriptor) [pid 3724] exit_group(0) = ? [pid 3724] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./118/binderfs") = 0 [pid 3605] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./118/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./118/cgroup") = 0 [pid 3605] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./118/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./118/cgroup.net") = 0 [pid 3605] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./118/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./118/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./118") = 0 [pid 3605] mkdir("./119", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3725 attached [pid 3725] chdir("./119") = 0 [pid 3725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3725] setpgid(0, 0) = 0 [pid 3725] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3725] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 121 [pid 3725] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3725] write(3, "1000", 4) = 4 [pid 3725] close(3) = 0 [pid 3725] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3725] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3725] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3725] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3725] openat(3, "freezer.state", O_RDWR) = 4 [pid 3725] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3725] close(3) = 0 [pid 3725] close(4) = 0 [pid 3725] close(5) = -1 EBADF (Bad file descriptor) [pid 3725] close(6) = -1 EBADF (Bad file descriptor) [pid 3725] close(7) = -1 EBADF (Bad file descriptor) [pid 3725] close(8) = -1 EBADF (Bad file descriptor) [pid 3725] close(9) = -1 EBADF (Bad file descriptor) [pid 3725] close(10) = -1 EBADF (Bad file descriptor) [pid 3725] close(11) = -1 EBADF (Bad file descriptor) [pid 3725] close(12) = -1 EBADF (Bad file descriptor) [pid 3725] close(13) = -1 EBADF (Bad file descriptor) [pid 3725] close(14) = -1 EBADF (Bad file descriptor) [pid 3725] close(15) = -1 EBADF (Bad file descriptor) [pid 3725] close(16) = -1 EBADF (Bad file descriptor) [pid 3725] close(17) = -1 EBADF (Bad file descriptor) [pid 3725] close(18) = -1 EBADF (Bad file descriptor) [pid 3725] close(19) = -1 EBADF (Bad file descriptor) [pid 3725] close(20) = -1 EBADF (Bad file descriptor) [pid 3725] close(21) = -1 EBADF (Bad file descriptor) [pid 3725] close(22) = -1 EBADF (Bad file descriptor) [pid 3725] close(23) = -1 EBADF (Bad file descriptor) [pid 3725] close(24) = -1 EBADF (Bad file descriptor) [pid 3725] close(25) = -1 EBADF (Bad file descriptor) [pid 3725] close(26) = -1 EBADF (Bad file descriptor) [pid 3725] close(27) = -1 EBADF (Bad file descriptor) [pid 3725] close(28) = -1 EBADF (Bad file descriptor) [pid 3725] close(29) = -1 EBADF (Bad file descriptor) [pid 3725] exit_group(0) = ? [pid 3725] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./119/binderfs") = 0 [pid 3605] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./119/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./119/cgroup") = 0 [pid 3605] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./119/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./119/cgroup.net") = 0 [pid 3605] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./119/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./119/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./119") = 0 [pid 3605] mkdir("./120", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3726 attached , child_tidptr=0x555556c0f5d0) = 122 [pid 3726] chdir("./120") = 0 [pid 3726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3726] setpgid(0, 0) = 0 [pid 3726] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3726] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3726] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3726] write(3, "1000", 4) = 4 [pid 3726] close(3) = 0 [pid 3726] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3726] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3726] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3726] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3726] openat(3, "freezer.state", O_RDWR) = 4 [pid 3726] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3726] close(3) = 0 [pid 3726] close(4) = 0 [pid 3726] close(5) = -1 EBADF (Bad file descriptor) [pid 3726] close(6) = -1 EBADF (Bad file descriptor) [pid 3726] close(7) = -1 EBADF (Bad file descriptor) [pid 3726] close(8) = -1 EBADF (Bad file descriptor) [pid 3726] close(9) = -1 EBADF (Bad file descriptor) [pid 3726] close(10) = -1 EBADF (Bad file descriptor) [pid 3726] close(11) = -1 EBADF (Bad file descriptor) [pid 3726] close(12) = -1 EBADF (Bad file descriptor) [pid 3726] close(13) = -1 EBADF (Bad file descriptor) [pid 3726] close(14) = -1 EBADF (Bad file descriptor) [pid 3726] close(15) = -1 EBADF (Bad file descriptor) [pid 3726] close(16) = -1 EBADF (Bad file descriptor) [pid 3726] close(17) = -1 EBADF (Bad file descriptor) [pid 3726] close(18) = -1 EBADF (Bad file descriptor) [pid 3726] close(19) = -1 EBADF (Bad file descriptor) [pid 3726] close(20) = -1 EBADF (Bad file descriptor) [pid 3726] close(21) = -1 EBADF (Bad file descriptor) [pid 3726] close(22) = -1 EBADF (Bad file descriptor) [pid 3726] close(23) = -1 EBADF (Bad file descriptor) [pid 3726] close(24) = -1 EBADF (Bad file descriptor) [pid 3726] close(25) = -1 EBADF (Bad file descriptor) [pid 3726] close(26) = -1 EBADF (Bad file descriptor) [pid 3726] close(27) = -1 EBADF (Bad file descriptor) [pid 3726] close(28) = -1 EBADF (Bad file descriptor) [pid 3726] close(29) = -1 EBADF (Bad file descriptor) [pid 3726] exit_group(0) = ? [pid 3726] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./120/binderfs") = 0 [pid 3605] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./120/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./120/cgroup") = 0 [pid 3605] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./120/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./120/cgroup.net") = 0 [pid 3605] umount2("./120/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./120/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./120/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./120") = 0 [pid 3605] mkdir("./121", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3727 attached , child_tidptr=0x555556c0f5d0) = 123 [pid 3727] chdir("./121") = 0 [pid 3727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3727] setpgid(0, 0) = 0 [pid 3727] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3727] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3727] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3727] write(3, "1000", 4) = 4 [pid 3727] close(3) = 0 [pid 3727] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3727] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3727] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3727] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3727] openat(3, "freezer.state", O_RDWR) = 4 [pid 3727] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3727] close(3) = 0 [pid 3727] close(4) = 0 [pid 3727] close(5) = -1 EBADF (Bad file descriptor) [pid 3727] close(6) = -1 EBADF (Bad file descriptor) [pid 3727] close(7) = -1 EBADF (Bad file descriptor) [pid 3727] close(8) = -1 EBADF (Bad file descriptor) [pid 3727] close(9) = -1 EBADF (Bad file descriptor) [pid 3727] close(10) = -1 EBADF (Bad file descriptor) [pid 3727] close(11) = -1 EBADF (Bad file descriptor) [pid 3727] close(12) = -1 EBADF (Bad file descriptor) [pid 3727] close(13) = -1 EBADF (Bad file descriptor) [pid 3727] close(14) = -1 EBADF (Bad file descriptor) [pid 3727] close(15) = -1 EBADF (Bad file descriptor) [pid 3727] close(16) = -1 EBADF (Bad file descriptor) [pid 3727] close(17) = -1 EBADF (Bad file descriptor) [pid 3727] close(18) = -1 EBADF (Bad file descriptor) [pid 3727] close(19) = -1 EBADF (Bad file descriptor) [pid 3727] close(20) = -1 EBADF (Bad file descriptor) [pid 3727] close(21) = -1 EBADF (Bad file descriptor) [pid 3727] close(22) = -1 EBADF (Bad file descriptor) [pid 3727] close(23) = -1 EBADF (Bad file descriptor) [pid 3727] close(24) = -1 EBADF (Bad file descriptor) [pid 3727] close(25) = -1 EBADF (Bad file descriptor) [pid 3727] close(26) = -1 EBADF (Bad file descriptor) [pid 3727] close(27) = -1 EBADF (Bad file descriptor) [pid 3727] close(28) = -1 EBADF (Bad file descriptor) [pid 3727] close(29) = -1 EBADF (Bad file descriptor) [pid 3727] exit_group(0) = ? [pid 3727] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./121/binderfs") = 0 [pid 3605] umount2("./121/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./121/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./121/cgroup") = 0 [pid 3605] umount2("./121/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./121/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./121/cgroup.net") = 0 [pid 3605] umount2("./121/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./121/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./121/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./121") = 0 [pid 3605] mkdir("./122", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3728 attached , child_tidptr=0x555556c0f5d0) = 124 [pid 3728] chdir("./122") = 0 [pid 3728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3728] setpgid(0, 0) = 0 [pid 3728] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3728] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3728] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3728] write(3, "1000", 4) = 4 [pid 3728] close(3) = 0 [pid 3728] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3728] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3728] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3728] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3728] openat(3, "freezer.state", O_RDWR) = 4 [pid 3728] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3728] close(3) = 0 [pid 3728] close(4) = 0 [pid 3728] close(5) = -1 EBADF (Bad file descriptor) [pid 3728] close(6) = -1 EBADF (Bad file descriptor) [pid 3728] close(7) = -1 EBADF (Bad file descriptor) [pid 3728] close(8) = -1 EBADF (Bad file descriptor) [pid 3728] close(9) = -1 EBADF (Bad file descriptor) [pid 3728] close(10) = -1 EBADF (Bad file descriptor) [pid 3728] close(11) = -1 EBADF (Bad file descriptor) [pid 3728] close(12) = -1 EBADF (Bad file descriptor) [pid 3728] close(13) = -1 EBADF (Bad file descriptor) [pid 3728] close(14) = -1 EBADF (Bad file descriptor) [pid 3728] close(15) = -1 EBADF (Bad file descriptor) [pid 3728] close(16) = -1 EBADF (Bad file descriptor) [pid 3728] close(17) = -1 EBADF (Bad file descriptor) [pid 3728] close(18) = -1 EBADF (Bad file descriptor) [pid 3728] close(19) = -1 EBADF (Bad file descriptor) [pid 3728] close(20) = -1 EBADF (Bad file descriptor) [pid 3728] close(21) = -1 EBADF (Bad file descriptor) [pid 3728] close(22) = -1 EBADF (Bad file descriptor) [pid 3728] close(23) = -1 EBADF (Bad file descriptor) [pid 3728] close(24) = -1 EBADF (Bad file descriptor) [pid 3728] close(25) = -1 EBADF (Bad file descriptor) [pid 3728] close(26) = -1 EBADF (Bad file descriptor) [pid 3728] close(27) = -1 EBADF (Bad file descriptor) [pid 3728] close(28) = -1 EBADF (Bad file descriptor) [pid 3728] close(29) = -1 EBADF (Bad file descriptor) [pid 3728] exit_group(0) = ? [pid 3728] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./122/binderfs") = 0 [pid 3605] umount2("./122/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./122/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./122/cgroup") = 0 [pid 3605] umount2("./122/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./122/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./122/cgroup.net") = 0 [pid 3605] umount2("./122/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./122/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./122/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./122") = 0 [pid 3605] mkdir("./123", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3729 attached , child_tidptr=0x555556c0f5d0) = 125 [pid 3729] chdir("./123") = 0 [pid 3729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3729] setpgid(0, 0) = 0 [pid 3729] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3729] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3729] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3729] write(3, "1000", 4) = 4 [pid 3729] close(3) = 0 [pid 3729] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3729] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3729] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3729] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3729] openat(3, "freezer.state", O_RDWR) = 4 [pid 3729] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3729] close(3) = 0 [pid 3729] close(4) = 0 [pid 3729] close(5) = -1 EBADF (Bad file descriptor) [pid 3729] close(6) = -1 EBADF (Bad file descriptor) [pid 3729] close(7) = -1 EBADF (Bad file descriptor) [pid 3729] close(8) = -1 EBADF (Bad file descriptor) [pid 3729] close(9) = -1 EBADF (Bad file descriptor) [pid 3729] close(10) = -1 EBADF (Bad file descriptor) [pid 3729] close(11) = -1 EBADF (Bad file descriptor) [pid 3729] close(12) = -1 EBADF (Bad file descriptor) [pid 3729] close(13) = -1 EBADF (Bad file descriptor) [pid 3729] close(14) = -1 EBADF (Bad file descriptor) [pid 3729] close(15) = -1 EBADF (Bad file descriptor) [pid 3729] close(16) = -1 EBADF (Bad file descriptor) [pid 3729] close(17) = -1 EBADF (Bad file descriptor) [pid 3729] close(18) = -1 EBADF (Bad file descriptor) [pid 3729] close(19) = -1 EBADF (Bad file descriptor) [pid 3729] close(20) = -1 EBADF (Bad file descriptor) [pid 3729] close(21) = -1 EBADF (Bad file descriptor) [pid 3729] close(22) = -1 EBADF (Bad file descriptor) [pid 3729] close(23) = -1 EBADF (Bad file descriptor) [pid 3729] close(24) = -1 EBADF (Bad file descriptor) [pid 3729] close(25) = -1 EBADF (Bad file descriptor) [pid 3729] close(26) = -1 EBADF (Bad file descriptor) [pid 3729] close(27) = -1 EBADF (Bad file descriptor) [pid 3729] close(28) = -1 EBADF (Bad file descriptor) [pid 3729] close(29) = -1 EBADF (Bad file descriptor) [pid 3729] exit_group(0) = ? [pid 3729] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./123/binderfs") = 0 [pid 3605] umount2("./123/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./123/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./123/cgroup") = 0 [pid 3605] umount2("./123/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./123/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./123/cgroup.net") = 0 [pid 3605] umount2("./123/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./123/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./123/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./123") = 0 [pid 3605] mkdir("./124", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3730 attached , child_tidptr=0x555556c0f5d0) = 126 [pid 3730] chdir("./124") = 0 [pid 3730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3730] setpgid(0, 0) = 0 [pid 3730] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3730] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3730] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3730] write(3, "1000", 4) = 4 [pid 3730] close(3) = 0 [pid 3730] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3730] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3730] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3730] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3730] openat(3, "freezer.state", O_RDWR) = 4 [pid 3730] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3730] close(3) = 0 [pid 3730] close(4) = 0 [pid 3730] close(5) = -1 EBADF (Bad file descriptor) [pid 3730] close(6) = -1 EBADF (Bad file descriptor) [pid 3730] close(7) = -1 EBADF (Bad file descriptor) [pid 3730] close(8) = -1 EBADF (Bad file descriptor) [pid 3730] close(9) = -1 EBADF (Bad file descriptor) [pid 3730] close(10) = -1 EBADF (Bad file descriptor) [pid 3730] close(11) = -1 EBADF (Bad file descriptor) [pid 3730] close(12) = -1 EBADF (Bad file descriptor) [pid 3730] close(13) = -1 EBADF (Bad file descriptor) [pid 3730] close(14) = -1 EBADF (Bad file descriptor) [pid 3730] close(15) = -1 EBADF (Bad file descriptor) [pid 3730] close(16) = -1 EBADF (Bad file descriptor) [pid 3730] close(17) = -1 EBADF (Bad file descriptor) [pid 3730] close(18) = -1 EBADF (Bad file descriptor) [pid 3730] close(19) = -1 EBADF (Bad file descriptor) [pid 3730] close(20) = -1 EBADF (Bad file descriptor) [pid 3730] close(21) = -1 EBADF (Bad file descriptor) [pid 3730] close(22) = -1 EBADF (Bad file descriptor) [pid 3730] close(23) = -1 EBADF (Bad file descriptor) [pid 3730] close(24) = -1 EBADF (Bad file descriptor) [pid 3730] close(25) = -1 EBADF (Bad file descriptor) [pid 3730] close(26) = -1 EBADF (Bad file descriptor) [pid 3730] close(27) = -1 EBADF (Bad file descriptor) [pid 3730] close(28) = -1 EBADF (Bad file descriptor) [pid 3730] close(29) = -1 EBADF (Bad file descriptor) [pid 3730] exit_group(0) = ? [pid 3730] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./124/binderfs") = 0 [pid 3605] umount2("./124/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./124/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./124/cgroup") = 0 [pid 3605] umount2("./124/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./124/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./124/cgroup.net") = 0 [pid 3605] umount2("./124/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./124/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./124/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./124") = 0 [pid 3605] mkdir("./125", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3731 attached , child_tidptr=0x555556c0f5d0) = 127 [pid 3731] chdir("./125") = 0 [pid 3731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3731] setpgid(0, 0) = 0 [pid 3731] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3731] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3731] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3731] write(3, "1000", 4) = 4 [pid 3731] close(3) = 0 [pid 3731] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3731] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3731] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3731] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3731] openat(3, "freezer.state", O_RDWR) = 4 [pid 3731] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3731] close(3) = 0 [pid 3731] close(4) = 0 [pid 3731] close(5) = -1 EBADF (Bad file descriptor) [pid 3731] close(6) = -1 EBADF (Bad file descriptor) [pid 3731] close(7) = -1 EBADF (Bad file descriptor) [pid 3731] close(8) = -1 EBADF (Bad file descriptor) [pid 3731] close(9) = -1 EBADF (Bad file descriptor) [pid 3731] close(10) = -1 EBADF (Bad file descriptor) [pid 3731] close(11) = -1 EBADF (Bad file descriptor) [pid 3731] close(12) = -1 EBADF (Bad file descriptor) [pid 3731] close(13) = -1 EBADF (Bad file descriptor) [pid 3731] close(14) = -1 EBADF (Bad file descriptor) [pid 3731] close(15) = -1 EBADF (Bad file descriptor) [pid 3731] close(16) = -1 EBADF (Bad file descriptor) [pid 3731] close(17) = -1 EBADF (Bad file descriptor) [pid 3731] close(18) = -1 EBADF (Bad file descriptor) [pid 3731] close(19) = -1 EBADF (Bad file descriptor) [pid 3731] close(20) = -1 EBADF (Bad file descriptor) [pid 3731] close(21) = -1 EBADF (Bad file descriptor) [pid 3731] close(22) = -1 EBADF (Bad file descriptor) [pid 3731] close(23) = -1 EBADF (Bad file descriptor) [pid 3731] close(24) = -1 EBADF (Bad file descriptor) [pid 3731] close(25) = -1 EBADF (Bad file descriptor) [pid 3731] close(26) = -1 EBADF (Bad file descriptor) [pid 3731] close(27) = -1 EBADF (Bad file descriptor) [pid 3731] close(28) = -1 EBADF (Bad file descriptor) [pid 3731] close(29) = -1 EBADF (Bad file descriptor) [pid 3731] exit_group(0) = ? [pid 3731] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./125/binderfs") = 0 [pid 3605] umount2("./125/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./125/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./125/cgroup") = 0 [pid 3605] umount2("./125/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./125/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./125/cgroup.net") = 0 [pid 3605] umount2("./125/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./125/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./125/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./125") = 0 [pid 3605] mkdir("./126", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3732 attached , child_tidptr=0x555556c0f5d0) = 128 [pid 3732] chdir("./126") = 0 [pid 3732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3732] setpgid(0, 0) = 0 [pid 3732] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3732] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3732] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3732] write(3, "1000", 4) = 4 [pid 3732] close(3) = 0 [pid 3732] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3732] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3732] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3732] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3732] openat(3, "freezer.state", O_RDWR) = 4 [pid 3732] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3732] close(3) = 0 [pid 3732] close(4) = 0 [pid 3732] close(5) = -1 EBADF (Bad file descriptor) [pid 3732] close(6) = -1 EBADF (Bad file descriptor) [pid 3732] close(7) = -1 EBADF (Bad file descriptor) [pid 3732] close(8) = -1 EBADF (Bad file descriptor) [pid 3732] close(9) = -1 EBADF (Bad file descriptor) [pid 3732] close(10) = -1 EBADF (Bad file descriptor) [pid 3732] close(11) = -1 EBADF (Bad file descriptor) [pid 3732] close(12) = -1 EBADF (Bad file descriptor) [pid 3732] close(13) = -1 EBADF (Bad file descriptor) [pid 3732] close(14) = -1 EBADF (Bad file descriptor) [pid 3732] close(15) = -1 EBADF (Bad file descriptor) [pid 3732] close(16) = -1 EBADF (Bad file descriptor) [pid 3732] close(17) = -1 EBADF (Bad file descriptor) [pid 3732] close(18) = -1 EBADF (Bad file descriptor) [pid 3732] close(19) = -1 EBADF (Bad file descriptor) [pid 3732] close(20) = -1 EBADF (Bad file descriptor) [pid 3732] close(21) = -1 EBADF (Bad file descriptor) [pid 3732] close(22) = -1 EBADF (Bad file descriptor) [pid 3732] close(23) = -1 EBADF (Bad file descriptor) [pid 3732] close(24) = -1 EBADF (Bad file descriptor) [pid 3732] close(25) = -1 EBADF (Bad file descriptor) [pid 3732] close(26) = -1 EBADF (Bad file descriptor) [pid 3732] close(27) = -1 EBADF (Bad file descriptor) [pid 3732] close(28) = -1 EBADF (Bad file descriptor) [pid 3732] close(29) = -1 EBADF (Bad file descriptor) [pid 3732] exit_group(0) = ? [pid 3732] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./126/binderfs") = 0 [pid 3605] umount2("./126/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./126/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./126/cgroup") = 0 [pid 3605] umount2("./126/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./126/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./126/cgroup.net") = 0 [pid 3605] umount2("./126/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./126/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./126/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./126") = 0 [pid 3605] mkdir("./127", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3733 attached , child_tidptr=0x555556c0f5d0) = 129 [pid 3733] chdir("./127") = 0 [pid 3733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3733] setpgid(0, 0) = 0 [pid 3733] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3733] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3733] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3733] write(3, "1000", 4) = 4 [pid 3733] close(3) = 0 [pid 3733] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3733] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3733] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3733] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3733] openat(3, "freezer.state", O_RDWR) = 4 [pid 3733] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3733] close(3) = 0 [pid 3733] close(4) = 0 [pid 3733] close(5) = -1 EBADF (Bad file descriptor) [pid 3733] close(6) = -1 EBADF (Bad file descriptor) [pid 3733] close(7) = -1 EBADF (Bad file descriptor) [pid 3733] close(8) = -1 EBADF (Bad file descriptor) [pid 3733] close(9) = -1 EBADF (Bad file descriptor) [pid 3733] close(10) = -1 EBADF (Bad file descriptor) [pid 3733] close(11) = -1 EBADF (Bad file descriptor) [pid 3733] close(12) = -1 EBADF (Bad file descriptor) [pid 3733] close(13) = -1 EBADF (Bad file descriptor) [pid 3733] close(14) = -1 EBADF (Bad file descriptor) [pid 3733] close(15) = -1 EBADF (Bad file descriptor) [pid 3733] close(16) = -1 EBADF (Bad file descriptor) [pid 3733] close(17) = -1 EBADF (Bad file descriptor) [pid 3733] close(18) = -1 EBADF (Bad file descriptor) [pid 3733] close(19) = -1 EBADF (Bad file descriptor) [pid 3733] close(20) = -1 EBADF (Bad file descriptor) [pid 3733] close(21) = -1 EBADF (Bad file descriptor) [pid 3733] close(22) = -1 EBADF (Bad file descriptor) [pid 3733] close(23) = -1 EBADF (Bad file descriptor) [pid 3733] close(24) = -1 EBADF (Bad file descriptor) [pid 3733] close(25) = -1 EBADF (Bad file descriptor) [pid 3733] close(26) = -1 EBADF (Bad file descriptor) [pid 3733] close(27) = -1 EBADF (Bad file descriptor) [pid 3733] close(28) = -1 EBADF (Bad file descriptor) [pid 3733] close(29) = -1 EBADF (Bad file descriptor) [pid 3733] exit_group(0) = ? [pid 3733] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./127/binderfs") = 0 [pid 3605] umount2("./127/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./127/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./127/cgroup") = 0 [pid 3605] umount2("./127/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./127/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./127/cgroup.net") = 0 [pid 3605] umount2("./127/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./127/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./127/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./127") = 0 [pid 3605] mkdir("./128", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3734 attached , child_tidptr=0x555556c0f5d0) = 130 [pid 3734] chdir("./128") = 0 [pid 3734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3734] setpgid(0, 0) = 0 [pid 3734] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3734] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3734] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3734] write(3, "1000", 4) = 4 [pid 3734] close(3) = 0 [pid 3734] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3734] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3734] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3734] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3734] openat(3, "freezer.state", O_RDWR) = 4 [pid 3734] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3734] close(3) = 0 [pid 3734] close(4) = 0 [pid 3734] close(5) = -1 EBADF (Bad file descriptor) [pid 3734] close(6) = -1 EBADF (Bad file descriptor) [pid 3734] close(7) = -1 EBADF (Bad file descriptor) [pid 3734] close(8) = -1 EBADF (Bad file descriptor) [pid 3734] close(9) = -1 EBADF (Bad file descriptor) [pid 3734] close(10) = -1 EBADF (Bad file descriptor) [pid 3734] close(11) = -1 EBADF (Bad file descriptor) [pid 3734] close(12) = -1 EBADF (Bad file descriptor) [pid 3734] close(13) = -1 EBADF (Bad file descriptor) [pid 3734] close(14) = -1 EBADF (Bad file descriptor) [pid 3734] close(15) = -1 EBADF (Bad file descriptor) [pid 3734] close(16) = -1 EBADF (Bad file descriptor) [pid 3734] close(17) = -1 EBADF (Bad file descriptor) [pid 3734] close(18) = -1 EBADF (Bad file descriptor) [pid 3734] close(19) = -1 EBADF (Bad file descriptor) [pid 3734] close(20) = -1 EBADF (Bad file descriptor) [pid 3734] close(21) = -1 EBADF (Bad file descriptor) [pid 3734] close(22) = -1 EBADF (Bad file descriptor) [pid 3734] close(23) = -1 EBADF (Bad file descriptor) [pid 3734] close(24) = -1 EBADF (Bad file descriptor) [pid 3734] close(25) = -1 EBADF (Bad file descriptor) [pid 3734] close(26) = -1 EBADF (Bad file descriptor) [pid 3734] close(27) = -1 EBADF (Bad file descriptor) [pid 3734] close(28) = -1 EBADF (Bad file descriptor) [pid 3734] close(29) = -1 EBADF (Bad file descriptor) [pid 3734] exit_group(0) = ? [pid 3734] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./128/binderfs") = 0 [pid 3605] umount2("./128/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./128/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./128/cgroup") = 0 [pid 3605] umount2("./128/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./128/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./128/cgroup.net") = 0 [pid 3605] umount2("./128/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./128/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./128/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./128") = 0 [pid 3605] mkdir("./129", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3735 attached , child_tidptr=0x555556c0f5d0) = 131 [pid 3735] chdir("./129") = 0 [pid 3735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3735] setpgid(0, 0) = 0 [pid 3735] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3735] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3735] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3735] write(3, "1000", 4) = 4 [pid 3735] close(3) = 0 [pid 3735] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3735] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3735] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3735] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3735] openat(3, "freezer.state", O_RDWR) = 4 [pid 3735] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3735] close(3) = 0 [pid 3735] close(4) = 0 [pid 3735] close(5) = -1 EBADF (Bad file descriptor) [pid 3735] close(6) = -1 EBADF (Bad file descriptor) [pid 3735] close(7) = -1 EBADF (Bad file descriptor) [pid 3735] close(8) = -1 EBADF (Bad file descriptor) [pid 3735] close(9) = -1 EBADF (Bad file descriptor) [pid 3735] close(10) = -1 EBADF (Bad file descriptor) [pid 3735] close(11) = -1 EBADF (Bad file descriptor) [pid 3735] close(12) = -1 EBADF (Bad file descriptor) [pid 3735] close(13) = -1 EBADF (Bad file descriptor) [pid 3735] close(14) = -1 EBADF (Bad file descriptor) [pid 3735] close(15) = -1 EBADF (Bad file descriptor) [pid 3735] close(16) = -1 EBADF (Bad file descriptor) [pid 3735] close(17) = -1 EBADF (Bad file descriptor) [pid 3735] close(18) = -1 EBADF (Bad file descriptor) [pid 3735] close(19) = -1 EBADF (Bad file descriptor) [pid 3735] close(20) = -1 EBADF (Bad file descriptor) [pid 3735] close(21) = -1 EBADF (Bad file descriptor) [pid 3735] close(22) = -1 EBADF (Bad file descriptor) [pid 3735] close(23) = -1 EBADF (Bad file descriptor) [pid 3735] close(24) = -1 EBADF (Bad file descriptor) [pid 3735] close(25) = -1 EBADF (Bad file descriptor) [pid 3735] close(26) = -1 EBADF (Bad file descriptor) [pid 3735] close(27) = -1 EBADF (Bad file descriptor) [pid 3735] close(28) = -1 EBADF (Bad file descriptor) [pid 3735] close(29) = -1 EBADF (Bad file descriptor) [pid 3735] exit_group(0) = ? [pid 3735] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./129/binderfs") = 0 [pid 3605] umount2("./129/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./129/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./129/cgroup") = 0 [pid 3605] umount2("./129/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./129/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./129/cgroup.net") = 0 [pid 3605] umount2("./129/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./129/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./129/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./129") = 0 [pid 3605] mkdir("./130", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3736 attached , child_tidptr=0x555556c0f5d0) = 132 [pid 3736] chdir("./130") = 0 [pid 3736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3736] setpgid(0, 0) = 0 [pid 3736] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3736] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3736] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3736] write(3, "1000", 4) = 4 [pid 3736] close(3) = 0 [pid 3736] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3736] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3736] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3736] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3736] openat(3, "freezer.state", O_RDWR) = 4 [pid 3736] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3736] close(3) = 0 [pid 3736] close(4) = 0 [pid 3736] close(5) = -1 EBADF (Bad file descriptor) [pid 3736] close(6) = -1 EBADF (Bad file descriptor) [pid 3736] close(7) = -1 EBADF (Bad file descriptor) [pid 3736] close(8) = -1 EBADF (Bad file descriptor) [pid 3736] close(9) = -1 EBADF (Bad file descriptor) [pid 3736] close(10) = -1 EBADF (Bad file descriptor) [pid 3736] close(11) = -1 EBADF (Bad file descriptor) [pid 3736] close(12) = -1 EBADF (Bad file descriptor) [pid 3736] close(13) = -1 EBADF (Bad file descriptor) [pid 3736] close(14) = -1 EBADF (Bad file descriptor) [pid 3736] close(15) = -1 EBADF (Bad file descriptor) [pid 3736] close(16) = -1 EBADF (Bad file descriptor) [pid 3736] close(17) = -1 EBADF (Bad file descriptor) [pid 3736] close(18) = -1 EBADF (Bad file descriptor) [pid 3736] close(19) = -1 EBADF (Bad file descriptor) [pid 3736] close(20) = -1 EBADF (Bad file descriptor) [pid 3736] close(21) = -1 EBADF (Bad file descriptor) [pid 3736] close(22) = -1 EBADF (Bad file descriptor) [pid 3736] close(23) = -1 EBADF (Bad file descriptor) [pid 3736] close(24) = -1 EBADF (Bad file descriptor) [pid 3736] close(25) = -1 EBADF (Bad file descriptor) [pid 3736] close(26) = -1 EBADF (Bad file descriptor) [pid 3736] close(27) = -1 EBADF (Bad file descriptor) [pid 3736] close(28) = -1 EBADF (Bad file descriptor) [pid 3736] close(29) = -1 EBADF (Bad file descriptor) [pid 3736] exit_group(0) = ? [pid 3736] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./130/binderfs") = 0 [pid 3605] umount2("./130/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./130/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./130/cgroup") = 0 [pid 3605] umount2("./130/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./130/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./130/cgroup.net") = 0 [pid 3605] umount2("./130/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./130/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./130/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./130") = 0 [pid 3605] mkdir("./131", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3737 attached , child_tidptr=0x555556c0f5d0) = 133 [pid 3737] chdir("./131") = 0 [pid 3737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3737] setpgid(0, 0) = 0 [pid 3737] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3737] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3737] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3737] write(3, "1000", 4) = 4 [pid 3737] close(3) = 0 [pid 3737] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3737] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3737] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3737] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3737] openat(3, "freezer.state", O_RDWR) = 4 [pid 3737] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3737] close(3) = 0 [pid 3737] close(4) = 0 [pid 3737] close(5) = -1 EBADF (Bad file descriptor) [pid 3737] close(6) = -1 EBADF (Bad file descriptor) [pid 3737] close(7) = -1 EBADF (Bad file descriptor) [pid 3737] close(8) = -1 EBADF (Bad file descriptor) [pid 3737] close(9) = -1 EBADF (Bad file descriptor) [pid 3737] close(10) = -1 EBADF (Bad file descriptor) [pid 3737] close(11) = -1 EBADF (Bad file descriptor) [pid 3737] close(12) = -1 EBADF (Bad file descriptor) [pid 3737] close(13) = -1 EBADF (Bad file descriptor) [pid 3737] close(14) = -1 EBADF (Bad file descriptor) [pid 3737] close(15) = -1 EBADF (Bad file descriptor) [pid 3737] close(16) = -1 EBADF (Bad file descriptor) [pid 3737] close(17) = -1 EBADF (Bad file descriptor) [pid 3737] close(18) = -1 EBADF (Bad file descriptor) [pid 3737] close(19) = -1 EBADF (Bad file descriptor) [pid 3737] close(20) = -1 EBADF (Bad file descriptor) [pid 3737] close(21) = -1 EBADF (Bad file descriptor) [pid 3737] close(22) = -1 EBADF (Bad file descriptor) [pid 3737] close(23) = -1 EBADF (Bad file descriptor) [pid 3737] close(24) = -1 EBADF (Bad file descriptor) [pid 3737] close(25) = -1 EBADF (Bad file descriptor) [pid 3737] close(26) = -1 EBADF (Bad file descriptor) [pid 3737] close(27) = -1 EBADF (Bad file descriptor) [pid 3737] close(28) = -1 EBADF (Bad file descriptor) [pid 3737] close(29) = -1 EBADF (Bad file descriptor) [pid 3737] exit_group(0) = ? [pid 3737] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./131/binderfs") = 0 [pid 3605] umount2("./131/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./131/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./131/cgroup") = 0 [pid 3605] umount2("./131/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./131/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./131/cgroup.net") = 0 [pid 3605] umount2("./131/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./131/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./131/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./131") = 0 [pid 3605] mkdir("./132", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3738 attached , child_tidptr=0x555556c0f5d0) = 134 [pid 3738] chdir("./132") = 0 [pid 3738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3738] setpgid(0, 0) = 0 [pid 3738] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3738] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3738] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3738] write(3, "1000", 4) = 4 [pid 3738] close(3) = 0 [pid 3738] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3738] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3738] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3738] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3738] openat(3, "freezer.state", O_RDWR) = 4 [pid 3738] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3738] close(3) = 0 [pid 3738] close(4) = 0 [pid 3738] close(5) = -1 EBADF (Bad file descriptor) [pid 3738] close(6) = -1 EBADF (Bad file descriptor) [pid 3738] close(7) = -1 EBADF (Bad file descriptor) [pid 3738] close(8) = -1 EBADF (Bad file descriptor) [pid 3738] close(9) = -1 EBADF (Bad file descriptor) [pid 3738] close(10) = -1 EBADF (Bad file descriptor) [pid 3738] close(11) = -1 EBADF (Bad file descriptor) [pid 3738] close(12) = -1 EBADF (Bad file descriptor) [pid 3738] close(13) = -1 EBADF (Bad file descriptor) [pid 3738] close(14) = -1 EBADF (Bad file descriptor) [pid 3738] close(15) = -1 EBADF (Bad file descriptor) [pid 3738] close(16) = -1 EBADF (Bad file descriptor) [pid 3738] close(17) = -1 EBADF (Bad file descriptor) [pid 3738] close(18) = -1 EBADF (Bad file descriptor) [pid 3738] close(19) = -1 EBADF (Bad file descriptor) [pid 3738] close(20) = -1 EBADF (Bad file descriptor) [pid 3738] close(21) = -1 EBADF (Bad file descriptor) [pid 3738] close(22) = -1 EBADF (Bad file descriptor) [pid 3738] close(23) = -1 EBADF (Bad file descriptor) [pid 3738] close(24) = -1 EBADF (Bad file descriptor) [pid 3738] close(25) = -1 EBADF (Bad file descriptor) [pid 3738] close(26) = -1 EBADF (Bad file descriptor) [pid 3738] close(27) = -1 EBADF (Bad file descriptor) [pid 3738] close(28) = -1 EBADF (Bad file descriptor) [pid 3738] close(29) = -1 EBADF (Bad file descriptor) [pid 3738] exit_group(0) = ? [pid 3738] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./132/binderfs") = 0 [pid 3605] umount2("./132/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./132/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./132/cgroup") = 0 [pid 3605] umount2("./132/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./132/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./132/cgroup.net") = 0 [pid 3605] umount2("./132/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./132/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./132/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./132") = 0 [pid 3605] mkdir("./133", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3739 attached , child_tidptr=0x555556c0f5d0) = 135 [pid 3739] chdir("./133") = 0 [pid 3739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3739] setpgid(0, 0) = 0 [pid 3739] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3739] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3739] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3739] write(3, "1000", 4) = 4 [pid 3739] close(3) = 0 [pid 3739] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3739] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3739] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3739] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3739] openat(3, "freezer.state", O_RDWR) = 4 [pid 3739] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3739] close(3) = 0 [pid 3739] close(4) = 0 [pid 3739] close(5) = -1 EBADF (Bad file descriptor) [pid 3739] close(6) = -1 EBADF (Bad file descriptor) [pid 3739] close(7) = -1 EBADF (Bad file descriptor) [pid 3739] close(8) = -1 EBADF (Bad file descriptor) [pid 3739] close(9) = -1 EBADF (Bad file descriptor) [pid 3739] close(10) = -1 EBADF (Bad file descriptor) [pid 3739] close(11) = -1 EBADF (Bad file descriptor) [pid 3739] close(12) = -1 EBADF (Bad file descriptor) [pid 3739] close(13) = -1 EBADF (Bad file descriptor) [pid 3739] close(14) = -1 EBADF (Bad file descriptor) [pid 3739] close(15) = -1 EBADF (Bad file descriptor) [pid 3739] close(16) = -1 EBADF (Bad file descriptor) [pid 3739] close(17) = -1 EBADF (Bad file descriptor) [pid 3739] close(18) = -1 EBADF (Bad file descriptor) [pid 3739] close(19) = -1 EBADF (Bad file descriptor) [pid 3739] close(20) = -1 EBADF (Bad file descriptor) [pid 3739] close(21) = -1 EBADF (Bad file descriptor) [pid 3739] close(22) = -1 EBADF (Bad file descriptor) [pid 3739] close(23) = -1 EBADF (Bad file descriptor) [pid 3739] close(24) = -1 EBADF (Bad file descriptor) [pid 3739] close(25) = -1 EBADF (Bad file descriptor) [pid 3739] close(26) = -1 EBADF (Bad file descriptor) [pid 3739] close(27) = -1 EBADF (Bad file descriptor) [pid 3739] close(28) = -1 EBADF (Bad file descriptor) [pid 3739] close(29) = -1 EBADF (Bad file descriptor) [pid 3739] exit_group(0) = ? [pid 3739] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./133/binderfs") = 0 [pid 3605] umount2("./133/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./133/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./133/cgroup") = 0 [pid 3605] umount2("./133/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./133/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./133/cgroup.net") = 0 [pid 3605] umount2("./133/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./133/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./133/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./133") = 0 [pid 3605] mkdir("./134", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3740 attached , child_tidptr=0x555556c0f5d0) = 136 [pid 3740] chdir("./134") = 0 [pid 3740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3740] setpgid(0, 0) = 0 [pid 3740] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3740] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3740] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3740] write(3, "1000", 4) = 4 [pid 3740] close(3) = 0 [pid 3740] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3740] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3740] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3740] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3740] openat(3, "freezer.state", O_RDWR) = 4 [pid 3740] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3740] close(3) = 0 [pid 3740] close(4) = 0 [pid 3740] close(5) = -1 EBADF (Bad file descriptor) [pid 3740] close(6) = -1 EBADF (Bad file descriptor) [pid 3740] close(7) = -1 EBADF (Bad file descriptor) [pid 3740] close(8) = -1 EBADF (Bad file descriptor) [pid 3740] close(9) = -1 EBADF (Bad file descriptor) [pid 3740] close(10) = -1 EBADF (Bad file descriptor) [pid 3740] close(11) = -1 EBADF (Bad file descriptor) [pid 3740] close(12) = -1 EBADF (Bad file descriptor) [pid 3740] close(13) = -1 EBADF (Bad file descriptor) [pid 3740] close(14) = -1 EBADF (Bad file descriptor) [pid 3740] close(15) = -1 EBADF (Bad file descriptor) [pid 3740] close(16) = -1 EBADF (Bad file descriptor) [pid 3740] close(17) = -1 EBADF (Bad file descriptor) [pid 3740] close(18) = -1 EBADF (Bad file descriptor) [pid 3740] close(19) = -1 EBADF (Bad file descriptor) [pid 3740] close(20) = -1 EBADF (Bad file descriptor) [pid 3740] close(21) = -1 EBADF (Bad file descriptor) [pid 3740] close(22) = -1 EBADF (Bad file descriptor) [pid 3740] close(23) = -1 EBADF (Bad file descriptor) [pid 3740] close(24) = -1 EBADF (Bad file descriptor) [pid 3740] close(25) = -1 EBADF (Bad file descriptor) [pid 3740] close(26) = -1 EBADF (Bad file descriptor) [pid 3740] close(27) = -1 EBADF (Bad file descriptor) [pid 3740] close(28) = -1 EBADF (Bad file descriptor) [pid 3740] close(29) = -1 EBADF (Bad file descriptor) [pid 3740] exit_group(0) = ? [pid 3740] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./134/binderfs") = 0 [pid 3605] umount2("./134/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./134/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./134/cgroup") = 0 [pid 3605] umount2("./134/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./134/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./134/cgroup.net") = 0 [pid 3605] umount2("./134/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./134/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./134/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./134") = 0 [pid 3605] mkdir("./135", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3741 attached , child_tidptr=0x555556c0f5d0) = 137 [pid 3741] chdir("./135") = 0 [pid 3741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3741] setpgid(0, 0) = 0 [pid 3741] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3741] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3741] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3741] write(3, "1000", 4) = 4 [pid 3741] close(3) = 0 [pid 3741] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3741] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3741] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3741] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3741] openat(3, "freezer.state", O_RDWR) = 4 [pid 3741] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3741] close(3) = 0 [pid 3741] close(4) = 0 [pid 3741] close(5) = -1 EBADF (Bad file descriptor) [pid 3741] close(6) = -1 EBADF (Bad file descriptor) [pid 3741] close(7) = -1 EBADF (Bad file descriptor) [pid 3741] close(8) = -1 EBADF (Bad file descriptor) [pid 3741] close(9) = -1 EBADF (Bad file descriptor) [pid 3741] close(10) = -1 EBADF (Bad file descriptor) [pid 3741] close(11) = -1 EBADF (Bad file descriptor) [pid 3741] close(12) = -1 EBADF (Bad file descriptor) [pid 3741] close(13) = -1 EBADF (Bad file descriptor) [pid 3741] close(14) = -1 EBADF (Bad file descriptor) [pid 3741] close(15) = -1 EBADF (Bad file descriptor) [pid 3741] close(16) = -1 EBADF (Bad file descriptor) [pid 3741] close(17) = -1 EBADF (Bad file descriptor) [pid 3741] close(18) = -1 EBADF (Bad file descriptor) [pid 3741] close(19) = -1 EBADF (Bad file descriptor) [pid 3741] close(20) = -1 EBADF (Bad file descriptor) [pid 3741] close(21) = -1 EBADF (Bad file descriptor) [pid 3741] close(22) = -1 EBADF (Bad file descriptor) [pid 3741] close(23) = -1 EBADF (Bad file descriptor) [pid 3741] close(24) = -1 EBADF (Bad file descriptor) [pid 3741] close(25) = -1 EBADF (Bad file descriptor) [pid 3741] close(26) = -1 EBADF (Bad file descriptor) [pid 3741] close(27) = -1 EBADF (Bad file descriptor) [pid 3741] close(28) = -1 EBADF (Bad file descriptor) [pid 3741] close(29) = -1 EBADF (Bad file descriptor) [pid 3741] exit_group(0) = ? [pid 3741] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./135/binderfs") = 0 [pid 3605] umount2("./135/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./135/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./135/cgroup") = 0 [pid 3605] umount2("./135/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./135/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./135/cgroup.net") = 0 [pid 3605] umount2("./135/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./135/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./135/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./135") = 0 [pid 3605] mkdir("./136", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3742 attached , child_tidptr=0x555556c0f5d0) = 138 [pid 3742] chdir("./136") = 0 [pid 3742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3742] setpgid(0, 0) = 0 [pid 3742] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3742] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3742] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3742] write(3, "1000", 4) = 4 [pid 3742] close(3) = 0 [pid 3742] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3742] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3742] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3742] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3742] openat(3, "freezer.state", O_RDWR) = 4 [pid 3742] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3742] close(3) = 0 [pid 3742] close(4) = 0 [pid 3742] close(5) = -1 EBADF (Bad file descriptor) [pid 3742] close(6) = -1 EBADF (Bad file descriptor) [pid 3742] close(7) = -1 EBADF (Bad file descriptor) [pid 3742] close(8) = -1 EBADF (Bad file descriptor) [pid 3742] close(9) = -1 EBADF (Bad file descriptor) [pid 3742] close(10) = -1 EBADF (Bad file descriptor) [pid 3742] close(11) = -1 EBADF (Bad file descriptor) [pid 3742] close(12) = -1 EBADF (Bad file descriptor) [pid 3742] close(13) = -1 EBADF (Bad file descriptor) [pid 3742] close(14) = -1 EBADF (Bad file descriptor) [pid 3742] close(15) = -1 EBADF (Bad file descriptor) [pid 3742] close(16) = -1 EBADF (Bad file descriptor) [pid 3742] close(17) = -1 EBADF (Bad file descriptor) [pid 3742] close(18) = -1 EBADF (Bad file descriptor) [pid 3742] close(19) = -1 EBADF (Bad file descriptor) [pid 3742] close(20) = -1 EBADF (Bad file descriptor) [pid 3742] close(21) = -1 EBADF (Bad file descriptor) [pid 3742] close(22) = -1 EBADF (Bad file descriptor) [pid 3742] close(23) = -1 EBADF (Bad file descriptor) [pid 3742] close(24) = -1 EBADF (Bad file descriptor) [pid 3742] close(25) = -1 EBADF (Bad file descriptor) [pid 3742] close(26) = -1 EBADF (Bad file descriptor) [pid 3742] close(27) = -1 EBADF (Bad file descriptor) [pid 3742] close(28) = -1 EBADF (Bad file descriptor) [pid 3742] close(29) = -1 EBADF (Bad file descriptor) [pid 3742] exit_group(0) = ? [pid 3742] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./136/binderfs") = 0 [pid 3605] umount2("./136/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./136/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./136/cgroup") = 0 [pid 3605] umount2("./136/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./136/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./136/cgroup.net") = 0 [pid 3605] umount2("./136/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./136/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./136/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./136") = 0 [pid 3605] mkdir("./137", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3743 attached , child_tidptr=0x555556c0f5d0) = 139 [pid 3743] chdir("./137") = 0 [pid 3743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3743] setpgid(0, 0) = 0 [pid 3743] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3743] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3743] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3743] write(3, "1000", 4) = 4 [pid 3743] close(3) = 0 [pid 3743] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3743] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3743] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3743] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3743] openat(3, "freezer.state", O_RDWR) = 4 [pid 3743] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3743] close(3) = 0 [pid 3743] close(4) = 0 [pid 3743] close(5) = -1 EBADF (Bad file descriptor) [pid 3743] close(6) = -1 EBADF (Bad file descriptor) [pid 3743] close(7) = -1 EBADF (Bad file descriptor) [pid 3743] close(8) = -1 EBADF (Bad file descriptor) [pid 3743] close(9) = -1 EBADF (Bad file descriptor) [pid 3743] close(10) = -1 EBADF (Bad file descriptor) [pid 3743] close(11) = -1 EBADF (Bad file descriptor) [pid 3743] close(12) = -1 EBADF (Bad file descriptor) [pid 3743] close(13) = -1 EBADF (Bad file descriptor) [pid 3743] close(14) = -1 EBADF (Bad file descriptor) [pid 3743] close(15) = -1 EBADF (Bad file descriptor) [pid 3743] close(16) = -1 EBADF (Bad file descriptor) [pid 3743] close(17) = -1 EBADF (Bad file descriptor) [pid 3743] close(18) = -1 EBADF (Bad file descriptor) [pid 3743] close(19) = -1 EBADF (Bad file descriptor) [pid 3743] close(20) = -1 EBADF (Bad file descriptor) [pid 3743] close(21) = -1 EBADF (Bad file descriptor) [pid 3743] close(22) = -1 EBADF (Bad file descriptor) [pid 3743] close(23) = -1 EBADF (Bad file descriptor) [pid 3743] close(24) = -1 EBADF (Bad file descriptor) [pid 3743] close(25) = -1 EBADF (Bad file descriptor) [pid 3743] close(26) = -1 EBADF (Bad file descriptor) [pid 3743] close(27) = -1 EBADF (Bad file descriptor) [pid 3743] close(28) = -1 EBADF (Bad file descriptor) [pid 3743] close(29) = -1 EBADF (Bad file descriptor) [pid 3743] exit_group(0) = ? [pid 3743] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./137/binderfs") = 0 [pid 3605] umount2("./137/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./137/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./137/cgroup") = 0 [pid 3605] umount2("./137/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./137/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./137/cgroup.net") = 0 [pid 3605] umount2("./137/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./137/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./137/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./137") = 0 [pid 3605] mkdir("./138", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3744 attached , child_tidptr=0x555556c0f5d0) = 140 [pid 3744] chdir("./138") = 0 [pid 3744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3744] setpgid(0, 0) = 0 [pid 3744] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3744] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3744] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3744] write(3, "1000", 4) = 4 [pid 3744] close(3) = 0 [pid 3744] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3744] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3744] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3744] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3744] openat(3, "freezer.state", O_RDWR) = 4 [pid 3744] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3744] close(3) = 0 [pid 3744] close(4) = 0 [pid 3744] close(5) = -1 EBADF (Bad file descriptor) [pid 3744] close(6) = -1 EBADF (Bad file descriptor) [pid 3744] close(7) = -1 EBADF (Bad file descriptor) [pid 3744] close(8) = -1 EBADF (Bad file descriptor) [pid 3744] close(9) = -1 EBADF (Bad file descriptor) [pid 3744] close(10) = -1 EBADF (Bad file descriptor) [pid 3744] close(11) = -1 EBADF (Bad file descriptor) [pid 3744] close(12) = -1 EBADF (Bad file descriptor) [pid 3744] close(13) = -1 EBADF (Bad file descriptor) [pid 3744] close(14) = -1 EBADF (Bad file descriptor) [pid 3744] close(15) = -1 EBADF (Bad file descriptor) [pid 3744] close(16) = -1 EBADF (Bad file descriptor) [pid 3744] close(17) = -1 EBADF (Bad file descriptor) [pid 3744] close(18) = -1 EBADF (Bad file descriptor) [pid 3744] close(19) = -1 EBADF (Bad file descriptor) [pid 3744] close(20) = -1 EBADF (Bad file descriptor) [pid 3744] close(21) = -1 EBADF (Bad file descriptor) [pid 3744] close(22) = -1 EBADF (Bad file descriptor) [pid 3744] close(23) = -1 EBADF (Bad file descriptor) [pid 3744] close(24) = -1 EBADF (Bad file descriptor) [pid 3744] close(25) = -1 EBADF (Bad file descriptor) [pid 3744] close(26) = -1 EBADF (Bad file descriptor) [pid 3744] close(27) = -1 EBADF (Bad file descriptor) [pid 3744] close(28) = -1 EBADF (Bad file descriptor) [pid 3744] close(29) = -1 EBADF (Bad file descriptor) [pid 3744] exit_group(0) = ? [pid 3744] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./138/binderfs") = 0 [pid 3605] umount2("./138/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./138/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./138/cgroup") = 0 [pid 3605] umount2("./138/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./138/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./138/cgroup.net") = 0 [pid 3605] umount2("./138/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./138/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./138/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./138") = 0 [pid 3605] mkdir("./139", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3745 attached [pid 3745] chdir("./139") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 141 [pid 3745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3745] setpgid(0, 0) = 0 [pid 3745] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3745] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3745] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3745] write(3, "1000", 4) = 4 [pid 3745] close(3) = 0 [pid 3745] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3745] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3745] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3745] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3745] openat(3, "freezer.state", O_RDWR) = 4 [pid 3745] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3745] close(3) = 0 [pid 3745] close(4) = 0 [pid 3745] close(5) = -1 EBADF (Bad file descriptor) [pid 3745] close(6) = -1 EBADF (Bad file descriptor) [pid 3745] close(7) = -1 EBADF (Bad file descriptor) [pid 3745] close(8) = -1 EBADF (Bad file descriptor) [pid 3745] close(9) = -1 EBADF (Bad file descriptor) [pid 3745] close(10) = -1 EBADF (Bad file descriptor) [pid 3745] close(11) = -1 EBADF (Bad file descriptor) [pid 3745] close(12) = -1 EBADF (Bad file descriptor) [pid 3745] close(13) = -1 EBADF (Bad file descriptor) [pid 3745] close(14) = -1 EBADF (Bad file descriptor) [pid 3745] close(15) = -1 EBADF (Bad file descriptor) [pid 3745] close(16) = -1 EBADF (Bad file descriptor) [pid 3745] close(17) = -1 EBADF (Bad file descriptor) [pid 3745] close(18) = -1 EBADF (Bad file descriptor) [pid 3745] close(19) = -1 EBADF (Bad file descriptor) [pid 3745] close(20) = -1 EBADF (Bad file descriptor) [pid 3745] close(21) = -1 EBADF (Bad file descriptor) [pid 3745] close(22) = -1 EBADF (Bad file descriptor) [pid 3745] close(23) = -1 EBADF (Bad file descriptor) [pid 3745] close(24) = -1 EBADF (Bad file descriptor) [pid 3745] close(25) = -1 EBADF (Bad file descriptor) [pid 3745] close(26) = -1 EBADF (Bad file descriptor) [pid 3745] close(27) = -1 EBADF (Bad file descriptor) [pid 3745] close(28) = -1 EBADF (Bad file descriptor) [pid 3745] close(29) = -1 EBADF (Bad file descriptor) [pid 3745] exit_group(0) = ? [pid 3745] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./139/binderfs") = 0 [pid 3605] umount2("./139/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./139/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./139/cgroup") = 0 [pid 3605] umount2("./139/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./139/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./139/cgroup.net") = 0 [pid 3605] umount2("./139/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./139/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./139/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./139") = 0 [pid 3605] mkdir("./140", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3746 attached [pid 3746] chdir("./140") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 142 [pid 3746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3746] setpgid(0, 0) = 0 [pid 3746] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3746] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3746] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3746] write(3, "1000", 4) = 4 [pid 3746] close(3) = 0 [pid 3746] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3746] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3746] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3746] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3746] openat(3, "freezer.state", O_RDWR) = 4 [pid 3746] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3746] close(3) = 0 [pid 3746] close(4) = 0 [pid 3746] close(5) = -1 EBADF (Bad file descriptor) [pid 3746] close(6) = -1 EBADF (Bad file descriptor) [pid 3746] close(7) = -1 EBADF (Bad file descriptor) [pid 3746] close(8) = -1 EBADF (Bad file descriptor) [pid 3746] close(9) = -1 EBADF (Bad file descriptor) [pid 3746] close(10) = -1 EBADF (Bad file descriptor) [pid 3746] close(11) = -1 EBADF (Bad file descriptor) [pid 3746] close(12) = -1 EBADF (Bad file descriptor) [pid 3746] close(13) = -1 EBADF (Bad file descriptor) [pid 3746] close(14) = -1 EBADF (Bad file descriptor) [pid 3746] close(15) = -1 EBADF (Bad file descriptor) [pid 3746] close(16) = -1 EBADF (Bad file descriptor) [pid 3746] close(17) = -1 EBADF (Bad file descriptor) [pid 3746] close(18) = -1 EBADF (Bad file descriptor) [pid 3746] close(19) = -1 EBADF (Bad file descriptor) [pid 3746] close(20) = -1 EBADF (Bad file descriptor) [pid 3746] close(21) = -1 EBADF (Bad file descriptor) [pid 3746] close(22) = -1 EBADF (Bad file descriptor) [pid 3746] close(23) = -1 EBADF (Bad file descriptor) [pid 3746] close(24) = -1 EBADF (Bad file descriptor) [pid 3746] close(25) = -1 EBADF (Bad file descriptor) [pid 3746] close(26) = -1 EBADF (Bad file descriptor) [pid 3746] close(27) = -1 EBADF (Bad file descriptor) [pid 3746] close(28) = -1 EBADF (Bad file descriptor) [pid 3746] close(29) = -1 EBADF (Bad file descriptor) [pid 3746] exit_group(0) = ? [pid 3746] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./140/binderfs") = 0 [pid 3605] umount2("./140/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./140/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./140/cgroup") = 0 [pid 3605] umount2("./140/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./140/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./140/cgroup.net") = 0 [pid 3605] umount2("./140/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./140/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./140/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./140") = 0 [pid 3605] mkdir("./141", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3747 attached [pid 3747] chdir("./141") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 143 [pid 3747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3747] setpgid(0, 0) = 0 [pid 3747] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3747] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3747] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3747] write(3, "1000", 4) = 4 [pid 3747] close(3) = 0 [pid 3747] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3747] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3747] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3747] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3747] openat(3, "freezer.state", O_RDWR) = 4 [pid 3747] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3747] close(3) = 0 [pid 3747] close(4) = 0 [pid 3747] close(5) = -1 EBADF (Bad file descriptor) [pid 3747] close(6) = -1 EBADF (Bad file descriptor) [pid 3747] close(7) = -1 EBADF (Bad file descriptor) [pid 3747] close(8) = -1 EBADF (Bad file descriptor) [pid 3747] close(9) = -1 EBADF (Bad file descriptor) [pid 3747] close(10) = -1 EBADF (Bad file descriptor) [pid 3747] close(11) = -1 EBADF (Bad file descriptor) [pid 3747] close(12) = -1 EBADF (Bad file descriptor) [pid 3747] close(13) = -1 EBADF (Bad file descriptor) [pid 3747] close(14) = -1 EBADF (Bad file descriptor) [pid 3747] close(15) = -1 EBADF (Bad file descriptor) [pid 3747] close(16) = -1 EBADF (Bad file descriptor) [pid 3747] close(17) = -1 EBADF (Bad file descriptor) [pid 3747] close(18) = -1 EBADF (Bad file descriptor) [pid 3747] close(19) = -1 EBADF (Bad file descriptor) [pid 3747] close(20) = -1 EBADF (Bad file descriptor) [pid 3747] close(21) = -1 EBADF (Bad file descriptor) [pid 3747] close(22) = -1 EBADF (Bad file descriptor) [pid 3747] close(23) = -1 EBADF (Bad file descriptor) [pid 3747] close(24) = -1 EBADF (Bad file descriptor) [pid 3747] close(25) = -1 EBADF (Bad file descriptor) [pid 3747] close(26) = -1 EBADF (Bad file descriptor) [pid 3747] close(27) = -1 EBADF (Bad file descriptor) [pid 3747] close(28) = -1 EBADF (Bad file descriptor) [pid 3747] close(29) = -1 EBADF (Bad file descriptor) [pid 3747] exit_group(0) = ? [pid 3747] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 3605] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./141/binderfs") = 0 [pid 3605] umount2("./141/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./141/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./141/cgroup") = 0 [pid 3605] umount2("./141/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./141/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./141/cgroup.net") = 0 [pid 3605] umount2("./141/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./141/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./141/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./141") = 0 [pid 3605] mkdir("./142", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3748 attached [pid 3748] chdir("./142") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 144 [pid 3748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3748] setpgid(0, 0) = 0 [pid 3748] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3748] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3748] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3748] write(3, "1000", 4) = 4 [pid 3748] close(3) = 0 [pid 3748] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3748] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3748] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3748] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3748] openat(3, "freezer.state", O_RDWR) = 4 [pid 3748] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3748] close(3) = 0 [pid 3748] close(4) = 0 [pid 3748] close(5) = -1 EBADF (Bad file descriptor) [pid 3748] close(6) = -1 EBADF (Bad file descriptor) [pid 3748] close(7) = -1 EBADF (Bad file descriptor) [pid 3748] close(8) = -1 EBADF (Bad file descriptor) [pid 3748] close(9) = -1 EBADF (Bad file descriptor) [pid 3748] close(10) = -1 EBADF (Bad file descriptor) [pid 3748] close(11) = -1 EBADF (Bad file descriptor) [pid 3748] close(12) = -1 EBADF (Bad file descriptor) [pid 3748] close(13) = -1 EBADF (Bad file descriptor) [pid 3748] close(14) = -1 EBADF (Bad file descriptor) [pid 3748] close(15) = -1 EBADF (Bad file descriptor) [pid 3748] close(16) = -1 EBADF (Bad file descriptor) [pid 3748] close(17) = -1 EBADF (Bad file descriptor) [pid 3748] close(18) = -1 EBADF (Bad file descriptor) [pid 3748] close(19) = -1 EBADF (Bad file descriptor) [pid 3748] close(20) = -1 EBADF (Bad file descriptor) [pid 3748] close(21) = -1 EBADF (Bad file descriptor) [pid 3748] close(22) = -1 EBADF (Bad file descriptor) [pid 3748] close(23) = -1 EBADF (Bad file descriptor) [pid 3748] close(24) = -1 EBADF (Bad file descriptor) [pid 3748] close(25) = -1 EBADF (Bad file descriptor) [pid 3748] close(26) = -1 EBADF (Bad file descriptor) [pid 3748] close(27) = -1 EBADF (Bad file descriptor) [pid 3748] close(28) = -1 EBADF (Bad file descriptor) [pid 3748] close(29) = -1 EBADF (Bad file descriptor) [pid 3748] exit_group(0) = ? [pid 3748] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=1, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./142/binderfs") = 0 [pid 3605] umount2("./142/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./142/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./142/cgroup") = 0 [pid 3605] umount2("./142/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./142/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./142/cgroup.net") = 0 [pid 3605] umount2("./142/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./142/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./142/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./142") = 0 [pid 3605] mkdir("./143", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3749 attached [pid 3749] chdir("./143") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 145 [pid 3749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3749] setpgid(0, 0) = 0 [pid 3749] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3749] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3749] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3749] write(3, "1000", 4) = 4 [pid 3749] close(3) = 0 [pid 3749] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3749] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3749] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3749] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3749] openat(3, "freezer.state", O_RDWR) = 4 [pid 3749] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3749] close(3) = 0 [pid 3749] close(4) = 0 [pid 3749] close(5) = -1 EBADF (Bad file descriptor) [pid 3749] close(6) = -1 EBADF (Bad file descriptor) [pid 3749] close(7) = -1 EBADF (Bad file descriptor) [pid 3749] close(8) = -1 EBADF (Bad file descriptor) [pid 3749] close(9) = -1 EBADF (Bad file descriptor) [pid 3749] close(10) = -1 EBADF (Bad file descriptor) [pid 3749] close(11) = -1 EBADF (Bad file descriptor) [pid 3749] close(12) = -1 EBADF (Bad file descriptor) [pid 3749] close(13) = -1 EBADF (Bad file descriptor) [pid 3749] close(14) = -1 EBADF (Bad file descriptor) [pid 3749] close(15) = -1 EBADF (Bad file descriptor) [pid 3749] close(16) = -1 EBADF (Bad file descriptor) [pid 3749] close(17) = -1 EBADF (Bad file descriptor) [pid 3749] close(18) = -1 EBADF (Bad file descriptor) [pid 3749] close(19) = -1 EBADF (Bad file descriptor) [pid 3749] close(20) = -1 EBADF (Bad file descriptor) [pid 3749] close(21) = -1 EBADF (Bad file descriptor) [pid 3749] close(22) = -1 EBADF (Bad file descriptor) [pid 3749] close(23) = -1 EBADF (Bad file descriptor) [pid 3749] close(24) = -1 EBADF (Bad file descriptor) [pid 3749] close(25) = -1 EBADF (Bad file descriptor) [pid 3749] close(26) = -1 EBADF (Bad file descriptor) [pid 3749] close(27) = -1 EBADF (Bad file descriptor) [pid 3749] close(28) = -1 EBADF (Bad file descriptor) [pid 3749] close(29) = -1 EBADF (Bad file descriptor) [pid 3749] exit_group(0) = ? [pid 3749] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./143/binderfs") = 0 [pid 3605] umount2("./143/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./143/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./143/cgroup") = 0 [pid 3605] umount2("./143/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./143/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./143/cgroup.net") = 0 [pid 3605] umount2("./143/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./143/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./143/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./143") = 0 [pid 3605] mkdir("./144", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3750 attached [pid 3750] chdir("./144") = 0 [pid 3750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3750] setpgid(0, 0) = 0 [pid 3750] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 146 [pid 3750] <... symlink resumed>) = 0 [pid 3750] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3750] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3750] write(3, "1000", 4) = 4 [pid 3750] close(3) = 0 [pid 3750] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3750] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3750] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3750] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3750] openat(3, "freezer.state", O_RDWR) = 4 [pid 3750] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3750] close(3) = 0 [pid 3750] close(4) = 0 [pid 3750] close(5) = -1 EBADF (Bad file descriptor) [pid 3750] close(6) = -1 EBADF (Bad file descriptor) [pid 3750] close(7) = -1 EBADF (Bad file descriptor) [pid 3750] close(8) = -1 EBADF (Bad file descriptor) [pid 3750] close(9) = -1 EBADF (Bad file descriptor) [pid 3750] close(10) = -1 EBADF (Bad file descriptor) [pid 3750] close(11) = -1 EBADF (Bad file descriptor) [pid 3750] close(12) = -1 EBADF (Bad file descriptor) [pid 3750] close(13) = -1 EBADF (Bad file descriptor) [pid 3750] close(14) = -1 EBADF (Bad file descriptor) [pid 3750] close(15) = -1 EBADF (Bad file descriptor) [pid 3750] close(16) = -1 EBADF (Bad file descriptor) [pid 3750] close(17) = -1 EBADF (Bad file descriptor) [pid 3750] close(18) = -1 EBADF (Bad file descriptor) [pid 3750] close(19) = -1 EBADF (Bad file descriptor) [pid 3750] close(20) = -1 EBADF (Bad file descriptor) [pid 3750] close(21) = -1 EBADF (Bad file descriptor) [pid 3750] close(22) = -1 EBADF (Bad file descriptor) [pid 3750] close(23) = -1 EBADF (Bad file descriptor) [pid 3750] close(24) = -1 EBADF (Bad file descriptor) [pid 3750] close(25) = -1 EBADF (Bad file descriptor) [pid 3750] close(26) = -1 EBADF (Bad file descriptor) [pid 3750] close(27) = -1 EBADF (Bad file descriptor) [pid 3750] close(28) = -1 EBADF (Bad file descriptor) [pid 3750] close(29) = -1 EBADF (Bad file descriptor) [pid 3750] exit_group(0) = ? [pid 3750] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./144/binderfs") = 0 [pid 3605] umount2("./144/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./144/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./144/cgroup") = 0 [pid 3605] umount2("./144/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./144/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./144/cgroup.net") = 0 [pid 3605] umount2("./144/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./144/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./144/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./144") = 0 [pid 3605] mkdir("./145", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3751 attached [pid 3751] chdir("./145") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 147 [pid 3751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3751] setpgid(0, 0) = 0 [pid 3751] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3751] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3751] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3751] write(3, "1000", 4) = 4 [pid 3751] close(3) = 0 [pid 3751] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3751] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3751] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3751] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3751] openat(3, "freezer.state", O_RDWR) = 4 [pid 3751] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3751] close(3) = 0 [pid 3751] close(4) = 0 [pid 3751] close(5) = -1 EBADF (Bad file descriptor) [pid 3751] close(6) = -1 EBADF (Bad file descriptor) [pid 3751] close(7) = -1 EBADF (Bad file descriptor) [pid 3751] close(8) = -1 EBADF (Bad file descriptor) [pid 3751] close(9) = -1 EBADF (Bad file descriptor) [pid 3751] close(10) = -1 EBADF (Bad file descriptor) [pid 3751] close(11) = -1 EBADF (Bad file descriptor) [pid 3751] close(12) = -1 EBADF (Bad file descriptor) [pid 3751] close(13) = -1 EBADF (Bad file descriptor) [pid 3751] close(14) = -1 EBADF (Bad file descriptor) [pid 3751] close(15) = -1 EBADF (Bad file descriptor) [pid 3751] close(16) = -1 EBADF (Bad file descriptor) [pid 3751] close(17) = -1 EBADF (Bad file descriptor) [pid 3751] close(18) = -1 EBADF (Bad file descriptor) [pid 3751] close(19) = -1 EBADF (Bad file descriptor) [pid 3751] close(20) = -1 EBADF (Bad file descriptor) [pid 3751] close(21) = -1 EBADF (Bad file descriptor) [pid 3751] close(22) = -1 EBADF (Bad file descriptor) [pid 3751] close(23) = -1 EBADF (Bad file descriptor) [pid 3751] close(24) = -1 EBADF (Bad file descriptor) [pid 3751] close(25) = -1 EBADF (Bad file descriptor) [pid 3751] close(26) = -1 EBADF (Bad file descriptor) [pid 3751] close(27) = -1 EBADF (Bad file descriptor) [pid 3751] close(28) = -1 EBADF (Bad file descriptor) [pid 3751] close(29) = -1 EBADF (Bad file descriptor) [pid 3751] exit_group(0) = ? [pid 3751] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./145/binderfs") = 0 [pid 3605] umount2("./145/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./145/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./145/cgroup") = 0 [pid 3605] umount2("./145/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./145/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./145/cgroup.net") = 0 [pid 3605] umount2("./145/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./145/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./145/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./145") = 0 [pid 3605] mkdir("./146", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3752 attached [pid 3752] chdir("./146") = 0 [pid 3752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 148 [pid 3752] <... prctl resumed>) = 0 [pid 3752] setpgid(0, 0) = 0 [pid 3752] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3752] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3752] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3752] write(3, "1000", 4) = 4 [pid 3752] close(3) = 0 [pid 3752] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3752] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3752] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3752] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3752] openat(3, "freezer.state", O_RDWR) = 4 [pid 3752] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3752] close(3) = 0 [pid 3752] close(4) = 0 [pid 3752] close(5) = -1 EBADF (Bad file descriptor) [pid 3752] close(6) = -1 EBADF (Bad file descriptor) [pid 3752] close(7) = -1 EBADF (Bad file descriptor) [pid 3752] close(8) = -1 EBADF (Bad file descriptor) [pid 3752] close(9) = -1 EBADF (Bad file descriptor) [pid 3752] close(10) = -1 EBADF (Bad file descriptor) [pid 3752] close(11) = -1 EBADF (Bad file descriptor) [pid 3752] close(12) = -1 EBADF (Bad file descriptor) [pid 3752] close(13) = -1 EBADF (Bad file descriptor) [pid 3752] close(14) = -1 EBADF (Bad file descriptor) [pid 3752] close(15) = -1 EBADF (Bad file descriptor) [pid 3752] close(16) = -1 EBADF (Bad file descriptor) [pid 3752] close(17) = -1 EBADF (Bad file descriptor) [pid 3752] close(18) = -1 EBADF (Bad file descriptor) [pid 3752] close(19) = -1 EBADF (Bad file descriptor) [pid 3752] close(20) = -1 EBADF (Bad file descriptor) [pid 3752] close(21) = -1 EBADF (Bad file descriptor) [pid 3752] close(22) = -1 EBADF (Bad file descriptor) [pid 3752] close(23) = -1 EBADF (Bad file descriptor) [pid 3752] close(24) = -1 EBADF (Bad file descriptor) [pid 3752] close(25) = -1 EBADF (Bad file descriptor) [pid 3752] close(26) = -1 EBADF (Bad file descriptor) [pid 3752] close(27) = -1 EBADF (Bad file descriptor) [pid 3752] close(28) = -1 EBADF (Bad file descriptor) [pid 3752] close(29) = -1 EBADF (Bad file descriptor) [pid 3752] exit_group(0) = ? [pid 3752] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./146/binderfs") = 0 [pid 3605] umount2("./146/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./146/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./146/cgroup") = 0 [pid 3605] umount2("./146/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./146/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./146/cgroup.net") = 0 [pid 3605] umount2("./146/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./146/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./146/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./146") = 0 [pid 3605] mkdir("./147", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3753 attached [pid 3753] chdir("./147") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 149 [pid 3753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3753] setpgid(0, 0) = 0 [pid 3753] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3753] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3753] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3753] write(3, "1000", 4) = 4 [pid 3753] close(3) = 0 [pid 3753] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3753] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3753] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3753] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3753] openat(3, "freezer.state", O_RDWR) = 4 [pid 3753] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3753] close(3) = 0 [pid 3753] close(4) = 0 [pid 3753] close(5) = -1 EBADF (Bad file descriptor) [pid 3753] close(6) = -1 EBADF (Bad file descriptor) [pid 3753] close(7) = -1 EBADF (Bad file descriptor) [pid 3753] close(8) = -1 EBADF (Bad file descriptor) [pid 3753] close(9) = -1 EBADF (Bad file descriptor) [pid 3753] close(10) = -1 EBADF (Bad file descriptor) [pid 3753] close(11) = -1 EBADF (Bad file descriptor) [pid 3753] close(12) = -1 EBADF (Bad file descriptor) [pid 3753] close(13) = -1 EBADF (Bad file descriptor) [pid 3753] close(14) = -1 EBADF (Bad file descriptor) [pid 3753] close(15) = -1 EBADF (Bad file descriptor) [pid 3753] close(16) = -1 EBADF (Bad file descriptor) [pid 3753] close(17) = -1 EBADF (Bad file descriptor) [pid 3753] close(18) = -1 EBADF (Bad file descriptor) [pid 3753] close(19) = -1 EBADF (Bad file descriptor) [pid 3753] close(20) = -1 EBADF (Bad file descriptor) [pid 3753] close(21) = -1 EBADF (Bad file descriptor) [pid 3753] close(22) = -1 EBADF (Bad file descriptor) [pid 3753] close(23) = -1 EBADF (Bad file descriptor) [pid 3753] close(24) = -1 EBADF (Bad file descriptor) [pid 3753] close(25) = -1 EBADF (Bad file descriptor) [pid 3753] close(26) = -1 EBADF (Bad file descriptor) [pid 3753] close(27) = -1 EBADF (Bad file descriptor) [pid 3753] close(28) = -1 EBADF (Bad file descriptor) [pid 3753] close(29) = -1 EBADF (Bad file descriptor) [pid 3753] exit_group(0) = ? [pid 3753] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./147/binderfs") = 0 [pid 3605] umount2("./147/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./147/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./147/cgroup") = 0 [pid 3605] umount2("./147/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./147/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./147/cgroup.net") = 0 [pid 3605] umount2("./147/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./147/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./147/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./147") = 0 [pid 3605] mkdir("./148", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3754 attached , child_tidptr=0x555556c0f5d0) = 150 [pid 3754] chdir("./148") = 0 [pid 3754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3754] setpgid(0, 0) = 0 [pid 3754] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3754] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3754] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3754] write(3, "1000", 4) = 4 [pid 3754] close(3) = 0 [pid 3754] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3754] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3754] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3754] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3754] openat(3, "freezer.state", O_RDWR) = 4 [pid 3754] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3754] close(3) = 0 [pid 3754] close(4) = 0 [pid 3754] close(5) = -1 EBADF (Bad file descriptor) [pid 3754] close(6) = -1 EBADF (Bad file descriptor) [pid 3754] close(7) = -1 EBADF (Bad file descriptor) [pid 3754] close(8) = -1 EBADF (Bad file descriptor) [pid 3754] close(9) = -1 EBADF (Bad file descriptor) [pid 3754] close(10) = -1 EBADF (Bad file descriptor) [pid 3754] close(11) = -1 EBADF (Bad file descriptor) [pid 3754] close(12) = -1 EBADF (Bad file descriptor) [pid 3754] close(13) = -1 EBADF (Bad file descriptor) [pid 3754] close(14) = -1 EBADF (Bad file descriptor) [pid 3754] close(15) = -1 EBADF (Bad file descriptor) [pid 3754] close(16) = -1 EBADF (Bad file descriptor) [pid 3754] close(17) = -1 EBADF (Bad file descriptor) [pid 3754] close(18) = -1 EBADF (Bad file descriptor) [pid 3754] close(19) = -1 EBADF (Bad file descriptor) [pid 3754] close(20) = -1 EBADF (Bad file descriptor) [pid 3754] close(21) = -1 EBADF (Bad file descriptor) [pid 3754] close(22) = -1 EBADF (Bad file descriptor) [pid 3754] close(23) = -1 EBADF (Bad file descriptor) [pid 3754] close(24) = -1 EBADF (Bad file descriptor) [pid 3754] close(25) = -1 EBADF (Bad file descriptor) [pid 3754] close(26) = -1 EBADF (Bad file descriptor) [pid 3754] close(27) = -1 EBADF (Bad file descriptor) [pid 3754] close(28) = -1 EBADF (Bad file descriptor) [pid 3754] close(29) = -1 EBADF (Bad file descriptor) [pid 3754] exit_group(0) = ? [pid 3754] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./148/binderfs") = 0 [pid 3605] umount2("./148/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./148/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./148/cgroup") = 0 [pid 3605] umount2("./148/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./148/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./148/cgroup.net") = 0 [pid 3605] umount2("./148/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./148/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./148/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./148") = 0 [pid 3605] mkdir("./149", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3755 attached , child_tidptr=0x555556c0f5d0) = 151 [pid 3755] chdir("./149") = 0 [pid 3755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3755] setpgid(0, 0) = 0 [pid 3755] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3755] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3755] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3755] write(3, "1000", 4) = 4 [pid 3755] close(3) = 0 [pid 3755] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3755] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3755] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3755] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3755] openat(3, "freezer.state", O_RDWR) = 4 [pid 3755] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3755] close(3) = 0 [pid 3755] close(4) = 0 [pid 3755] close(5) = -1 EBADF (Bad file descriptor) [pid 3755] close(6) = -1 EBADF (Bad file descriptor) [pid 3755] close(7) = -1 EBADF (Bad file descriptor) [pid 3755] close(8) = -1 EBADF (Bad file descriptor) [pid 3755] close(9) = -1 EBADF (Bad file descriptor) [pid 3755] close(10) = -1 EBADF (Bad file descriptor) [pid 3755] close(11) = -1 EBADF (Bad file descriptor) [pid 3755] close(12) = -1 EBADF (Bad file descriptor) [pid 3755] close(13) = -1 EBADF (Bad file descriptor) [pid 3755] close(14) = -1 EBADF (Bad file descriptor) [pid 3755] close(15) = -1 EBADF (Bad file descriptor) [pid 3755] close(16) = -1 EBADF (Bad file descriptor) [pid 3755] close(17) = -1 EBADF (Bad file descriptor) [pid 3755] close(18) = -1 EBADF (Bad file descriptor) [pid 3755] close(19) = -1 EBADF (Bad file descriptor) [pid 3755] close(20) = -1 EBADF (Bad file descriptor) [pid 3755] close(21) = -1 EBADF (Bad file descriptor) [pid 3755] close(22) = -1 EBADF (Bad file descriptor) [pid 3755] close(23) = -1 EBADF (Bad file descriptor) [pid 3755] close(24) = -1 EBADF (Bad file descriptor) [pid 3755] close(25) = -1 EBADF (Bad file descriptor) [pid 3755] close(26) = -1 EBADF (Bad file descriptor) [pid 3755] close(27) = -1 EBADF (Bad file descriptor) [pid 3755] close(28) = -1 EBADF (Bad file descriptor) [pid 3755] close(29) = -1 EBADF (Bad file descriptor) [pid 3755] exit_group(0) = ? [pid 3755] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./149/binderfs") = 0 [pid 3605] umount2("./149/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./149/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./149/cgroup") = 0 [pid 3605] umount2("./149/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./149/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./149/cgroup.net") = 0 [pid 3605] umount2("./149/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./149/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./149/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./149") = 0 [pid 3605] mkdir("./150", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 152 ./strace-static-x86_64: Process 3756 attached [pid 3756] chdir("./150") = 0 [pid 3756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3756] setpgid(0, 0) = 0 [pid 3756] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3756] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3756] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3756] write(3, "1000", 4) = 4 [pid 3756] close(3) = 0 [pid 3756] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3756] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3756] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3756] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3756] openat(3, "freezer.state", O_RDWR) = 4 [pid 3756] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3756] close(3) = 0 [pid 3756] close(4) = 0 [pid 3756] close(5) = -1 EBADF (Bad file descriptor) [pid 3756] close(6) = -1 EBADF (Bad file descriptor) [pid 3756] close(7) = -1 EBADF (Bad file descriptor) [pid 3756] close(8) = -1 EBADF (Bad file descriptor) [pid 3756] close(9) = -1 EBADF (Bad file descriptor) [pid 3756] close(10) = -1 EBADF (Bad file descriptor) [pid 3756] close(11) = -1 EBADF (Bad file descriptor) [pid 3756] close(12) = -1 EBADF (Bad file descriptor) [pid 3756] close(13) = -1 EBADF (Bad file descriptor) [pid 3756] close(14) = -1 EBADF (Bad file descriptor) [pid 3756] close(15) = -1 EBADF (Bad file descriptor) [pid 3756] close(16) = -1 EBADF (Bad file descriptor) [pid 3756] close(17) = -1 EBADF (Bad file descriptor) [pid 3756] close(18) = -1 EBADF (Bad file descriptor) [pid 3756] close(19) = -1 EBADF (Bad file descriptor) [pid 3756] close(20) = -1 EBADF (Bad file descriptor) [pid 3756] close(21) = -1 EBADF (Bad file descriptor) [pid 3756] close(22) = -1 EBADF (Bad file descriptor) [pid 3756] close(23) = -1 EBADF (Bad file descriptor) [pid 3756] close(24) = -1 EBADF (Bad file descriptor) [pid 3756] close(25) = -1 EBADF (Bad file descriptor) [pid 3756] close(26) = -1 EBADF (Bad file descriptor) [pid 3756] close(27) = -1 EBADF (Bad file descriptor) [pid 3756] close(28) = -1 EBADF (Bad file descriptor) [pid 3756] close(29) = -1 EBADF (Bad file descriptor) [pid 3756] exit_group(0) = ? [pid 3756] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./150/binderfs") = 0 [pid 3605] umount2("./150/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./150/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./150/cgroup") = 0 [pid 3605] umount2("./150/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./150/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./150/cgroup.net") = 0 [pid 3605] umount2("./150/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./150/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./150/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./150") = 0 [pid 3605] mkdir("./151", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3757 attached [pid 3757] chdir("./151") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 153 [pid 3757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3757] setpgid(0, 0) = 0 [pid 3757] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3757] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3757] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3757] write(3, "1000", 4) = 4 [pid 3757] close(3) = 0 [pid 3757] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3757] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3757] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3757] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3757] openat(3, "freezer.state", O_RDWR) = 4 [pid 3757] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3757] close(3) = 0 [pid 3757] close(4) = 0 [pid 3757] close(5) = -1 EBADF (Bad file descriptor) [pid 3757] close(6) = -1 EBADF (Bad file descriptor) [pid 3757] close(7) = -1 EBADF (Bad file descriptor) [pid 3757] close(8) = -1 EBADF (Bad file descriptor) [pid 3757] close(9) = -1 EBADF (Bad file descriptor) [pid 3757] close(10) = -1 EBADF (Bad file descriptor) [pid 3757] close(11) = -1 EBADF (Bad file descriptor) [pid 3757] close(12) = -1 EBADF (Bad file descriptor) [pid 3757] close(13) = -1 EBADF (Bad file descriptor) [pid 3757] close(14) = -1 EBADF (Bad file descriptor) [pid 3757] close(15) = -1 EBADF (Bad file descriptor) [pid 3757] close(16) = -1 EBADF (Bad file descriptor) [pid 3757] close(17) = -1 EBADF (Bad file descriptor) [pid 3757] close(18) = -1 EBADF (Bad file descriptor) [pid 3757] close(19) = -1 EBADF (Bad file descriptor) [pid 3757] close(20) = -1 EBADF (Bad file descriptor) [pid 3757] close(21) = -1 EBADF (Bad file descriptor) [pid 3757] close(22) = -1 EBADF (Bad file descriptor) [pid 3757] close(23) = -1 EBADF (Bad file descriptor) [pid 3757] close(24) = -1 EBADF (Bad file descriptor) [pid 3757] close(25) = -1 EBADF (Bad file descriptor) [pid 3757] close(26) = -1 EBADF (Bad file descriptor) [pid 3757] close(27) = -1 EBADF (Bad file descriptor) [pid 3757] close(28) = -1 EBADF (Bad file descriptor) [pid 3757] close(29) = -1 EBADF (Bad file descriptor) [pid 3757] exit_group(0) = ? [pid 3757] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./151/binderfs") = 0 [pid 3605] umount2("./151/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./151/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./151/cgroup") = 0 [pid 3605] umount2("./151/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./151/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./151/cgroup.net") = 0 [pid 3605] umount2("./151/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./151/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./151/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./151") = 0 [pid 3605] mkdir("./152", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3758 attached , child_tidptr=0x555556c0f5d0) = 154 [pid 3758] chdir("./152") = 0 [pid 3758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3758] setpgid(0, 0) = 0 [pid 3758] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3758] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3758] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3758] write(3, "1000", 4) = 4 [pid 3758] close(3) = 0 [pid 3758] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3758] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3758] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3758] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3758] openat(3, "freezer.state", O_RDWR) = 4 [pid 3758] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3758] close(3) = 0 [pid 3758] close(4) = 0 [pid 3758] close(5) = -1 EBADF (Bad file descriptor) [pid 3758] close(6) = -1 EBADF (Bad file descriptor) [pid 3758] close(7) = -1 EBADF (Bad file descriptor) [pid 3758] close(8) = -1 EBADF (Bad file descriptor) [pid 3758] close(9) = -1 EBADF (Bad file descriptor) [pid 3758] close(10) = -1 EBADF (Bad file descriptor) [pid 3758] close(11) = -1 EBADF (Bad file descriptor) [pid 3758] close(12) = -1 EBADF (Bad file descriptor) [pid 3758] close(13) = -1 EBADF (Bad file descriptor) [pid 3758] close(14) = -1 EBADF (Bad file descriptor) [pid 3758] close(15) = -1 EBADF (Bad file descriptor) [pid 3758] close(16) = -1 EBADF (Bad file descriptor) [pid 3758] close(17) = -1 EBADF (Bad file descriptor) [pid 3758] close(18) = -1 EBADF (Bad file descriptor) [pid 3758] close(19) = -1 EBADF (Bad file descriptor) [pid 3758] close(20) = -1 EBADF (Bad file descriptor) [pid 3758] close(21) = -1 EBADF (Bad file descriptor) [pid 3758] close(22) = -1 EBADF (Bad file descriptor) [pid 3758] close(23) = -1 EBADF (Bad file descriptor) [pid 3758] close(24) = -1 EBADF (Bad file descriptor) [pid 3758] close(25) = -1 EBADF (Bad file descriptor) [pid 3758] close(26) = -1 EBADF (Bad file descriptor) [pid 3758] close(27) = -1 EBADF (Bad file descriptor) [pid 3758] close(28) = -1 EBADF (Bad file descriptor) [pid 3758] close(29) = -1 EBADF (Bad file descriptor) [pid 3758] exit_group(0) = ? [pid 3758] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./152/binderfs") = 0 [pid 3605] umount2("./152/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./152/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./152/cgroup") = 0 [pid 3605] umount2("./152/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./152/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./152/cgroup.net") = 0 [pid 3605] umount2("./152/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./152/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./152/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./152") = 0 [pid 3605] mkdir("./153", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3759 attached [pid 3759] chdir("./153") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 155 [pid 3759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3759] setpgid(0, 0) = 0 [pid 3759] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3759] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3759] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3759] write(3, "1000", 4) = 4 [pid 3759] close(3) = 0 [pid 3759] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3759] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3759] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3759] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3759] openat(3, "freezer.state", O_RDWR) = 4 [pid 3759] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3759] close(3) = 0 [pid 3759] close(4) = 0 [pid 3759] close(5) = -1 EBADF (Bad file descriptor) [pid 3759] close(6) = -1 EBADF (Bad file descriptor) [pid 3759] close(7) = -1 EBADF (Bad file descriptor) [pid 3759] close(8) = -1 EBADF (Bad file descriptor) [pid 3759] close(9) = -1 EBADF (Bad file descriptor) [pid 3759] close(10) = -1 EBADF (Bad file descriptor) [pid 3759] close(11) = -1 EBADF (Bad file descriptor) [pid 3759] close(12) = -1 EBADF (Bad file descriptor) [pid 3759] close(13) = -1 EBADF (Bad file descriptor) [pid 3759] close(14) = -1 EBADF (Bad file descriptor) [pid 3759] close(15) = -1 EBADF (Bad file descriptor) [pid 3759] close(16) = -1 EBADF (Bad file descriptor) [pid 3759] close(17) = -1 EBADF (Bad file descriptor) [pid 3759] close(18) = -1 EBADF (Bad file descriptor) [pid 3759] close(19) = -1 EBADF (Bad file descriptor) [pid 3759] close(20) = -1 EBADF (Bad file descriptor) [pid 3759] close(21) = -1 EBADF (Bad file descriptor) [pid 3759] close(22) = -1 EBADF (Bad file descriptor) [pid 3759] close(23) = -1 EBADF (Bad file descriptor) [pid 3759] close(24) = -1 EBADF (Bad file descriptor) [pid 3759] close(25) = -1 EBADF (Bad file descriptor) [pid 3759] close(26) = -1 EBADF (Bad file descriptor) [pid 3759] close(27) = -1 EBADF (Bad file descriptor) [pid 3759] close(28) = -1 EBADF (Bad file descriptor) [pid 3759] close(29) = -1 EBADF (Bad file descriptor) [pid 3759] exit_group(0) = ? [pid 3759] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./153/binderfs") = 0 [pid 3605] umount2("./153/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./153/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./153/cgroup") = 0 [pid 3605] umount2("./153/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./153/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./153/cgroup.net") = 0 [pid 3605] umount2("./153/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./153/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./153/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./153") = 0 [pid 3605] mkdir("./154", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3760 attached [pid 3760] chdir("./154") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 156 [pid 3760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3760] setpgid(0, 0) = 0 [pid 3760] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3760] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3760] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3760] write(3, "1000", 4) = 4 [pid 3760] close(3) = 0 [pid 3760] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3760] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3760] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3760] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3760] openat(3, "freezer.state", O_RDWR) = 4 [pid 3760] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3760] close(3) = 0 [pid 3760] close(4) = 0 [pid 3760] close(5) = -1 EBADF (Bad file descriptor) [pid 3760] close(6) = -1 EBADF (Bad file descriptor) [pid 3760] close(7) = -1 EBADF (Bad file descriptor) [pid 3760] close(8) = -1 EBADF (Bad file descriptor) [pid 3760] close(9) = -1 EBADF (Bad file descriptor) [pid 3760] close(10) = -1 EBADF (Bad file descriptor) [pid 3760] close(11) = -1 EBADF (Bad file descriptor) [pid 3760] close(12) = -1 EBADF (Bad file descriptor) [pid 3760] close(13) = -1 EBADF (Bad file descriptor) [pid 3760] close(14) = -1 EBADF (Bad file descriptor) [pid 3760] close(15) = -1 EBADF (Bad file descriptor) [pid 3760] close(16) = -1 EBADF (Bad file descriptor) [pid 3760] close(17) = -1 EBADF (Bad file descriptor) [pid 3760] close(18) = -1 EBADF (Bad file descriptor) [pid 3760] close(19) = -1 EBADF (Bad file descriptor) [pid 3760] close(20) = -1 EBADF (Bad file descriptor) [pid 3760] close(21) = -1 EBADF (Bad file descriptor) [pid 3760] close(22) = -1 EBADF (Bad file descriptor) [pid 3760] close(23) = -1 EBADF (Bad file descriptor) [pid 3760] close(24) = -1 EBADF (Bad file descriptor) [pid 3760] close(25) = -1 EBADF (Bad file descriptor) [pid 3760] close(26) = -1 EBADF (Bad file descriptor) [pid 3760] close(27) = -1 EBADF (Bad file descriptor) [pid 3760] close(28) = -1 EBADF (Bad file descriptor) [pid 3760] close(29) = -1 EBADF (Bad file descriptor) [pid 3760] exit_group(0) = ? [pid 3760] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./154/binderfs") = 0 [pid 3605] umount2("./154/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./154/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./154/cgroup") = 0 [pid 3605] umount2("./154/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./154/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./154/cgroup.net") = 0 [pid 3605] umount2("./154/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./154/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./154/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./154") = 0 [pid 3605] mkdir("./155", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3761 attached [pid 3761] chdir("./155") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 157 [pid 3761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3761] setpgid(0, 0) = 0 [pid 3761] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3761] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3761] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3761] write(3, "1000", 4) = 4 [pid 3761] close(3) = 0 [pid 3761] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3761] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3761] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3761] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3761] openat(3, "freezer.state", O_RDWR) = 4 [pid 3761] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3761] close(3) = 0 [pid 3761] close(4) = 0 [pid 3761] close(5) = -1 EBADF (Bad file descriptor) [pid 3761] close(6) = -1 EBADF (Bad file descriptor) [pid 3761] close(7) = -1 EBADF (Bad file descriptor) [pid 3761] close(8) = -1 EBADF (Bad file descriptor) [pid 3761] close(9) = -1 EBADF (Bad file descriptor) [pid 3761] close(10) = -1 EBADF (Bad file descriptor) [pid 3761] close(11) = -1 EBADF (Bad file descriptor) [pid 3761] close(12) = -1 EBADF (Bad file descriptor) [pid 3761] close(13) = -1 EBADF (Bad file descriptor) [pid 3761] close(14) = -1 EBADF (Bad file descriptor) [pid 3761] close(15) = -1 EBADF (Bad file descriptor) [pid 3761] close(16) = -1 EBADF (Bad file descriptor) [pid 3761] close(17) = -1 EBADF (Bad file descriptor) [pid 3761] close(18) = -1 EBADF (Bad file descriptor) [pid 3761] close(19) = -1 EBADF (Bad file descriptor) [pid 3761] close(20) = -1 EBADF (Bad file descriptor) [pid 3761] close(21) = -1 EBADF (Bad file descriptor) [pid 3761] close(22) = -1 EBADF (Bad file descriptor) [pid 3761] close(23) = -1 EBADF (Bad file descriptor) [pid 3761] close(24) = -1 EBADF (Bad file descriptor) [pid 3761] close(25) = -1 EBADF (Bad file descriptor) [pid 3761] close(26) = -1 EBADF (Bad file descriptor) [pid 3761] close(27) = -1 EBADF (Bad file descriptor) [pid 3761] close(28) = -1 EBADF (Bad file descriptor) [pid 3761] close(29) = -1 EBADF (Bad file descriptor) [pid 3761] exit_group(0) = ? [pid 3761] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./155/binderfs") = 0 [pid 3605] umount2("./155/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./155/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./155/cgroup") = 0 [pid 3605] umount2("./155/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./155/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./155/cgroup.net") = 0 [pid 3605] umount2("./155/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./155/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./155/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./155") = 0 [pid 3605] mkdir("./156", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3762 attached [pid 3762] chdir("./156") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 158 [pid 3762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3762] setpgid(0, 0) = 0 [pid 3762] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3762] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3762] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3762] write(3, "1000", 4) = 4 [pid 3762] close(3) = 0 [pid 3762] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3762] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3762] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3762] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3762] openat(3, "freezer.state", O_RDWR) = 4 [pid 3762] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3762] close(3) = 0 [pid 3762] close(4) = 0 [pid 3762] close(5) = -1 EBADF (Bad file descriptor) [pid 3762] close(6) = -1 EBADF (Bad file descriptor) [pid 3762] close(7) = -1 EBADF (Bad file descriptor) [pid 3762] close(8) = -1 EBADF (Bad file descriptor) [pid 3762] close(9) = -1 EBADF (Bad file descriptor) [pid 3762] close(10) = -1 EBADF (Bad file descriptor) [pid 3762] close(11) = -1 EBADF (Bad file descriptor) [pid 3762] close(12) = -1 EBADF (Bad file descriptor) [pid 3762] close(13) = -1 EBADF (Bad file descriptor) [pid 3762] close(14) = -1 EBADF (Bad file descriptor) [pid 3762] close(15) = -1 EBADF (Bad file descriptor) [pid 3762] close(16) = -1 EBADF (Bad file descriptor) [pid 3762] close(17) = -1 EBADF (Bad file descriptor) [pid 3762] close(18) = -1 EBADF (Bad file descriptor) [pid 3762] close(19) = -1 EBADF (Bad file descriptor) [pid 3762] close(20) = -1 EBADF (Bad file descriptor) [pid 3762] close(21) = -1 EBADF (Bad file descriptor) [pid 3762] close(22) = -1 EBADF (Bad file descriptor) [pid 3762] close(23) = -1 EBADF (Bad file descriptor) [pid 3762] close(24) = -1 EBADF (Bad file descriptor) [pid 3762] close(25) = -1 EBADF (Bad file descriptor) [pid 3762] close(26) = -1 EBADF (Bad file descriptor) [pid 3762] close(27) = -1 EBADF (Bad file descriptor) [pid 3762] close(28) = -1 EBADF (Bad file descriptor) [pid 3762] close(29) = -1 EBADF (Bad file descriptor) [pid 3762] exit_group(0) = ? [pid 3762] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./156/binderfs") = 0 [pid 3605] umount2("./156/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./156/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./156/cgroup") = 0 [pid 3605] umount2("./156/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./156/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./156/cgroup.net") = 0 [pid 3605] umount2("./156/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./156/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./156/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./156") = 0 [pid 3605] mkdir("./157", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3763 attached [pid 3763] chdir("./157" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 159 [pid 3763] <... chdir resumed>) = 0 [pid 3763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3763] setpgid(0, 0) = 0 [pid 3763] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3763] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3763] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3763] write(3, "1000", 4) = 4 [pid 3763] close(3) = 0 [pid 3763] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3763] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3763] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3763] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3763] openat(3, "freezer.state", O_RDWR) = 4 [pid 3763] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3763] close(3) = 0 [pid 3763] close(4) = 0 [pid 3763] close(5) = -1 EBADF (Bad file descriptor) [pid 3763] close(6) = -1 EBADF (Bad file descriptor) [pid 3763] close(7) = -1 EBADF (Bad file descriptor) [pid 3763] close(8) = -1 EBADF (Bad file descriptor) [pid 3763] close(9) = -1 EBADF (Bad file descriptor) [pid 3763] close(10) = -1 EBADF (Bad file descriptor) [pid 3763] close(11) = -1 EBADF (Bad file descriptor) [pid 3763] close(12) = -1 EBADF (Bad file descriptor) [pid 3763] close(13) = -1 EBADF (Bad file descriptor) [pid 3763] close(14) = -1 EBADF (Bad file descriptor) [pid 3763] close(15) = -1 EBADF (Bad file descriptor) [pid 3763] close(16) = -1 EBADF (Bad file descriptor) [pid 3763] close(17) = -1 EBADF (Bad file descriptor) [pid 3763] close(18) = -1 EBADF (Bad file descriptor) [pid 3763] close(19) = -1 EBADF (Bad file descriptor) [pid 3763] close(20) = -1 EBADF (Bad file descriptor) [pid 3763] close(21) = -1 EBADF (Bad file descriptor) [pid 3763] close(22) = -1 EBADF (Bad file descriptor) [pid 3763] close(23) = -1 EBADF (Bad file descriptor) [pid 3763] close(24) = -1 EBADF (Bad file descriptor) [pid 3763] close(25) = -1 EBADF (Bad file descriptor) [pid 3763] close(26) = -1 EBADF (Bad file descriptor) [pid 3763] close(27) = -1 EBADF (Bad file descriptor) [pid 3763] close(28) = -1 EBADF (Bad file descriptor) [pid 3763] close(29) = -1 EBADF (Bad file descriptor) [pid 3763] exit_group(0) = ? [pid 3763] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./157/binderfs") = 0 [pid 3605] umount2("./157/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./157/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./157/cgroup") = 0 [pid 3605] umount2("./157/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./157/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./157/cgroup.net") = 0 [pid 3605] umount2("./157/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./157/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./157/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./157") = 0 [pid 3605] mkdir("./158", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3764 attached , child_tidptr=0x555556c0f5d0) = 160 [pid 3764] chdir("./158") = 0 [pid 3764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3764] setpgid(0, 0) = 0 [pid 3764] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3764] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3764] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3764] write(3, "1000", 4) = 4 [pid 3764] close(3) = 0 [pid 3764] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3764] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3764] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3764] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3764] openat(3, "freezer.state", O_RDWR) = 4 [pid 3764] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3764] close(3) = 0 [pid 3764] close(4) = 0 [pid 3764] close(5) = -1 EBADF (Bad file descriptor) [pid 3764] close(6) = -1 EBADF (Bad file descriptor) [pid 3764] close(7) = -1 EBADF (Bad file descriptor) [pid 3764] close(8) = -1 EBADF (Bad file descriptor) [pid 3764] close(9) = -1 EBADF (Bad file descriptor) [pid 3764] close(10) = -1 EBADF (Bad file descriptor) [pid 3764] close(11) = -1 EBADF (Bad file descriptor) [pid 3764] close(12) = -1 EBADF (Bad file descriptor) [pid 3764] close(13) = -1 EBADF (Bad file descriptor) [pid 3764] close(14) = -1 EBADF (Bad file descriptor) [pid 3764] close(15) = -1 EBADF (Bad file descriptor) [pid 3764] close(16) = -1 EBADF (Bad file descriptor) [pid 3764] close(17) = -1 EBADF (Bad file descriptor) [pid 3764] close(18) = -1 EBADF (Bad file descriptor) [pid 3764] close(19) = -1 EBADF (Bad file descriptor) [pid 3764] close(20) = -1 EBADF (Bad file descriptor) [pid 3764] close(21) = -1 EBADF (Bad file descriptor) [pid 3764] close(22) = -1 EBADF (Bad file descriptor) [pid 3764] close(23) = -1 EBADF (Bad file descriptor) [pid 3764] close(24) = -1 EBADF (Bad file descriptor) [pid 3764] close(25) = -1 EBADF (Bad file descriptor) [pid 3764] close(26) = -1 EBADF (Bad file descriptor) [pid 3764] close(27) = -1 EBADF (Bad file descriptor) [pid 3764] close(28) = -1 EBADF (Bad file descriptor) [pid 3764] close(29) = -1 EBADF (Bad file descriptor) [pid 3764] exit_group(0) = ? [pid 3764] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./158/binderfs") = 0 [pid 3605] umount2("./158/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./158/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./158/cgroup") = 0 [pid 3605] umount2("./158/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./158/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./158/cgroup.net") = 0 [pid 3605] umount2("./158/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./158/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./158/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./158") = 0 [pid 3605] mkdir("./159", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3765 attached [pid 3765] chdir("./159") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 161 [pid 3765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3765] setpgid(0, 0) = 0 [pid 3765] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3765] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3765] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3765] write(3, "1000", 4) = 4 [pid 3765] close(3) = 0 [pid 3765] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3765] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3765] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3765] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3765] openat(3, "freezer.state", O_RDWR) = 4 [pid 3765] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3765] close(3) = 0 [pid 3765] close(4) = 0 [pid 3765] close(5) = -1 EBADF (Bad file descriptor) [pid 3765] close(6) = -1 EBADF (Bad file descriptor) [pid 3765] close(7) = -1 EBADF (Bad file descriptor) [pid 3765] close(8) = -1 EBADF (Bad file descriptor) [pid 3765] close(9) = -1 EBADF (Bad file descriptor) [pid 3765] close(10) = -1 EBADF (Bad file descriptor) [pid 3765] close(11) = -1 EBADF (Bad file descriptor) [pid 3765] close(12) = -1 EBADF (Bad file descriptor) [pid 3765] close(13) = -1 EBADF (Bad file descriptor) [pid 3765] close(14) = -1 EBADF (Bad file descriptor) [pid 3765] close(15) = -1 EBADF (Bad file descriptor) [pid 3765] close(16) = -1 EBADF (Bad file descriptor) [pid 3765] close(17) = -1 EBADF (Bad file descriptor) [pid 3765] close(18) = -1 EBADF (Bad file descriptor) [pid 3765] close(19) = -1 EBADF (Bad file descriptor) [pid 3765] close(20) = -1 EBADF (Bad file descriptor) [pid 3765] close(21) = -1 EBADF (Bad file descriptor) [pid 3765] close(22) = -1 EBADF (Bad file descriptor) [pid 3765] close(23) = -1 EBADF (Bad file descriptor) [pid 3765] close(24) = -1 EBADF (Bad file descriptor) [pid 3765] close(25) = -1 EBADF (Bad file descriptor) [pid 3765] close(26) = -1 EBADF (Bad file descriptor) [pid 3765] close(27) = -1 EBADF (Bad file descriptor) [pid 3765] close(28) = -1 EBADF (Bad file descriptor) [pid 3765] close(29) = -1 EBADF (Bad file descriptor) [pid 3765] exit_group(0) = ? [pid 3765] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./159/binderfs") = 0 [pid 3605] umount2("./159/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./159/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./159/cgroup") = 0 [pid 3605] umount2("./159/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./159/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./159/cgroup.net") = 0 [pid 3605] umount2("./159/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./159/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./159/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./159") = 0 [pid 3605] mkdir("./160", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3766 attached [pid 3766] chdir("./160") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 162 [pid 3766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3766] setpgid(0, 0) = 0 [pid 3766] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3766] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3766] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3766] write(3, "1000", 4) = 4 [pid 3766] close(3) = 0 [pid 3766] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3766] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3766] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3766] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3766] openat(3, "freezer.state", O_RDWR) = 4 [pid 3766] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3766] close(3) = 0 [pid 3766] close(4) = 0 [pid 3766] close(5) = -1 EBADF (Bad file descriptor) [pid 3766] close(6) = -1 EBADF (Bad file descriptor) [pid 3766] close(7) = -1 EBADF (Bad file descriptor) [pid 3766] close(8) = -1 EBADF (Bad file descriptor) [pid 3766] close(9) = -1 EBADF (Bad file descriptor) [pid 3766] close(10) = -1 EBADF (Bad file descriptor) [pid 3766] close(11) = -1 EBADF (Bad file descriptor) [pid 3766] close(12) = -1 EBADF (Bad file descriptor) [pid 3766] close(13) = -1 EBADF (Bad file descriptor) [pid 3766] close(14) = -1 EBADF (Bad file descriptor) [pid 3766] close(15) = -1 EBADF (Bad file descriptor) [pid 3766] close(16) = -1 EBADF (Bad file descriptor) [pid 3766] close(17) = -1 EBADF (Bad file descriptor) [pid 3766] close(18) = -1 EBADF (Bad file descriptor) [pid 3766] close(19) = -1 EBADF (Bad file descriptor) [pid 3766] close(20) = -1 EBADF (Bad file descriptor) [pid 3766] close(21) = -1 EBADF (Bad file descriptor) [pid 3766] close(22) = -1 EBADF (Bad file descriptor) [pid 3766] close(23) = -1 EBADF (Bad file descriptor) [pid 3766] close(24) = -1 EBADF (Bad file descriptor) [pid 3766] close(25) = -1 EBADF (Bad file descriptor) [pid 3766] close(26) = -1 EBADF (Bad file descriptor) [pid 3766] close(27) = -1 EBADF (Bad file descriptor) [pid 3766] close(28) = -1 EBADF (Bad file descriptor) [pid 3766] close(29) = -1 EBADF (Bad file descriptor) [pid 3766] exit_group(0) = ? [pid 3766] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./160/binderfs") = 0 [pid 3605] umount2("./160/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./160/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./160/cgroup") = 0 [pid 3605] umount2("./160/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./160/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./160/cgroup.net") = 0 [pid 3605] umount2("./160/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./160/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./160/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./160") = 0 [pid 3605] mkdir("./161", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3767 attached [pid 3767] chdir("./161" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 163 [pid 3767] <... chdir resumed>) = 0 [pid 3767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3767] setpgid(0, 0) = 0 [pid 3767] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3767] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3767] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3767] write(3, "1000", 4) = 4 [pid 3767] close(3) = 0 [pid 3767] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3767] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3767] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3767] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3767] openat(3, "freezer.state", O_RDWR) = 4 [pid 3767] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3767] close(3) = 0 [pid 3767] close(4) = 0 [pid 3767] close(5) = -1 EBADF (Bad file descriptor) [pid 3767] close(6) = -1 EBADF (Bad file descriptor) [pid 3767] close(7) = -1 EBADF (Bad file descriptor) [pid 3767] close(8) = -1 EBADF (Bad file descriptor) [pid 3767] close(9) = -1 EBADF (Bad file descriptor) [pid 3767] close(10) = -1 EBADF (Bad file descriptor) [pid 3767] close(11) = -1 EBADF (Bad file descriptor) [pid 3767] close(12) = -1 EBADF (Bad file descriptor) [pid 3767] close(13) = -1 EBADF (Bad file descriptor) [pid 3767] close(14) = -1 EBADF (Bad file descriptor) [pid 3767] close(15) = -1 EBADF (Bad file descriptor) [pid 3767] close(16) = -1 EBADF (Bad file descriptor) [pid 3767] close(17) = -1 EBADF (Bad file descriptor) [pid 3767] close(18) = -1 EBADF (Bad file descriptor) [pid 3767] close(19) = -1 EBADF (Bad file descriptor) [pid 3767] close(20) = -1 EBADF (Bad file descriptor) [pid 3767] close(21) = -1 EBADF (Bad file descriptor) [pid 3767] close(22) = -1 EBADF (Bad file descriptor) [pid 3767] close(23) = -1 EBADF (Bad file descriptor) [pid 3767] close(24) = -1 EBADF (Bad file descriptor) [pid 3767] close(25) = -1 EBADF (Bad file descriptor) [pid 3767] close(26) = -1 EBADF (Bad file descriptor) [pid 3767] close(27) = -1 EBADF (Bad file descriptor) [pid 3767] close(28) = -1 EBADF (Bad file descriptor) [pid 3767] close(29) = -1 EBADF (Bad file descriptor) [pid 3767] exit_group(0) = ? [pid 3767] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./161/binderfs") = 0 [pid 3605] umount2("./161/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./161/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./161/cgroup") = 0 [pid 3605] umount2("./161/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./161/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./161/cgroup.net") = 0 [pid 3605] umount2("./161/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./161/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./161/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./161") = 0 [pid 3605] mkdir("./162", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3768 attached , child_tidptr=0x555556c0f5d0) = 164 [pid 3768] chdir("./162") = 0 [pid 3768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3768] setpgid(0, 0) = 0 [pid 3768] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3768] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3768] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3768] write(3, "1000", 4) = 4 [pid 3768] close(3) = 0 [pid 3768] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3768] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3768] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3768] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3768] openat(3, "freezer.state", O_RDWR) = 4 [pid 3768] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3768] close(3) = 0 [pid 3768] close(4) = 0 [pid 3768] close(5) = -1 EBADF (Bad file descriptor) [pid 3768] close(6) = -1 EBADF (Bad file descriptor) [pid 3768] close(7) = -1 EBADF (Bad file descriptor) [pid 3768] close(8) = -1 EBADF (Bad file descriptor) [pid 3768] close(9) = -1 EBADF (Bad file descriptor) [pid 3768] close(10) = -1 EBADF (Bad file descriptor) [pid 3768] close(11) = -1 EBADF (Bad file descriptor) [pid 3768] close(12) = -1 EBADF (Bad file descriptor) [pid 3768] close(13) = -1 EBADF (Bad file descriptor) [pid 3768] close(14) = -1 EBADF (Bad file descriptor) [pid 3768] close(15) = -1 EBADF (Bad file descriptor) [pid 3768] close(16) = -1 EBADF (Bad file descriptor) [pid 3768] close(17) = -1 EBADF (Bad file descriptor) [pid 3768] close(18) = -1 EBADF (Bad file descriptor) [pid 3768] close(19) = -1 EBADF (Bad file descriptor) [pid 3768] close(20) = -1 EBADF (Bad file descriptor) [pid 3768] close(21) = -1 EBADF (Bad file descriptor) [pid 3768] close(22) = -1 EBADF (Bad file descriptor) [pid 3768] close(23) = -1 EBADF (Bad file descriptor) [pid 3768] close(24) = -1 EBADF (Bad file descriptor) [pid 3768] close(25) = -1 EBADF (Bad file descriptor) [pid 3768] close(26) = -1 EBADF (Bad file descriptor) [pid 3768] close(27) = -1 EBADF (Bad file descriptor) [pid 3768] close(28) = -1 EBADF (Bad file descriptor) [pid 3768] close(29) = -1 EBADF (Bad file descriptor) [pid 3768] exit_group(0) = ? [pid 3768] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./162/binderfs") = 0 [pid 3605] umount2("./162/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./162/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./162/cgroup") = 0 [pid 3605] umount2("./162/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./162/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./162/cgroup.net") = 0 [pid 3605] umount2("./162/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./162/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./162/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./162") = 0 [pid 3605] mkdir("./163", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3769 attached [pid 3769] chdir("./163") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 165 [pid 3769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3769] setpgid(0, 0) = 0 [pid 3769] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3769] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3769] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3769] write(3, "1000", 4) = 4 [pid 3769] close(3) = 0 [pid 3769] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3769] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3769] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3769] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3769] openat(3, "freezer.state", O_RDWR) = 4 [pid 3769] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3769] close(3) = 0 [pid 3769] close(4) = 0 [pid 3769] close(5) = -1 EBADF (Bad file descriptor) [pid 3769] close(6) = -1 EBADF (Bad file descriptor) [pid 3769] close(7) = -1 EBADF (Bad file descriptor) [pid 3769] close(8) = -1 EBADF (Bad file descriptor) [pid 3769] close(9) = -1 EBADF (Bad file descriptor) [pid 3769] close(10) = -1 EBADF (Bad file descriptor) [pid 3769] close(11) = -1 EBADF (Bad file descriptor) [pid 3769] close(12) = -1 EBADF (Bad file descriptor) [pid 3769] close(13) = -1 EBADF (Bad file descriptor) [pid 3769] close(14) = -1 EBADF (Bad file descriptor) [pid 3769] close(15) = -1 EBADF (Bad file descriptor) [pid 3769] close(16) = -1 EBADF (Bad file descriptor) [pid 3769] close(17) = -1 EBADF (Bad file descriptor) [pid 3769] close(18) = -1 EBADF (Bad file descriptor) [pid 3769] close(19) = -1 EBADF (Bad file descriptor) [pid 3769] close(20) = -1 EBADF (Bad file descriptor) [pid 3769] close(21) = -1 EBADF (Bad file descriptor) [pid 3769] close(22) = -1 EBADF (Bad file descriptor) [pid 3769] close(23) = -1 EBADF (Bad file descriptor) [pid 3769] close(24) = -1 EBADF (Bad file descriptor) [pid 3769] close(25) = -1 EBADF (Bad file descriptor) [pid 3769] close(26) = -1 EBADF (Bad file descriptor) [pid 3769] close(27) = -1 EBADF (Bad file descriptor) [pid 3769] close(28) = -1 EBADF (Bad file descriptor) [pid 3769] close(29) = -1 EBADF (Bad file descriptor) [pid 3769] exit_group(0) = ? [pid 3769] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./163/binderfs") = 0 [pid 3605] umount2("./163/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./163/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./163/cgroup") = 0 [pid 3605] umount2("./163/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./163/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./163/cgroup.net") = 0 [pid 3605] umount2("./163/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./163/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./163/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./163") = 0 [pid 3605] mkdir("./164", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3770 attached [pid 3770] chdir("./164") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 166 [pid 3770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3770] setpgid(0, 0) = 0 [pid 3770] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3770] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3770] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3770] write(3, "1000", 4) = 4 [pid 3770] close(3) = 0 [pid 3770] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3770] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3770] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3770] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3770] openat(3, "freezer.state", O_RDWR) = 4 [pid 3770] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3770] close(3) = 0 [pid 3770] close(4) = 0 [pid 3770] close(5) = -1 EBADF (Bad file descriptor) [pid 3770] close(6) = -1 EBADF (Bad file descriptor) [pid 3770] close(7) = -1 EBADF (Bad file descriptor) [pid 3770] close(8) = -1 EBADF (Bad file descriptor) [pid 3770] close(9) = -1 EBADF (Bad file descriptor) [pid 3770] close(10) = -1 EBADF (Bad file descriptor) [pid 3770] close(11) = -1 EBADF (Bad file descriptor) [pid 3770] close(12) = -1 EBADF (Bad file descriptor) [pid 3770] close(13) = -1 EBADF (Bad file descriptor) [pid 3770] close(14) = -1 EBADF (Bad file descriptor) [pid 3770] close(15) = -1 EBADF (Bad file descriptor) [pid 3770] close(16) = -1 EBADF (Bad file descriptor) [pid 3770] close(17) = -1 EBADF (Bad file descriptor) [pid 3770] close(18) = -1 EBADF (Bad file descriptor) [pid 3770] close(19) = -1 EBADF (Bad file descriptor) [pid 3770] close(20) = -1 EBADF (Bad file descriptor) [pid 3770] close(21) = -1 EBADF (Bad file descriptor) [pid 3770] close(22) = -1 EBADF (Bad file descriptor) [pid 3770] close(23) = -1 EBADF (Bad file descriptor) [pid 3770] close(24) = -1 EBADF (Bad file descriptor) [pid 3770] close(25) = -1 EBADF (Bad file descriptor) [pid 3770] close(26) = -1 EBADF (Bad file descriptor) [pid 3770] close(27) = -1 EBADF (Bad file descriptor) [pid 3770] close(28) = -1 EBADF (Bad file descriptor) [pid 3770] close(29) = -1 EBADF (Bad file descriptor) [pid 3770] exit_group(0) = ? [pid 3770] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./164/binderfs") = 0 [pid 3605] umount2("./164/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./164/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./164/cgroup") = 0 [pid 3605] umount2("./164/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./164/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./164/cgroup.net") = 0 [pid 3605] umount2("./164/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./164/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./164/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./164") = 0 [pid 3605] mkdir("./165", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3771 attached [pid 3771] chdir("./165") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 167 [pid 3771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3771] setpgid(0, 0) = 0 [pid 3771] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3771] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3771] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3771] write(3, "1000", 4) = 4 [pid 3771] close(3) = 0 [pid 3771] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3771] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3771] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3771] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3771] openat(3, "freezer.state", O_RDWR) = 4 [pid 3771] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3771] close(3) = 0 [pid 3771] close(4) = 0 [pid 3771] close(5) = -1 EBADF (Bad file descriptor) [pid 3771] close(6) = -1 EBADF (Bad file descriptor) [pid 3771] close(7) = -1 EBADF (Bad file descriptor) [pid 3771] close(8) = -1 EBADF (Bad file descriptor) [pid 3771] close(9) = -1 EBADF (Bad file descriptor) [pid 3771] close(10) = -1 EBADF (Bad file descriptor) [pid 3771] close(11) = -1 EBADF (Bad file descriptor) [pid 3771] close(12) = -1 EBADF (Bad file descriptor) [pid 3771] close(13) = -1 EBADF (Bad file descriptor) [pid 3771] close(14) = -1 EBADF (Bad file descriptor) [pid 3771] close(15) = -1 EBADF (Bad file descriptor) [pid 3771] close(16) = -1 EBADF (Bad file descriptor) [pid 3771] close(17) = -1 EBADF (Bad file descriptor) [pid 3771] close(18) = -1 EBADF (Bad file descriptor) [pid 3771] close(19) = -1 EBADF (Bad file descriptor) [pid 3771] close(20) = -1 EBADF (Bad file descriptor) [pid 3771] close(21) = -1 EBADF (Bad file descriptor) [pid 3771] close(22) = -1 EBADF (Bad file descriptor) [pid 3771] close(23) = -1 EBADF (Bad file descriptor) [pid 3771] close(24) = -1 EBADF (Bad file descriptor) [pid 3771] close(25) = -1 EBADF (Bad file descriptor) [pid 3771] close(26) = -1 EBADF (Bad file descriptor) [pid 3771] close(27) = -1 EBADF (Bad file descriptor) [pid 3771] close(28) = -1 EBADF (Bad file descriptor) [pid 3771] close(29) = -1 EBADF (Bad file descriptor) [pid 3771] exit_group(0) = ? [pid 3771] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./165/binderfs") = 0 [pid 3605] umount2("./165/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./165/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./165/cgroup") = 0 [pid 3605] umount2("./165/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./165/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./165/cgroup.net") = 0 [pid 3605] umount2("./165/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./165/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./165/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./165") = 0 [pid 3605] mkdir("./166", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3772 attached [pid 3772] chdir("./166") = 0 [pid 3772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3772] setpgid(0, 0) = 0 [pid 3772] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3772] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 168 [pid 3772] <... symlink resumed>) = 0 [pid 3772] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3772] write(3, "1000", 4) = 4 [pid 3772] close(3) = 0 [pid 3772] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3772] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3772] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3772] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3772] openat(3, "freezer.state", O_RDWR) = 4 [pid 3772] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3772] close(3) = 0 [pid 3772] close(4) = 0 [pid 3772] close(5) = -1 EBADF (Bad file descriptor) [pid 3772] close(6) = -1 EBADF (Bad file descriptor) [pid 3772] close(7) = -1 EBADF (Bad file descriptor) [pid 3772] close(8) = -1 EBADF (Bad file descriptor) [pid 3772] close(9) = -1 EBADF (Bad file descriptor) [pid 3772] close(10) = -1 EBADF (Bad file descriptor) [pid 3772] close(11) = -1 EBADF (Bad file descriptor) [pid 3772] close(12) = -1 EBADF (Bad file descriptor) [pid 3772] close(13) = -1 EBADF (Bad file descriptor) [pid 3772] close(14) = -1 EBADF (Bad file descriptor) [pid 3772] close(15) = -1 EBADF (Bad file descriptor) [pid 3772] close(16) = -1 EBADF (Bad file descriptor) [pid 3772] close(17) = -1 EBADF (Bad file descriptor) [pid 3772] close(18) = -1 EBADF (Bad file descriptor) [pid 3772] close(19) = -1 EBADF (Bad file descriptor) [pid 3772] close(20) = -1 EBADF (Bad file descriptor) [pid 3772] close(21) = -1 EBADF (Bad file descriptor) [pid 3772] close(22) = -1 EBADF (Bad file descriptor) [pid 3772] close(23) = -1 EBADF (Bad file descriptor) [pid 3772] close(24) = -1 EBADF (Bad file descriptor) [pid 3772] close(25) = -1 EBADF (Bad file descriptor) [pid 3772] close(26) = -1 EBADF (Bad file descriptor) [pid 3772] close(27) = -1 EBADF (Bad file descriptor) [pid 3772] close(28) = -1 EBADF (Bad file descriptor) [pid 3772] close(29) = -1 EBADF (Bad file descriptor) [pid 3772] exit_group(0) = ? [pid 3772] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./166/binderfs") = 0 [pid 3605] umount2("./166/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./166/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./166/cgroup") = 0 [pid 3605] umount2("./166/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./166/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./166/cgroup.net") = 0 [pid 3605] umount2("./166/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./166/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./166/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./166") = 0 [pid 3605] mkdir("./167", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3773 attached [pid 3773] chdir("./167") = 0 [pid 3773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3773] setpgid(0, 0) = 0 [pid 3773] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 169 [pid 3773] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3773] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3773] write(3, "1000", 4) = 4 [pid 3773] close(3) = 0 [pid 3773] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3773] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3773] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3773] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3773] openat(3, "freezer.state", O_RDWR) = 4 [pid 3773] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3773] close(3) = 0 [pid 3773] close(4) = 0 [pid 3773] close(5) = -1 EBADF (Bad file descriptor) [pid 3773] close(6) = -1 EBADF (Bad file descriptor) [pid 3773] close(7) = -1 EBADF (Bad file descriptor) [pid 3773] close(8) = -1 EBADF (Bad file descriptor) [pid 3773] close(9) = -1 EBADF (Bad file descriptor) [pid 3773] close(10) = -1 EBADF (Bad file descriptor) [pid 3773] close(11) = -1 EBADF (Bad file descriptor) [pid 3773] close(12) = -1 EBADF (Bad file descriptor) [pid 3773] close(13) = -1 EBADF (Bad file descriptor) [pid 3773] close(14) = -1 EBADF (Bad file descriptor) [pid 3773] close(15) = -1 EBADF (Bad file descriptor) [pid 3773] close(16) = -1 EBADF (Bad file descriptor) [pid 3773] close(17) = -1 EBADF (Bad file descriptor) [pid 3773] close(18) = -1 EBADF (Bad file descriptor) [pid 3773] close(19) = -1 EBADF (Bad file descriptor) [pid 3773] close(20) = -1 EBADF (Bad file descriptor) [pid 3773] close(21) = -1 EBADF (Bad file descriptor) [pid 3773] close(22) = -1 EBADF (Bad file descriptor) [pid 3773] close(23) = -1 EBADF (Bad file descriptor) [pid 3773] close(24) = -1 EBADF (Bad file descriptor) [pid 3773] close(25) = -1 EBADF (Bad file descriptor) [pid 3773] close(26) = -1 EBADF (Bad file descriptor) [pid 3773] close(27) = -1 EBADF (Bad file descriptor) [pid 3773] close(28) = -1 EBADF (Bad file descriptor) [pid 3773] close(29) = -1 EBADF (Bad file descriptor) [pid 3773] exit_group(0) = ? [pid 3773] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./167/binderfs") = 0 [pid 3605] umount2("./167/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./167/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./167/cgroup") = 0 [pid 3605] umount2("./167/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./167/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./167/cgroup.net") = 0 [pid 3605] umount2("./167/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./167/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./167/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./167") = 0 [pid 3605] mkdir("./168", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 170 ./strace-static-x86_64: Process 3774 attached [pid 3774] chdir("./168") = 0 [pid 3774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3774] setpgid(0, 0) = 0 [pid 3774] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3774] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3774] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3774] write(3, "1000", 4) = 4 [pid 3774] close(3) = 0 [pid 3774] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3774] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3774] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3774] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3774] openat(3, "freezer.state", O_RDWR) = 4 [pid 3774] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3774] close(3) = 0 [pid 3774] close(4) = 0 [pid 3774] close(5) = -1 EBADF (Bad file descriptor) [pid 3774] close(6) = -1 EBADF (Bad file descriptor) [pid 3774] close(7) = -1 EBADF (Bad file descriptor) [pid 3774] close(8) = -1 EBADF (Bad file descriptor) [pid 3774] close(9) = -1 EBADF (Bad file descriptor) [pid 3774] close(10) = -1 EBADF (Bad file descriptor) [pid 3774] close(11) = -1 EBADF (Bad file descriptor) [pid 3774] close(12) = -1 EBADF (Bad file descriptor) [pid 3774] close(13) = -1 EBADF (Bad file descriptor) [pid 3774] close(14) = -1 EBADF (Bad file descriptor) [pid 3774] close(15) = -1 EBADF (Bad file descriptor) [pid 3774] close(16) = -1 EBADF (Bad file descriptor) [pid 3774] close(17) = -1 EBADF (Bad file descriptor) [pid 3774] close(18) = -1 EBADF (Bad file descriptor) [pid 3774] close(19) = -1 EBADF (Bad file descriptor) [pid 3774] close(20) = -1 EBADF (Bad file descriptor) [pid 3774] close(21) = -1 EBADF (Bad file descriptor) [pid 3774] close(22) = -1 EBADF (Bad file descriptor) [pid 3774] close(23) = -1 EBADF (Bad file descriptor) [pid 3774] close(24) = -1 EBADF (Bad file descriptor) [pid 3774] close(25) = -1 EBADF (Bad file descriptor) [pid 3774] close(26) = -1 EBADF (Bad file descriptor) [pid 3774] close(27) = -1 EBADF (Bad file descriptor) [pid 3774] close(28) = -1 EBADF (Bad file descriptor) [pid 3774] close(29) = -1 EBADF (Bad file descriptor) [pid 3774] exit_group(0) = ? [pid 3774] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./168/binderfs") = 0 [pid 3605] umount2("./168/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./168/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./168/cgroup") = 0 [pid 3605] umount2("./168/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./168/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./168/cgroup.net") = 0 [pid 3605] umount2("./168/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./168/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./168/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./168") = 0 [pid 3605] mkdir("./169", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3775 attached [pid 3775] chdir("./169") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 171 [pid 3775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3775] setpgid(0, 0) = 0 [pid 3775] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3775] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3775] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3775] write(3, "1000", 4) = 4 [pid 3775] close(3) = 0 [pid 3775] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3775] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3775] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3775] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3775] openat(3, "freezer.state", O_RDWR) = 4 [pid 3775] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3775] close(3) = 0 [pid 3775] close(4) = 0 [pid 3775] close(5) = -1 EBADF (Bad file descriptor) [pid 3775] close(6) = -1 EBADF (Bad file descriptor) [pid 3775] close(7) = -1 EBADF (Bad file descriptor) [pid 3775] close(8) = -1 EBADF (Bad file descriptor) [pid 3775] close(9) = -1 EBADF (Bad file descriptor) [pid 3775] close(10) = -1 EBADF (Bad file descriptor) [pid 3775] close(11) = -1 EBADF (Bad file descriptor) [pid 3775] close(12) = -1 EBADF (Bad file descriptor) [pid 3775] close(13) = -1 EBADF (Bad file descriptor) [pid 3775] close(14) = -1 EBADF (Bad file descriptor) [pid 3775] close(15) = -1 EBADF (Bad file descriptor) [pid 3775] close(16) = -1 EBADF (Bad file descriptor) [pid 3775] close(17) = -1 EBADF (Bad file descriptor) [pid 3775] close(18) = -1 EBADF (Bad file descriptor) [pid 3775] close(19) = -1 EBADF (Bad file descriptor) [pid 3775] close(20) = -1 EBADF (Bad file descriptor) [pid 3775] close(21) = -1 EBADF (Bad file descriptor) [pid 3775] close(22) = -1 EBADF (Bad file descriptor) [pid 3775] close(23) = -1 EBADF (Bad file descriptor) [pid 3775] close(24) = -1 EBADF (Bad file descriptor) [pid 3775] close(25) = -1 EBADF (Bad file descriptor) [pid 3775] close(26) = -1 EBADF (Bad file descriptor) [pid 3775] close(27) = -1 EBADF (Bad file descriptor) [pid 3775] close(28) = -1 EBADF (Bad file descriptor) [pid 3775] close(29) = -1 EBADF (Bad file descriptor) [pid 3775] exit_group(0) = ? [pid 3775] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./169/binderfs") = 0 [pid 3605] umount2("./169/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./169/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./169/cgroup") = 0 [pid 3605] umount2("./169/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./169/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./169/cgroup.net") = 0 [pid 3605] umount2("./169/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./169/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./169/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./169") = 0 [pid 3605] mkdir("./170", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3776 attached [pid 3776] chdir("./170") = 0 [pid 3776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 172 [pid 3776] <... prctl resumed>) = 0 [pid 3776] setpgid(0, 0) = 0 [pid 3776] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3776] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3776] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3776] write(3, "1000", 4) = 4 [pid 3776] close(3) = 0 [pid 3776] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3776] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3776] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3776] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3776] openat(3, "freezer.state", O_RDWR) = 4 [pid 3776] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3776] close(3) = 0 [pid 3776] close(4) = 0 [pid 3776] close(5) = -1 EBADF (Bad file descriptor) [pid 3776] close(6) = -1 EBADF (Bad file descriptor) [pid 3776] close(7) = -1 EBADF (Bad file descriptor) [pid 3776] close(8) = -1 EBADF (Bad file descriptor) [pid 3776] close(9) = -1 EBADF (Bad file descriptor) [pid 3776] close(10) = -1 EBADF (Bad file descriptor) [pid 3776] close(11) = -1 EBADF (Bad file descriptor) [pid 3776] close(12) = -1 EBADF (Bad file descriptor) [pid 3776] close(13) = -1 EBADF (Bad file descriptor) [pid 3776] close(14) = -1 EBADF (Bad file descriptor) [pid 3776] close(15) = -1 EBADF (Bad file descriptor) [pid 3776] close(16) = -1 EBADF (Bad file descriptor) [pid 3776] close(17) = -1 EBADF (Bad file descriptor) [pid 3776] close(18) = -1 EBADF (Bad file descriptor) [pid 3776] close(19) = -1 EBADF (Bad file descriptor) [pid 3776] close(20) = -1 EBADF (Bad file descriptor) [pid 3776] close(21) = -1 EBADF (Bad file descriptor) [pid 3776] close(22) = -1 EBADF (Bad file descriptor) [pid 3776] close(23) = -1 EBADF (Bad file descriptor) [pid 3776] close(24) = -1 EBADF (Bad file descriptor) [pid 3776] close(25) = -1 EBADF (Bad file descriptor) [pid 3776] close(26) = -1 EBADF (Bad file descriptor) [pid 3776] close(27) = -1 EBADF (Bad file descriptor) [pid 3776] close(28) = -1 EBADF (Bad file descriptor) [pid 3776] close(29) = -1 EBADF (Bad file descriptor) [pid 3776] exit_group(0) = ? [pid 3776] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./170/binderfs") = 0 [pid 3605] umount2("./170/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./170/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./170/cgroup") = 0 [pid 3605] umount2("./170/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./170/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./170/cgroup.net") = 0 [pid 3605] umount2("./170/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./170/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./170/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./170") = 0 [pid 3605] mkdir("./171", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3777 attached [pid 3777] chdir("./171") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 173 [pid 3777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3777] setpgid(0, 0) = 0 [pid 3777] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3777] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3777] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3777] write(3, "1000", 4) = 4 [pid 3777] close(3) = 0 [pid 3777] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3777] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3777] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3777] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3777] openat(3, "freezer.state", O_RDWR) = 4 [pid 3777] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3777] close(3) = 0 [pid 3777] close(4) = 0 [pid 3777] close(5) = -1 EBADF (Bad file descriptor) [pid 3777] close(6) = -1 EBADF (Bad file descriptor) [pid 3777] close(7) = -1 EBADF (Bad file descriptor) [pid 3777] close(8) = -1 EBADF (Bad file descriptor) [pid 3777] close(9) = -1 EBADF (Bad file descriptor) [pid 3777] close(10) = -1 EBADF (Bad file descriptor) [pid 3777] close(11) = -1 EBADF (Bad file descriptor) [pid 3777] close(12) = -1 EBADF (Bad file descriptor) [pid 3777] close(13) = -1 EBADF (Bad file descriptor) [pid 3777] close(14) = -1 EBADF (Bad file descriptor) [pid 3777] close(15) = -1 EBADF (Bad file descriptor) [pid 3777] close(16) = -1 EBADF (Bad file descriptor) [pid 3777] close(17) = -1 EBADF (Bad file descriptor) [pid 3777] close(18) = -1 EBADF (Bad file descriptor) [pid 3777] close(19) = -1 EBADF (Bad file descriptor) [pid 3777] close(20) = -1 EBADF (Bad file descriptor) [pid 3777] close(21) = -1 EBADF (Bad file descriptor) [pid 3777] close(22) = -1 EBADF (Bad file descriptor) [pid 3777] close(23) = -1 EBADF (Bad file descriptor) [pid 3777] close(24) = -1 EBADF (Bad file descriptor) [pid 3777] close(25) = -1 EBADF (Bad file descriptor) [pid 3777] close(26) = -1 EBADF (Bad file descriptor) [pid 3777] close(27) = -1 EBADF (Bad file descriptor) [pid 3777] close(28) = -1 EBADF (Bad file descriptor) [pid 3777] close(29) = -1 EBADF (Bad file descriptor) [pid 3777] exit_group(0) = ? [pid 3777] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./171/binderfs") = 0 [pid 3605] umount2("./171/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./171/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./171/cgroup") = 0 [pid 3605] umount2("./171/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./171/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./171/cgroup.net") = 0 [pid 3605] umount2("./171/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./171/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./171/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./171") = 0 [pid 3605] mkdir("./172", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3778 attached [pid 3778] chdir("./172") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 174 [pid 3778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3778] setpgid(0, 0) = 0 [pid 3778] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3778] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3778] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3778] write(3, "1000", 4) = 4 [pid 3778] close(3) = 0 [pid 3778] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3778] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3778] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3778] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3778] openat(3, "freezer.state", O_RDWR) = 4 [pid 3778] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3778] close(3) = 0 [pid 3778] close(4) = 0 [pid 3778] close(5) = -1 EBADF (Bad file descriptor) [pid 3778] close(6) = -1 EBADF (Bad file descriptor) [pid 3778] close(7) = -1 EBADF (Bad file descriptor) [pid 3778] close(8) = -1 EBADF (Bad file descriptor) [pid 3778] close(9) = -1 EBADF (Bad file descriptor) [pid 3778] close(10) = -1 EBADF (Bad file descriptor) [pid 3778] close(11) = -1 EBADF (Bad file descriptor) [pid 3778] close(12) = -1 EBADF (Bad file descriptor) [pid 3778] close(13) = -1 EBADF (Bad file descriptor) [pid 3778] close(14) = -1 EBADF (Bad file descriptor) [pid 3778] close(15) = -1 EBADF (Bad file descriptor) [pid 3778] close(16) = -1 EBADF (Bad file descriptor) [pid 3778] close(17) = -1 EBADF (Bad file descriptor) [pid 3778] close(18) = -1 EBADF (Bad file descriptor) [pid 3778] close(19) = -1 EBADF (Bad file descriptor) [pid 3778] close(20) = -1 EBADF (Bad file descriptor) [pid 3778] close(21) = -1 EBADF (Bad file descriptor) [pid 3778] close(22) = -1 EBADF (Bad file descriptor) [pid 3778] close(23) = -1 EBADF (Bad file descriptor) [pid 3778] close(24) = -1 EBADF (Bad file descriptor) [pid 3778] close(25) = -1 EBADF (Bad file descriptor) [pid 3778] close(26) = -1 EBADF (Bad file descriptor) [pid 3778] close(27) = -1 EBADF (Bad file descriptor) [pid 3778] close(28) = -1 EBADF (Bad file descriptor) [pid 3778] close(29) = -1 EBADF (Bad file descriptor) [pid 3778] exit_group(0) = ? [pid 3778] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./172/binderfs") = 0 [pid 3605] umount2("./172/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./172/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./172/cgroup") = 0 [pid 3605] umount2("./172/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./172/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./172/cgroup.net") = 0 [pid 3605] umount2("./172/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./172/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./172/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./172") = 0 [pid 3605] mkdir("./173", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3779 attached [pid 3779] chdir("./173") = 0 [pid 3779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3779] setpgid(0, 0) = 0 [pid 3779] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 175 [pid 3779] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3779] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3779] write(3, "1000", 4) = 4 [pid 3779] close(3) = 0 [pid 3779] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3779] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3779] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3779] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3779] openat(3, "freezer.state", O_RDWR) = 4 [pid 3779] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3779] close(3) = 0 [pid 3779] close(4) = 0 [pid 3779] close(5) = -1 EBADF (Bad file descriptor) [pid 3779] close(6) = -1 EBADF (Bad file descriptor) [pid 3779] close(7) = -1 EBADF (Bad file descriptor) [pid 3779] close(8) = -1 EBADF (Bad file descriptor) [pid 3779] close(9) = -1 EBADF (Bad file descriptor) [pid 3779] close(10) = -1 EBADF (Bad file descriptor) [pid 3779] close(11) = -1 EBADF (Bad file descriptor) [pid 3779] close(12) = -1 EBADF (Bad file descriptor) [pid 3779] close(13) = -1 EBADF (Bad file descriptor) [pid 3779] close(14) = -1 EBADF (Bad file descriptor) [pid 3779] close(15) = -1 EBADF (Bad file descriptor) [pid 3779] close(16) = -1 EBADF (Bad file descriptor) [pid 3779] close(17) = -1 EBADF (Bad file descriptor) [pid 3779] close(18) = -1 EBADF (Bad file descriptor) [pid 3779] close(19) = -1 EBADF (Bad file descriptor) [pid 3779] close(20) = -1 EBADF (Bad file descriptor) [pid 3779] close(21) = -1 EBADF (Bad file descriptor) [pid 3779] close(22) = -1 EBADF (Bad file descriptor) [pid 3779] close(23) = -1 EBADF (Bad file descriptor) [pid 3779] close(24) = -1 EBADF (Bad file descriptor) [pid 3779] close(25) = -1 EBADF (Bad file descriptor) [pid 3779] close(26) = -1 EBADF (Bad file descriptor) [pid 3779] close(27) = -1 EBADF (Bad file descriptor) [pid 3779] close(28) = -1 EBADF (Bad file descriptor) [pid 3779] close(29) = -1 EBADF (Bad file descriptor) [pid 3779] exit_group(0) = ? [pid 3779] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./173/binderfs") = 0 [pid 3605] umount2("./173/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./173/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./173/cgroup") = 0 [pid 3605] umount2("./173/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./173/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./173/cgroup.net") = 0 [pid 3605] umount2("./173/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./173/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./173/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./173") = 0 [pid 3605] mkdir("./174", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3780 attached [pid 3780] chdir("./174") = 0 [pid 3780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3780] setpgid(0, 0) = 0 [pid 3780] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 176 [pid 3780] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3780] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3780] write(3, "1000", 4) = 4 [pid 3780] close(3) = 0 [pid 3780] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3780] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3780] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3780] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3780] openat(3, "freezer.state", O_RDWR) = 4 [pid 3780] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3780] close(3) = 0 [pid 3780] close(4) = 0 [pid 3780] close(5) = -1 EBADF (Bad file descriptor) [pid 3780] close(6) = -1 EBADF (Bad file descriptor) [pid 3780] close(7) = -1 EBADF (Bad file descriptor) [pid 3780] close(8) = -1 EBADF (Bad file descriptor) [pid 3780] close(9) = -1 EBADF (Bad file descriptor) [pid 3780] close(10) = -1 EBADF (Bad file descriptor) [pid 3780] close(11) = -1 EBADF (Bad file descriptor) [pid 3780] close(12) = -1 EBADF (Bad file descriptor) [pid 3780] close(13) = -1 EBADF (Bad file descriptor) [pid 3780] close(14) = -1 EBADF (Bad file descriptor) [pid 3780] close(15) = -1 EBADF (Bad file descriptor) [pid 3780] close(16) = -1 EBADF (Bad file descriptor) [pid 3780] close(17) = -1 EBADF (Bad file descriptor) [pid 3780] close(18) = -1 EBADF (Bad file descriptor) [pid 3780] close(19) = -1 EBADF (Bad file descriptor) [pid 3780] close(20) = -1 EBADF (Bad file descriptor) [pid 3780] close(21) = -1 EBADF (Bad file descriptor) [pid 3780] close(22) = -1 EBADF (Bad file descriptor) [pid 3780] close(23) = -1 EBADF (Bad file descriptor) [pid 3780] close(24) = -1 EBADF (Bad file descriptor) [pid 3780] close(25) = -1 EBADF (Bad file descriptor) [pid 3780] close(26) = -1 EBADF (Bad file descriptor) [pid 3780] close(27) = -1 EBADF (Bad file descriptor) [pid 3780] close(28) = -1 EBADF (Bad file descriptor) [pid 3780] close(29) = -1 EBADF (Bad file descriptor) [pid 3780] exit_group(0) = ? [pid 3780] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./174/binderfs") = 0 [pid 3605] umount2("./174/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./174/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./174/cgroup") = 0 [pid 3605] umount2("./174/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./174/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./174/cgroup.net") = 0 [pid 3605] umount2("./174/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./174/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./174/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./174") = 0 [pid 3605] mkdir("./175", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3781 attached [pid 3781] chdir("./175") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 177 [pid 3781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3781] setpgid(0, 0) = 0 [pid 3781] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3781] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3781] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3781] write(3, "1000", 4) = 4 [pid 3781] close(3) = 0 [pid 3781] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3781] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3781] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3781] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3781] openat(3, "freezer.state", O_RDWR) = 4 [pid 3781] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3781] close(3) = 0 [pid 3781] close(4) = 0 [pid 3781] close(5) = -1 EBADF (Bad file descriptor) [pid 3781] close(6) = -1 EBADF (Bad file descriptor) [pid 3781] close(7) = -1 EBADF (Bad file descriptor) [pid 3781] close(8) = -1 EBADF (Bad file descriptor) [pid 3781] close(9) = -1 EBADF (Bad file descriptor) [pid 3781] close(10) = -1 EBADF (Bad file descriptor) [pid 3781] close(11) = -1 EBADF (Bad file descriptor) [pid 3781] close(12) = -1 EBADF (Bad file descriptor) [pid 3781] close(13) = -1 EBADF (Bad file descriptor) [pid 3781] close(14) = -1 EBADF (Bad file descriptor) [pid 3781] close(15) = -1 EBADF (Bad file descriptor) [pid 3781] close(16) = -1 EBADF (Bad file descriptor) [pid 3781] close(17) = -1 EBADF (Bad file descriptor) [pid 3781] close(18) = -1 EBADF (Bad file descriptor) [pid 3781] close(19) = -1 EBADF (Bad file descriptor) [pid 3781] close(20) = -1 EBADF (Bad file descriptor) [pid 3781] close(21) = -1 EBADF (Bad file descriptor) [pid 3781] close(22) = -1 EBADF (Bad file descriptor) [pid 3781] close(23) = -1 EBADF (Bad file descriptor) [pid 3781] close(24) = -1 EBADF (Bad file descriptor) [pid 3781] close(25) = -1 EBADF (Bad file descriptor) [pid 3781] close(26) = -1 EBADF (Bad file descriptor) [pid 3781] close(27) = -1 EBADF (Bad file descriptor) [pid 3781] close(28) = -1 EBADF (Bad file descriptor) [pid 3781] close(29) = -1 EBADF (Bad file descriptor) [pid 3781] exit_group(0) = ? [pid 3781] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./175/binderfs") = 0 [pid 3605] umount2("./175/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./175/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./175/cgroup") = 0 [pid 3605] umount2("./175/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./175/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./175/cgroup.net") = 0 [pid 3605] umount2("./175/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./175/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./175/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./175") = 0 [pid 3605] mkdir("./176", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3782 attached [pid 3782] chdir("./176") = 0 [pid 3782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3782] setpgid(0, 0) = 0 [pid 3782] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 178 [pid 3782] <... symlink resumed>) = 0 [pid 3782] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3782] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3782] write(3, "1000", 4) = 4 [pid 3782] close(3) = 0 [pid 3782] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3782] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3782] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3782] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3782] openat(3, "freezer.state", O_RDWR) = 4 [pid 3782] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3782] close(3) = 0 [pid 3782] close(4) = 0 [pid 3782] close(5) = -1 EBADF (Bad file descriptor) [pid 3782] close(6) = -1 EBADF (Bad file descriptor) [pid 3782] close(7) = -1 EBADF (Bad file descriptor) [pid 3782] close(8) = -1 EBADF (Bad file descriptor) [pid 3782] close(9) = -1 EBADF (Bad file descriptor) [pid 3782] close(10) = -1 EBADF (Bad file descriptor) [pid 3782] close(11) = -1 EBADF (Bad file descriptor) [pid 3782] close(12) = -1 EBADF (Bad file descriptor) [pid 3782] close(13) = -1 EBADF (Bad file descriptor) [pid 3782] close(14) = -1 EBADF (Bad file descriptor) [pid 3782] close(15) = -1 EBADF (Bad file descriptor) [pid 3782] close(16) = -1 EBADF (Bad file descriptor) [pid 3782] close(17) = -1 EBADF (Bad file descriptor) [pid 3782] close(18) = -1 EBADF (Bad file descriptor) [pid 3782] close(19) = -1 EBADF (Bad file descriptor) [pid 3782] close(20) = -1 EBADF (Bad file descriptor) [pid 3782] close(21) = -1 EBADF (Bad file descriptor) [pid 3782] close(22) = -1 EBADF (Bad file descriptor) [pid 3782] close(23) = -1 EBADF (Bad file descriptor) [pid 3782] close(24) = -1 EBADF (Bad file descriptor) [pid 3782] close(25) = -1 EBADF (Bad file descriptor) [pid 3782] close(26) = -1 EBADF (Bad file descriptor) [pid 3782] close(27) = -1 EBADF (Bad file descriptor) [pid 3782] close(28) = -1 EBADF (Bad file descriptor) [pid 3782] close(29) = -1 EBADF (Bad file descriptor) [pid 3782] exit_group(0) = ? [pid 3782] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./176/binderfs") = 0 [pid 3605] umount2("./176/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./176/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./176/cgroup") = 0 [pid 3605] umount2("./176/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./176/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./176/cgroup.net") = 0 [pid 3605] umount2("./176/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./176/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./176/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./176") = 0 [pid 3605] mkdir("./177", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3783 attached [pid 3783] chdir("./177") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 179 [pid 3783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3783] setpgid(0, 0) = 0 [pid 3783] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3783] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3783] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3783] write(3, "1000", 4) = 4 [pid 3783] close(3) = 0 [pid 3783] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3783] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3783] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3783] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3783] openat(3, "freezer.state", O_RDWR) = 4 [pid 3783] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3783] close(3) = 0 [pid 3783] close(4) = 0 [pid 3783] close(5) = -1 EBADF (Bad file descriptor) [pid 3783] close(6) = -1 EBADF (Bad file descriptor) [pid 3783] close(7) = -1 EBADF (Bad file descriptor) [pid 3783] close(8) = -1 EBADF (Bad file descriptor) [pid 3783] close(9) = -1 EBADF (Bad file descriptor) [pid 3783] close(10) = -1 EBADF (Bad file descriptor) [pid 3783] close(11) = -1 EBADF (Bad file descriptor) [pid 3783] close(12) = -1 EBADF (Bad file descriptor) [pid 3783] close(13) = -1 EBADF (Bad file descriptor) [pid 3783] close(14) = -1 EBADF (Bad file descriptor) [pid 3783] close(15) = -1 EBADF (Bad file descriptor) [pid 3783] close(16) = -1 EBADF (Bad file descriptor) [pid 3783] close(17) = -1 EBADF (Bad file descriptor) [pid 3783] close(18) = -1 EBADF (Bad file descriptor) [pid 3783] close(19) = -1 EBADF (Bad file descriptor) [pid 3783] close(20) = -1 EBADF (Bad file descriptor) [pid 3783] close(21) = -1 EBADF (Bad file descriptor) [pid 3783] close(22) = -1 EBADF (Bad file descriptor) [pid 3783] close(23) = -1 EBADF (Bad file descriptor) [pid 3783] close(24) = -1 EBADF (Bad file descriptor) [pid 3783] close(25) = -1 EBADF (Bad file descriptor) [pid 3783] close(26) = -1 EBADF (Bad file descriptor) [pid 3783] close(27) = -1 EBADF (Bad file descriptor) [pid 3783] close(28) = -1 EBADF (Bad file descriptor) [pid 3783] close(29) = -1 EBADF (Bad file descriptor) [pid 3783] exit_group(0) = ? [pid 3783] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./177/binderfs") = 0 [pid 3605] umount2("./177/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./177/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./177/cgroup") = 0 [pid 3605] umount2("./177/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./177/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./177/cgroup.net") = 0 [pid 3605] umount2("./177/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./177/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./177/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./177") = 0 [pid 3605] mkdir("./178", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3784 attached , child_tidptr=0x555556c0f5d0) = 180 [pid 3784] chdir("./178") = 0 [pid 3784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3784] setpgid(0, 0) = 0 [pid 3784] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3784] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3784] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3784] write(3, "1000", 4) = 4 [pid 3784] close(3) = 0 [pid 3784] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3784] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3784] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3784] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3784] openat(3, "freezer.state", O_RDWR) = 4 [pid 3784] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3784] close(3) = 0 [pid 3784] close(4) = 0 [pid 3784] close(5) = -1 EBADF (Bad file descriptor) [pid 3784] close(6) = -1 EBADF (Bad file descriptor) [pid 3784] close(7) = -1 EBADF (Bad file descriptor) [pid 3784] close(8) = -1 EBADF (Bad file descriptor) [pid 3784] close(9) = -1 EBADF (Bad file descriptor) [pid 3784] close(10) = -1 EBADF (Bad file descriptor) [pid 3784] close(11) = -1 EBADF (Bad file descriptor) [pid 3784] close(12) = -1 EBADF (Bad file descriptor) [pid 3784] close(13) = -1 EBADF (Bad file descriptor) [pid 3784] close(14) = -1 EBADF (Bad file descriptor) [pid 3784] close(15) = -1 EBADF (Bad file descriptor) [pid 3784] close(16) = -1 EBADF (Bad file descriptor) [pid 3784] close(17) = -1 EBADF (Bad file descriptor) [pid 3784] close(18) = -1 EBADF (Bad file descriptor) [pid 3784] close(19) = -1 EBADF (Bad file descriptor) [pid 3784] close(20) = -1 EBADF (Bad file descriptor) [pid 3784] close(21) = -1 EBADF (Bad file descriptor) [pid 3784] close(22) = -1 EBADF (Bad file descriptor) [pid 3784] close(23) = -1 EBADF (Bad file descriptor) [pid 3784] close(24) = -1 EBADF (Bad file descriptor) [pid 3784] close(25) = -1 EBADF (Bad file descriptor) [pid 3784] close(26) = -1 EBADF (Bad file descriptor) [pid 3784] close(27) = -1 EBADF (Bad file descriptor) [pid 3784] close(28) = -1 EBADF (Bad file descriptor) [pid 3784] close(29) = -1 EBADF (Bad file descriptor) [pid 3784] exit_group(0) = ? [pid 3784] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./178/binderfs") = 0 [pid 3605] umount2("./178/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./178/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./178/cgroup") = 0 [pid 3605] umount2("./178/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./178/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./178/cgroup.net") = 0 [pid 3605] umount2("./178/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./178/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./178/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./178") = 0 [pid 3605] mkdir("./179", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3785 attached , child_tidptr=0x555556c0f5d0) = 181 [pid 3785] chdir("./179") = 0 [pid 3785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3785] setpgid(0, 0) = 0 [pid 3785] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3785] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3785] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3785] write(3, "1000", 4) = 4 [pid 3785] close(3) = 0 [pid 3785] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3785] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3785] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3785] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3785] openat(3, "freezer.state", O_RDWR) = 4 [pid 3785] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3785] close(3) = 0 [pid 3785] close(4) = 0 [pid 3785] close(5) = -1 EBADF (Bad file descriptor) [pid 3785] close(6) = -1 EBADF (Bad file descriptor) [pid 3785] close(7) = -1 EBADF (Bad file descriptor) [pid 3785] close(8) = -1 EBADF (Bad file descriptor) [pid 3785] close(9) = -1 EBADF (Bad file descriptor) [pid 3785] close(10) = -1 EBADF (Bad file descriptor) [pid 3785] close(11) = -1 EBADF (Bad file descriptor) [pid 3785] close(12) = -1 EBADF (Bad file descriptor) [pid 3785] close(13) = -1 EBADF (Bad file descriptor) [pid 3785] close(14) = -1 EBADF (Bad file descriptor) [pid 3785] close(15) = -1 EBADF (Bad file descriptor) [pid 3785] close(16) = -1 EBADF (Bad file descriptor) [pid 3785] close(17) = -1 EBADF (Bad file descriptor) [pid 3785] close(18) = -1 EBADF (Bad file descriptor) [pid 3785] close(19) = -1 EBADF (Bad file descriptor) [pid 3785] close(20) = -1 EBADF (Bad file descriptor) [pid 3785] close(21) = -1 EBADF (Bad file descriptor) [pid 3785] close(22) = -1 EBADF (Bad file descriptor) [pid 3785] close(23) = -1 EBADF (Bad file descriptor) [pid 3785] close(24) = -1 EBADF (Bad file descriptor) [pid 3785] close(25) = -1 EBADF (Bad file descriptor) [pid 3785] close(26) = -1 EBADF (Bad file descriptor) [pid 3785] close(27) = -1 EBADF (Bad file descriptor) [pid 3785] close(28) = -1 EBADF (Bad file descriptor) [pid 3785] close(29) = -1 EBADF (Bad file descriptor) [pid 3785] exit_group(0) = ? [pid 3785] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./179/binderfs") = 0 [pid 3605] umount2("./179/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./179/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./179/cgroup") = 0 [pid 3605] umount2("./179/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./179/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./179/cgroup.net") = 0 [pid 3605] umount2("./179/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./179/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./179/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./179") = 0 [pid 3605] mkdir("./180", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3786 attached [pid 3786] chdir("./180") = 0 [pid 3786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 182 [pid 3786] setpgid(0, 0) = 0 [pid 3786] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3786] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3786] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3786] write(3, "1000", 4) = 4 [pid 3786] close(3) = 0 [pid 3786] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3786] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3786] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3786] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3786] openat(3, "freezer.state", O_RDWR) = 4 [pid 3786] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3786] close(3) = 0 [pid 3786] close(4) = 0 [pid 3786] close(5) = -1 EBADF (Bad file descriptor) [pid 3786] close(6) = -1 EBADF (Bad file descriptor) [pid 3786] close(7) = -1 EBADF (Bad file descriptor) [pid 3786] close(8) = -1 EBADF (Bad file descriptor) [pid 3786] close(9) = -1 EBADF (Bad file descriptor) [pid 3786] close(10) = -1 EBADF (Bad file descriptor) [pid 3786] close(11) = -1 EBADF (Bad file descriptor) [pid 3786] close(12) = -1 EBADF (Bad file descriptor) [pid 3786] close(13) = -1 EBADF (Bad file descriptor) [pid 3786] close(14) = -1 EBADF (Bad file descriptor) [pid 3786] close(15) = -1 EBADF (Bad file descriptor) [pid 3786] close(16) = -1 EBADF (Bad file descriptor) [pid 3786] close(17) = -1 EBADF (Bad file descriptor) [pid 3786] close(18) = -1 EBADF (Bad file descriptor) [pid 3786] close(19) = -1 EBADF (Bad file descriptor) [pid 3786] close(20) = -1 EBADF (Bad file descriptor) [pid 3786] close(21) = -1 EBADF (Bad file descriptor) [pid 3786] close(22) = -1 EBADF (Bad file descriptor) [pid 3786] close(23) = -1 EBADF (Bad file descriptor) [pid 3786] close(24) = -1 EBADF (Bad file descriptor) [pid 3786] close(25) = -1 EBADF (Bad file descriptor) [pid 3786] close(26) = -1 EBADF (Bad file descriptor) [pid 3786] close(27) = -1 EBADF (Bad file descriptor) [pid 3786] close(28) = -1 EBADF (Bad file descriptor) [pid 3786] close(29) = -1 EBADF (Bad file descriptor) [pid 3786] exit_group(0) = ? [pid 3786] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./180/binderfs") = 0 [pid 3605] umount2("./180/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./180/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./180/cgroup") = 0 [pid 3605] umount2("./180/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./180/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./180/cgroup.net") = 0 [pid 3605] umount2("./180/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./180/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./180/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./180") = 0 [pid 3605] mkdir("./181", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3787 attached [pid 3787] chdir("./181") = 0 [pid 3787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 183 [pid 3787] <... prctl resumed>) = 0 [pid 3787] setpgid(0, 0) = 0 [pid 3787] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3787] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3787] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3787] write(3, "1000", 4) = 4 [pid 3787] close(3) = 0 [pid 3787] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3787] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3787] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3787] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3787] openat(3, "freezer.state", O_RDWR) = 4 [pid 3787] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3787] close(3) = 0 [pid 3787] close(4) = 0 [pid 3787] close(5) = -1 EBADF (Bad file descriptor) [pid 3787] close(6) = -1 EBADF (Bad file descriptor) [pid 3787] close(7) = -1 EBADF (Bad file descriptor) [pid 3787] close(8) = -1 EBADF (Bad file descriptor) [pid 3787] close(9) = -1 EBADF (Bad file descriptor) [pid 3787] close(10) = -1 EBADF (Bad file descriptor) [pid 3787] close(11) = -1 EBADF (Bad file descriptor) [pid 3787] close(12) = -1 EBADF (Bad file descriptor) [pid 3787] close(13) = -1 EBADF (Bad file descriptor) [pid 3787] close(14) = -1 EBADF (Bad file descriptor) [pid 3787] close(15) = -1 EBADF (Bad file descriptor) [pid 3787] close(16) = -1 EBADF (Bad file descriptor) [pid 3787] close(17) = -1 EBADF (Bad file descriptor) [pid 3787] close(18) = -1 EBADF (Bad file descriptor) [pid 3787] close(19) = -1 EBADF (Bad file descriptor) [pid 3787] close(20) = -1 EBADF (Bad file descriptor) [pid 3787] close(21) = -1 EBADF (Bad file descriptor) [pid 3787] close(22) = -1 EBADF (Bad file descriptor) [pid 3787] close(23) = -1 EBADF (Bad file descriptor) [pid 3787] close(24) = -1 EBADF (Bad file descriptor) [pid 3787] close(25) = -1 EBADF (Bad file descriptor) [pid 3787] close(26) = -1 EBADF (Bad file descriptor) [pid 3787] close(27) = -1 EBADF (Bad file descriptor) [pid 3787] close(28) = -1 EBADF (Bad file descriptor) [pid 3787] close(29) = -1 EBADF (Bad file descriptor) [pid 3787] exit_group(0) = ? [pid 3787] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./181/binderfs") = 0 [pid 3605] umount2("./181/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./181/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./181/cgroup") = 0 [pid 3605] umount2("./181/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./181/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./181/cgroup.net") = 0 [pid 3605] umount2("./181/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./181/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./181/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./181") = 0 [pid 3605] mkdir("./182", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3788 attached [pid 3788] chdir("./182") = 0 [pid 3788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3788] setpgid(0, 0) = 0 [pid 3788] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 184 [pid 3788] <... symlink resumed>) = 0 [pid 3788] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3788] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3788] write(3, "1000", 4) = 4 [pid 3788] close(3) = 0 [pid 3788] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3788] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3788] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3788] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3788] openat(3, "freezer.state", O_RDWR) = 4 [pid 3788] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3788] close(3) = 0 [pid 3788] close(4) = 0 [pid 3788] close(5) = -1 EBADF (Bad file descriptor) [pid 3788] close(6) = -1 EBADF (Bad file descriptor) [pid 3788] close(7) = -1 EBADF (Bad file descriptor) [pid 3788] close(8) = -1 EBADF (Bad file descriptor) [pid 3788] close(9) = -1 EBADF (Bad file descriptor) [pid 3788] close(10) = -1 EBADF (Bad file descriptor) [pid 3788] close(11) = -1 EBADF (Bad file descriptor) [pid 3788] close(12) = -1 EBADF (Bad file descriptor) [pid 3788] close(13) = -1 EBADF (Bad file descriptor) [pid 3788] close(14) = -1 EBADF (Bad file descriptor) [pid 3788] close(15) = -1 EBADF (Bad file descriptor) [pid 3788] close(16) = -1 EBADF (Bad file descriptor) [pid 3788] close(17) = -1 EBADF (Bad file descriptor) [pid 3788] close(18) = -1 EBADF (Bad file descriptor) [pid 3788] close(19) = -1 EBADF (Bad file descriptor) [pid 3788] close(20) = -1 EBADF (Bad file descriptor) [pid 3788] close(21) = -1 EBADF (Bad file descriptor) [pid 3788] close(22) = -1 EBADF (Bad file descriptor) [pid 3788] close(23) = -1 EBADF (Bad file descriptor) [pid 3788] close(24) = -1 EBADF (Bad file descriptor) [pid 3788] close(25) = -1 EBADF (Bad file descriptor) [pid 3788] close(26) = -1 EBADF (Bad file descriptor) [pid 3788] close(27) = -1 EBADF (Bad file descriptor) [pid 3788] close(28) = -1 EBADF (Bad file descriptor) [pid 3788] close(29) = -1 EBADF (Bad file descriptor) [pid 3788] exit_group(0) = ? [pid 3788] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./182/binderfs") = 0 [pid 3605] umount2("./182/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./182/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./182/cgroup") = 0 [pid 3605] umount2("./182/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./182/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./182/cgroup.net") = 0 [pid 3605] umount2("./182/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./182/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./182/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./182") = 0 [pid 3605] mkdir("./183", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3789 attached [pid 3789] chdir("./183") = 0 [pid 3789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3789] setpgid(0, 0) = 0 [pid 3789] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3789] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 185 [pid 3789] <... symlink resumed>) = 0 [pid 3789] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3789] write(3, "1000", 4) = 4 [pid 3789] close(3) = 0 [pid 3789] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3789] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3789] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3789] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3789] openat(3, "freezer.state", O_RDWR) = 4 [pid 3789] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3789] close(3) = 0 [pid 3789] close(4) = 0 [pid 3789] close(5) = -1 EBADF (Bad file descriptor) [pid 3789] close(6) = -1 EBADF (Bad file descriptor) [pid 3789] close(7) = -1 EBADF (Bad file descriptor) [pid 3789] close(8) = -1 EBADF (Bad file descriptor) [pid 3789] close(9) = -1 EBADF (Bad file descriptor) [pid 3789] close(10) = -1 EBADF (Bad file descriptor) [pid 3789] close(11) = -1 EBADF (Bad file descriptor) [pid 3789] close(12) = -1 EBADF (Bad file descriptor) [pid 3789] close(13) = -1 EBADF (Bad file descriptor) [pid 3789] close(14) = -1 EBADF (Bad file descriptor) [pid 3789] close(15) = -1 EBADF (Bad file descriptor) [pid 3789] close(16) = -1 EBADF (Bad file descriptor) [pid 3789] close(17) = -1 EBADF (Bad file descriptor) [pid 3789] close(18) = -1 EBADF (Bad file descriptor) [pid 3789] close(19) = -1 EBADF (Bad file descriptor) [pid 3789] close(20) = -1 EBADF (Bad file descriptor) [pid 3789] close(21) = -1 EBADF (Bad file descriptor) [pid 3789] close(22) = -1 EBADF (Bad file descriptor) [pid 3789] close(23) = -1 EBADF (Bad file descriptor) [pid 3789] close(24) = -1 EBADF (Bad file descriptor) [pid 3789] close(25) = -1 EBADF (Bad file descriptor) [pid 3789] close(26) = -1 EBADF (Bad file descriptor) [pid 3789] close(27) = -1 EBADF (Bad file descriptor) [pid 3789] close(28) = -1 EBADF (Bad file descriptor) [pid 3789] close(29) = -1 EBADF (Bad file descriptor) [pid 3789] exit_group(0) = ? [pid 3789] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./183/binderfs") = 0 [pid 3605] umount2("./183/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./183/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./183/cgroup") = 0 [pid 3605] umount2("./183/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./183/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./183/cgroup.net") = 0 [pid 3605] umount2("./183/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./183/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./183/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./183") = 0 [pid 3605] mkdir("./184", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3790 attached [pid 3790] chdir("./184" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 186 [pid 3790] <... chdir resumed>) = 0 [pid 3790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3790] setpgid(0, 0) = 0 [pid 3790] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3790] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3790] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3790] write(3, "1000", 4) = 4 [pid 3790] close(3) = 0 [pid 3790] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3790] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3790] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3790] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3790] openat(3, "freezer.state", O_RDWR) = 4 [pid 3790] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3790] close(3) = 0 [pid 3790] close(4) = 0 [pid 3790] close(5) = -1 EBADF (Bad file descriptor) [pid 3790] close(6) = -1 EBADF (Bad file descriptor) [pid 3790] close(7) = -1 EBADF (Bad file descriptor) [pid 3790] close(8) = -1 EBADF (Bad file descriptor) [pid 3790] close(9) = -1 EBADF (Bad file descriptor) [pid 3790] close(10) = -1 EBADF (Bad file descriptor) [pid 3790] close(11) = -1 EBADF (Bad file descriptor) [pid 3790] close(12) = -1 EBADF (Bad file descriptor) [pid 3790] close(13) = -1 EBADF (Bad file descriptor) [pid 3790] close(14) = -1 EBADF (Bad file descriptor) [pid 3790] close(15) = -1 EBADF (Bad file descriptor) [pid 3790] close(16) = -1 EBADF (Bad file descriptor) [pid 3790] close(17) = -1 EBADF (Bad file descriptor) [pid 3790] close(18) = -1 EBADF (Bad file descriptor) [pid 3790] close(19) = -1 EBADF (Bad file descriptor) [pid 3790] close(20) = -1 EBADF (Bad file descriptor) [pid 3790] close(21) = -1 EBADF (Bad file descriptor) [pid 3790] close(22) = -1 EBADF (Bad file descriptor) [pid 3790] close(23) = -1 EBADF (Bad file descriptor) [pid 3790] close(24) = -1 EBADF (Bad file descriptor) [pid 3790] close(25) = -1 EBADF (Bad file descriptor) [pid 3790] close(26) = -1 EBADF (Bad file descriptor) [pid 3790] close(27) = -1 EBADF (Bad file descriptor) [pid 3790] close(28) = -1 EBADF (Bad file descriptor) [pid 3790] close(29) = -1 EBADF (Bad file descriptor) [pid 3790] exit_group(0) = ? [pid 3790] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./184/binderfs") = 0 [pid 3605] umount2("./184/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./184/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./184/cgroup") = 0 [pid 3605] umount2("./184/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./184/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./184/cgroup.net") = 0 [pid 3605] umount2("./184/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./184/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./184/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./184") = 0 [pid 3605] mkdir("./185", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3791 attached [pid 3791] chdir("./185") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 187 [pid 3791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3791] setpgid(0, 0) = 0 [pid 3791] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3791] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3791] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3791] write(3, "1000", 4) = 4 [pid 3791] close(3) = 0 [pid 3791] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3791] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3791] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3791] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3791] openat(3, "freezer.state", O_RDWR) = 4 [pid 3791] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3791] close(3) = 0 [pid 3791] close(4) = 0 [pid 3791] close(5) = -1 EBADF (Bad file descriptor) [pid 3791] close(6) = -1 EBADF (Bad file descriptor) [pid 3791] close(7) = -1 EBADF (Bad file descriptor) [pid 3791] close(8) = -1 EBADF (Bad file descriptor) [pid 3791] close(9) = -1 EBADF (Bad file descriptor) [pid 3791] close(10) = -1 EBADF (Bad file descriptor) [pid 3791] close(11) = -1 EBADF (Bad file descriptor) [pid 3791] close(12) = -1 EBADF (Bad file descriptor) [pid 3791] close(13) = -1 EBADF (Bad file descriptor) [pid 3791] close(14) = -1 EBADF (Bad file descriptor) [pid 3791] close(15) = -1 EBADF (Bad file descriptor) [pid 3791] close(16) = -1 EBADF (Bad file descriptor) [pid 3791] close(17) = -1 EBADF (Bad file descriptor) [pid 3791] close(18) = -1 EBADF (Bad file descriptor) [pid 3791] close(19) = -1 EBADF (Bad file descriptor) [pid 3791] close(20) = -1 EBADF (Bad file descriptor) [pid 3791] close(21) = -1 EBADF (Bad file descriptor) [pid 3791] close(22) = -1 EBADF (Bad file descriptor) [pid 3791] close(23) = -1 EBADF (Bad file descriptor) [pid 3791] close(24) = -1 EBADF (Bad file descriptor) [pid 3791] close(25) = -1 EBADF (Bad file descriptor) [pid 3791] close(26) = -1 EBADF (Bad file descriptor) [pid 3791] close(27) = -1 EBADF (Bad file descriptor) [pid 3791] close(28) = -1 EBADF (Bad file descriptor) [pid 3791] close(29) = -1 EBADF (Bad file descriptor) [pid 3791] exit_group(0) = ? [pid 3791] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./185/binderfs") = 0 [pid 3605] umount2("./185/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./185/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./185/cgroup") = 0 [pid 3605] umount2("./185/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./185/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./185/cgroup.net") = 0 [pid 3605] umount2("./185/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./185/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./185/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./185") = 0 [pid 3605] mkdir("./186", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3792 attached [pid 3792] chdir("./186") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 188 [pid 3792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3792] setpgid(0, 0) = 0 [pid 3792] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3792] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3792] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3792] write(3, "1000", 4) = 4 [pid 3792] close(3) = 0 [pid 3792] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3792] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3792] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3792] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3792] openat(3, "freezer.state", O_RDWR) = 4 [pid 3792] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3792] close(3) = 0 [pid 3792] close(4) = 0 [pid 3792] close(5) = -1 EBADF (Bad file descriptor) [pid 3792] close(6) = -1 EBADF (Bad file descriptor) [pid 3792] close(7) = -1 EBADF (Bad file descriptor) [pid 3792] close(8) = -1 EBADF (Bad file descriptor) [pid 3792] close(9) = -1 EBADF (Bad file descriptor) [pid 3792] close(10) = -1 EBADF (Bad file descriptor) [pid 3792] close(11) = -1 EBADF (Bad file descriptor) [pid 3792] close(12) = -1 EBADF (Bad file descriptor) [pid 3792] close(13) = -1 EBADF (Bad file descriptor) [pid 3792] close(14) = -1 EBADF (Bad file descriptor) [pid 3792] close(15) = -1 EBADF (Bad file descriptor) [pid 3792] close(16) = -1 EBADF (Bad file descriptor) [pid 3792] close(17) = -1 EBADF (Bad file descriptor) [pid 3792] close(18) = -1 EBADF (Bad file descriptor) [pid 3792] close(19) = -1 EBADF (Bad file descriptor) [pid 3792] close(20) = -1 EBADF (Bad file descriptor) [pid 3792] close(21) = -1 EBADF (Bad file descriptor) [pid 3792] close(22) = -1 EBADF (Bad file descriptor) [pid 3792] close(23) = -1 EBADF (Bad file descriptor) [pid 3792] close(24) = -1 EBADF (Bad file descriptor) [pid 3792] close(25) = -1 EBADF (Bad file descriptor) [pid 3792] close(26) = -1 EBADF (Bad file descriptor) [pid 3792] close(27) = -1 EBADF (Bad file descriptor) [pid 3792] close(28) = -1 EBADF (Bad file descriptor) [pid 3792] close(29) = -1 EBADF (Bad file descriptor) [pid 3792] exit_group(0) = ? [pid 3792] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./186/binderfs") = 0 [pid 3605] umount2("./186/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./186/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./186/cgroup") = 0 [pid 3605] umount2("./186/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./186/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./186/cgroup.net") = 0 [pid 3605] umount2("./186/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./186/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./186/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./186") = 0 [pid 3605] mkdir("./187", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3793 attached [pid 3793] chdir("./187") = 0 [pid 3793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 189 [pid 3793] <... prctl resumed>) = 0 [pid 3793] setpgid(0, 0) = 0 [pid 3793] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3793] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3793] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3793] write(3, "1000", 4) = 4 [pid 3793] close(3) = 0 [pid 3793] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3793] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3793] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3793] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3793] openat(3, "freezer.state", O_RDWR) = 4 [pid 3793] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3793] close(3) = 0 [pid 3793] close(4) = 0 [pid 3793] close(5) = -1 EBADF (Bad file descriptor) [pid 3793] close(6) = -1 EBADF (Bad file descriptor) [pid 3793] close(7) = -1 EBADF (Bad file descriptor) [pid 3793] close(8) = -1 EBADF (Bad file descriptor) [pid 3793] close(9) = -1 EBADF (Bad file descriptor) [pid 3793] close(10) = -1 EBADF (Bad file descriptor) [pid 3793] close(11) = -1 EBADF (Bad file descriptor) [pid 3793] close(12) = -1 EBADF (Bad file descriptor) [pid 3793] close(13) = -1 EBADF (Bad file descriptor) [pid 3793] close(14) = -1 EBADF (Bad file descriptor) [pid 3793] close(15) = -1 EBADF (Bad file descriptor) [pid 3793] close(16) = -1 EBADF (Bad file descriptor) [pid 3793] close(17) = -1 EBADF (Bad file descriptor) [pid 3793] close(18) = -1 EBADF (Bad file descriptor) [pid 3793] close(19) = -1 EBADF (Bad file descriptor) [pid 3793] close(20) = -1 EBADF (Bad file descriptor) [pid 3793] close(21) = -1 EBADF (Bad file descriptor) [pid 3793] close(22) = -1 EBADF (Bad file descriptor) [pid 3793] close(23) = -1 EBADF (Bad file descriptor) [pid 3793] close(24) = -1 EBADF (Bad file descriptor) [pid 3793] close(25) = -1 EBADF (Bad file descriptor) [pid 3793] close(26) = -1 EBADF (Bad file descriptor) [pid 3793] close(27) = -1 EBADF (Bad file descriptor) [pid 3793] close(28) = -1 EBADF (Bad file descriptor) [pid 3793] close(29) = -1 EBADF (Bad file descriptor) [pid 3793] exit_group(0) = ? [pid 3793] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./187/binderfs") = 0 [pid 3605] umount2("./187/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./187/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./187/cgroup") = 0 [pid 3605] umount2("./187/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./187/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./187/cgroup.net") = 0 [pid 3605] umount2("./187/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./187/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./187/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./187") = 0 [pid 3605] mkdir("./188", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3794 attached , child_tidptr=0x555556c0f5d0) = 190 [pid 3794] chdir("./188") = 0 [pid 3794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3794] setpgid(0, 0) = 0 [pid 3794] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3794] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3794] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3794] write(3, "1000", 4) = 4 [pid 3794] close(3) = 0 [pid 3794] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3794] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3794] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3794] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3794] openat(3, "freezer.state", O_RDWR) = 4 [pid 3794] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3794] close(3) = 0 [pid 3794] close(4) = 0 [pid 3794] close(5) = -1 EBADF (Bad file descriptor) [pid 3794] close(6) = -1 EBADF (Bad file descriptor) [pid 3794] close(7) = -1 EBADF (Bad file descriptor) [pid 3794] close(8) = -1 EBADF (Bad file descriptor) [pid 3794] close(9) = -1 EBADF (Bad file descriptor) [pid 3794] close(10) = -1 EBADF (Bad file descriptor) [pid 3794] close(11) = -1 EBADF (Bad file descriptor) [pid 3794] close(12) = -1 EBADF (Bad file descriptor) [pid 3794] close(13) = -1 EBADF (Bad file descriptor) [pid 3794] close(14) = -1 EBADF (Bad file descriptor) [pid 3794] close(15) = -1 EBADF (Bad file descriptor) [pid 3794] close(16) = -1 EBADF (Bad file descriptor) [pid 3794] close(17) = -1 EBADF (Bad file descriptor) [pid 3794] close(18) = -1 EBADF (Bad file descriptor) [pid 3794] close(19) = -1 EBADF (Bad file descriptor) [pid 3794] close(20) = -1 EBADF (Bad file descriptor) [pid 3794] close(21) = -1 EBADF (Bad file descriptor) [pid 3794] close(22) = -1 EBADF (Bad file descriptor) [pid 3794] close(23) = -1 EBADF (Bad file descriptor) [pid 3794] close(24) = -1 EBADF (Bad file descriptor) [pid 3794] close(25) = -1 EBADF (Bad file descriptor) [pid 3794] close(26) = -1 EBADF (Bad file descriptor) [pid 3794] close(27) = -1 EBADF (Bad file descriptor) [pid 3794] close(28) = -1 EBADF (Bad file descriptor) [pid 3794] close(29) = -1 EBADF (Bad file descriptor) [pid 3794] exit_group(0) = ? [pid 3794] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./188/binderfs") = 0 [pid 3605] umount2("./188/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./188/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./188/cgroup") = 0 [pid 3605] umount2("./188/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./188/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./188/cgroup.net") = 0 [pid 3605] umount2("./188/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./188/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./188/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./188") = 0 [pid 3605] mkdir("./189", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3795 attached [pid 3795] chdir("./189") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 191 [pid 3795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3795] setpgid(0, 0) = 0 [pid 3795] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3795] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3795] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3795] write(3, "1000", 4) = 4 [pid 3795] close(3) = 0 [pid 3795] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3795] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3795] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3795] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3795] openat(3, "freezer.state", O_RDWR) = 4 [pid 3795] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3795] close(3) = 0 [pid 3795] close(4) = 0 [pid 3795] close(5) = -1 EBADF (Bad file descriptor) [pid 3795] close(6) = -1 EBADF (Bad file descriptor) [pid 3795] close(7) = -1 EBADF (Bad file descriptor) [pid 3795] close(8) = -1 EBADF (Bad file descriptor) [pid 3795] close(9) = -1 EBADF (Bad file descriptor) [pid 3795] close(10) = -1 EBADF (Bad file descriptor) [pid 3795] close(11) = -1 EBADF (Bad file descriptor) [pid 3795] close(12) = -1 EBADF (Bad file descriptor) [pid 3795] close(13) = -1 EBADF (Bad file descriptor) [pid 3795] close(14) = -1 EBADF (Bad file descriptor) [pid 3795] close(15) = -1 EBADF (Bad file descriptor) [pid 3795] close(16) = -1 EBADF (Bad file descriptor) [pid 3795] close(17) = -1 EBADF (Bad file descriptor) [pid 3795] close(18) = -1 EBADF (Bad file descriptor) [pid 3795] close(19) = -1 EBADF (Bad file descriptor) [pid 3795] close(20) = -1 EBADF (Bad file descriptor) [pid 3795] close(21) = -1 EBADF (Bad file descriptor) [pid 3795] close(22) = -1 EBADF (Bad file descriptor) [pid 3795] close(23) = -1 EBADF (Bad file descriptor) [pid 3795] close(24) = -1 EBADF (Bad file descriptor) [pid 3795] close(25) = -1 EBADF (Bad file descriptor) [pid 3795] close(26) = -1 EBADF (Bad file descriptor) [pid 3795] close(27) = -1 EBADF (Bad file descriptor) [pid 3795] close(28) = -1 EBADF (Bad file descriptor) [pid 3795] close(29) = -1 EBADF (Bad file descriptor) [pid 3795] exit_group(0) = ? [pid 3795] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./189/binderfs") = 0 [pid 3605] umount2("./189/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./189/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./189/cgroup") = 0 [pid 3605] umount2("./189/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./189/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./189/cgroup.net") = 0 [pid 3605] umount2("./189/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./189/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./189/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./189") = 0 [pid 3605] mkdir("./190", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3796 attached [pid 3796] chdir("./190" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 192 [pid 3796] <... chdir resumed>) = 0 [pid 3796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3796] setpgid(0, 0) = 0 [pid 3796] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3796] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3796] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3796] write(3, "1000", 4) = 4 [pid 3796] close(3) = 0 [pid 3796] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3796] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3796] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3796] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3796] openat(3, "freezer.state", O_RDWR) = 4 [pid 3796] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3796] close(3) = 0 [pid 3796] close(4) = 0 [pid 3796] close(5) = -1 EBADF (Bad file descriptor) [pid 3796] close(6) = -1 EBADF (Bad file descriptor) [pid 3796] close(7) = -1 EBADF (Bad file descriptor) [pid 3796] close(8) = -1 EBADF (Bad file descriptor) [pid 3796] close(9) = -1 EBADF (Bad file descriptor) [pid 3796] close(10) = -1 EBADF (Bad file descriptor) [pid 3796] close(11) = -1 EBADF (Bad file descriptor) [pid 3796] close(12) = -1 EBADF (Bad file descriptor) [pid 3796] close(13) = -1 EBADF (Bad file descriptor) [pid 3796] close(14) = -1 EBADF (Bad file descriptor) [pid 3796] close(15) = -1 EBADF (Bad file descriptor) [pid 3796] close(16) = -1 EBADF (Bad file descriptor) [pid 3796] close(17) = -1 EBADF (Bad file descriptor) [pid 3796] close(18) = -1 EBADF (Bad file descriptor) [pid 3796] close(19) = -1 EBADF (Bad file descriptor) [pid 3796] close(20) = -1 EBADF (Bad file descriptor) [pid 3796] close(21) = -1 EBADF (Bad file descriptor) [pid 3796] close(22) = -1 EBADF (Bad file descriptor) [pid 3796] close(23) = -1 EBADF (Bad file descriptor) [pid 3796] close(24) = -1 EBADF (Bad file descriptor) [pid 3796] close(25) = -1 EBADF (Bad file descriptor) [pid 3796] close(26) = -1 EBADF (Bad file descriptor) [pid 3796] close(27) = -1 EBADF (Bad file descriptor) [pid 3796] close(28) = -1 EBADF (Bad file descriptor) [pid 3796] close(29) = -1 EBADF (Bad file descriptor) [pid 3796] exit_group(0) = ? [pid 3796] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./190/binderfs") = 0 [pid 3605] umount2("./190/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./190/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./190/cgroup") = 0 [pid 3605] umount2("./190/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./190/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./190/cgroup.net") = 0 [pid 3605] umount2("./190/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./190/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./190/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./190") = 0 [pid 3605] mkdir("./191", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3797 attached [pid 3797] chdir("./191") = 0 [pid 3797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3797] setpgid(0, 0) = 0 [pid 3797] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 193 [pid 3797] <... symlink resumed>) = 0 [pid 3797] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3797] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3797] write(3, "1000", 4) = 4 [pid 3797] close(3) = 0 [pid 3797] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3797] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3797] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3797] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3797] openat(3, "freezer.state", O_RDWR) = 4 [pid 3797] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3797] close(3) = 0 [pid 3797] close(4) = 0 [pid 3797] close(5) = -1 EBADF (Bad file descriptor) [pid 3797] close(6) = -1 EBADF (Bad file descriptor) [pid 3797] close(7) = -1 EBADF (Bad file descriptor) [pid 3797] close(8) = -1 EBADF (Bad file descriptor) [pid 3797] close(9) = -1 EBADF (Bad file descriptor) [pid 3797] close(10) = -1 EBADF (Bad file descriptor) [pid 3797] close(11) = -1 EBADF (Bad file descriptor) [pid 3797] close(12) = -1 EBADF (Bad file descriptor) [pid 3797] close(13) = -1 EBADF (Bad file descriptor) [pid 3797] close(14) = -1 EBADF (Bad file descriptor) [pid 3797] close(15) = -1 EBADF (Bad file descriptor) [pid 3797] close(16) = -1 EBADF (Bad file descriptor) [pid 3797] close(17) = -1 EBADF (Bad file descriptor) [pid 3797] close(18) = -1 EBADF (Bad file descriptor) [pid 3797] close(19) = -1 EBADF (Bad file descriptor) [pid 3797] close(20) = -1 EBADF (Bad file descriptor) [pid 3797] close(21) = -1 EBADF (Bad file descriptor) [pid 3797] close(22) = -1 EBADF (Bad file descriptor) [pid 3797] close(23) = -1 EBADF (Bad file descriptor) [pid 3797] close(24) = -1 EBADF (Bad file descriptor) [pid 3797] close(25) = -1 EBADF (Bad file descriptor) [pid 3797] close(26) = -1 EBADF (Bad file descriptor) [pid 3797] close(27) = -1 EBADF (Bad file descriptor) [pid 3797] close(28) = -1 EBADF (Bad file descriptor) [pid 3797] close(29) = -1 EBADF (Bad file descriptor) [pid 3797] exit_group(0) = ? [pid 3797] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./191/binderfs") = 0 [pid 3605] umount2("./191/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./191/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./191/cgroup") = 0 [pid 3605] umount2("./191/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./191/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./191/cgroup.net") = 0 [pid 3605] umount2("./191/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./191/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./191/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./191") = 0 [pid 3605] mkdir("./192", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3798 attached [pid 3798] chdir("./192") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 194 [pid 3798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3798] setpgid(0, 0) = 0 [pid 3798] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3798] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3798] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3798] write(3, "1000", 4) = 4 [pid 3798] close(3) = 0 [pid 3798] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3798] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3798] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3798] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3798] openat(3, "freezer.state", O_RDWR) = 4 [pid 3798] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3798] close(3) = 0 [pid 3798] close(4) = 0 [pid 3798] close(5) = -1 EBADF (Bad file descriptor) [pid 3798] close(6) = -1 EBADF (Bad file descriptor) [pid 3798] close(7) = -1 EBADF (Bad file descriptor) [pid 3798] close(8) = -1 EBADF (Bad file descriptor) [pid 3798] close(9) = -1 EBADF (Bad file descriptor) [pid 3798] close(10) = -1 EBADF (Bad file descriptor) [pid 3798] close(11) = -1 EBADF (Bad file descriptor) [pid 3798] close(12) = -1 EBADF (Bad file descriptor) [pid 3798] close(13) = -1 EBADF (Bad file descriptor) [pid 3798] close(14) = -1 EBADF (Bad file descriptor) [pid 3798] close(15) = -1 EBADF (Bad file descriptor) [pid 3798] close(16) = -1 EBADF (Bad file descriptor) [pid 3798] close(17) = -1 EBADF (Bad file descriptor) [pid 3798] close(18) = -1 EBADF (Bad file descriptor) [pid 3798] close(19) = -1 EBADF (Bad file descriptor) [pid 3798] close(20) = -1 EBADF (Bad file descriptor) [pid 3798] close(21) = -1 EBADF (Bad file descriptor) [pid 3798] close(22) = -1 EBADF (Bad file descriptor) [pid 3798] close(23) = -1 EBADF (Bad file descriptor) [pid 3798] close(24) = -1 EBADF (Bad file descriptor) [pid 3798] close(25) = -1 EBADF (Bad file descriptor) [pid 3798] close(26) = -1 EBADF (Bad file descriptor) [pid 3798] close(27) = -1 EBADF (Bad file descriptor) [pid 3798] close(28) = -1 EBADF (Bad file descriptor) [pid 3798] close(29) = -1 EBADF (Bad file descriptor) [pid 3798] exit_group(0) = ? [pid 3798] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./192/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./192/binderfs") = 0 [pid 3605] umount2("./192/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./192/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./192/cgroup") = 0 [pid 3605] umount2("./192/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./192/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./192/cgroup.net") = 0 [pid 3605] umount2("./192/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./192/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./192/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./192") = 0 [pid 3605] mkdir("./193", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3799 attached [pid 3799] chdir("./193") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 195 [pid 3799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3799] setpgid(0, 0) = 0 [pid 3799] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3799] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3799] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3799] write(3, "1000", 4) = 4 [pid 3799] close(3) = 0 [pid 3799] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3799] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3799] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3799] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3799] openat(3, "freezer.state", O_RDWR) = 4 [pid 3799] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3799] close(3) = 0 [pid 3799] close(4) = 0 [pid 3799] close(5) = -1 EBADF (Bad file descriptor) [pid 3799] close(6) = -1 EBADF (Bad file descriptor) [pid 3799] close(7) = -1 EBADF (Bad file descriptor) [pid 3799] close(8) = -1 EBADF (Bad file descriptor) [pid 3799] close(9) = -1 EBADF (Bad file descriptor) [pid 3799] close(10) = -1 EBADF (Bad file descriptor) [pid 3799] close(11) = -1 EBADF (Bad file descriptor) [pid 3799] close(12) = -1 EBADF (Bad file descriptor) [pid 3799] close(13) = -1 EBADF (Bad file descriptor) [pid 3799] close(14) = -1 EBADF (Bad file descriptor) [pid 3799] close(15) = -1 EBADF (Bad file descriptor) [pid 3799] close(16) = -1 EBADF (Bad file descriptor) [pid 3799] close(17) = -1 EBADF (Bad file descriptor) [pid 3799] close(18) = -1 EBADF (Bad file descriptor) [pid 3799] close(19) = -1 EBADF (Bad file descriptor) [pid 3799] close(20) = -1 EBADF (Bad file descriptor) [pid 3799] close(21) = -1 EBADF (Bad file descriptor) [pid 3799] close(22) = -1 EBADF (Bad file descriptor) [pid 3799] close(23) = -1 EBADF (Bad file descriptor) [pid 3799] close(24) = -1 EBADF (Bad file descriptor) [pid 3799] close(25) = -1 EBADF (Bad file descriptor) [pid 3799] close(26) = -1 EBADF (Bad file descriptor) [pid 3799] close(27) = -1 EBADF (Bad file descriptor) [pid 3799] close(28) = -1 EBADF (Bad file descriptor) [pid 3799] close(29) = -1 EBADF (Bad file descriptor) [pid 3799] exit_group(0) = ? [pid 3799] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./193/binderfs") = 0 [pid 3605] umount2("./193/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./193/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./193/cgroup") = 0 [pid 3605] umount2("./193/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./193/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./193/cgroup.net") = 0 [pid 3605] umount2("./193/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./193/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./193/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./193") = 0 [pid 3605] mkdir("./194", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3800 attached [pid 3800] chdir("./194") = 0 [pid 3800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3800] setpgid(0, 0) = 0 [pid 3800] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 196 [pid 3800] <... symlink resumed>) = 0 [pid 3800] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3800] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3800] write(3, "1000", 4) = 4 [pid 3800] close(3) = 0 [pid 3800] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3800] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3800] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3800] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3800] openat(3, "freezer.state", O_RDWR) = 4 [pid 3800] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3800] close(3) = 0 [pid 3800] close(4) = 0 [pid 3800] close(5) = -1 EBADF (Bad file descriptor) [pid 3800] close(6) = -1 EBADF (Bad file descriptor) [pid 3800] close(7) = -1 EBADF (Bad file descriptor) [pid 3800] close(8) = -1 EBADF (Bad file descriptor) [pid 3800] close(9) = -1 EBADF (Bad file descriptor) [pid 3800] close(10) = -1 EBADF (Bad file descriptor) [pid 3800] close(11) = -1 EBADF (Bad file descriptor) [pid 3800] close(12) = -1 EBADF (Bad file descriptor) [pid 3800] close(13) = -1 EBADF (Bad file descriptor) [pid 3800] close(14) = -1 EBADF (Bad file descriptor) [pid 3800] close(15) = -1 EBADF (Bad file descriptor) [pid 3800] close(16) = -1 EBADF (Bad file descriptor) [pid 3800] close(17) = -1 EBADF (Bad file descriptor) [pid 3800] close(18) = -1 EBADF (Bad file descriptor) [pid 3800] close(19) = -1 EBADF (Bad file descriptor) [pid 3800] close(20) = -1 EBADF (Bad file descriptor) [pid 3800] close(21) = -1 EBADF (Bad file descriptor) [pid 3800] close(22) = -1 EBADF (Bad file descriptor) [pid 3800] close(23) = -1 EBADF (Bad file descriptor) [pid 3800] close(24) = -1 EBADF (Bad file descriptor) [pid 3800] close(25) = -1 EBADF (Bad file descriptor) [pid 3800] close(26) = -1 EBADF (Bad file descriptor) [pid 3800] close(27) = -1 EBADF (Bad file descriptor) [pid 3800] close(28) = -1 EBADF (Bad file descriptor) [pid 3800] close(29) = -1 EBADF (Bad file descriptor) [pid 3800] exit_group(0) = ? [pid 3800] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./194/binderfs") = 0 [pid 3605] umount2("./194/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./194/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./194/cgroup") = 0 [pid 3605] umount2("./194/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./194/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./194/cgroup.net") = 0 [pid 3605] umount2("./194/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./194/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./194/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./194") = 0 [pid 3605] mkdir("./195", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3801 attached [pid 3801] chdir("./195") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 197 [pid 3801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3801] setpgid(0, 0) = 0 [pid 3801] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3801] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3801] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3801] write(3, "1000", 4) = 4 [pid 3801] close(3) = 0 [pid 3801] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3801] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3801] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3801] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3801] openat(3, "freezer.state", O_RDWR) = 4 [pid 3801] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3801] close(3) = 0 [pid 3801] close(4) = 0 [pid 3801] close(5) = -1 EBADF (Bad file descriptor) [pid 3801] close(6) = -1 EBADF (Bad file descriptor) [pid 3801] close(7) = -1 EBADF (Bad file descriptor) [pid 3801] close(8) = -1 EBADF (Bad file descriptor) [pid 3801] close(9) = -1 EBADF (Bad file descriptor) [pid 3801] close(10) = -1 EBADF (Bad file descriptor) [pid 3801] close(11) = -1 EBADF (Bad file descriptor) [pid 3801] close(12) = -1 EBADF (Bad file descriptor) [pid 3801] close(13) = -1 EBADF (Bad file descriptor) [pid 3801] close(14) = -1 EBADF (Bad file descriptor) [pid 3801] close(15) = -1 EBADF (Bad file descriptor) [pid 3801] close(16) = -1 EBADF (Bad file descriptor) [pid 3801] close(17) = -1 EBADF (Bad file descriptor) [pid 3801] close(18) = -1 EBADF (Bad file descriptor) [pid 3801] close(19) = -1 EBADF (Bad file descriptor) [pid 3801] close(20) = -1 EBADF (Bad file descriptor) [pid 3801] close(21) = -1 EBADF (Bad file descriptor) [pid 3801] close(22) = -1 EBADF (Bad file descriptor) [pid 3801] close(23) = -1 EBADF (Bad file descriptor) [pid 3801] close(24) = -1 EBADF (Bad file descriptor) [pid 3801] close(25) = -1 EBADF (Bad file descriptor) [pid 3801] close(26) = -1 EBADF (Bad file descriptor) [pid 3801] close(27) = -1 EBADF (Bad file descriptor) [pid 3801] close(28) = -1 EBADF (Bad file descriptor) [pid 3801] close(29) = -1 EBADF (Bad file descriptor) [pid 3801] exit_group(0) = ? [pid 3801] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./195/binderfs") = 0 [pid 3605] umount2("./195/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./195/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./195/cgroup") = 0 [pid 3605] umount2("./195/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./195/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./195/cgroup.net") = 0 [pid 3605] umount2("./195/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./195/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./195/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./195") = 0 [pid 3605] mkdir("./196", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3802 attached [pid 3802] chdir("./196" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 198 [pid 3802] <... chdir resumed>) = 0 [pid 3802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3802] setpgid(0, 0) = 0 [pid 3802] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3802] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3802] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3802] write(3, "1000", 4) = 4 [pid 3802] close(3) = 0 [pid 3802] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3802] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3802] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3802] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3802] openat(3, "freezer.state", O_RDWR) = 4 [pid 3802] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3802] close(3) = 0 [pid 3802] close(4) = 0 [pid 3802] close(5) = -1 EBADF (Bad file descriptor) [pid 3802] close(6) = -1 EBADF (Bad file descriptor) [pid 3802] close(7) = -1 EBADF (Bad file descriptor) [pid 3802] close(8) = -1 EBADF (Bad file descriptor) [pid 3802] close(9) = -1 EBADF (Bad file descriptor) [pid 3802] close(10) = -1 EBADF (Bad file descriptor) [pid 3802] close(11) = -1 EBADF (Bad file descriptor) [pid 3802] close(12) = -1 EBADF (Bad file descriptor) [pid 3802] close(13) = -1 EBADF (Bad file descriptor) [pid 3802] close(14) = -1 EBADF (Bad file descriptor) [pid 3802] close(15) = -1 EBADF (Bad file descriptor) [pid 3802] close(16) = -1 EBADF (Bad file descriptor) [pid 3802] close(17) = -1 EBADF (Bad file descriptor) [pid 3802] close(18) = -1 EBADF (Bad file descriptor) [pid 3802] close(19) = -1 EBADF (Bad file descriptor) [pid 3802] close(20) = -1 EBADF (Bad file descriptor) [pid 3802] close(21) = -1 EBADF (Bad file descriptor) [pid 3802] close(22) = -1 EBADF (Bad file descriptor) [pid 3802] close(23) = -1 EBADF (Bad file descriptor) [pid 3802] close(24) = -1 EBADF (Bad file descriptor) [pid 3802] close(25) = -1 EBADF (Bad file descriptor) [pid 3802] close(26) = -1 EBADF (Bad file descriptor) [pid 3802] close(27) = -1 EBADF (Bad file descriptor) [pid 3802] close(28) = -1 EBADF (Bad file descriptor) [pid 3802] close(29) = -1 EBADF (Bad file descriptor) [pid 3802] exit_group(0) = ? [pid 3802] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./196/binderfs") = 0 [pid 3605] umount2("./196/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./196/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./196/cgroup") = 0 [pid 3605] umount2("./196/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./196/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./196/cgroup.net") = 0 [pid 3605] umount2("./196/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./196/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./196/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./196") = 0 [pid 3605] mkdir("./197", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3803 attached , child_tidptr=0x555556c0f5d0) = 199 [pid 3803] chdir("./197") = 0 [pid 3803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3803] setpgid(0, 0) = 0 [pid 3803] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3803] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3803] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3803] write(3, "1000", 4) = 4 [pid 3803] close(3) = 0 [pid 3803] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3803] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3803] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3803] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3803] openat(3, "freezer.state", O_RDWR) = 4 [pid 3803] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3803] close(3) = 0 [pid 3803] close(4) = 0 [pid 3803] close(5) = -1 EBADF (Bad file descriptor) [pid 3803] close(6) = -1 EBADF (Bad file descriptor) [pid 3803] close(7) = -1 EBADF (Bad file descriptor) [pid 3803] close(8) = -1 EBADF (Bad file descriptor) [pid 3803] close(9) = -1 EBADF (Bad file descriptor) [pid 3803] close(10) = -1 EBADF (Bad file descriptor) [pid 3803] close(11) = -1 EBADF (Bad file descriptor) [pid 3803] close(12) = -1 EBADF (Bad file descriptor) [pid 3803] close(13) = -1 EBADF (Bad file descriptor) [pid 3803] close(14) = -1 EBADF (Bad file descriptor) [pid 3803] close(15) = -1 EBADF (Bad file descriptor) [pid 3803] close(16) = -1 EBADF (Bad file descriptor) [pid 3803] close(17) = -1 EBADF (Bad file descriptor) [pid 3803] close(18) = -1 EBADF (Bad file descriptor) [pid 3803] close(19) = -1 EBADF (Bad file descriptor) [pid 3803] close(20) = -1 EBADF (Bad file descriptor) [pid 3803] close(21) = -1 EBADF (Bad file descriptor) [pid 3803] close(22) = -1 EBADF (Bad file descriptor) [pid 3803] close(23) = -1 EBADF (Bad file descriptor) [pid 3803] close(24) = -1 EBADF (Bad file descriptor) [pid 3803] close(25) = -1 EBADF (Bad file descriptor) [pid 3803] close(26) = -1 EBADF (Bad file descriptor) [pid 3803] close(27) = -1 EBADF (Bad file descriptor) [pid 3803] close(28) = -1 EBADF (Bad file descriptor) [pid 3803] close(29) = -1 EBADF (Bad file descriptor) [pid 3803] exit_group(0) = ? [pid 3803] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./197/binderfs") = 0 [pid 3605] umount2("./197/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./197/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./197/cgroup") = 0 [pid 3605] umount2("./197/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./197/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./197/cgroup.net") = 0 [pid 3605] umount2("./197/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./197/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./197/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./197") = 0 [pid 3605] mkdir("./198", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3804 attached , child_tidptr=0x555556c0f5d0) = 200 [pid 3804] chdir("./198") = 0 [pid 3804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3804] setpgid(0, 0) = 0 [pid 3804] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3804] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3804] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3804] write(3, "1000", 4) = 4 [pid 3804] close(3) = 0 [pid 3804] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3804] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3804] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3804] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3804] openat(3, "freezer.state", O_RDWR) = 4 [pid 3804] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3804] close(3) = 0 [pid 3804] close(4) = 0 [pid 3804] close(5) = -1 EBADF (Bad file descriptor) [pid 3804] close(6) = -1 EBADF (Bad file descriptor) [pid 3804] close(7) = -1 EBADF (Bad file descriptor) [pid 3804] close(8) = -1 EBADF (Bad file descriptor) [pid 3804] close(9) = -1 EBADF (Bad file descriptor) [pid 3804] close(10) = -1 EBADF (Bad file descriptor) [pid 3804] close(11) = -1 EBADF (Bad file descriptor) [pid 3804] close(12) = -1 EBADF (Bad file descriptor) [pid 3804] close(13) = -1 EBADF (Bad file descriptor) [pid 3804] close(14) = -1 EBADF (Bad file descriptor) [pid 3804] close(15) = -1 EBADF (Bad file descriptor) [pid 3804] close(16) = -1 EBADF (Bad file descriptor) [pid 3804] close(17) = -1 EBADF (Bad file descriptor) [pid 3804] close(18) = -1 EBADF (Bad file descriptor) [pid 3804] close(19) = -1 EBADF (Bad file descriptor) [pid 3804] close(20) = -1 EBADF (Bad file descriptor) [pid 3804] close(21) = -1 EBADF (Bad file descriptor) [pid 3804] close(22) = -1 EBADF (Bad file descriptor) [pid 3804] close(23) = -1 EBADF (Bad file descriptor) [pid 3804] close(24) = -1 EBADF (Bad file descriptor) [pid 3804] close(25) = -1 EBADF (Bad file descriptor) [pid 3804] close(26) = -1 EBADF (Bad file descriptor) [pid 3804] close(27) = -1 EBADF (Bad file descriptor) [pid 3804] close(28) = -1 EBADF (Bad file descriptor) [pid 3804] close(29) = -1 EBADF (Bad file descriptor) [pid 3804] exit_group(0) = ? [pid 3804] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./198/binderfs") = 0 [pid 3605] umount2("./198/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./198/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./198/cgroup") = 0 [pid 3605] umount2("./198/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./198/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./198/cgroup.net") = 0 [pid 3605] umount2("./198/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./198/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./198/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./198") = 0 [pid 3605] mkdir("./199", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3805 attached , child_tidptr=0x555556c0f5d0) = 201 [pid 3805] chdir("./199") = 0 [pid 3805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3805] setpgid(0, 0) = 0 [pid 3805] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3805] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3805] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3805] write(3, "1000", 4) = 4 [pid 3805] close(3) = 0 [pid 3805] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3805] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3805] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3805] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3805] openat(3, "freezer.state", O_RDWR) = 4 [pid 3805] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3805] close(3) = 0 [pid 3805] close(4) = 0 [pid 3805] close(5) = -1 EBADF (Bad file descriptor) [pid 3805] close(6) = -1 EBADF (Bad file descriptor) [pid 3805] close(7) = -1 EBADF (Bad file descriptor) [pid 3805] close(8) = -1 EBADF (Bad file descriptor) [pid 3805] close(9) = -1 EBADF (Bad file descriptor) [pid 3805] close(10) = -1 EBADF (Bad file descriptor) [pid 3805] close(11) = -1 EBADF (Bad file descriptor) [pid 3805] close(12) = -1 EBADF (Bad file descriptor) [pid 3805] close(13) = -1 EBADF (Bad file descriptor) [pid 3805] close(14) = -1 EBADF (Bad file descriptor) [pid 3805] close(15) = -1 EBADF (Bad file descriptor) [pid 3805] close(16) = -1 EBADF (Bad file descriptor) [pid 3805] close(17) = -1 EBADF (Bad file descriptor) [pid 3805] close(18) = -1 EBADF (Bad file descriptor) [pid 3805] close(19) = -1 EBADF (Bad file descriptor) [pid 3805] close(20) = -1 EBADF (Bad file descriptor) [pid 3805] close(21) = -1 EBADF (Bad file descriptor) [pid 3805] close(22) = -1 EBADF (Bad file descriptor) [pid 3805] close(23) = -1 EBADF (Bad file descriptor) [pid 3805] close(24) = -1 EBADF (Bad file descriptor) [pid 3805] close(25) = -1 EBADF (Bad file descriptor) [pid 3805] close(26) = -1 EBADF (Bad file descriptor) [pid 3805] close(27) = -1 EBADF (Bad file descriptor) [pid 3805] close(28) = -1 EBADF (Bad file descriptor) [pid 3805] close(29) = -1 EBADF (Bad file descriptor) [pid 3805] exit_group(0) = ? [pid 3805] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./199/binderfs") = 0 [pid 3605] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./199/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./199/cgroup") = 0 [pid 3605] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./199/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./199/cgroup.net") = 0 [pid 3605] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./199/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./199/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./199") = 0 [pid 3605] mkdir("./200", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 202 ./strace-static-x86_64: Process 3806 attached [pid 3806] chdir("./200") = 0 [pid 3806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3806] setpgid(0, 0) = 0 [pid 3806] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3806] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3806] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3806] write(3, "1000", 4) = 4 [pid 3806] close(3) = 0 [pid 3806] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3806] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3806] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3806] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3806] openat(3, "freezer.state", O_RDWR) = 4 [pid 3806] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3806] close(3) = 0 [pid 3806] close(4) = 0 [pid 3806] close(5) = -1 EBADF (Bad file descriptor) [pid 3806] close(6) = -1 EBADF (Bad file descriptor) [pid 3806] close(7) = -1 EBADF (Bad file descriptor) [pid 3806] close(8) = -1 EBADF (Bad file descriptor) [pid 3806] close(9) = -1 EBADF (Bad file descriptor) [pid 3806] close(10) = -1 EBADF (Bad file descriptor) [pid 3806] close(11) = -1 EBADF (Bad file descriptor) [pid 3806] close(12) = -1 EBADF (Bad file descriptor) [pid 3806] close(13) = -1 EBADF (Bad file descriptor) [pid 3806] close(14) = -1 EBADF (Bad file descriptor) [pid 3806] close(15) = -1 EBADF (Bad file descriptor) [pid 3806] close(16) = -1 EBADF (Bad file descriptor) [pid 3806] close(17) = -1 EBADF (Bad file descriptor) [pid 3806] close(18) = -1 EBADF (Bad file descriptor) [pid 3806] close(19) = -1 EBADF (Bad file descriptor) [pid 3806] close(20) = -1 EBADF (Bad file descriptor) [pid 3806] close(21) = -1 EBADF (Bad file descriptor) [pid 3806] close(22) = -1 EBADF (Bad file descriptor) [pid 3806] close(23) = -1 EBADF (Bad file descriptor) [pid 3806] close(24) = -1 EBADF (Bad file descriptor) [pid 3806] close(25) = -1 EBADF (Bad file descriptor) [pid 3806] close(26) = -1 EBADF (Bad file descriptor) [pid 3806] close(27) = -1 EBADF (Bad file descriptor) [pid 3806] close(28) = -1 EBADF (Bad file descriptor) [pid 3806] close(29) = -1 EBADF (Bad file descriptor) [pid 3806] exit_group(0) = ? [pid 3806] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./200/binderfs") = 0 [pid 3605] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./200/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./200/cgroup") = 0 [pid 3605] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./200/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./200/cgroup.net") = 0 [pid 3605] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./200/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./200/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./200") = 0 [pid 3605] mkdir("./201", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3807 attached [pid 3807] chdir("./201") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 203 [pid 3807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3807] setpgid(0, 0) = 0 [pid 3807] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3807] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3807] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3807] write(3, "1000", 4) = 4 [pid 3807] close(3) = 0 [pid 3807] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3807] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3807] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3807] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3807] openat(3, "freezer.state", O_RDWR) = 4 [pid 3807] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3807] close(3) = 0 [pid 3807] close(4) = 0 [pid 3807] close(5) = -1 EBADF (Bad file descriptor) [pid 3807] close(6) = -1 EBADF (Bad file descriptor) [pid 3807] close(7) = -1 EBADF (Bad file descriptor) [pid 3807] close(8) = -1 EBADF (Bad file descriptor) [pid 3807] close(9) = -1 EBADF (Bad file descriptor) [pid 3807] close(10) = -1 EBADF (Bad file descriptor) [pid 3807] close(11) = -1 EBADF (Bad file descriptor) [pid 3807] close(12) = -1 EBADF (Bad file descriptor) [pid 3807] close(13) = -1 EBADF (Bad file descriptor) [pid 3807] close(14) = -1 EBADF (Bad file descriptor) [pid 3807] close(15) = -1 EBADF (Bad file descriptor) [pid 3807] close(16) = -1 EBADF (Bad file descriptor) [pid 3807] close(17) = -1 EBADF (Bad file descriptor) [pid 3807] close(18) = -1 EBADF (Bad file descriptor) [pid 3807] close(19) = -1 EBADF (Bad file descriptor) [pid 3807] close(20) = -1 EBADF (Bad file descriptor) [pid 3807] close(21) = -1 EBADF (Bad file descriptor) [pid 3807] close(22) = -1 EBADF (Bad file descriptor) [pid 3807] close(23) = -1 EBADF (Bad file descriptor) [pid 3807] close(24) = -1 EBADF (Bad file descriptor) [pid 3807] close(25) = -1 EBADF (Bad file descriptor) [pid 3807] close(26) = -1 EBADF (Bad file descriptor) [pid 3807] close(27) = -1 EBADF (Bad file descriptor) [pid 3807] close(28) = -1 EBADF (Bad file descriptor) [pid 3807] close(29) = -1 EBADF (Bad file descriptor) [pid 3807] exit_group(0) = ? [pid 3807] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./201/binderfs") = 0 [pid 3605] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./201/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./201/cgroup") = 0 [pid 3605] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./201/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./201/cgroup.net") = 0 [pid 3605] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./201/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./201/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./201") = 0 [pid 3605] mkdir("./202", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3808 attached [pid 3808] chdir("./202") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 204 [pid 3808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3808] setpgid(0, 0) = 0 [pid 3808] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3808] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3808] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3808] write(3, "1000", 4) = 4 [pid 3808] close(3) = 0 [pid 3808] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3808] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3808] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3808] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3808] openat(3, "freezer.state", O_RDWR) = 4 [pid 3808] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3808] close(3) = 0 [pid 3808] close(4) = 0 [pid 3808] close(5) = -1 EBADF (Bad file descriptor) [pid 3808] close(6) = -1 EBADF (Bad file descriptor) [pid 3808] close(7) = -1 EBADF (Bad file descriptor) [pid 3808] close(8) = -1 EBADF (Bad file descriptor) [pid 3808] close(9) = -1 EBADF (Bad file descriptor) [pid 3808] close(10) = -1 EBADF (Bad file descriptor) [pid 3808] close(11) = -1 EBADF (Bad file descriptor) [pid 3808] close(12) = -1 EBADF (Bad file descriptor) [pid 3808] close(13) = -1 EBADF (Bad file descriptor) [pid 3808] close(14) = -1 EBADF (Bad file descriptor) [pid 3808] close(15) = -1 EBADF (Bad file descriptor) [pid 3808] close(16) = -1 EBADF (Bad file descriptor) [pid 3808] close(17) = -1 EBADF (Bad file descriptor) [pid 3808] close(18) = -1 EBADF (Bad file descriptor) [pid 3808] close(19) = -1 EBADF (Bad file descriptor) [pid 3808] close(20) = -1 EBADF (Bad file descriptor) [pid 3808] close(21) = -1 EBADF (Bad file descriptor) [pid 3808] close(22) = -1 EBADF (Bad file descriptor) [pid 3808] close(23) = -1 EBADF (Bad file descriptor) [pid 3808] close(24) = -1 EBADF (Bad file descriptor) [pid 3808] close(25) = -1 EBADF (Bad file descriptor) [pid 3808] close(26) = -1 EBADF (Bad file descriptor) [pid 3808] close(27) = -1 EBADF (Bad file descriptor) [pid 3808] close(28) = -1 EBADF (Bad file descriptor) [pid 3808] close(29) = -1 EBADF (Bad file descriptor) [pid 3808] exit_group(0) = ? [pid 3808] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./202/binderfs") = 0 [pid 3605] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./202/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./202/cgroup") = 0 [pid 3605] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./202/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./202/cgroup.net") = 0 [pid 3605] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./202/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./202/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./202") = 0 [pid 3605] mkdir("./203", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3809 attached [pid 3809] chdir("./203") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 205 [pid 3809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3809] setpgid(0, 0) = 0 [pid 3809] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3809] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3809] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3809] write(3, "1000", 4) = 4 [pid 3809] close(3) = 0 [pid 3809] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3809] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3809] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3809] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3809] openat(3, "freezer.state", O_RDWR) = 4 [pid 3809] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3809] close(3) = 0 [pid 3809] close(4) = 0 [pid 3809] close(5) = -1 EBADF (Bad file descriptor) [pid 3809] close(6) = -1 EBADF (Bad file descriptor) [pid 3809] close(7) = -1 EBADF (Bad file descriptor) [pid 3809] close(8) = -1 EBADF (Bad file descriptor) [pid 3809] close(9) = -1 EBADF (Bad file descriptor) [pid 3809] close(10) = -1 EBADF (Bad file descriptor) [pid 3809] close(11) = -1 EBADF (Bad file descriptor) [pid 3809] close(12) = -1 EBADF (Bad file descriptor) [pid 3809] close(13) = -1 EBADF (Bad file descriptor) [pid 3809] close(14) = -1 EBADF (Bad file descriptor) [pid 3809] close(15) = -1 EBADF (Bad file descriptor) [pid 3809] close(16) = -1 EBADF (Bad file descriptor) [pid 3809] close(17) = -1 EBADF (Bad file descriptor) [pid 3809] close(18) = -1 EBADF (Bad file descriptor) [pid 3809] close(19) = -1 EBADF (Bad file descriptor) [pid 3809] close(20) = -1 EBADF (Bad file descriptor) [pid 3809] close(21) = -1 EBADF (Bad file descriptor) [pid 3809] close(22) = -1 EBADF (Bad file descriptor) [pid 3809] close(23) = -1 EBADF (Bad file descriptor) [pid 3809] close(24) = -1 EBADF (Bad file descriptor) [pid 3809] close(25) = -1 EBADF (Bad file descriptor) [pid 3809] close(26) = -1 EBADF (Bad file descriptor) [pid 3809] close(27) = -1 EBADF (Bad file descriptor) [pid 3809] close(28) = -1 EBADF (Bad file descriptor) [pid 3809] close(29) = -1 EBADF (Bad file descriptor) [pid 3809] exit_group(0) = ? [pid 3809] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./203/binderfs") = 0 [pid 3605] umount2("./203/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./203/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./203/cgroup") = 0 [pid 3605] umount2("./203/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./203/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./203/cgroup.net") = 0 [pid 3605] umount2("./203/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./203/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./203/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./203") = 0 [pid 3605] mkdir("./204", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3810 attached [pid 3810] chdir("./204") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 206 [pid 3810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3810] setpgid(0, 0) = 0 [pid 3810] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3810] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3810] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3810] write(3, "1000", 4) = 4 [pid 3810] close(3) = 0 [pid 3810] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3810] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3810] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3810] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3810] openat(3, "freezer.state", O_RDWR) = 4 [pid 3810] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3810] close(3) = 0 [pid 3810] close(4) = 0 [pid 3810] close(5) = -1 EBADF (Bad file descriptor) [pid 3810] close(6) = -1 EBADF (Bad file descriptor) [pid 3810] close(7) = -1 EBADF (Bad file descriptor) [pid 3810] close(8) = -1 EBADF (Bad file descriptor) [pid 3810] close(9) = -1 EBADF (Bad file descriptor) [pid 3810] close(10) = -1 EBADF (Bad file descriptor) [pid 3810] close(11) = -1 EBADF (Bad file descriptor) [pid 3810] close(12) = -1 EBADF (Bad file descriptor) [pid 3810] close(13) = -1 EBADF (Bad file descriptor) [pid 3810] close(14) = -1 EBADF (Bad file descriptor) [pid 3810] close(15) = -1 EBADF (Bad file descriptor) [pid 3810] close(16) = -1 EBADF (Bad file descriptor) [pid 3810] close(17) = -1 EBADF (Bad file descriptor) [pid 3810] close(18) = -1 EBADF (Bad file descriptor) [pid 3810] close(19) = -1 EBADF (Bad file descriptor) [pid 3810] close(20) = -1 EBADF (Bad file descriptor) [pid 3810] close(21) = -1 EBADF (Bad file descriptor) [pid 3810] close(22) = -1 EBADF (Bad file descriptor) [pid 3810] close(23) = -1 EBADF (Bad file descriptor) [pid 3810] close(24) = -1 EBADF (Bad file descriptor) [pid 3810] close(25) = -1 EBADF (Bad file descriptor) [pid 3810] close(26) = -1 EBADF (Bad file descriptor) [pid 3810] close(27) = -1 EBADF (Bad file descriptor) [pid 3810] close(28) = -1 EBADF (Bad file descriptor) [pid 3810] close(29) = -1 EBADF (Bad file descriptor) [pid 3810] exit_group(0) = ? [pid 3810] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./204/binderfs") = 0 [pid 3605] umount2("./204/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./204/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./204/cgroup") = 0 [pid 3605] umount2("./204/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./204/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./204/cgroup.net") = 0 [pid 3605] umount2("./204/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./204/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./204/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./204") = 0 [pid 3605] mkdir("./205", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3811 attached [pid 3811] chdir("./205") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 207 [pid 3811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3811] setpgid(0, 0) = 0 [pid 3811] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3811] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3811] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3811] write(3, "1000", 4) = 4 [pid 3811] close(3) = 0 [pid 3811] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3811] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3811] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3811] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3811] openat(3, "freezer.state", O_RDWR) = 4 [pid 3811] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3811] close(3) = 0 [pid 3811] close(4) = 0 [pid 3811] close(5) = -1 EBADF (Bad file descriptor) [pid 3811] close(6) = -1 EBADF (Bad file descriptor) [pid 3811] close(7) = -1 EBADF (Bad file descriptor) [pid 3811] close(8) = -1 EBADF (Bad file descriptor) [pid 3811] close(9) = -1 EBADF (Bad file descriptor) [pid 3811] close(10) = -1 EBADF (Bad file descriptor) [pid 3811] close(11) = -1 EBADF (Bad file descriptor) [pid 3811] close(12) = -1 EBADF (Bad file descriptor) [pid 3811] close(13) = -1 EBADF (Bad file descriptor) [pid 3811] close(14) = -1 EBADF (Bad file descriptor) [pid 3811] close(15) = -1 EBADF (Bad file descriptor) [pid 3811] close(16) = -1 EBADF (Bad file descriptor) [pid 3811] close(17) = -1 EBADF (Bad file descriptor) [pid 3811] close(18) = -1 EBADF (Bad file descriptor) [pid 3811] close(19) = -1 EBADF (Bad file descriptor) [pid 3811] close(20) = -1 EBADF (Bad file descriptor) [pid 3811] close(21) = -1 EBADF (Bad file descriptor) [pid 3811] close(22) = -1 EBADF (Bad file descriptor) [pid 3811] close(23) = -1 EBADF (Bad file descriptor) [pid 3811] close(24) = -1 EBADF (Bad file descriptor) [pid 3811] close(25) = -1 EBADF (Bad file descriptor) [pid 3811] close(26) = -1 EBADF (Bad file descriptor) [pid 3811] close(27) = -1 EBADF (Bad file descriptor) [pid 3811] close(28) = -1 EBADF (Bad file descriptor) [pid 3811] close(29) = -1 EBADF (Bad file descriptor) [pid 3811] exit_group(0) = ? [pid 3811] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./205/binderfs") = 0 [pid 3605] umount2("./205/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./205/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./205/cgroup") = 0 [pid 3605] umount2("./205/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./205/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./205/cgroup.net") = 0 [pid 3605] umount2("./205/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./205/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./205/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./205") = 0 [pid 3605] mkdir("./206", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3812 attached [pid 3812] chdir("./206") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 208 [pid 3812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3812] setpgid(0, 0) = 0 [pid 3812] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3812] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3812] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3812] write(3, "1000", 4) = 4 [pid 3812] close(3) = 0 [pid 3812] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3812] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3812] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3812] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3812] openat(3, "freezer.state", O_RDWR) = 4 [pid 3812] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3812] close(3) = 0 [pid 3812] close(4) = 0 [pid 3812] close(5) = -1 EBADF (Bad file descriptor) [pid 3812] close(6) = -1 EBADF (Bad file descriptor) [pid 3812] close(7) = -1 EBADF (Bad file descriptor) [pid 3812] close(8) = -1 EBADF (Bad file descriptor) [pid 3812] close(9) = -1 EBADF (Bad file descriptor) [pid 3812] close(10) = -1 EBADF (Bad file descriptor) [pid 3812] close(11) = -1 EBADF (Bad file descriptor) [pid 3812] close(12) = -1 EBADF (Bad file descriptor) [pid 3812] close(13) = -1 EBADF (Bad file descriptor) [pid 3812] close(14) = -1 EBADF (Bad file descriptor) [pid 3812] close(15) = -1 EBADF (Bad file descriptor) [pid 3812] close(16) = -1 EBADF (Bad file descriptor) [pid 3812] close(17) = -1 EBADF (Bad file descriptor) [pid 3812] close(18) = -1 EBADF (Bad file descriptor) [pid 3812] close(19) = -1 EBADF (Bad file descriptor) [pid 3812] close(20) = -1 EBADF (Bad file descriptor) [pid 3812] close(21) = -1 EBADF (Bad file descriptor) [pid 3812] close(22) = -1 EBADF (Bad file descriptor) [pid 3812] close(23) = -1 EBADF (Bad file descriptor) [pid 3812] close(24) = -1 EBADF (Bad file descriptor) [pid 3812] close(25) = -1 EBADF (Bad file descriptor) [pid 3812] close(26) = -1 EBADF (Bad file descriptor) [pid 3812] close(27) = -1 EBADF (Bad file descriptor) [pid 3812] close(28) = -1 EBADF (Bad file descriptor) [pid 3812] close(29) = -1 EBADF (Bad file descriptor) [pid 3812] exit_group(0) = ? [pid 3812] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./206/binderfs") = 0 [pid 3605] umount2("./206/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./206/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./206/cgroup") = 0 [pid 3605] umount2("./206/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./206/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./206/cgroup.net") = 0 [pid 3605] umount2("./206/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./206/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./206/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./206") = 0 [pid 3605] mkdir("./207", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3813 attached [pid 3813] chdir("./207") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 209 [pid 3813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3813] setpgid(0, 0) = 0 [pid 3813] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3813] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3813] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3813] write(3, "1000", 4) = 4 [pid 3813] close(3) = 0 [pid 3813] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3813] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3813] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3813] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3813] openat(3, "freezer.state", O_RDWR) = 4 [pid 3813] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3813] close(3) = 0 [pid 3813] close(4) = 0 [pid 3813] close(5) = -1 EBADF (Bad file descriptor) [pid 3813] close(6) = -1 EBADF (Bad file descriptor) [pid 3813] close(7) = -1 EBADF (Bad file descriptor) [pid 3813] close(8) = -1 EBADF (Bad file descriptor) [pid 3813] close(9) = -1 EBADF (Bad file descriptor) [pid 3813] close(10) = -1 EBADF (Bad file descriptor) [pid 3813] close(11) = -1 EBADF (Bad file descriptor) [pid 3813] close(12) = -1 EBADF (Bad file descriptor) [pid 3813] close(13) = -1 EBADF (Bad file descriptor) [pid 3813] close(14) = -1 EBADF (Bad file descriptor) [pid 3813] close(15) = -1 EBADF (Bad file descriptor) [pid 3813] close(16) = -1 EBADF (Bad file descriptor) [pid 3813] close(17) = -1 EBADF (Bad file descriptor) [pid 3813] close(18) = -1 EBADF (Bad file descriptor) [pid 3813] close(19) = -1 EBADF (Bad file descriptor) [pid 3813] close(20) = -1 EBADF (Bad file descriptor) [pid 3813] close(21) = -1 EBADF (Bad file descriptor) [pid 3813] close(22) = -1 EBADF (Bad file descriptor) [pid 3813] close(23) = -1 EBADF (Bad file descriptor) [pid 3813] close(24) = -1 EBADF (Bad file descriptor) [pid 3813] close(25) = -1 EBADF (Bad file descriptor) [pid 3813] close(26) = -1 EBADF (Bad file descriptor) [pid 3813] close(27) = -1 EBADF (Bad file descriptor) [pid 3813] close(28) = -1 EBADF (Bad file descriptor) [pid 3813] close(29) = -1 EBADF (Bad file descriptor) [pid 3813] exit_group(0) = ? [pid 3813] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./207/binderfs") = 0 [pid 3605] umount2("./207/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./207/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./207/cgroup") = 0 [pid 3605] umount2("./207/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./207/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./207/cgroup.net") = 0 [pid 3605] umount2("./207/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./207/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./207/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./207") = 0 [pid 3605] mkdir("./208", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3814 attached [pid 3814] chdir("./208" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 210 [pid 3814] <... chdir resumed>) = 0 [pid 3814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3814] setpgid(0, 0) = 0 [pid 3814] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3814] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3814] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3814] write(3, "1000", 4) = 4 [pid 3814] close(3) = 0 [pid 3814] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3814] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3814] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3814] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3814] openat(3, "freezer.state", O_RDWR) = 4 [pid 3814] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3814] close(3) = 0 [pid 3814] close(4) = 0 [pid 3814] close(5) = -1 EBADF (Bad file descriptor) [pid 3814] close(6) = -1 EBADF (Bad file descriptor) [pid 3814] close(7) = -1 EBADF (Bad file descriptor) [pid 3814] close(8) = -1 EBADF (Bad file descriptor) [pid 3814] close(9) = -1 EBADF (Bad file descriptor) [pid 3814] close(10) = -1 EBADF (Bad file descriptor) [pid 3814] close(11) = -1 EBADF (Bad file descriptor) [pid 3814] close(12) = -1 EBADF (Bad file descriptor) [pid 3814] close(13) = -1 EBADF (Bad file descriptor) [pid 3814] close(14) = -1 EBADF (Bad file descriptor) [pid 3814] close(15) = -1 EBADF (Bad file descriptor) [pid 3814] close(16) = -1 EBADF (Bad file descriptor) [pid 3814] close(17) = -1 EBADF (Bad file descriptor) [pid 3814] close(18) = -1 EBADF (Bad file descriptor) [pid 3814] close(19) = -1 EBADF (Bad file descriptor) [pid 3814] close(20) = -1 EBADF (Bad file descriptor) [pid 3814] close(21) = -1 EBADF (Bad file descriptor) [pid 3814] close(22) = -1 EBADF (Bad file descriptor) [pid 3814] close(23) = -1 EBADF (Bad file descriptor) [pid 3814] close(24) = -1 EBADF (Bad file descriptor) [pid 3814] close(25) = -1 EBADF (Bad file descriptor) [pid 3814] close(26) = -1 EBADF (Bad file descriptor) [pid 3814] close(27) = -1 EBADF (Bad file descriptor) [pid 3814] close(28) = -1 EBADF (Bad file descriptor) [pid 3814] close(29) = -1 EBADF (Bad file descriptor) [pid 3814] exit_group(0) = ? [pid 3814] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./208/binderfs") = 0 [pid 3605] umount2("./208/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./208/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./208/cgroup") = 0 [pid 3605] umount2("./208/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./208/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./208/cgroup.net") = 0 [pid 3605] umount2("./208/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./208/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./208/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./208") = 0 [pid 3605] mkdir("./209", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3815 attached [pid 3815] chdir("./209" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 211 [pid 3815] <... chdir resumed>) = 0 [pid 3815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3815] setpgid(0, 0) = 0 [pid 3815] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3815] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3815] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3815] write(3, "1000", 4) = 4 [pid 3815] close(3) = 0 [pid 3815] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3815] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3815] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3815] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3815] openat(3, "freezer.state", O_RDWR) = 4 [pid 3815] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3815] close(3) = 0 [pid 3815] close(4) = 0 [pid 3815] close(5) = -1 EBADF (Bad file descriptor) [pid 3815] close(6) = -1 EBADF (Bad file descriptor) [pid 3815] close(7) = -1 EBADF (Bad file descriptor) [pid 3815] close(8) = -1 EBADF (Bad file descriptor) [pid 3815] close(9) = -1 EBADF (Bad file descriptor) [pid 3815] close(10) = -1 EBADF (Bad file descriptor) [pid 3815] close(11) = -1 EBADF (Bad file descriptor) [pid 3815] close(12) = -1 EBADF (Bad file descriptor) [pid 3815] close(13) = -1 EBADF (Bad file descriptor) [pid 3815] close(14) = -1 EBADF (Bad file descriptor) [pid 3815] close(15) = -1 EBADF (Bad file descriptor) [pid 3815] close(16) = -1 EBADF (Bad file descriptor) [pid 3815] close(17) = -1 EBADF (Bad file descriptor) [pid 3815] close(18) = -1 EBADF (Bad file descriptor) [pid 3815] close(19) = -1 EBADF (Bad file descriptor) [pid 3815] close(20) = -1 EBADF (Bad file descriptor) [pid 3815] close(21) = -1 EBADF (Bad file descriptor) [pid 3815] close(22) = -1 EBADF (Bad file descriptor) [pid 3815] close(23) = -1 EBADF (Bad file descriptor) [pid 3815] close(24) = -1 EBADF (Bad file descriptor) [pid 3815] close(25) = -1 EBADF (Bad file descriptor) [pid 3815] close(26) = -1 EBADF (Bad file descriptor) [pid 3815] close(27) = -1 EBADF (Bad file descriptor) [pid 3815] close(28) = -1 EBADF (Bad file descriptor) [pid 3815] close(29) = -1 EBADF (Bad file descriptor) [pid 3815] exit_group(0) = ? [pid 3815] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./209/binderfs") = 0 [pid 3605] umount2("./209/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./209/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./209/cgroup") = 0 [pid 3605] umount2("./209/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./209/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./209/cgroup.net") = 0 [pid 3605] umount2("./209/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./209/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./209/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./209") = 0 [pid 3605] mkdir("./210", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3816 attached [pid 3816] chdir("./210" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 212 [pid 3816] <... chdir resumed>) = 0 [pid 3816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3816] setpgid(0, 0) = 0 [pid 3816] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3816] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3816] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3816] write(3, "1000", 4) = 4 [pid 3816] close(3) = 0 [pid 3816] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3816] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3816] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3816] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3816] openat(3, "freezer.state", O_RDWR) = 4 [pid 3816] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3816] close(3) = 0 [pid 3816] close(4) = 0 [pid 3816] close(5) = -1 EBADF (Bad file descriptor) [pid 3816] close(6) = -1 EBADF (Bad file descriptor) [pid 3816] close(7) = -1 EBADF (Bad file descriptor) [pid 3816] close(8) = -1 EBADF (Bad file descriptor) [pid 3816] close(9) = -1 EBADF (Bad file descriptor) [pid 3816] close(10) = -1 EBADF (Bad file descriptor) [pid 3816] close(11) = -1 EBADF (Bad file descriptor) [pid 3816] close(12) = -1 EBADF (Bad file descriptor) [pid 3816] close(13) = -1 EBADF (Bad file descriptor) [pid 3816] close(14) = -1 EBADF (Bad file descriptor) [pid 3816] close(15) = -1 EBADF (Bad file descriptor) [pid 3816] close(16) = -1 EBADF (Bad file descriptor) [pid 3816] close(17) = -1 EBADF (Bad file descriptor) [pid 3816] close(18) = -1 EBADF (Bad file descriptor) [pid 3816] close(19) = -1 EBADF (Bad file descriptor) [pid 3816] close(20) = -1 EBADF (Bad file descriptor) [pid 3816] close(21) = -1 EBADF (Bad file descriptor) [pid 3816] close(22) = -1 EBADF (Bad file descriptor) [pid 3816] close(23) = -1 EBADF (Bad file descriptor) [pid 3816] close(24) = -1 EBADF (Bad file descriptor) [pid 3816] close(25) = -1 EBADF (Bad file descriptor) [pid 3816] close(26) = -1 EBADF (Bad file descriptor) [pid 3816] close(27) = -1 EBADF (Bad file descriptor) [pid 3816] close(28) = -1 EBADF (Bad file descriptor) [pid 3816] close(29) = -1 EBADF (Bad file descriptor) [pid 3816] exit_group(0) = ? [pid 3816] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./210/binderfs") = 0 [pid 3605] umount2("./210/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./210/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./210/cgroup") = 0 [pid 3605] umount2("./210/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./210/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./210/cgroup.net") = 0 [pid 3605] umount2("./210/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./210/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./210/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./210") = 0 [pid 3605] mkdir("./211", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3817 attached , child_tidptr=0x555556c0f5d0) = 213 [pid 3817] chdir("./211") = 0 [pid 3817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3817] setpgid(0, 0) = 0 [pid 3817] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3817] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3817] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3817] write(3, "1000", 4) = 4 [pid 3817] close(3) = 0 [pid 3817] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3817] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3817] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3817] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3817] openat(3, "freezer.state", O_RDWR) = 4 [pid 3817] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3817] close(3) = 0 [pid 3817] close(4) = 0 [pid 3817] close(5) = -1 EBADF (Bad file descriptor) [pid 3817] close(6) = -1 EBADF (Bad file descriptor) [pid 3817] close(7) = -1 EBADF (Bad file descriptor) [pid 3817] close(8) = -1 EBADF (Bad file descriptor) [pid 3817] close(9) = -1 EBADF (Bad file descriptor) [pid 3817] close(10) = -1 EBADF (Bad file descriptor) [pid 3817] close(11) = -1 EBADF (Bad file descriptor) [pid 3817] close(12) = -1 EBADF (Bad file descriptor) [pid 3817] close(13) = -1 EBADF (Bad file descriptor) [pid 3817] close(14) = -1 EBADF (Bad file descriptor) [pid 3817] close(15) = -1 EBADF (Bad file descriptor) [pid 3817] close(16) = -1 EBADF (Bad file descriptor) [pid 3817] close(17) = -1 EBADF (Bad file descriptor) [pid 3817] close(18) = -1 EBADF (Bad file descriptor) [pid 3817] close(19) = -1 EBADF (Bad file descriptor) [pid 3817] close(20) = -1 EBADF (Bad file descriptor) [pid 3817] close(21) = -1 EBADF (Bad file descriptor) [pid 3817] close(22) = -1 EBADF (Bad file descriptor) [pid 3817] close(23) = -1 EBADF (Bad file descriptor) [pid 3817] close(24) = -1 EBADF (Bad file descriptor) [pid 3817] close(25) = -1 EBADF (Bad file descriptor) [pid 3817] close(26) = -1 EBADF (Bad file descriptor) [pid 3817] close(27) = -1 EBADF (Bad file descriptor) [pid 3817] close(28) = -1 EBADF (Bad file descriptor) [pid 3817] close(29) = -1 EBADF (Bad file descriptor) [pid 3817] exit_group(0) = ? [pid 3817] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./211/binderfs") = 0 [pid 3605] umount2("./211/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./211/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./211/cgroup") = 0 [pid 3605] umount2("./211/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./211/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./211/cgroup.net") = 0 [pid 3605] umount2("./211/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./211/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./211/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./211") = 0 [pid 3605] mkdir("./212", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3818 attached [pid 3818] chdir("./212") = 0 [pid 3818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3818] setpgid(0, 0) = 0 [pid 3818] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3818] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 214 [pid 3818] <... symlink resumed>) = 0 [pid 3818] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3818] write(3, "1000", 4) = 4 [pid 3818] close(3) = 0 [pid 3818] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3818] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3818] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3818] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3818] openat(3, "freezer.state", O_RDWR) = 4 [pid 3818] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3818] close(3) = 0 [pid 3818] close(4) = 0 [pid 3818] close(5) = -1 EBADF (Bad file descriptor) [pid 3818] close(6) = -1 EBADF (Bad file descriptor) [pid 3818] close(7) = -1 EBADF (Bad file descriptor) [pid 3818] close(8) = -1 EBADF (Bad file descriptor) [pid 3818] close(9) = -1 EBADF (Bad file descriptor) [pid 3818] close(10) = -1 EBADF (Bad file descriptor) [pid 3818] close(11) = -1 EBADF (Bad file descriptor) [pid 3818] close(12) = -1 EBADF (Bad file descriptor) [pid 3818] close(13) = -1 EBADF (Bad file descriptor) [pid 3818] close(14) = -1 EBADF (Bad file descriptor) [pid 3818] close(15) = -1 EBADF (Bad file descriptor) [pid 3818] close(16) = -1 EBADF (Bad file descriptor) [pid 3818] close(17) = -1 EBADF (Bad file descriptor) [pid 3818] close(18) = -1 EBADF (Bad file descriptor) [pid 3818] close(19) = -1 EBADF (Bad file descriptor) [pid 3818] close(20) = -1 EBADF (Bad file descriptor) [pid 3818] close(21) = -1 EBADF (Bad file descriptor) [pid 3818] close(22) = -1 EBADF (Bad file descriptor) [pid 3818] close(23) = -1 EBADF (Bad file descriptor) [pid 3818] close(24) = -1 EBADF (Bad file descriptor) [pid 3818] close(25) = -1 EBADF (Bad file descriptor) [pid 3818] close(26) = -1 EBADF (Bad file descriptor) [pid 3818] close(27) = -1 EBADF (Bad file descriptor) [pid 3818] close(28) = -1 EBADF (Bad file descriptor) [pid 3818] close(29) = -1 EBADF (Bad file descriptor) [pid 3818] exit_group(0) = ? [pid 3818] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./212/binderfs") = 0 [pid 3605] umount2("./212/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./212/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./212/cgroup") = 0 [pid 3605] umount2("./212/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./212/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./212/cgroup.net") = 0 [pid 3605] umount2("./212/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./212/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./212/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./212") = 0 [pid 3605] mkdir("./213", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3819 attached [pid 3819] chdir("./213") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 215 [pid 3819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3819] setpgid(0, 0) = 0 [pid 3819] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3819] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3819] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3819] write(3, "1000", 4) = 4 [pid 3819] close(3) = 0 [pid 3819] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3819] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3819] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3819] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3819] openat(3, "freezer.state", O_RDWR) = 4 [pid 3819] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3819] close(3) = 0 [pid 3819] close(4) = 0 [pid 3819] close(5) = -1 EBADF (Bad file descriptor) [pid 3819] close(6) = -1 EBADF (Bad file descriptor) [pid 3819] close(7) = -1 EBADF (Bad file descriptor) [pid 3819] close(8) = -1 EBADF (Bad file descriptor) [pid 3819] close(9) = -1 EBADF (Bad file descriptor) [pid 3819] close(10) = -1 EBADF (Bad file descriptor) [pid 3819] close(11) = -1 EBADF (Bad file descriptor) [pid 3819] close(12) = -1 EBADF (Bad file descriptor) [pid 3819] close(13) = -1 EBADF (Bad file descriptor) [pid 3819] close(14) = -1 EBADF (Bad file descriptor) [pid 3819] close(15) = -1 EBADF (Bad file descriptor) [pid 3819] close(16) = -1 EBADF (Bad file descriptor) [pid 3819] close(17) = -1 EBADF (Bad file descriptor) [pid 3819] close(18) = -1 EBADF (Bad file descriptor) [pid 3819] close(19) = -1 EBADF (Bad file descriptor) [pid 3819] close(20) = -1 EBADF (Bad file descriptor) [pid 3819] close(21) = -1 EBADF (Bad file descriptor) [pid 3819] close(22) = -1 EBADF (Bad file descriptor) [pid 3819] close(23) = -1 EBADF (Bad file descriptor) [pid 3819] close(24) = -1 EBADF (Bad file descriptor) [pid 3819] close(25) = -1 EBADF (Bad file descriptor) [pid 3819] close(26) = -1 EBADF (Bad file descriptor) [pid 3819] close(27) = -1 EBADF (Bad file descriptor) [pid 3819] close(28) = -1 EBADF (Bad file descriptor) [pid 3819] close(29) = -1 EBADF (Bad file descriptor) [pid 3819] exit_group(0) = ? [pid 3819] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./213/binderfs") = 0 [pid 3605] umount2("./213/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./213/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./213/cgroup") = 0 [pid 3605] umount2("./213/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./213/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./213/cgroup.net") = 0 [pid 3605] umount2("./213/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./213/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./213/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./213") = 0 [pid 3605] mkdir("./214", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3820 attached [pid 3820] chdir("./214") = 0 [pid 3820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 216 [pid 3820] <... prctl resumed>) = 0 [pid 3820] setpgid(0, 0) = 0 [pid 3820] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3820] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3820] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3820] write(3, "1000", 4) = 4 [pid 3820] close(3) = 0 [pid 3820] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3820] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3820] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3820] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3820] openat(3, "freezer.state", O_RDWR) = 4 [pid 3820] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3820] close(3) = 0 [pid 3820] close(4) = 0 [pid 3820] close(5) = -1 EBADF (Bad file descriptor) [pid 3820] close(6) = -1 EBADF (Bad file descriptor) [pid 3820] close(7) = -1 EBADF (Bad file descriptor) [pid 3820] close(8) = -1 EBADF (Bad file descriptor) [pid 3820] close(9) = -1 EBADF (Bad file descriptor) [pid 3820] close(10) = -1 EBADF (Bad file descriptor) [pid 3820] close(11) = -1 EBADF (Bad file descriptor) [pid 3820] close(12) = -1 EBADF (Bad file descriptor) [pid 3820] close(13) = -1 EBADF (Bad file descriptor) [pid 3820] close(14) = -1 EBADF (Bad file descriptor) [pid 3820] close(15) = -1 EBADF (Bad file descriptor) [pid 3820] close(16) = -1 EBADF (Bad file descriptor) [pid 3820] close(17) = -1 EBADF (Bad file descriptor) [pid 3820] close(18) = -1 EBADF (Bad file descriptor) [pid 3820] close(19) = -1 EBADF (Bad file descriptor) [pid 3820] close(20) = -1 EBADF (Bad file descriptor) [pid 3820] close(21) = -1 EBADF (Bad file descriptor) [pid 3820] close(22) = -1 EBADF (Bad file descriptor) [pid 3820] close(23) = -1 EBADF (Bad file descriptor) [pid 3820] close(24) = -1 EBADF (Bad file descriptor) [pid 3820] close(25) = -1 EBADF (Bad file descriptor) [pid 3820] close(26) = -1 EBADF (Bad file descriptor) [pid 3820] close(27) = -1 EBADF (Bad file descriptor) [pid 3820] close(28) = -1 EBADF (Bad file descriptor) [pid 3820] close(29) = -1 EBADF (Bad file descriptor) [pid 3820] exit_group(0) = ? [pid 3820] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./214/binderfs") = 0 [pid 3605] umount2("./214/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./214/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./214/cgroup") = 0 [pid 3605] umount2("./214/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./214/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./214/cgroup.net") = 0 [pid 3605] umount2("./214/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./214/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./214/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./214") = 0 [pid 3605] mkdir("./215", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3821 attached [pid 3821] chdir("./215") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 217 [pid 3821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3821] setpgid(0, 0) = 0 [pid 3821] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3821] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3821] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3821] write(3, "1000", 4) = 4 [pid 3821] close(3) = 0 [pid 3821] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3821] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3821] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3821] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3821] openat(3, "freezer.state", O_RDWR) = 4 [pid 3821] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3821] close(3) = 0 [pid 3821] close(4) = 0 [pid 3821] close(5) = -1 EBADF (Bad file descriptor) [pid 3821] close(6) = -1 EBADF (Bad file descriptor) [pid 3821] close(7) = -1 EBADF (Bad file descriptor) [pid 3821] close(8) = -1 EBADF (Bad file descriptor) [pid 3821] close(9) = -1 EBADF (Bad file descriptor) [pid 3821] close(10) = -1 EBADF (Bad file descriptor) [pid 3821] close(11) = -1 EBADF (Bad file descriptor) [pid 3821] close(12) = -1 EBADF (Bad file descriptor) [pid 3821] close(13) = -1 EBADF (Bad file descriptor) [pid 3821] close(14) = -1 EBADF (Bad file descriptor) [pid 3821] close(15) = -1 EBADF (Bad file descriptor) [pid 3821] close(16) = -1 EBADF (Bad file descriptor) [pid 3821] close(17) = -1 EBADF (Bad file descriptor) [pid 3821] close(18) = -1 EBADF (Bad file descriptor) [pid 3821] close(19) = -1 EBADF (Bad file descriptor) [pid 3821] close(20) = -1 EBADF (Bad file descriptor) [pid 3821] close(21) = -1 EBADF (Bad file descriptor) [pid 3821] close(22) = -1 EBADF (Bad file descriptor) [pid 3821] close(23) = -1 EBADF (Bad file descriptor) [pid 3821] close(24) = -1 EBADF (Bad file descriptor) [pid 3821] close(25) = -1 EBADF (Bad file descriptor) [pid 3821] close(26) = -1 EBADF (Bad file descriptor) [pid 3821] close(27) = -1 EBADF (Bad file descriptor) [pid 3821] close(28) = -1 EBADF (Bad file descriptor) [pid 3821] close(29) = -1 EBADF (Bad file descriptor) [pid 3821] exit_group(0) = ? [pid 3821] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./215/binderfs") = 0 [pid 3605] umount2("./215/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./215/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./215/cgroup") = 0 [pid 3605] umount2("./215/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./215/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./215/cgroup.net") = 0 [pid 3605] umount2("./215/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./215/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./215/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./215") = 0 [pid 3605] mkdir("./216", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3822 attached [pid 3822] chdir("./216") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 218 [pid 3822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3822] setpgid(0, 0) = 0 [pid 3822] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3822] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3822] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3822] write(3, "1000", 4) = 4 [pid 3822] close(3) = 0 [pid 3822] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3822] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3822] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3822] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3822] openat(3, "freezer.state", O_RDWR) = 4 [pid 3822] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3822] close(3) = 0 [pid 3822] close(4) = 0 [pid 3822] close(5) = -1 EBADF (Bad file descriptor) [pid 3822] close(6) = -1 EBADF (Bad file descriptor) [pid 3822] close(7) = -1 EBADF (Bad file descriptor) [pid 3822] close(8) = -1 EBADF (Bad file descriptor) [pid 3822] close(9) = -1 EBADF (Bad file descriptor) [pid 3822] close(10) = -1 EBADF (Bad file descriptor) [pid 3822] close(11) = -1 EBADF (Bad file descriptor) [pid 3822] close(12) = -1 EBADF (Bad file descriptor) [pid 3822] close(13) = -1 EBADF (Bad file descriptor) [pid 3822] close(14) = -1 EBADF (Bad file descriptor) [pid 3822] close(15) = -1 EBADF (Bad file descriptor) [pid 3822] close(16) = -1 EBADF (Bad file descriptor) [pid 3822] close(17) = -1 EBADF (Bad file descriptor) [pid 3822] close(18) = -1 EBADF (Bad file descriptor) [pid 3822] close(19) = -1 EBADF (Bad file descriptor) [pid 3822] close(20) = -1 EBADF (Bad file descriptor) [pid 3822] close(21) = -1 EBADF (Bad file descriptor) [pid 3822] close(22) = -1 EBADF (Bad file descriptor) [pid 3822] close(23) = -1 EBADF (Bad file descriptor) [pid 3822] close(24) = -1 EBADF (Bad file descriptor) [pid 3822] close(25) = -1 EBADF (Bad file descriptor) [pid 3822] close(26) = -1 EBADF (Bad file descriptor) [pid 3822] close(27) = -1 EBADF (Bad file descriptor) [pid 3822] close(28) = -1 EBADF (Bad file descriptor) [pid 3822] close(29) = -1 EBADF (Bad file descriptor) [pid 3822] exit_group(0) = ? [pid 3822] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./216/binderfs") = 0 [pid 3605] umount2("./216/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./216/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./216/cgroup") = 0 [pid 3605] umount2("./216/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./216/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./216/cgroup.net") = 0 [pid 3605] umount2("./216/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./216/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./216/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./216") = 0 [pid 3605] mkdir("./217", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3823 attached [pid 3823] chdir("./217" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 219 [pid 3823] <... chdir resumed>) = 0 [pid 3823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3823] setpgid(0, 0) = 0 [pid 3823] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3823] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3823] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3823] write(3, "1000", 4) = 4 [pid 3823] close(3) = 0 [pid 3823] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3823] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3823] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3823] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3823] openat(3, "freezer.state", O_RDWR) = 4 [pid 3823] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3823] close(3) = 0 [pid 3823] close(4) = 0 [pid 3823] close(5) = -1 EBADF (Bad file descriptor) [pid 3823] close(6) = -1 EBADF (Bad file descriptor) [pid 3823] close(7) = -1 EBADF (Bad file descriptor) [pid 3823] close(8) = -1 EBADF (Bad file descriptor) [pid 3823] close(9) = -1 EBADF (Bad file descriptor) [pid 3823] close(10) = -1 EBADF (Bad file descriptor) [pid 3823] close(11) = -1 EBADF (Bad file descriptor) [pid 3823] close(12) = -1 EBADF (Bad file descriptor) [pid 3823] close(13) = -1 EBADF (Bad file descriptor) [pid 3823] close(14) = -1 EBADF (Bad file descriptor) [pid 3823] close(15) = -1 EBADF (Bad file descriptor) [pid 3823] close(16) = -1 EBADF (Bad file descriptor) [pid 3823] close(17) = -1 EBADF (Bad file descriptor) [pid 3823] close(18) = -1 EBADF (Bad file descriptor) [pid 3823] close(19) = -1 EBADF (Bad file descriptor) [pid 3823] close(20) = -1 EBADF (Bad file descriptor) [pid 3823] close(21) = -1 EBADF (Bad file descriptor) [pid 3823] close(22) = -1 EBADF (Bad file descriptor) [pid 3823] close(23) = -1 EBADF (Bad file descriptor) [pid 3823] close(24) = -1 EBADF (Bad file descriptor) [pid 3823] close(25) = -1 EBADF (Bad file descriptor) [pid 3823] close(26) = -1 EBADF (Bad file descriptor) [pid 3823] close(27) = -1 EBADF (Bad file descriptor) [pid 3823] close(28) = -1 EBADF (Bad file descriptor) [pid 3823] close(29) = -1 EBADF (Bad file descriptor) [pid 3823] exit_group(0) = ? [pid 3823] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./217/binderfs") = 0 [pid 3605] umount2("./217/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./217/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./217/cgroup") = 0 [pid 3605] umount2("./217/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./217/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./217/cgroup.net") = 0 [pid 3605] umount2("./217/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./217/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./217/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./217") = 0 [pid 3605] mkdir("./218", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3824 attached , child_tidptr=0x555556c0f5d0) = 220 [pid 3824] chdir("./218") = 0 [pid 3824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3824] setpgid(0, 0) = 0 [pid 3824] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3824] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3824] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3824] write(3, "1000", 4) = 4 [pid 3824] close(3) = 0 [pid 3824] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3824] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3824] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3824] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3824] openat(3, "freezer.state", O_RDWR) = 4 [pid 3824] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3824] close(3) = 0 [pid 3824] close(4) = 0 [pid 3824] close(5) = -1 EBADF (Bad file descriptor) [pid 3824] close(6) = -1 EBADF (Bad file descriptor) [pid 3824] close(7) = -1 EBADF (Bad file descriptor) [pid 3824] close(8) = -1 EBADF (Bad file descriptor) [pid 3824] close(9) = -1 EBADF (Bad file descriptor) [pid 3824] close(10) = -1 EBADF (Bad file descriptor) [pid 3824] close(11) = -1 EBADF (Bad file descriptor) [pid 3824] close(12) = -1 EBADF (Bad file descriptor) [pid 3824] close(13) = -1 EBADF (Bad file descriptor) [pid 3824] close(14) = -1 EBADF (Bad file descriptor) [pid 3824] close(15) = -1 EBADF (Bad file descriptor) [pid 3824] close(16) = -1 EBADF (Bad file descriptor) [pid 3824] close(17) = -1 EBADF (Bad file descriptor) [pid 3824] close(18) = -1 EBADF (Bad file descriptor) [pid 3824] close(19) = -1 EBADF (Bad file descriptor) [pid 3824] close(20) = -1 EBADF (Bad file descriptor) [pid 3824] close(21) = -1 EBADF (Bad file descriptor) [pid 3824] close(22) = -1 EBADF (Bad file descriptor) [pid 3824] close(23) = -1 EBADF (Bad file descriptor) [pid 3824] close(24) = -1 EBADF (Bad file descriptor) [pid 3824] close(25) = -1 EBADF (Bad file descriptor) [pid 3824] close(26) = -1 EBADF (Bad file descriptor) [pid 3824] close(27) = -1 EBADF (Bad file descriptor) [pid 3824] close(28) = -1 EBADF (Bad file descriptor) [pid 3824] close(29) = -1 EBADF (Bad file descriptor) [pid 3824] exit_group(0) = ? [pid 3824] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./218/binderfs") = 0 [pid 3605] umount2("./218/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./218/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./218/cgroup") = 0 [pid 3605] umount2("./218/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./218/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./218/cgroup.net") = 0 [pid 3605] umount2("./218/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./218/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./218/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./218") = 0 [pid 3605] mkdir("./219", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3825 attached , child_tidptr=0x555556c0f5d0) = 221 [pid 3825] chdir("./219") = 0 [pid 3825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3825] setpgid(0, 0) = 0 [pid 3825] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3825] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3825] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3825] write(3, "1000", 4) = 4 [pid 3825] close(3) = 0 [pid 3825] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3825] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3825] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3825] openat(3, "freezer.state", O_RDWR) = 4 [pid 3825] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3825] close(3) = 0 [pid 3825] close(4) = 0 [pid 3825] close(5) = -1 EBADF (Bad file descriptor) [pid 3825] close(6) = -1 EBADF (Bad file descriptor) [pid 3825] close(7) = -1 EBADF (Bad file descriptor) [pid 3825] close(8) = -1 EBADF (Bad file descriptor) [pid 3825] close(9) = -1 EBADF (Bad file descriptor) [pid 3825] close(10) = -1 EBADF (Bad file descriptor) [pid 3825] close(11) = -1 EBADF (Bad file descriptor) [pid 3825] close(12) = -1 EBADF (Bad file descriptor) [pid 3825] close(13) = -1 EBADF (Bad file descriptor) [pid 3825] close(14) = -1 EBADF (Bad file descriptor) [pid 3825] close(15) = -1 EBADF (Bad file descriptor) [pid 3825] close(16) = -1 EBADF (Bad file descriptor) [pid 3825] close(17) = -1 EBADF (Bad file descriptor) [pid 3825] close(18) = -1 EBADF (Bad file descriptor) [pid 3825] close(19) = -1 EBADF (Bad file descriptor) [pid 3825] close(20) = -1 EBADF (Bad file descriptor) [pid 3825] close(21) = -1 EBADF (Bad file descriptor) [pid 3825] close(22) = -1 EBADF (Bad file descriptor) [pid 3825] close(23) = -1 EBADF (Bad file descriptor) [pid 3825] close(24) = -1 EBADF (Bad file descriptor) [pid 3825] close(25) = -1 EBADF (Bad file descriptor) [pid 3825] close(26) = -1 EBADF (Bad file descriptor) [pid 3825] close(27) = -1 EBADF (Bad file descriptor) [pid 3825] close(28) = -1 EBADF (Bad file descriptor) [pid 3825] close(29) = -1 EBADF (Bad file descriptor) [pid 3825] exit_group(0) = ? [pid 3825] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./219/binderfs") = 0 [pid 3605] umount2("./219/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./219/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./219/cgroup") = 0 [pid 3605] umount2("./219/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./219/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./219/cgroup.net") = 0 [pid 3605] umount2("./219/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./219/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./219/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./219") = 0 [pid 3605] mkdir("./220", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3826 attached , child_tidptr=0x555556c0f5d0) = 222 [pid 3826] chdir("./220") = 0 [pid 3826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3826] setpgid(0, 0) = 0 [pid 3826] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3826] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3826] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3826] write(3, "1000", 4) = 4 [pid 3826] close(3) = 0 [pid 3826] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3826] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3826] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3826] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3826] openat(3, "freezer.state", O_RDWR) = 4 [pid 3826] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3826] close(3) = 0 [pid 3826] close(4) = 0 [pid 3826] close(5) = -1 EBADF (Bad file descriptor) [pid 3826] close(6) = -1 EBADF (Bad file descriptor) [pid 3826] close(7) = -1 EBADF (Bad file descriptor) [pid 3826] close(8) = -1 EBADF (Bad file descriptor) [pid 3826] close(9) = -1 EBADF (Bad file descriptor) [pid 3826] close(10) = -1 EBADF (Bad file descriptor) [pid 3826] close(11) = -1 EBADF (Bad file descriptor) [pid 3826] close(12) = -1 EBADF (Bad file descriptor) [pid 3826] close(13) = -1 EBADF (Bad file descriptor) [pid 3826] close(14) = -1 EBADF (Bad file descriptor) [pid 3826] close(15) = -1 EBADF (Bad file descriptor) [pid 3826] close(16) = -1 EBADF (Bad file descriptor) [pid 3826] close(17) = -1 EBADF (Bad file descriptor) [pid 3826] close(18) = -1 EBADF (Bad file descriptor) [pid 3826] close(19) = -1 EBADF (Bad file descriptor) [pid 3826] close(20) = -1 EBADF (Bad file descriptor) [pid 3826] close(21) = -1 EBADF (Bad file descriptor) [pid 3826] close(22) = -1 EBADF (Bad file descriptor) [pid 3826] close(23) = -1 EBADF (Bad file descriptor) [pid 3826] close(24) = -1 EBADF (Bad file descriptor) [pid 3826] close(25) = -1 EBADF (Bad file descriptor) [pid 3826] close(26) = -1 EBADF (Bad file descriptor) [pid 3826] close(27) = -1 EBADF (Bad file descriptor) [pid 3826] close(28) = -1 EBADF (Bad file descriptor) [pid 3826] close(29) = -1 EBADF (Bad file descriptor) [pid 3826] exit_group(0) = ? [pid 3826] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./220/binderfs") = 0 [pid 3605] umount2("./220/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./220/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./220/cgroup") = 0 [pid 3605] umount2("./220/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./220/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./220/cgroup.net") = 0 [pid 3605] umount2("./220/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./220/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./220/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./220") = 0 [pid 3605] mkdir("./221", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3827 attached , child_tidptr=0x555556c0f5d0) = 223 [pid 3827] chdir("./221") = 0 [pid 3827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3827] setpgid(0, 0) = 0 [pid 3827] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3827] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3827] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3827] write(3, "1000", 4) = 4 [pid 3827] close(3) = 0 [pid 3827] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3827] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3827] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3827] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3827] openat(3, "freezer.state", O_RDWR) = 4 [pid 3827] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3827] close(3) = 0 [pid 3827] close(4) = 0 [pid 3827] close(5) = -1 EBADF (Bad file descriptor) [pid 3827] close(6) = -1 EBADF (Bad file descriptor) [pid 3827] close(7) = -1 EBADF (Bad file descriptor) [pid 3827] close(8) = -1 EBADF (Bad file descriptor) [pid 3827] close(9) = -1 EBADF (Bad file descriptor) [pid 3827] close(10) = -1 EBADF (Bad file descriptor) [pid 3827] close(11) = -1 EBADF (Bad file descriptor) [pid 3827] close(12) = -1 EBADF (Bad file descriptor) [pid 3827] close(13) = -1 EBADF (Bad file descriptor) [pid 3827] close(14) = -1 EBADF (Bad file descriptor) [pid 3827] close(15) = -1 EBADF (Bad file descriptor) [pid 3827] close(16) = -1 EBADF (Bad file descriptor) [pid 3827] close(17) = -1 EBADF (Bad file descriptor) [pid 3827] close(18) = -1 EBADF (Bad file descriptor) [pid 3827] close(19) = -1 EBADF (Bad file descriptor) [pid 3827] close(20) = -1 EBADF (Bad file descriptor) [pid 3827] close(21) = -1 EBADF (Bad file descriptor) [pid 3827] close(22) = -1 EBADF (Bad file descriptor) [pid 3827] close(23) = -1 EBADF (Bad file descriptor) [pid 3827] close(24) = -1 EBADF (Bad file descriptor) [pid 3827] close(25) = -1 EBADF (Bad file descriptor) [pid 3827] close(26) = -1 EBADF (Bad file descriptor) [pid 3827] close(27) = -1 EBADF (Bad file descriptor) [pid 3827] close(28) = -1 EBADF (Bad file descriptor) [pid 3827] close(29) = -1 EBADF (Bad file descriptor) [pid 3827] exit_group(0) = ? [pid 3827] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./221/binderfs") = 0 [pid 3605] umount2("./221/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./221/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./221/cgroup") = 0 [pid 3605] umount2("./221/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./221/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./221/cgroup.net") = 0 [pid 3605] umount2("./221/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./221/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./221/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./221") = 0 [pid 3605] mkdir("./222", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3828 attached , child_tidptr=0x555556c0f5d0) = 224 [pid 3828] chdir("./222") = 0 [pid 3828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3828] setpgid(0, 0) = 0 [pid 3828] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3828] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3828] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3828] write(3, "1000", 4) = 4 [pid 3828] close(3) = 0 [pid 3828] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3828] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3828] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3828] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3828] openat(3, "freezer.state", O_RDWR) = 4 [pid 3828] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3828] close(3) = 0 [pid 3828] close(4) = 0 [pid 3828] close(5) = -1 EBADF (Bad file descriptor) [pid 3828] close(6) = -1 EBADF (Bad file descriptor) [pid 3828] close(7) = -1 EBADF (Bad file descriptor) [pid 3828] close(8) = -1 EBADF (Bad file descriptor) [pid 3828] close(9) = -1 EBADF (Bad file descriptor) [pid 3828] close(10) = -1 EBADF (Bad file descriptor) [pid 3828] close(11) = -1 EBADF (Bad file descriptor) [pid 3828] close(12) = -1 EBADF (Bad file descriptor) [pid 3828] close(13) = -1 EBADF (Bad file descriptor) [pid 3828] close(14) = -1 EBADF (Bad file descriptor) [pid 3828] close(15) = -1 EBADF (Bad file descriptor) [pid 3828] close(16) = -1 EBADF (Bad file descriptor) [pid 3828] close(17) = -1 EBADF (Bad file descriptor) [pid 3828] close(18) = -1 EBADF (Bad file descriptor) [pid 3828] close(19) = -1 EBADF (Bad file descriptor) [pid 3828] close(20) = -1 EBADF (Bad file descriptor) [pid 3828] close(21) = -1 EBADF (Bad file descriptor) [pid 3828] close(22) = -1 EBADF (Bad file descriptor) [pid 3828] close(23) = -1 EBADF (Bad file descriptor) [pid 3828] close(24) = -1 EBADF (Bad file descriptor) [pid 3828] close(25) = -1 EBADF (Bad file descriptor) [pid 3828] close(26) = -1 EBADF (Bad file descriptor) [pid 3828] close(27) = -1 EBADF (Bad file descriptor) [pid 3828] close(28) = -1 EBADF (Bad file descriptor) [pid 3828] close(29) = -1 EBADF (Bad file descriptor) [pid 3828] exit_group(0) = ? [pid 3828] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./222/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./222/binderfs") = 0 [pid 3605] umount2("./222/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./222/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./222/cgroup") = 0 [pid 3605] umount2("./222/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./222/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./222/cgroup.net") = 0 [pid 3605] umount2("./222/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./222/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./222/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./222") = 0 [pid 3605] mkdir("./223", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3829 attached , child_tidptr=0x555556c0f5d0) = 225 [pid 3829] chdir("./223") = 0 [pid 3829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3829] setpgid(0, 0) = 0 [pid 3829] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3829] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3829] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3829] write(3, "1000", 4) = 4 [pid 3829] close(3) = 0 [pid 3829] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3829] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3829] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3829] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3829] openat(3, "freezer.state", O_RDWR) = 4 [pid 3829] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3829] close(3) = 0 [pid 3829] close(4) = 0 [pid 3829] close(5) = -1 EBADF (Bad file descriptor) [pid 3829] close(6) = -1 EBADF (Bad file descriptor) [pid 3829] close(7) = -1 EBADF (Bad file descriptor) [pid 3829] close(8) = -1 EBADF (Bad file descriptor) [pid 3829] close(9) = -1 EBADF (Bad file descriptor) [pid 3829] close(10) = -1 EBADF (Bad file descriptor) [pid 3829] close(11) = -1 EBADF (Bad file descriptor) [pid 3829] close(12) = -1 EBADF (Bad file descriptor) [pid 3829] close(13) = -1 EBADF (Bad file descriptor) [pid 3829] close(14) = -1 EBADF (Bad file descriptor) [pid 3829] close(15) = -1 EBADF (Bad file descriptor) [pid 3829] close(16) = -1 EBADF (Bad file descriptor) [pid 3829] close(17) = -1 EBADF (Bad file descriptor) [pid 3829] close(18) = -1 EBADF (Bad file descriptor) [pid 3829] close(19) = -1 EBADF (Bad file descriptor) [pid 3829] close(20) = -1 EBADF (Bad file descriptor) [pid 3829] close(21) = -1 EBADF (Bad file descriptor) [pid 3829] close(22) = -1 EBADF (Bad file descriptor) [pid 3829] close(23) = -1 EBADF (Bad file descriptor) [pid 3829] close(24) = -1 EBADF (Bad file descriptor) [pid 3829] close(25) = -1 EBADF (Bad file descriptor) [pid 3829] close(26) = -1 EBADF (Bad file descriptor) [pid 3829] close(27) = -1 EBADF (Bad file descriptor) [pid 3829] close(28) = -1 EBADF (Bad file descriptor) [pid 3829] close(29) = -1 EBADF (Bad file descriptor) [pid 3829] exit_group(0) = ? [pid 3829] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./223/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./223/binderfs") = 0 [pid 3605] umount2("./223/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./223/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./223/cgroup") = 0 [pid 3605] umount2("./223/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./223/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./223/cgroup.net") = 0 [pid 3605] umount2("./223/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./223/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./223/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./223") = 0 [pid 3605] mkdir("./224", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3830 attached , child_tidptr=0x555556c0f5d0) = 226 [pid 3830] chdir("./224") = 0 [pid 3830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3830] setpgid(0, 0) = 0 [pid 3830] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3830] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3830] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3830] write(3, "1000", 4) = 4 [pid 3830] close(3) = 0 [pid 3830] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3830] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3830] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3830] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3830] openat(3, "freezer.state", O_RDWR) = 4 [pid 3830] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3830] close(3) = 0 [pid 3830] close(4) = 0 [pid 3830] close(5) = -1 EBADF (Bad file descriptor) [pid 3830] close(6) = -1 EBADF (Bad file descriptor) [pid 3830] close(7) = -1 EBADF (Bad file descriptor) [pid 3830] close(8) = -1 EBADF (Bad file descriptor) [pid 3830] close(9) = -1 EBADF (Bad file descriptor) [pid 3830] close(10) = -1 EBADF (Bad file descriptor) [pid 3830] close(11) = -1 EBADF (Bad file descriptor) [pid 3830] close(12) = -1 EBADF (Bad file descriptor) [pid 3830] close(13) = -1 EBADF (Bad file descriptor) [pid 3830] close(14) = -1 EBADF (Bad file descriptor) [pid 3830] close(15) = -1 EBADF (Bad file descriptor) [pid 3830] close(16) = -1 EBADF (Bad file descriptor) [pid 3830] close(17) = -1 EBADF (Bad file descriptor) [pid 3830] close(18) = -1 EBADF (Bad file descriptor) [pid 3830] close(19) = -1 EBADF (Bad file descriptor) [pid 3830] close(20) = -1 EBADF (Bad file descriptor) [pid 3830] close(21) = -1 EBADF (Bad file descriptor) [pid 3830] close(22) = -1 EBADF (Bad file descriptor) [pid 3830] close(23) = -1 EBADF (Bad file descriptor) [pid 3830] close(24) = -1 EBADF (Bad file descriptor) [pid 3830] close(25) = -1 EBADF (Bad file descriptor) [pid 3830] close(26) = -1 EBADF (Bad file descriptor) [pid 3830] close(27) = -1 EBADF (Bad file descriptor) [pid 3830] close(28) = -1 EBADF (Bad file descriptor) [pid 3830] close(29) = -1 EBADF (Bad file descriptor) [pid 3830] exit_group(0) = ? [pid 3830] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./224/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./224/binderfs") = 0 [pid 3605] umount2("./224/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./224/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./224/cgroup") = 0 [pid 3605] umount2("./224/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./224/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./224/cgroup.net") = 0 [pid 3605] umount2("./224/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./224/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./224/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./224") = 0 [pid 3605] mkdir("./225", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3831 attached , child_tidptr=0x555556c0f5d0) = 227 [pid 3831] chdir("./225") = 0 [pid 3831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3831] setpgid(0, 0) = 0 [pid 3831] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3831] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3831] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3831] write(3, "1000", 4) = 4 [pid 3831] close(3) = 0 [pid 3831] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3831] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3831] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3831] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3831] openat(3, "freezer.state", O_RDWR) = 4 [pid 3831] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3831] close(3) = 0 [pid 3831] close(4) = 0 [pid 3831] close(5) = -1 EBADF (Bad file descriptor) [pid 3831] close(6) = -1 EBADF (Bad file descriptor) [pid 3831] close(7) = -1 EBADF (Bad file descriptor) [pid 3831] close(8) = -1 EBADF (Bad file descriptor) [pid 3831] close(9) = -1 EBADF (Bad file descriptor) [pid 3831] close(10) = -1 EBADF (Bad file descriptor) [pid 3831] close(11) = -1 EBADF (Bad file descriptor) [pid 3831] close(12) = -1 EBADF (Bad file descriptor) [pid 3831] close(13) = -1 EBADF (Bad file descriptor) [pid 3831] close(14) = -1 EBADF (Bad file descriptor) [pid 3831] close(15) = -1 EBADF (Bad file descriptor) [pid 3831] close(16) = -1 EBADF (Bad file descriptor) [pid 3831] close(17) = -1 EBADF (Bad file descriptor) [pid 3831] close(18) = -1 EBADF (Bad file descriptor) [pid 3831] close(19) = -1 EBADF (Bad file descriptor) [pid 3831] close(20) = -1 EBADF (Bad file descriptor) [pid 3831] close(21) = -1 EBADF (Bad file descriptor) [pid 3831] close(22) = -1 EBADF (Bad file descriptor) [pid 3831] close(23) = -1 EBADF (Bad file descriptor) [pid 3831] close(24) = -1 EBADF (Bad file descriptor) [pid 3831] close(25) = -1 EBADF (Bad file descriptor) [pid 3831] close(26) = -1 EBADF (Bad file descriptor) [pid 3831] close(27) = -1 EBADF (Bad file descriptor) [pid 3831] close(28) = -1 EBADF (Bad file descriptor) [pid 3831] close(29) = -1 EBADF (Bad file descriptor) [pid 3831] exit_group(0) = ? [pid 3831] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./225/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./225/binderfs") = 0 [pid 3605] umount2("./225/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./225/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./225/cgroup") = 0 [pid 3605] umount2("./225/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./225/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./225/cgroup.net") = 0 [pid 3605] umount2("./225/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./225/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./225/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./225") = 0 [pid 3605] mkdir("./226", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3832 attached [pid 3832] chdir("./226") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 228 [pid 3832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3832] setpgid(0, 0) = 0 [pid 3832] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3832] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3832] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3832] write(3, "1000", 4) = 4 [pid 3832] close(3) = 0 [pid 3832] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3832] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3832] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3832] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3832] openat(3, "freezer.state", O_RDWR) = 4 [pid 3832] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3832] close(3) = 0 [pid 3832] close(4) = 0 [pid 3832] close(5) = -1 EBADF (Bad file descriptor) [pid 3832] close(6) = -1 EBADF (Bad file descriptor) [pid 3832] close(7) = -1 EBADF (Bad file descriptor) [pid 3832] close(8) = -1 EBADF (Bad file descriptor) [pid 3832] close(9) = -1 EBADF (Bad file descriptor) [pid 3832] close(10) = -1 EBADF (Bad file descriptor) [pid 3832] close(11) = -1 EBADF (Bad file descriptor) [pid 3832] close(12) = -1 EBADF (Bad file descriptor) [pid 3832] close(13) = -1 EBADF (Bad file descriptor) [pid 3832] close(14) = -1 EBADF (Bad file descriptor) [pid 3832] close(15) = -1 EBADF (Bad file descriptor) [pid 3832] close(16) = -1 EBADF (Bad file descriptor) [pid 3832] close(17) = -1 EBADF (Bad file descriptor) [pid 3832] close(18) = -1 EBADF (Bad file descriptor) [pid 3832] close(19) = -1 EBADF (Bad file descriptor) [pid 3832] close(20) = -1 EBADF (Bad file descriptor) [pid 3832] close(21) = -1 EBADF (Bad file descriptor) [pid 3832] close(22) = -1 EBADF (Bad file descriptor) [pid 3832] close(23) = -1 EBADF (Bad file descriptor) [pid 3832] close(24) = -1 EBADF (Bad file descriptor) [pid 3832] close(25) = -1 EBADF (Bad file descriptor) [pid 3832] close(26) = -1 EBADF (Bad file descriptor) [pid 3832] close(27) = -1 EBADF (Bad file descriptor) [pid 3832] close(28) = -1 EBADF (Bad file descriptor) [pid 3832] close(29) = -1 EBADF (Bad file descriptor) [pid 3832] exit_group(0) = ? [pid 3832] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./226/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./226/binderfs") = 0 [pid 3605] umount2("./226/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./226/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./226/cgroup") = 0 [pid 3605] umount2("./226/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./226/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./226/cgroup.net") = 0 [pid 3605] umount2("./226/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./226/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./226/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./226") = 0 [pid 3605] mkdir("./227", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3833 attached , child_tidptr=0x555556c0f5d0) = 229 [pid 3833] chdir("./227") = 0 [pid 3833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3833] setpgid(0, 0) = 0 [pid 3833] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3833] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3833] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3833] write(3, "1000", 4) = 4 [pid 3833] close(3) = 0 [pid 3833] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3833] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3833] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3833] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3833] openat(3, "freezer.state", O_RDWR) = 4 [pid 3833] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3833] close(3) = 0 [pid 3833] close(4) = 0 [pid 3833] close(5) = -1 EBADF (Bad file descriptor) [pid 3833] close(6) = -1 EBADF (Bad file descriptor) [pid 3833] close(7) = -1 EBADF (Bad file descriptor) [pid 3833] close(8) = -1 EBADF (Bad file descriptor) [pid 3833] close(9) = -1 EBADF (Bad file descriptor) [pid 3833] close(10) = -1 EBADF (Bad file descriptor) [pid 3833] close(11) = -1 EBADF (Bad file descriptor) [pid 3833] close(12) = -1 EBADF (Bad file descriptor) [pid 3833] close(13) = -1 EBADF (Bad file descriptor) [pid 3833] close(14) = -1 EBADF (Bad file descriptor) [pid 3833] close(15) = -1 EBADF (Bad file descriptor) [pid 3833] close(16) = -1 EBADF (Bad file descriptor) [pid 3833] close(17) = -1 EBADF (Bad file descriptor) [pid 3833] close(18) = -1 EBADF (Bad file descriptor) [pid 3833] close(19) = -1 EBADF (Bad file descriptor) [pid 3833] close(20) = -1 EBADF (Bad file descriptor) [pid 3833] close(21) = -1 EBADF (Bad file descriptor) [pid 3833] close(22) = -1 EBADF (Bad file descriptor) [pid 3833] close(23) = -1 EBADF (Bad file descriptor) [pid 3833] close(24) = -1 EBADF (Bad file descriptor) [pid 3833] close(25) = -1 EBADF (Bad file descriptor) [pid 3833] close(26) = -1 EBADF (Bad file descriptor) [pid 3833] close(27) = -1 EBADF (Bad file descriptor) [pid 3833] close(28) = -1 EBADF (Bad file descriptor) [pid 3833] close(29) = -1 EBADF (Bad file descriptor) [pid 3833] exit_group(0) = ? [pid 3833] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./227/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./227/binderfs") = 0 [pid 3605] umount2("./227/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./227/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./227/cgroup") = 0 [pid 3605] umount2("./227/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./227/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./227/cgroup.net") = 0 [pid 3605] umount2("./227/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./227/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./227/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./227") = 0 [pid 3605] mkdir("./228", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3834 attached , child_tidptr=0x555556c0f5d0) = 230 [pid 3834] chdir("./228") = 0 [pid 3834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3834] setpgid(0, 0) = 0 [pid 3834] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3834] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3834] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3834] write(3, "1000", 4) = 4 [pid 3834] close(3) = 0 [pid 3834] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3834] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3834] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3834] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3834] openat(3, "freezer.state", O_RDWR) = 4 [pid 3834] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3834] close(3) = 0 [pid 3834] close(4) = 0 [pid 3834] close(5) = -1 EBADF (Bad file descriptor) [pid 3834] close(6) = -1 EBADF (Bad file descriptor) [pid 3834] close(7) = -1 EBADF (Bad file descriptor) [pid 3834] close(8) = -1 EBADF (Bad file descriptor) [pid 3834] close(9) = -1 EBADF (Bad file descriptor) [pid 3834] close(10) = -1 EBADF (Bad file descriptor) [pid 3834] close(11) = -1 EBADF (Bad file descriptor) [pid 3834] close(12) = -1 EBADF (Bad file descriptor) [pid 3834] close(13) = -1 EBADF (Bad file descriptor) [pid 3834] close(14) = -1 EBADF (Bad file descriptor) [pid 3834] close(15) = -1 EBADF (Bad file descriptor) [pid 3834] close(16) = -1 EBADF (Bad file descriptor) [pid 3834] close(17) = -1 EBADF (Bad file descriptor) [pid 3834] close(18) = -1 EBADF (Bad file descriptor) [pid 3834] close(19) = -1 EBADF (Bad file descriptor) [pid 3834] close(20) = -1 EBADF (Bad file descriptor) [pid 3834] close(21) = -1 EBADF (Bad file descriptor) [pid 3834] close(22) = -1 EBADF (Bad file descriptor) [pid 3834] close(23) = -1 EBADF (Bad file descriptor) [pid 3834] close(24) = -1 EBADF (Bad file descriptor) [pid 3834] close(25) = -1 EBADF (Bad file descriptor) [pid 3834] close(26) = -1 EBADF (Bad file descriptor) [pid 3834] close(27) = -1 EBADF (Bad file descriptor) [pid 3834] close(28) = -1 EBADF (Bad file descriptor) [pid 3834] close(29) = -1 EBADF (Bad file descriptor) [pid 3834] exit_group(0) = ? [pid 3834] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./228/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./228/binderfs") = 0 [pid 3605] umount2("./228/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./228/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./228/cgroup") = 0 [pid 3605] umount2("./228/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./228/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./228/cgroup.net") = 0 [pid 3605] umount2("./228/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./228/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./228/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./228") = 0 [pid 3605] mkdir("./229", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 231 ./strace-static-x86_64: Process 3835 attached [pid 3835] chdir("./229") = 0 [pid 3835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3835] setpgid(0, 0) = 0 [pid 3835] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3835] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3835] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3835] write(3, "1000", 4) = 4 [pid 3835] close(3) = 0 [pid 3835] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3835] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3835] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3835] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3835] openat(3, "freezer.state", O_RDWR) = 4 [pid 3835] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3835] close(3) = 0 [pid 3835] close(4) = 0 [pid 3835] close(5) = -1 EBADF (Bad file descriptor) [pid 3835] close(6) = -1 EBADF (Bad file descriptor) [pid 3835] close(7) = -1 EBADF (Bad file descriptor) [pid 3835] close(8) = -1 EBADF (Bad file descriptor) [pid 3835] close(9) = -1 EBADF (Bad file descriptor) [pid 3835] close(10) = -1 EBADF (Bad file descriptor) [pid 3835] close(11) = -1 EBADF (Bad file descriptor) [pid 3835] close(12) = -1 EBADF (Bad file descriptor) [pid 3835] close(13) = -1 EBADF (Bad file descriptor) [pid 3835] close(14) = -1 EBADF (Bad file descriptor) [pid 3835] close(15) = -1 EBADF (Bad file descriptor) [pid 3835] close(16) = -1 EBADF (Bad file descriptor) [pid 3835] close(17) = -1 EBADF (Bad file descriptor) [pid 3835] close(18) = -1 EBADF (Bad file descriptor) [pid 3835] close(19) = -1 EBADF (Bad file descriptor) [pid 3835] close(20) = -1 EBADF (Bad file descriptor) [pid 3835] close(21) = -1 EBADF (Bad file descriptor) [pid 3835] close(22) = -1 EBADF (Bad file descriptor) [pid 3835] close(23) = -1 EBADF (Bad file descriptor) [pid 3835] close(24) = -1 EBADF (Bad file descriptor) [pid 3835] close(25) = -1 EBADF (Bad file descriptor) [pid 3835] close(26) = -1 EBADF (Bad file descriptor) [pid 3835] close(27) = -1 EBADF (Bad file descriptor) [pid 3835] close(28) = -1 EBADF (Bad file descriptor) [pid 3835] close(29) = -1 EBADF (Bad file descriptor) [pid 3835] exit_group(0) = ? [pid 3835] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./229/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./229/binderfs") = 0 [pid 3605] umount2("./229/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./229/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./229/cgroup") = 0 [pid 3605] umount2("./229/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./229/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./229/cgroup.net") = 0 [pid 3605] umount2("./229/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./229/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./229/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./229") = 0 [pid 3605] mkdir("./230", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3836 attached , child_tidptr=0x555556c0f5d0) = 232 [pid 3836] chdir("./230") = 0 [pid 3836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3836] setpgid(0, 0) = 0 [pid 3836] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3836] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3836] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3836] write(3, "1000", 4) = 4 [pid 3836] close(3) = 0 [pid 3836] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3836] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3836] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3836] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3836] openat(3, "freezer.state", O_RDWR) = 4 [pid 3836] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3836] close(3) = 0 [pid 3836] close(4) = 0 [pid 3836] close(5) = -1 EBADF (Bad file descriptor) [pid 3836] close(6) = -1 EBADF (Bad file descriptor) [pid 3836] close(7) = -1 EBADF (Bad file descriptor) [pid 3836] close(8) = -1 EBADF (Bad file descriptor) [pid 3836] close(9) = -1 EBADF (Bad file descriptor) [pid 3836] close(10) = -1 EBADF (Bad file descriptor) [pid 3836] close(11) = -1 EBADF (Bad file descriptor) [pid 3836] close(12) = -1 EBADF (Bad file descriptor) [pid 3836] close(13) = -1 EBADF (Bad file descriptor) [pid 3836] close(14) = -1 EBADF (Bad file descriptor) [pid 3836] close(15) = -1 EBADF (Bad file descriptor) [pid 3836] close(16) = -1 EBADF (Bad file descriptor) [pid 3836] close(17) = -1 EBADF (Bad file descriptor) [pid 3836] close(18) = -1 EBADF (Bad file descriptor) [pid 3836] close(19) = -1 EBADF (Bad file descriptor) [pid 3836] close(20) = -1 EBADF (Bad file descriptor) [pid 3836] close(21) = -1 EBADF (Bad file descriptor) [pid 3836] close(22) = -1 EBADF (Bad file descriptor) [pid 3836] close(23) = -1 EBADF (Bad file descriptor) [pid 3836] close(24) = -1 EBADF (Bad file descriptor) [pid 3836] close(25) = -1 EBADF (Bad file descriptor) [pid 3836] close(26) = -1 EBADF (Bad file descriptor) [pid 3836] close(27) = -1 EBADF (Bad file descriptor) [pid 3836] close(28) = -1 EBADF (Bad file descriptor) [pid 3836] close(29) = -1 EBADF (Bad file descriptor) [pid 3836] exit_group(0) = ? [pid 3836] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./230", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./230/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./230/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./230/binderfs") = 0 [pid 3605] umount2("./230/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./230/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./230/cgroup") = 0 [pid 3605] umount2("./230/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./230/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./230/cgroup.net") = 0 [pid 3605] umount2("./230/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./230/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./230/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./230") = 0 [pid 3605] mkdir("./231", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3837 attached , child_tidptr=0x555556c0f5d0) = 233 [pid 3837] chdir("./231") = 0 [pid 3837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3837] setpgid(0, 0) = 0 [pid 3837] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3837] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3837] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3837] write(3, "1000", 4) = 4 [pid 3837] close(3) = 0 [pid 3837] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3837] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3837] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3837] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3837] openat(3, "freezer.state", O_RDWR) = 4 [pid 3837] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3837] close(3) = 0 [pid 3837] close(4) = 0 [pid 3837] close(5) = -1 EBADF (Bad file descriptor) [pid 3837] close(6) = -1 EBADF (Bad file descriptor) [pid 3837] close(7) = -1 EBADF (Bad file descriptor) [pid 3837] close(8) = -1 EBADF (Bad file descriptor) [pid 3837] close(9) = -1 EBADF (Bad file descriptor) [pid 3837] close(10) = -1 EBADF (Bad file descriptor) [pid 3837] close(11) = -1 EBADF (Bad file descriptor) [pid 3837] close(12) = -1 EBADF (Bad file descriptor) [pid 3837] close(13) = -1 EBADF (Bad file descriptor) [pid 3837] close(14) = -1 EBADF (Bad file descriptor) [pid 3837] close(15) = -1 EBADF (Bad file descriptor) [pid 3837] close(16) = -1 EBADF (Bad file descriptor) [pid 3837] close(17) = -1 EBADF (Bad file descriptor) [pid 3837] close(18) = -1 EBADF (Bad file descriptor) [pid 3837] close(19) = -1 EBADF (Bad file descriptor) [pid 3837] close(20) = -1 EBADF (Bad file descriptor) [pid 3837] close(21) = -1 EBADF (Bad file descriptor) [pid 3837] close(22) = -1 EBADF (Bad file descriptor) [pid 3837] close(23) = -1 EBADF (Bad file descriptor) [pid 3837] close(24) = -1 EBADF (Bad file descriptor) [pid 3837] close(25) = -1 EBADF (Bad file descriptor) [pid 3837] close(26) = -1 EBADF (Bad file descriptor) [pid 3837] close(27) = -1 EBADF (Bad file descriptor) [pid 3837] close(28) = -1 EBADF (Bad file descriptor) [pid 3837] close(29) = -1 EBADF (Bad file descriptor) [pid 3837] exit_group(0) = ? [pid 3837] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./231", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./231/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./231/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./231/binderfs") = 0 [pid 3605] umount2("./231/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./231/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./231/cgroup") = 0 [pid 3605] umount2("./231/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./231/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./231/cgroup.net") = 0 [pid 3605] umount2("./231/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./231/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./231/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./231") = 0 [pid 3605] mkdir("./232", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 234 ./strace-static-x86_64: Process 3838 attached [pid 3838] chdir("./232") = 0 [pid 3838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3838] setpgid(0, 0) = 0 [pid 3838] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3838] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3838] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3838] write(3, "1000", 4) = 4 [pid 3838] close(3) = 0 [pid 3838] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3838] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3838] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3838] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3838] openat(3, "freezer.state", O_RDWR) = 4 [pid 3838] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3838] close(3) = 0 [pid 3838] close(4) = 0 [pid 3838] close(5) = -1 EBADF (Bad file descriptor) [pid 3838] close(6) = -1 EBADF (Bad file descriptor) [pid 3838] close(7) = -1 EBADF (Bad file descriptor) [pid 3838] close(8) = -1 EBADF (Bad file descriptor) [pid 3838] close(9) = -1 EBADF (Bad file descriptor) [pid 3838] close(10) = -1 EBADF (Bad file descriptor) [pid 3838] close(11) = -1 EBADF (Bad file descriptor) [pid 3838] close(12) = -1 EBADF (Bad file descriptor) [pid 3838] close(13) = -1 EBADF (Bad file descriptor) [pid 3838] close(14) = -1 EBADF (Bad file descriptor) [pid 3838] close(15) = -1 EBADF (Bad file descriptor) [pid 3838] close(16) = -1 EBADF (Bad file descriptor) [pid 3838] close(17) = -1 EBADF (Bad file descriptor) [pid 3838] close(18) = -1 EBADF (Bad file descriptor) [pid 3838] close(19) = -1 EBADF (Bad file descriptor) [pid 3838] close(20) = -1 EBADF (Bad file descriptor) [pid 3838] close(21) = -1 EBADF (Bad file descriptor) [pid 3838] close(22) = -1 EBADF (Bad file descriptor) [pid 3838] close(23) = -1 EBADF (Bad file descriptor) [pid 3838] close(24) = -1 EBADF (Bad file descriptor) [pid 3838] close(25) = -1 EBADF (Bad file descriptor) [pid 3838] close(26) = -1 EBADF (Bad file descriptor) [pid 3838] close(27) = -1 EBADF (Bad file descriptor) [pid 3838] close(28) = -1 EBADF (Bad file descriptor) [pid 3838] close(29) = -1 EBADF (Bad file descriptor) [pid 3838] exit_group(0) = ? [pid 3838] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./232", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./232/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./232/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./232/binderfs") = 0 [pid 3605] umount2("./232/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./232/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./232/cgroup") = 0 [pid 3605] umount2("./232/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./232/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./232/cgroup.net") = 0 [pid 3605] umount2("./232/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./232/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./232/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./232") = 0 [pid 3605] mkdir("./233", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 235 ./strace-static-x86_64: Process 3839 attached [pid 3839] chdir("./233") = 0 [pid 3839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3839] setpgid(0, 0) = 0 [pid 3839] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3839] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3839] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3839] write(3, "1000", 4) = 4 [pid 3839] close(3) = 0 [pid 3839] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3839] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3839] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3839] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3839] openat(3, "freezer.state", O_RDWR) = 4 [pid 3839] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3839] close(3) = 0 [pid 3839] close(4) = 0 [pid 3839] close(5) = -1 EBADF (Bad file descriptor) [pid 3839] close(6) = -1 EBADF (Bad file descriptor) [pid 3839] close(7) = -1 EBADF (Bad file descriptor) [pid 3839] close(8) = -1 EBADF (Bad file descriptor) [pid 3839] close(9) = -1 EBADF (Bad file descriptor) [pid 3839] close(10) = -1 EBADF (Bad file descriptor) [pid 3839] close(11) = -1 EBADF (Bad file descriptor) [pid 3839] close(12) = -1 EBADF (Bad file descriptor) [pid 3839] close(13) = -1 EBADF (Bad file descriptor) [pid 3839] close(14) = -1 EBADF (Bad file descriptor) [pid 3839] close(15) = -1 EBADF (Bad file descriptor) [pid 3839] close(16) = -1 EBADF (Bad file descriptor) [pid 3839] close(17) = -1 EBADF (Bad file descriptor) [pid 3839] close(18) = -1 EBADF (Bad file descriptor) [pid 3839] close(19) = -1 EBADF (Bad file descriptor) [pid 3839] close(20) = -1 EBADF (Bad file descriptor) [pid 3839] close(21) = -1 EBADF (Bad file descriptor) [pid 3839] close(22) = -1 EBADF (Bad file descriptor) [pid 3839] close(23) = -1 EBADF (Bad file descriptor) [pid 3839] close(24) = -1 EBADF (Bad file descriptor) [pid 3839] close(25) = -1 EBADF (Bad file descriptor) [pid 3839] close(26) = -1 EBADF (Bad file descriptor) [pid 3839] close(27) = -1 EBADF (Bad file descriptor) [pid 3839] close(28) = -1 EBADF (Bad file descriptor) [pid 3839] close(29) = -1 EBADF (Bad file descriptor) [pid 3839] exit_group(0) = ? [pid 3839] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./233", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./233/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./233/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./233/binderfs") = 0 [pid 3605] umount2("./233/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./233/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./233/cgroup") = 0 [pid 3605] umount2("./233/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./233/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./233/cgroup.net") = 0 [pid 3605] umount2("./233/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./233/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./233/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./233") = 0 [pid 3605] mkdir("./234", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 236 ./strace-static-x86_64: Process 3840 attached [pid 3840] chdir("./234") = 0 [pid 3840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3840] setpgid(0, 0) = 0 [pid 3840] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3840] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3840] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3840] write(3, "1000", 4) = 4 [pid 3840] close(3) = 0 [pid 3840] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3840] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3840] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3840] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3840] openat(3, "freezer.state", O_RDWR) = 4 [pid 3840] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3840] close(3) = 0 [pid 3840] close(4) = 0 [pid 3840] close(5) = -1 EBADF (Bad file descriptor) [pid 3840] close(6) = -1 EBADF (Bad file descriptor) [pid 3840] close(7) = -1 EBADF (Bad file descriptor) [pid 3840] close(8) = -1 EBADF (Bad file descriptor) [pid 3840] close(9) = -1 EBADF (Bad file descriptor) [pid 3840] close(10) = -1 EBADF (Bad file descriptor) [pid 3840] close(11) = -1 EBADF (Bad file descriptor) [pid 3840] close(12) = -1 EBADF (Bad file descriptor) [pid 3840] close(13) = -1 EBADF (Bad file descriptor) [pid 3840] close(14) = -1 EBADF (Bad file descriptor) [pid 3840] close(15) = -1 EBADF (Bad file descriptor) [pid 3840] close(16) = -1 EBADF (Bad file descriptor) [pid 3840] close(17) = -1 EBADF (Bad file descriptor) [pid 3840] close(18) = -1 EBADF (Bad file descriptor) [pid 3840] close(19) = -1 EBADF (Bad file descriptor) [pid 3840] close(20) = -1 EBADF (Bad file descriptor) [pid 3840] close(21) = -1 EBADF (Bad file descriptor) [pid 3840] close(22) = -1 EBADF (Bad file descriptor) [pid 3840] close(23) = -1 EBADF (Bad file descriptor) [pid 3840] close(24) = -1 EBADF (Bad file descriptor) [pid 3840] close(25) = -1 EBADF (Bad file descriptor) [pid 3840] close(26) = -1 EBADF (Bad file descriptor) [pid 3840] close(27) = -1 EBADF (Bad file descriptor) [pid 3840] close(28) = -1 EBADF (Bad file descriptor) [pid 3840] close(29) = -1 EBADF (Bad file descriptor) [pid 3840] exit_group(0) = ? [pid 3840] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./234", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./234/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./234/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./234/binderfs") = 0 [pid 3605] umount2("./234/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./234/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./234/cgroup") = 0 [pid 3605] umount2("./234/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./234/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./234/cgroup.net") = 0 [pid 3605] umount2("./234/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./234/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./234/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./234") = 0 [pid 3605] mkdir("./235", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 237 ./strace-static-x86_64: Process 3841 attached [pid 3841] chdir("./235") = 0 [pid 3841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3841] setpgid(0, 0) = 0 [pid 3841] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3841] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3841] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3841] write(3, "1000", 4) = 4 [pid 3841] close(3) = 0 [pid 3841] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3841] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3841] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3841] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3841] openat(3, "freezer.state", O_RDWR) = 4 [pid 3841] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3841] close(3) = 0 [pid 3841] close(4) = 0 [pid 3841] close(5) = -1 EBADF (Bad file descriptor) [pid 3841] close(6) = -1 EBADF (Bad file descriptor) [pid 3841] close(7) = -1 EBADF (Bad file descriptor) [pid 3841] close(8) = -1 EBADF (Bad file descriptor) [pid 3841] close(9) = -1 EBADF (Bad file descriptor) [pid 3841] close(10) = -1 EBADF (Bad file descriptor) [pid 3841] close(11) = -1 EBADF (Bad file descriptor) [pid 3841] close(12) = -1 EBADF (Bad file descriptor) [pid 3841] close(13) = -1 EBADF (Bad file descriptor) [pid 3841] close(14) = -1 EBADF (Bad file descriptor) [pid 3841] close(15) = -1 EBADF (Bad file descriptor) [pid 3841] close(16) = -1 EBADF (Bad file descriptor) [pid 3841] close(17) = -1 EBADF (Bad file descriptor) [pid 3841] close(18) = -1 EBADF (Bad file descriptor) [pid 3841] close(19) = -1 EBADF (Bad file descriptor) [pid 3841] close(20) = -1 EBADF (Bad file descriptor) [pid 3841] close(21) = -1 EBADF (Bad file descriptor) [pid 3841] close(22) = -1 EBADF (Bad file descriptor) [pid 3841] close(23) = -1 EBADF (Bad file descriptor) [pid 3841] close(24) = -1 EBADF (Bad file descriptor) [pid 3841] close(25) = -1 EBADF (Bad file descriptor) [pid 3841] close(26) = -1 EBADF (Bad file descriptor) [pid 3841] close(27) = -1 EBADF (Bad file descriptor) [pid 3841] close(28) = -1 EBADF (Bad file descriptor) [pid 3841] close(29) = -1 EBADF (Bad file descriptor) [pid 3841] exit_group(0) = ? [pid 3841] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./235/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./235/binderfs") = 0 [pid 3605] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./235/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./235/cgroup") = 0 [pid 3605] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./235/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./235/cgroup.net") = 0 [pid 3605] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./235/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./235/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./235") = 0 [pid 3605] mkdir("./236", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 238 ./strace-static-x86_64: Process 3842 attached [pid 3842] chdir("./236") = 0 [pid 3842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3842] setpgid(0, 0) = 0 [pid 3842] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3842] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3842] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3842] write(3, "1000", 4) = 4 [pid 3842] close(3) = 0 [pid 3842] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3842] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3842] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3842] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3842] openat(3, "freezer.state", O_RDWR) = 4 [pid 3842] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3842] close(3) = 0 [pid 3842] close(4) = 0 [pid 3842] close(5) = -1 EBADF (Bad file descriptor) [pid 3842] close(6) = -1 EBADF (Bad file descriptor) [pid 3842] close(7) = -1 EBADF (Bad file descriptor) [pid 3842] close(8) = -1 EBADF (Bad file descriptor) [pid 3842] close(9) = -1 EBADF (Bad file descriptor) [pid 3842] close(10) = -1 EBADF (Bad file descriptor) [pid 3842] close(11) = -1 EBADF (Bad file descriptor) [pid 3842] close(12) = -1 EBADF (Bad file descriptor) [pid 3842] close(13) = -1 EBADF (Bad file descriptor) [pid 3842] close(14) = -1 EBADF (Bad file descriptor) [pid 3842] close(15) = -1 EBADF (Bad file descriptor) [pid 3842] close(16) = -1 EBADF (Bad file descriptor) [pid 3842] close(17) = -1 EBADF (Bad file descriptor) [pid 3842] close(18) = -1 EBADF (Bad file descriptor) [pid 3842] close(19) = -1 EBADF (Bad file descriptor) [pid 3842] close(20) = -1 EBADF (Bad file descriptor) [pid 3842] close(21) = -1 EBADF (Bad file descriptor) [pid 3842] close(22) = -1 EBADF (Bad file descriptor) [pid 3842] close(23) = -1 EBADF (Bad file descriptor) [pid 3842] close(24) = -1 EBADF (Bad file descriptor) [pid 3842] close(25) = -1 EBADF (Bad file descriptor) [pid 3842] close(26) = -1 EBADF (Bad file descriptor) [pid 3842] close(27) = -1 EBADF (Bad file descriptor) [pid 3842] close(28) = -1 EBADF (Bad file descriptor) [pid 3842] close(29) = -1 EBADF (Bad file descriptor) [pid 3842] exit_group(0) = ? [pid 3842] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./236/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./236/binderfs") = 0 [pid 3605] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./236/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./236/cgroup") = 0 [pid 3605] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./236/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./236/cgroup.net") = 0 [pid 3605] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./236/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./236/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./236") = 0 [pid 3605] mkdir("./237", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3843 attached , child_tidptr=0x555556c0f5d0) = 239 [pid 3843] chdir("./237") = 0 [pid 3843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3843] setpgid(0, 0) = 0 [pid 3843] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3843] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3843] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3843] write(3, "1000", 4) = 4 [pid 3843] close(3) = 0 [pid 3843] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3843] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3843] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3843] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3843] openat(3, "freezer.state", O_RDWR) = 4 [pid 3843] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3843] close(3) = 0 [pid 3843] close(4) = 0 [pid 3843] close(5) = -1 EBADF (Bad file descriptor) [pid 3843] close(6) = -1 EBADF (Bad file descriptor) [pid 3843] close(7) = -1 EBADF (Bad file descriptor) [pid 3843] close(8) = -1 EBADF (Bad file descriptor) [pid 3843] close(9) = -1 EBADF (Bad file descriptor) [pid 3843] close(10) = -1 EBADF (Bad file descriptor) [pid 3843] close(11) = -1 EBADF (Bad file descriptor) [pid 3843] close(12) = -1 EBADF (Bad file descriptor) [pid 3843] close(13) = -1 EBADF (Bad file descriptor) [pid 3843] close(14) = -1 EBADF (Bad file descriptor) [pid 3843] close(15) = -1 EBADF (Bad file descriptor) [pid 3843] close(16) = -1 EBADF (Bad file descriptor) [pid 3843] close(17) = -1 EBADF (Bad file descriptor) [pid 3843] close(18) = -1 EBADF (Bad file descriptor) [pid 3843] close(19) = -1 EBADF (Bad file descriptor) [pid 3843] close(20) = -1 EBADF (Bad file descriptor) [pid 3843] close(21) = -1 EBADF (Bad file descriptor) [pid 3843] close(22) = -1 EBADF (Bad file descriptor) [pid 3843] close(23) = -1 EBADF (Bad file descriptor) [pid 3843] close(24) = -1 EBADF (Bad file descriptor) [pid 3843] close(25) = -1 EBADF (Bad file descriptor) [pid 3843] close(26) = -1 EBADF (Bad file descriptor) [pid 3843] close(27) = -1 EBADF (Bad file descriptor) [pid 3843] close(28) = -1 EBADF (Bad file descriptor) [pid 3843] close(29) = -1 EBADF (Bad file descriptor) [pid 3843] exit_group(0) = ? [pid 3843] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./237/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./237/binderfs") = 0 [pid 3605] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./237/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./237/cgroup") = 0 [pid 3605] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./237/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./237/cgroup.net") = 0 [pid 3605] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./237/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./237/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./237") = 0 [pid 3605] mkdir("./238", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 240 ./strace-static-x86_64: Process 3844 attached [pid 3844] chdir("./238") = 0 [pid 3844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3844] setpgid(0, 0) = 0 [pid 3844] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3844] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3844] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3844] write(3, "1000", 4) = 4 [pid 3844] close(3) = 0 [pid 3844] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3844] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3844] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3844] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3844] openat(3, "freezer.state", O_RDWR) = 4 [pid 3844] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3844] close(3) = 0 [pid 3844] close(4) = 0 [pid 3844] close(5) = -1 EBADF (Bad file descriptor) [pid 3844] close(6) = -1 EBADF (Bad file descriptor) [pid 3844] close(7) = -1 EBADF (Bad file descriptor) [pid 3844] close(8) = -1 EBADF (Bad file descriptor) [pid 3844] close(9) = -1 EBADF (Bad file descriptor) [pid 3844] close(10) = -1 EBADF (Bad file descriptor) [pid 3844] close(11) = -1 EBADF (Bad file descriptor) [pid 3844] close(12) = -1 EBADF (Bad file descriptor) [pid 3844] close(13) = -1 EBADF (Bad file descriptor) [pid 3844] close(14) = -1 EBADF (Bad file descriptor) [pid 3844] close(15) = -1 EBADF (Bad file descriptor) [pid 3844] close(16) = -1 EBADF (Bad file descriptor) [pid 3844] close(17) = -1 EBADF (Bad file descriptor) [pid 3844] close(18) = -1 EBADF (Bad file descriptor) [pid 3844] close(19) = -1 EBADF (Bad file descriptor) [pid 3844] close(20) = -1 EBADF (Bad file descriptor) [pid 3844] close(21) = -1 EBADF (Bad file descriptor) [pid 3844] close(22) = -1 EBADF (Bad file descriptor) [pid 3844] close(23) = -1 EBADF (Bad file descriptor) [pid 3844] close(24) = -1 EBADF (Bad file descriptor) [pid 3844] close(25) = -1 EBADF (Bad file descriptor) [pid 3844] close(26) = -1 EBADF (Bad file descriptor) [pid 3844] close(27) = -1 EBADF (Bad file descriptor) [pid 3844] close(28) = -1 EBADF (Bad file descriptor) [pid 3844] close(29) = -1 EBADF (Bad file descriptor) [pid 3844] exit_group(0) = ? [pid 3844] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./238/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./238/binderfs") = 0 [pid 3605] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./238/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./238/cgroup") = 0 [pid 3605] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./238/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./238/cgroup.net") = 0 [pid 3605] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./238/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./238/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./238") = 0 [pid 3605] mkdir("./239", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3845 attached [pid 3845] chdir("./239") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 241 [pid 3845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3845] setpgid(0, 0) = 0 [pid 3845] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3845] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3845] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3845] write(3, "1000", 4) = 4 [pid 3845] close(3) = 0 [pid 3845] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3845] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3845] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3845] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3845] openat(3, "freezer.state", O_RDWR) = 4 [pid 3845] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3845] close(3) = 0 [pid 3845] close(4) = 0 [pid 3845] close(5) = -1 EBADF (Bad file descriptor) [pid 3845] close(6) = -1 EBADF (Bad file descriptor) [pid 3845] close(7) = -1 EBADF (Bad file descriptor) [pid 3845] close(8) = -1 EBADF (Bad file descriptor) [pid 3845] close(9) = -1 EBADF (Bad file descriptor) [pid 3845] close(10) = -1 EBADF (Bad file descriptor) [pid 3845] close(11) = -1 EBADF (Bad file descriptor) [pid 3845] close(12) = -1 EBADF (Bad file descriptor) [pid 3845] close(13) = -1 EBADF (Bad file descriptor) [pid 3845] close(14) = -1 EBADF (Bad file descriptor) [pid 3845] close(15) = -1 EBADF (Bad file descriptor) [pid 3845] close(16) = -1 EBADF (Bad file descriptor) [pid 3845] close(17) = -1 EBADF (Bad file descriptor) [pid 3845] close(18) = -1 EBADF (Bad file descriptor) [pid 3845] close(19) = -1 EBADF (Bad file descriptor) [pid 3845] close(20) = -1 EBADF (Bad file descriptor) [pid 3845] close(21) = -1 EBADF (Bad file descriptor) [pid 3845] close(22) = -1 EBADF (Bad file descriptor) [pid 3845] close(23) = -1 EBADF (Bad file descriptor) [pid 3845] close(24) = -1 EBADF (Bad file descriptor) [pid 3845] close(25) = -1 EBADF (Bad file descriptor) [pid 3845] close(26) = -1 EBADF (Bad file descriptor) [pid 3845] close(27) = -1 EBADF (Bad file descriptor) [pid 3845] close(28) = -1 EBADF (Bad file descriptor) [pid 3845] close(29) = -1 EBADF (Bad file descriptor) [pid 3845] exit_group(0) = ? [pid 3845] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./239/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./239/binderfs") = 0 [pid 3605] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./239/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./239/cgroup") = 0 [pid 3605] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./239/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./239/cgroup.net") = 0 [pid 3605] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./239/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./239/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./239") = 0 [pid 3605] mkdir("./240", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3846 attached [pid 3846] chdir("./240") = 0 [pid 3846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3846] setpgid(0, 0) = 0 [pid 3846] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 242 [pid 3846] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3846] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3846] write(3, "1000", 4) = 4 [pid 3846] close(3) = 0 [pid 3846] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3846] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3846] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3846] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3846] openat(3, "freezer.state", O_RDWR) = 4 [pid 3846] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3846] close(3) = 0 [pid 3846] close(4) = 0 [pid 3846] close(5) = -1 EBADF (Bad file descriptor) [pid 3846] close(6) = -1 EBADF (Bad file descriptor) [pid 3846] close(7) = -1 EBADF (Bad file descriptor) [pid 3846] close(8) = -1 EBADF (Bad file descriptor) [pid 3846] close(9) = -1 EBADF (Bad file descriptor) [pid 3846] close(10) = -1 EBADF (Bad file descriptor) [pid 3846] close(11) = -1 EBADF (Bad file descriptor) [pid 3846] close(12) = -1 EBADF (Bad file descriptor) [pid 3846] close(13) = -1 EBADF (Bad file descriptor) [pid 3846] close(14) = -1 EBADF (Bad file descriptor) [pid 3846] close(15) = -1 EBADF (Bad file descriptor) [pid 3846] close(16) = -1 EBADF (Bad file descriptor) [pid 3846] close(17) = -1 EBADF (Bad file descriptor) [pid 3846] close(18) = -1 EBADF (Bad file descriptor) [pid 3846] close(19) = -1 EBADF (Bad file descriptor) [pid 3846] close(20) = -1 EBADF (Bad file descriptor) [pid 3846] close(21) = -1 EBADF (Bad file descriptor) [pid 3846] close(22) = -1 EBADF (Bad file descriptor) [pid 3846] close(23) = -1 EBADF (Bad file descriptor) [pid 3846] close(24) = -1 EBADF (Bad file descriptor) [pid 3846] close(25) = -1 EBADF (Bad file descriptor) [pid 3846] close(26) = -1 EBADF (Bad file descriptor) [pid 3846] close(27) = -1 EBADF (Bad file descriptor) [pid 3846] close(28) = -1 EBADF (Bad file descriptor) [pid 3846] close(29) = -1 EBADF (Bad file descriptor) [pid 3846] exit_group(0) = ? [pid 3846] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./240/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./240/binderfs") = 0 [pid 3605] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./240/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./240/cgroup") = 0 [pid 3605] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./240/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./240/cgroup.net") = 0 [pid 3605] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./240/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./240/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./240") = 0 [pid 3605] mkdir("./241", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3847 attached [pid 3847] chdir("./241") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 243 [pid 3847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3847] setpgid(0, 0) = 0 [pid 3847] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3847] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3847] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3847] write(3, "1000", 4) = 4 [pid 3847] close(3) = 0 [pid 3847] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3847] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3847] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3847] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3847] openat(3, "freezer.state", O_RDWR) = 4 [pid 3847] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3847] close(3) = 0 [pid 3847] close(4) = 0 [pid 3847] close(5) = -1 EBADF (Bad file descriptor) [pid 3847] close(6) = -1 EBADF (Bad file descriptor) [pid 3847] close(7) = -1 EBADF (Bad file descriptor) [pid 3847] close(8) = -1 EBADF (Bad file descriptor) [pid 3847] close(9) = -1 EBADF (Bad file descriptor) [pid 3847] close(10) = -1 EBADF (Bad file descriptor) [pid 3847] close(11) = -1 EBADF (Bad file descriptor) [pid 3847] close(12) = -1 EBADF (Bad file descriptor) [pid 3847] close(13) = -1 EBADF (Bad file descriptor) [pid 3847] close(14) = -1 EBADF (Bad file descriptor) [pid 3847] close(15) = -1 EBADF (Bad file descriptor) [pid 3847] close(16) = -1 EBADF (Bad file descriptor) [pid 3847] close(17) = -1 EBADF (Bad file descriptor) [pid 3847] close(18) = -1 EBADF (Bad file descriptor) [pid 3847] close(19) = -1 EBADF (Bad file descriptor) [pid 3847] close(20) = -1 EBADF (Bad file descriptor) [pid 3847] close(21) = -1 EBADF (Bad file descriptor) [pid 3847] close(22) = -1 EBADF (Bad file descriptor) [pid 3847] close(23) = -1 EBADF (Bad file descriptor) [pid 3847] close(24) = -1 EBADF (Bad file descriptor) [pid 3847] close(25) = -1 EBADF (Bad file descriptor) [pid 3847] close(26) = -1 EBADF (Bad file descriptor) [pid 3847] close(27) = -1 EBADF (Bad file descriptor) [pid 3847] close(28) = -1 EBADF (Bad file descriptor) [pid 3847] close(29) = -1 EBADF (Bad file descriptor) [pid 3847] exit_group(0) = ? [pid 3847] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=1, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./241/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./241/binderfs") = 0 [pid 3605] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./241/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./241/cgroup") = 0 [pid 3605] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./241/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./241/cgroup.net") = 0 [pid 3605] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./241/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./241/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./241") = 0 [pid 3605] mkdir("./242", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3848 attached [pid 3848] chdir("./242") = 0 [pid 3848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3848] setpgid(0, 0) = 0 [pid 3848] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3848] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 244 [pid 3848] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3848] write(3, "1000", 4) = 4 [pid 3848] close(3) = 0 [pid 3848] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3848] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3848] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3848] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3848] openat(3, "freezer.state", O_RDWR) = 4 [pid 3848] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3848] close(3) = 0 [pid 3848] close(4) = 0 [pid 3848] close(5) = -1 EBADF (Bad file descriptor) [pid 3848] close(6) = -1 EBADF (Bad file descriptor) [pid 3848] close(7) = -1 EBADF (Bad file descriptor) [pid 3848] close(8) = -1 EBADF (Bad file descriptor) [pid 3848] close(9) = -1 EBADF (Bad file descriptor) [pid 3848] close(10) = -1 EBADF (Bad file descriptor) [pid 3848] close(11) = -1 EBADF (Bad file descriptor) [pid 3848] close(12) = -1 EBADF (Bad file descriptor) [pid 3848] close(13) = -1 EBADF (Bad file descriptor) [pid 3848] close(14) = -1 EBADF (Bad file descriptor) [pid 3848] close(15) = -1 EBADF (Bad file descriptor) [pid 3848] close(16) = -1 EBADF (Bad file descriptor) [pid 3848] close(17) = -1 EBADF (Bad file descriptor) [pid 3848] close(18) = -1 EBADF (Bad file descriptor) [pid 3848] close(19) = -1 EBADF (Bad file descriptor) [pid 3848] close(20) = -1 EBADF (Bad file descriptor) [pid 3848] close(21) = -1 EBADF (Bad file descriptor) [pid 3848] close(22) = -1 EBADF (Bad file descriptor) [pid 3848] close(23) = -1 EBADF (Bad file descriptor) [pid 3848] close(24) = -1 EBADF (Bad file descriptor) [pid 3848] close(25) = -1 EBADF (Bad file descriptor) [pid 3848] close(26) = -1 EBADF (Bad file descriptor) [pid 3848] close(27) = -1 EBADF (Bad file descriptor) [pid 3848] close(28) = -1 EBADF (Bad file descriptor) [pid 3848] close(29) = -1 EBADF (Bad file descriptor) [pid 3848] exit_group(0) = ? [pid 3848] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./242/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./242/binderfs") = 0 [pid 3605] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./242/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./242/cgroup") = 0 [pid 3605] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./242/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./242/cgroup.net") = 0 [pid 3605] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./242/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./242/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./242") = 0 [pid 3605] mkdir("./243", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3849 attached , child_tidptr=0x555556c0f5d0) = 245 [pid 3849] chdir("./243") = 0 [pid 3849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3849] setpgid(0, 0) = 0 [pid 3849] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3849] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3849] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3849] write(3, "1000", 4) = 4 [pid 3849] close(3) = 0 [pid 3849] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3849] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3849] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3849] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3849] openat(3, "freezer.state", O_RDWR) = 4 [pid 3849] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3849] close(3) = 0 [pid 3849] close(4) = 0 [pid 3849] close(5) = -1 EBADF (Bad file descriptor) [pid 3849] close(6) = -1 EBADF (Bad file descriptor) [pid 3849] close(7) = -1 EBADF (Bad file descriptor) [pid 3849] close(8) = -1 EBADF (Bad file descriptor) [pid 3849] close(9) = -1 EBADF (Bad file descriptor) [pid 3849] close(10) = -1 EBADF (Bad file descriptor) [pid 3849] close(11) = -1 EBADF (Bad file descriptor) [pid 3849] close(12) = -1 EBADF (Bad file descriptor) [pid 3849] close(13) = -1 EBADF (Bad file descriptor) [pid 3849] close(14) = -1 EBADF (Bad file descriptor) [pid 3849] close(15) = -1 EBADF (Bad file descriptor) [pid 3849] close(16) = -1 EBADF (Bad file descriptor) [pid 3849] close(17) = -1 EBADF (Bad file descriptor) [pid 3849] close(18) = -1 EBADF (Bad file descriptor) [pid 3849] close(19) = -1 EBADF (Bad file descriptor) [pid 3849] close(20) = -1 EBADF (Bad file descriptor) [pid 3849] close(21) = -1 EBADF (Bad file descriptor) [pid 3849] close(22) = -1 EBADF (Bad file descriptor) [pid 3849] close(23) = -1 EBADF (Bad file descriptor) [pid 3849] close(24) = -1 EBADF (Bad file descriptor) [pid 3849] close(25) = -1 EBADF (Bad file descriptor) [pid 3849] close(26) = -1 EBADF (Bad file descriptor) [pid 3849] close(27) = -1 EBADF (Bad file descriptor) [pid 3849] close(28) = -1 EBADF (Bad file descriptor) [pid 3849] close(29) = -1 EBADF (Bad file descriptor) [pid 3849] exit_group(0) = ? [pid 3849] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./243/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./243/binderfs") = 0 [pid 3605] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./243/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./243/cgroup") = 0 [pid 3605] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./243/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./243/cgroup.net") = 0 [pid 3605] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./243/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./243/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./243") = 0 [pid 3605] mkdir("./244", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3850 attached [pid 3850] chdir("./244") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 246 [pid 3850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3850] setpgid(0, 0) = 0 [pid 3850] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3850] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3850] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3850] write(3, "1000", 4) = 4 [pid 3850] close(3) = 0 [pid 3850] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3850] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3850] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3850] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3850] openat(3, "freezer.state", O_RDWR) = 4 [pid 3850] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3850] close(3) = 0 [pid 3850] close(4) = 0 [pid 3850] close(5) = -1 EBADF (Bad file descriptor) [pid 3850] close(6) = -1 EBADF (Bad file descriptor) [pid 3850] close(7) = -1 EBADF (Bad file descriptor) [pid 3850] close(8) = -1 EBADF (Bad file descriptor) [pid 3850] close(9) = -1 EBADF (Bad file descriptor) [pid 3850] close(10) = -1 EBADF (Bad file descriptor) [pid 3850] close(11) = -1 EBADF (Bad file descriptor) [pid 3850] close(12) = -1 EBADF (Bad file descriptor) [pid 3850] close(13) = -1 EBADF (Bad file descriptor) [pid 3850] close(14) = -1 EBADF (Bad file descriptor) [pid 3850] close(15) = -1 EBADF (Bad file descriptor) [pid 3850] close(16) = -1 EBADF (Bad file descriptor) [pid 3850] close(17) = -1 EBADF (Bad file descriptor) [pid 3850] close(18) = -1 EBADF (Bad file descriptor) [pid 3850] close(19) = -1 EBADF (Bad file descriptor) [pid 3850] close(20) = -1 EBADF (Bad file descriptor) [pid 3850] close(21) = -1 EBADF (Bad file descriptor) [pid 3850] close(22) = -1 EBADF (Bad file descriptor) [pid 3850] close(23) = -1 EBADF (Bad file descriptor) [pid 3850] close(24) = -1 EBADF (Bad file descriptor) [pid 3850] close(25) = -1 EBADF (Bad file descriptor) [pid 3850] close(26) = -1 EBADF (Bad file descriptor) [pid 3850] close(27) = -1 EBADF (Bad file descriptor) [pid 3850] close(28) = -1 EBADF (Bad file descriptor) [pid 3850] close(29) = -1 EBADF (Bad file descriptor) [pid 3850] exit_group(0) = ? [pid 3850] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./244/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./244/binderfs") = 0 [pid 3605] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./244/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./244/cgroup") = 0 [pid 3605] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./244/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./244/cgroup.net") = 0 [pid 3605] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./244/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./244/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./244") = 0 [pid 3605] mkdir("./245", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 247 ./strace-static-x86_64: Process 3851 attached [pid 3851] chdir("./245") = 0 [pid 3851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3851] setpgid(0, 0) = 0 [pid 3851] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3851] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3851] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3851] write(3, "1000", 4) = 4 [pid 3851] close(3) = 0 [pid 3851] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3851] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3851] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3851] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3851] openat(3, "freezer.state", O_RDWR) = 4 [pid 3851] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3851] close(3) = 0 [pid 3851] close(4) = 0 [pid 3851] close(5) = -1 EBADF (Bad file descriptor) [pid 3851] close(6) = -1 EBADF (Bad file descriptor) [pid 3851] close(7) = -1 EBADF (Bad file descriptor) [pid 3851] close(8) = -1 EBADF (Bad file descriptor) [pid 3851] close(9) = -1 EBADF (Bad file descriptor) [pid 3851] close(10) = -1 EBADF (Bad file descriptor) [pid 3851] close(11) = -1 EBADF (Bad file descriptor) [pid 3851] close(12) = -1 EBADF (Bad file descriptor) [pid 3851] close(13) = -1 EBADF (Bad file descriptor) [pid 3851] close(14) = -1 EBADF (Bad file descriptor) [pid 3851] close(15) = -1 EBADF (Bad file descriptor) [pid 3851] close(16) = -1 EBADF (Bad file descriptor) [pid 3851] close(17) = -1 EBADF (Bad file descriptor) [pid 3851] close(18) = -1 EBADF (Bad file descriptor) [pid 3851] close(19) = -1 EBADF (Bad file descriptor) [pid 3851] close(20) = -1 EBADF (Bad file descriptor) [pid 3851] close(21) = -1 EBADF (Bad file descriptor) [pid 3851] close(22) = -1 EBADF (Bad file descriptor) [pid 3851] close(23) = -1 EBADF (Bad file descriptor) [pid 3851] close(24) = -1 EBADF (Bad file descriptor) [pid 3851] close(25) = -1 EBADF (Bad file descriptor) [pid 3851] close(26) = -1 EBADF (Bad file descriptor) [pid 3851] close(27) = -1 EBADF (Bad file descriptor) [pid 3851] close(28) = -1 EBADF (Bad file descriptor) [pid 3851] close(29) = -1 EBADF (Bad file descriptor) [pid 3851] exit_group(0) = ? [pid 3851] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./245/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./245/binderfs") = 0 [pid 3605] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./245/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./245/cgroup") = 0 [pid 3605] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./245/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./245/cgroup.net") = 0 [pid 3605] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./245/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./245/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./245") = 0 [pid 3605] mkdir("./246", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3852 attached [pid 3852] chdir("./246" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 248 [pid 3852] <... chdir resumed>) = 0 [pid 3852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3852] setpgid(0, 0) = 0 [pid 3852] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3852] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3852] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3852] write(3, "1000", 4) = 4 [pid 3852] close(3) = 0 [pid 3852] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3852] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3852] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3852] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3852] openat(3, "freezer.state", O_RDWR) = 4 [pid 3852] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3852] close(3) = 0 [pid 3852] close(4) = 0 [pid 3852] close(5) = -1 EBADF (Bad file descriptor) [pid 3852] close(6) = -1 EBADF (Bad file descriptor) [pid 3852] close(7) = -1 EBADF (Bad file descriptor) [pid 3852] close(8) = -1 EBADF (Bad file descriptor) [pid 3852] close(9) = -1 EBADF (Bad file descriptor) [pid 3852] close(10) = -1 EBADF (Bad file descriptor) [pid 3852] close(11) = -1 EBADF (Bad file descriptor) [pid 3852] close(12) = -1 EBADF (Bad file descriptor) [pid 3852] close(13) = -1 EBADF (Bad file descriptor) [pid 3852] close(14) = -1 EBADF (Bad file descriptor) [pid 3852] close(15) = -1 EBADF (Bad file descriptor) [pid 3852] close(16) = -1 EBADF (Bad file descriptor) [pid 3852] close(17) = -1 EBADF (Bad file descriptor) [pid 3852] close(18) = -1 EBADF (Bad file descriptor) [pid 3852] close(19) = -1 EBADF (Bad file descriptor) [pid 3852] close(20) = -1 EBADF (Bad file descriptor) [pid 3852] close(21) = -1 EBADF (Bad file descriptor) [pid 3852] close(22) = -1 EBADF (Bad file descriptor) [pid 3852] close(23) = -1 EBADF (Bad file descriptor) [pid 3852] close(24) = -1 EBADF (Bad file descriptor) [pid 3852] close(25) = -1 EBADF (Bad file descriptor) [pid 3852] close(26) = -1 EBADF (Bad file descriptor) [pid 3852] close(27) = -1 EBADF (Bad file descriptor) [pid 3852] close(28) = -1 EBADF (Bad file descriptor) [pid 3852] close(29) = -1 EBADF (Bad file descriptor) [pid 3852] exit_group(0) = ? [pid 3852] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./246/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./246/binderfs") = 0 [pid 3605] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./246/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./246/cgroup") = 0 [pid 3605] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./246/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./246/cgroup.net") = 0 [pid 3605] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./246/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./246/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./246") = 0 [pid 3605] mkdir("./247", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3853 attached [pid 3853] chdir("./247") = 0 [pid 3853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3853] setpgid(0, 0) = 0 [pid 3853] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 249 [pid 3853] <... symlink resumed>) = 0 [pid 3853] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3853] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3853] write(3, "1000", 4) = 4 [pid 3853] close(3) = 0 [pid 3853] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3853] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3853] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3853] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3853] openat(3, "freezer.state", O_RDWR) = 4 [pid 3853] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3853] close(3) = 0 [pid 3853] close(4) = 0 [pid 3853] close(5) = -1 EBADF (Bad file descriptor) [pid 3853] close(6) = -1 EBADF (Bad file descriptor) [pid 3853] close(7) = -1 EBADF (Bad file descriptor) [pid 3853] close(8) = -1 EBADF (Bad file descriptor) [pid 3853] close(9) = -1 EBADF (Bad file descriptor) [pid 3853] close(10) = -1 EBADF (Bad file descriptor) [pid 3853] close(11) = -1 EBADF (Bad file descriptor) [pid 3853] close(12) = -1 EBADF (Bad file descriptor) [pid 3853] close(13) = -1 EBADF (Bad file descriptor) [pid 3853] close(14) = -1 EBADF (Bad file descriptor) [pid 3853] close(15) = -1 EBADF (Bad file descriptor) [pid 3853] close(16) = -1 EBADF (Bad file descriptor) [pid 3853] close(17) = -1 EBADF (Bad file descriptor) [pid 3853] close(18) = -1 EBADF (Bad file descriptor) [pid 3853] close(19) = -1 EBADF (Bad file descriptor) [pid 3853] close(20) = -1 EBADF (Bad file descriptor) [pid 3853] close(21) = -1 EBADF (Bad file descriptor) [pid 3853] close(22) = -1 EBADF (Bad file descriptor) [pid 3853] close(23) = -1 EBADF (Bad file descriptor) [pid 3853] close(24) = -1 EBADF (Bad file descriptor) [pid 3853] close(25) = -1 EBADF (Bad file descriptor) [pid 3853] close(26) = -1 EBADF (Bad file descriptor) [pid 3853] close(27) = -1 EBADF (Bad file descriptor) [pid 3853] close(28) = -1 EBADF (Bad file descriptor) [pid 3853] close(29) = -1 EBADF (Bad file descriptor) [pid 3853] exit_group(0) = ? [pid 3853] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./247/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./247/binderfs") = 0 [pid 3605] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./247/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./247/cgroup") = 0 [pid 3605] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./247/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./247/cgroup.net") = 0 [pid 3605] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./247/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./247/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./247") = 0 [pid 3605] mkdir("./248", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3854 attached [pid 3854] chdir("./248") = 0 [pid 3854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 250 [pid 3854] <... prctl resumed>) = 0 [pid 3854] setpgid(0, 0) = 0 [pid 3854] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3854] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3854] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3854] write(3, "1000", 4) = 4 [pid 3854] close(3) = 0 [pid 3854] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3854] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3854] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3854] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3854] openat(3, "freezer.state", O_RDWR) = 4 [pid 3854] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3854] close(3) = 0 [pid 3854] close(4) = 0 [pid 3854] close(5) = -1 EBADF (Bad file descriptor) [pid 3854] close(6) = -1 EBADF (Bad file descriptor) [pid 3854] close(7) = -1 EBADF (Bad file descriptor) [pid 3854] close(8) = -1 EBADF (Bad file descriptor) [pid 3854] close(9) = -1 EBADF (Bad file descriptor) [pid 3854] close(10) = -1 EBADF (Bad file descriptor) [pid 3854] close(11) = -1 EBADF (Bad file descriptor) [pid 3854] close(12) = -1 EBADF (Bad file descriptor) [pid 3854] close(13) = -1 EBADF (Bad file descriptor) [pid 3854] close(14) = -1 EBADF (Bad file descriptor) [pid 3854] close(15) = -1 EBADF (Bad file descriptor) [pid 3854] close(16) = -1 EBADF (Bad file descriptor) [pid 3854] close(17) = -1 EBADF (Bad file descriptor) [pid 3854] close(18) = -1 EBADF (Bad file descriptor) [pid 3854] close(19) = -1 EBADF (Bad file descriptor) [pid 3854] close(20) = -1 EBADF (Bad file descriptor) [pid 3854] close(21) = -1 EBADF (Bad file descriptor) [pid 3854] close(22) = -1 EBADF (Bad file descriptor) [pid 3854] close(23) = -1 EBADF (Bad file descriptor) [pid 3854] close(24) = -1 EBADF (Bad file descriptor) [pid 3854] close(25) = -1 EBADF (Bad file descriptor) [pid 3854] close(26) = -1 EBADF (Bad file descriptor) [pid 3854] close(27) = -1 EBADF (Bad file descriptor) [pid 3854] close(28) = -1 EBADF (Bad file descriptor) [pid 3854] close(29) = -1 EBADF (Bad file descriptor) [pid 3854] exit_group(0) = ? [pid 3854] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./248/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./248/binderfs") = 0 [pid 3605] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./248/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./248/cgroup") = 0 [pid 3605] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./248/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./248/cgroup.net") = 0 [pid 3605] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./248/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./248/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./248") = 0 [pid 3605] mkdir("./249", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3855 attached [pid 3855] chdir("./249" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 251 [pid 3855] <... chdir resumed>) = 0 [pid 3855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3855] setpgid(0, 0) = 0 [pid 3855] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3855] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3855] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3855] write(3, "1000", 4) = 4 [pid 3855] close(3) = 0 [pid 3855] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3855] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3855] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3855] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3855] openat(3, "freezer.state", O_RDWR) = 4 [pid 3855] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3855] close(3) = 0 [pid 3855] close(4) = 0 [pid 3855] close(5) = -1 EBADF (Bad file descriptor) [pid 3855] close(6) = -1 EBADF (Bad file descriptor) [pid 3855] close(7) = -1 EBADF (Bad file descriptor) [pid 3855] close(8) = -1 EBADF (Bad file descriptor) [pid 3855] close(9) = -1 EBADF (Bad file descriptor) [pid 3855] close(10) = -1 EBADF (Bad file descriptor) [pid 3855] close(11) = -1 EBADF (Bad file descriptor) [pid 3855] close(12) = -1 EBADF (Bad file descriptor) [pid 3855] close(13) = -1 EBADF (Bad file descriptor) [pid 3855] close(14) = -1 EBADF (Bad file descriptor) [pid 3855] close(15) = -1 EBADF (Bad file descriptor) [pid 3855] close(16) = -1 EBADF (Bad file descriptor) [pid 3855] close(17) = -1 EBADF (Bad file descriptor) [pid 3855] close(18) = -1 EBADF (Bad file descriptor) [pid 3855] close(19) = -1 EBADF (Bad file descriptor) [pid 3855] close(20) = -1 EBADF (Bad file descriptor) [pid 3855] close(21) = -1 EBADF (Bad file descriptor) [pid 3855] close(22) = -1 EBADF (Bad file descriptor) [pid 3855] close(23) = -1 EBADF (Bad file descriptor) [pid 3855] close(24) = -1 EBADF (Bad file descriptor) [pid 3855] close(25) = -1 EBADF (Bad file descriptor) [pid 3855] close(26) = -1 EBADF (Bad file descriptor) [pid 3855] close(27) = -1 EBADF (Bad file descriptor) [pid 3855] close(28) = -1 EBADF (Bad file descriptor) [pid 3855] close(29) = -1 EBADF (Bad file descriptor) [pid 3855] exit_group(0) = ? [pid 3855] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./249/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./249/binderfs") = 0 [pid 3605] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./249/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./249/cgroup") = 0 [pid 3605] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./249/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./249/cgroup.net") = 0 [pid 3605] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./249/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./249/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./249") = 0 [pid 3605] mkdir("./250", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3856 attached , child_tidptr=0x555556c0f5d0) = 252 [pid 3856] chdir("./250") = 0 [pid 3856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3856] setpgid(0, 0) = 0 [pid 3856] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3856] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3856] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3856] write(3, "1000", 4) = 4 [pid 3856] close(3) = 0 [pid 3856] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3856] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3856] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3856] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3856] openat(3, "freezer.state", O_RDWR) = 4 [pid 3856] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3856] close(3) = 0 [pid 3856] close(4) = 0 [pid 3856] close(5) = -1 EBADF (Bad file descriptor) [pid 3856] close(6) = -1 EBADF (Bad file descriptor) [pid 3856] close(7) = -1 EBADF (Bad file descriptor) [pid 3856] close(8) = -1 EBADF (Bad file descriptor) [pid 3856] close(9) = -1 EBADF (Bad file descriptor) [pid 3856] close(10) = -1 EBADF (Bad file descriptor) [pid 3856] close(11) = -1 EBADF (Bad file descriptor) [pid 3856] close(12) = -1 EBADF (Bad file descriptor) [pid 3856] close(13) = -1 EBADF (Bad file descriptor) [pid 3856] close(14) = -1 EBADF (Bad file descriptor) [pid 3856] close(15) = -1 EBADF (Bad file descriptor) [pid 3856] close(16) = -1 EBADF (Bad file descriptor) [pid 3856] close(17) = -1 EBADF (Bad file descriptor) [pid 3856] close(18) = -1 EBADF (Bad file descriptor) [pid 3856] close(19) = -1 EBADF (Bad file descriptor) [pid 3856] close(20) = -1 EBADF (Bad file descriptor) [pid 3856] close(21) = -1 EBADF (Bad file descriptor) [pid 3856] close(22) = -1 EBADF (Bad file descriptor) [pid 3856] close(23) = -1 EBADF (Bad file descriptor) [pid 3856] close(24) = -1 EBADF (Bad file descriptor) [pid 3856] close(25) = -1 EBADF (Bad file descriptor) [pid 3856] close(26) = -1 EBADF (Bad file descriptor) [pid 3856] close(27) = -1 EBADF (Bad file descriptor) [pid 3856] close(28) = -1 EBADF (Bad file descriptor) [pid 3856] close(29) = -1 EBADF (Bad file descriptor) [pid 3856] exit_group(0) = ? [pid 3856] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./250/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./250/binderfs") = 0 [pid 3605] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./250/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./250/cgroup") = 0 [pid 3605] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./250/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./250/cgroup.net") = 0 [pid 3605] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./250/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./250/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./250") = 0 [pid 3605] mkdir("./251", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3857 attached , child_tidptr=0x555556c0f5d0) = 253 [pid 3857] chdir("./251") = 0 [pid 3857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3857] setpgid(0, 0) = 0 [pid 3857] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3857] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3857] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3857] write(3, "1000", 4) = 4 [pid 3857] close(3) = 0 [pid 3857] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3857] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3857] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3857] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3857] openat(3, "freezer.state", O_RDWR) = 4 [pid 3857] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3857] close(3) = 0 [pid 3857] close(4) = 0 [pid 3857] close(5) = -1 EBADF (Bad file descriptor) [pid 3857] close(6) = -1 EBADF (Bad file descriptor) [pid 3857] close(7) = -1 EBADF (Bad file descriptor) [pid 3857] close(8) = -1 EBADF (Bad file descriptor) [pid 3857] close(9) = -1 EBADF (Bad file descriptor) [pid 3857] close(10) = -1 EBADF (Bad file descriptor) [pid 3857] close(11) = -1 EBADF (Bad file descriptor) [pid 3857] close(12) = -1 EBADF (Bad file descriptor) [pid 3857] close(13) = -1 EBADF (Bad file descriptor) [pid 3857] close(14) = -1 EBADF (Bad file descriptor) [pid 3857] close(15) = -1 EBADF (Bad file descriptor) [pid 3857] close(16) = -1 EBADF (Bad file descriptor) [pid 3857] close(17) = -1 EBADF (Bad file descriptor) [pid 3857] close(18) = -1 EBADF (Bad file descriptor) [pid 3857] close(19) = -1 EBADF (Bad file descriptor) [pid 3857] close(20) = -1 EBADF (Bad file descriptor) [pid 3857] close(21) = -1 EBADF (Bad file descriptor) [pid 3857] close(22) = -1 EBADF (Bad file descriptor) [pid 3857] close(23) = -1 EBADF (Bad file descriptor) [pid 3857] close(24) = -1 EBADF (Bad file descriptor) [pid 3857] close(25) = -1 EBADF (Bad file descriptor) [pid 3857] close(26) = -1 EBADF (Bad file descriptor) [pid 3857] close(27) = -1 EBADF (Bad file descriptor) [pid 3857] close(28) = -1 EBADF (Bad file descriptor) [pid 3857] close(29) = -1 EBADF (Bad file descriptor) [pid 3857] exit_group(0) = ? [pid 3857] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./251/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./251/binderfs") = 0 [pid 3605] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./251/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./251/cgroup") = 0 [pid 3605] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./251/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./251/cgroup.net") = 0 [pid 3605] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./251/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./251/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./251") = 0 [pid 3605] mkdir("./252", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3858 attached [pid 3858] chdir("./252") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 254 [pid 3858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3858] setpgid(0, 0) = 0 [pid 3858] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3858] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3858] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3858] write(3, "1000", 4) = 4 [pid 3858] close(3) = 0 [pid 3858] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3858] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3858] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3858] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3858] openat(3, "freezer.state", O_RDWR) = 4 [pid 3858] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3858] close(3) = 0 [pid 3858] close(4) = 0 [pid 3858] close(5) = -1 EBADF (Bad file descriptor) [pid 3858] close(6) = -1 EBADF (Bad file descriptor) [pid 3858] close(7) = -1 EBADF (Bad file descriptor) [pid 3858] close(8) = -1 EBADF (Bad file descriptor) [pid 3858] close(9) = -1 EBADF (Bad file descriptor) [pid 3858] close(10) = -1 EBADF (Bad file descriptor) [pid 3858] close(11) = -1 EBADF (Bad file descriptor) [pid 3858] close(12) = -1 EBADF (Bad file descriptor) [pid 3858] close(13) = -1 EBADF (Bad file descriptor) [pid 3858] close(14) = -1 EBADF (Bad file descriptor) [pid 3858] close(15) = -1 EBADF (Bad file descriptor) [pid 3858] close(16) = -1 EBADF (Bad file descriptor) [pid 3858] close(17) = -1 EBADF (Bad file descriptor) [pid 3858] close(18) = -1 EBADF (Bad file descriptor) [pid 3858] close(19) = -1 EBADF (Bad file descriptor) [pid 3858] close(20) = -1 EBADF (Bad file descriptor) [pid 3858] close(21) = -1 EBADF (Bad file descriptor) [pid 3858] close(22) = -1 EBADF (Bad file descriptor) [pid 3858] close(23) = -1 EBADF (Bad file descriptor) [pid 3858] close(24) = -1 EBADF (Bad file descriptor) [pid 3858] close(25) = -1 EBADF (Bad file descriptor) [pid 3858] close(26) = -1 EBADF (Bad file descriptor) [pid 3858] close(27) = -1 EBADF (Bad file descriptor) [pid 3858] close(28) = -1 EBADF (Bad file descriptor) [pid 3858] close(29) = -1 EBADF (Bad file descriptor) [pid 3858] exit_group(0) = ? [pid 3858] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./252/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./252/binderfs") = 0 [pid 3605] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./252/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./252/cgroup") = 0 [pid 3605] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./252/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./252/cgroup.net") = 0 [pid 3605] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./252/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./252/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./252") = 0 [pid 3605] mkdir("./253", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3859 attached [pid 3859] chdir("./253" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 255 [pid 3859] <... chdir resumed>) = 0 [pid 3859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3859] setpgid(0, 0) = 0 [pid 3859] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3859] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3859] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3859] write(3, "1000", 4) = 4 [pid 3859] close(3) = 0 [pid 3859] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3859] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3859] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3859] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3859] openat(3, "freezer.state", O_RDWR) = 4 [pid 3859] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3859] close(3) = 0 [pid 3859] close(4) = 0 [pid 3859] close(5) = -1 EBADF (Bad file descriptor) [pid 3859] close(6) = -1 EBADF (Bad file descriptor) [pid 3859] close(7) = -1 EBADF (Bad file descriptor) [pid 3859] close(8) = -1 EBADF (Bad file descriptor) [pid 3859] close(9) = -1 EBADF (Bad file descriptor) [pid 3859] close(10) = -1 EBADF (Bad file descriptor) [pid 3859] close(11) = -1 EBADF (Bad file descriptor) [pid 3859] close(12) = -1 EBADF (Bad file descriptor) [pid 3859] close(13) = -1 EBADF (Bad file descriptor) [pid 3859] close(14) = -1 EBADF (Bad file descriptor) [pid 3859] close(15) = -1 EBADF (Bad file descriptor) [pid 3859] close(16) = -1 EBADF (Bad file descriptor) [pid 3859] close(17) = -1 EBADF (Bad file descriptor) [pid 3859] close(18) = -1 EBADF (Bad file descriptor) [pid 3859] close(19) = -1 EBADF (Bad file descriptor) [pid 3859] close(20) = -1 EBADF (Bad file descriptor) [pid 3859] close(21) = -1 EBADF (Bad file descriptor) [pid 3859] close(22) = -1 EBADF (Bad file descriptor) [pid 3859] close(23) = -1 EBADF (Bad file descriptor) [pid 3859] close(24) = -1 EBADF (Bad file descriptor) [pid 3859] close(25) = -1 EBADF (Bad file descriptor) [pid 3859] close(26) = -1 EBADF (Bad file descriptor) [pid 3859] close(27) = -1 EBADF (Bad file descriptor) [pid 3859] close(28) = -1 EBADF (Bad file descriptor) [pid 3859] close(29) = -1 EBADF (Bad file descriptor) [pid 3859] exit_group(0) = ? [pid 3859] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./253/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./253/binderfs") = 0 [pid 3605] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./253/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./253/cgroup") = 0 [pid 3605] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./253/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./253/cgroup.net") = 0 [pid 3605] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./253/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./253/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./253") = 0 [pid 3605] mkdir("./254", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3860 attached [pid 3860] chdir("./254") = 0 [pid 3860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3860] setpgid(0, 0) = 0 [pid 3860] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 256 [pid 3860] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3860] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3860] write(3, "1000", 4) = 4 [pid 3860] close(3) = 0 [pid 3860] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3860] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3860] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3860] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3860] openat(3, "freezer.state", O_RDWR) = 4 [pid 3860] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3860] close(3) = 0 [pid 3860] close(4) = 0 [pid 3860] close(5) = -1 EBADF (Bad file descriptor) [pid 3860] close(6) = -1 EBADF (Bad file descriptor) [pid 3860] close(7) = -1 EBADF (Bad file descriptor) [pid 3860] close(8) = -1 EBADF (Bad file descriptor) [pid 3860] close(9) = -1 EBADF (Bad file descriptor) [pid 3860] close(10) = -1 EBADF (Bad file descriptor) [pid 3860] close(11) = -1 EBADF (Bad file descriptor) [pid 3860] close(12) = -1 EBADF (Bad file descriptor) [pid 3860] close(13) = -1 EBADF (Bad file descriptor) [pid 3860] close(14) = -1 EBADF (Bad file descriptor) [pid 3860] close(15) = -1 EBADF (Bad file descriptor) [pid 3860] close(16) = -1 EBADF (Bad file descriptor) [pid 3860] close(17) = -1 EBADF (Bad file descriptor) [pid 3860] close(18) = -1 EBADF (Bad file descriptor) [pid 3860] close(19) = -1 EBADF (Bad file descriptor) [pid 3860] close(20) = -1 EBADF (Bad file descriptor) [pid 3860] close(21) = -1 EBADF (Bad file descriptor) [pid 3860] close(22) = -1 EBADF (Bad file descriptor) [pid 3860] close(23) = -1 EBADF (Bad file descriptor) [pid 3860] close(24) = -1 EBADF (Bad file descriptor) [pid 3860] close(25) = -1 EBADF (Bad file descriptor) [pid 3860] close(26) = -1 EBADF (Bad file descriptor) [pid 3860] close(27) = -1 EBADF (Bad file descriptor) [pid 3860] close(28) = -1 EBADF (Bad file descriptor) [pid 3860] close(29) = -1 EBADF (Bad file descriptor) [pid 3860] exit_group(0) = ? [pid 3860] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./254/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./254/binderfs") = 0 [pid 3605] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./254/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./254/cgroup") = 0 [pid 3605] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./254/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./254/cgroup.net") = 0 [pid 3605] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./254/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./254/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./254") = 0 [pid 3605] mkdir("./255", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3861 attached [pid 3861] chdir("./255") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 257 [pid 3861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3861] setpgid(0, 0) = 0 [pid 3861] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3861] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3861] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3861] write(3, "1000", 4) = 4 [pid 3861] close(3) = 0 [pid 3861] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3861] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3861] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3861] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3861] openat(3, "freezer.state", O_RDWR) = 4 [pid 3861] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3861] close(3) = 0 [pid 3861] close(4) = 0 [pid 3861] close(5) = -1 EBADF (Bad file descriptor) [pid 3861] close(6) = -1 EBADF (Bad file descriptor) [pid 3861] close(7) = -1 EBADF (Bad file descriptor) [pid 3861] close(8) = -1 EBADF (Bad file descriptor) [pid 3861] close(9) = -1 EBADF (Bad file descriptor) [pid 3861] close(10) = -1 EBADF (Bad file descriptor) [pid 3861] close(11) = -1 EBADF (Bad file descriptor) [pid 3861] close(12) = -1 EBADF (Bad file descriptor) [pid 3861] close(13) = -1 EBADF (Bad file descriptor) [pid 3861] close(14) = -1 EBADF (Bad file descriptor) [pid 3861] close(15) = -1 EBADF (Bad file descriptor) [pid 3861] close(16) = -1 EBADF (Bad file descriptor) [pid 3861] close(17) = -1 EBADF (Bad file descriptor) [pid 3861] close(18) = -1 EBADF (Bad file descriptor) [pid 3861] close(19) = -1 EBADF (Bad file descriptor) [pid 3861] close(20) = -1 EBADF (Bad file descriptor) [pid 3861] close(21) = -1 EBADF (Bad file descriptor) [pid 3861] close(22) = -1 EBADF (Bad file descriptor) [pid 3861] close(23) = -1 EBADF (Bad file descriptor) [pid 3861] close(24) = -1 EBADF (Bad file descriptor) [pid 3861] close(25) = -1 EBADF (Bad file descriptor) [pid 3861] close(26) = -1 EBADF (Bad file descriptor) [pid 3861] close(27) = -1 EBADF (Bad file descriptor) [pid 3861] close(28) = -1 EBADF (Bad file descriptor) [pid 3861] close(29) = -1 EBADF (Bad file descriptor) [pid 3861] exit_group(0) = ? [pid 3861] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./255/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./255/binderfs") = 0 [pid 3605] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./255/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./255/cgroup") = 0 [pid 3605] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./255/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./255/cgroup.net") = 0 [pid 3605] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./255/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./255/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./255") = 0 [pid 3605] mkdir("./256", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3862 attached [pid 3862] chdir("./256") = 0 [pid 3862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3862] setpgid(0, 0) = 0 [pid 3862] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 258 [pid 3862] <... symlink resumed>) = 0 [pid 3862] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3862] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3862] write(3, "1000", 4) = 4 [pid 3862] close(3) = 0 [pid 3862] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3862] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3862] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3862] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3862] openat(3, "freezer.state", O_RDWR) = 4 [pid 3862] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3862] close(3) = 0 [pid 3862] close(4) = 0 [pid 3862] close(5) = -1 EBADF (Bad file descriptor) [pid 3862] close(6) = -1 EBADF (Bad file descriptor) [pid 3862] close(7) = -1 EBADF (Bad file descriptor) [pid 3862] close(8) = -1 EBADF (Bad file descriptor) [pid 3862] close(9) = -1 EBADF (Bad file descriptor) [pid 3862] close(10) = -1 EBADF (Bad file descriptor) [pid 3862] close(11) = -1 EBADF (Bad file descriptor) [pid 3862] close(12) = -1 EBADF (Bad file descriptor) [pid 3862] close(13) = -1 EBADF (Bad file descriptor) [pid 3862] close(14) = -1 EBADF (Bad file descriptor) [pid 3862] close(15) = -1 EBADF (Bad file descriptor) [pid 3862] close(16) = -1 EBADF (Bad file descriptor) [pid 3862] close(17) = -1 EBADF (Bad file descriptor) [pid 3862] close(18) = -1 EBADF (Bad file descriptor) [pid 3862] close(19) = -1 EBADF (Bad file descriptor) [pid 3862] close(20) = -1 EBADF (Bad file descriptor) [pid 3862] close(21) = -1 EBADF (Bad file descriptor) [pid 3862] close(22) = -1 EBADF (Bad file descriptor) [pid 3862] close(23) = -1 EBADF (Bad file descriptor) [pid 3862] close(24) = -1 EBADF (Bad file descriptor) [pid 3862] close(25) = -1 EBADF (Bad file descriptor) [pid 3862] close(26) = -1 EBADF (Bad file descriptor) [pid 3862] close(27) = -1 EBADF (Bad file descriptor) [pid 3862] close(28) = -1 EBADF (Bad file descriptor) [pid 3862] close(29) = -1 EBADF (Bad file descriptor) [pid 3862] exit_group(0) = ? [pid 3862] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./256/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./256/binderfs") = 0 [pid 3605] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./256/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./256/cgroup") = 0 [pid 3605] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./256/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./256/cgroup.net") = 0 [pid 3605] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./256/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./256/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./256") = 0 [pid 3605] mkdir("./257", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3863 attached , child_tidptr=0x555556c0f5d0) = 259 [pid 3863] chdir("./257") = 0 [pid 3863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3863] setpgid(0, 0) = 0 [pid 3863] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3863] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3863] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3863] write(3, "1000", 4) = 4 [pid 3863] close(3) = 0 [pid 3863] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3863] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3863] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3863] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3863] openat(3, "freezer.state", O_RDWR) = 4 [pid 3863] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3863] close(3) = 0 [pid 3863] close(4) = 0 [pid 3863] close(5) = -1 EBADF (Bad file descriptor) [pid 3863] close(6) = -1 EBADF (Bad file descriptor) [pid 3863] close(7) = -1 EBADF (Bad file descriptor) [pid 3863] close(8) = -1 EBADF (Bad file descriptor) [pid 3863] close(9) = -1 EBADF (Bad file descriptor) [pid 3863] close(10) = -1 EBADF (Bad file descriptor) [pid 3863] close(11) = -1 EBADF (Bad file descriptor) [pid 3863] close(12) = -1 EBADF (Bad file descriptor) [pid 3863] close(13) = -1 EBADF (Bad file descriptor) [pid 3863] close(14) = -1 EBADF (Bad file descriptor) [pid 3863] close(15) = -1 EBADF (Bad file descriptor) [pid 3863] close(16) = -1 EBADF (Bad file descriptor) [pid 3863] close(17) = -1 EBADF (Bad file descriptor) [pid 3863] close(18) = -1 EBADF (Bad file descriptor) [pid 3863] close(19) = -1 EBADF (Bad file descriptor) [pid 3863] close(20) = -1 EBADF (Bad file descriptor) [pid 3863] close(21) = -1 EBADF (Bad file descriptor) [pid 3863] close(22) = -1 EBADF (Bad file descriptor) [pid 3863] close(23) = -1 EBADF (Bad file descriptor) [pid 3863] close(24) = -1 EBADF (Bad file descriptor) [pid 3863] close(25) = -1 EBADF (Bad file descriptor) [pid 3863] close(26) = -1 EBADF (Bad file descriptor) [pid 3863] close(27) = -1 EBADF (Bad file descriptor) [pid 3863] close(28) = -1 EBADF (Bad file descriptor) [pid 3863] close(29) = -1 EBADF (Bad file descriptor) [pid 3863] exit_group(0) = ? [pid 3863] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./257/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./257/binderfs") = 0 [pid 3605] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./257/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./257/cgroup") = 0 [pid 3605] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./257/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./257/cgroup.net") = 0 [pid 3605] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./257/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./257/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./257") = 0 [pid 3605] mkdir("./258", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3864 attached , child_tidptr=0x555556c0f5d0) = 260 [pid 3864] chdir("./258") = 0 [pid 3864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3864] setpgid(0, 0) = 0 [pid 3864] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3864] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3864] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3864] write(3, "1000", 4) = 4 [pid 3864] close(3) = 0 [pid 3864] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3864] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3864] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3864] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3864] openat(3, "freezer.state", O_RDWR) = 4 [pid 3864] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3864] close(3) = 0 [pid 3864] close(4) = 0 [pid 3864] close(5) = -1 EBADF (Bad file descriptor) [pid 3864] close(6) = -1 EBADF (Bad file descriptor) [pid 3864] close(7) = -1 EBADF (Bad file descriptor) [pid 3864] close(8) = -1 EBADF (Bad file descriptor) [pid 3864] close(9) = -1 EBADF (Bad file descriptor) [pid 3864] close(10) = -1 EBADF (Bad file descriptor) [pid 3864] close(11) = -1 EBADF (Bad file descriptor) [pid 3864] close(12) = -1 EBADF (Bad file descriptor) [pid 3864] close(13) = -1 EBADF (Bad file descriptor) [pid 3864] close(14) = -1 EBADF (Bad file descriptor) [pid 3864] close(15) = -1 EBADF (Bad file descriptor) [pid 3864] close(16) = -1 EBADF (Bad file descriptor) [pid 3864] close(17) = -1 EBADF (Bad file descriptor) [pid 3864] close(18) = -1 EBADF (Bad file descriptor) [pid 3864] close(19) = -1 EBADF (Bad file descriptor) [pid 3864] close(20) = -1 EBADF (Bad file descriptor) [pid 3864] close(21) = -1 EBADF (Bad file descriptor) [pid 3864] close(22) = -1 EBADF (Bad file descriptor) [pid 3864] close(23) = -1 EBADF (Bad file descriptor) [pid 3864] close(24) = -1 EBADF (Bad file descriptor) [pid 3864] close(25) = -1 EBADF (Bad file descriptor) [pid 3864] close(26) = -1 EBADF (Bad file descriptor) [pid 3864] close(27) = -1 EBADF (Bad file descriptor) [pid 3864] close(28) = -1 EBADF (Bad file descriptor) [pid 3864] close(29) = -1 EBADF (Bad file descriptor) [pid 3864] exit_group(0) = ? [pid 3864] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./258/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./258/binderfs") = 0 [pid 3605] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./258/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./258/cgroup") = 0 [pid 3605] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./258/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./258/cgroup.net") = 0 [pid 3605] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./258/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./258/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./258") = 0 [pid 3605] mkdir("./259", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3865 attached , child_tidptr=0x555556c0f5d0) = 261 [pid 3865] chdir("./259") = 0 [pid 3865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3865] setpgid(0, 0) = 0 [pid 3865] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3865] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3865] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3865] write(3, "1000", 4) = 4 [pid 3865] close(3) = 0 [pid 3865] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3865] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3865] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3865] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3865] openat(3, "freezer.state", O_RDWR) = 4 [pid 3865] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3865] close(3) = 0 [pid 3865] close(4) = 0 [pid 3865] close(5) = -1 EBADF (Bad file descriptor) [pid 3865] close(6) = -1 EBADF (Bad file descriptor) [pid 3865] close(7) = -1 EBADF (Bad file descriptor) [pid 3865] close(8) = -1 EBADF (Bad file descriptor) [pid 3865] close(9) = -1 EBADF (Bad file descriptor) [pid 3865] close(10) = -1 EBADF (Bad file descriptor) [pid 3865] close(11) = -1 EBADF (Bad file descriptor) [pid 3865] close(12) = -1 EBADF (Bad file descriptor) [pid 3865] close(13) = -1 EBADF (Bad file descriptor) [pid 3865] close(14) = -1 EBADF (Bad file descriptor) [pid 3865] close(15) = -1 EBADF (Bad file descriptor) [pid 3865] close(16) = -1 EBADF (Bad file descriptor) [pid 3865] close(17) = -1 EBADF (Bad file descriptor) [pid 3865] close(18) = -1 EBADF (Bad file descriptor) [pid 3865] close(19) = -1 EBADF (Bad file descriptor) [pid 3865] close(20) = -1 EBADF (Bad file descriptor) [pid 3865] close(21) = -1 EBADF (Bad file descriptor) [pid 3865] close(22) = -1 EBADF (Bad file descriptor) [pid 3865] close(23) = -1 EBADF (Bad file descriptor) [pid 3865] close(24) = -1 EBADF (Bad file descriptor) [pid 3865] close(25) = -1 EBADF (Bad file descriptor) [pid 3865] close(26) = -1 EBADF (Bad file descriptor) [pid 3865] close(27) = -1 EBADF (Bad file descriptor) [pid 3865] close(28) = -1 EBADF (Bad file descriptor) [pid 3865] close(29) = -1 EBADF (Bad file descriptor) [pid 3865] exit_group(0) = ? [pid 3865] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./259/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./259/binderfs") = 0 [pid 3605] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./259/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./259/cgroup") = 0 [pid 3605] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./259/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./259/cgroup.net") = 0 [pid 3605] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./259/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./259/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./259") = 0 [pid 3605] mkdir("./260", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 262 ./strace-static-x86_64: Process 3866 attached [pid 3866] chdir("./260") = 0 [pid 3866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3866] setpgid(0, 0) = 0 [pid 3866] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3866] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3866] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3866] write(3, "1000", 4) = 4 [pid 3866] close(3) = 0 [pid 3866] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3866] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3866] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3866] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3866] openat(3, "freezer.state", O_RDWR) = 4 [pid 3866] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3866] close(3) = 0 [pid 3866] close(4) = 0 [pid 3866] close(5) = -1 EBADF (Bad file descriptor) [pid 3866] close(6) = -1 EBADF (Bad file descriptor) [pid 3866] close(7) = -1 EBADF (Bad file descriptor) [pid 3866] close(8) = -1 EBADF (Bad file descriptor) [pid 3866] close(9) = -1 EBADF (Bad file descriptor) [pid 3866] close(10) = -1 EBADF (Bad file descriptor) [pid 3866] close(11) = -1 EBADF (Bad file descriptor) [pid 3866] close(12) = -1 EBADF (Bad file descriptor) [pid 3866] close(13) = -1 EBADF (Bad file descriptor) [pid 3866] close(14) = -1 EBADF (Bad file descriptor) [pid 3866] close(15) = -1 EBADF (Bad file descriptor) [pid 3866] close(16) = -1 EBADF (Bad file descriptor) [pid 3866] close(17) = -1 EBADF (Bad file descriptor) [pid 3866] close(18) = -1 EBADF (Bad file descriptor) [pid 3866] close(19) = -1 EBADF (Bad file descriptor) [pid 3866] close(20) = -1 EBADF (Bad file descriptor) [pid 3866] close(21) = -1 EBADF (Bad file descriptor) [pid 3866] close(22) = -1 EBADF (Bad file descriptor) [pid 3866] close(23) = -1 EBADF (Bad file descriptor) [pid 3866] close(24) = -1 EBADF (Bad file descriptor) [pid 3866] close(25) = -1 EBADF (Bad file descriptor) [pid 3866] close(26) = -1 EBADF (Bad file descriptor) [pid 3866] close(27) = -1 EBADF (Bad file descriptor) [pid 3866] close(28) = -1 EBADF (Bad file descriptor) [pid 3866] close(29) = -1 EBADF (Bad file descriptor) [pid 3866] exit_group(0) = ? [pid 3866] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./260/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./260/binderfs") = 0 [pid 3605] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./260/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./260/cgroup") = 0 [pid 3605] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./260/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./260/cgroup.net") = 0 [pid 3605] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./260/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./260/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./260") = 0 [pid 3605] mkdir("./261", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3867 attached , child_tidptr=0x555556c0f5d0) = 263 [pid 3867] chdir("./261") = 0 [pid 3867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3867] setpgid(0, 0) = 0 [pid 3867] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3867] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3867] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3867] write(3, "1000", 4) = 4 [pid 3867] close(3) = 0 [pid 3867] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3867] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3867] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3867] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3867] openat(3, "freezer.state", O_RDWR) = 4 [pid 3867] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3867] close(3) = 0 [pid 3867] close(4) = 0 [pid 3867] close(5) = -1 EBADF (Bad file descriptor) [pid 3867] close(6) = -1 EBADF (Bad file descriptor) [pid 3867] close(7) = -1 EBADF (Bad file descriptor) [pid 3867] close(8) = -1 EBADF (Bad file descriptor) [pid 3867] close(9) = -1 EBADF (Bad file descriptor) [pid 3867] close(10) = -1 EBADF (Bad file descriptor) [pid 3867] close(11) = -1 EBADF (Bad file descriptor) [pid 3867] close(12) = -1 EBADF (Bad file descriptor) [pid 3867] close(13) = -1 EBADF (Bad file descriptor) [pid 3867] close(14) = -1 EBADF (Bad file descriptor) [pid 3867] close(15) = -1 EBADF (Bad file descriptor) [pid 3867] close(16) = -1 EBADF (Bad file descriptor) [pid 3867] close(17) = -1 EBADF (Bad file descriptor) [pid 3867] close(18) = -1 EBADF (Bad file descriptor) [pid 3867] close(19) = -1 EBADF (Bad file descriptor) [pid 3867] close(20) = -1 EBADF (Bad file descriptor) [pid 3867] close(21) = -1 EBADF (Bad file descriptor) [pid 3867] close(22) = -1 EBADF (Bad file descriptor) [pid 3867] close(23) = -1 EBADF (Bad file descriptor) [pid 3867] close(24) = -1 EBADF (Bad file descriptor) [pid 3867] close(25) = -1 EBADF (Bad file descriptor) [pid 3867] close(26) = -1 EBADF (Bad file descriptor) [pid 3867] close(27) = -1 EBADF (Bad file descriptor) [pid 3867] close(28) = -1 EBADF (Bad file descriptor) [pid 3867] close(29) = -1 EBADF (Bad file descriptor) [pid 3867] exit_group(0) = ? [pid 3867] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./261/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./261/binderfs") = 0 [pid 3605] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./261/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./261/cgroup") = 0 [pid 3605] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./261/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./261/cgroup.net") = 0 [pid 3605] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./261/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./261/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./261") = 0 [pid 3605] mkdir("./262", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3868 attached , child_tidptr=0x555556c0f5d0) = 264 [pid 3868] chdir("./262") = 0 [pid 3868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3868] setpgid(0, 0) = 0 [pid 3868] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3868] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3868] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3868] write(3, "1000", 4) = 4 [pid 3868] close(3) = 0 [pid 3868] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3868] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3868] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3868] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3868] openat(3, "freezer.state", O_RDWR) = 4 [pid 3868] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3868] close(3) = 0 [pid 3868] close(4) = 0 [pid 3868] close(5) = -1 EBADF (Bad file descriptor) [pid 3868] close(6) = -1 EBADF (Bad file descriptor) [pid 3868] close(7) = -1 EBADF (Bad file descriptor) [pid 3868] close(8) = -1 EBADF (Bad file descriptor) [pid 3868] close(9) = -1 EBADF (Bad file descriptor) [pid 3868] close(10) = -1 EBADF (Bad file descriptor) [pid 3868] close(11) = -1 EBADF (Bad file descriptor) [pid 3868] close(12) = -1 EBADF (Bad file descriptor) [pid 3868] close(13) = -1 EBADF (Bad file descriptor) [pid 3868] close(14) = -1 EBADF (Bad file descriptor) [pid 3868] close(15) = -1 EBADF (Bad file descriptor) [pid 3868] close(16) = -1 EBADF (Bad file descriptor) [pid 3868] close(17) = -1 EBADF (Bad file descriptor) [pid 3868] close(18) = -1 EBADF (Bad file descriptor) [pid 3868] close(19) = -1 EBADF (Bad file descriptor) [pid 3868] close(20) = -1 EBADF (Bad file descriptor) [pid 3868] close(21) = -1 EBADF (Bad file descriptor) [pid 3868] close(22) = -1 EBADF (Bad file descriptor) [pid 3868] close(23) = -1 EBADF (Bad file descriptor) [pid 3868] close(24) = -1 EBADF (Bad file descriptor) [pid 3868] close(25) = -1 EBADF (Bad file descriptor) [pid 3868] close(26) = -1 EBADF (Bad file descriptor) [pid 3868] close(27) = -1 EBADF (Bad file descriptor) [pid 3868] close(28) = -1 EBADF (Bad file descriptor) [pid 3868] close(29) = -1 EBADF (Bad file descriptor) [pid 3868] exit_group(0) = ? [pid 3868] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./262/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./262/binderfs") = 0 [pid 3605] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./262/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./262/cgroup") = 0 [pid 3605] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./262/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./262/cgroup.net") = 0 [pid 3605] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./262/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./262/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./262") = 0 [pid 3605] mkdir("./263", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3869 attached , child_tidptr=0x555556c0f5d0) = 265 [pid 3869] chdir("./263") = 0 [pid 3869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3869] setpgid(0, 0) = 0 [pid 3869] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3869] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3869] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3869] write(3, "1000", 4) = 4 [pid 3869] close(3) = 0 [pid 3869] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3869] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3869] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3869] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3869] openat(3, "freezer.state", O_RDWR) = 4 [pid 3869] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3869] close(3) = 0 [pid 3869] close(4) = 0 [pid 3869] close(5) = -1 EBADF (Bad file descriptor) [pid 3869] close(6) = -1 EBADF (Bad file descriptor) [pid 3869] close(7) = -1 EBADF (Bad file descriptor) [pid 3869] close(8) = -1 EBADF (Bad file descriptor) [pid 3869] close(9) = -1 EBADF (Bad file descriptor) [pid 3869] close(10) = -1 EBADF (Bad file descriptor) [pid 3869] close(11) = -1 EBADF (Bad file descriptor) [pid 3869] close(12) = -1 EBADF (Bad file descriptor) [pid 3869] close(13) = -1 EBADF (Bad file descriptor) [pid 3869] close(14) = -1 EBADF (Bad file descriptor) [pid 3869] close(15) = -1 EBADF (Bad file descriptor) [pid 3869] close(16) = -1 EBADF (Bad file descriptor) [pid 3869] close(17) = -1 EBADF (Bad file descriptor) [pid 3869] close(18) = -1 EBADF (Bad file descriptor) [pid 3869] close(19) = -1 EBADF (Bad file descriptor) [pid 3869] close(20) = -1 EBADF (Bad file descriptor) [pid 3869] close(21) = -1 EBADF (Bad file descriptor) [pid 3869] close(22) = -1 EBADF (Bad file descriptor) [pid 3869] close(23) = -1 EBADF (Bad file descriptor) [pid 3869] close(24) = -1 EBADF (Bad file descriptor) [pid 3869] close(25) = -1 EBADF (Bad file descriptor) [pid 3869] close(26) = -1 EBADF (Bad file descriptor) [pid 3869] close(27) = -1 EBADF (Bad file descriptor) [pid 3869] close(28) = -1 EBADF (Bad file descriptor) [pid 3869] close(29) = -1 EBADF (Bad file descriptor) [pid 3869] exit_group(0) = ? [pid 3869] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./263/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./263/binderfs") = 0 [pid 3605] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./263/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./263/cgroup") = 0 [pid 3605] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./263/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./263/cgroup.net") = 0 [pid 3605] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./263/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./263/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./263") = 0 [pid 3605] mkdir("./264", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3870 attached , child_tidptr=0x555556c0f5d0) = 266 [pid 3870] chdir("./264") = 0 [pid 3870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3870] setpgid(0, 0) = 0 [pid 3870] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3870] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3870] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3870] write(3, "1000", 4) = 4 [pid 3870] close(3) = 0 [pid 3870] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3870] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3870] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3870] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3870] openat(3, "freezer.state", O_RDWR) = 4 [pid 3870] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3870] close(3) = 0 [pid 3870] close(4) = 0 [pid 3870] close(5) = -1 EBADF (Bad file descriptor) [pid 3870] close(6) = -1 EBADF (Bad file descriptor) [pid 3870] close(7) = -1 EBADF (Bad file descriptor) [pid 3870] close(8) = -1 EBADF (Bad file descriptor) [pid 3870] close(9) = -1 EBADF (Bad file descriptor) [pid 3870] close(10) = -1 EBADF (Bad file descriptor) [pid 3870] close(11) = -1 EBADF (Bad file descriptor) [pid 3870] close(12) = -1 EBADF (Bad file descriptor) [pid 3870] close(13) = -1 EBADF (Bad file descriptor) [pid 3870] close(14) = -1 EBADF (Bad file descriptor) [pid 3870] close(15) = -1 EBADF (Bad file descriptor) [pid 3870] close(16) = -1 EBADF (Bad file descriptor) [pid 3870] close(17) = -1 EBADF (Bad file descriptor) [pid 3870] close(18) = -1 EBADF (Bad file descriptor) [pid 3870] close(19) = -1 EBADF (Bad file descriptor) [pid 3870] close(20) = -1 EBADF (Bad file descriptor) [pid 3870] close(21) = -1 EBADF (Bad file descriptor) [pid 3870] close(22) = -1 EBADF (Bad file descriptor) [pid 3870] close(23) = -1 EBADF (Bad file descriptor) [pid 3870] close(24) = -1 EBADF (Bad file descriptor) [pid 3870] close(25) = -1 EBADF (Bad file descriptor) [pid 3870] close(26) = -1 EBADF (Bad file descriptor) [pid 3870] close(27) = -1 EBADF (Bad file descriptor) [pid 3870] close(28) = -1 EBADF (Bad file descriptor) [pid 3870] close(29) = -1 EBADF (Bad file descriptor) [pid 3870] exit_group(0) = ? [pid 3870] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./264/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./264/binderfs") = 0 [pid 3605] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./264/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./264/cgroup") = 0 [pid 3605] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./264/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./264/cgroup.net") = 0 [pid 3605] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./264/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./264/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./264") = 0 [pid 3605] mkdir("./265", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3871 attached , child_tidptr=0x555556c0f5d0) = 267 [pid 3871] chdir("./265") = 0 [pid 3871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3871] setpgid(0, 0) = 0 [pid 3871] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3871] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3871] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3871] write(3, "1000", 4) = 4 [pid 3871] close(3) = 0 [pid 3871] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3871] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3871] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3871] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3871] openat(3, "freezer.state", O_RDWR) = 4 [pid 3871] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3871] close(3) = 0 [pid 3871] close(4) = 0 [pid 3871] close(5) = -1 EBADF (Bad file descriptor) [pid 3871] close(6) = -1 EBADF (Bad file descriptor) [pid 3871] close(7) = -1 EBADF (Bad file descriptor) [pid 3871] close(8) = -1 EBADF (Bad file descriptor) [pid 3871] close(9) = -1 EBADF (Bad file descriptor) [pid 3871] close(10) = -1 EBADF (Bad file descriptor) [pid 3871] close(11) = -1 EBADF (Bad file descriptor) [pid 3871] close(12) = -1 EBADF (Bad file descriptor) [pid 3871] close(13) = -1 EBADF (Bad file descriptor) [pid 3871] close(14) = -1 EBADF (Bad file descriptor) [pid 3871] close(15) = -1 EBADF (Bad file descriptor) [pid 3871] close(16) = -1 EBADF (Bad file descriptor) [pid 3871] close(17) = -1 EBADF (Bad file descriptor) [pid 3871] close(18) = -1 EBADF (Bad file descriptor) [pid 3871] close(19) = -1 EBADF (Bad file descriptor) [pid 3871] close(20) = -1 EBADF (Bad file descriptor) [pid 3871] close(21) = -1 EBADF (Bad file descriptor) [pid 3871] close(22) = -1 EBADF (Bad file descriptor) [pid 3871] close(23) = -1 EBADF (Bad file descriptor) [pid 3871] close(24) = -1 EBADF (Bad file descriptor) [pid 3871] close(25) = -1 EBADF (Bad file descriptor) [pid 3871] close(26) = -1 EBADF (Bad file descriptor) [pid 3871] close(27) = -1 EBADF (Bad file descriptor) [pid 3871] close(28) = -1 EBADF (Bad file descriptor) [pid 3871] close(29) = -1 EBADF (Bad file descriptor) [pid 3871] exit_group(0) = ? [pid 3871] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./265/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./265/binderfs") = 0 [pid 3605] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./265/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./265/cgroup") = 0 [pid 3605] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./265/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./265/cgroup.net") = 0 [pid 3605] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./265/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./265/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./265") = 0 [pid 3605] mkdir("./266", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3872 attached , child_tidptr=0x555556c0f5d0) = 268 [pid 3872] chdir("./266") = 0 [pid 3872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3872] setpgid(0, 0) = 0 [pid 3872] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3872] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3872] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3872] write(3, "1000", 4) = 4 [pid 3872] close(3) = 0 [pid 3872] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3872] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3872] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3872] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3872] openat(3, "freezer.state", O_RDWR) = 4 [pid 3872] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3872] close(3) = 0 [pid 3872] close(4) = 0 [pid 3872] close(5) = -1 EBADF (Bad file descriptor) [pid 3872] close(6) = -1 EBADF (Bad file descriptor) [pid 3872] close(7) = -1 EBADF (Bad file descriptor) [pid 3872] close(8) = -1 EBADF (Bad file descriptor) [pid 3872] close(9) = -1 EBADF (Bad file descriptor) [pid 3872] close(10) = -1 EBADF (Bad file descriptor) [pid 3872] close(11) = -1 EBADF (Bad file descriptor) [pid 3872] close(12) = -1 EBADF (Bad file descriptor) [pid 3872] close(13) = -1 EBADF (Bad file descriptor) [pid 3872] close(14) = -1 EBADF (Bad file descriptor) [pid 3872] close(15) = -1 EBADF (Bad file descriptor) [pid 3872] close(16) = -1 EBADF (Bad file descriptor) [pid 3872] close(17) = -1 EBADF (Bad file descriptor) [pid 3872] close(18) = -1 EBADF (Bad file descriptor) [pid 3872] close(19) = -1 EBADF (Bad file descriptor) [pid 3872] close(20) = -1 EBADF (Bad file descriptor) [pid 3872] close(21) = -1 EBADF (Bad file descriptor) [pid 3872] close(22) = -1 EBADF (Bad file descriptor) [pid 3872] close(23) = -1 EBADF (Bad file descriptor) [pid 3872] close(24) = -1 EBADF (Bad file descriptor) [pid 3872] close(25) = -1 EBADF (Bad file descriptor) [pid 3872] close(26) = -1 EBADF (Bad file descriptor) [pid 3872] close(27) = -1 EBADF (Bad file descriptor) [pid 3872] close(28) = -1 EBADF (Bad file descriptor) [pid 3872] close(29) = -1 EBADF (Bad file descriptor) [pid 3872] exit_group(0) = ? [pid 3872] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./266/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./266/binderfs") = 0 [pid 3605] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./266/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./266/cgroup") = 0 [pid 3605] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./266/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./266/cgroup.net") = 0 [pid 3605] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./266/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./266/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./266") = 0 [pid 3605] mkdir("./267", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3873 attached , child_tidptr=0x555556c0f5d0) = 269 [pid 3873] chdir("./267") = 0 [pid 3873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3873] setpgid(0, 0) = 0 [pid 3873] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3873] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3873] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3873] write(3, "1000", 4) = 4 [pid 3873] close(3) = 0 [pid 3873] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3873] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3873] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3873] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3873] openat(3, "freezer.state", O_RDWR) = 4 [pid 3873] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3873] close(3) = 0 [pid 3873] close(4) = 0 [pid 3873] close(5) = -1 EBADF (Bad file descriptor) [pid 3873] close(6) = -1 EBADF (Bad file descriptor) [pid 3873] close(7) = -1 EBADF (Bad file descriptor) [pid 3873] close(8) = -1 EBADF (Bad file descriptor) [pid 3873] close(9) = -1 EBADF (Bad file descriptor) [pid 3873] close(10) = -1 EBADF (Bad file descriptor) [pid 3873] close(11) = -1 EBADF (Bad file descriptor) [pid 3873] close(12) = -1 EBADF (Bad file descriptor) [pid 3873] close(13) = -1 EBADF (Bad file descriptor) [pid 3873] close(14) = -1 EBADF (Bad file descriptor) [pid 3873] close(15) = -1 EBADF (Bad file descriptor) [pid 3873] close(16) = -1 EBADF (Bad file descriptor) [pid 3873] close(17) = -1 EBADF (Bad file descriptor) [pid 3873] close(18) = -1 EBADF (Bad file descriptor) [pid 3873] close(19) = -1 EBADF (Bad file descriptor) [pid 3873] close(20) = -1 EBADF (Bad file descriptor) [pid 3873] close(21) = -1 EBADF (Bad file descriptor) [pid 3873] close(22) = -1 EBADF (Bad file descriptor) [pid 3873] close(23) = -1 EBADF (Bad file descriptor) [pid 3873] close(24) = -1 EBADF (Bad file descriptor) [pid 3873] close(25) = -1 EBADF (Bad file descriptor) [pid 3873] close(26) = -1 EBADF (Bad file descriptor) [pid 3873] close(27) = -1 EBADF (Bad file descriptor) [pid 3873] close(28) = -1 EBADF (Bad file descriptor) [pid 3873] close(29) = -1 EBADF (Bad file descriptor) [pid 3873] exit_group(0) = ? [pid 3873] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./267/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./267/binderfs") = 0 [pid 3605] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./267/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./267/cgroup") = 0 [pid 3605] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./267/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./267/cgroup.net") = 0 [pid 3605] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./267/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./267/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./267") = 0 [pid 3605] mkdir("./268", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3874 attached , child_tidptr=0x555556c0f5d0) = 270 [pid 3874] chdir("./268") = 0 [pid 3874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3874] setpgid(0, 0) = 0 [pid 3874] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3874] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3874] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3874] write(3, "1000", 4) = 4 [pid 3874] close(3) = 0 [pid 3874] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3874] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3874] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3874] openat(3, "freezer.state", O_RDWR) = 4 [pid 3874] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3874] close(3) = 0 [pid 3874] close(4) = 0 [pid 3874] close(5) = -1 EBADF (Bad file descriptor) [pid 3874] close(6) = -1 EBADF (Bad file descriptor) [pid 3874] close(7) = -1 EBADF (Bad file descriptor) [pid 3874] close(8) = -1 EBADF (Bad file descriptor) [pid 3874] close(9) = -1 EBADF (Bad file descriptor) [pid 3874] close(10) = -1 EBADF (Bad file descriptor) [pid 3874] close(11) = -1 EBADF (Bad file descriptor) [pid 3874] close(12) = -1 EBADF (Bad file descriptor) [pid 3874] close(13) = -1 EBADF (Bad file descriptor) [pid 3874] close(14) = -1 EBADF (Bad file descriptor) [pid 3874] close(15) = -1 EBADF (Bad file descriptor) [pid 3874] close(16) = -1 EBADF (Bad file descriptor) [pid 3874] close(17) = -1 EBADF (Bad file descriptor) [pid 3874] close(18) = -1 EBADF (Bad file descriptor) [pid 3874] close(19) = -1 EBADF (Bad file descriptor) [pid 3874] close(20) = -1 EBADF (Bad file descriptor) [pid 3874] close(21) = -1 EBADF (Bad file descriptor) [pid 3874] close(22) = -1 EBADF (Bad file descriptor) [pid 3874] close(23) = -1 EBADF (Bad file descriptor) [pid 3874] close(24) = -1 EBADF (Bad file descriptor) [pid 3874] close(25) = -1 EBADF (Bad file descriptor) [pid 3874] close(26) = -1 EBADF (Bad file descriptor) [pid 3874] close(27) = -1 EBADF (Bad file descriptor) [pid 3874] close(28) = -1 EBADF (Bad file descriptor) [pid 3874] close(29) = -1 EBADF (Bad file descriptor) [pid 3874] exit_group(0) = ? [pid 3874] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./268/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./268/binderfs") = 0 [pid 3605] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./268/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./268/cgroup") = 0 [pid 3605] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./268/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./268/cgroup.net") = 0 [pid 3605] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./268/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./268/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./268") = 0 [pid 3605] mkdir("./269", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3875 attached , child_tidptr=0x555556c0f5d0) = 271 [pid 3875] chdir("./269") = 0 [pid 3875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3875] setpgid(0, 0) = 0 [pid 3875] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3875] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3875] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3875] write(3, "1000", 4) = 4 [pid 3875] close(3) = 0 [pid 3875] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3875] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3875] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3875] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3875] openat(3, "freezer.state", O_RDWR) = 4 [pid 3875] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3875] close(3) = 0 [pid 3875] close(4) = 0 [pid 3875] close(5) = -1 EBADF (Bad file descriptor) [pid 3875] close(6) = -1 EBADF (Bad file descriptor) [pid 3875] close(7) = -1 EBADF (Bad file descriptor) [pid 3875] close(8) = -1 EBADF (Bad file descriptor) [pid 3875] close(9) = -1 EBADF (Bad file descriptor) [pid 3875] close(10) = -1 EBADF (Bad file descriptor) [pid 3875] close(11) = -1 EBADF (Bad file descriptor) [pid 3875] close(12) = -1 EBADF (Bad file descriptor) [pid 3875] close(13) = -1 EBADF (Bad file descriptor) [pid 3875] close(14) = -1 EBADF (Bad file descriptor) [pid 3875] close(15) = -1 EBADF (Bad file descriptor) [pid 3875] close(16) = -1 EBADF (Bad file descriptor) [pid 3875] close(17) = -1 EBADF (Bad file descriptor) [pid 3875] close(18) = -1 EBADF (Bad file descriptor) [pid 3875] close(19) = -1 EBADF (Bad file descriptor) [pid 3875] close(20) = -1 EBADF (Bad file descriptor) [pid 3875] close(21) = -1 EBADF (Bad file descriptor) [pid 3875] close(22) = -1 EBADF (Bad file descriptor) [pid 3875] close(23) = -1 EBADF (Bad file descriptor) [pid 3875] close(24) = -1 EBADF (Bad file descriptor) [pid 3875] close(25) = -1 EBADF (Bad file descriptor) [pid 3875] close(26) = -1 EBADF (Bad file descriptor) [pid 3875] close(27) = -1 EBADF (Bad file descriptor) [pid 3875] close(28) = -1 EBADF (Bad file descriptor) [pid 3875] close(29) = -1 EBADF (Bad file descriptor) [pid 3875] exit_group(0) = ? [pid 3875] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./269/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./269/binderfs") = 0 [pid 3605] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./269/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./269/cgroup") = 0 [pid 3605] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./269/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./269/cgroup.net") = 0 [pid 3605] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./269/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./269/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./269") = 0 [pid 3605] mkdir("./270", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3876 attached [pid 3876] chdir("./270" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 272 [pid 3876] <... chdir resumed>) = 0 [pid 3876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3876] setpgid(0, 0) = 0 [pid 3876] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3876] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3876] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3876] write(3, "1000", 4) = 4 [pid 3876] close(3) = 0 [pid 3876] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3876] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3876] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3876] openat(3, "freezer.state", O_RDWR) = 4 [pid 3876] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3876] close(3) = 0 [pid 3876] close(4) = 0 [pid 3876] close(5) = -1 EBADF (Bad file descriptor) [pid 3876] close(6) = -1 EBADF (Bad file descriptor) [pid 3876] close(7) = -1 EBADF (Bad file descriptor) [pid 3876] close(8) = -1 EBADF (Bad file descriptor) [pid 3876] close(9) = -1 EBADF (Bad file descriptor) [pid 3876] close(10) = -1 EBADF (Bad file descriptor) [pid 3876] close(11) = -1 EBADF (Bad file descriptor) [pid 3876] close(12) = -1 EBADF (Bad file descriptor) [pid 3876] close(13) = -1 EBADF (Bad file descriptor) [pid 3876] close(14) = -1 EBADF (Bad file descriptor) [pid 3876] close(15) = -1 EBADF (Bad file descriptor) [pid 3876] close(16) = -1 EBADF (Bad file descriptor) [pid 3876] close(17) = -1 EBADF (Bad file descriptor) [pid 3876] close(18) = -1 EBADF (Bad file descriptor) [pid 3876] close(19) = -1 EBADF (Bad file descriptor) [pid 3876] close(20) = -1 EBADF (Bad file descriptor) [pid 3876] close(21) = -1 EBADF (Bad file descriptor) [pid 3876] close(22) = -1 EBADF (Bad file descriptor) [pid 3876] close(23) = -1 EBADF (Bad file descriptor) [pid 3876] close(24) = -1 EBADF (Bad file descriptor) [pid 3876] close(25) = -1 EBADF (Bad file descriptor) [pid 3876] close(26) = -1 EBADF (Bad file descriptor) [pid 3876] close(27) = -1 EBADF (Bad file descriptor) [pid 3876] close(28) = -1 EBADF (Bad file descriptor) [pid 3876] close(29) = -1 EBADF (Bad file descriptor) [pid 3876] exit_group(0) = ? [pid 3876] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./270/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./270/binderfs") = 0 [pid 3605] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./270/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./270/cgroup") = 0 [pid 3605] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./270/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./270/cgroup.net") = 0 [pid 3605] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./270/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./270/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./270") = 0 [pid 3605] mkdir("./271", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3877 attached [pid 3877] chdir("./271") = 0 [pid 3877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3877] setpgid(0, 0) = 0 [pid 3877] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 273 [pid 3877] <... symlink resumed>) = 0 [pid 3877] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3877] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3877] write(3, "1000", 4) = 4 [pid 3877] close(3) = 0 [pid 3877] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3877] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3877] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3877] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3877] openat(3, "freezer.state", O_RDWR) = 4 [pid 3877] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3877] close(3) = 0 [pid 3877] close(4) = 0 [pid 3877] close(5) = -1 EBADF (Bad file descriptor) [pid 3877] close(6) = -1 EBADF (Bad file descriptor) [pid 3877] close(7) = -1 EBADF (Bad file descriptor) [pid 3877] close(8) = -1 EBADF (Bad file descriptor) [pid 3877] close(9) = -1 EBADF (Bad file descriptor) [pid 3877] close(10) = -1 EBADF (Bad file descriptor) [pid 3877] close(11) = -1 EBADF (Bad file descriptor) [pid 3877] close(12) = -1 EBADF (Bad file descriptor) [pid 3877] close(13) = -1 EBADF (Bad file descriptor) [pid 3877] close(14) = -1 EBADF (Bad file descriptor) [pid 3877] close(15) = -1 EBADF (Bad file descriptor) [pid 3877] close(16) = -1 EBADF (Bad file descriptor) [pid 3877] close(17) = -1 EBADF (Bad file descriptor) [pid 3877] close(18) = -1 EBADF (Bad file descriptor) [pid 3877] close(19) = -1 EBADF (Bad file descriptor) [pid 3877] close(20) = -1 EBADF (Bad file descriptor) [pid 3877] close(21) = -1 EBADF (Bad file descriptor) [pid 3877] close(22) = -1 EBADF (Bad file descriptor) [pid 3877] close(23) = -1 EBADF (Bad file descriptor) [pid 3877] close(24) = -1 EBADF (Bad file descriptor) [pid 3877] close(25) = -1 EBADF (Bad file descriptor) [pid 3877] close(26) = -1 EBADF (Bad file descriptor) [pid 3877] close(27) = -1 EBADF (Bad file descriptor) [pid 3877] close(28) = -1 EBADF (Bad file descriptor) [pid 3877] close(29) = -1 EBADF (Bad file descriptor) [pid 3877] exit_group(0) = ? [pid 3877] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./271/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./271/binderfs") = 0 [pid 3605] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./271/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./271/cgroup") = 0 [pid 3605] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./271/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./271/cgroup.net") = 0 [pid 3605] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./271/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./271/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./271") = 0 [pid 3605] mkdir("./272", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3878 attached [pid 3878] chdir("./272") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 274 [pid 3878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3878] setpgid(0, 0) = 0 [pid 3878] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3878] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3878] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3878] write(3, "1000", 4) = 4 [pid 3878] close(3) = 0 [pid 3878] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3878] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3878] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3878] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3878] openat(3, "freezer.state", O_RDWR) = 4 [pid 3878] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3878] close(3) = 0 [pid 3878] close(4) = 0 [pid 3878] close(5) = -1 EBADF (Bad file descriptor) [pid 3878] close(6) = -1 EBADF (Bad file descriptor) [pid 3878] close(7) = -1 EBADF (Bad file descriptor) [pid 3878] close(8) = -1 EBADF (Bad file descriptor) [pid 3878] close(9) = -1 EBADF (Bad file descriptor) [pid 3878] close(10) = -1 EBADF (Bad file descriptor) [pid 3878] close(11) = -1 EBADF (Bad file descriptor) [pid 3878] close(12) = -1 EBADF (Bad file descriptor) [pid 3878] close(13) = -1 EBADF (Bad file descriptor) [pid 3878] close(14) = -1 EBADF (Bad file descriptor) [pid 3878] close(15) = -1 EBADF (Bad file descriptor) [pid 3878] close(16) = -1 EBADF (Bad file descriptor) [pid 3878] close(17) = -1 EBADF (Bad file descriptor) [pid 3878] close(18) = -1 EBADF (Bad file descriptor) [pid 3878] close(19) = -1 EBADF (Bad file descriptor) [pid 3878] close(20) = -1 EBADF (Bad file descriptor) [pid 3878] close(21) = -1 EBADF (Bad file descriptor) [pid 3878] close(22) = -1 EBADF (Bad file descriptor) [pid 3878] close(23) = -1 EBADF (Bad file descriptor) [pid 3878] close(24) = -1 EBADF (Bad file descriptor) [pid 3878] close(25) = -1 EBADF (Bad file descriptor) [pid 3878] close(26) = -1 EBADF (Bad file descriptor) [pid 3878] close(27) = -1 EBADF (Bad file descriptor) [pid 3878] close(28) = -1 EBADF (Bad file descriptor) [pid 3878] close(29) = -1 EBADF (Bad file descriptor) [pid 3878] exit_group(0) = ? [pid 3878] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./272/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./272/binderfs") = 0 [pid 3605] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./272/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./272/cgroup") = 0 [pid 3605] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./272/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./272/cgroup.net") = 0 [pid 3605] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./272/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./272/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./272") = 0 [pid 3605] mkdir("./273", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3879 attached , child_tidptr=0x555556c0f5d0) = 275 [pid 3879] chdir("./273") = 0 [pid 3879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3879] setpgid(0, 0) = 0 [pid 3879] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3879] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3879] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3879] write(3, "1000", 4) = 4 [pid 3879] close(3) = 0 [pid 3879] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3879] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3879] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3879] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3879] openat(3, "freezer.state", O_RDWR) = 4 [pid 3879] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3879] close(3) = 0 [pid 3879] close(4) = 0 [pid 3879] close(5) = -1 EBADF (Bad file descriptor) [pid 3879] close(6) = -1 EBADF (Bad file descriptor) [pid 3879] close(7) = -1 EBADF (Bad file descriptor) [pid 3879] close(8) = -1 EBADF (Bad file descriptor) [pid 3879] close(9) = -1 EBADF (Bad file descriptor) [pid 3879] close(10) = -1 EBADF (Bad file descriptor) [pid 3879] close(11) = -1 EBADF (Bad file descriptor) [pid 3879] close(12) = -1 EBADF (Bad file descriptor) [pid 3879] close(13) = -1 EBADF (Bad file descriptor) [pid 3879] close(14) = -1 EBADF (Bad file descriptor) [pid 3879] close(15) = -1 EBADF (Bad file descriptor) [pid 3879] close(16) = -1 EBADF (Bad file descriptor) [pid 3879] close(17) = -1 EBADF (Bad file descriptor) [pid 3879] close(18) = -1 EBADF (Bad file descriptor) [pid 3879] close(19) = -1 EBADF (Bad file descriptor) [pid 3879] close(20) = -1 EBADF (Bad file descriptor) [pid 3879] close(21) = -1 EBADF (Bad file descriptor) [pid 3879] close(22) = -1 EBADF (Bad file descriptor) [pid 3879] close(23) = -1 EBADF (Bad file descriptor) [pid 3879] close(24) = -1 EBADF (Bad file descriptor) [pid 3879] close(25) = -1 EBADF (Bad file descriptor) [pid 3879] close(26) = -1 EBADF (Bad file descriptor) [pid 3879] close(27) = -1 EBADF (Bad file descriptor) [pid 3879] close(28) = -1 EBADF (Bad file descriptor) [pid 3879] close(29) = -1 EBADF (Bad file descriptor) [pid 3879] exit_group(0) = ? [pid 3879] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./273/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./273/binderfs") = 0 [pid 3605] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./273/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./273/cgroup") = 0 [pid 3605] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./273/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./273/cgroup.net") = 0 [pid 3605] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./273/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./273/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./273") = 0 [pid 3605] mkdir("./274", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3880 attached [pid 3880] chdir("./274") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 276 [pid 3880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3880] setpgid(0, 0) = 0 [pid 3880] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3880] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3880] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3880] write(3, "1000", 4) = 4 [pid 3880] close(3) = 0 [pid 3880] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3880] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3880] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3880] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3880] openat(3, "freezer.state", O_RDWR) = 4 [pid 3880] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3880] close(3) = 0 [pid 3880] close(4) = 0 [pid 3880] close(5) = -1 EBADF (Bad file descriptor) [pid 3880] close(6) = -1 EBADF (Bad file descriptor) [pid 3880] close(7) = -1 EBADF (Bad file descriptor) [pid 3880] close(8) = -1 EBADF (Bad file descriptor) [pid 3880] close(9) = -1 EBADF (Bad file descriptor) [pid 3880] close(10) = -1 EBADF (Bad file descriptor) [pid 3880] close(11) = -1 EBADF (Bad file descriptor) [pid 3880] close(12) = -1 EBADF (Bad file descriptor) [pid 3880] close(13) = -1 EBADF (Bad file descriptor) [pid 3880] close(14) = -1 EBADF (Bad file descriptor) [pid 3880] close(15) = -1 EBADF (Bad file descriptor) [pid 3880] close(16) = -1 EBADF (Bad file descriptor) [pid 3880] close(17) = -1 EBADF (Bad file descriptor) [pid 3880] close(18) = -1 EBADF (Bad file descriptor) [pid 3880] close(19) = -1 EBADF (Bad file descriptor) [pid 3880] close(20) = -1 EBADF (Bad file descriptor) [pid 3880] close(21) = -1 EBADF (Bad file descriptor) [pid 3880] close(22) = -1 EBADF (Bad file descriptor) [pid 3880] close(23) = -1 EBADF (Bad file descriptor) [pid 3880] close(24) = -1 EBADF (Bad file descriptor) [pid 3880] close(25) = -1 EBADF (Bad file descriptor) [pid 3880] close(26) = -1 EBADF (Bad file descriptor) [pid 3880] close(27) = -1 EBADF (Bad file descriptor) [pid 3880] close(28) = -1 EBADF (Bad file descriptor) [pid 3880] close(29) = -1 EBADF (Bad file descriptor) [pid 3880] exit_group(0) = ? [pid 3880] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./274/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./274/binderfs") = 0 [pid 3605] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./274/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./274/cgroup") = 0 [pid 3605] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./274/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./274/cgroup.net") = 0 [pid 3605] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./274/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./274/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./274") = 0 [pid 3605] mkdir("./275", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3881 attached , child_tidptr=0x555556c0f5d0) = 277 [pid 3881] chdir("./275") = 0 [pid 3881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3881] setpgid(0, 0) = 0 [pid 3881] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3881] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3881] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3881] write(3, "1000", 4) = 4 [pid 3881] close(3) = 0 [pid 3881] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3881] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3881] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3881] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3881] openat(3, "freezer.state", O_RDWR) = 4 [pid 3881] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3881] close(3) = 0 [pid 3881] close(4) = 0 [pid 3881] close(5) = -1 EBADF (Bad file descriptor) [pid 3881] close(6) = -1 EBADF (Bad file descriptor) [pid 3881] close(7) = -1 EBADF (Bad file descriptor) [pid 3881] close(8) = -1 EBADF (Bad file descriptor) [pid 3881] close(9) = -1 EBADF (Bad file descriptor) [pid 3881] close(10) = -1 EBADF (Bad file descriptor) [pid 3881] close(11) = -1 EBADF (Bad file descriptor) [pid 3881] close(12) = -1 EBADF (Bad file descriptor) [pid 3881] close(13) = -1 EBADF (Bad file descriptor) [pid 3881] close(14) = -1 EBADF (Bad file descriptor) [pid 3881] close(15) = -1 EBADF (Bad file descriptor) [pid 3881] close(16) = -1 EBADF (Bad file descriptor) [pid 3881] close(17) = -1 EBADF (Bad file descriptor) [pid 3881] close(18) = -1 EBADF (Bad file descriptor) [pid 3881] close(19) = -1 EBADF (Bad file descriptor) [pid 3881] close(20) = -1 EBADF (Bad file descriptor) [pid 3881] close(21) = -1 EBADF (Bad file descriptor) [pid 3881] close(22) = -1 EBADF (Bad file descriptor) [pid 3881] close(23) = -1 EBADF (Bad file descriptor) [pid 3881] close(24) = -1 EBADF (Bad file descriptor) [pid 3881] close(25) = -1 EBADF (Bad file descriptor) [pid 3881] close(26) = -1 EBADF (Bad file descriptor) [pid 3881] close(27) = -1 EBADF (Bad file descriptor) [pid 3881] close(28) = -1 EBADF (Bad file descriptor) [pid 3881] close(29) = -1 EBADF (Bad file descriptor) [pid 3881] exit_group(0) = ? [pid 3881] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./275/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./275/binderfs") = 0 [pid 3605] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./275/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./275/cgroup") = 0 [pid 3605] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./275/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./275/cgroup.net") = 0 [pid 3605] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./275/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./275/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./275") = 0 [pid 3605] mkdir("./276", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 278 ./strace-static-x86_64: Process 3882 attached [pid 3882] chdir("./276") = 0 [pid 3882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3882] setpgid(0, 0) = 0 [pid 3882] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3882] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3882] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3882] write(3, "1000", 4) = 4 [pid 3882] close(3) = 0 [pid 3882] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3882] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3882] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3882] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3882] openat(3, "freezer.state", O_RDWR) = 4 [pid 3882] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3882] close(3) = 0 [pid 3882] close(4) = 0 [pid 3882] close(5) = -1 EBADF (Bad file descriptor) [pid 3882] close(6) = -1 EBADF (Bad file descriptor) [pid 3882] close(7) = -1 EBADF (Bad file descriptor) [pid 3882] close(8) = -1 EBADF (Bad file descriptor) [pid 3882] close(9) = -1 EBADF (Bad file descriptor) [pid 3882] close(10) = -1 EBADF (Bad file descriptor) [pid 3882] close(11) = -1 EBADF (Bad file descriptor) [pid 3882] close(12) = -1 EBADF (Bad file descriptor) [pid 3882] close(13) = -1 EBADF (Bad file descriptor) [pid 3882] close(14) = -1 EBADF (Bad file descriptor) [pid 3882] close(15) = -1 EBADF (Bad file descriptor) [pid 3882] close(16) = -1 EBADF (Bad file descriptor) [pid 3882] close(17) = -1 EBADF (Bad file descriptor) [pid 3882] close(18) = -1 EBADF (Bad file descriptor) [pid 3882] close(19) = -1 EBADF (Bad file descriptor) [pid 3882] close(20) = -1 EBADF (Bad file descriptor) [pid 3882] close(21) = -1 EBADF (Bad file descriptor) [pid 3882] close(22) = -1 EBADF (Bad file descriptor) [pid 3882] close(23) = -1 EBADF (Bad file descriptor) [pid 3882] close(24) = -1 EBADF (Bad file descriptor) [pid 3882] close(25) = -1 EBADF (Bad file descriptor) [pid 3882] close(26) = -1 EBADF (Bad file descriptor) [pid 3882] close(27) = -1 EBADF (Bad file descriptor) [pid 3882] close(28) = -1 EBADF (Bad file descriptor) [pid 3882] close(29) = -1 EBADF (Bad file descriptor) [pid 3882] exit_group(0) = ? [pid 3882] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./276/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./276/binderfs") = 0 [pid 3605] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./276/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./276/cgroup") = 0 [pid 3605] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./276/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./276/cgroup.net") = 0 [pid 3605] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./276/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./276/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./276") = 0 [pid 3605] mkdir("./277", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3883 attached [pid 3883] chdir("./277") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 279 [pid 3883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3883] setpgid(0, 0) = 0 [pid 3883] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3883] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3883] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3883] write(3, "1000", 4) = 4 [pid 3883] close(3) = 0 [pid 3883] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3883] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3883] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3883] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3883] openat(3, "freezer.state", O_RDWR) = 4 [pid 3883] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3883] close(3) = 0 [pid 3883] close(4) = 0 [pid 3883] close(5) = -1 EBADF (Bad file descriptor) [pid 3883] close(6) = -1 EBADF (Bad file descriptor) [pid 3883] close(7) = -1 EBADF (Bad file descriptor) [pid 3883] close(8) = -1 EBADF (Bad file descriptor) [pid 3883] close(9) = -1 EBADF (Bad file descriptor) [pid 3883] close(10) = -1 EBADF (Bad file descriptor) [pid 3883] close(11) = -1 EBADF (Bad file descriptor) [pid 3883] close(12) = -1 EBADF (Bad file descriptor) [pid 3883] close(13) = -1 EBADF (Bad file descriptor) [pid 3883] close(14) = -1 EBADF (Bad file descriptor) [pid 3883] close(15) = -1 EBADF (Bad file descriptor) [pid 3883] close(16) = -1 EBADF (Bad file descriptor) [pid 3883] close(17) = -1 EBADF (Bad file descriptor) [pid 3883] close(18) = -1 EBADF (Bad file descriptor) [pid 3883] close(19) = -1 EBADF (Bad file descriptor) [pid 3883] close(20) = -1 EBADF (Bad file descriptor) [pid 3883] close(21) = -1 EBADF (Bad file descriptor) [pid 3883] close(22) = -1 EBADF (Bad file descriptor) [pid 3883] close(23) = -1 EBADF (Bad file descriptor) [pid 3883] close(24) = -1 EBADF (Bad file descriptor) [pid 3883] close(25) = -1 EBADF (Bad file descriptor) [pid 3883] close(26) = -1 EBADF (Bad file descriptor) [pid 3883] close(27) = -1 EBADF (Bad file descriptor) [pid 3883] close(28) = -1 EBADF (Bad file descriptor) [pid 3883] close(29) = -1 EBADF (Bad file descriptor) [pid 3883] exit_group(0) = ? [pid 3883] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./277/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./277/binderfs") = 0 [pid 3605] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./277/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./277/cgroup") = 0 [pid 3605] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./277/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./277/cgroup.net") = 0 [pid 3605] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./277/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./277/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./277") = 0 [pid 3605] mkdir("./278", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3884 attached , child_tidptr=0x555556c0f5d0) = 280 [pid 3884] chdir("./278") = 0 [pid 3884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3884] setpgid(0, 0) = 0 [pid 3884] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3884] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3884] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3884] write(3, "1000", 4) = 4 [pid 3884] close(3) = 0 [pid 3884] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3884] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3884] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3884] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3884] openat(3, "freezer.state", O_RDWR) = 4 [pid 3884] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3884] close(3) = 0 [pid 3884] close(4) = 0 [pid 3884] close(5) = -1 EBADF (Bad file descriptor) [pid 3884] close(6) = -1 EBADF (Bad file descriptor) [pid 3884] close(7) = -1 EBADF (Bad file descriptor) [pid 3884] close(8) = -1 EBADF (Bad file descriptor) [pid 3884] close(9) = -1 EBADF (Bad file descriptor) [pid 3884] close(10) = -1 EBADF (Bad file descriptor) [pid 3884] close(11) = -1 EBADF (Bad file descriptor) [pid 3884] close(12) = -1 EBADF (Bad file descriptor) [pid 3884] close(13) = -1 EBADF (Bad file descriptor) [pid 3884] close(14) = -1 EBADF (Bad file descriptor) [pid 3884] close(15) = -1 EBADF (Bad file descriptor) [pid 3884] close(16) = -1 EBADF (Bad file descriptor) [pid 3884] close(17) = -1 EBADF (Bad file descriptor) [pid 3884] close(18) = -1 EBADF (Bad file descriptor) [pid 3884] close(19) = -1 EBADF (Bad file descriptor) [pid 3884] close(20) = -1 EBADF (Bad file descriptor) [pid 3884] close(21) = -1 EBADF (Bad file descriptor) [pid 3884] close(22) = -1 EBADF (Bad file descriptor) [pid 3884] close(23) = -1 EBADF (Bad file descriptor) [pid 3884] close(24) = -1 EBADF (Bad file descriptor) [pid 3884] close(25) = -1 EBADF (Bad file descriptor) [pid 3884] close(26) = -1 EBADF (Bad file descriptor) [pid 3884] close(27) = -1 EBADF (Bad file descriptor) [pid 3884] close(28) = -1 EBADF (Bad file descriptor) [pid 3884] close(29) = -1 EBADF (Bad file descriptor) [pid 3884] exit_group(0) = ? [pid 3884] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./278/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./278/binderfs") = 0 [pid 3605] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./278/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./278/cgroup") = 0 [pid 3605] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./278/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./278/cgroup.net") = 0 [pid 3605] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./278/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./278/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./278") = 0 [pid 3605] mkdir("./279", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3885 attached [pid 3885] chdir("./279") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 281 [pid 3885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3885] setpgid(0, 0) = 0 [pid 3885] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3885] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3885] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3885] write(3, "1000", 4) = 4 [pid 3885] close(3) = 0 [pid 3885] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3885] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3885] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3885] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3885] openat(3, "freezer.state", O_RDWR) = 4 [pid 3885] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3885] close(3) = 0 [pid 3885] close(4) = 0 [pid 3885] close(5) = -1 EBADF (Bad file descriptor) [pid 3885] close(6) = -1 EBADF (Bad file descriptor) [pid 3885] close(7) = -1 EBADF (Bad file descriptor) [pid 3885] close(8) = -1 EBADF (Bad file descriptor) [pid 3885] close(9) = -1 EBADF (Bad file descriptor) [pid 3885] close(10) = -1 EBADF (Bad file descriptor) [pid 3885] close(11) = -1 EBADF (Bad file descriptor) [pid 3885] close(12) = -1 EBADF (Bad file descriptor) [pid 3885] close(13) = -1 EBADF (Bad file descriptor) [pid 3885] close(14) = -1 EBADF (Bad file descriptor) [pid 3885] close(15) = -1 EBADF (Bad file descriptor) [pid 3885] close(16) = -1 EBADF (Bad file descriptor) [pid 3885] close(17) = -1 EBADF (Bad file descriptor) [pid 3885] close(18) = -1 EBADF (Bad file descriptor) [pid 3885] close(19) = -1 EBADF (Bad file descriptor) [pid 3885] close(20) = -1 EBADF (Bad file descriptor) [pid 3885] close(21) = -1 EBADF (Bad file descriptor) [pid 3885] close(22) = -1 EBADF (Bad file descriptor) [pid 3885] close(23) = -1 EBADF (Bad file descriptor) [pid 3885] close(24) = -1 EBADF (Bad file descriptor) [pid 3885] close(25) = -1 EBADF (Bad file descriptor) [pid 3885] close(26) = -1 EBADF (Bad file descriptor) [pid 3885] close(27) = -1 EBADF (Bad file descriptor) [pid 3885] close(28) = -1 EBADF (Bad file descriptor) [pid 3885] close(29) = -1 EBADF (Bad file descriptor) [pid 3885] exit_group(0) = ? [pid 3885] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./279/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./279/binderfs") = 0 [pid 3605] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./279/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./279/cgroup") = 0 [pid 3605] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./279/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./279/cgroup.net") = 0 [pid 3605] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./279/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./279/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./279") = 0 [pid 3605] mkdir("./280", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 282 ./strace-static-x86_64: Process 3886 attached [pid 3886] chdir("./280") = 0 [pid 3886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3886] setpgid(0, 0) = 0 [pid 3886] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3886] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3886] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3886] write(3, "1000", 4) = 4 [pid 3886] close(3) = 0 [pid 3886] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3886] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3886] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3886] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3886] openat(3, "freezer.state", O_RDWR) = 4 [pid 3886] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3886] close(3) = 0 [pid 3886] close(4) = 0 [pid 3886] close(5) = -1 EBADF (Bad file descriptor) [pid 3886] close(6) = -1 EBADF (Bad file descriptor) [pid 3886] close(7) = -1 EBADF (Bad file descriptor) [pid 3886] close(8) = -1 EBADF (Bad file descriptor) [pid 3886] close(9) = -1 EBADF (Bad file descriptor) [pid 3886] close(10) = -1 EBADF (Bad file descriptor) [pid 3886] close(11) = -1 EBADF (Bad file descriptor) [pid 3886] close(12) = -1 EBADF (Bad file descriptor) [pid 3886] close(13) = -1 EBADF (Bad file descriptor) [pid 3886] close(14) = -1 EBADF (Bad file descriptor) [pid 3886] close(15) = -1 EBADF (Bad file descriptor) [pid 3886] close(16) = -1 EBADF (Bad file descriptor) [pid 3886] close(17) = -1 EBADF (Bad file descriptor) [pid 3886] close(18) = -1 EBADF (Bad file descriptor) [pid 3886] close(19) = -1 EBADF (Bad file descriptor) [pid 3886] close(20) = -1 EBADF (Bad file descriptor) [pid 3886] close(21) = -1 EBADF (Bad file descriptor) [pid 3886] close(22) = -1 EBADF (Bad file descriptor) [pid 3886] close(23) = -1 EBADF (Bad file descriptor) [pid 3886] close(24) = -1 EBADF (Bad file descriptor) [pid 3886] close(25) = -1 EBADF (Bad file descriptor) [pid 3886] close(26) = -1 EBADF (Bad file descriptor) [pid 3886] close(27) = -1 EBADF (Bad file descriptor) [pid 3886] close(28) = -1 EBADF (Bad file descriptor) [pid 3886] close(29) = -1 EBADF (Bad file descriptor) [pid 3886] exit_group(0) = ? [pid 3886] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./280/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./280/binderfs") = 0 [pid 3605] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./280/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./280/cgroup") = 0 [pid 3605] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./280/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./280/cgroup.net") = 0 [pid 3605] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./280/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./280/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./280") = 0 [pid 3605] mkdir("./281", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3887 attached [pid 3887] chdir("./281" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 283 [pid 3887] <... chdir resumed>) = 0 [pid 3887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3887] setpgid(0, 0) = 0 [pid 3887] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3887] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3887] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3887] write(3, "1000", 4) = 4 [pid 3887] close(3) = 0 [pid 3887] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3887] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3887] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3887] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3887] openat(3, "freezer.state", O_RDWR) = 4 [pid 3887] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3887] close(3) = 0 [pid 3887] close(4) = 0 [pid 3887] close(5) = -1 EBADF (Bad file descriptor) [pid 3887] close(6) = -1 EBADF (Bad file descriptor) [pid 3887] close(7) = -1 EBADF (Bad file descriptor) [pid 3887] close(8) = -1 EBADF (Bad file descriptor) [pid 3887] close(9) = -1 EBADF (Bad file descriptor) [pid 3887] close(10) = -1 EBADF (Bad file descriptor) [pid 3887] close(11) = -1 EBADF (Bad file descriptor) [pid 3887] close(12) = -1 EBADF (Bad file descriptor) [pid 3887] close(13) = -1 EBADF (Bad file descriptor) [pid 3887] close(14) = -1 EBADF (Bad file descriptor) [pid 3887] close(15) = -1 EBADF (Bad file descriptor) [pid 3887] close(16) = -1 EBADF (Bad file descriptor) [pid 3887] close(17) = -1 EBADF (Bad file descriptor) [pid 3887] close(18) = -1 EBADF (Bad file descriptor) [pid 3887] close(19) = -1 EBADF (Bad file descriptor) [pid 3887] close(20) = -1 EBADF (Bad file descriptor) [pid 3887] close(21) = -1 EBADF (Bad file descriptor) [pid 3887] close(22) = -1 EBADF (Bad file descriptor) [pid 3887] close(23) = -1 EBADF (Bad file descriptor) [pid 3887] close(24) = -1 EBADF (Bad file descriptor) [pid 3887] close(25) = -1 EBADF (Bad file descriptor) [pid 3887] close(26) = -1 EBADF (Bad file descriptor) [pid 3887] close(27) = -1 EBADF (Bad file descriptor) [pid 3887] close(28) = -1 EBADF (Bad file descriptor) [pid 3887] close(29) = -1 EBADF (Bad file descriptor) [pid 3887] exit_group(0) = ? [pid 3887] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./281/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./281/binderfs") = 0 [pid 3605] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./281/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./281/cgroup") = 0 [pid 3605] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./281/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./281/cgroup.net") = 0 [pid 3605] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./281/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./281/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./281") = 0 [pid 3605] mkdir("./282", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3888 attached [pid 3888] chdir("./282") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 284 [pid 3888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3888] setpgid(0, 0) = 0 [pid 3888] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3888] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3888] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3888] write(3, "1000", 4) = 4 [pid 3888] close(3) = 0 [pid 3888] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3888] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3888] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3888] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3888] openat(3, "freezer.state", O_RDWR) = 4 [pid 3888] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3888] close(3) = 0 [pid 3888] close(4) = 0 [pid 3888] close(5) = -1 EBADF (Bad file descriptor) [pid 3888] close(6) = -1 EBADF (Bad file descriptor) [pid 3888] close(7) = -1 EBADF (Bad file descriptor) [pid 3888] close(8) = -1 EBADF (Bad file descriptor) [pid 3888] close(9) = -1 EBADF (Bad file descriptor) [pid 3888] close(10) = -1 EBADF (Bad file descriptor) [pid 3888] close(11) = -1 EBADF (Bad file descriptor) [pid 3888] close(12) = -1 EBADF (Bad file descriptor) [pid 3888] close(13) = -1 EBADF (Bad file descriptor) [pid 3888] close(14) = -1 EBADF (Bad file descriptor) [pid 3888] close(15) = -1 EBADF (Bad file descriptor) [pid 3888] close(16) = -1 EBADF (Bad file descriptor) [pid 3888] close(17) = -1 EBADF (Bad file descriptor) [pid 3888] close(18) = -1 EBADF (Bad file descriptor) [pid 3888] close(19) = -1 EBADF (Bad file descriptor) [pid 3888] close(20) = -1 EBADF (Bad file descriptor) [pid 3888] close(21) = -1 EBADF (Bad file descriptor) [pid 3888] close(22) = -1 EBADF (Bad file descriptor) [pid 3888] close(23) = -1 EBADF (Bad file descriptor) [pid 3888] close(24) = -1 EBADF (Bad file descriptor) [pid 3888] close(25) = -1 EBADF (Bad file descriptor) [pid 3888] close(26) = -1 EBADF (Bad file descriptor) [pid 3888] close(27) = -1 EBADF (Bad file descriptor) [pid 3888] close(28) = -1 EBADF (Bad file descriptor) [pid 3888] close(29) = -1 EBADF (Bad file descriptor) [pid 3888] exit_group(0) = ? [pid 3888] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./282/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./282/binderfs") = 0 [pid 3605] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./282/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./282/cgroup") = 0 [pid 3605] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./282/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./282/cgroup.net") = 0 [pid 3605] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./282/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./282/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./282") = 0 [pid 3605] mkdir("./283", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3889 attached [pid 3889] chdir("./283") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 285 [pid 3889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3889] setpgid(0, 0) = 0 [pid 3889] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3889] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3889] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3889] write(3, "1000", 4) = 4 [pid 3889] close(3) = 0 [pid 3889] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3889] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3889] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3889] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3889] openat(3, "freezer.state", O_RDWR) = 4 [pid 3889] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3889] close(3) = 0 [pid 3889] close(4) = 0 [pid 3889] close(5) = -1 EBADF (Bad file descriptor) [pid 3889] close(6) = -1 EBADF (Bad file descriptor) [pid 3889] close(7) = -1 EBADF (Bad file descriptor) [pid 3889] close(8) = -1 EBADF (Bad file descriptor) [pid 3889] close(9) = -1 EBADF (Bad file descriptor) [pid 3889] close(10) = -1 EBADF (Bad file descriptor) [pid 3889] close(11) = -1 EBADF (Bad file descriptor) [pid 3889] close(12) = -1 EBADF (Bad file descriptor) [pid 3889] close(13) = -1 EBADF (Bad file descriptor) [pid 3889] close(14) = -1 EBADF (Bad file descriptor) [pid 3889] close(15) = -1 EBADF (Bad file descriptor) [pid 3889] close(16) = -1 EBADF (Bad file descriptor) [pid 3889] close(17) = -1 EBADF (Bad file descriptor) [pid 3889] close(18) = -1 EBADF (Bad file descriptor) [pid 3889] close(19) = -1 EBADF (Bad file descriptor) [pid 3889] close(20) = -1 EBADF (Bad file descriptor) [pid 3889] close(21) = -1 EBADF (Bad file descriptor) [pid 3889] close(22) = -1 EBADF (Bad file descriptor) [pid 3889] close(23) = -1 EBADF (Bad file descriptor) [pid 3889] close(24) = -1 EBADF (Bad file descriptor) [pid 3889] close(25) = -1 EBADF (Bad file descriptor) [pid 3889] close(26) = -1 EBADF (Bad file descriptor) [pid 3889] close(27) = -1 EBADF (Bad file descriptor) [pid 3889] close(28) = -1 EBADF (Bad file descriptor) [pid 3889] close(29) = -1 EBADF (Bad file descriptor) [pid 3889] exit_group(0) = ? [pid 3889] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./283/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./283/binderfs") = 0 [pid 3605] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./283/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./283/cgroup") = 0 [pid 3605] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./283/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./283/cgroup.net") = 0 [pid 3605] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./283/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./283/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./283") = 0 [pid 3605] mkdir("./284", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3890 attached [pid 3890] chdir("./284") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 286 [pid 3890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3890] setpgid(0, 0) = 0 [pid 3890] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3890] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3890] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3890] write(3, "1000", 4) = 4 [pid 3890] close(3) = 0 [pid 3890] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3890] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3890] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3890] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3890] openat(3, "freezer.state", O_RDWR) = 4 [pid 3890] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3890] close(3) = 0 [pid 3890] close(4) = 0 [pid 3890] close(5) = -1 EBADF (Bad file descriptor) [pid 3890] close(6) = -1 EBADF (Bad file descriptor) [pid 3890] close(7) = -1 EBADF (Bad file descriptor) [pid 3890] close(8) = -1 EBADF (Bad file descriptor) [pid 3890] close(9) = -1 EBADF (Bad file descriptor) [pid 3890] close(10) = -1 EBADF (Bad file descriptor) [pid 3890] close(11) = -1 EBADF (Bad file descriptor) [pid 3890] close(12) = -1 EBADF (Bad file descriptor) [pid 3890] close(13) = -1 EBADF (Bad file descriptor) [pid 3890] close(14) = -1 EBADF (Bad file descriptor) [pid 3890] close(15) = -1 EBADF (Bad file descriptor) [pid 3890] close(16) = -1 EBADF (Bad file descriptor) [pid 3890] close(17) = -1 EBADF (Bad file descriptor) [pid 3890] close(18) = -1 EBADF (Bad file descriptor) [pid 3890] close(19) = -1 EBADF (Bad file descriptor) [pid 3890] close(20) = -1 EBADF (Bad file descriptor) [pid 3890] close(21) = -1 EBADF (Bad file descriptor) [pid 3890] close(22) = -1 EBADF (Bad file descriptor) [pid 3890] close(23) = -1 EBADF (Bad file descriptor) [pid 3890] close(24) = -1 EBADF (Bad file descriptor) [pid 3890] close(25) = -1 EBADF (Bad file descriptor) [pid 3890] close(26) = -1 EBADF (Bad file descriptor) [pid 3890] close(27) = -1 EBADF (Bad file descriptor) [pid 3890] close(28) = -1 EBADF (Bad file descriptor) [pid 3890] close(29) = -1 EBADF (Bad file descriptor) [pid 3890] exit_group(0) = ? [pid 3890] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./284/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./284/binderfs") = 0 [pid 3605] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./284/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./284/cgroup") = 0 [pid 3605] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./284/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./284/cgroup.net") = 0 [pid 3605] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./284/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./284/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./284") = 0 [pid 3605] mkdir("./285", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3891 attached , child_tidptr=0x555556c0f5d0) = 287 [pid 3891] chdir("./285") = 0 [pid 3891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3891] setpgid(0, 0) = 0 [pid 3891] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3891] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3891] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3891] write(3, "1000", 4) = 4 [pid 3891] close(3) = 0 [pid 3891] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3891] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3891] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3891] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3891] openat(3, "freezer.state", O_RDWR) = 4 [pid 3891] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3891] close(3) = 0 [pid 3891] close(4) = 0 [pid 3891] close(5) = -1 EBADF (Bad file descriptor) [pid 3891] close(6) = -1 EBADF (Bad file descriptor) [pid 3891] close(7) = -1 EBADF (Bad file descriptor) [pid 3891] close(8) = -1 EBADF (Bad file descriptor) [pid 3891] close(9) = -1 EBADF (Bad file descriptor) [pid 3891] close(10) = -1 EBADF (Bad file descriptor) [pid 3891] close(11) = -1 EBADF (Bad file descriptor) [pid 3891] close(12) = -1 EBADF (Bad file descriptor) [pid 3891] close(13) = -1 EBADF (Bad file descriptor) [pid 3891] close(14) = -1 EBADF (Bad file descriptor) [pid 3891] close(15) = -1 EBADF (Bad file descriptor) [pid 3891] close(16) = -1 EBADF (Bad file descriptor) [pid 3891] close(17) = -1 EBADF (Bad file descriptor) [pid 3891] close(18) = -1 EBADF (Bad file descriptor) [pid 3891] close(19) = -1 EBADF (Bad file descriptor) [pid 3891] close(20) = -1 EBADF (Bad file descriptor) [pid 3891] close(21) = -1 EBADF (Bad file descriptor) [pid 3891] close(22) = -1 EBADF (Bad file descriptor) [pid 3891] close(23) = -1 EBADF (Bad file descriptor) [pid 3891] close(24) = -1 EBADF (Bad file descriptor) [pid 3891] close(25) = -1 EBADF (Bad file descriptor) [pid 3891] close(26) = -1 EBADF (Bad file descriptor) [pid 3891] close(27) = -1 EBADF (Bad file descriptor) [pid 3891] close(28) = -1 EBADF (Bad file descriptor) [pid 3891] close(29) = -1 EBADF (Bad file descriptor) [pid 3891] exit_group(0) = ? [pid 3891] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./285/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./285/binderfs") = 0 [pid 3605] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./285/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./285/cgroup") = 0 [pid 3605] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./285/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./285/cgroup.net") = 0 [pid 3605] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./285/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./285/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./285") = 0 [pid 3605] mkdir("./286", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3892 attached , child_tidptr=0x555556c0f5d0) = 288 [pid 3892] chdir("./286") = 0 [pid 3892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3892] setpgid(0, 0) = 0 [pid 3892] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3892] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3892] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3892] write(3, "1000", 4) = 4 [pid 3892] close(3) = 0 [pid 3892] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3892] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3892] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3892] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3892] openat(3, "freezer.state", O_RDWR) = 4 [pid 3892] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3892] close(3) = 0 [pid 3892] close(4) = 0 [pid 3892] close(5) = -1 EBADF (Bad file descriptor) [pid 3892] close(6) = -1 EBADF (Bad file descriptor) [pid 3892] close(7) = -1 EBADF (Bad file descriptor) [pid 3892] close(8) = -1 EBADF (Bad file descriptor) [pid 3892] close(9) = -1 EBADF (Bad file descriptor) [pid 3892] close(10) = -1 EBADF (Bad file descriptor) [pid 3892] close(11) = -1 EBADF (Bad file descriptor) [pid 3892] close(12) = -1 EBADF (Bad file descriptor) [pid 3892] close(13) = -1 EBADF (Bad file descriptor) [pid 3892] close(14) = -1 EBADF (Bad file descriptor) [pid 3892] close(15) = -1 EBADF (Bad file descriptor) [pid 3892] close(16) = -1 EBADF (Bad file descriptor) [pid 3892] close(17) = -1 EBADF (Bad file descriptor) [pid 3892] close(18) = -1 EBADF (Bad file descriptor) [pid 3892] close(19) = -1 EBADF (Bad file descriptor) [pid 3892] close(20) = -1 EBADF (Bad file descriptor) [pid 3892] close(21) = -1 EBADF (Bad file descriptor) [pid 3892] close(22) = -1 EBADF (Bad file descriptor) [pid 3892] close(23) = -1 EBADF (Bad file descriptor) [pid 3892] close(24) = -1 EBADF (Bad file descriptor) [pid 3892] close(25) = -1 EBADF (Bad file descriptor) [pid 3892] close(26) = -1 EBADF (Bad file descriptor) [pid 3892] close(27) = -1 EBADF (Bad file descriptor) [pid 3892] close(28) = -1 EBADF (Bad file descriptor) [pid 3892] close(29) = -1 EBADF (Bad file descriptor) [pid 3892] exit_group(0) = ? [pid 3892] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./286/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./286/binderfs") = 0 [pid 3605] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./286/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./286/cgroup") = 0 [pid 3605] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./286/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./286/cgroup.net") = 0 [pid 3605] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./286/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./286/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./286") = 0 [pid 3605] mkdir("./287", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3893 attached [pid 3893] chdir("./287") = 0 [pid 3893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3893] setpgid(0, 0) = 0 [pid 3893] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 289 [pid 3893] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3893] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3893] write(3, "1000", 4) = 4 [pid 3893] close(3) = 0 [pid 3893] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3893] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3893] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3893] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3893] openat(3, "freezer.state", O_RDWR) = 4 [pid 3893] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3893] close(3) = 0 [pid 3893] close(4) = 0 [pid 3893] close(5) = -1 EBADF (Bad file descriptor) [pid 3893] close(6) = -1 EBADF (Bad file descriptor) [pid 3893] close(7) = -1 EBADF (Bad file descriptor) [pid 3893] close(8) = -1 EBADF (Bad file descriptor) [pid 3893] close(9) = -1 EBADF (Bad file descriptor) [pid 3893] close(10) = -1 EBADF (Bad file descriptor) [pid 3893] close(11) = -1 EBADF (Bad file descriptor) [pid 3893] close(12) = -1 EBADF (Bad file descriptor) [pid 3893] close(13) = -1 EBADF (Bad file descriptor) [pid 3893] close(14) = -1 EBADF (Bad file descriptor) [pid 3893] close(15) = -1 EBADF (Bad file descriptor) [pid 3893] close(16) = -1 EBADF (Bad file descriptor) [pid 3893] close(17) = -1 EBADF (Bad file descriptor) [pid 3893] close(18) = -1 EBADF (Bad file descriptor) [pid 3893] close(19) = -1 EBADF (Bad file descriptor) [pid 3893] close(20) = -1 EBADF (Bad file descriptor) [pid 3893] close(21) = -1 EBADF (Bad file descriptor) [pid 3893] close(22) = -1 EBADF (Bad file descriptor) [pid 3893] close(23) = -1 EBADF (Bad file descriptor) [pid 3893] close(24) = -1 EBADF (Bad file descriptor) [pid 3893] close(25) = -1 EBADF (Bad file descriptor) [pid 3893] close(26) = -1 EBADF (Bad file descriptor) [pid 3893] close(27) = -1 EBADF (Bad file descriptor) [pid 3893] close(28) = -1 EBADF (Bad file descriptor) [pid 3893] close(29) = -1 EBADF (Bad file descriptor) [pid 3893] exit_group(0) = ? [pid 3893] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./287/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./287/binderfs") = 0 [pid 3605] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./287/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./287/cgroup") = 0 [pid 3605] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./287/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./287/cgroup.net") = 0 [pid 3605] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./287/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./287/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./287") = 0 [pid 3605] mkdir("./288", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3894 attached [pid 3894] chdir("./288" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 290 [pid 3894] <... chdir resumed>) = 0 [pid 3894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3894] setpgid(0, 0) = 0 [pid 3894] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3894] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3894] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3894] write(3, "1000", 4) = 4 [pid 3894] close(3) = 0 [pid 3894] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3894] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3894] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3894] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3894] openat(3, "freezer.state", O_RDWR) = 4 [pid 3894] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3894] close(3) = 0 [pid 3894] close(4) = 0 [pid 3894] close(5) = -1 EBADF (Bad file descriptor) [pid 3894] close(6) = -1 EBADF (Bad file descriptor) [pid 3894] close(7) = -1 EBADF (Bad file descriptor) [pid 3894] close(8) = -1 EBADF (Bad file descriptor) [pid 3894] close(9) = -1 EBADF (Bad file descriptor) [pid 3894] close(10) = -1 EBADF (Bad file descriptor) [pid 3894] close(11) = -1 EBADF (Bad file descriptor) [pid 3894] close(12) = -1 EBADF (Bad file descriptor) [pid 3894] close(13) = -1 EBADF (Bad file descriptor) [pid 3894] close(14) = -1 EBADF (Bad file descriptor) [pid 3894] close(15) = -1 EBADF (Bad file descriptor) [pid 3894] close(16) = -1 EBADF (Bad file descriptor) [pid 3894] close(17) = -1 EBADF (Bad file descriptor) [pid 3894] close(18) = -1 EBADF (Bad file descriptor) [pid 3894] close(19) = -1 EBADF (Bad file descriptor) [pid 3894] close(20) = -1 EBADF (Bad file descriptor) [pid 3894] close(21) = -1 EBADF (Bad file descriptor) [pid 3894] close(22) = -1 EBADF (Bad file descriptor) [pid 3894] close(23) = -1 EBADF (Bad file descriptor) [pid 3894] close(24) = -1 EBADF (Bad file descriptor) [pid 3894] close(25) = -1 EBADF (Bad file descriptor) [pid 3894] close(26) = -1 EBADF (Bad file descriptor) [pid 3894] close(27) = -1 EBADF (Bad file descriptor) [pid 3894] close(28) = -1 EBADF (Bad file descriptor) [pid 3894] close(29) = -1 EBADF (Bad file descriptor) [pid 3894] exit_group(0) = ? [pid 3894] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./288/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./288/binderfs") = 0 [pid 3605] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./288/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./288/cgroup") = 0 [pid 3605] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./288/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./288/cgroup.net") = 0 [pid 3605] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./288/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./288/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./288") = 0 [pid 3605] mkdir("./289", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3895 attached [pid 3895] chdir("./289") = 0 [pid 3895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 291 [pid 3895] <... prctl resumed>) = 0 [pid 3895] setpgid(0, 0) = 0 [pid 3895] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3895] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3895] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3895] write(3, "1000", 4) = 4 [pid 3895] close(3) = 0 [pid 3895] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3895] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3895] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3895] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3895] openat(3, "freezer.state", O_RDWR) = 4 [pid 3895] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3895] close(3) = 0 [pid 3895] close(4) = 0 [pid 3895] close(5) = -1 EBADF (Bad file descriptor) [pid 3895] close(6) = -1 EBADF (Bad file descriptor) [pid 3895] close(7) = -1 EBADF (Bad file descriptor) [pid 3895] close(8) = -1 EBADF (Bad file descriptor) [pid 3895] close(9) = -1 EBADF (Bad file descriptor) [pid 3895] close(10) = -1 EBADF (Bad file descriptor) [pid 3895] close(11) = -1 EBADF (Bad file descriptor) [pid 3895] close(12) = -1 EBADF (Bad file descriptor) [pid 3895] close(13) = -1 EBADF (Bad file descriptor) [pid 3895] close(14) = -1 EBADF (Bad file descriptor) [pid 3895] close(15) = -1 EBADF (Bad file descriptor) [pid 3895] close(16) = -1 EBADF (Bad file descriptor) [pid 3895] close(17) = -1 EBADF (Bad file descriptor) [pid 3895] close(18) = -1 EBADF (Bad file descriptor) [pid 3895] close(19) = -1 EBADF (Bad file descriptor) [pid 3895] close(20) = -1 EBADF (Bad file descriptor) [pid 3895] close(21) = -1 EBADF (Bad file descriptor) [pid 3895] close(22) = -1 EBADF (Bad file descriptor) [pid 3895] close(23) = -1 EBADF (Bad file descriptor) [pid 3895] close(24) = -1 EBADF (Bad file descriptor) [pid 3895] close(25) = -1 EBADF (Bad file descriptor) [pid 3895] close(26) = -1 EBADF (Bad file descriptor) [pid 3895] close(27) = -1 EBADF (Bad file descriptor) [pid 3895] close(28) = -1 EBADF (Bad file descriptor) [pid 3895] close(29) = -1 EBADF (Bad file descriptor) [pid 3895] exit_group(0) = ? [pid 3895] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./289/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./289/binderfs") = 0 [pid 3605] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./289/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./289/cgroup") = 0 [pid 3605] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./289/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./289/cgroup.net") = 0 [pid 3605] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./289/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./289/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./289") = 0 [pid 3605] mkdir("./290", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 292 ./strace-static-x86_64: Process 3896 attached [pid 3896] chdir("./290") = 0 [pid 3896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3896] setpgid(0, 0) = 0 [pid 3896] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3896] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3896] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3896] write(3, "1000", 4) = 4 [pid 3896] close(3) = 0 [pid 3896] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3896] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3896] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3896] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3896] openat(3, "freezer.state", O_RDWR) = 4 [pid 3896] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3896] close(3) = 0 [pid 3896] close(4) = 0 [pid 3896] close(5) = -1 EBADF (Bad file descriptor) [pid 3896] close(6) = -1 EBADF (Bad file descriptor) [pid 3896] close(7) = -1 EBADF (Bad file descriptor) [pid 3896] close(8) = -1 EBADF (Bad file descriptor) [pid 3896] close(9) = -1 EBADF (Bad file descriptor) [pid 3896] close(10) = -1 EBADF (Bad file descriptor) [pid 3896] close(11) = -1 EBADF (Bad file descriptor) [pid 3896] close(12) = -1 EBADF (Bad file descriptor) [pid 3896] close(13) = -1 EBADF (Bad file descriptor) [pid 3896] close(14) = -1 EBADF (Bad file descriptor) [pid 3896] close(15) = -1 EBADF (Bad file descriptor) [pid 3896] close(16) = -1 EBADF (Bad file descriptor) [pid 3896] close(17) = -1 EBADF (Bad file descriptor) [pid 3896] close(18) = -1 EBADF (Bad file descriptor) [pid 3896] close(19) = -1 EBADF (Bad file descriptor) [pid 3896] close(20) = -1 EBADF (Bad file descriptor) [pid 3896] close(21) = -1 EBADF (Bad file descriptor) [pid 3896] close(22) = -1 EBADF (Bad file descriptor) [pid 3896] close(23) = -1 EBADF (Bad file descriptor) [pid 3896] close(24) = -1 EBADF (Bad file descriptor) [pid 3896] close(25) = -1 EBADF (Bad file descriptor) [pid 3896] close(26) = -1 EBADF (Bad file descriptor) [pid 3896] close(27) = -1 EBADF (Bad file descriptor) [pid 3896] close(28) = -1 EBADF (Bad file descriptor) [pid 3896] close(29) = -1 EBADF (Bad file descriptor) [pid 3896] exit_group(0) = ? [pid 3896] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./290/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./290/binderfs") = 0 [pid 3605] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./290/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./290/cgroup") = 0 [pid 3605] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./290/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./290/cgroup.net") = 0 [pid 3605] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./290/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./290/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./290") = 0 [pid 3605] mkdir("./291", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3897 attached , child_tidptr=0x555556c0f5d0) = 293 [pid 3897] chdir("./291") = 0 [pid 3897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3897] setpgid(0, 0) = 0 [pid 3897] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3897] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3897] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3897] write(3, "1000", 4) = 4 [pid 3897] close(3) = 0 [pid 3897] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3897] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3897] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3897] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3897] openat(3, "freezer.state", O_RDWR) = 4 [pid 3897] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3897] close(3) = 0 [pid 3897] close(4) = 0 [pid 3897] close(5) = -1 EBADF (Bad file descriptor) [pid 3897] close(6) = -1 EBADF (Bad file descriptor) [pid 3897] close(7) = -1 EBADF (Bad file descriptor) [pid 3897] close(8) = -1 EBADF (Bad file descriptor) [pid 3897] close(9) = -1 EBADF (Bad file descriptor) [pid 3897] close(10) = -1 EBADF (Bad file descriptor) [pid 3897] close(11) = -1 EBADF (Bad file descriptor) [pid 3897] close(12) = -1 EBADF (Bad file descriptor) [pid 3897] close(13) = -1 EBADF (Bad file descriptor) [pid 3897] close(14) = -1 EBADF (Bad file descriptor) [pid 3897] close(15) = -1 EBADF (Bad file descriptor) [pid 3897] close(16) = -1 EBADF (Bad file descriptor) [pid 3897] close(17) = -1 EBADF (Bad file descriptor) [pid 3897] close(18) = -1 EBADF (Bad file descriptor) [pid 3897] close(19) = -1 EBADF (Bad file descriptor) [pid 3897] close(20) = -1 EBADF (Bad file descriptor) [pid 3897] close(21) = -1 EBADF (Bad file descriptor) [pid 3897] close(22) = -1 EBADF (Bad file descriptor) [pid 3897] close(23) = -1 EBADF (Bad file descriptor) [pid 3897] close(24) = -1 EBADF (Bad file descriptor) [pid 3897] close(25) = -1 EBADF (Bad file descriptor) [pid 3897] close(26) = -1 EBADF (Bad file descriptor) [pid 3897] close(27) = -1 EBADF (Bad file descriptor) [pid 3897] close(28) = -1 EBADF (Bad file descriptor) [pid 3897] close(29) = -1 EBADF (Bad file descriptor) [pid 3897] exit_group(0) = ? [pid 3897] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./291/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./291/binderfs") = 0 [pid 3605] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./291/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./291/cgroup") = 0 [pid 3605] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./291/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./291/cgroup.net") = 0 [pid 3605] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./291/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./291/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./291") = 0 [pid 3605] mkdir("./292", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 294 ./strace-static-x86_64: Process 3898 attached [pid 3898] chdir("./292") = 0 [pid 3898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3898] setpgid(0, 0) = 0 [pid 3898] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3898] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3898] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3898] write(3, "1000", 4) = 4 [pid 3898] close(3) = 0 [pid 3898] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3898] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3898] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3898] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3898] openat(3, "freezer.state", O_RDWR) = 4 [pid 3898] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3898] close(3) = 0 [pid 3898] close(4) = 0 [pid 3898] close(5) = -1 EBADF (Bad file descriptor) [pid 3898] close(6) = -1 EBADF (Bad file descriptor) [pid 3898] close(7) = -1 EBADF (Bad file descriptor) [pid 3898] close(8) = -1 EBADF (Bad file descriptor) [pid 3898] close(9) = -1 EBADF (Bad file descriptor) [pid 3898] close(10) = -1 EBADF (Bad file descriptor) [pid 3898] close(11) = -1 EBADF (Bad file descriptor) [pid 3898] close(12) = -1 EBADF (Bad file descriptor) [pid 3898] close(13) = -1 EBADF (Bad file descriptor) [pid 3898] close(14) = -1 EBADF (Bad file descriptor) [pid 3898] close(15) = -1 EBADF (Bad file descriptor) [pid 3898] close(16) = -1 EBADF (Bad file descriptor) [pid 3898] close(17) = -1 EBADF (Bad file descriptor) [pid 3898] close(18) = -1 EBADF (Bad file descriptor) [pid 3898] close(19) = -1 EBADF (Bad file descriptor) [pid 3898] close(20) = -1 EBADF (Bad file descriptor) [pid 3898] close(21) = -1 EBADF (Bad file descriptor) [pid 3898] close(22) = -1 EBADF (Bad file descriptor) [pid 3898] close(23) = -1 EBADF (Bad file descriptor) [pid 3898] close(24) = -1 EBADF (Bad file descriptor) [pid 3898] close(25) = -1 EBADF (Bad file descriptor) [pid 3898] close(26) = -1 EBADF (Bad file descriptor) [pid 3898] close(27) = -1 EBADF (Bad file descriptor) [pid 3898] close(28) = -1 EBADF (Bad file descriptor) [pid 3898] close(29) = -1 EBADF (Bad file descriptor) [pid 3898] exit_group(0) = ? [pid 3898] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./292/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./292/binderfs") = 0 [pid 3605] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./292/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./292/cgroup") = 0 [pid 3605] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./292/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./292/cgroup.net") = 0 [pid 3605] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./292/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./292/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./292") = 0 [pid 3605] mkdir("./293", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 295 ./strace-static-x86_64: Process 3899 attached [pid 3899] chdir("./293") = 0 [pid 3899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3899] setpgid(0, 0) = 0 [pid 3899] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3899] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3899] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3899] write(3, "1000", 4) = 4 [pid 3899] close(3) = 0 [pid 3899] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3899] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3899] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3899] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3899] openat(3, "freezer.state", O_RDWR) = 4 [pid 3899] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3899] close(3) = 0 [pid 3899] close(4) = 0 [pid 3899] close(5) = -1 EBADF (Bad file descriptor) [pid 3899] close(6) = -1 EBADF (Bad file descriptor) [pid 3899] close(7) = -1 EBADF (Bad file descriptor) [pid 3899] close(8) = -1 EBADF (Bad file descriptor) [pid 3899] close(9) = -1 EBADF (Bad file descriptor) [pid 3899] close(10) = -1 EBADF (Bad file descriptor) [pid 3899] close(11) = -1 EBADF (Bad file descriptor) [pid 3899] close(12) = -1 EBADF (Bad file descriptor) [pid 3899] close(13) = -1 EBADF (Bad file descriptor) [pid 3899] close(14) = -1 EBADF (Bad file descriptor) [pid 3899] close(15) = -1 EBADF (Bad file descriptor) [pid 3899] close(16) = -1 EBADF (Bad file descriptor) [pid 3899] close(17) = -1 EBADF (Bad file descriptor) [pid 3899] close(18) = -1 EBADF (Bad file descriptor) [pid 3899] close(19) = -1 EBADF (Bad file descriptor) [pid 3899] close(20) = -1 EBADF (Bad file descriptor) [pid 3899] close(21) = -1 EBADF (Bad file descriptor) [pid 3899] close(22) = -1 EBADF (Bad file descriptor) [pid 3899] close(23) = -1 EBADF (Bad file descriptor) [pid 3899] close(24) = -1 EBADF (Bad file descriptor) [pid 3899] close(25) = -1 EBADF (Bad file descriptor) [pid 3899] close(26) = -1 EBADF (Bad file descriptor) [pid 3899] close(27) = -1 EBADF (Bad file descriptor) [pid 3899] close(28) = -1 EBADF (Bad file descriptor) [pid 3899] close(29) = -1 EBADF (Bad file descriptor) [pid 3899] exit_group(0) = ? [pid 3899] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./293/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./293/binderfs") = 0 [pid 3605] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./293/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./293/cgroup") = 0 [pid 3605] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./293/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./293/cgroup.net") = 0 [pid 3605] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./293/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./293/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./293") = 0 [pid 3605] mkdir("./294", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3900 attached , child_tidptr=0x555556c0f5d0) = 296 [pid 3900] chdir("./294") = 0 [pid 3900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3900] setpgid(0, 0) = 0 [pid 3900] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3900] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3900] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3900] write(3, "1000", 4) = 4 [pid 3900] close(3) = 0 [pid 3900] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3900] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3900] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3900] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3900] openat(3, "freezer.state", O_RDWR) = 4 [pid 3900] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3900] close(3) = 0 [pid 3900] close(4) = 0 [pid 3900] close(5) = -1 EBADF (Bad file descriptor) [pid 3900] close(6) = -1 EBADF (Bad file descriptor) [pid 3900] close(7) = -1 EBADF (Bad file descriptor) [pid 3900] close(8) = -1 EBADF (Bad file descriptor) [pid 3900] close(9) = -1 EBADF (Bad file descriptor) [pid 3900] close(10) = -1 EBADF (Bad file descriptor) [pid 3900] close(11) = -1 EBADF (Bad file descriptor) [pid 3900] close(12) = -1 EBADF (Bad file descriptor) [pid 3900] close(13) = -1 EBADF (Bad file descriptor) [pid 3900] close(14) = -1 EBADF (Bad file descriptor) [pid 3900] close(15) = -1 EBADF (Bad file descriptor) [pid 3900] close(16) = -1 EBADF (Bad file descriptor) [pid 3900] close(17) = -1 EBADF (Bad file descriptor) [pid 3900] close(18) = -1 EBADF (Bad file descriptor) [pid 3900] close(19) = -1 EBADF (Bad file descriptor) [pid 3900] close(20) = -1 EBADF (Bad file descriptor) [pid 3900] close(21) = -1 EBADF (Bad file descriptor) [pid 3900] close(22) = -1 EBADF (Bad file descriptor) [pid 3900] close(23) = -1 EBADF (Bad file descriptor) [pid 3900] close(24) = -1 EBADF (Bad file descriptor) [pid 3900] close(25) = -1 EBADF (Bad file descriptor) [pid 3900] close(26) = -1 EBADF (Bad file descriptor) [pid 3900] close(27) = -1 EBADF (Bad file descriptor) [pid 3900] close(28) = -1 EBADF (Bad file descriptor) [pid 3900] close(29) = -1 EBADF (Bad file descriptor) [pid 3900] exit_group(0) = ? [pid 3900] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./294/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./294/binderfs") = 0 [pid 3605] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./294/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./294/cgroup") = 0 [pid 3605] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./294/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./294/cgroup.net") = 0 [pid 3605] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./294/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./294/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./294") = 0 [pid 3605] mkdir("./295", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3901 attached [pid 3901] chdir("./295") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 297 [pid 3901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3901] setpgid(0, 0) = 0 [pid 3901] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3901] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3901] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3901] write(3, "1000", 4) = 4 [pid 3901] close(3) = 0 [pid 3901] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3901] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3901] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3901] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3901] openat(3, "freezer.state", O_RDWR) = 4 [pid 3901] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3901] close(3) = 0 [pid 3901] close(4) = 0 [pid 3901] close(5) = -1 EBADF (Bad file descriptor) [pid 3901] close(6) = -1 EBADF (Bad file descriptor) [pid 3901] close(7) = -1 EBADF (Bad file descriptor) [pid 3901] close(8) = -1 EBADF (Bad file descriptor) [pid 3901] close(9) = -1 EBADF (Bad file descriptor) [pid 3901] close(10) = -1 EBADF (Bad file descriptor) [pid 3901] close(11) = -1 EBADF (Bad file descriptor) [pid 3901] close(12) = -1 EBADF (Bad file descriptor) [pid 3901] close(13) = -1 EBADF (Bad file descriptor) [pid 3901] close(14) = -1 EBADF (Bad file descriptor) [pid 3901] close(15) = -1 EBADF (Bad file descriptor) [pid 3901] close(16) = -1 EBADF (Bad file descriptor) [pid 3901] close(17) = -1 EBADF (Bad file descriptor) [pid 3901] close(18) = -1 EBADF (Bad file descriptor) [pid 3901] close(19) = -1 EBADF (Bad file descriptor) [pid 3901] close(20) = -1 EBADF (Bad file descriptor) [pid 3901] close(21) = -1 EBADF (Bad file descriptor) [pid 3901] close(22) = -1 EBADF (Bad file descriptor) [pid 3901] close(23) = -1 EBADF (Bad file descriptor) [pid 3901] close(24) = -1 EBADF (Bad file descriptor) [pid 3901] close(25) = -1 EBADF (Bad file descriptor) [pid 3901] close(26) = -1 EBADF (Bad file descriptor) [pid 3901] close(27) = -1 EBADF (Bad file descriptor) [pid 3901] close(28) = -1 EBADF (Bad file descriptor) [pid 3901] close(29) = -1 EBADF (Bad file descriptor) [pid 3901] exit_group(0) = ? [pid 3901] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./295/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./295/binderfs") = 0 [pid 3605] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./295/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./295/cgroup") = 0 [pid 3605] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./295/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./295/cgroup.net") = 0 [pid 3605] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./295/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./295/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./295") = 0 [pid 3605] mkdir("./296", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3902 attached [pid 3902] chdir("./296") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 298 [pid 3902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3902] setpgid(0, 0) = 0 [pid 3902] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3902] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3902] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3902] write(3, "1000", 4) = 4 [pid 3902] close(3) = 0 [pid 3902] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3902] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3902] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3902] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3902] openat(3, "freezer.state", O_RDWR) = 4 [pid 3902] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3902] close(3) = 0 [pid 3902] close(4) = 0 [pid 3902] close(5) = -1 EBADF (Bad file descriptor) [pid 3902] close(6) = -1 EBADF (Bad file descriptor) [pid 3902] close(7) = -1 EBADF (Bad file descriptor) [pid 3902] close(8) = -1 EBADF (Bad file descriptor) [pid 3902] close(9) = -1 EBADF (Bad file descriptor) [pid 3902] close(10) = -1 EBADF (Bad file descriptor) [pid 3902] close(11) = -1 EBADF (Bad file descriptor) [pid 3902] close(12) = -1 EBADF (Bad file descriptor) [pid 3902] close(13) = -1 EBADF (Bad file descriptor) [pid 3902] close(14) = -1 EBADF (Bad file descriptor) [pid 3902] close(15) = -1 EBADF (Bad file descriptor) [pid 3902] close(16) = -1 EBADF (Bad file descriptor) [pid 3902] close(17) = -1 EBADF (Bad file descriptor) [pid 3902] close(18) = -1 EBADF (Bad file descriptor) [pid 3902] close(19) = -1 EBADF (Bad file descriptor) [pid 3902] close(20) = -1 EBADF (Bad file descriptor) [pid 3902] close(21) = -1 EBADF (Bad file descriptor) [pid 3902] close(22) = -1 EBADF (Bad file descriptor) [pid 3902] close(23) = -1 EBADF (Bad file descriptor) [pid 3902] close(24) = -1 EBADF (Bad file descriptor) [pid 3902] close(25) = -1 EBADF (Bad file descriptor) [pid 3902] close(26) = -1 EBADF (Bad file descriptor) [pid 3902] close(27) = -1 EBADF (Bad file descriptor) [pid 3902] close(28) = -1 EBADF (Bad file descriptor) [pid 3902] close(29) = -1 EBADF (Bad file descriptor) [pid 3902] exit_group(0) = ? [pid 3902] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./296/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./296/binderfs") = 0 [pid 3605] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./296/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./296/cgroup") = 0 [pid 3605] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./296/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./296/cgroup.net") = 0 [pid 3605] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./296/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./296/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./296") = 0 [pid 3605] mkdir("./297", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3903 attached [pid 3903] chdir("./297") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 299 [pid 3903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3903] setpgid(0, 0) = 0 [pid 3903] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3903] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3903] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3903] write(3, "1000", 4) = 4 [pid 3903] close(3) = 0 [pid 3903] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3903] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3903] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3903] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3903] openat(3, "freezer.state", O_RDWR) = 4 [pid 3903] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3903] close(3) = 0 [pid 3903] close(4) = 0 [pid 3903] close(5) = -1 EBADF (Bad file descriptor) [pid 3903] close(6) = -1 EBADF (Bad file descriptor) [pid 3903] close(7) = -1 EBADF (Bad file descriptor) [pid 3903] close(8) = -1 EBADF (Bad file descriptor) [pid 3903] close(9) = -1 EBADF (Bad file descriptor) [pid 3903] close(10) = -1 EBADF (Bad file descriptor) [pid 3903] close(11) = -1 EBADF (Bad file descriptor) [pid 3903] close(12) = -1 EBADF (Bad file descriptor) [pid 3903] close(13) = -1 EBADF (Bad file descriptor) [pid 3903] close(14) = -1 EBADF (Bad file descriptor) [pid 3903] close(15) = -1 EBADF (Bad file descriptor) [pid 3903] close(16) = -1 EBADF (Bad file descriptor) [pid 3903] close(17) = -1 EBADF (Bad file descriptor) [pid 3903] close(18) = -1 EBADF (Bad file descriptor) [pid 3903] close(19) = -1 EBADF (Bad file descriptor) [pid 3903] close(20) = -1 EBADF (Bad file descriptor) [pid 3903] close(21) = -1 EBADF (Bad file descriptor) [pid 3903] close(22) = -1 EBADF (Bad file descriptor) [pid 3903] close(23) = -1 EBADF (Bad file descriptor) [pid 3903] close(24) = -1 EBADF (Bad file descriptor) [pid 3903] close(25) = -1 EBADF (Bad file descriptor) [pid 3903] close(26) = -1 EBADF (Bad file descriptor) [pid 3903] close(27) = -1 EBADF (Bad file descriptor) [pid 3903] close(28) = -1 EBADF (Bad file descriptor) [pid 3903] close(29) = -1 EBADF (Bad file descriptor) [pid 3903] exit_group(0) = ? [pid 3903] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./297/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./297/binderfs") = 0 [pid 3605] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./297/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./297/cgroup") = 0 [pid 3605] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./297/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./297/cgroup.net") = 0 [pid 3605] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./297/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./297/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./297") = 0 [pid 3605] mkdir("./298", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3904 attached [pid 3904] chdir("./298") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 300 [pid 3904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3904] setpgid(0, 0) = 0 [pid 3904] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3904] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3904] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3904] write(3, "1000", 4) = 4 [pid 3904] close(3) = 0 [pid 3904] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3904] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3904] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3904] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3904] openat(3, "freezer.state", O_RDWR) = 4 [pid 3904] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3904] close(3) = 0 [pid 3904] close(4) = 0 [pid 3904] close(5) = -1 EBADF (Bad file descriptor) [pid 3904] close(6) = -1 EBADF (Bad file descriptor) [pid 3904] close(7) = -1 EBADF (Bad file descriptor) [pid 3904] close(8) = -1 EBADF (Bad file descriptor) [pid 3904] close(9) = -1 EBADF (Bad file descriptor) [pid 3904] close(10) = -1 EBADF (Bad file descriptor) [pid 3904] close(11) = -1 EBADF (Bad file descriptor) [pid 3904] close(12) = -1 EBADF (Bad file descriptor) [pid 3904] close(13) = -1 EBADF (Bad file descriptor) [pid 3904] close(14) = -1 EBADF (Bad file descriptor) [pid 3904] close(15) = -1 EBADF (Bad file descriptor) [pid 3904] close(16) = -1 EBADF (Bad file descriptor) [pid 3904] close(17) = -1 EBADF (Bad file descriptor) [pid 3904] close(18) = -1 EBADF (Bad file descriptor) [pid 3904] close(19) = -1 EBADF (Bad file descriptor) [pid 3904] close(20) = -1 EBADF (Bad file descriptor) [pid 3904] close(21) = -1 EBADF (Bad file descriptor) [pid 3904] close(22) = -1 EBADF (Bad file descriptor) [pid 3904] close(23) = -1 EBADF (Bad file descriptor) [pid 3904] close(24) = -1 EBADF (Bad file descriptor) [pid 3904] close(25) = -1 EBADF (Bad file descriptor) [pid 3904] close(26) = -1 EBADF (Bad file descriptor) [pid 3904] close(27) = -1 EBADF (Bad file descriptor) [pid 3904] close(28) = -1 EBADF (Bad file descriptor) [pid 3904] close(29) = -1 EBADF (Bad file descriptor) [pid 3904] exit_group(0) = ? [pid 3904] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./298/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./298/binderfs") = 0 [pid 3605] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./298/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./298/cgroup") = 0 [pid 3605] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./298/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./298/cgroup.net") = 0 [pid 3605] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./298/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./298/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./298") = 0 [pid 3605] mkdir("./299", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3905 attached [pid 3905] chdir("./299") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 301 [pid 3905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3905] setpgid(0, 0) = 0 [pid 3905] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3905] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3905] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3905] write(3, "1000", 4) = 4 [pid 3905] close(3) = 0 [pid 3905] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3905] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3905] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3905] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3905] openat(3, "freezer.state", O_RDWR) = 4 [pid 3905] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3905] close(3) = 0 [pid 3905] close(4) = 0 [pid 3905] close(5) = -1 EBADF (Bad file descriptor) [pid 3905] close(6) = -1 EBADF (Bad file descriptor) [pid 3905] close(7) = -1 EBADF (Bad file descriptor) [pid 3905] close(8) = -1 EBADF (Bad file descriptor) [pid 3905] close(9) = -1 EBADF (Bad file descriptor) [pid 3905] close(10) = -1 EBADF (Bad file descriptor) [pid 3905] close(11) = -1 EBADF (Bad file descriptor) [pid 3905] close(12) = -1 EBADF (Bad file descriptor) [pid 3905] close(13) = -1 EBADF (Bad file descriptor) [pid 3905] close(14) = -1 EBADF (Bad file descriptor) [pid 3905] close(15) = -1 EBADF (Bad file descriptor) [pid 3905] close(16) = -1 EBADF (Bad file descriptor) [pid 3905] close(17) = -1 EBADF (Bad file descriptor) [pid 3905] close(18) = -1 EBADF (Bad file descriptor) [pid 3905] close(19) = -1 EBADF (Bad file descriptor) [pid 3905] close(20) = -1 EBADF (Bad file descriptor) [pid 3905] close(21) = -1 EBADF (Bad file descriptor) [pid 3905] close(22) = -1 EBADF (Bad file descriptor) [pid 3905] close(23) = -1 EBADF (Bad file descriptor) [pid 3905] close(24) = -1 EBADF (Bad file descriptor) [pid 3905] close(25) = -1 EBADF (Bad file descriptor) [pid 3905] close(26) = -1 EBADF (Bad file descriptor) [pid 3905] close(27) = -1 EBADF (Bad file descriptor) [pid 3905] close(28) = -1 EBADF (Bad file descriptor) [pid 3905] close(29) = -1 EBADF (Bad file descriptor) [pid 3905] exit_group(0) = ? [pid 3905] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./299/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./299/binderfs") = 0 [pid 3605] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./299/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./299/cgroup") = 0 [pid 3605] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./299/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./299/cgroup.net") = 0 [pid 3605] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./299/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./299/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./299") = 0 [pid 3605] mkdir("./300", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3906 attached [pid 3906] chdir("./300" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 302 [pid 3906] <... chdir resumed>) = 0 [pid 3906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3906] setpgid(0, 0) = 0 [pid 3906] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3906] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3906] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3906] write(3, "1000", 4) = 4 [pid 3906] close(3) = 0 [pid 3906] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3906] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3906] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3906] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3906] openat(3, "freezer.state", O_RDWR) = 4 [pid 3906] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3906] close(3) = 0 [pid 3906] close(4) = 0 [pid 3906] close(5) = -1 EBADF (Bad file descriptor) [pid 3906] close(6) = -1 EBADF (Bad file descriptor) [pid 3906] close(7) = -1 EBADF (Bad file descriptor) [pid 3906] close(8) = -1 EBADF (Bad file descriptor) [pid 3906] close(9) = -1 EBADF (Bad file descriptor) [pid 3906] close(10) = -1 EBADF (Bad file descriptor) [pid 3906] close(11) = -1 EBADF (Bad file descriptor) [pid 3906] close(12) = -1 EBADF (Bad file descriptor) [pid 3906] close(13) = -1 EBADF (Bad file descriptor) [pid 3906] close(14) = -1 EBADF (Bad file descriptor) [pid 3906] close(15) = -1 EBADF (Bad file descriptor) [pid 3906] close(16) = -1 EBADF (Bad file descriptor) [pid 3906] close(17) = -1 EBADF (Bad file descriptor) [pid 3906] close(18) = -1 EBADF (Bad file descriptor) [pid 3906] close(19) = -1 EBADF (Bad file descriptor) [pid 3906] close(20) = -1 EBADF (Bad file descriptor) [pid 3906] close(21) = -1 EBADF (Bad file descriptor) [pid 3906] close(22) = -1 EBADF (Bad file descriptor) [pid 3906] close(23) = -1 EBADF (Bad file descriptor) [pid 3906] close(24) = -1 EBADF (Bad file descriptor) [pid 3906] close(25) = -1 EBADF (Bad file descriptor) [pid 3906] close(26) = -1 EBADF (Bad file descriptor) [pid 3906] close(27) = -1 EBADF (Bad file descriptor) [pid 3906] close(28) = -1 EBADF (Bad file descriptor) [pid 3906] close(29) = -1 EBADF (Bad file descriptor) [pid 3906] exit_group(0) = ? [pid 3906] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./300/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./300/binderfs") = 0 [pid 3605] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./300/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./300/cgroup") = 0 [pid 3605] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./300/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./300/cgroup.net") = 0 [pid 3605] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./300/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./300/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./300") = 0 [pid 3605] mkdir("./301", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3907 attached [pid 3907] chdir("./301") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 303 [pid 3907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3907] setpgid(0, 0) = 0 [pid 3907] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3907] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3907] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3907] write(3, "1000", 4) = 4 [pid 3907] close(3) = 0 [pid 3907] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3907] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3907] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3907] openat(3, "freezer.state", O_RDWR) = 4 [pid 3907] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3907] close(3) = 0 [pid 3907] close(4) = 0 [pid 3907] close(5) = -1 EBADF (Bad file descriptor) [pid 3907] close(6) = -1 EBADF (Bad file descriptor) [pid 3907] close(7) = -1 EBADF (Bad file descriptor) [pid 3907] close(8) = -1 EBADF (Bad file descriptor) [pid 3907] close(9) = -1 EBADF (Bad file descriptor) [pid 3907] close(10) = -1 EBADF (Bad file descriptor) [pid 3907] close(11) = -1 EBADF (Bad file descriptor) [pid 3907] close(12) = -1 EBADF (Bad file descriptor) [pid 3907] close(13) = -1 EBADF (Bad file descriptor) [pid 3907] close(14) = -1 EBADF (Bad file descriptor) [pid 3907] close(15) = -1 EBADF (Bad file descriptor) [pid 3907] close(16) = -1 EBADF (Bad file descriptor) [pid 3907] close(17) = -1 EBADF (Bad file descriptor) [pid 3907] close(18) = -1 EBADF (Bad file descriptor) [pid 3907] close(19) = -1 EBADF (Bad file descriptor) [pid 3907] close(20) = -1 EBADF (Bad file descriptor) [pid 3907] close(21) = -1 EBADF (Bad file descriptor) [pid 3907] close(22) = -1 EBADF (Bad file descriptor) [pid 3907] close(23) = -1 EBADF (Bad file descriptor) [pid 3907] close(24) = -1 EBADF (Bad file descriptor) [pid 3907] close(25) = -1 EBADF (Bad file descriptor) [pid 3907] close(26) = -1 EBADF (Bad file descriptor) [pid 3907] close(27) = -1 EBADF (Bad file descriptor) [pid 3907] close(28) = -1 EBADF (Bad file descriptor) [pid 3907] close(29) = -1 EBADF (Bad file descriptor) [pid 3907] exit_group(0) = ? [pid 3907] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./301/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./301/binderfs") = 0 [pid 3605] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./301/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./301/cgroup") = 0 [pid 3605] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./301/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./301/cgroup.net") = 0 [pid 3605] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./301/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./301/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./301") = 0 [pid 3605] mkdir("./302", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3908 attached [pid 3908] chdir("./302") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 304 [pid 3908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3908] setpgid(0, 0) = 0 [pid 3908] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3908] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3908] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3908] write(3, "1000", 4) = 4 [pid 3908] close(3) = 0 [pid 3908] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3908] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3908] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3908] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3908] openat(3, "freezer.state", O_RDWR) = 4 [pid 3908] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3908] close(3) = 0 [pid 3908] close(4) = 0 [pid 3908] close(5) = -1 EBADF (Bad file descriptor) [pid 3908] close(6) = -1 EBADF (Bad file descriptor) [pid 3908] close(7) = -1 EBADF (Bad file descriptor) [pid 3908] close(8) = -1 EBADF (Bad file descriptor) [pid 3908] close(9) = -1 EBADF (Bad file descriptor) [pid 3908] close(10) = -1 EBADF (Bad file descriptor) [pid 3908] close(11) = -1 EBADF (Bad file descriptor) [pid 3908] close(12) = -1 EBADF (Bad file descriptor) [pid 3908] close(13) = -1 EBADF (Bad file descriptor) [pid 3908] close(14) = -1 EBADF (Bad file descriptor) [pid 3908] close(15) = -1 EBADF (Bad file descriptor) [pid 3908] close(16) = -1 EBADF (Bad file descriptor) [pid 3908] close(17) = -1 EBADF (Bad file descriptor) [pid 3908] close(18) = -1 EBADF (Bad file descriptor) [pid 3908] close(19) = -1 EBADF (Bad file descriptor) [pid 3908] close(20) = -1 EBADF (Bad file descriptor) [pid 3908] close(21) = -1 EBADF (Bad file descriptor) [pid 3908] close(22) = -1 EBADF (Bad file descriptor) [pid 3908] close(23) = -1 EBADF (Bad file descriptor) [pid 3908] close(24) = -1 EBADF (Bad file descriptor) [pid 3908] close(25) = -1 EBADF (Bad file descriptor) [pid 3908] close(26) = -1 EBADF (Bad file descriptor) [pid 3908] close(27) = -1 EBADF (Bad file descriptor) [pid 3908] close(28) = -1 EBADF (Bad file descriptor) [pid 3908] close(29) = -1 EBADF (Bad file descriptor) [pid 3908] exit_group(0) = ? [pid 3908] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./302/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./302/binderfs") = 0 [pid 3605] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./302/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./302/cgroup") = 0 [pid 3605] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./302/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./302/cgroup.net") = 0 [pid 3605] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./302/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./302/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./302") = 0 [pid 3605] mkdir("./303", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3909 attached [pid 3909] chdir("./303") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 305 [pid 3909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3909] setpgid(0, 0) = 0 [pid 3909] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3909] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3909] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3909] write(3, "1000", 4) = 4 [pid 3909] close(3) = 0 [pid 3909] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3909] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3909] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3909] openat(3, "freezer.state", O_RDWR) = 4 [pid 3909] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3909] close(3) = 0 [pid 3909] close(4) = 0 [pid 3909] close(5) = -1 EBADF (Bad file descriptor) [pid 3909] close(6) = -1 EBADF (Bad file descriptor) [pid 3909] close(7) = -1 EBADF (Bad file descriptor) [pid 3909] close(8) = -1 EBADF (Bad file descriptor) [pid 3909] close(9) = -1 EBADF (Bad file descriptor) [pid 3909] close(10) = -1 EBADF (Bad file descriptor) [pid 3909] close(11) = -1 EBADF (Bad file descriptor) [pid 3909] close(12) = -1 EBADF (Bad file descriptor) [pid 3909] close(13) = -1 EBADF (Bad file descriptor) [pid 3909] close(14) = -1 EBADF (Bad file descriptor) [pid 3909] close(15) = -1 EBADF (Bad file descriptor) [pid 3909] close(16) = -1 EBADF (Bad file descriptor) [pid 3909] close(17) = -1 EBADF (Bad file descriptor) [pid 3909] close(18) = -1 EBADF (Bad file descriptor) [pid 3909] close(19) = -1 EBADF (Bad file descriptor) [pid 3909] close(20) = -1 EBADF (Bad file descriptor) [pid 3909] close(21) = -1 EBADF (Bad file descriptor) [pid 3909] close(22) = -1 EBADF (Bad file descriptor) [pid 3909] close(23) = -1 EBADF (Bad file descriptor) [pid 3909] close(24) = -1 EBADF (Bad file descriptor) [pid 3909] close(25) = -1 EBADF (Bad file descriptor) [pid 3909] close(26) = -1 EBADF (Bad file descriptor) [pid 3909] close(27) = -1 EBADF (Bad file descriptor) [pid 3909] close(28) = -1 EBADF (Bad file descriptor) [pid 3909] close(29) = -1 EBADF (Bad file descriptor) [pid 3909] exit_group(0) = ? [pid 3909] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./303/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./303/binderfs") = 0 [pid 3605] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./303/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./303/cgroup") = 0 [pid 3605] umount2("./303/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./303/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./303/cgroup.net") = 0 [pid 3605] umount2("./303/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./303/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./303/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./303") = 0 [pid 3605] mkdir("./304", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3910 attached [pid 3910] chdir("./304") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 306 [pid 3910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3910] setpgid(0, 0) = 0 [pid 3910] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3910] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3910] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3910] write(3, "1000", 4) = 4 [pid 3910] close(3) = 0 [pid 3910] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3910] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3910] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3910] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3910] openat(3, "freezer.state", O_RDWR) = 4 [pid 3910] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3910] close(3) = 0 [pid 3910] close(4) = 0 [pid 3910] close(5) = -1 EBADF (Bad file descriptor) [pid 3910] close(6) = -1 EBADF (Bad file descriptor) [pid 3910] close(7) = -1 EBADF (Bad file descriptor) [pid 3910] close(8) = -1 EBADF (Bad file descriptor) [pid 3910] close(9) = -1 EBADF (Bad file descriptor) [pid 3910] close(10) = -1 EBADF (Bad file descriptor) [pid 3910] close(11) = -1 EBADF (Bad file descriptor) [pid 3910] close(12) = -1 EBADF (Bad file descriptor) [pid 3910] close(13) = -1 EBADF (Bad file descriptor) [pid 3910] close(14) = -1 EBADF (Bad file descriptor) [pid 3910] close(15) = -1 EBADF (Bad file descriptor) [pid 3910] close(16) = -1 EBADF (Bad file descriptor) [pid 3910] close(17) = -1 EBADF (Bad file descriptor) [pid 3910] close(18) = -1 EBADF (Bad file descriptor) [pid 3910] close(19) = -1 EBADF (Bad file descriptor) [pid 3910] close(20) = -1 EBADF (Bad file descriptor) [pid 3910] close(21) = -1 EBADF (Bad file descriptor) [pid 3910] close(22) = -1 EBADF (Bad file descriptor) [pid 3910] close(23) = -1 EBADF (Bad file descriptor) [pid 3910] close(24) = -1 EBADF (Bad file descriptor) [pid 3910] close(25) = -1 EBADF (Bad file descriptor) [pid 3910] close(26) = -1 EBADF (Bad file descriptor) [pid 3910] close(27) = -1 EBADF (Bad file descriptor) [pid 3910] close(28) = -1 EBADF (Bad file descriptor) [pid 3910] close(29) = -1 EBADF (Bad file descriptor) [pid 3910] exit_group(0) = ? [pid 3910] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./304", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./304/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./304/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./304/binderfs") = 0 [pid 3605] umount2("./304/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./304/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./304/cgroup") = 0 [pid 3605] umount2("./304/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./304/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./304/cgroup.net") = 0 [pid 3605] umount2("./304/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./304/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./304/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./304") = 0 [pid 3605] mkdir("./305", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 307 ./strace-static-x86_64: Process 3911 attached [pid 3911] chdir("./305") = 0 [pid 3911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3911] setpgid(0, 0) = 0 [pid 3911] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3911] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3911] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3911] write(3, "1000", 4) = 4 [pid 3911] close(3) = 0 [pid 3911] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3911] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3911] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3911] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3911] openat(3, "freezer.state", O_RDWR) = 4 [pid 3911] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3911] close(3) = 0 [pid 3911] close(4) = 0 [pid 3911] close(5) = -1 EBADF (Bad file descriptor) [pid 3911] close(6) = -1 EBADF (Bad file descriptor) [pid 3911] close(7) = -1 EBADF (Bad file descriptor) [pid 3911] close(8) = -1 EBADF (Bad file descriptor) [pid 3911] close(9) = -1 EBADF (Bad file descriptor) [pid 3911] close(10) = -1 EBADF (Bad file descriptor) [pid 3911] close(11) = -1 EBADF (Bad file descriptor) [pid 3911] close(12) = -1 EBADF (Bad file descriptor) [pid 3911] close(13) = -1 EBADF (Bad file descriptor) [pid 3911] close(14) = -1 EBADF (Bad file descriptor) [pid 3911] close(15) = -1 EBADF (Bad file descriptor) [pid 3911] close(16) = -1 EBADF (Bad file descriptor) [pid 3911] close(17) = -1 EBADF (Bad file descriptor) [pid 3911] close(18) = -1 EBADF (Bad file descriptor) [pid 3911] close(19) = -1 EBADF (Bad file descriptor) [pid 3911] close(20) = -1 EBADF (Bad file descriptor) [pid 3911] close(21) = -1 EBADF (Bad file descriptor) [pid 3911] close(22) = -1 EBADF (Bad file descriptor) [pid 3911] close(23) = -1 EBADF (Bad file descriptor) [pid 3911] close(24) = -1 EBADF (Bad file descriptor) [pid 3911] close(25) = -1 EBADF (Bad file descriptor) [pid 3911] close(26) = -1 EBADF (Bad file descriptor) [pid 3911] close(27) = -1 EBADF (Bad file descriptor) [pid 3911] close(28) = -1 EBADF (Bad file descriptor) [pid 3911] close(29) = -1 EBADF (Bad file descriptor) [pid 3911] exit_group(0) = ? [pid 3911] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./305", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./305/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./305/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./305/binderfs") = 0 [pid 3605] umount2("./305/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./305/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./305/cgroup") = 0 [pid 3605] umount2("./305/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./305/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./305/cgroup.net") = 0 [pid 3605] umount2("./305/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./305/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./305/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./305") = 0 [pid 3605] mkdir("./306", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3912 attached [pid 3912] chdir("./306") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 308 [pid 3912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3912] setpgid(0, 0) = 0 [pid 3912] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3912] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3912] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3912] write(3, "1000", 4) = 4 [pid 3912] close(3) = 0 [pid 3912] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3912] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3912] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3912] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3912] openat(3, "freezer.state", O_RDWR) = 4 [pid 3912] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3912] close(3) = 0 [pid 3912] close(4) = 0 [pid 3912] close(5) = -1 EBADF (Bad file descriptor) [pid 3912] close(6) = -1 EBADF (Bad file descriptor) [pid 3912] close(7) = -1 EBADF (Bad file descriptor) [pid 3912] close(8) = -1 EBADF (Bad file descriptor) [pid 3912] close(9) = -1 EBADF (Bad file descriptor) [pid 3912] close(10) = -1 EBADF (Bad file descriptor) [pid 3912] close(11) = -1 EBADF (Bad file descriptor) [pid 3912] close(12) = -1 EBADF (Bad file descriptor) [pid 3912] close(13) = -1 EBADF (Bad file descriptor) [pid 3912] close(14) = -1 EBADF (Bad file descriptor) [pid 3912] close(15) = -1 EBADF (Bad file descriptor) [pid 3912] close(16) = -1 EBADF (Bad file descriptor) [pid 3912] close(17) = -1 EBADF (Bad file descriptor) [pid 3912] close(18) = -1 EBADF (Bad file descriptor) [pid 3912] close(19) = -1 EBADF (Bad file descriptor) [pid 3912] close(20) = -1 EBADF (Bad file descriptor) [pid 3912] close(21) = -1 EBADF (Bad file descriptor) [pid 3912] close(22) = -1 EBADF (Bad file descriptor) [pid 3912] close(23) = -1 EBADF (Bad file descriptor) [pid 3912] close(24) = -1 EBADF (Bad file descriptor) [pid 3912] close(25) = -1 EBADF (Bad file descriptor) [pid 3912] close(26) = -1 EBADF (Bad file descriptor) [pid 3912] close(27) = -1 EBADF (Bad file descriptor) [pid 3912] close(28) = -1 EBADF (Bad file descriptor) [pid 3912] close(29) = -1 EBADF (Bad file descriptor) [pid 3912] exit_group(0) = ? [pid 3912] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./306", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./306/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./306/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./306/binderfs") = 0 [pid 3605] umount2("./306/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./306/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./306/cgroup") = 0 [pid 3605] umount2("./306/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./306/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./306/cgroup.net") = 0 [pid 3605] umount2("./306/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./306/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./306/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./306") = 0 [pid 3605] mkdir("./307", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3913 attached [pid 3913] chdir("./307") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 309 [pid 3913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3913] setpgid(0, 0) = 0 [pid 3913] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3913] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3913] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3913] write(3, "1000", 4) = 4 [pid 3913] close(3) = 0 [pid 3913] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3913] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3913] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3913] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3913] openat(3, "freezer.state", O_RDWR) = 4 [pid 3913] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3913] close(3) = 0 [pid 3913] close(4) = 0 [pid 3913] close(5) = -1 EBADF (Bad file descriptor) [pid 3913] close(6) = -1 EBADF (Bad file descriptor) [pid 3913] close(7) = -1 EBADF (Bad file descriptor) [pid 3913] close(8) = -1 EBADF (Bad file descriptor) [pid 3913] close(9) = -1 EBADF (Bad file descriptor) [pid 3913] close(10) = -1 EBADF (Bad file descriptor) [pid 3913] close(11) = -1 EBADF (Bad file descriptor) [pid 3913] close(12) = -1 EBADF (Bad file descriptor) [pid 3913] close(13) = -1 EBADF (Bad file descriptor) [pid 3913] close(14) = -1 EBADF (Bad file descriptor) [pid 3913] close(15) = -1 EBADF (Bad file descriptor) [pid 3913] close(16) = -1 EBADF (Bad file descriptor) [pid 3913] close(17) = -1 EBADF (Bad file descriptor) [pid 3913] close(18) = -1 EBADF (Bad file descriptor) [pid 3913] close(19) = -1 EBADF (Bad file descriptor) [pid 3913] close(20) = -1 EBADF (Bad file descriptor) [pid 3913] close(21) = -1 EBADF (Bad file descriptor) [pid 3913] close(22) = -1 EBADF (Bad file descriptor) [pid 3913] close(23) = -1 EBADF (Bad file descriptor) [pid 3913] close(24) = -1 EBADF (Bad file descriptor) [pid 3913] close(25) = -1 EBADF (Bad file descriptor) [pid 3913] close(26) = -1 EBADF (Bad file descriptor) [pid 3913] close(27) = -1 EBADF (Bad file descriptor) [pid 3913] close(28) = -1 EBADF (Bad file descriptor) [pid 3913] close(29) = -1 EBADF (Bad file descriptor) [pid 3913] exit_group(0) = ? [pid 3913] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./307", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./307/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./307/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./307/binderfs") = 0 [pid 3605] umount2("./307/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./307/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./307/cgroup") = 0 [pid 3605] umount2("./307/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./307/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./307/cgroup.net") = 0 [pid 3605] umount2("./307/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./307/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./307/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./307") = 0 [pid 3605] mkdir("./308", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 310 ./strace-static-x86_64: Process 3914 attached [pid 3914] chdir("./308") = 0 [pid 3914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3914] setpgid(0, 0) = 0 [pid 3914] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3914] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3914] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3914] write(3, "1000", 4) = 4 [pid 3914] close(3) = 0 [pid 3914] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3914] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3914] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3914] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3914] openat(3, "freezer.state", O_RDWR) = 4 [pid 3914] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3914] close(3) = 0 [pid 3914] close(4) = 0 [pid 3914] close(5) = -1 EBADF (Bad file descriptor) [pid 3914] close(6) = -1 EBADF (Bad file descriptor) [pid 3914] close(7) = -1 EBADF (Bad file descriptor) [pid 3914] close(8) = -1 EBADF (Bad file descriptor) [pid 3914] close(9) = -1 EBADF (Bad file descriptor) [pid 3914] close(10) = -1 EBADF (Bad file descriptor) [pid 3914] close(11) = -1 EBADF (Bad file descriptor) [pid 3914] close(12) = -1 EBADF (Bad file descriptor) [pid 3914] close(13) = -1 EBADF (Bad file descriptor) [pid 3914] close(14) = -1 EBADF (Bad file descriptor) [pid 3914] close(15) = -1 EBADF (Bad file descriptor) [pid 3914] close(16) = -1 EBADF (Bad file descriptor) [pid 3914] close(17) = -1 EBADF (Bad file descriptor) [pid 3914] close(18) = -1 EBADF (Bad file descriptor) [pid 3914] close(19) = -1 EBADF (Bad file descriptor) [pid 3914] close(20) = -1 EBADF (Bad file descriptor) [pid 3914] close(21) = -1 EBADF (Bad file descriptor) [pid 3914] close(22) = -1 EBADF (Bad file descriptor) [pid 3914] close(23) = -1 EBADF (Bad file descriptor) [pid 3914] close(24) = -1 EBADF (Bad file descriptor) [pid 3914] close(25) = -1 EBADF (Bad file descriptor) [pid 3914] close(26) = -1 EBADF (Bad file descriptor) [pid 3914] close(27) = -1 EBADF (Bad file descriptor) [pid 3914] close(28) = -1 EBADF (Bad file descriptor) [pid 3914] close(29) = -1 EBADF (Bad file descriptor) [pid 3914] exit_group(0) = ? [pid 3914] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./308", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./308/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./308/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./308/binderfs") = 0 [pid 3605] umount2("./308/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./308/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./308/cgroup") = 0 [pid 3605] umount2("./308/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./308/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./308/cgroup.net") = 0 [pid 3605] umount2("./308/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./308/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./308/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./308") = 0 [pid 3605] mkdir("./309", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3915 attached , child_tidptr=0x555556c0f5d0) = 311 [pid 3915] chdir("./309") = 0 [pid 3915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3915] setpgid(0, 0) = 0 [pid 3915] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3915] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3915] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3915] write(3, "1000", 4) = 4 [pid 3915] close(3) = 0 [pid 3915] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3915] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3915] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3915] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3915] openat(3, "freezer.state", O_RDWR) = 4 [pid 3915] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3915] close(3) = 0 [pid 3915] close(4) = 0 [pid 3915] close(5) = -1 EBADF (Bad file descriptor) [pid 3915] close(6) = -1 EBADF (Bad file descriptor) [pid 3915] close(7) = -1 EBADF (Bad file descriptor) [pid 3915] close(8) = -1 EBADF (Bad file descriptor) [pid 3915] close(9) = -1 EBADF (Bad file descriptor) [pid 3915] close(10) = -1 EBADF (Bad file descriptor) [pid 3915] close(11) = -1 EBADF (Bad file descriptor) [pid 3915] close(12) = -1 EBADF (Bad file descriptor) [pid 3915] close(13) = -1 EBADF (Bad file descriptor) [pid 3915] close(14) = -1 EBADF (Bad file descriptor) [pid 3915] close(15) = -1 EBADF (Bad file descriptor) [pid 3915] close(16) = -1 EBADF (Bad file descriptor) [pid 3915] close(17) = -1 EBADF (Bad file descriptor) [pid 3915] close(18) = -1 EBADF (Bad file descriptor) [pid 3915] close(19) = -1 EBADF (Bad file descriptor) [pid 3915] close(20) = -1 EBADF (Bad file descriptor) [pid 3915] close(21) = -1 EBADF (Bad file descriptor) [pid 3915] close(22) = -1 EBADF (Bad file descriptor) [pid 3915] close(23) = -1 EBADF (Bad file descriptor) [pid 3915] close(24) = -1 EBADF (Bad file descriptor) [pid 3915] close(25) = -1 EBADF (Bad file descriptor) [pid 3915] close(26) = -1 EBADF (Bad file descriptor) [pid 3915] close(27) = -1 EBADF (Bad file descriptor) [pid 3915] close(28) = -1 EBADF (Bad file descriptor) [pid 3915] close(29) = -1 EBADF (Bad file descriptor) [pid 3915] exit_group(0) = ? [pid 3915] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./309", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./309/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./309/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./309/binderfs") = 0 [pid 3605] umount2("./309/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./309/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./309/cgroup") = 0 [pid 3605] umount2("./309/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./309/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./309/cgroup.net") = 0 [pid 3605] umount2("./309/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./309/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./309/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./309") = 0 [pid 3605] mkdir("./310", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3916 attached [pid 3916] chdir("./310") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 312 [pid 3916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3916] setpgid(0, 0) = 0 [pid 3916] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3916] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3916] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3916] write(3, "1000", 4) = 4 [pid 3916] close(3) = 0 [pid 3916] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3916] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3916] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3916] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3916] openat(3, "freezer.state", O_RDWR) = 4 [pid 3916] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3916] close(3) = 0 [pid 3916] close(4) = 0 [pid 3916] close(5) = -1 EBADF (Bad file descriptor) [pid 3916] close(6) = -1 EBADF (Bad file descriptor) [pid 3916] close(7) = -1 EBADF (Bad file descriptor) [pid 3916] close(8) = -1 EBADF (Bad file descriptor) [pid 3916] close(9) = -1 EBADF (Bad file descriptor) [pid 3916] close(10) = -1 EBADF (Bad file descriptor) [pid 3916] close(11) = -1 EBADF (Bad file descriptor) [pid 3916] close(12) = -1 EBADF (Bad file descriptor) [pid 3916] close(13) = -1 EBADF (Bad file descriptor) [pid 3916] close(14) = -1 EBADF (Bad file descriptor) [pid 3916] close(15) = -1 EBADF (Bad file descriptor) [pid 3916] close(16) = -1 EBADF (Bad file descriptor) [pid 3916] close(17) = -1 EBADF (Bad file descriptor) [pid 3916] close(18) = -1 EBADF (Bad file descriptor) [pid 3916] close(19) = -1 EBADF (Bad file descriptor) [pid 3916] close(20) = -1 EBADF (Bad file descriptor) [pid 3916] close(21) = -1 EBADF (Bad file descriptor) [pid 3916] close(22) = -1 EBADF (Bad file descriptor) [pid 3916] close(23) = -1 EBADF (Bad file descriptor) [pid 3916] close(24) = -1 EBADF (Bad file descriptor) [pid 3916] close(25) = -1 EBADF (Bad file descriptor) [pid 3916] close(26) = -1 EBADF (Bad file descriptor) [pid 3916] close(27) = -1 EBADF (Bad file descriptor) [pid 3916] close(28) = -1 EBADF (Bad file descriptor) [pid 3916] close(29) = -1 EBADF (Bad file descriptor) [pid 3916] exit_group(0) = ? [pid 3916] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./310", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./310/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./310/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./310/binderfs") = 0 [pid 3605] umount2("./310/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./310/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./310/cgroup") = 0 [pid 3605] umount2("./310/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./310/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./310/cgroup.net") = 0 [pid 3605] umount2("./310/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./310/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./310/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./310") = 0 [pid 3605] mkdir("./311", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3917 attached [pid 3917] chdir("./311") = 0 [pid 3917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 313 [pid 3917] <... prctl resumed>) = 0 [pid 3917] setpgid(0, 0) = 0 [pid 3917] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3917] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3917] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3917] write(3, "1000", 4) = 4 [pid 3917] close(3) = 0 [pid 3917] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3917] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3917] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3917] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3917] openat(3, "freezer.state", O_RDWR) = 4 [pid 3917] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3917] close(3) = 0 [pid 3917] close(4) = 0 [pid 3917] close(5) = -1 EBADF (Bad file descriptor) [pid 3917] close(6) = -1 EBADF (Bad file descriptor) [pid 3917] close(7) = -1 EBADF (Bad file descriptor) [pid 3917] close(8) = -1 EBADF (Bad file descriptor) [pid 3917] close(9) = -1 EBADF (Bad file descriptor) [pid 3917] close(10) = -1 EBADF (Bad file descriptor) [pid 3917] close(11) = -1 EBADF (Bad file descriptor) [pid 3917] close(12) = -1 EBADF (Bad file descriptor) [pid 3917] close(13) = -1 EBADF (Bad file descriptor) [pid 3917] close(14) = -1 EBADF (Bad file descriptor) [pid 3917] close(15) = -1 EBADF (Bad file descriptor) [pid 3917] close(16) = -1 EBADF (Bad file descriptor) [pid 3917] close(17) = -1 EBADF (Bad file descriptor) [pid 3917] close(18) = -1 EBADF (Bad file descriptor) [pid 3917] close(19) = -1 EBADF (Bad file descriptor) [pid 3917] close(20) = -1 EBADF (Bad file descriptor) [pid 3917] close(21) = -1 EBADF (Bad file descriptor) [pid 3917] close(22) = -1 EBADF (Bad file descriptor) [pid 3917] close(23) = -1 EBADF (Bad file descriptor) [pid 3917] close(24) = -1 EBADF (Bad file descriptor) [pid 3917] close(25) = -1 EBADF (Bad file descriptor) [pid 3917] close(26) = -1 EBADF (Bad file descriptor) [pid 3917] close(27) = -1 EBADF (Bad file descriptor) [pid 3917] close(28) = -1 EBADF (Bad file descriptor) [pid 3917] close(29) = -1 EBADF (Bad file descriptor) [pid 3917] exit_group(0) = ? [pid 3917] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./311", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./311/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./311/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./311/binderfs") = 0 [pid 3605] umount2("./311/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./311/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./311/cgroup") = 0 [pid 3605] umount2("./311/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./311/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./311/cgroup.net") = 0 [pid 3605] umount2("./311/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./311/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./311/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./311") = 0 [pid 3605] mkdir("./312", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3918 attached [pid 3918] chdir("./312") = 0 [pid 3918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3918] setpgid(0, 0) = 0 [pid 3918] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 314 [pid 3918] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3918] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3918] write(3, "1000", 4) = 4 [pid 3918] close(3) = 0 [pid 3918] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3918] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3918] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3918] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3918] openat(3, "freezer.state", O_RDWR) = 4 [pid 3918] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3918] close(3) = 0 [pid 3918] close(4) = 0 [pid 3918] close(5) = -1 EBADF (Bad file descriptor) [pid 3918] close(6) = -1 EBADF (Bad file descriptor) [pid 3918] close(7) = -1 EBADF (Bad file descriptor) [pid 3918] close(8) = -1 EBADF (Bad file descriptor) [pid 3918] close(9) = -1 EBADF (Bad file descriptor) [pid 3918] close(10) = -1 EBADF (Bad file descriptor) [pid 3918] close(11) = -1 EBADF (Bad file descriptor) [pid 3918] close(12) = -1 EBADF (Bad file descriptor) [pid 3918] close(13) = -1 EBADF (Bad file descriptor) [pid 3918] close(14) = -1 EBADF (Bad file descriptor) [pid 3918] close(15) = -1 EBADF (Bad file descriptor) [pid 3918] close(16) = -1 EBADF (Bad file descriptor) [pid 3918] close(17) = -1 EBADF (Bad file descriptor) [pid 3918] close(18) = -1 EBADF (Bad file descriptor) [pid 3918] close(19) = -1 EBADF (Bad file descriptor) [pid 3918] close(20) = -1 EBADF (Bad file descriptor) [pid 3918] close(21) = -1 EBADF (Bad file descriptor) [pid 3918] close(22) = -1 EBADF (Bad file descriptor) [pid 3918] close(23) = -1 EBADF (Bad file descriptor) [pid 3918] close(24) = -1 EBADF (Bad file descriptor) [pid 3918] close(25) = -1 EBADF (Bad file descriptor) [pid 3918] close(26) = -1 EBADF (Bad file descriptor) [pid 3918] close(27) = -1 EBADF (Bad file descriptor) [pid 3918] close(28) = -1 EBADF (Bad file descriptor) [pid 3918] close(29) = -1 EBADF (Bad file descriptor) [pid 3918] exit_group(0) = ? [pid 3918] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./312", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./312/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./312/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./312/binderfs") = 0 [pid 3605] umount2("./312/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./312/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./312/cgroup") = 0 [pid 3605] umount2("./312/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./312/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./312/cgroup.net") = 0 [pid 3605] umount2("./312/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./312/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./312/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./312") = 0 [pid 3605] mkdir("./313", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3919 attached [pid 3919] chdir("./313") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 315 [pid 3919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3919] setpgid(0, 0) = 0 [pid 3919] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3919] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3919] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3919] write(3, "1000", 4) = 4 [pid 3919] close(3) = 0 [pid 3919] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3919] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3919] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3919] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3919] openat(3, "freezer.state", O_RDWR) = 4 [pid 3919] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3919] close(3) = 0 [pid 3919] close(4) = 0 [pid 3919] close(5) = -1 EBADF (Bad file descriptor) [pid 3919] close(6) = -1 EBADF (Bad file descriptor) [pid 3919] close(7) = -1 EBADF (Bad file descriptor) [pid 3919] close(8) = -1 EBADF (Bad file descriptor) [pid 3919] close(9) = -1 EBADF (Bad file descriptor) [pid 3919] close(10) = -1 EBADF (Bad file descriptor) [pid 3919] close(11) = -1 EBADF (Bad file descriptor) [pid 3919] close(12) = -1 EBADF (Bad file descriptor) [pid 3919] close(13) = -1 EBADF (Bad file descriptor) [pid 3919] close(14) = -1 EBADF (Bad file descriptor) [pid 3919] close(15) = -1 EBADF (Bad file descriptor) [pid 3919] close(16) = -1 EBADF (Bad file descriptor) [pid 3919] close(17) = -1 EBADF (Bad file descriptor) [pid 3919] close(18) = -1 EBADF (Bad file descriptor) [pid 3919] close(19) = -1 EBADF (Bad file descriptor) [pid 3919] close(20) = -1 EBADF (Bad file descriptor) [pid 3919] close(21) = -1 EBADF (Bad file descriptor) [pid 3919] close(22) = -1 EBADF (Bad file descriptor) [pid 3919] close(23) = -1 EBADF (Bad file descriptor) [pid 3919] close(24) = -1 EBADF (Bad file descriptor) [pid 3919] close(25) = -1 EBADF (Bad file descriptor) [pid 3919] close(26) = -1 EBADF (Bad file descriptor) [pid 3919] close(27) = -1 EBADF (Bad file descriptor) [pid 3919] close(28) = -1 EBADF (Bad file descriptor) [pid 3919] close(29) = -1 EBADF (Bad file descriptor) [pid 3919] exit_group(0) = ? [pid 3919] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./313", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./313/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./313/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./313/binderfs") = 0 [pid 3605] umount2("./313/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./313/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./313/cgroup") = 0 [pid 3605] umount2("./313/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./313/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./313/cgroup.net") = 0 [pid 3605] umount2("./313/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./313/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./313/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./313") = 0 [pid 3605] mkdir("./314", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3920 attached [pid 3920] chdir("./314" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 316 [pid 3920] <... chdir resumed>) = 0 [pid 3920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3920] setpgid(0, 0) = 0 [pid 3920] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3920] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3920] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3920] write(3, "1000", 4) = 4 [pid 3920] close(3) = 0 [pid 3920] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3920] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3920] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3920] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3920] openat(3, "freezer.state", O_RDWR) = 4 [pid 3920] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3920] close(3) = 0 [pid 3920] close(4) = 0 [pid 3920] close(5) = -1 EBADF (Bad file descriptor) [pid 3920] close(6) = -1 EBADF (Bad file descriptor) [pid 3920] close(7) = -1 EBADF (Bad file descriptor) [pid 3920] close(8) = -1 EBADF (Bad file descriptor) [pid 3920] close(9) = -1 EBADF (Bad file descriptor) [pid 3920] close(10) = -1 EBADF (Bad file descriptor) [pid 3920] close(11) = -1 EBADF (Bad file descriptor) [pid 3920] close(12) = -1 EBADF (Bad file descriptor) [pid 3920] close(13) = -1 EBADF (Bad file descriptor) [pid 3920] close(14) = -1 EBADF (Bad file descriptor) [pid 3920] close(15) = -1 EBADF (Bad file descriptor) [pid 3920] close(16) = -1 EBADF (Bad file descriptor) [pid 3920] close(17) = -1 EBADF (Bad file descriptor) [pid 3920] close(18) = -1 EBADF (Bad file descriptor) [pid 3920] close(19) = -1 EBADF (Bad file descriptor) [pid 3920] close(20) = -1 EBADF (Bad file descriptor) [pid 3920] close(21) = -1 EBADF (Bad file descriptor) [pid 3920] close(22) = -1 EBADF (Bad file descriptor) [pid 3920] close(23) = -1 EBADF (Bad file descriptor) [pid 3920] close(24) = -1 EBADF (Bad file descriptor) [pid 3920] close(25) = -1 EBADF (Bad file descriptor) [pid 3920] close(26) = -1 EBADF (Bad file descriptor) [pid 3920] close(27) = -1 EBADF (Bad file descriptor) [pid 3920] close(28) = -1 EBADF (Bad file descriptor) [pid 3920] close(29) = -1 EBADF (Bad file descriptor) [pid 3920] exit_group(0) = ? [pid 3920] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./314", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./314/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./314/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./314/binderfs") = 0 [pid 3605] umount2("./314/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./314/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./314/cgroup") = 0 [pid 3605] umount2("./314/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./314/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./314/cgroup.net") = 0 [pid 3605] umount2("./314/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./314/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./314/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./314") = 0 [pid 3605] mkdir("./315", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3921 attached [pid 3921] chdir("./315") = 0 [pid 3921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 317 [pid 3921] <... prctl resumed>) = 0 [pid 3921] setpgid(0, 0) = 0 [pid 3921] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3921] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3921] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3921] write(3, "1000", 4) = 4 [pid 3921] close(3) = 0 [pid 3921] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3921] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3921] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3921] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3921] openat(3, "freezer.state", O_RDWR) = 4 [pid 3921] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3921] close(3) = 0 [pid 3921] close(4) = 0 [pid 3921] close(5) = -1 EBADF (Bad file descriptor) [pid 3921] close(6) = -1 EBADF (Bad file descriptor) [pid 3921] close(7) = -1 EBADF (Bad file descriptor) [pid 3921] close(8) = -1 EBADF (Bad file descriptor) [pid 3921] close(9) = -1 EBADF (Bad file descriptor) [pid 3921] close(10) = -1 EBADF (Bad file descriptor) [pid 3921] close(11) = -1 EBADF (Bad file descriptor) [pid 3921] close(12) = -1 EBADF (Bad file descriptor) [pid 3921] close(13) = -1 EBADF (Bad file descriptor) [pid 3921] close(14) = -1 EBADF (Bad file descriptor) [pid 3921] close(15) = -1 EBADF (Bad file descriptor) [pid 3921] close(16) = -1 EBADF (Bad file descriptor) [pid 3921] close(17) = -1 EBADF (Bad file descriptor) [pid 3921] close(18) = -1 EBADF (Bad file descriptor) [pid 3921] close(19) = -1 EBADF (Bad file descriptor) [pid 3921] close(20) = -1 EBADF (Bad file descriptor) [pid 3921] close(21) = -1 EBADF (Bad file descriptor) [pid 3921] close(22) = -1 EBADF (Bad file descriptor) [pid 3921] close(23) = -1 EBADF (Bad file descriptor) [pid 3921] close(24) = -1 EBADF (Bad file descriptor) [pid 3921] close(25) = -1 EBADF (Bad file descriptor) [pid 3921] close(26) = -1 EBADF (Bad file descriptor) [pid 3921] close(27) = -1 EBADF (Bad file descriptor) [pid 3921] close(28) = -1 EBADF (Bad file descriptor) [pid 3921] close(29) = -1 EBADF (Bad file descriptor) [pid 3921] exit_group(0) = ? [pid 3921] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./315", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./315/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./315/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./315/binderfs") = 0 [pid 3605] umount2("./315/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./315/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./315/cgroup") = 0 [pid 3605] umount2("./315/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./315/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./315/cgroup.net") = 0 [pid 3605] umount2("./315/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./315/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./315/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./315") = 0 [pid 3605] mkdir("./316", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3922 attached [pid 3922] chdir("./316") = 0 [pid 3922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3922] setpgid(0, 0) = 0 [pid 3922] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 318 [pid 3922] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3922] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3922] write(3, "1000", 4) = 4 [pid 3922] close(3) = 0 [pid 3922] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3922] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3922] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3922] openat(3, "freezer.state", O_RDWR) = 4 [pid 3922] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3922] close(3) = 0 [pid 3922] close(4) = 0 [pid 3922] close(5) = -1 EBADF (Bad file descriptor) [pid 3922] close(6) = -1 EBADF (Bad file descriptor) [pid 3922] close(7) = -1 EBADF (Bad file descriptor) [pid 3922] close(8) = -1 EBADF (Bad file descriptor) [pid 3922] close(9) = -1 EBADF (Bad file descriptor) [pid 3922] close(10) = -1 EBADF (Bad file descriptor) [pid 3922] close(11) = -1 EBADF (Bad file descriptor) [pid 3922] close(12) = -1 EBADF (Bad file descriptor) [pid 3922] close(13) = -1 EBADF (Bad file descriptor) [pid 3922] close(14) = -1 EBADF (Bad file descriptor) [pid 3922] close(15) = -1 EBADF (Bad file descriptor) [pid 3922] close(16) = -1 EBADF (Bad file descriptor) [pid 3922] close(17) = -1 EBADF (Bad file descriptor) [pid 3922] close(18) = -1 EBADF (Bad file descriptor) [pid 3922] close(19) = -1 EBADF (Bad file descriptor) [pid 3922] close(20) = -1 EBADF (Bad file descriptor) [pid 3922] close(21) = -1 EBADF (Bad file descriptor) [pid 3922] close(22) = -1 EBADF (Bad file descriptor) [pid 3922] close(23) = -1 EBADF (Bad file descriptor) [pid 3922] close(24) = -1 EBADF (Bad file descriptor) [pid 3922] close(25) = -1 EBADF (Bad file descriptor) [pid 3922] close(26) = -1 EBADF (Bad file descriptor) [pid 3922] close(27) = -1 EBADF (Bad file descriptor) [pid 3922] close(28) = -1 EBADF (Bad file descriptor) [pid 3922] close(29) = -1 EBADF (Bad file descriptor) [pid 3922] exit_group(0) = ? [pid 3922] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./316", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./316/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./316/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./316/binderfs") = 0 [pid 3605] umount2("./316/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./316/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./316/cgroup") = 0 [pid 3605] umount2("./316/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./316/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./316/cgroup.net") = 0 [pid 3605] umount2("./316/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./316/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./316/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./316") = 0 [pid 3605] mkdir("./317", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3923 attached [pid 3923] chdir("./317" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 319 [pid 3923] <... chdir resumed>) = 0 [pid 3923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3923] setpgid(0, 0) = 0 [pid 3923] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3923] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3923] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3923] write(3, "1000", 4) = 4 [pid 3923] close(3) = 0 [pid 3923] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3923] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3923] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3923] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3923] openat(3, "freezer.state", O_RDWR) = 4 [pid 3923] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3923] close(3) = 0 [pid 3923] close(4) = 0 [pid 3923] close(5) = -1 EBADF (Bad file descriptor) [pid 3923] close(6) = -1 EBADF (Bad file descriptor) [pid 3923] close(7) = -1 EBADF (Bad file descriptor) [pid 3923] close(8) = -1 EBADF (Bad file descriptor) [pid 3923] close(9) = -1 EBADF (Bad file descriptor) [pid 3923] close(10) = -1 EBADF (Bad file descriptor) [pid 3923] close(11) = -1 EBADF (Bad file descriptor) [pid 3923] close(12) = -1 EBADF (Bad file descriptor) [pid 3923] close(13) = -1 EBADF (Bad file descriptor) [pid 3923] close(14) = -1 EBADF (Bad file descriptor) [pid 3923] close(15) = -1 EBADF (Bad file descriptor) [pid 3923] close(16) = -1 EBADF (Bad file descriptor) [pid 3923] close(17) = -1 EBADF (Bad file descriptor) [pid 3923] close(18) = -1 EBADF (Bad file descriptor) [pid 3923] close(19) = -1 EBADF (Bad file descriptor) [pid 3923] close(20) = -1 EBADF (Bad file descriptor) [pid 3923] close(21) = -1 EBADF (Bad file descriptor) [pid 3923] close(22) = -1 EBADF (Bad file descriptor) [pid 3923] close(23) = -1 EBADF (Bad file descriptor) [pid 3923] close(24) = -1 EBADF (Bad file descriptor) [pid 3923] close(25) = -1 EBADF (Bad file descriptor) [pid 3923] close(26) = -1 EBADF (Bad file descriptor) [pid 3923] close(27) = -1 EBADF (Bad file descriptor) [pid 3923] close(28) = -1 EBADF (Bad file descriptor) [pid 3923] close(29) = -1 EBADF (Bad file descriptor) [pid 3923] exit_group(0) = ? [pid 3923] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./317", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./317/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./317/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./317/binderfs") = 0 [pid 3605] umount2("./317/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./317/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./317/cgroup") = 0 [pid 3605] umount2("./317/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./317/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./317/cgroup.net") = 0 [pid 3605] umount2("./317/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./317/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./317/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./317") = 0 [pid 3605] mkdir("./318", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3924 attached [pid 3924] chdir("./318") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 320 [pid 3924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3924] setpgid(0, 0) = 0 [pid 3924] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3924] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3924] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3924] write(3, "1000", 4) = 4 [pid 3924] close(3) = 0 [pid 3924] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3924] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3924] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3924] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3924] openat(3, "freezer.state", O_RDWR) = 4 [pid 3924] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3924] close(3) = 0 [pid 3924] close(4) = 0 [pid 3924] close(5) = -1 EBADF (Bad file descriptor) [pid 3924] close(6) = -1 EBADF (Bad file descriptor) [pid 3924] close(7) = -1 EBADF (Bad file descriptor) [pid 3924] close(8) = -1 EBADF (Bad file descriptor) [pid 3924] close(9) = -1 EBADF (Bad file descriptor) [pid 3924] close(10) = -1 EBADF (Bad file descriptor) [pid 3924] close(11) = -1 EBADF (Bad file descriptor) [pid 3924] close(12) = -1 EBADF (Bad file descriptor) [pid 3924] close(13) = -1 EBADF (Bad file descriptor) [pid 3924] close(14) = -1 EBADF (Bad file descriptor) [pid 3924] close(15) = -1 EBADF (Bad file descriptor) [pid 3924] close(16) = -1 EBADF (Bad file descriptor) [pid 3924] close(17) = -1 EBADF (Bad file descriptor) [pid 3924] close(18) = -1 EBADF (Bad file descriptor) [pid 3924] close(19) = -1 EBADF (Bad file descriptor) [pid 3924] close(20) = -1 EBADF (Bad file descriptor) [pid 3924] close(21) = -1 EBADF (Bad file descriptor) [pid 3924] close(22) = -1 EBADF (Bad file descriptor) [pid 3924] close(23) = -1 EBADF (Bad file descriptor) [pid 3924] close(24) = -1 EBADF (Bad file descriptor) [pid 3924] close(25) = -1 EBADF (Bad file descriptor) [pid 3924] close(26) = -1 EBADF (Bad file descriptor) [pid 3924] close(27) = -1 EBADF (Bad file descriptor) [pid 3924] close(28) = -1 EBADF (Bad file descriptor) [pid 3924] close(29) = -1 EBADF (Bad file descriptor) [pid 3924] exit_group(0) = ? [pid 3924] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./318", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./318/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./318/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./318/binderfs") = 0 [pid 3605] umount2("./318/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./318/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./318/cgroup") = 0 [pid 3605] umount2("./318/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./318/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./318/cgroup.net") = 0 [pid 3605] umount2("./318/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./318/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./318/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./318") = 0 [pid 3605] mkdir("./319", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3925 attached , child_tidptr=0x555556c0f5d0) = 321 [pid 3925] chdir("./319") = 0 [pid 3925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3925] setpgid(0, 0) = 0 [pid 3925] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3925] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3925] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3925] write(3, "1000", 4) = 4 [pid 3925] close(3) = 0 [pid 3925] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3925] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3925] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3925] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3925] openat(3, "freezer.state", O_RDWR) = 4 [pid 3925] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3925] close(3) = 0 [pid 3925] close(4) = 0 [pid 3925] close(5) = -1 EBADF (Bad file descriptor) [pid 3925] close(6) = -1 EBADF (Bad file descriptor) [pid 3925] close(7) = -1 EBADF (Bad file descriptor) [pid 3925] close(8) = -1 EBADF (Bad file descriptor) [pid 3925] close(9) = -1 EBADF (Bad file descriptor) [pid 3925] close(10) = -1 EBADF (Bad file descriptor) [pid 3925] close(11) = -1 EBADF (Bad file descriptor) [pid 3925] close(12) = -1 EBADF (Bad file descriptor) [pid 3925] close(13) = -1 EBADF (Bad file descriptor) [pid 3925] close(14) = -1 EBADF (Bad file descriptor) [pid 3925] close(15) = -1 EBADF (Bad file descriptor) [pid 3925] close(16) = -1 EBADF (Bad file descriptor) [pid 3925] close(17) = -1 EBADF (Bad file descriptor) [pid 3925] close(18) = -1 EBADF (Bad file descriptor) [pid 3925] close(19) = -1 EBADF (Bad file descriptor) [pid 3925] close(20) = -1 EBADF (Bad file descriptor) [pid 3925] close(21) = -1 EBADF (Bad file descriptor) [pid 3925] close(22) = -1 EBADF (Bad file descriptor) [pid 3925] close(23) = -1 EBADF (Bad file descriptor) [pid 3925] close(24) = -1 EBADF (Bad file descriptor) [pid 3925] close(25) = -1 EBADF (Bad file descriptor) [pid 3925] close(26) = -1 EBADF (Bad file descriptor) [pid 3925] close(27) = -1 EBADF (Bad file descriptor) [pid 3925] close(28) = -1 EBADF (Bad file descriptor) [pid 3925] close(29) = -1 EBADF (Bad file descriptor) [pid 3925] exit_group(0) = ? [pid 3925] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./319", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./319/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./319/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./319/binderfs") = 0 [pid 3605] umount2("./319/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./319/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./319/cgroup") = 0 [pid 3605] umount2("./319/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./319/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./319/cgroup.net") = 0 [pid 3605] umount2("./319/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./319/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./319/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./319") = 0 [pid 3605] mkdir("./320", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 322 ./strace-static-x86_64: Process 3926 attached [pid 3926] chdir("./320") = 0 [pid 3926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3926] setpgid(0, 0) = 0 [pid 3926] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3926] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3926] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3926] write(3, "1000", 4) = 4 [pid 3926] close(3) = 0 [pid 3926] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3926] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3926] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3926] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3926] openat(3, "freezer.state", O_RDWR) = 4 [pid 3926] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3926] close(3) = 0 [pid 3926] close(4) = 0 [pid 3926] close(5) = -1 EBADF (Bad file descriptor) [pid 3926] close(6) = -1 EBADF (Bad file descriptor) [pid 3926] close(7) = -1 EBADF (Bad file descriptor) [pid 3926] close(8) = -1 EBADF (Bad file descriptor) [pid 3926] close(9) = -1 EBADF (Bad file descriptor) [pid 3926] close(10) = -1 EBADF (Bad file descriptor) [pid 3926] close(11) = -1 EBADF (Bad file descriptor) [pid 3926] close(12) = -1 EBADF (Bad file descriptor) [pid 3926] close(13) = -1 EBADF (Bad file descriptor) [pid 3926] close(14) = -1 EBADF (Bad file descriptor) [pid 3926] close(15) = -1 EBADF (Bad file descriptor) [pid 3926] close(16) = -1 EBADF (Bad file descriptor) [pid 3926] close(17) = -1 EBADF (Bad file descriptor) [pid 3926] close(18) = -1 EBADF (Bad file descriptor) [pid 3926] close(19) = -1 EBADF (Bad file descriptor) [pid 3926] close(20) = -1 EBADF (Bad file descriptor) [pid 3926] close(21) = -1 EBADF (Bad file descriptor) [pid 3926] close(22) = -1 EBADF (Bad file descriptor) [pid 3926] close(23) = -1 EBADF (Bad file descriptor) [pid 3926] close(24) = -1 EBADF (Bad file descriptor) [pid 3926] close(25) = -1 EBADF (Bad file descriptor) [pid 3926] close(26) = -1 EBADF (Bad file descriptor) [pid 3926] close(27) = -1 EBADF (Bad file descriptor) [pid 3926] close(28) = -1 EBADF (Bad file descriptor) [pid 3926] close(29) = -1 EBADF (Bad file descriptor) [pid 3926] exit_group(0) = ? [pid 3926] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./320", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./320", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./320/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./320/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./320/binderfs") = 0 [pid 3605] umount2("./320/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./320/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./320/cgroup") = 0 [pid 3605] umount2("./320/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./320/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./320/cgroup.net") = 0 [pid 3605] umount2("./320/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./320/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./320/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./320") = 0 [pid 3605] mkdir("./321", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3927 attached , child_tidptr=0x555556c0f5d0) = 323 [pid 3927] chdir("./321") = 0 [pid 3927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3927] setpgid(0, 0) = 0 [pid 3927] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3927] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3927] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3927] write(3, "1000", 4) = 4 [pid 3927] close(3) = 0 [pid 3927] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3927] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3927] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3927] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3927] openat(3, "freezer.state", O_RDWR) = 4 [pid 3927] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3927] close(3) = 0 [pid 3927] close(4) = 0 [pid 3927] close(5) = -1 EBADF (Bad file descriptor) [pid 3927] close(6) = -1 EBADF (Bad file descriptor) [pid 3927] close(7) = -1 EBADF (Bad file descriptor) [pid 3927] close(8) = -1 EBADF (Bad file descriptor) [pid 3927] close(9) = -1 EBADF (Bad file descriptor) [pid 3927] close(10) = -1 EBADF (Bad file descriptor) [pid 3927] close(11) = -1 EBADF (Bad file descriptor) [pid 3927] close(12) = -1 EBADF (Bad file descriptor) [pid 3927] close(13) = -1 EBADF (Bad file descriptor) [pid 3927] close(14) = -1 EBADF (Bad file descriptor) [pid 3927] close(15) = -1 EBADF (Bad file descriptor) [pid 3927] close(16) = -1 EBADF (Bad file descriptor) [pid 3927] close(17) = -1 EBADF (Bad file descriptor) [pid 3927] close(18) = -1 EBADF (Bad file descriptor) [pid 3927] close(19) = -1 EBADF (Bad file descriptor) [pid 3927] close(20) = -1 EBADF (Bad file descriptor) [pid 3927] close(21) = -1 EBADF (Bad file descriptor) [pid 3927] close(22) = -1 EBADF (Bad file descriptor) [pid 3927] close(23) = -1 EBADF (Bad file descriptor) [pid 3927] close(24) = -1 EBADF (Bad file descriptor) [pid 3927] close(25) = -1 EBADF (Bad file descriptor) [pid 3927] close(26) = -1 EBADF (Bad file descriptor) [pid 3927] close(27) = -1 EBADF (Bad file descriptor) [pid 3927] close(28) = -1 EBADF (Bad file descriptor) [pid 3927] close(29) = -1 EBADF (Bad file descriptor) [pid 3927] exit_group(0) = ? [pid 3927] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./321", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./321", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./321/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./321/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./321/binderfs") = 0 [pid 3605] umount2("./321/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./321/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./321/cgroup") = 0 [pid 3605] umount2("./321/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./321/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./321/cgroup.net") = 0 [pid 3605] umount2("./321/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./321/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./321/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./321") = 0 [pid 3605] mkdir("./322", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3928 attached , child_tidptr=0x555556c0f5d0) = 324 [pid 3928] chdir("./322") = 0 [pid 3928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3928] setpgid(0, 0) = 0 [pid 3928] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3928] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3928] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3928] write(3, "1000", 4) = 4 [pid 3928] close(3) = 0 [pid 3928] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3928] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3928] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3928] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3928] openat(3, "freezer.state", O_RDWR) = 4 [pid 3928] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3928] close(3) = 0 [pid 3928] close(4) = 0 [pid 3928] close(5) = -1 EBADF (Bad file descriptor) [pid 3928] close(6) = -1 EBADF (Bad file descriptor) [pid 3928] close(7) = -1 EBADF (Bad file descriptor) [pid 3928] close(8) = -1 EBADF (Bad file descriptor) [pid 3928] close(9) = -1 EBADF (Bad file descriptor) [pid 3928] close(10) = -1 EBADF (Bad file descriptor) [pid 3928] close(11) = -1 EBADF (Bad file descriptor) [pid 3928] close(12) = -1 EBADF (Bad file descriptor) [pid 3928] close(13) = -1 EBADF (Bad file descriptor) [pid 3928] close(14) = -1 EBADF (Bad file descriptor) [pid 3928] close(15) = -1 EBADF (Bad file descriptor) [pid 3928] close(16) = -1 EBADF (Bad file descriptor) [pid 3928] close(17) = -1 EBADF (Bad file descriptor) [pid 3928] close(18) = -1 EBADF (Bad file descriptor) [pid 3928] close(19) = -1 EBADF (Bad file descriptor) [pid 3928] close(20) = -1 EBADF (Bad file descriptor) [pid 3928] close(21) = -1 EBADF (Bad file descriptor) [pid 3928] close(22) = -1 EBADF (Bad file descriptor) [pid 3928] close(23) = -1 EBADF (Bad file descriptor) [pid 3928] close(24) = -1 EBADF (Bad file descriptor) [pid 3928] close(25) = -1 EBADF (Bad file descriptor) [pid 3928] close(26) = -1 EBADF (Bad file descriptor) [pid 3928] close(27) = -1 EBADF (Bad file descriptor) [pid 3928] close(28) = -1 EBADF (Bad file descriptor) [pid 3928] close(29) = -1 EBADF (Bad file descriptor) [pid 3928] exit_group(0) = ? [pid 3928] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./322", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./322", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./322/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./322/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./322/binderfs") = 0 [pid 3605] umount2("./322/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./322/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./322/cgroup") = 0 [pid 3605] umount2("./322/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./322/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./322/cgroup.net") = 0 [pid 3605] umount2("./322/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./322/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./322/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./322") = 0 [pid 3605] mkdir("./323", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3929 attached , child_tidptr=0x555556c0f5d0) = 325 [pid 3929] chdir("./323") = 0 [pid 3929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3929] setpgid(0, 0) = 0 [pid 3929] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3929] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3929] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3929] write(3, "1000", 4) = 4 [pid 3929] close(3) = 0 [pid 3929] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3929] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3929] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3929] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3929] openat(3, "freezer.state", O_RDWR) = 4 [pid 3929] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3929] close(3) = 0 [pid 3929] close(4) = 0 [pid 3929] close(5) = -1 EBADF (Bad file descriptor) [pid 3929] close(6) = -1 EBADF (Bad file descriptor) [pid 3929] close(7) = -1 EBADF (Bad file descriptor) [pid 3929] close(8) = -1 EBADF (Bad file descriptor) [pid 3929] close(9) = -1 EBADF (Bad file descriptor) [pid 3929] close(10) = -1 EBADF (Bad file descriptor) [pid 3929] close(11) = -1 EBADF (Bad file descriptor) [pid 3929] close(12) = -1 EBADF (Bad file descriptor) [pid 3929] close(13) = -1 EBADF (Bad file descriptor) [pid 3929] close(14) = -1 EBADF (Bad file descriptor) [pid 3929] close(15) = -1 EBADF (Bad file descriptor) [pid 3929] close(16) = -1 EBADF (Bad file descriptor) [pid 3929] close(17) = -1 EBADF (Bad file descriptor) [pid 3929] close(18) = -1 EBADF (Bad file descriptor) [pid 3929] close(19) = -1 EBADF (Bad file descriptor) [pid 3929] close(20) = -1 EBADF (Bad file descriptor) [pid 3929] close(21) = -1 EBADF (Bad file descriptor) [pid 3929] close(22) = -1 EBADF (Bad file descriptor) [pid 3929] close(23) = -1 EBADF (Bad file descriptor) [pid 3929] close(24) = -1 EBADF (Bad file descriptor) [pid 3929] close(25) = -1 EBADF (Bad file descriptor) [pid 3929] close(26) = -1 EBADF (Bad file descriptor) [pid 3929] close(27) = -1 EBADF (Bad file descriptor) [pid 3929] close(28) = -1 EBADF (Bad file descriptor) [pid 3929] close(29) = -1 EBADF (Bad file descriptor) [pid 3929] exit_group(0) = ? [pid 3929] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./323", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./323", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./323/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./323/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./323/binderfs") = 0 [pid 3605] umount2("./323/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./323/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./323/cgroup") = 0 [pid 3605] umount2("./323/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./323/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./323/cgroup.net") = 0 [pid 3605] umount2("./323/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./323/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./323/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./323") = 0 [pid 3605] mkdir("./324", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3930 attached , child_tidptr=0x555556c0f5d0) = 326 [pid 3930] chdir("./324") = 0 [pid 3930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3930] setpgid(0, 0) = 0 [pid 3930] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3930] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3930] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3930] write(3, "1000", 4) = 4 [pid 3930] close(3) = 0 [pid 3930] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3930] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3930] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3930] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3930] openat(3, "freezer.state", O_RDWR) = 4 [pid 3930] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3930] close(3) = 0 [pid 3930] close(4) = 0 [pid 3930] close(5) = -1 EBADF (Bad file descriptor) [pid 3930] close(6) = -1 EBADF (Bad file descriptor) [pid 3930] close(7) = -1 EBADF (Bad file descriptor) [pid 3930] close(8) = -1 EBADF (Bad file descriptor) [pid 3930] close(9) = -1 EBADF (Bad file descriptor) [pid 3930] close(10) = -1 EBADF (Bad file descriptor) [pid 3930] close(11) = -1 EBADF (Bad file descriptor) [pid 3930] close(12) = -1 EBADF (Bad file descriptor) [pid 3930] close(13) = -1 EBADF (Bad file descriptor) [pid 3930] close(14) = -1 EBADF (Bad file descriptor) [pid 3930] close(15) = -1 EBADF (Bad file descriptor) [pid 3930] close(16) = -1 EBADF (Bad file descriptor) [pid 3930] close(17) = -1 EBADF (Bad file descriptor) [pid 3930] close(18) = -1 EBADF (Bad file descriptor) [pid 3930] close(19) = -1 EBADF (Bad file descriptor) [pid 3930] close(20) = -1 EBADF (Bad file descriptor) [pid 3930] close(21) = -1 EBADF (Bad file descriptor) [pid 3930] close(22) = -1 EBADF (Bad file descriptor) [pid 3930] close(23) = -1 EBADF (Bad file descriptor) [pid 3930] close(24) = -1 EBADF (Bad file descriptor) [pid 3930] close(25) = -1 EBADF (Bad file descriptor) [pid 3930] close(26) = -1 EBADF (Bad file descriptor) [pid 3930] close(27) = -1 EBADF (Bad file descriptor) [pid 3930] close(28) = -1 EBADF (Bad file descriptor) [pid 3930] close(29) = -1 EBADF (Bad file descriptor) [pid 3930] exit_group(0) = ? [pid 3930] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./324", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./324", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./324/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./324/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./324/binderfs") = 0 [pid 3605] umount2("./324/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./324/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./324/cgroup") = 0 [pid 3605] umount2("./324/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./324/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./324/cgroup.net") = 0 [pid 3605] umount2("./324/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./324/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./324/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./324") = 0 [pid 3605] mkdir("./325", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3931 attached [pid 3931] chdir("./325") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 327 [pid 3931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3931] setpgid(0, 0) = 0 [pid 3931] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3931] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3931] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3931] write(3, "1000", 4) = 4 [pid 3931] close(3) = 0 [pid 3931] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3931] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3931] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3931] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3931] openat(3, "freezer.state", O_RDWR) = 4 [pid 3931] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3931] close(3) = 0 [pid 3931] close(4) = 0 [pid 3931] close(5) = -1 EBADF (Bad file descriptor) [pid 3931] close(6) = -1 EBADF (Bad file descriptor) [pid 3931] close(7) = -1 EBADF (Bad file descriptor) [pid 3931] close(8) = -1 EBADF (Bad file descriptor) [pid 3931] close(9) = -1 EBADF (Bad file descriptor) [pid 3931] close(10) = -1 EBADF (Bad file descriptor) [pid 3931] close(11) = -1 EBADF (Bad file descriptor) [pid 3931] close(12) = -1 EBADF (Bad file descriptor) [pid 3931] close(13) = -1 EBADF (Bad file descriptor) [pid 3931] close(14) = -1 EBADF (Bad file descriptor) [pid 3931] close(15) = -1 EBADF (Bad file descriptor) [pid 3931] close(16) = -1 EBADF (Bad file descriptor) [pid 3931] close(17) = -1 EBADF (Bad file descriptor) [pid 3931] close(18) = -1 EBADF (Bad file descriptor) [pid 3931] close(19) = -1 EBADF (Bad file descriptor) [pid 3931] close(20) = -1 EBADF (Bad file descriptor) [pid 3931] close(21) = -1 EBADF (Bad file descriptor) [pid 3931] close(22) = -1 EBADF (Bad file descriptor) [pid 3931] close(23) = -1 EBADF (Bad file descriptor) [pid 3931] close(24) = -1 EBADF (Bad file descriptor) [pid 3931] close(25) = -1 EBADF (Bad file descriptor) [pid 3931] close(26) = -1 EBADF (Bad file descriptor) [pid 3931] close(27) = -1 EBADF (Bad file descriptor) [pid 3931] close(28) = -1 EBADF (Bad file descriptor) [pid 3931] close(29) = -1 EBADF (Bad file descriptor) [pid 3931] exit_group(0) = ? [pid 3931] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./325", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./325", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./325/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./325/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./325/binderfs") = 0 [pid 3605] umount2("./325/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./325/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./325/cgroup") = 0 [pid 3605] umount2("./325/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./325/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./325/cgroup.net") = 0 [pid 3605] umount2("./325/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./325/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./325/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./325") = 0 [pid 3605] mkdir("./326", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3932 attached [pid 3932] chdir("./326") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 328 [pid 3932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3932] setpgid(0, 0) = 0 [pid 3932] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3932] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3932] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3932] write(3, "1000", 4) = 4 [pid 3932] close(3) = 0 [pid 3932] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3932] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3932] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3932] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3932] openat(3, "freezer.state", O_RDWR) = 4 [pid 3932] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3932] close(3) = 0 [pid 3932] close(4) = 0 [pid 3932] close(5) = -1 EBADF (Bad file descriptor) [pid 3932] close(6) = -1 EBADF (Bad file descriptor) [pid 3932] close(7) = -1 EBADF (Bad file descriptor) [pid 3932] close(8) = -1 EBADF (Bad file descriptor) [pid 3932] close(9) = -1 EBADF (Bad file descriptor) [pid 3932] close(10) = -1 EBADF (Bad file descriptor) [pid 3932] close(11) = -1 EBADF (Bad file descriptor) [pid 3932] close(12) = -1 EBADF (Bad file descriptor) [pid 3932] close(13) = -1 EBADF (Bad file descriptor) [pid 3932] close(14) = -1 EBADF (Bad file descriptor) [pid 3932] close(15) = -1 EBADF (Bad file descriptor) [pid 3932] close(16) = -1 EBADF (Bad file descriptor) [pid 3932] close(17) = -1 EBADF (Bad file descriptor) [pid 3932] close(18) = -1 EBADF (Bad file descriptor) [pid 3932] close(19) = -1 EBADF (Bad file descriptor) [pid 3932] close(20) = -1 EBADF (Bad file descriptor) [pid 3932] close(21) = -1 EBADF (Bad file descriptor) [pid 3932] close(22) = -1 EBADF (Bad file descriptor) [pid 3932] close(23) = -1 EBADF (Bad file descriptor) [pid 3932] close(24) = -1 EBADF (Bad file descriptor) [pid 3932] close(25) = -1 EBADF (Bad file descriptor) [pid 3932] close(26) = -1 EBADF (Bad file descriptor) [pid 3932] close(27) = -1 EBADF (Bad file descriptor) [pid 3932] close(28) = -1 EBADF (Bad file descriptor) [pid 3932] close(29) = -1 EBADF (Bad file descriptor) [pid 3932] exit_group(0) = ? [pid 3932] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./326", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./326/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./326/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./326/binderfs") = 0 [pid 3605] umount2("./326/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./326/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./326/cgroup") = 0 [pid 3605] umount2("./326/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./326/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./326/cgroup.net") = 0 [pid 3605] umount2("./326/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./326/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./326/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./326") = 0 [pid 3605] mkdir("./327", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3933 attached [pid 3933] chdir("./327") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 329 [pid 3933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3933] setpgid(0, 0) = 0 [pid 3933] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3933] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3933] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3933] write(3, "1000", 4) = 4 [pid 3933] close(3) = 0 [pid 3933] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3933] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3933] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3933] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3933] openat(3, "freezer.state", O_RDWR) = 4 [pid 3933] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3933] close(3) = 0 [pid 3933] close(4) = 0 [pid 3933] close(5) = -1 EBADF (Bad file descriptor) [pid 3933] close(6) = -1 EBADF (Bad file descriptor) [pid 3933] close(7) = -1 EBADF (Bad file descriptor) [pid 3933] close(8) = -1 EBADF (Bad file descriptor) [pid 3933] close(9) = -1 EBADF (Bad file descriptor) [pid 3933] close(10) = -1 EBADF (Bad file descriptor) [pid 3933] close(11) = -1 EBADF (Bad file descriptor) [pid 3933] close(12) = -1 EBADF (Bad file descriptor) [pid 3933] close(13) = -1 EBADF (Bad file descriptor) [pid 3933] close(14) = -1 EBADF (Bad file descriptor) [pid 3933] close(15) = -1 EBADF (Bad file descriptor) [pid 3933] close(16) = -1 EBADF (Bad file descriptor) [pid 3933] close(17) = -1 EBADF (Bad file descriptor) [pid 3933] close(18) = -1 EBADF (Bad file descriptor) [pid 3933] close(19) = -1 EBADF (Bad file descriptor) [pid 3933] close(20) = -1 EBADF (Bad file descriptor) [pid 3933] close(21) = -1 EBADF (Bad file descriptor) [pid 3933] close(22) = -1 EBADF (Bad file descriptor) [pid 3933] close(23) = -1 EBADF (Bad file descriptor) [pid 3933] close(24) = -1 EBADF (Bad file descriptor) [pid 3933] close(25) = -1 EBADF (Bad file descriptor) [pid 3933] close(26) = -1 EBADF (Bad file descriptor) [pid 3933] close(27) = -1 EBADF (Bad file descriptor) [pid 3933] close(28) = -1 EBADF (Bad file descriptor) [pid 3933] close(29) = -1 EBADF (Bad file descriptor) [pid 3933] exit_group(0) = ? [pid 3933] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./327", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./327", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./327/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./327/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./327/binderfs") = 0 [pid 3605] umount2("./327/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./327/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./327/cgroup") = 0 [pid 3605] umount2("./327/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./327/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./327/cgroup.net") = 0 [pid 3605] umount2("./327/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./327/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./327/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./327") = 0 [pid 3605] mkdir("./328", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3934 attached [pid 3934] chdir("./328") = 0 [pid 3934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3934] setpgid(0, 0) = 0 [pid 3934] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 330 [pid 3934] <... symlink resumed>) = 0 [pid 3934] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3934] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3934] write(3, "1000", 4) = 4 [pid 3934] close(3) = 0 [pid 3934] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3934] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3934] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3934] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3934] openat(3, "freezer.state", O_RDWR) = 4 [pid 3934] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3934] close(3) = 0 [pid 3934] close(4) = 0 [pid 3934] close(5) = -1 EBADF (Bad file descriptor) [pid 3934] close(6) = -1 EBADF (Bad file descriptor) [pid 3934] close(7) = -1 EBADF (Bad file descriptor) [pid 3934] close(8) = -1 EBADF (Bad file descriptor) [pid 3934] close(9) = -1 EBADF (Bad file descriptor) [pid 3934] close(10) = -1 EBADF (Bad file descriptor) [pid 3934] close(11) = -1 EBADF (Bad file descriptor) [pid 3934] close(12) = -1 EBADF (Bad file descriptor) [pid 3934] close(13) = -1 EBADF (Bad file descriptor) [pid 3934] close(14) = -1 EBADF (Bad file descriptor) [pid 3934] close(15) = -1 EBADF (Bad file descriptor) [pid 3934] close(16) = -1 EBADF (Bad file descriptor) [pid 3934] close(17) = -1 EBADF (Bad file descriptor) [pid 3934] close(18) = -1 EBADF (Bad file descriptor) [pid 3934] close(19) = -1 EBADF (Bad file descriptor) [pid 3934] close(20) = -1 EBADF (Bad file descriptor) [pid 3934] close(21) = -1 EBADF (Bad file descriptor) [pid 3934] close(22) = -1 EBADF (Bad file descriptor) [pid 3934] close(23) = -1 EBADF (Bad file descriptor) [pid 3934] close(24) = -1 EBADF (Bad file descriptor) [pid 3934] close(25) = -1 EBADF (Bad file descriptor) [pid 3934] close(26) = -1 EBADF (Bad file descriptor) [pid 3934] close(27) = -1 EBADF (Bad file descriptor) [pid 3934] close(28) = -1 EBADF (Bad file descriptor) [pid 3934] close(29) = -1 EBADF (Bad file descriptor) [pid 3934] exit_group(0) = ? [pid 3934] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./328", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./328/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./328/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./328/binderfs") = 0 [pid 3605] umount2("./328/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./328/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./328/cgroup") = 0 [pid 3605] umount2("./328/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./328/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./328/cgroup.net") = 0 [pid 3605] umount2("./328/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./328/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./328/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./328") = 0 [pid 3605] mkdir("./329", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3935 attached [pid 3935] chdir("./329") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 331 [pid 3935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3935] setpgid(0, 0) = 0 [pid 3935] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3935] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3935] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3935] write(3, "1000", 4) = 4 [pid 3935] close(3) = 0 [pid 3935] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3935] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3935] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3935] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3935] openat(3, "freezer.state", O_RDWR) = 4 [pid 3935] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3935] close(3) = 0 [pid 3935] close(4) = 0 [pid 3935] close(5) = -1 EBADF (Bad file descriptor) [pid 3935] close(6) = -1 EBADF (Bad file descriptor) [pid 3935] close(7) = -1 EBADF (Bad file descriptor) [pid 3935] close(8) = -1 EBADF (Bad file descriptor) [pid 3935] close(9) = -1 EBADF (Bad file descriptor) [pid 3935] close(10) = -1 EBADF (Bad file descriptor) [pid 3935] close(11) = -1 EBADF (Bad file descriptor) [pid 3935] close(12) = -1 EBADF (Bad file descriptor) [pid 3935] close(13) = -1 EBADF (Bad file descriptor) [pid 3935] close(14) = -1 EBADF (Bad file descriptor) [pid 3935] close(15) = -1 EBADF (Bad file descriptor) [pid 3935] close(16) = -1 EBADF (Bad file descriptor) [pid 3935] close(17) = -1 EBADF (Bad file descriptor) [pid 3935] close(18) = -1 EBADF (Bad file descriptor) [pid 3935] close(19) = -1 EBADF (Bad file descriptor) [pid 3935] close(20) = -1 EBADF (Bad file descriptor) [pid 3935] close(21) = -1 EBADF (Bad file descriptor) [pid 3935] close(22) = -1 EBADF (Bad file descriptor) [pid 3935] close(23) = -1 EBADF (Bad file descriptor) [pid 3935] close(24) = -1 EBADF (Bad file descriptor) [pid 3935] close(25) = -1 EBADF (Bad file descriptor) [pid 3935] close(26) = -1 EBADF (Bad file descriptor) [pid 3935] close(27) = -1 EBADF (Bad file descriptor) [pid 3935] close(28) = -1 EBADF (Bad file descriptor) [pid 3935] close(29) = -1 EBADF (Bad file descriptor) [pid 3935] exit_group(0) = ? [pid 3935] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./329", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./329/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./329/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./329/binderfs") = 0 [pid 3605] umount2("./329/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./329/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./329/cgroup") = 0 [pid 3605] umount2("./329/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./329/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./329/cgroup.net") = 0 [pid 3605] umount2("./329/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./329/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./329/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./329") = 0 [pid 3605] mkdir("./330", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3936 attached [pid 3936] chdir("./330") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 332 [pid 3936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3936] setpgid(0, 0) = 0 [pid 3936] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3936] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3936] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3936] write(3, "1000", 4) = 4 [pid 3936] close(3) = 0 [pid 3936] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3936] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3936] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3936] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3936] openat(3, "freezer.state", O_RDWR) = 4 [pid 3936] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3936] close(3) = 0 [pid 3936] close(4) = 0 [pid 3936] close(5) = -1 EBADF (Bad file descriptor) [pid 3936] close(6) = -1 EBADF (Bad file descriptor) [pid 3936] close(7) = -1 EBADF (Bad file descriptor) [pid 3936] close(8) = -1 EBADF (Bad file descriptor) [pid 3936] close(9) = -1 EBADF (Bad file descriptor) [pid 3936] close(10) = -1 EBADF (Bad file descriptor) [pid 3936] close(11) = -1 EBADF (Bad file descriptor) [pid 3936] close(12) = -1 EBADF (Bad file descriptor) [pid 3936] close(13) = -1 EBADF (Bad file descriptor) [pid 3936] close(14) = -1 EBADF (Bad file descriptor) [pid 3936] close(15) = -1 EBADF (Bad file descriptor) [pid 3936] close(16) = -1 EBADF (Bad file descriptor) [pid 3936] close(17) = -1 EBADF (Bad file descriptor) [pid 3936] close(18) = -1 EBADF (Bad file descriptor) [pid 3936] close(19) = -1 EBADF (Bad file descriptor) [pid 3936] close(20) = -1 EBADF (Bad file descriptor) [pid 3936] close(21) = -1 EBADF (Bad file descriptor) [pid 3936] close(22) = -1 EBADF (Bad file descriptor) [pid 3936] close(23) = -1 EBADF (Bad file descriptor) [pid 3936] close(24) = -1 EBADF (Bad file descriptor) [pid 3936] close(25) = -1 EBADF (Bad file descriptor) [pid 3936] close(26) = -1 EBADF (Bad file descriptor) [pid 3936] close(27) = -1 EBADF (Bad file descriptor) [pid 3936] close(28) = -1 EBADF (Bad file descriptor) [pid 3936] close(29) = -1 EBADF (Bad file descriptor) [pid 3936] exit_group(0) = ? [pid 3936] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./330", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./330/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./330/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./330/binderfs") = 0 [pid 3605] umount2("./330/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./330/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./330/cgroup") = 0 [pid 3605] umount2("./330/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./330/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./330/cgroup.net") = 0 [pid 3605] umount2("./330/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./330/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./330/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./330") = 0 [pid 3605] mkdir("./331", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3937 attached [pid 3937] chdir("./331") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 333 [pid 3937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3937] setpgid(0, 0) = 0 [pid 3937] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3937] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3937] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3937] write(3, "1000", 4) = 4 [pid 3937] close(3) = 0 [pid 3937] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3937] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3937] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3937] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3937] openat(3, "freezer.state", O_RDWR) = 4 [pid 3937] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3937] close(3) = 0 [pid 3937] close(4) = 0 [pid 3937] close(5) = -1 EBADF (Bad file descriptor) [pid 3937] close(6) = -1 EBADF (Bad file descriptor) [pid 3937] close(7) = -1 EBADF (Bad file descriptor) [pid 3937] close(8) = -1 EBADF (Bad file descriptor) [pid 3937] close(9) = -1 EBADF (Bad file descriptor) [pid 3937] close(10) = -1 EBADF (Bad file descriptor) [pid 3937] close(11) = -1 EBADF (Bad file descriptor) [pid 3937] close(12) = -1 EBADF (Bad file descriptor) [pid 3937] close(13) = -1 EBADF (Bad file descriptor) [pid 3937] close(14) = -1 EBADF (Bad file descriptor) [pid 3937] close(15) = -1 EBADF (Bad file descriptor) [pid 3937] close(16) = -1 EBADF (Bad file descriptor) [pid 3937] close(17) = -1 EBADF (Bad file descriptor) [pid 3937] close(18) = -1 EBADF (Bad file descriptor) [pid 3937] close(19) = -1 EBADF (Bad file descriptor) [pid 3937] close(20) = -1 EBADF (Bad file descriptor) [pid 3937] close(21) = -1 EBADF (Bad file descriptor) [pid 3937] close(22) = -1 EBADF (Bad file descriptor) [pid 3937] close(23) = -1 EBADF (Bad file descriptor) [pid 3937] close(24) = -1 EBADF (Bad file descriptor) [pid 3937] close(25) = -1 EBADF (Bad file descriptor) [pid 3937] close(26) = -1 EBADF (Bad file descriptor) [pid 3937] close(27) = -1 EBADF (Bad file descriptor) [pid 3937] close(28) = -1 EBADF (Bad file descriptor) [pid 3937] close(29) = -1 EBADF (Bad file descriptor) [pid 3937] exit_group(0) = ? [pid 3937] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./331", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./331/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./331/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./331/binderfs") = 0 [pid 3605] umount2("./331/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./331/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./331/cgroup") = 0 [pid 3605] umount2("./331/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./331/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./331/cgroup.net") = 0 [pid 3605] umount2("./331/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./331/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./331/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./331") = 0 [pid 3605] mkdir("./332", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3938 attached [pid 3938] chdir("./332") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 334 [pid 3938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3938] setpgid(0, 0) = 0 [pid 3938] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3938] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3938] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3938] write(3, "1000", 4) = 4 [pid 3938] close(3) = 0 [pid 3938] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3938] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3938] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3938] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3938] openat(3, "freezer.state", O_RDWR) = 4 [pid 3938] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3938] close(3) = 0 [pid 3938] close(4) = 0 [pid 3938] close(5) = -1 EBADF (Bad file descriptor) [pid 3938] close(6) = -1 EBADF (Bad file descriptor) [pid 3938] close(7) = -1 EBADF (Bad file descriptor) [pid 3938] close(8) = -1 EBADF (Bad file descriptor) [pid 3938] close(9) = -1 EBADF (Bad file descriptor) [pid 3938] close(10) = -1 EBADF (Bad file descriptor) [pid 3938] close(11) = -1 EBADF (Bad file descriptor) [pid 3938] close(12) = -1 EBADF (Bad file descriptor) [pid 3938] close(13) = -1 EBADF (Bad file descriptor) [pid 3938] close(14) = -1 EBADF (Bad file descriptor) [pid 3938] close(15) = -1 EBADF (Bad file descriptor) [pid 3938] close(16) = -1 EBADF (Bad file descriptor) [pid 3938] close(17) = -1 EBADF (Bad file descriptor) [pid 3938] close(18) = -1 EBADF (Bad file descriptor) [pid 3938] close(19) = -1 EBADF (Bad file descriptor) [pid 3938] close(20) = -1 EBADF (Bad file descriptor) [pid 3938] close(21) = -1 EBADF (Bad file descriptor) [pid 3938] close(22) = -1 EBADF (Bad file descriptor) [pid 3938] close(23) = -1 EBADF (Bad file descriptor) [pid 3938] close(24) = -1 EBADF (Bad file descriptor) [pid 3938] close(25) = -1 EBADF (Bad file descriptor) [pid 3938] close(26) = -1 EBADF (Bad file descriptor) [pid 3938] close(27) = -1 EBADF (Bad file descriptor) [pid 3938] close(28) = -1 EBADF (Bad file descriptor) [pid 3938] close(29) = -1 EBADF (Bad file descriptor) [pid 3938] exit_group(0) = ? [pid 3938] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./332", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./332/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./332/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./332/binderfs") = 0 [pid 3605] umount2("./332/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./332/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./332/cgroup") = 0 [pid 3605] umount2("./332/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./332/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./332/cgroup.net") = 0 [pid 3605] umount2("./332/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./332/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./332/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./332") = 0 [pid 3605] mkdir("./333", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3939 attached [pid 3939] chdir("./333") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 335 [pid 3939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3939] setpgid(0, 0) = 0 [pid 3939] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3939] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3939] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3939] write(3, "1000", 4) = 4 [pid 3939] close(3) = 0 [pid 3939] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3939] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3939] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3939] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3939] openat(3, "freezer.state", O_RDWR) = 4 [pid 3939] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3939] close(3) = 0 [pid 3939] close(4) = 0 [pid 3939] close(5) = -1 EBADF (Bad file descriptor) [pid 3939] close(6) = -1 EBADF (Bad file descriptor) [pid 3939] close(7) = -1 EBADF (Bad file descriptor) [pid 3939] close(8) = -1 EBADF (Bad file descriptor) [pid 3939] close(9) = -1 EBADF (Bad file descriptor) [pid 3939] close(10) = -1 EBADF (Bad file descriptor) [pid 3939] close(11) = -1 EBADF (Bad file descriptor) [pid 3939] close(12) = -1 EBADF (Bad file descriptor) [pid 3939] close(13) = -1 EBADF (Bad file descriptor) [pid 3939] close(14) = -1 EBADF (Bad file descriptor) [pid 3939] close(15) = -1 EBADF (Bad file descriptor) [pid 3939] close(16) = -1 EBADF (Bad file descriptor) [pid 3939] close(17) = -1 EBADF (Bad file descriptor) [pid 3939] close(18) = -1 EBADF (Bad file descriptor) [pid 3939] close(19) = -1 EBADF (Bad file descriptor) [pid 3939] close(20) = -1 EBADF (Bad file descriptor) [pid 3939] close(21) = -1 EBADF (Bad file descriptor) [pid 3939] close(22) = -1 EBADF (Bad file descriptor) [pid 3939] close(23) = -1 EBADF (Bad file descriptor) [pid 3939] close(24) = -1 EBADF (Bad file descriptor) [pid 3939] close(25) = -1 EBADF (Bad file descriptor) [pid 3939] close(26) = -1 EBADF (Bad file descriptor) [pid 3939] close(27) = -1 EBADF (Bad file descriptor) [pid 3939] close(28) = -1 EBADF (Bad file descriptor) [pid 3939] close(29) = -1 EBADF (Bad file descriptor) [pid 3939] exit_group(0) = ? [pid 3939] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./333", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./333/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./333/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./333/binderfs") = 0 [pid 3605] umount2("./333/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./333/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./333/cgroup") = 0 [pid 3605] umount2("./333/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./333/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./333/cgroup.net") = 0 [pid 3605] umount2("./333/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./333/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./333/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./333") = 0 [pid 3605] mkdir("./334", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3940 attached [pid 3940] chdir("./334") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 336 [pid 3940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3940] setpgid(0, 0) = 0 [pid 3940] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3940] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3940] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3940] write(3, "1000", 4) = 4 [pid 3940] close(3) = 0 [pid 3940] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3940] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3940] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3940] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3940] openat(3, "freezer.state", O_RDWR) = 4 [pid 3940] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3940] close(3) = 0 [pid 3940] close(4) = 0 [pid 3940] close(5) = -1 EBADF (Bad file descriptor) [pid 3940] close(6) = -1 EBADF (Bad file descriptor) [pid 3940] close(7) = -1 EBADF (Bad file descriptor) [pid 3940] close(8) = -1 EBADF (Bad file descriptor) [pid 3940] close(9) = -1 EBADF (Bad file descriptor) [pid 3940] close(10) = -1 EBADF (Bad file descriptor) [pid 3940] close(11) = -1 EBADF (Bad file descriptor) [pid 3940] close(12) = -1 EBADF (Bad file descriptor) [pid 3940] close(13) = -1 EBADF (Bad file descriptor) [pid 3940] close(14) = -1 EBADF (Bad file descriptor) [pid 3940] close(15) = -1 EBADF (Bad file descriptor) [pid 3940] close(16) = -1 EBADF (Bad file descriptor) [pid 3940] close(17) = -1 EBADF (Bad file descriptor) [pid 3940] close(18) = -1 EBADF (Bad file descriptor) [pid 3940] close(19) = -1 EBADF (Bad file descriptor) [pid 3940] close(20) = -1 EBADF (Bad file descriptor) [pid 3940] close(21) = -1 EBADF (Bad file descriptor) [pid 3940] close(22) = -1 EBADF (Bad file descriptor) [pid 3940] close(23) = -1 EBADF (Bad file descriptor) [pid 3940] close(24) = -1 EBADF (Bad file descriptor) [pid 3940] close(25) = -1 EBADF (Bad file descriptor) [pid 3940] close(26) = -1 EBADF (Bad file descriptor) [pid 3940] close(27) = -1 EBADF (Bad file descriptor) [pid 3940] close(28) = -1 EBADF (Bad file descriptor) [pid 3940] close(29) = -1 EBADF (Bad file descriptor) [pid 3940] exit_group(0) = ? [pid 3940] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./334", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./334/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./334/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./334/binderfs") = 0 [pid 3605] umount2("./334/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./334/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./334/cgroup") = 0 [pid 3605] umount2("./334/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./334/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./334/cgroup.net") = 0 [pid 3605] umount2("./334/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./334/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./334/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./334") = 0 [pid 3605] mkdir("./335", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 337 ./strace-static-x86_64: Process 3941 attached [pid 3941] chdir("./335") = 0 [pid 3941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3941] setpgid(0, 0) = 0 [pid 3941] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3941] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3941] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3941] write(3, "1000", 4) = 4 [pid 3941] close(3) = 0 [pid 3941] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3941] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3941] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3941] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3941] openat(3, "freezer.state", O_RDWR) = 4 [pid 3941] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3941] close(3) = 0 [pid 3941] close(4) = 0 [pid 3941] close(5) = -1 EBADF (Bad file descriptor) [pid 3941] close(6) = -1 EBADF (Bad file descriptor) [pid 3941] close(7) = -1 EBADF (Bad file descriptor) [pid 3941] close(8) = -1 EBADF (Bad file descriptor) [pid 3941] close(9) = -1 EBADF (Bad file descriptor) [pid 3941] close(10) = -1 EBADF (Bad file descriptor) [pid 3941] close(11) = -1 EBADF (Bad file descriptor) [pid 3941] close(12) = -1 EBADF (Bad file descriptor) [pid 3941] close(13) = -1 EBADF (Bad file descriptor) [pid 3941] close(14) = -1 EBADF (Bad file descriptor) [pid 3941] close(15) = -1 EBADF (Bad file descriptor) [pid 3941] close(16) = -1 EBADF (Bad file descriptor) [pid 3941] close(17) = -1 EBADF (Bad file descriptor) [pid 3941] close(18) = -1 EBADF (Bad file descriptor) [pid 3941] close(19) = -1 EBADF (Bad file descriptor) [pid 3941] close(20) = -1 EBADF (Bad file descriptor) [pid 3941] close(21) = -1 EBADF (Bad file descriptor) [pid 3941] close(22) = -1 EBADF (Bad file descriptor) [pid 3941] close(23) = -1 EBADF (Bad file descriptor) [pid 3941] close(24) = -1 EBADF (Bad file descriptor) [pid 3941] close(25) = -1 EBADF (Bad file descriptor) [pid 3941] close(26) = -1 EBADF (Bad file descriptor) [pid 3941] close(27) = -1 EBADF (Bad file descriptor) [pid 3941] close(28) = -1 EBADF (Bad file descriptor) [pid 3941] close(29) = -1 EBADF (Bad file descriptor) [pid 3941] exit_group(0) = ? [pid 3941] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./335", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./335/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./335/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./335/binderfs") = 0 [pid 3605] umount2("./335/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./335/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./335/cgroup") = 0 [pid 3605] umount2("./335/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./335/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./335/cgroup.net") = 0 [pid 3605] umount2("./335/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./335/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./335/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./335") = 0 [pid 3605] mkdir("./336", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3942 attached , child_tidptr=0x555556c0f5d0) = 338 [pid 3942] chdir("./336") = 0 [pid 3942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3942] setpgid(0, 0) = 0 [pid 3942] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3942] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3942] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3942] write(3, "1000", 4) = 4 [pid 3942] close(3) = 0 [pid 3942] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3942] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3942] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3942] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3942] openat(3, "freezer.state", O_RDWR) = 4 [pid 3942] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3942] close(3) = 0 [pid 3942] close(4) = 0 [pid 3942] close(5) = -1 EBADF (Bad file descriptor) [pid 3942] close(6) = -1 EBADF (Bad file descriptor) [pid 3942] close(7) = -1 EBADF (Bad file descriptor) [pid 3942] close(8) = -1 EBADF (Bad file descriptor) [pid 3942] close(9) = -1 EBADF (Bad file descriptor) [pid 3942] close(10) = -1 EBADF (Bad file descriptor) [pid 3942] close(11) = -1 EBADF (Bad file descriptor) [pid 3942] close(12) = -1 EBADF (Bad file descriptor) [pid 3942] close(13) = -1 EBADF (Bad file descriptor) [pid 3942] close(14) = -1 EBADF (Bad file descriptor) [pid 3942] close(15) = -1 EBADF (Bad file descriptor) [pid 3942] close(16) = -1 EBADF (Bad file descriptor) [pid 3942] close(17) = -1 EBADF (Bad file descriptor) [pid 3942] close(18) = -1 EBADF (Bad file descriptor) [pid 3942] close(19) = -1 EBADF (Bad file descriptor) [pid 3942] close(20) = -1 EBADF (Bad file descriptor) [pid 3942] close(21) = -1 EBADF (Bad file descriptor) [pid 3942] close(22) = -1 EBADF (Bad file descriptor) [pid 3942] close(23) = -1 EBADF (Bad file descriptor) [pid 3942] close(24) = -1 EBADF (Bad file descriptor) [pid 3942] close(25) = -1 EBADF (Bad file descriptor) [pid 3942] close(26) = -1 EBADF (Bad file descriptor) [pid 3942] close(27) = -1 EBADF (Bad file descriptor) [pid 3942] close(28) = -1 EBADF (Bad file descriptor) [pid 3942] close(29) = -1 EBADF (Bad file descriptor) [pid 3942] exit_group(0) = ? [pid 3942] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./336", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./336/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./336/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./336/binderfs") = 0 [pid 3605] umount2("./336/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./336/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./336/cgroup") = 0 [pid 3605] umount2("./336/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./336/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./336/cgroup.net") = 0 [pid 3605] umount2("./336/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./336/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./336/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./336") = 0 [pid 3605] mkdir("./337", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3943 attached [pid 3943] chdir("./337") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 339 [pid 3943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3943] setpgid(0, 0) = 0 [pid 3943] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3943] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3943] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3943] write(3, "1000", 4) = 4 [pid 3943] close(3) = 0 [pid 3943] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3943] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3943] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3943] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3943] openat(3, "freezer.state", O_RDWR) = 4 [pid 3943] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3943] close(3) = 0 [pid 3943] close(4) = 0 [pid 3943] close(5) = -1 EBADF (Bad file descriptor) [pid 3943] close(6) = -1 EBADF (Bad file descriptor) [pid 3943] close(7) = -1 EBADF (Bad file descriptor) [pid 3943] close(8) = -1 EBADF (Bad file descriptor) [pid 3943] close(9) = -1 EBADF (Bad file descriptor) [pid 3943] close(10) = -1 EBADF (Bad file descriptor) [pid 3943] close(11) = -1 EBADF (Bad file descriptor) [pid 3943] close(12) = -1 EBADF (Bad file descriptor) [pid 3943] close(13) = -1 EBADF (Bad file descriptor) [pid 3943] close(14) = -1 EBADF (Bad file descriptor) [pid 3943] close(15) = -1 EBADF (Bad file descriptor) [pid 3943] close(16) = -1 EBADF (Bad file descriptor) [pid 3943] close(17) = -1 EBADF (Bad file descriptor) [pid 3943] close(18) = -1 EBADF (Bad file descriptor) [pid 3943] close(19) = -1 EBADF (Bad file descriptor) [pid 3943] close(20) = -1 EBADF (Bad file descriptor) [pid 3943] close(21) = -1 EBADF (Bad file descriptor) [pid 3943] close(22) = -1 EBADF (Bad file descriptor) [pid 3943] close(23) = -1 EBADF (Bad file descriptor) [pid 3943] close(24) = -1 EBADF (Bad file descriptor) [pid 3943] close(25) = -1 EBADF (Bad file descriptor) [pid 3943] close(26) = -1 EBADF (Bad file descriptor) [pid 3943] close(27) = -1 EBADF (Bad file descriptor) [pid 3943] close(28) = -1 EBADF (Bad file descriptor) [pid 3943] close(29) = -1 EBADF (Bad file descriptor) [pid 3943] exit_group(0) = ? [pid 3943] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./337", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./337/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./337/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./337/binderfs") = 0 [pid 3605] umount2("./337/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./337/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./337/cgroup") = 0 [pid 3605] umount2("./337/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./337/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./337/cgroup.net") = 0 [pid 3605] umount2("./337/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./337/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./337/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./337") = 0 [pid 3605] mkdir("./338", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3944 attached , child_tidptr=0x555556c0f5d0) = 340 [pid 3944] chdir("./338") = 0 [pid 3944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3944] setpgid(0, 0) = 0 [pid 3944] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3944] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3944] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3944] write(3, "1000", 4) = 4 [pid 3944] close(3) = 0 [pid 3944] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3944] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3944] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3944] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3944] openat(3, "freezer.state", O_RDWR) = 4 [pid 3944] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3944] close(3) = 0 [pid 3944] close(4) = 0 [pid 3944] close(5) = -1 EBADF (Bad file descriptor) [pid 3944] close(6) = -1 EBADF (Bad file descriptor) [pid 3944] close(7) = -1 EBADF (Bad file descriptor) [pid 3944] close(8) = -1 EBADF (Bad file descriptor) [pid 3944] close(9) = -1 EBADF (Bad file descriptor) [pid 3944] close(10) = -1 EBADF (Bad file descriptor) [pid 3944] close(11) = -1 EBADF (Bad file descriptor) [pid 3944] close(12) = -1 EBADF (Bad file descriptor) [pid 3944] close(13) = -1 EBADF (Bad file descriptor) [pid 3944] close(14) = -1 EBADF (Bad file descriptor) [pid 3944] close(15) = -1 EBADF (Bad file descriptor) [pid 3944] close(16) = -1 EBADF (Bad file descriptor) [pid 3944] close(17) = -1 EBADF (Bad file descriptor) [pid 3944] close(18) = -1 EBADF (Bad file descriptor) [pid 3944] close(19) = -1 EBADF (Bad file descriptor) [pid 3944] close(20) = -1 EBADF (Bad file descriptor) [pid 3944] close(21) = -1 EBADF (Bad file descriptor) [pid 3944] close(22) = -1 EBADF (Bad file descriptor) [pid 3944] close(23) = -1 EBADF (Bad file descriptor) [pid 3944] close(24) = -1 EBADF (Bad file descriptor) [pid 3944] close(25) = -1 EBADF (Bad file descriptor) [pid 3944] close(26) = -1 EBADF (Bad file descriptor) [pid 3944] close(27) = -1 EBADF (Bad file descriptor) [pid 3944] close(28) = -1 EBADF (Bad file descriptor) [pid 3944] close(29) = -1 EBADF (Bad file descriptor) [pid 3944] exit_group(0) = ? [pid 3944] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./338", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./338/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./338/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./338/binderfs") = 0 [pid 3605] umount2("./338/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./338/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./338/cgroup") = 0 [pid 3605] umount2("./338/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./338/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./338/cgroup.net") = 0 [pid 3605] umount2("./338/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./338/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./338/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./338") = 0 [pid 3605] mkdir("./339", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3945 attached [pid 3945] chdir("./339") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 341 [pid 3945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3945] setpgid(0, 0) = 0 [pid 3945] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3945] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3945] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3945] write(3, "1000", 4) = 4 [pid 3945] close(3) = 0 [pid 3945] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3945] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3945] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3945] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3945] openat(3, "freezer.state", O_RDWR) = 4 [pid 3945] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3945] close(3) = 0 [pid 3945] close(4) = 0 [pid 3945] close(5) = -1 EBADF (Bad file descriptor) [pid 3945] close(6) = -1 EBADF (Bad file descriptor) [pid 3945] close(7) = -1 EBADF (Bad file descriptor) [pid 3945] close(8) = -1 EBADF (Bad file descriptor) [pid 3945] close(9) = -1 EBADF (Bad file descriptor) [pid 3945] close(10) = -1 EBADF (Bad file descriptor) [pid 3945] close(11) = -1 EBADF (Bad file descriptor) [pid 3945] close(12) = -1 EBADF (Bad file descriptor) [pid 3945] close(13) = -1 EBADF (Bad file descriptor) [pid 3945] close(14) = -1 EBADF (Bad file descriptor) [pid 3945] close(15) = -1 EBADF (Bad file descriptor) [pid 3945] close(16) = -1 EBADF (Bad file descriptor) [pid 3945] close(17) = -1 EBADF (Bad file descriptor) [pid 3945] close(18) = -1 EBADF (Bad file descriptor) [pid 3945] close(19) = -1 EBADF (Bad file descriptor) [pid 3945] close(20) = -1 EBADF (Bad file descriptor) [pid 3945] close(21) = -1 EBADF (Bad file descriptor) [pid 3945] close(22) = -1 EBADF (Bad file descriptor) [pid 3945] close(23) = -1 EBADF (Bad file descriptor) [pid 3945] close(24) = -1 EBADF (Bad file descriptor) [pid 3945] close(25) = -1 EBADF (Bad file descriptor) [pid 3945] close(26) = -1 EBADF (Bad file descriptor) [pid 3945] close(27) = -1 EBADF (Bad file descriptor) [pid 3945] close(28) = -1 EBADF (Bad file descriptor) [pid 3945] close(29) = -1 EBADF (Bad file descriptor) [pid 3945] exit_group(0) = ? [pid 3945] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./339", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./339/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./339/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./339/binderfs") = 0 [pid 3605] umount2("./339/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./339/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./339/cgroup") = 0 [pid 3605] umount2("./339/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./339/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./339/cgroup.net") = 0 [pid 3605] umount2("./339/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./339/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./339/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./339") = 0 [pid 3605] mkdir("./340", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3946 attached [pid 3946] chdir("./340") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 342 [pid 3946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3946] setpgid(0, 0) = 0 [pid 3946] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3946] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3946] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3946] write(3, "1000", 4) = 4 [pid 3946] close(3) = 0 [pid 3946] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3946] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3946] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3946] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3946] openat(3, "freezer.state", O_RDWR) = 4 [pid 3946] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3946] close(3) = 0 [pid 3946] close(4) = 0 [pid 3946] close(5) = -1 EBADF (Bad file descriptor) [pid 3946] close(6) = -1 EBADF (Bad file descriptor) [pid 3946] close(7) = -1 EBADF (Bad file descriptor) [pid 3946] close(8) = -1 EBADF (Bad file descriptor) [pid 3946] close(9) = -1 EBADF (Bad file descriptor) [pid 3946] close(10) = -1 EBADF (Bad file descriptor) [pid 3946] close(11) = -1 EBADF (Bad file descriptor) [pid 3946] close(12) = -1 EBADF (Bad file descriptor) [pid 3946] close(13) = -1 EBADF (Bad file descriptor) [pid 3946] close(14) = -1 EBADF (Bad file descriptor) [pid 3946] close(15) = -1 EBADF (Bad file descriptor) [pid 3946] close(16) = -1 EBADF (Bad file descriptor) [pid 3946] close(17) = -1 EBADF (Bad file descriptor) [pid 3946] close(18) = -1 EBADF (Bad file descriptor) [pid 3946] close(19) = -1 EBADF (Bad file descriptor) [pid 3946] close(20) = -1 EBADF (Bad file descriptor) [pid 3946] close(21) = -1 EBADF (Bad file descriptor) [pid 3946] close(22) = -1 EBADF (Bad file descriptor) [pid 3946] close(23) = -1 EBADF (Bad file descriptor) [pid 3946] close(24) = -1 EBADF (Bad file descriptor) [pid 3946] close(25) = -1 EBADF (Bad file descriptor) [pid 3946] close(26) = -1 EBADF (Bad file descriptor) [pid 3946] close(27) = -1 EBADF (Bad file descriptor) [pid 3946] close(28) = -1 EBADF (Bad file descriptor) [pid 3946] close(29) = -1 EBADF (Bad file descriptor) [pid 3946] exit_group(0) = ? [pid 3946] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./340", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./340", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./340/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./340/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./340/binderfs") = 0 [pid 3605] umount2("./340/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./340/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./340/cgroup") = 0 [pid 3605] umount2("./340/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./340/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./340/cgroup.net") = 0 [pid 3605] umount2("./340/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./340/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./340/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./340") = 0 [pid 3605] mkdir("./341", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3947 attached [pid 3947] chdir("./341") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 343 [pid 3947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3947] setpgid(0, 0) = 0 [pid 3947] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3947] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3947] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3947] write(3, "1000", 4) = 4 [pid 3947] close(3) = 0 [pid 3947] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3947] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3947] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3947] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3947] openat(3, "freezer.state", O_RDWR) = 4 [pid 3947] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3947] close(3) = 0 [pid 3947] close(4) = 0 [pid 3947] close(5) = -1 EBADF (Bad file descriptor) [pid 3947] close(6) = -1 EBADF (Bad file descriptor) [pid 3947] close(7) = -1 EBADF (Bad file descriptor) [pid 3947] close(8) = -1 EBADF (Bad file descriptor) [pid 3947] close(9) = -1 EBADF (Bad file descriptor) [pid 3947] close(10) = -1 EBADF (Bad file descriptor) [pid 3947] close(11) = -1 EBADF (Bad file descriptor) [pid 3947] close(12) = -1 EBADF (Bad file descriptor) [pid 3947] close(13) = -1 EBADF (Bad file descriptor) [pid 3947] close(14) = -1 EBADF (Bad file descriptor) [pid 3947] close(15) = -1 EBADF (Bad file descriptor) [pid 3947] close(16) = -1 EBADF (Bad file descriptor) [pid 3947] close(17) = -1 EBADF (Bad file descriptor) [pid 3947] close(18) = -1 EBADF (Bad file descriptor) [pid 3947] close(19) = -1 EBADF (Bad file descriptor) [pid 3947] close(20) = -1 EBADF (Bad file descriptor) [pid 3947] close(21) = -1 EBADF (Bad file descriptor) [pid 3947] close(22) = -1 EBADF (Bad file descriptor) [pid 3947] close(23) = -1 EBADF (Bad file descriptor) [pid 3947] close(24) = -1 EBADF (Bad file descriptor) [pid 3947] close(25) = -1 EBADF (Bad file descriptor) [pid 3947] close(26) = -1 EBADF (Bad file descriptor) [pid 3947] close(27) = -1 EBADF (Bad file descriptor) [pid 3947] close(28) = -1 EBADF (Bad file descriptor) [pid 3947] close(29) = -1 EBADF (Bad file descriptor) [pid 3947] exit_group(0) = ? [pid 3947] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./341", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./341", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./341/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./341/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./341/binderfs") = 0 [pid 3605] umount2("./341/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./341/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./341/cgroup") = 0 [pid 3605] umount2("./341/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./341/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./341/cgroup.net") = 0 [pid 3605] umount2("./341/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./341/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./341/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./341") = 0 [pid 3605] mkdir("./342", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3948 attached [pid 3948] chdir("./342") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 344 [pid 3948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3948] setpgid(0, 0) = 0 [pid 3948] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3948] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3948] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3948] write(3, "1000", 4) = 4 [pid 3948] close(3) = 0 [pid 3948] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3948] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3948] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3948] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3948] openat(3, "freezer.state", O_RDWR) = 4 [pid 3948] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3948] close(3) = 0 [pid 3948] close(4) = 0 [pid 3948] close(5) = -1 EBADF (Bad file descriptor) [pid 3948] close(6) = -1 EBADF (Bad file descriptor) [pid 3948] close(7) = -1 EBADF (Bad file descriptor) [pid 3948] close(8) = -1 EBADF (Bad file descriptor) [pid 3948] close(9) = -1 EBADF (Bad file descriptor) [pid 3948] close(10) = -1 EBADF (Bad file descriptor) [pid 3948] close(11) = -1 EBADF (Bad file descriptor) [pid 3948] close(12) = -1 EBADF (Bad file descriptor) [pid 3948] close(13) = -1 EBADF (Bad file descriptor) [pid 3948] close(14) = -1 EBADF (Bad file descriptor) [pid 3948] close(15) = -1 EBADF (Bad file descriptor) [pid 3948] close(16) = -1 EBADF (Bad file descriptor) [pid 3948] close(17) = -1 EBADF (Bad file descriptor) [pid 3948] close(18) = -1 EBADF (Bad file descriptor) [pid 3948] close(19) = -1 EBADF (Bad file descriptor) [pid 3948] close(20) = -1 EBADF (Bad file descriptor) [pid 3948] close(21) = -1 EBADF (Bad file descriptor) [pid 3948] close(22) = -1 EBADF (Bad file descriptor) [pid 3948] close(23) = -1 EBADF (Bad file descriptor) [pid 3948] close(24) = -1 EBADF (Bad file descriptor) [pid 3948] close(25) = -1 EBADF (Bad file descriptor) [pid 3948] close(26) = -1 EBADF (Bad file descriptor) [pid 3948] close(27) = -1 EBADF (Bad file descriptor) [pid 3948] close(28) = -1 EBADF (Bad file descriptor) [pid 3948] close(29) = -1 EBADF (Bad file descriptor) [pid 3948] exit_group(0) = ? [pid 3948] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./342", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./342", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./342/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./342/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./342/binderfs") = 0 [pid 3605] umount2("./342/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./342/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./342/cgroup") = 0 [pid 3605] umount2("./342/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./342/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./342/cgroup.net") = 0 [pid 3605] umount2("./342/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./342/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./342/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./342") = 0 [pid 3605] mkdir("./343", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3949 attached [pid 3949] chdir("./343") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 345 [pid 3949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3949] setpgid(0, 0) = 0 [pid 3949] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3949] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3949] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3949] write(3, "1000", 4) = 4 [pid 3949] close(3) = 0 [pid 3949] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3949] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3949] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3949] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3949] openat(3, "freezer.state", O_RDWR) = 4 [pid 3949] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3949] close(3) = 0 [pid 3949] close(4) = 0 [pid 3949] close(5) = -1 EBADF (Bad file descriptor) [pid 3949] close(6) = -1 EBADF (Bad file descriptor) [pid 3949] close(7) = -1 EBADF (Bad file descriptor) [pid 3949] close(8) = -1 EBADF (Bad file descriptor) [pid 3949] close(9) = -1 EBADF (Bad file descriptor) [pid 3949] close(10) = -1 EBADF (Bad file descriptor) [pid 3949] close(11) = -1 EBADF (Bad file descriptor) [pid 3949] close(12) = -1 EBADF (Bad file descriptor) [pid 3949] close(13) = -1 EBADF (Bad file descriptor) [pid 3949] close(14) = -1 EBADF (Bad file descriptor) [pid 3949] close(15) = -1 EBADF (Bad file descriptor) [pid 3949] close(16) = -1 EBADF (Bad file descriptor) [pid 3949] close(17) = -1 EBADF (Bad file descriptor) [pid 3949] close(18) = -1 EBADF (Bad file descriptor) [pid 3949] close(19) = -1 EBADF (Bad file descriptor) [pid 3949] close(20) = -1 EBADF (Bad file descriptor) [pid 3949] close(21) = -1 EBADF (Bad file descriptor) [pid 3949] close(22) = -1 EBADF (Bad file descriptor) [pid 3949] close(23) = -1 EBADF (Bad file descriptor) [pid 3949] close(24) = -1 EBADF (Bad file descriptor) [pid 3949] close(25) = -1 EBADF (Bad file descriptor) [pid 3949] close(26) = -1 EBADF (Bad file descriptor) [pid 3949] close(27) = -1 EBADF (Bad file descriptor) [pid 3949] close(28) = -1 EBADF (Bad file descriptor) [pid 3949] close(29) = -1 EBADF (Bad file descriptor) [pid 3949] exit_group(0) = ? [pid 3949] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./343", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./343", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./343/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./343/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./343/binderfs") = 0 [pid 3605] umount2("./343/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./343/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./343/cgroup") = 0 [pid 3605] umount2("./343/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./343/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./343/cgroup.net") = 0 [pid 3605] umount2("./343/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./343/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./343/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./343") = 0 [pid 3605] mkdir("./344", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3950 attached [pid 3950] chdir("./344" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 346 [pid 3950] <... chdir resumed>) = 0 [pid 3950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3950] setpgid(0, 0) = 0 [pid 3950] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3950] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3950] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3950] write(3, "1000", 4) = 4 [pid 3950] close(3) = 0 [pid 3950] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3950] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3950] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3950] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3950] openat(3, "freezer.state", O_RDWR) = 4 [pid 3950] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3950] close(3) = 0 [pid 3950] close(4) = 0 [pid 3950] close(5) = -1 EBADF (Bad file descriptor) [pid 3950] close(6) = -1 EBADF (Bad file descriptor) [pid 3950] close(7) = -1 EBADF (Bad file descriptor) [pid 3950] close(8) = -1 EBADF (Bad file descriptor) [pid 3950] close(9) = -1 EBADF (Bad file descriptor) [pid 3950] close(10) = -1 EBADF (Bad file descriptor) [pid 3950] close(11) = -1 EBADF (Bad file descriptor) [pid 3950] close(12) = -1 EBADF (Bad file descriptor) [pid 3950] close(13) = -1 EBADF (Bad file descriptor) [pid 3950] close(14) = -1 EBADF (Bad file descriptor) [pid 3950] close(15) = -1 EBADF (Bad file descriptor) [pid 3950] close(16) = -1 EBADF (Bad file descriptor) [pid 3950] close(17) = -1 EBADF (Bad file descriptor) [pid 3950] close(18) = -1 EBADF (Bad file descriptor) [pid 3950] close(19) = -1 EBADF (Bad file descriptor) [pid 3950] close(20) = -1 EBADF (Bad file descriptor) [pid 3950] close(21) = -1 EBADF (Bad file descriptor) [pid 3950] close(22) = -1 EBADF (Bad file descriptor) [pid 3950] close(23) = -1 EBADF (Bad file descriptor) [pid 3950] close(24) = -1 EBADF (Bad file descriptor) [pid 3950] close(25) = -1 EBADF (Bad file descriptor) [pid 3950] close(26) = -1 EBADF (Bad file descriptor) [pid 3950] close(27) = -1 EBADF (Bad file descriptor) [pid 3950] close(28) = -1 EBADF (Bad file descriptor) [pid 3950] close(29) = -1 EBADF (Bad file descriptor) [pid 3950] exit_group(0) = ? [pid 3950] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./344", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./344", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./344/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./344/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./344/binderfs") = 0 [pid 3605] umount2("./344/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./344/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./344/cgroup") = 0 [pid 3605] umount2("./344/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./344/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./344/cgroup.net") = 0 [pid 3605] umount2("./344/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./344/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./344/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./344") = 0 [pid 3605] mkdir("./345", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 347 ./strace-static-x86_64: Process 3951 attached [pid 3951] chdir("./345") = 0 [pid 3951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3951] setpgid(0, 0) = 0 [pid 3951] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3951] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3951] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3951] write(3, "1000", 4) = 4 [pid 3951] close(3) = 0 [pid 3951] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3951] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3951] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3951] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3951] openat(3, "freezer.state", O_RDWR) = 4 [pid 3951] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3951] close(3) = 0 [pid 3951] close(4) = 0 [pid 3951] close(5) = -1 EBADF (Bad file descriptor) [pid 3951] close(6) = -1 EBADF (Bad file descriptor) [pid 3951] close(7) = -1 EBADF (Bad file descriptor) [pid 3951] close(8) = -1 EBADF (Bad file descriptor) [pid 3951] close(9) = -1 EBADF (Bad file descriptor) [pid 3951] close(10) = -1 EBADF (Bad file descriptor) [pid 3951] close(11) = -1 EBADF (Bad file descriptor) [pid 3951] close(12) = -1 EBADF (Bad file descriptor) [pid 3951] close(13) = -1 EBADF (Bad file descriptor) [pid 3951] close(14) = -1 EBADF (Bad file descriptor) [pid 3951] close(15) = -1 EBADF (Bad file descriptor) [pid 3951] close(16) = -1 EBADF (Bad file descriptor) [pid 3951] close(17) = -1 EBADF (Bad file descriptor) [pid 3951] close(18) = -1 EBADF (Bad file descriptor) [pid 3951] close(19) = -1 EBADF (Bad file descriptor) [pid 3951] close(20) = -1 EBADF (Bad file descriptor) [pid 3951] close(21) = -1 EBADF (Bad file descriptor) [pid 3951] close(22) = -1 EBADF (Bad file descriptor) [pid 3951] close(23) = -1 EBADF (Bad file descriptor) [pid 3951] close(24) = -1 EBADF (Bad file descriptor) [pid 3951] close(25) = -1 EBADF (Bad file descriptor) [pid 3951] close(26) = -1 EBADF (Bad file descriptor) [pid 3951] close(27) = -1 EBADF (Bad file descriptor) [pid 3951] close(28) = -1 EBADF (Bad file descriptor) [pid 3951] close(29) = -1 EBADF (Bad file descriptor) [pid 3951] exit_group(0) = ? [pid 3951] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./345", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./345", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./345/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./345/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./345/binderfs") = 0 [pid 3605] umount2("./345/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./345/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./345/cgroup") = 0 [pid 3605] umount2("./345/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./345/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./345/cgroup.net") = 0 [pid 3605] umount2("./345/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./345/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./345/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./345") = 0 [pid 3605] mkdir("./346", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3952 attached [pid 3952] chdir("./346") = 0 [pid 3952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3952] setpgid(0, 0) = 0 [pid 3952] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 348 [pid 3952] <... symlink resumed>) = 0 [pid 3952] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3952] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3952] write(3, "1000", 4) = 4 [pid 3952] close(3) = 0 [pid 3952] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3952] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3952] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3952] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3952] openat(3, "freezer.state", O_RDWR) = 4 [pid 3952] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3952] close(3) = 0 [pid 3952] close(4) = 0 [pid 3952] close(5) = -1 EBADF (Bad file descriptor) [pid 3952] close(6) = -1 EBADF (Bad file descriptor) [pid 3952] close(7) = -1 EBADF (Bad file descriptor) [pid 3952] close(8) = -1 EBADF (Bad file descriptor) [pid 3952] close(9) = -1 EBADF (Bad file descriptor) [pid 3952] close(10) = -1 EBADF (Bad file descriptor) [pid 3952] close(11) = -1 EBADF (Bad file descriptor) [pid 3952] close(12) = -1 EBADF (Bad file descriptor) [pid 3952] close(13) = -1 EBADF (Bad file descriptor) [pid 3952] close(14) = -1 EBADF (Bad file descriptor) [pid 3952] close(15) = -1 EBADF (Bad file descriptor) [pid 3952] close(16) = -1 EBADF (Bad file descriptor) [pid 3952] close(17) = -1 EBADF (Bad file descriptor) [pid 3952] close(18) = -1 EBADF (Bad file descriptor) [pid 3952] close(19) = -1 EBADF (Bad file descriptor) [pid 3952] close(20) = -1 EBADF (Bad file descriptor) [pid 3952] close(21) = -1 EBADF (Bad file descriptor) [pid 3952] close(22) = -1 EBADF (Bad file descriptor) [pid 3952] close(23) = -1 EBADF (Bad file descriptor) [pid 3952] close(24) = -1 EBADF (Bad file descriptor) [pid 3952] close(25) = -1 EBADF (Bad file descriptor) [pid 3952] close(26) = -1 EBADF (Bad file descriptor) [pid 3952] close(27) = -1 EBADF (Bad file descriptor) [pid 3952] close(28) = -1 EBADF (Bad file descriptor) [pid 3952] close(29) = -1 EBADF (Bad file descriptor) [pid 3952] exit_group(0) = ? [pid 3952] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./346", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./346", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./346/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./346/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./346/binderfs") = 0 [pid 3605] umount2("./346/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./346/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./346/cgroup") = 0 [pid 3605] umount2("./346/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./346/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./346/cgroup.net") = 0 [pid 3605] umount2("./346/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./346/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./346/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./346") = 0 [pid 3605] mkdir("./347", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3953 attached , child_tidptr=0x555556c0f5d0) = 349 [pid 3953] chdir("./347") = 0 [pid 3953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3953] setpgid(0, 0) = 0 [pid 3953] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3953] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3953] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3953] write(3, "1000", 4) = 4 [pid 3953] close(3) = 0 [pid 3953] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3953] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3953] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3953] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3953] openat(3, "freezer.state", O_RDWR) = 4 [pid 3953] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3953] close(3) = 0 [pid 3953] close(4) = 0 [pid 3953] close(5) = -1 EBADF (Bad file descriptor) [pid 3953] close(6) = -1 EBADF (Bad file descriptor) [pid 3953] close(7) = -1 EBADF (Bad file descriptor) [pid 3953] close(8) = -1 EBADF (Bad file descriptor) [pid 3953] close(9) = -1 EBADF (Bad file descriptor) [pid 3953] close(10) = -1 EBADF (Bad file descriptor) [pid 3953] close(11) = -1 EBADF (Bad file descriptor) [pid 3953] close(12) = -1 EBADF (Bad file descriptor) [pid 3953] close(13) = -1 EBADF (Bad file descriptor) [pid 3953] close(14) = -1 EBADF (Bad file descriptor) [pid 3953] close(15) = -1 EBADF (Bad file descriptor) [pid 3953] close(16) = -1 EBADF (Bad file descriptor) [pid 3953] close(17) = -1 EBADF (Bad file descriptor) [pid 3953] close(18) = -1 EBADF (Bad file descriptor) [pid 3953] close(19) = -1 EBADF (Bad file descriptor) [pid 3953] close(20) = -1 EBADF (Bad file descriptor) [pid 3953] close(21) = -1 EBADF (Bad file descriptor) [pid 3953] close(22) = -1 EBADF (Bad file descriptor) [pid 3953] close(23) = -1 EBADF (Bad file descriptor) [pid 3953] close(24) = -1 EBADF (Bad file descriptor) [pid 3953] close(25) = -1 EBADF (Bad file descriptor) [pid 3953] close(26) = -1 EBADF (Bad file descriptor) [pid 3953] close(27) = -1 EBADF (Bad file descriptor) [pid 3953] close(28) = -1 EBADF (Bad file descriptor) [pid 3953] close(29) = -1 EBADF (Bad file descriptor) [pid 3953] exit_group(0) = ? [pid 3953] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./347", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./347", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./347/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./347/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./347/binderfs") = 0 [pid 3605] umount2("./347/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./347/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./347/cgroup") = 0 [pid 3605] umount2("./347/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./347/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./347/cgroup.net") = 0 [pid 3605] umount2("./347/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./347/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./347/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./347") = 0 [pid 3605] mkdir("./348", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3954 attached [pid 3954] chdir("./348") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 350 [pid 3954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3954] setpgid(0, 0) = 0 [pid 3954] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3954] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3954] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3954] write(3, "1000", 4) = 4 [pid 3954] close(3) = 0 [pid 3954] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3954] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3954] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3954] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3954] openat(3, "freezer.state", O_RDWR) = 4 [pid 3954] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3954] close(3) = 0 [pid 3954] close(4) = 0 [pid 3954] close(5) = -1 EBADF (Bad file descriptor) [pid 3954] close(6) = -1 EBADF (Bad file descriptor) [pid 3954] close(7) = -1 EBADF (Bad file descriptor) [pid 3954] close(8) = -1 EBADF (Bad file descriptor) [pid 3954] close(9) = -1 EBADF (Bad file descriptor) [pid 3954] close(10) = -1 EBADF (Bad file descriptor) [pid 3954] close(11) = -1 EBADF (Bad file descriptor) [pid 3954] close(12) = -1 EBADF (Bad file descriptor) [pid 3954] close(13) = -1 EBADF (Bad file descriptor) [pid 3954] close(14) = -1 EBADF (Bad file descriptor) [pid 3954] close(15) = -1 EBADF (Bad file descriptor) [pid 3954] close(16) = -1 EBADF (Bad file descriptor) [pid 3954] close(17) = -1 EBADF (Bad file descriptor) [pid 3954] close(18) = -1 EBADF (Bad file descriptor) [pid 3954] close(19) = -1 EBADF (Bad file descriptor) [pid 3954] close(20) = -1 EBADF (Bad file descriptor) [pid 3954] close(21) = -1 EBADF (Bad file descriptor) [pid 3954] close(22) = -1 EBADF (Bad file descriptor) [pid 3954] close(23) = -1 EBADF (Bad file descriptor) [pid 3954] close(24) = -1 EBADF (Bad file descriptor) [pid 3954] close(25) = -1 EBADF (Bad file descriptor) [pid 3954] close(26) = -1 EBADF (Bad file descriptor) [pid 3954] close(27) = -1 EBADF (Bad file descriptor) [pid 3954] close(28) = -1 EBADF (Bad file descriptor) [pid 3954] close(29) = -1 EBADF (Bad file descriptor) [pid 3954] exit_group(0) = ? [pid 3954] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./348", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./348", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./348/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./348/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./348/binderfs") = 0 [pid 3605] umount2("./348/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./348/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./348/cgroup") = 0 [pid 3605] umount2("./348/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./348/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./348/cgroup.net") = 0 [pid 3605] umount2("./348/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./348/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./348/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./348") = 0 [pid 3605] mkdir("./349", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3955 attached [pid 3955] chdir("./349") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 351 [pid 3955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3955] setpgid(0, 0) = 0 [pid 3955] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3955] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3955] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3955] write(3, "1000", 4) = 4 [pid 3955] close(3) = 0 [pid 3955] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3955] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3955] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3955] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3955] openat(3, "freezer.state", O_RDWR) = 4 [pid 3955] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3955] close(3) = 0 [pid 3955] close(4) = 0 [pid 3955] close(5) = -1 EBADF (Bad file descriptor) [pid 3955] close(6) = -1 EBADF (Bad file descriptor) [pid 3955] close(7) = -1 EBADF (Bad file descriptor) [pid 3955] close(8) = -1 EBADF (Bad file descriptor) [pid 3955] close(9) = -1 EBADF (Bad file descriptor) [pid 3955] close(10) = -1 EBADF (Bad file descriptor) [pid 3955] close(11) = -1 EBADF (Bad file descriptor) [pid 3955] close(12) = -1 EBADF (Bad file descriptor) [pid 3955] close(13) = -1 EBADF (Bad file descriptor) [pid 3955] close(14) = -1 EBADF (Bad file descriptor) [pid 3955] close(15) = -1 EBADF (Bad file descriptor) [pid 3955] close(16) = -1 EBADF (Bad file descriptor) [pid 3955] close(17) = -1 EBADF (Bad file descriptor) [pid 3955] close(18) = -1 EBADF (Bad file descriptor) [pid 3955] close(19) = -1 EBADF (Bad file descriptor) [pid 3955] close(20) = -1 EBADF (Bad file descriptor) [pid 3955] close(21) = -1 EBADF (Bad file descriptor) [pid 3955] close(22) = -1 EBADF (Bad file descriptor) [pid 3955] close(23) = -1 EBADF (Bad file descriptor) [pid 3955] close(24) = -1 EBADF (Bad file descriptor) [pid 3955] close(25) = -1 EBADF (Bad file descriptor) [pid 3955] close(26) = -1 EBADF (Bad file descriptor) [pid 3955] close(27) = -1 EBADF (Bad file descriptor) [pid 3955] close(28) = -1 EBADF (Bad file descriptor) [pid 3955] close(29) = -1 EBADF (Bad file descriptor) [pid 3955] exit_group(0) = ? [pid 3955] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./349", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./349", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./349/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./349/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./349/binderfs") = 0 [pid 3605] umount2("./349/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./349/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./349/cgroup") = 0 [pid 3605] umount2("./349/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./349/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./349/cgroup.net") = 0 [pid 3605] umount2("./349/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./349/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./349/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./349") = 0 [pid 3605] mkdir("./350", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3956 attached [pid 3956] chdir("./350") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 352 [pid 3956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3956] setpgid(0, 0) = 0 [pid 3956] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3956] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3956] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3956] write(3, "1000", 4) = 4 [pid 3956] close(3) = 0 [pid 3956] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3956] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3956] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3956] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3956] openat(3, "freezer.state", O_RDWR) = 4 [pid 3956] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3956] close(3) = 0 [pid 3956] close(4) = 0 [pid 3956] close(5) = -1 EBADF (Bad file descriptor) [pid 3956] close(6) = -1 EBADF (Bad file descriptor) [pid 3956] close(7) = -1 EBADF (Bad file descriptor) [pid 3956] close(8) = -1 EBADF (Bad file descriptor) [pid 3956] close(9) = -1 EBADF (Bad file descriptor) [pid 3956] close(10) = -1 EBADF (Bad file descriptor) [pid 3956] close(11) = -1 EBADF (Bad file descriptor) [pid 3956] close(12) = -1 EBADF (Bad file descriptor) [pid 3956] close(13) = -1 EBADF (Bad file descriptor) [pid 3956] close(14) = -1 EBADF (Bad file descriptor) [pid 3956] close(15) = -1 EBADF (Bad file descriptor) [pid 3956] close(16) = -1 EBADF (Bad file descriptor) [pid 3956] close(17) = -1 EBADF (Bad file descriptor) [pid 3956] close(18) = -1 EBADF (Bad file descriptor) [pid 3956] close(19) = -1 EBADF (Bad file descriptor) [pid 3956] close(20) = -1 EBADF (Bad file descriptor) [pid 3956] close(21) = -1 EBADF (Bad file descriptor) [pid 3956] close(22) = -1 EBADF (Bad file descriptor) [pid 3956] close(23) = -1 EBADF (Bad file descriptor) [pid 3956] close(24) = -1 EBADF (Bad file descriptor) [pid 3956] close(25) = -1 EBADF (Bad file descriptor) [pid 3956] close(26) = -1 EBADF (Bad file descriptor) [pid 3956] close(27) = -1 EBADF (Bad file descriptor) [pid 3956] close(28) = -1 EBADF (Bad file descriptor) [pid 3956] close(29) = -1 EBADF (Bad file descriptor) [pid 3956] exit_group(0) = ? [pid 3956] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./350", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./350", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./350/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./350/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./350/binderfs") = 0 [pid 3605] umount2("./350/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./350/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./350/cgroup") = 0 [pid 3605] umount2("./350/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./350/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./350/cgroup.net") = 0 [pid 3605] umount2("./350/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./350/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./350/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./350") = 0 [pid 3605] mkdir("./351", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3957 attached [pid 3957] chdir("./351") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 353 [pid 3957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3957] setpgid(0, 0) = 0 [pid 3957] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3957] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3957] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3957] write(3, "1000", 4) = 4 [pid 3957] close(3) = 0 [pid 3957] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3957] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3957] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3957] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3957] openat(3, "freezer.state", O_RDWR) = 4 [pid 3957] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3957] close(3) = 0 [pid 3957] close(4) = 0 [pid 3957] close(5) = -1 EBADF (Bad file descriptor) [pid 3957] close(6) = -1 EBADF (Bad file descriptor) [pid 3957] close(7) = -1 EBADF (Bad file descriptor) [pid 3957] close(8) = -1 EBADF (Bad file descriptor) [pid 3957] close(9) = -1 EBADF (Bad file descriptor) [pid 3957] close(10) = -1 EBADF (Bad file descriptor) [pid 3957] close(11) = -1 EBADF (Bad file descriptor) [pid 3957] close(12) = -1 EBADF (Bad file descriptor) [pid 3957] close(13) = -1 EBADF (Bad file descriptor) [pid 3957] close(14) = -1 EBADF (Bad file descriptor) [pid 3957] close(15) = -1 EBADF (Bad file descriptor) [pid 3957] close(16) = -1 EBADF (Bad file descriptor) [pid 3957] close(17) = -1 EBADF (Bad file descriptor) [pid 3957] close(18) = -1 EBADF (Bad file descriptor) [pid 3957] close(19) = -1 EBADF (Bad file descriptor) [pid 3957] close(20) = -1 EBADF (Bad file descriptor) [pid 3957] close(21) = -1 EBADF (Bad file descriptor) [pid 3957] close(22) = -1 EBADF (Bad file descriptor) [pid 3957] close(23) = -1 EBADF (Bad file descriptor) [pid 3957] close(24) = -1 EBADF (Bad file descriptor) [pid 3957] close(25) = -1 EBADF (Bad file descriptor) [pid 3957] close(26) = -1 EBADF (Bad file descriptor) [pid 3957] close(27) = -1 EBADF (Bad file descriptor) [pid 3957] close(28) = -1 EBADF (Bad file descriptor) [pid 3957] close(29) = -1 EBADF (Bad file descriptor) [pid 3957] exit_group(0) = ? [pid 3957] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./351", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./351", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./351/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./351/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./351/binderfs") = 0 [pid 3605] umount2("./351/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./351/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./351/cgroup") = 0 [pid 3605] umount2("./351/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./351/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./351/cgroup.net") = 0 [pid 3605] umount2("./351/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./351/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./351/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./351") = 0 [pid 3605] mkdir("./352", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3958 attached [pid 3958] chdir("./352") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 354 [pid 3958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3958] setpgid(0, 0) = 0 [pid 3958] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3958] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3958] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3958] write(3, "1000", 4) = 4 [pid 3958] close(3) = 0 [pid 3958] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3958] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3958] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3958] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3958] openat(3, "freezer.state", O_RDWR) = 4 [pid 3958] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3958] close(3) = 0 [pid 3958] close(4) = 0 [pid 3958] close(5) = -1 EBADF (Bad file descriptor) [pid 3958] close(6) = -1 EBADF (Bad file descriptor) [pid 3958] close(7) = -1 EBADF (Bad file descriptor) [pid 3958] close(8) = -1 EBADF (Bad file descriptor) [pid 3958] close(9) = -1 EBADF (Bad file descriptor) [pid 3958] close(10) = -1 EBADF (Bad file descriptor) [pid 3958] close(11) = -1 EBADF (Bad file descriptor) [pid 3958] close(12) = -1 EBADF (Bad file descriptor) [pid 3958] close(13) = -1 EBADF (Bad file descriptor) [pid 3958] close(14) = -1 EBADF (Bad file descriptor) [pid 3958] close(15) = -1 EBADF (Bad file descriptor) [pid 3958] close(16) = -1 EBADF (Bad file descriptor) [pid 3958] close(17) = -1 EBADF (Bad file descriptor) [pid 3958] close(18) = -1 EBADF (Bad file descriptor) [pid 3958] close(19) = -1 EBADF (Bad file descriptor) [pid 3958] close(20) = -1 EBADF (Bad file descriptor) [pid 3958] close(21) = -1 EBADF (Bad file descriptor) [pid 3958] close(22) = -1 EBADF (Bad file descriptor) [pid 3958] close(23) = -1 EBADF (Bad file descriptor) [pid 3958] close(24) = -1 EBADF (Bad file descriptor) [pid 3958] close(25) = -1 EBADF (Bad file descriptor) [pid 3958] close(26) = -1 EBADF (Bad file descriptor) [pid 3958] close(27) = -1 EBADF (Bad file descriptor) [pid 3958] close(28) = -1 EBADF (Bad file descriptor) [pid 3958] close(29) = -1 EBADF (Bad file descriptor) [pid 3958] exit_group(0) = ? [pid 3958] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./352", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./352", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./352/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./352/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./352/binderfs") = 0 [pid 3605] umount2("./352/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./352/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./352/cgroup") = 0 [pid 3605] umount2("./352/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./352/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./352/cgroup.net") = 0 [pid 3605] umount2("./352/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./352/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./352/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./352") = 0 [pid 3605] mkdir("./353", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3959 attached [pid 3959] chdir("./353") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 355 [pid 3959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3959] setpgid(0, 0) = 0 [pid 3959] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3959] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3959] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3959] write(3, "1000", 4) = 4 [pid 3959] close(3) = 0 [pid 3959] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3959] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3959] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3959] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3959] openat(3, "freezer.state", O_RDWR) = 4 [pid 3959] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3959] close(3) = 0 [pid 3959] close(4) = 0 [pid 3959] close(5) = -1 EBADF (Bad file descriptor) [pid 3959] close(6) = -1 EBADF (Bad file descriptor) [pid 3959] close(7) = -1 EBADF (Bad file descriptor) [pid 3959] close(8) = -1 EBADF (Bad file descriptor) [pid 3959] close(9) = -1 EBADF (Bad file descriptor) [pid 3959] close(10) = -1 EBADF (Bad file descriptor) [pid 3959] close(11) = -1 EBADF (Bad file descriptor) [pid 3959] close(12) = -1 EBADF (Bad file descriptor) [pid 3959] close(13) = -1 EBADF (Bad file descriptor) [pid 3959] close(14) = -1 EBADF (Bad file descriptor) [pid 3959] close(15) = -1 EBADF (Bad file descriptor) [pid 3959] close(16) = -1 EBADF (Bad file descriptor) [pid 3959] close(17) = -1 EBADF (Bad file descriptor) [pid 3959] close(18) = -1 EBADF (Bad file descriptor) [pid 3959] close(19) = -1 EBADF (Bad file descriptor) [pid 3959] close(20) = -1 EBADF (Bad file descriptor) [pid 3959] close(21) = -1 EBADF (Bad file descriptor) [pid 3959] close(22) = -1 EBADF (Bad file descriptor) [pid 3959] close(23) = -1 EBADF (Bad file descriptor) [pid 3959] close(24) = -1 EBADF (Bad file descriptor) [pid 3959] close(25) = -1 EBADF (Bad file descriptor) [pid 3959] close(26) = -1 EBADF (Bad file descriptor) [pid 3959] close(27) = -1 EBADF (Bad file descriptor) [pid 3959] close(28) = -1 EBADF (Bad file descriptor) [pid 3959] close(29) = -1 EBADF (Bad file descriptor) [pid 3959] exit_group(0) = ? [pid 3959] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./353", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./353", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./353/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./353/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./353/binderfs") = 0 [pid 3605] umount2("./353/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./353/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./353/cgroup") = 0 [pid 3605] umount2("./353/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./353/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./353/cgroup.net") = 0 [pid 3605] umount2("./353/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./353/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./353/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./353") = 0 [pid 3605] mkdir("./354", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 356 ./strace-static-x86_64: Process 3960 attached [pid 3960] chdir("./354") = 0 [pid 3960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3960] setpgid(0, 0) = 0 [pid 3960] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3960] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3960] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3960] write(3, "1000", 4) = 4 [pid 3960] close(3) = 0 [pid 3960] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3960] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3960] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3960] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3960] openat(3, "freezer.state", O_RDWR) = 4 [pid 3960] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3960] close(3) = 0 [pid 3960] close(4) = 0 [pid 3960] close(5) = -1 EBADF (Bad file descriptor) [pid 3960] close(6) = -1 EBADF (Bad file descriptor) [pid 3960] close(7) = -1 EBADF (Bad file descriptor) [pid 3960] close(8) = -1 EBADF (Bad file descriptor) [pid 3960] close(9) = -1 EBADF (Bad file descriptor) [pid 3960] close(10) = -1 EBADF (Bad file descriptor) [pid 3960] close(11) = -1 EBADF (Bad file descriptor) [pid 3960] close(12) = -1 EBADF (Bad file descriptor) [pid 3960] close(13) = -1 EBADF (Bad file descriptor) [pid 3960] close(14) = -1 EBADF (Bad file descriptor) [pid 3960] close(15) = -1 EBADF (Bad file descriptor) [pid 3960] close(16) = -1 EBADF (Bad file descriptor) [pid 3960] close(17) = -1 EBADF (Bad file descriptor) [pid 3960] close(18) = -1 EBADF (Bad file descriptor) [pid 3960] close(19) = -1 EBADF (Bad file descriptor) [pid 3960] close(20) = -1 EBADF (Bad file descriptor) [pid 3960] close(21) = -1 EBADF (Bad file descriptor) [pid 3960] close(22) = -1 EBADF (Bad file descriptor) [pid 3960] close(23) = -1 EBADF (Bad file descriptor) [pid 3960] close(24) = -1 EBADF (Bad file descriptor) [pid 3960] close(25) = -1 EBADF (Bad file descriptor) [pid 3960] close(26) = -1 EBADF (Bad file descriptor) [pid 3960] close(27) = -1 EBADF (Bad file descriptor) [pid 3960] close(28) = -1 EBADF (Bad file descriptor) [pid 3960] close(29) = -1 EBADF (Bad file descriptor) [pid 3960] exit_group(0) = ? [pid 3960] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./354", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./354", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./354/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./354/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./354/binderfs") = 0 [pid 3605] umount2("./354/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./354/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./354/cgroup") = 0 [pid 3605] umount2("./354/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./354/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./354/cgroup.net") = 0 [pid 3605] umount2("./354/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./354/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./354/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./354") = 0 [pid 3605] mkdir("./355", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 357 ./strace-static-x86_64: Process 3961 attached [pid 3961] chdir("./355") = 0 [pid 3961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3961] setpgid(0, 0) = 0 [pid 3961] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3961] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3961] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3961] write(3, "1000", 4) = 4 [pid 3961] close(3) = 0 [pid 3961] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3961] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3961] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3961] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3961] openat(3, "freezer.state", O_RDWR) = 4 [pid 3961] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3961] close(3) = 0 [pid 3961] close(4) = 0 [pid 3961] close(5) = -1 EBADF (Bad file descriptor) [pid 3961] close(6) = -1 EBADF (Bad file descriptor) [pid 3961] close(7) = -1 EBADF (Bad file descriptor) [pid 3961] close(8) = -1 EBADF (Bad file descriptor) [pid 3961] close(9) = -1 EBADF (Bad file descriptor) [pid 3961] close(10) = -1 EBADF (Bad file descriptor) [pid 3961] close(11) = -1 EBADF (Bad file descriptor) [pid 3961] close(12) = -1 EBADF (Bad file descriptor) [pid 3961] close(13) = -1 EBADF (Bad file descriptor) [pid 3961] close(14) = -1 EBADF (Bad file descriptor) [pid 3961] close(15) = -1 EBADF (Bad file descriptor) [pid 3961] close(16) = -1 EBADF (Bad file descriptor) [pid 3961] close(17) = -1 EBADF (Bad file descriptor) [pid 3961] close(18) = -1 EBADF (Bad file descriptor) [pid 3961] close(19) = -1 EBADF (Bad file descriptor) [pid 3961] close(20) = -1 EBADF (Bad file descriptor) [pid 3961] close(21) = -1 EBADF (Bad file descriptor) [pid 3961] close(22) = -1 EBADF (Bad file descriptor) [pid 3961] close(23) = -1 EBADF (Bad file descriptor) [pid 3961] close(24) = -1 EBADF (Bad file descriptor) [pid 3961] close(25) = -1 EBADF (Bad file descriptor) [pid 3961] close(26) = -1 EBADF (Bad file descriptor) [pid 3961] close(27) = -1 EBADF (Bad file descriptor) [pid 3961] close(28) = -1 EBADF (Bad file descriptor) [pid 3961] close(29) = -1 EBADF (Bad file descriptor) [pid 3961] exit_group(0) = ? [pid 3961] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./355", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./355", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./355/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./355/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./355/binderfs") = 0 [pid 3605] umount2("./355/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./355/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./355/cgroup") = 0 [pid 3605] umount2("./355/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./355/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./355/cgroup.net") = 0 [pid 3605] umount2("./355/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./355/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./355/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./355") = 0 [pid 3605] mkdir("./356", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3962 attached , child_tidptr=0x555556c0f5d0) = 358 [pid 3962] chdir("./356") = 0 [pid 3962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3962] setpgid(0, 0) = 0 [pid 3962] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3962] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3962] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3962] write(3, "1000", 4) = 4 [pid 3962] close(3) = 0 [pid 3962] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3962] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3962] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3962] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3962] openat(3, "freezer.state", O_RDWR) = 4 [pid 3962] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3962] close(3) = 0 [pid 3962] close(4) = 0 [pid 3962] close(5) = -1 EBADF (Bad file descriptor) [pid 3962] close(6) = -1 EBADF (Bad file descriptor) [pid 3962] close(7) = -1 EBADF (Bad file descriptor) [pid 3962] close(8) = -1 EBADF (Bad file descriptor) [pid 3962] close(9) = -1 EBADF (Bad file descriptor) [pid 3962] close(10) = -1 EBADF (Bad file descriptor) [pid 3962] close(11) = -1 EBADF (Bad file descriptor) [pid 3962] close(12) = -1 EBADF (Bad file descriptor) [pid 3962] close(13) = -1 EBADF (Bad file descriptor) [pid 3962] close(14) = -1 EBADF (Bad file descriptor) [pid 3962] close(15) = -1 EBADF (Bad file descriptor) [pid 3962] close(16) = -1 EBADF (Bad file descriptor) [pid 3962] close(17) = -1 EBADF (Bad file descriptor) [pid 3962] close(18) = -1 EBADF (Bad file descriptor) [pid 3962] close(19) = -1 EBADF (Bad file descriptor) [pid 3962] close(20) = -1 EBADF (Bad file descriptor) [pid 3962] close(21) = -1 EBADF (Bad file descriptor) [pid 3962] close(22) = -1 EBADF (Bad file descriptor) [pid 3962] close(23) = -1 EBADF (Bad file descriptor) [pid 3962] close(24) = -1 EBADF (Bad file descriptor) [pid 3962] close(25) = -1 EBADF (Bad file descriptor) [pid 3962] close(26) = -1 EBADF (Bad file descriptor) [pid 3962] close(27) = -1 EBADF (Bad file descriptor) [pid 3962] close(28) = -1 EBADF (Bad file descriptor) [pid 3962] close(29) = -1 EBADF (Bad file descriptor) [pid 3962] exit_group(0) = ? [pid 3962] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./356", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./356", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./356/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./356/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./356/binderfs") = 0 [pid 3605] umount2("./356/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./356/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./356/cgroup") = 0 [pid 3605] umount2("./356/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./356/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./356/cgroup.net") = 0 [pid 3605] umount2("./356/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./356/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./356/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./356") = 0 [pid 3605] mkdir("./357", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3963 attached , child_tidptr=0x555556c0f5d0) = 359 [pid 3963] chdir("./357") = 0 [pid 3963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3963] setpgid(0, 0) = 0 [pid 3963] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3963] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3963] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3963] write(3, "1000", 4) = 4 [pid 3963] close(3) = 0 [pid 3963] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3963] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3963] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3963] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3963] openat(3, "freezer.state", O_RDWR) = 4 [pid 3963] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3963] close(3) = 0 [pid 3963] close(4) = 0 [pid 3963] close(5) = -1 EBADF (Bad file descriptor) [pid 3963] close(6) = -1 EBADF (Bad file descriptor) [pid 3963] close(7) = -1 EBADF (Bad file descriptor) [pid 3963] close(8) = -1 EBADF (Bad file descriptor) [pid 3963] close(9) = -1 EBADF (Bad file descriptor) [pid 3963] close(10) = -1 EBADF (Bad file descriptor) [pid 3963] close(11) = -1 EBADF (Bad file descriptor) [pid 3963] close(12) = -1 EBADF (Bad file descriptor) [pid 3963] close(13) = -1 EBADF (Bad file descriptor) [pid 3963] close(14) = -1 EBADF (Bad file descriptor) [pid 3963] close(15) = -1 EBADF (Bad file descriptor) [pid 3963] close(16) = -1 EBADF (Bad file descriptor) [pid 3963] close(17) = -1 EBADF (Bad file descriptor) [pid 3963] close(18) = -1 EBADF (Bad file descriptor) [pid 3963] close(19) = -1 EBADF (Bad file descriptor) [pid 3963] close(20) = -1 EBADF (Bad file descriptor) [pid 3963] close(21) = -1 EBADF (Bad file descriptor) [pid 3963] close(22) = -1 EBADF (Bad file descriptor) [pid 3963] close(23) = -1 EBADF (Bad file descriptor) [pid 3963] close(24) = -1 EBADF (Bad file descriptor) [pid 3963] close(25) = -1 EBADF (Bad file descriptor) [pid 3963] close(26) = -1 EBADF (Bad file descriptor) [pid 3963] close(27) = -1 EBADF (Bad file descriptor) [pid 3963] close(28) = -1 EBADF (Bad file descriptor) [pid 3963] close(29) = -1 EBADF (Bad file descriptor) [pid 3963] exit_group(0) = ? [pid 3963] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./357", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./357", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./357/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./357/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./357/binderfs") = 0 [pid 3605] umount2("./357/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./357/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./357/cgroup") = 0 [pid 3605] umount2("./357/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./357/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./357/cgroup.net") = 0 [pid 3605] umount2("./357/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./357/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./357/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./357") = 0 [pid 3605] mkdir("./358", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 360 ./strace-static-x86_64: Process 3964 attached [pid 3964] chdir("./358") = 0 [pid 3964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3964] setpgid(0, 0) = 0 [pid 3964] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3964] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3964] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3964] write(3, "1000", 4) = 4 [pid 3964] close(3) = 0 [pid 3964] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3964] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3964] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3964] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3964] openat(3, "freezer.state", O_RDWR) = 4 [pid 3964] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3964] close(3) = 0 [pid 3964] close(4) = 0 [pid 3964] close(5) = -1 EBADF (Bad file descriptor) [pid 3964] close(6) = -1 EBADF (Bad file descriptor) [pid 3964] close(7) = -1 EBADF (Bad file descriptor) [pid 3964] close(8) = -1 EBADF (Bad file descriptor) [pid 3964] close(9) = -1 EBADF (Bad file descriptor) [pid 3964] close(10) = -1 EBADF (Bad file descriptor) [pid 3964] close(11) = -1 EBADF (Bad file descriptor) [pid 3964] close(12) = -1 EBADF (Bad file descriptor) [pid 3964] close(13) = -1 EBADF (Bad file descriptor) [pid 3964] close(14) = -1 EBADF (Bad file descriptor) [pid 3964] close(15) = -1 EBADF (Bad file descriptor) [pid 3964] close(16) = -1 EBADF (Bad file descriptor) [pid 3964] close(17) = -1 EBADF (Bad file descriptor) [pid 3964] close(18) = -1 EBADF (Bad file descriptor) [pid 3964] close(19) = -1 EBADF (Bad file descriptor) [pid 3964] close(20) = -1 EBADF (Bad file descriptor) [pid 3964] close(21) = -1 EBADF (Bad file descriptor) [pid 3964] close(22) = -1 EBADF (Bad file descriptor) [pid 3964] close(23) = -1 EBADF (Bad file descriptor) [pid 3964] close(24) = -1 EBADF (Bad file descriptor) [pid 3964] close(25) = -1 EBADF (Bad file descriptor) [pid 3964] close(26) = -1 EBADF (Bad file descriptor) [pid 3964] close(27) = -1 EBADF (Bad file descriptor) [pid 3964] close(28) = -1 EBADF (Bad file descriptor) [pid 3964] close(29) = -1 EBADF (Bad file descriptor) [pid 3964] exit_group(0) = ? [pid 3964] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./358", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./358", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./358/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./358/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./358/binderfs") = 0 [pid 3605] umount2("./358/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./358/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./358/cgroup") = 0 [pid 3605] umount2("./358/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./358/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./358/cgroup.net") = 0 [pid 3605] umount2("./358/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./358/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./358/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./358") = 0 [pid 3605] mkdir("./359", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3965 attached , child_tidptr=0x555556c0f5d0) = 361 [pid 3965] chdir("./359") = 0 [pid 3965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3965] setpgid(0, 0) = 0 [pid 3965] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3965] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3965] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3965] write(3, "1000", 4) = 4 [pid 3965] close(3) = 0 [pid 3965] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3965] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3965] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3965] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3965] openat(3, "freezer.state", O_RDWR) = 4 [pid 3965] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3965] close(3) = 0 [pid 3965] close(4) = 0 [pid 3965] close(5) = -1 EBADF (Bad file descriptor) [pid 3965] close(6) = -1 EBADF (Bad file descriptor) [pid 3965] close(7) = -1 EBADF (Bad file descriptor) [pid 3965] close(8) = -1 EBADF (Bad file descriptor) [pid 3965] close(9) = -1 EBADF (Bad file descriptor) [pid 3965] close(10) = -1 EBADF (Bad file descriptor) [pid 3965] close(11) = -1 EBADF (Bad file descriptor) [pid 3965] close(12) = -1 EBADF (Bad file descriptor) [pid 3965] close(13) = -1 EBADF (Bad file descriptor) [pid 3965] close(14) = -1 EBADF (Bad file descriptor) [pid 3965] close(15) = -1 EBADF (Bad file descriptor) [pid 3965] close(16) = -1 EBADF (Bad file descriptor) [pid 3965] close(17) = -1 EBADF (Bad file descriptor) [pid 3965] close(18) = -1 EBADF (Bad file descriptor) [pid 3965] close(19) = -1 EBADF (Bad file descriptor) [pid 3965] close(20) = -1 EBADF (Bad file descriptor) [pid 3965] close(21) = -1 EBADF (Bad file descriptor) [pid 3965] close(22) = -1 EBADF (Bad file descriptor) [pid 3965] close(23) = -1 EBADF (Bad file descriptor) [pid 3965] close(24) = -1 EBADF (Bad file descriptor) [pid 3965] close(25) = -1 EBADF (Bad file descriptor) [pid 3965] close(26) = -1 EBADF (Bad file descriptor) [pid 3965] close(27) = -1 EBADF (Bad file descriptor) [pid 3965] close(28) = -1 EBADF (Bad file descriptor) [pid 3965] close(29) = -1 EBADF (Bad file descriptor) [pid 3965] exit_group(0) = ? [pid 3965] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./359", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./359", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./359/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./359/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./359/binderfs") = 0 [pid 3605] umount2("./359/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./359/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./359/cgroup") = 0 [pid 3605] umount2("./359/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./359/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./359/cgroup.net") = 0 [pid 3605] umount2("./359/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./359/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./359/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./359") = 0 [pid 3605] mkdir("./360", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3966 attached , child_tidptr=0x555556c0f5d0) = 362 [pid 3966] chdir("./360") = 0 [pid 3966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3966] setpgid(0, 0) = 0 [pid 3966] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3966] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3966] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3966] write(3, "1000", 4) = 4 [pid 3966] close(3) = 0 [pid 3966] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3966] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3966] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3966] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3966] openat(3, "freezer.state", O_RDWR) = 4 [pid 3966] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3966] close(3) = 0 [pid 3966] close(4) = 0 [pid 3966] close(5) = -1 EBADF (Bad file descriptor) [pid 3966] close(6) = -1 EBADF (Bad file descriptor) [pid 3966] close(7) = -1 EBADF (Bad file descriptor) [pid 3966] close(8) = -1 EBADF (Bad file descriptor) [pid 3966] close(9) = -1 EBADF (Bad file descriptor) [pid 3966] close(10) = -1 EBADF (Bad file descriptor) [pid 3966] close(11) = -1 EBADF (Bad file descriptor) [pid 3966] close(12) = -1 EBADF (Bad file descriptor) [pid 3966] close(13) = -1 EBADF (Bad file descriptor) [pid 3966] close(14) = -1 EBADF (Bad file descriptor) [pid 3966] close(15) = -1 EBADF (Bad file descriptor) [pid 3966] close(16) = -1 EBADF (Bad file descriptor) [pid 3966] close(17) = -1 EBADF (Bad file descriptor) [pid 3966] close(18) = -1 EBADF (Bad file descriptor) [pid 3966] close(19) = -1 EBADF (Bad file descriptor) [pid 3966] close(20) = -1 EBADF (Bad file descriptor) [pid 3966] close(21) = -1 EBADF (Bad file descriptor) [pid 3966] close(22) = -1 EBADF (Bad file descriptor) [pid 3966] close(23) = -1 EBADF (Bad file descriptor) [pid 3966] close(24) = -1 EBADF (Bad file descriptor) [pid 3966] close(25) = -1 EBADF (Bad file descriptor) [pid 3966] close(26) = -1 EBADF (Bad file descriptor) [pid 3966] close(27) = -1 EBADF (Bad file descriptor) [pid 3966] close(28) = -1 EBADF (Bad file descriptor) [pid 3966] close(29) = -1 EBADF (Bad file descriptor) [pid 3966] exit_group(0) = ? [pid 3966] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./360", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./360", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./360/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./360/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./360/binderfs") = 0 [pid 3605] umount2("./360/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./360/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./360/cgroup") = 0 [pid 3605] umount2("./360/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./360/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./360/cgroup.net") = 0 [pid 3605] umount2("./360/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./360/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./360/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./360") = 0 [pid 3605] mkdir("./361", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3967 attached , child_tidptr=0x555556c0f5d0) = 363 [pid 3967] chdir("./361") = 0 [pid 3967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3967] setpgid(0, 0) = 0 [pid 3967] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3967] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3967] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3967] write(3, "1000", 4) = 4 [pid 3967] close(3) = 0 [pid 3967] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3967] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3967] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3967] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3967] openat(3, "freezer.state", O_RDWR) = 4 [pid 3967] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3967] close(3) = 0 [pid 3967] close(4) = 0 [pid 3967] close(5) = -1 EBADF (Bad file descriptor) [pid 3967] close(6) = -1 EBADF (Bad file descriptor) [pid 3967] close(7) = -1 EBADF (Bad file descriptor) [pid 3967] close(8) = -1 EBADF (Bad file descriptor) [pid 3967] close(9) = -1 EBADF (Bad file descriptor) [pid 3967] close(10) = -1 EBADF (Bad file descriptor) [pid 3967] close(11) = -1 EBADF (Bad file descriptor) [pid 3967] close(12) = -1 EBADF (Bad file descriptor) [pid 3967] close(13) = -1 EBADF (Bad file descriptor) [pid 3967] close(14) = -1 EBADF (Bad file descriptor) [pid 3967] close(15) = -1 EBADF (Bad file descriptor) [pid 3967] close(16) = -1 EBADF (Bad file descriptor) [pid 3967] close(17) = -1 EBADF (Bad file descriptor) [pid 3967] close(18) = -1 EBADF (Bad file descriptor) [pid 3967] close(19) = -1 EBADF (Bad file descriptor) [pid 3967] close(20) = -1 EBADF (Bad file descriptor) [pid 3967] close(21) = -1 EBADF (Bad file descriptor) [pid 3967] close(22) = -1 EBADF (Bad file descriptor) [pid 3967] close(23) = -1 EBADF (Bad file descriptor) [pid 3967] close(24) = -1 EBADF (Bad file descriptor) [pid 3967] close(25) = -1 EBADF (Bad file descriptor) [pid 3967] close(26) = -1 EBADF (Bad file descriptor) [pid 3967] close(27) = -1 EBADF (Bad file descriptor) [pid 3967] close(28) = -1 EBADF (Bad file descriptor) [pid 3967] close(29) = -1 EBADF (Bad file descriptor) [pid 3967] exit_group(0) = ? [pid 3967] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./361", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./361", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./361/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./361/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./361/binderfs") = 0 [pid 3605] umount2("./361/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./361/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./361/cgroup") = 0 [pid 3605] umount2("./361/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./361/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./361/cgroup.net") = 0 [pid 3605] umount2("./361/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./361/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./361/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./361") = 0 [pid 3605] mkdir("./362", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3968 attached , child_tidptr=0x555556c0f5d0) = 364 [pid 3968] chdir("./362") = 0 [pid 3968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3968] setpgid(0, 0) = 0 [pid 3968] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3968] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3968] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3968] write(3, "1000", 4) = 4 [pid 3968] close(3) = 0 [pid 3968] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3968] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3968] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3968] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3968] openat(3, "freezer.state", O_RDWR) = 4 [pid 3968] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3968] close(3) = 0 [pid 3968] close(4) = 0 [pid 3968] close(5) = -1 EBADF (Bad file descriptor) [pid 3968] close(6) = -1 EBADF (Bad file descriptor) [pid 3968] close(7) = -1 EBADF (Bad file descriptor) [pid 3968] close(8) = -1 EBADF (Bad file descriptor) [pid 3968] close(9) = -1 EBADF (Bad file descriptor) [pid 3968] close(10) = -1 EBADF (Bad file descriptor) [pid 3968] close(11) = -1 EBADF (Bad file descriptor) [pid 3968] close(12) = -1 EBADF (Bad file descriptor) [pid 3968] close(13) = -1 EBADF (Bad file descriptor) [pid 3968] close(14) = -1 EBADF (Bad file descriptor) [pid 3968] close(15) = -1 EBADF (Bad file descriptor) [pid 3968] close(16) = -1 EBADF (Bad file descriptor) [pid 3968] close(17) = -1 EBADF (Bad file descriptor) [pid 3968] close(18) = -1 EBADF (Bad file descriptor) [pid 3968] close(19) = -1 EBADF (Bad file descriptor) [pid 3968] close(20) = -1 EBADF (Bad file descriptor) [pid 3968] close(21) = -1 EBADF (Bad file descriptor) [pid 3968] close(22) = -1 EBADF (Bad file descriptor) [pid 3968] close(23) = -1 EBADF (Bad file descriptor) [pid 3968] close(24) = -1 EBADF (Bad file descriptor) [pid 3968] close(25) = -1 EBADF (Bad file descriptor) [pid 3968] close(26) = -1 EBADF (Bad file descriptor) [pid 3968] close(27) = -1 EBADF (Bad file descriptor) [pid 3968] close(28) = -1 EBADF (Bad file descriptor) [pid 3968] close(29) = -1 EBADF (Bad file descriptor) [pid 3968] exit_group(0) = ? [pid 3968] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./362", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./362", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./362/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./362/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./362/binderfs") = 0 [pid 3605] umount2("./362/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./362/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./362/cgroup") = 0 [pid 3605] umount2("./362/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./362/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./362/cgroup.net") = 0 [pid 3605] umount2("./362/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./362/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./362/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./362") = 0 [pid 3605] mkdir("./363", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3969 attached , child_tidptr=0x555556c0f5d0) = 365 [pid 3969] chdir("./363") = 0 [pid 3969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3969] setpgid(0, 0) = 0 [pid 3969] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3969] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3969] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3969] write(3, "1000", 4) = 4 [pid 3969] close(3) = 0 [pid 3969] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3969] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3969] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3969] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3969] openat(3, "freezer.state", O_RDWR) = 4 [pid 3969] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3969] close(3) = 0 [pid 3969] close(4) = 0 [pid 3969] close(5) = -1 EBADF (Bad file descriptor) [pid 3969] close(6) = -1 EBADF (Bad file descriptor) [pid 3969] close(7) = -1 EBADF (Bad file descriptor) [pid 3969] close(8) = -1 EBADF (Bad file descriptor) [pid 3969] close(9) = -1 EBADF (Bad file descriptor) [pid 3969] close(10) = -1 EBADF (Bad file descriptor) [pid 3969] close(11) = -1 EBADF (Bad file descriptor) [pid 3969] close(12) = -1 EBADF (Bad file descriptor) [pid 3969] close(13) = -1 EBADF (Bad file descriptor) [pid 3969] close(14) = -1 EBADF (Bad file descriptor) [pid 3969] close(15) = -1 EBADF (Bad file descriptor) [pid 3969] close(16) = -1 EBADF (Bad file descriptor) [pid 3969] close(17) = -1 EBADF (Bad file descriptor) [pid 3969] close(18) = -1 EBADF (Bad file descriptor) [pid 3969] close(19) = -1 EBADF (Bad file descriptor) [pid 3969] close(20) = -1 EBADF (Bad file descriptor) [pid 3969] close(21) = -1 EBADF (Bad file descriptor) [pid 3969] close(22) = -1 EBADF (Bad file descriptor) [pid 3969] close(23) = -1 EBADF (Bad file descriptor) [pid 3969] close(24) = -1 EBADF (Bad file descriptor) [pid 3969] close(25) = -1 EBADF (Bad file descriptor) [pid 3969] close(26) = -1 EBADF (Bad file descriptor) [pid 3969] close(27) = -1 EBADF (Bad file descriptor) [pid 3969] close(28) = -1 EBADF (Bad file descriptor) [pid 3969] close(29) = -1 EBADF (Bad file descriptor) [pid 3969] exit_group(0) = ? [pid 3969] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./363", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./363", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./363/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./363/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./363/binderfs") = 0 [pid 3605] umount2("./363/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./363/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./363/cgroup") = 0 [pid 3605] umount2("./363/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./363/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./363/cgroup.net") = 0 [pid 3605] umount2("./363/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./363/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./363/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./363") = 0 [pid 3605] mkdir("./364", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3970 attached [pid 3970] chdir("./364") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 366 [pid 3970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3970] setpgid(0, 0) = 0 [pid 3970] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3970] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3970] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3970] write(3, "1000", 4) = 4 [pid 3970] close(3) = 0 [pid 3970] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3970] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3970] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3970] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3970] openat(3, "freezer.state", O_RDWR) = 4 [pid 3970] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3970] close(3) = 0 [pid 3970] close(4) = 0 [pid 3970] close(5) = -1 EBADF (Bad file descriptor) [pid 3970] close(6) = -1 EBADF (Bad file descriptor) [pid 3970] close(7) = -1 EBADF (Bad file descriptor) [pid 3970] close(8) = -1 EBADF (Bad file descriptor) [pid 3970] close(9) = -1 EBADF (Bad file descriptor) [pid 3970] close(10) = -1 EBADF (Bad file descriptor) [pid 3970] close(11) = -1 EBADF (Bad file descriptor) [pid 3970] close(12) = -1 EBADF (Bad file descriptor) [pid 3970] close(13) = -1 EBADF (Bad file descriptor) [pid 3970] close(14) = -1 EBADF (Bad file descriptor) [pid 3970] close(15) = -1 EBADF (Bad file descriptor) [pid 3970] close(16) = -1 EBADF (Bad file descriptor) [pid 3970] close(17) = -1 EBADF (Bad file descriptor) [pid 3970] close(18) = -1 EBADF (Bad file descriptor) [pid 3970] close(19) = -1 EBADF (Bad file descriptor) [pid 3970] close(20) = -1 EBADF (Bad file descriptor) [pid 3970] close(21) = -1 EBADF (Bad file descriptor) [pid 3970] close(22) = -1 EBADF (Bad file descriptor) [pid 3970] close(23) = -1 EBADF (Bad file descriptor) [pid 3970] close(24) = -1 EBADF (Bad file descriptor) [pid 3970] close(25) = -1 EBADF (Bad file descriptor) [pid 3970] close(26) = -1 EBADF (Bad file descriptor) [pid 3970] close(27) = -1 EBADF (Bad file descriptor) [pid 3970] close(28) = -1 EBADF (Bad file descriptor) [pid 3970] close(29) = -1 EBADF (Bad file descriptor) [pid 3970] exit_group(0) = ? [pid 3970] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./364", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./364", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./364/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./364/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./364/binderfs") = 0 [pid 3605] umount2("./364/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./364/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./364/cgroup") = 0 [pid 3605] umount2("./364/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./364/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./364/cgroup.net") = 0 [pid 3605] umount2("./364/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./364/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./364/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./364") = 0 [pid 3605] mkdir("./365", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3971 attached [pid 3971] chdir("./365") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 367 [pid 3971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3971] setpgid(0, 0) = 0 [pid 3971] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3971] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3971] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3971] write(3, "1000", 4) = 4 [pid 3971] close(3) = 0 [pid 3971] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3971] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3971] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3971] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3971] openat(3, "freezer.state", O_RDWR) = 4 [pid 3971] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3971] close(3) = 0 [pid 3971] close(4) = 0 [pid 3971] close(5) = -1 EBADF (Bad file descriptor) [pid 3971] close(6) = -1 EBADF (Bad file descriptor) [pid 3971] close(7) = -1 EBADF (Bad file descriptor) [pid 3971] close(8) = -1 EBADF (Bad file descriptor) [pid 3971] close(9) = -1 EBADF (Bad file descriptor) [pid 3971] close(10) = -1 EBADF (Bad file descriptor) [pid 3971] close(11) = -1 EBADF (Bad file descriptor) [pid 3971] close(12) = -1 EBADF (Bad file descriptor) [pid 3971] close(13) = -1 EBADF (Bad file descriptor) [pid 3971] close(14) = -1 EBADF (Bad file descriptor) [pid 3971] close(15) = -1 EBADF (Bad file descriptor) [pid 3971] close(16) = -1 EBADF (Bad file descriptor) [pid 3971] close(17) = -1 EBADF (Bad file descriptor) [pid 3971] close(18) = -1 EBADF (Bad file descriptor) [pid 3971] close(19) = -1 EBADF (Bad file descriptor) [pid 3971] close(20) = -1 EBADF (Bad file descriptor) [pid 3971] close(21) = -1 EBADF (Bad file descriptor) [pid 3971] close(22) = -1 EBADF (Bad file descriptor) [pid 3971] close(23) = -1 EBADF (Bad file descriptor) [pid 3971] close(24) = -1 EBADF (Bad file descriptor) [pid 3971] close(25) = -1 EBADF (Bad file descriptor) [pid 3971] close(26) = -1 EBADF (Bad file descriptor) [pid 3971] close(27) = -1 EBADF (Bad file descriptor) [pid 3971] close(28) = -1 EBADF (Bad file descriptor) [pid 3971] close(29) = -1 EBADF (Bad file descriptor) [pid 3971] exit_group(0) = ? [pid 3971] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./365", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./365", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./365/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./365/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./365/binderfs") = 0 [pid 3605] umount2("./365/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./365/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./365/cgroup") = 0 [pid 3605] umount2("./365/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./365/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./365/cgroup.net") = 0 [pid 3605] umount2("./365/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./365/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./365/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./365") = 0 [pid 3605] mkdir("./366", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3972 attached , child_tidptr=0x555556c0f5d0) = 368 [pid 3972] chdir("./366") = 0 [pid 3972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3972] setpgid(0, 0) = 0 [pid 3972] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3972] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3972] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3972] write(3, "1000", 4) = 4 [pid 3972] close(3) = 0 [pid 3972] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3972] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3972] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3972] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3972] openat(3, "freezer.state", O_RDWR) = 4 [pid 3972] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3972] close(3) = 0 [pid 3972] close(4) = 0 [pid 3972] close(5) = -1 EBADF (Bad file descriptor) [pid 3972] close(6) = -1 EBADF (Bad file descriptor) [pid 3972] close(7) = -1 EBADF (Bad file descriptor) [pid 3972] close(8) = -1 EBADF (Bad file descriptor) [pid 3972] close(9) = -1 EBADF (Bad file descriptor) [pid 3972] close(10) = -1 EBADF (Bad file descriptor) [pid 3972] close(11) = -1 EBADF (Bad file descriptor) [pid 3972] close(12) = -1 EBADF (Bad file descriptor) [pid 3972] close(13) = -1 EBADF (Bad file descriptor) [pid 3972] close(14) = -1 EBADF (Bad file descriptor) [pid 3972] close(15) = -1 EBADF (Bad file descriptor) [pid 3972] close(16) = -1 EBADF (Bad file descriptor) [pid 3972] close(17) = -1 EBADF (Bad file descriptor) [pid 3972] close(18) = -1 EBADF (Bad file descriptor) [pid 3972] close(19) = -1 EBADF (Bad file descriptor) [pid 3972] close(20) = -1 EBADF (Bad file descriptor) [pid 3972] close(21) = -1 EBADF (Bad file descriptor) [pid 3972] close(22) = -1 EBADF (Bad file descriptor) [pid 3972] close(23) = -1 EBADF (Bad file descriptor) [pid 3972] close(24) = -1 EBADF (Bad file descriptor) [pid 3972] close(25) = -1 EBADF (Bad file descriptor) [pid 3972] close(26) = -1 EBADF (Bad file descriptor) [pid 3972] close(27) = -1 EBADF (Bad file descriptor) [pid 3972] close(28) = -1 EBADF (Bad file descriptor) [pid 3972] close(29) = -1 EBADF (Bad file descriptor) [pid 3972] exit_group(0) = ? [pid 3972] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./366", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./366", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./366/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./366/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./366/binderfs") = 0 [pid 3605] umount2("./366/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./366/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./366/cgroup") = 0 [pid 3605] umount2("./366/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./366/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./366/cgroup.net") = 0 [pid 3605] umount2("./366/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./366/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./366/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./366") = 0 [pid 3605] mkdir("./367", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3973 attached [pid 3973] chdir("./367") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 369 [pid 3973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3973] setpgid(0, 0) = 0 [pid 3973] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3973] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3973] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3973] write(3, "1000", 4) = 4 [pid 3973] close(3) = 0 [pid 3973] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3973] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3973] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3973] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3973] openat(3, "freezer.state", O_RDWR) = 4 [pid 3973] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3973] close(3) = 0 [pid 3973] close(4) = 0 [pid 3973] close(5) = -1 EBADF (Bad file descriptor) [pid 3973] close(6) = -1 EBADF (Bad file descriptor) [pid 3973] close(7) = -1 EBADF (Bad file descriptor) [pid 3973] close(8) = -1 EBADF (Bad file descriptor) [pid 3973] close(9) = -1 EBADF (Bad file descriptor) [pid 3973] close(10) = -1 EBADF (Bad file descriptor) [pid 3973] close(11) = -1 EBADF (Bad file descriptor) [pid 3973] close(12) = -1 EBADF (Bad file descriptor) [pid 3973] close(13) = -1 EBADF (Bad file descriptor) [pid 3973] close(14) = -1 EBADF (Bad file descriptor) [pid 3973] close(15) = -1 EBADF (Bad file descriptor) [pid 3973] close(16) = -1 EBADF (Bad file descriptor) [pid 3973] close(17) = -1 EBADF (Bad file descriptor) [pid 3973] close(18) = -1 EBADF (Bad file descriptor) [pid 3973] close(19) = -1 EBADF (Bad file descriptor) [pid 3973] close(20) = -1 EBADF (Bad file descriptor) [pid 3973] close(21) = -1 EBADF (Bad file descriptor) [pid 3973] close(22) = -1 EBADF (Bad file descriptor) [pid 3973] close(23) = -1 EBADF (Bad file descriptor) [pid 3973] close(24) = -1 EBADF (Bad file descriptor) [pid 3973] close(25) = -1 EBADF (Bad file descriptor) [pid 3973] close(26) = -1 EBADF (Bad file descriptor) [pid 3973] close(27) = -1 EBADF (Bad file descriptor) [pid 3973] close(28) = -1 EBADF (Bad file descriptor) [pid 3973] close(29) = -1 EBADF (Bad file descriptor) [pid 3973] exit_group(0) = ? [pid 3973] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./367", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./367", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./367/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./367/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./367/binderfs") = 0 [pid 3605] umount2("./367/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./367/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./367/cgroup") = 0 [pid 3605] umount2("./367/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./367/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./367/cgroup.net") = 0 [pid 3605] umount2("./367/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./367/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./367/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./367") = 0 [pid 3605] mkdir("./368", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3974 attached [pid 3974] chdir("./368") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 370 [pid 3974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3974] setpgid(0, 0) = 0 [pid 3974] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3974] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3974] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3974] write(3, "1000", 4) = 4 [pid 3974] close(3) = 0 [pid 3974] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3974] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3974] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3974] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3974] openat(3, "freezer.state", O_RDWR) = 4 [pid 3974] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3974] close(3) = 0 [pid 3974] close(4) = 0 [pid 3974] close(5) = -1 EBADF (Bad file descriptor) [pid 3974] close(6) = -1 EBADF (Bad file descriptor) [pid 3974] close(7) = -1 EBADF (Bad file descriptor) [pid 3974] close(8) = -1 EBADF (Bad file descriptor) [pid 3974] close(9) = -1 EBADF (Bad file descriptor) [pid 3974] close(10) = -1 EBADF (Bad file descriptor) [pid 3974] close(11) = -1 EBADF (Bad file descriptor) [pid 3974] close(12) = -1 EBADF (Bad file descriptor) [pid 3974] close(13) = -1 EBADF (Bad file descriptor) [pid 3974] close(14) = -1 EBADF (Bad file descriptor) [pid 3974] close(15) = -1 EBADF (Bad file descriptor) [pid 3974] close(16) = -1 EBADF (Bad file descriptor) [pid 3974] close(17) = -1 EBADF (Bad file descriptor) [pid 3974] close(18) = -1 EBADF (Bad file descriptor) [pid 3974] close(19) = -1 EBADF (Bad file descriptor) [pid 3974] close(20) = -1 EBADF (Bad file descriptor) [pid 3974] close(21) = -1 EBADF (Bad file descriptor) [pid 3974] close(22) = -1 EBADF (Bad file descriptor) [pid 3974] close(23) = -1 EBADF (Bad file descriptor) [pid 3974] close(24) = -1 EBADF (Bad file descriptor) [pid 3974] close(25) = -1 EBADF (Bad file descriptor) [pid 3974] close(26) = -1 EBADF (Bad file descriptor) [pid 3974] close(27) = -1 EBADF (Bad file descriptor) [pid 3974] close(28) = -1 EBADF (Bad file descriptor) [pid 3974] close(29) = -1 EBADF (Bad file descriptor) [pid 3974] exit_group(0) = ? [pid 3974] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./368", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./368", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./368/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./368/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./368/binderfs") = 0 [pid 3605] umount2("./368/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./368/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./368/cgroup") = 0 [pid 3605] umount2("./368/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./368/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./368/cgroup.net") = 0 [pid 3605] umount2("./368/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./368/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./368/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./368") = 0 [pid 3605] mkdir("./369", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3975 attached [pid 3975] chdir("./369") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 371 [pid 3975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3975] setpgid(0, 0) = 0 [pid 3975] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3975] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3975] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3975] write(3, "1000", 4) = 4 [pid 3975] close(3) = 0 [pid 3975] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3975] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3975] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3975] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3975] openat(3, "freezer.state", O_RDWR) = 4 [pid 3975] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3975] close(3) = 0 [pid 3975] close(4) = 0 [pid 3975] close(5) = -1 EBADF (Bad file descriptor) [pid 3975] close(6) = -1 EBADF (Bad file descriptor) [pid 3975] close(7) = -1 EBADF (Bad file descriptor) [pid 3975] close(8) = -1 EBADF (Bad file descriptor) [pid 3975] close(9) = -1 EBADF (Bad file descriptor) [pid 3975] close(10) = -1 EBADF (Bad file descriptor) [pid 3975] close(11) = -1 EBADF (Bad file descriptor) [pid 3975] close(12) = -1 EBADF (Bad file descriptor) [pid 3975] close(13) = -1 EBADF (Bad file descriptor) [pid 3975] close(14) = -1 EBADF (Bad file descriptor) [pid 3975] close(15) = -1 EBADF (Bad file descriptor) [pid 3975] close(16) = -1 EBADF (Bad file descriptor) [pid 3975] close(17) = -1 EBADF (Bad file descriptor) [pid 3975] close(18) = -1 EBADF (Bad file descriptor) [pid 3975] close(19) = -1 EBADF (Bad file descriptor) [pid 3975] close(20) = -1 EBADF (Bad file descriptor) [pid 3975] close(21) = -1 EBADF (Bad file descriptor) [pid 3975] close(22) = -1 EBADF (Bad file descriptor) [pid 3975] close(23) = -1 EBADF (Bad file descriptor) [pid 3975] close(24) = -1 EBADF (Bad file descriptor) [pid 3975] close(25) = -1 EBADF (Bad file descriptor) [pid 3975] close(26) = -1 EBADF (Bad file descriptor) [pid 3975] close(27) = -1 EBADF (Bad file descriptor) [pid 3975] close(28) = -1 EBADF (Bad file descriptor) [pid 3975] close(29) = -1 EBADF (Bad file descriptor) [pid 3975] exit_group(0) = ? [pid 3975] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./369", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./369", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./369/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./369/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./369/binderfs") = 0 [pid 3605] umount2("./369/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./369/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./369/cgroup") = 0 [pid 3605] umount2("./369/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./369/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./369/cgroup.net") = 0 [pid 3605] umount2("./369/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./369/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./369/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./369") = 0 [pid 3605] mkdir("./370", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3976 attached [pid 3976] chdir("./370" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 372 [pid 3976] <... chdir resumed>) = 0 [pid 3976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3976] setpgid(0, 0) = 0 [pid 3976] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3976] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3976] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3976] write(3, "1000", 4) = 4 [pid 3976] close(3) = 0 [pid 3976] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3976] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3976] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3976] openat(3, "freezer.state", O_RDWR) = 4 [pid 3976] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3976] close(3) = 0 [pid 3976] close(4) = 0 [pid 3976] close(5) = -1 EBADF (Bad file descriptor) [pid 3976] close(6) = -1 EBADF (Bad file descriptor) [pid 3976] close(7) = -1 EBADF (Bad file descriptor) [pid 3976] close(8) = -1 EBADF (Bad file descriptor) [pid 3976] close(9) = -1 EBADF (Bad file descriptor) [pid 3976] close(10) = -1 EBADF (Bad file descriptor) [pid 3976] close(11) = -1 EBADF (Bad file descriptor) [pid 3976] close(12) = -1 EBADF (Bad file descriptor) [pid 3976] close(13) = -1 EBADF (Bad file descriptor) [pid 3976] close(14) = -1 EBADF (Bad file descriptor) [pid 3976] close(15) = -1 EBADF (Bad file descriptor) [pid 3976] close(16) = -1 EBADF (Bad file descriptor) [pid 3976] close(17) = -1 EBADF (Bad file descriptor) [pid 3976] close(18) = -1 EBADF (Bad file descriptor) [pid 3976] close(19) = -1 EBADF (Bad file descriptor) [pid 3976] close(20) = -1 EBADF (Bad file descriptor) [pid 3976] close(21) = -1 EBADF (Bad file descriptor) [pid 3976] close(22) = -1 EBADF (Bad file descriptor) [pid 3976] close(23) = -1 EBADF (Bad file descriptor) [pid 3976] close(24) = -1 EBADF (Bad file descriptor) [pid 3976] close(25) = -1 EBADF (Bad file descriptor) [pid 3976] close(26) = -1 EBADF (Bad file descriptor) [pid 3976] close(27) = -1 EBADF (Bad file descriptor) [pid 3976] close(28) = -1 EBADF (Bad file descriptor) [pid 3976] close(29) = -1 EBADF (Bad file descriptor) [pid 3976] exit_group(0) = ? [pid 3976] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./370", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./370", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./370/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./370/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./370/binderfs") = 0 [pid 3605] umount2("./370/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./370/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./370/cgroup") = 0 [pid 3605] umount2("./370/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./370/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./370/cgroup.net") = 0 [pid 3605] umount2("./370/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./370/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./370/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./370") = 0 [pid 3605] mkdir("./371", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3977 attached [pid 3977] chdir("./371") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 373 [pid 3977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3977] setpgid(0, 0) = 0 [pid 3977] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3977] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3977] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3977] write(3, "1000", 4) = 4 [pid 3977] close(3) = 0 [pid 3977] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3977] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3977] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3977] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3977] openat(3, "freezer.state", O_RDWR) = 4 [pid 3977] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3977] close(3) = 0 [pid 3977] close(4) = 0 [pid 3977] close(5) = -1 EBADF (Bad file descriptor) [pid 3977] close(6) = -1 EBADF (Bad file descriptor) [pid 3977] close(7) = -1 EBADF (Bad file descriptor) [pid 3977] close(8) = -1 EBADF (Bad file descriptor) [pid 3977] close(9) = -1 EBADF (Bad file descriptor) [pid 3977] close(10) = -1 EBADF (Bad file descriptor) [pid 3977] close(11) = -1 EBADF (Bad file descriptor) [pid 3977] close(12) = -1 EBADF (Bad file descriptor) [pid 3977] close(13) = -1 EBADF (Bad file descriptor) [pid 3977] close(14) = -1 EBADF (Bad file descriptor) [pid 3977] close(15) = -1 EBADF (Bad file descriptor) [pid 3977] close(16) = -1 EBADF (Bad file descriptor) [pid 3977] close(17) = -1 EBADF (Bad file descriptor) [pid 3977] close(18) = -1 EBADF (Bad file descriptor) [pid 3977] close(19) = -1 EBADF (Bad file descriptor) [pid 3977] close(20) = -1 EBADF (Bad file descriptor) [pid 3977] close(21) = -1 EBADF (Bad file descriptor) [pid 3977] close(22) = -1 EBADF (Bad file descriptor) [pid 3977] close(23) = -1 EBADF (Bad file descriptor) [pid 3977] close(24) = -1 EBADF (Bad file descriptor) [pid 3977] close(25) = -1 EBADF (Bad file descriptor) [pid 3977] close(26) = -1 EBADF (Bad file descriptor) [pid 3977] close(27) = -1 EBADF (Bad file descriptor) [pid 3977] close(28) = -1 EBADF (Bad file descriptor) [pid 3977] close(29) = -1 EBADF (Bad file descriptor) [pid 3977] exit_group(0) = ? [pid 3977] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./371", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./371", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./371/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./371/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./371/binderfs") = 0 [pid 3605] umount2("./371/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./371/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./371/cgroup") = 0 [pid 3605] umount2("./371/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./371/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./371/cgroup.net") = 0 [pid 3605] umount2("./371/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./371/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./371/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./371") = 0 [pid 3605] mkdir("./372", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3978 attached , child_tidptr=0x555556c0f5d0) = 374 [pid 3978] chdir("./372") = 0 [pid 3978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3978] setpgid(0, 0) = 0 [pid 3978] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3978] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3978] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3978] write(3, "1000", 4) = 4 [pid 3978] close(3) = 0 [pid 3978] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3978] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3978] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3978] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3978] openat(3, "freezer.state", O_RDWR) = 4 [pid 3978] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3978] close(3) = 0 [pid 3978] close(4) = 0 [pid 3978] close(5) = -1 EBADF (Bad file descriptor) [pid 3978] close(6) = -1 EBADF (Bad file descriptor) [pid 3978] close(7) = -1 EBADF (Bad file descriptor) [pid 3978] close(8) = -1 EBADF (Bad file descriptor) [pid 3978] close(9) = -1 EBADF (Bad file descriptor) [pid 3978] close(10) = -1 EBADF (Bad file descriptor) [pid 3978] close(11) = -1 EBADF (Bad file descriptor) [pid 3978] close(12) = -1 EBADF (Bad file descriptor) [pid 3978] close(13) = -1 EBADF (Bad file descriptor) [pid 3978] close(14) = -1 EBADF (Bad file descriptor) [pid 3978] close(15) = -1 EBADF (Bad file descriptor) [pid 3978] close(16) = -1 EBADF (Bad file descriptor) [pid 3978] close(17) = -1 EBADF (Bad file descriptor) [pid 3978] close(18) = -1 EBADF (Bad file descriptor) [pid 3978] close(19) = -1 EBADF (Bad file descriptor) [pid 3978] close(20) = -1 EBADF (Bad file descriptor) [pid 3978] close(21) = -1 EBADF (Bad file descriptor) [pid 3978] close(22) = -1 EBADF (Bad file descriptor) [pid 3978] close(23) = -1 EBADF (Bad file descriptor) [pid 3978] close(24) = -1 EBADF (Bad file descriptor) [pid 3978] close(25) = -1 EBADF (Bad file descriptor) [pid 3978] close(26) = -1 EBADF (Bad file descriptor) [pid 3978] close(27) = -1 EBADF (Bad file descriptor) [pid 3978] close(28) = -1 EBADF (Bad file descriptor) [pid 3978] close(29) = -1 EBADF (Bad file descriptor) [pid 3978] exit_group(0) = ? [pid 3978] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./372", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./372", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./372/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./372/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./372/binderfs") = 0 [pid 3605] umount2("./372/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./372/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./372/cgroup") = 0 [pid 3605] umount2("./372/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./372/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./372/cgroup.net") = 0 [pid 3605] umount2("./372/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./372/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./372/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./372") = 0 [pid 3605] mkdir("./373", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3979 attached [pid 3979] chdir("./373") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 375 [pid 3979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3979] setpgid(0, 0) = 0 [pid 3979] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3979] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3979] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3979] write(3, "1000", 4) = 4 [pid 3979] close(3) = 0 [pid 3979] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3979] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3979] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3979] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3979] openat(3, "freezer.state", O_RDWR) = 4 [pid 3979] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3979] close(3) = 0 [pid 3979] close(4) = 0 [pid 3979] close(5) = -1 EBADF (Bad file descriptor) [pid 3979] close(6) = -1 EBADF (Bad file descriptor) [pid 3979] close(7) = -1 EBADF (Bad file descriptor) [pid 3979] close(8) = -1 EBADF (Bad file descriptor) [pid 3979] close(9) = -1 EBADF (Bad file descriptor) [pid 3979] close(10) = -1 EBADF (Bad file descriptor) [pid 3979] close(11) = -1 EBADF (Bad file descriptor) [pid 3979] close(12) = -1 EBADF (Bad file descriptor) [pid 3979] close(13) = -1 EBADF (Bad file descriptor) [pid 3979] close(14) = -1 EBADF (Bad file descriptor) [pid 3979] close(15) = -1 EBADF (Bad file descriptor) [pid 3979] close(16) = -1 EBADF (Bad file descriptor) [pid 3979] close(17) = -1 EBADF (Bad file descriptor) [pid 3979] close(18) = -1 EBADF (Bad file descriptor) [pid 3979] close(19) = -1 EBADF (Bad file descriptor) [pid 3979] close(20) = -1 EBADF (Bad file descriptor) [pid 3979] close(21) = -1 EBADF (Bad file descriptor) [pid 3979] close(22) = -1 EBADF (Bad file descriptor) [pid 3979] close(23) = -1 EBADF (Bad file descriptor) [pid 3979] close(24) = -1 EBADF (Bad file descriptor) [pid 3979] close(25) = -1 EBADF (Bad file descriptor) [pid 3979] close(26) = -1 EBADF (Bad file descriptor) [pid 3979] close(27) = -1 EBADF (Bad file descriptor) [pid 3979] close(28) = -1 EBADF (Bad file descriptor) [pid 3979] close(29) = -1 EBADF (Bad file descriptor) [pid 3979] exit_group(0) = ? [pid 3979] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./373", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./373", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./373/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./373/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./373/binderfs") = 0 [pid 3605] umount2("./373/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./373/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./373/cgroup") = 0 [pid 3605] umount2("./373/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./373/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./373/cgroup.net") = 0 [pid 3605] umount2("./373/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./373/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./373/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./373") = 0 [pid 3605] mkdir("./374", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3980 attached [pid 3980] chdir("./374") = 0 [pid 3980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3980] setpgid(0, 0) = 0 [pid 3980] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 376 [pid 3980] <... symlink resumed>) = 0 [pid 3980] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3980] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3980] write(3, "1000", 4) = 4 [pid 3980] close(3) = 0 [pid 3980] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3980] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3980] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3980] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3980] openat(3, "freezer.state", O_RDWR) = 4 [pid 3980] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3980] close(3) = 0 [pid 3980] close(4) = 0 [pid 3980] close(5) = -1 EBADF (Bad file descriptor) [pid 3980] close(6) = -1 EBADF (Bad file descriptor) [pid 3980] close(7) = -1 EBADF (Bad file descriptor) [pid 3980] close(8) = -1 EBADF (Bad file descriptor) [pid 3980] close(9) = -1 EBADF (Bad file descriptor) [pid 3980] close(10) = -1 EBADF (Bad file descriptor) [pid 3980] close(11) = -1 EBADF (Bad file descriptor) [pid 3980] close(12) = -1 EBADF (Bad file descriptor) [pid 3980] close(13) = -1 EBADF (Bad file descriptor) [pid 3980] close(14) = -1 EBADF (Bad file descriptor) [pid 3980] close(15) = -1 EBADF (Bad file descriptor) [pid 3980] close(16) = -1 EBADF (Bad file descriptor) [pid 3980] close(17) = -1 EBADF (Bad file descriptor) [pid 3980] close(18) = -1 EBADF (Bad file descriptor) [pid 3980] close(19) = -1 EBADF (Bad file descriptor) [pid 3980] close(20) = -1 EBADF (Bad file descriptor) [pid 3980] close(21) = -1 EBADF (Bad file descriptor) [pid 3980] close(22) = -1 EBADF (Bad file descriptor) [pid 3980] close(23) = -1 EBADF (Bad file descriptor) [pid 3980] close(24) = -1 EBADF (Bad file descriptor) [pid 3980] close(25) = -1 EBADF (Bad file descriptor) [pid 3980] close(26) = -1 EBADF (Bad file descriptor) [pid 3980] close(27) = -1 EBADF (Bad file descriptor) [pid 3980] close(28) = -1 EBADF (Bad file descriptor) [pid 3980] close(29) = -1 EBADF (Bad file descriptor) [pid 3980] exit_group(0) = ? [pid 3980] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./374", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./374", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./374/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./374/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./374/binderfs") = 0 [pid 3605] umount2("./374/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./374/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./374/cgroup") = 0 [pid 3605] umount2("./374/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./374/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./374/cgroup.net") = 0 [pid 3605] umount2("./374/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./374/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./374/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./374") = 0 [pid 3605] mkdir("./375", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3981 attached [pid 3981] chdir("./375") = 0 [pid 3981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3981] setpgid(0, 0) = 0 [pid 3981] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 377 [pid 3981] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3981] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3981] write(3, "1000", 4) = 4 [pid 3981] close(3) = 0 [pid 3981] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3981] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3981] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3981] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3981] openat(3, "freezer.state", O_RDWR) = 4 [pid 3981] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3981] close(3) = 0 [pid 3981] close(4) = 0 [pid 3981] close(5) = -1 EBADF (Bad file descriptor) [pid 3981] close(6) = -1 EBADF (Bad file descriptor) [pid 3981] close(7) = -1 EBADF (Bad file descriptor) [pid 3981] close(8) = -1 EBADF (Bad file descriptor) [pid 3981] close(9) = -1 EBADF (Bad file descriptor) [pid 3981] close(10) = -1 EBADF (Bad file descriptor) [pid 3981] close(11) = -1 EBADF (Bad file descriptor) [pid 3981] close(12) = -1 EBADF (Bad file descriptor) [pid 3981] close(13) = -1 EBADF (Bad file descriptor) [pid 3981] close(14) = -1 EBADF (Bad file descriptor) [pid 3981] close(15) = -1 EBADF (Bad file descriptor) [pid 3981] close(16) = -1 EBADF (Bad file descriptor) [pid 3981] close(17) = -1 EBADF (Bad file descriptor) [pid 3981] close(18) = -1 EBADF (Bad file descriptor) [pid 3981] close(19) = -1 EBADF (Bad file descriptor) [pid 3981] close(20) = -1 EBADF (Bad file descriptor) [pid 3981] close(21) = -1 EBADF (Bad file descriptor) [pid 3981] close(22) = -1 EBADF (Bad file descriptor) [pid 3981] close(23) = -1 EBADF (Bad file descriptor) [pid 3981] close(24) = -1 EBADF (Bad file descriptor) [pid 3981] close(25) = -1 EBADF (Bad file descriptor) [pid 3981] close(26) = -1 EBADF (Bad file descriptor) [pid 3981] close(27) = -1 EBADF (Bad file descriptor) [pid 3981] close(28) = -1 EBADF (Bad file descriptor) [pid 3981] close(29) = -1 EBADF (Bad file descriptor) [pid 3981] exit_group(0) = ? [pid 3981] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./375", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./375", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./375/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./375/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./375/binderfs") = 0 [pid 3605] umount2("./375/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./375/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./375/cgroup") = 0 [pid 3605] umount2("./375/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./375/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./375/cgroup.net") = 0 [pid 3605] umount2("./375/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./375/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./375/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./375") = 0 [pid 3605] mkdir("./376", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3982 attached [pid 3982] chdir("./376") = 0 [pid 3982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3982] setpgid(0, 0) = 0 [pid 3982] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 378 [pid 3982] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3982] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3982] write(3, "1000", 4) = 4 [pid 3982] close(3) = 0 [pid 3982] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3982] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3982] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3982] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3982] openat(3, "freezer.state", O_RDWR) = 4 [pid 3982] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3982] close(3) = 0 [pid 3982] close(4) = 0 [pid 3982] close(5) = -1 EBADF (Bad file descriptor) [pid 3982] close(6) = -1 EBADF (Bad file descriptor) [pid 3982] close(7) = -1 EBADF (Bad file descriptor) [pid 3982] close(8) = -1 EBADF (Bad file descriptor) [pid 3982] close(9) = -1 EBADF (Bad file descriptor) [pid 3982] close(10) = -1 EBADF (Bad file descriptor) [pid 3982] close(11) = -1 EBADF (Bad file descriptor) [pid 3982] close(12) = -1 EBADF (Bad file descriptor) [pid 3982] close(13) = -1 EBADF (Bad file descriptor) [pid 3982] close(14) = -1 EBADF (Bad file descriptor) [pid 3982] close(15) = -1 EBADF (Bad file descriptor) [pid 3982] close(16) = -1 EBADF (Bad file descriptor) [pid 3982] close(17) = -1 EBADF (Bad file descriptor) [pid 3982] close(18) = -1 EBADF (Bad file descriptor) [pid 3982] close(19) = -1 EBADF (Bad file descriptor) [pid 3982] close(20) = -1 EBADF (Bad file descriptor) [pid 3982] close(21) = -1 EBADF (Bad file descriptor) [pid 3982] close(22) = -1 EBADF (Bad file descriptor) [pid 3982] close(23) = -1 EBADF (Bad file descriptor) [pid 3982] close(24) = -1 EBADF (Bad file descriptor) [pid 3982] close(25) = -1 EBADF (Bad file descriptor) [pid 3982] close(26) = -1 EBADF (Bad file descriptor) [pid 3982] close(27) = -1 EBADF (Bad file descriptor) [pid 3982] close(28) = -1 EBADF (Bad file descriptor) [pid 3982] close(29) = -1 EBADF (Bad file descriptor) [pid 3982] exit_group(0) = ? [pid 3982] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./376", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./376", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./376/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./376/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./376/binderfs") = 0 [pid 3605] umount2("./376/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./376/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./376/cgroup") = 0 [pid 3605] umount2("./376/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./376/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./376/cgroup.net") = 0 [pid 3605] umount2("./376/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./376/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./376/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./376") = 0 [pid 3605] mkdir("./377", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3983 attached [pid 3983] chdir("./377") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 379 [pid 3983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3983] setpgid(0, 0) = 0 [pid 3983] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3983] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3983] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3983] write(3, "1000", 4) = 4 [pid 3983] close(3) = 0 [pid 3983] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3983] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3983] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3983] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3983] openat(3, "freezer.state", O_RDWR) = 4 [pid 3983] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3983] close(3) = 0 [pid 3983] close(4) = 0 [pid 3983] close(5) = -1 EBADF (Bad file descriptor) [pid 3983] close(6) = -1 EBADF (Bad file descriptor) [pid 3983] close(7) = -1 EBADF (Bad file descriptor) [pid 3983] close(8) = -1 EBADF (Bad file descriptor) [pid 3983] close(9) = -1 EBADF (Bad file descriptor) [pid 3983] close(10) = -1 EBADF (Bad file descriptor) [pid 3983] close(11) = -1 EBADF (Bad file descriptor) [pid 3983] close(12) = -1 EBADF (Bad file descriptor) [pid 3983] close(13) = -1 EBADF (Bad file descriptor) [pid 3983] close(14) = -1 EBADF (Bad file descriptor) [pid 3983] close(15) = -1 EBADF (Bad file descriptor) [pid 3983] close(16) = -1 EBADF (Bad file descriptor) [pid 3983] close(17) = -1 EBADF (Bad file descriptor) [pid 3983] close(18) = -1 EBADF (Bad file descriptor) [pid 3983] close(19) = -1 EBADF (Bad file descriptor) [pid 3983] close(20) = -1 EBADF (Bad file descriptor) [pid 3983] close(21) = -1 EBADF (Bad file descriptor) [pid 3983] close(22) = -1 EBADF (Bad file descriptor) [pid 3983] close(23) = -1 EBADF (Bad file descriptor) [pid 3983] close(24) = -1 EBADF (Bad file descriptor) [pid 3983] close(25) = -1 EBADF (Bad file descriptor) [pid 3983] close(26) = -1 EBADF (Bad file descriptor) [pid 3983] close(27) = -1 EBADF (Bad file descriptor) [pid 3983] close(28) = -1 EBADF (Bad file descriptor) [pid 3983] close(29) = -1 EBADF (Bad file descriptor) [pid 3983] exit_group(0) = ? [pid 3983] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./377", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./377", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./377/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./377/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./377/binderfs") = 0 [pid 3605] umount2("./377/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./377/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./377/cgroup") = 0 [pid 3605] umount2("./377/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./377/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./377/cgroup.net") = 0 [pid 3605] umount2("./377/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./377/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./377/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./377") = 0 [pid 3605] mkdir("./378", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3984 attached [pid 3984] chdir("./378") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 380 [pid 3984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3984] setpgid(0, 0) = 0 [pid 3984] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3984] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3984] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3984] write(3, "1000", 4) = 4 [pid 3984] close(3) = 0 [pid 3984] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3984] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3984] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3984] openat(3, "freezer.state", O_RDWR) = 4 [pid 3984] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3984] close(3) = 0 [pid 3984] close(4) = 0 [pid 3984] close(5) = -1 EBADF (Bad file descriptor) [pid 3984] close(6) = -1 EBADF (Bad file descriptor) [pid 3984] close(7) = -1 EBADF (Bad file descriptor) [pid 3984] close(8) = -1 EBADF (Bad file descriptor) [pid 3984] close(9) = -1 EBADF (Bad file descriptor) [pid 3984] close(10) = -1 EBADF (Bad file descriptor) [pid 3984] close(11) = -1 EBADF (Bad file descriptor) [pid 3984] close(12) = -1 EBADF (Bad file descriptor) [pid 3984] close(13) = -1 EBADF (Bad file descriptor) [pid 3984] close(14) = -1 EBADF (Bad file descriptor) [pid 3984] close(15) = -1 EBADF (Bad file descriptor) [pid 3984] close(16) = -1 EBADF (Bad file descriptor) [pid 3984] close(17) = -1 EBADF (Bad file descriptor) [pid 3984] close(18) = -1 EBADF (Bad file descriptor) [pid 3984] close(19) = -1 EBADF (Bad file descriptor) [pid 3984] close(20) = -1 EBADF (Bad file descriptor) [pid 3984] close(21) = -1 EBADF (Bad file descriptor) [pid 3984] close(22) = -1 EBADF (Bad file descriptor) [pid 3984] close(23) = -1 EBADF (Bad file descriptor) [pid 3984] close(24) = -1 EBADF (Bad file descriptor) [pid 3984] close(25) = -1 EBADF (Bad file descriptor) [pid 3984] close(26) = -1 EBADF (Bad file descriptor) [pid 3984] close(27) = -1 EBADF (Bad file descriptor) [pid 3984] close(28) = -1 EBADF (Bad file descriptor) [pid 3984] close(29) = -1 EBADF (Bad file descriptor) [pid 3984] exit_group(0) = ? [pid 3984] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./378", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./378", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./378/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./378/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./378/binderfs") = 0 [pid 3605] umount2("./378/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./378/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./378/cgroup") = 0 [pid 3605] umount2("./378/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./378/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./378/cgroup.net") = 0 [pid 3605] umount2("./378/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./378/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./378/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./378") = 0 [pid 3605] mkdir("./379", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3985 attached [pid 3985] chdir("./379") = 0 [pid 3985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3985] setpgid(0, 0) = 0 [pid 3985] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 381 [pid 3985] <... symlink resumed>) = 0 [pid 3985] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3985] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3985] write(3, "1000", 4) = 4 [pid 3985] close(3) = 0 [pid 3985] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3985] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3985] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3985] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3985] openat(3, "freezer.state", O_RDWR) = 4 [pid 3985] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3985] close(3) = 0 [pid 3985] close(4) = 0 [pid 3985] close(5) = -1 EBADF (Bad file descriptor) [pid 3985] close(6) = -1 EBADF (Bad file descriptor) [pid 3985] close(7) = -1 EBADF (Bad file descriptor) [pid 3985] close(8) = -1 EBADF (Bad file descriptor) [pid 3985] close(9) = -1 EBADF (Bad file descriptor) [pid 3985] close(10) = -1 EBADF (Bad file descriptor) [pid 3985] close(11) = -1 EBADF (Bad file descriptor) [pid 3985] close(12) = -1 EBADF (Bad file descriptor) [pid 3985] close(13) = -1 EBADF (Bad file descriptor) [pid 3985] close(14) = -1 EBADF (Bad file descriptor) [pid 3985] close(15) = -1 EBADF (Bad file descriptor) [pid 3985] close(16) = -1 EBADF (Bad file descriptor) [pid 3985] close(17) = -1 EBADF (Bad file descriptor) [pid 3985] close(18) = -1 EBADF (Bad file descriptor) [pid 3985] close(19) = -1 EBADF (Bad file descriptor) [pid 3985] close(20) = -1 EBADF (Bad file descriptor) [pid 3985] close(21) = -1 EBADF (Bad file descriptor) [pid 3985] close(22) = -1 EBADF (Bad file descriptor) [pid 3985] close(23) = -1 EBADF (Bad file descriptor) [pid 3985] close(24) = -1 EBADF (Bad file descriptor) [pid 3985] close(25) = -1 EBADF (Bad file descriptor) [pid 3985] close(26) = -1 EBADF (Bad file descriptor) [pid 3985] close(27) = -1 EBADF (Bad file descriptor) [pid 3985] close(28) = -1 EBADF (Bad file descriptor) [pid 3985] close(29) = -1 EBADF (Bad file descriptor) [pid 3985] exit_group(0) = ? [pid 3985] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./379", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./379", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./379/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./379/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./379/binderfs") = 0 [pid 3605] umount2("./379/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./379/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./379/cgroup") = 0 [pid 3605] umount2("./379/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./379/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./379/cgroup.net") = 0 [pid 3605] umount2("./379/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./379/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./379/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./379") = 0 [pid 3605] mkdir("./380", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 382 ./strace-static-x86_64: Process 3986 attached [pid 3986] chdir("./380") = 0 [pid 3986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3986] setpgid(0, 0) = 0 [pid 3986] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3986] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3986] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3986] write(3, "1000", 4) = 4 [pid 3986] close(3) = 0 [pid 3986] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3986] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3986] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3986] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3986] openat(3, "freezer.state", O_RDWR) = 4 [pid 3986] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3986] close(3) = 0 [pid 3986] close(4) = 0 [pid 3986] close(5) = -1 EBADF (Bad file descriptor) [pid 3986] close(6) = -1 EBADF (Bad file descriptor) [pid 3986] close(7) = -1 EBADF (Bad file descriptor) [pid 3986] close(8) = -1 EBADF (Bad file descriptor) [pid 3986] close(9) = -1 EBADF (Bad file descriptor) [pid 3986] close(10) = -1 EBADF (Bad file descriptor) [pid 3986] close(11) = -1 EBADF (Bad file descriptor) [pid 3986] close(12) = -1 EBADF (Bad file descriptor) [pid 3986] close(13) = -1 EBADF (Bad file descriptor) [pid 3986] close(14) = -1 EBADF (Bad file descriptor) [pid 3986] close(15) = -1 EBADF (Bad file descriptor) [pid 3986] close(16) = -1 EBADF (Bad file descriptor) [pid 3986] close(17) = -1 EBADF (Bad file descriptor) [pid 3986] close(18) = -1 EBADF (Bad file descriptor) [pid 3986] close(19) = -1 EBADF (Bad file descriptor) [pid 3986] close(20) = -1 EBADF (Bad file descriptor) [pid 3986] close(21) = -1 EBADF (Bad file descriptor) [pid 3986] close(22) = -1 EBADF (Bad file descriptor) [pid 3986] close(23) = -1 EBADF (Bad file descriptor) [pid 3986] close(24) = -1 EBADF (Bad file descriptor) [pid 3986] close(25) = -1 EBADF (Bad file descriptor) [pid 3986] close(26) = -1 EBADF (Bad file descriptor) [pid 3986] close(27) = -1 EBADF (Bad file descriptor) [pid 3986] close(28) = -1 EBADF (Bad file descriptor) [pid 3986] close(29) = -1 EBADF (Bad file descriptor) [pid 3986] exit_group(0) = ? [pid 3986] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./380", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./380", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./380/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./380/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./380/binderfs") = 0 [pid 3605] umount2("./380/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./380/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./380/cgroup") = 0 [pid 3605] umount2("./380/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./380/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./380/cgroup.net") = 0 [pid 3605] umount2("./380/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./380/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./380/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./380") = 0 [pid 3605] mkdir("./381", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3987 attached [pid 3987] chdir("./381") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 383 [pid 3987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3987] setpgid(0, 0) = 0 [pid 3987] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3987] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3987] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3987] write(3, "1000", 4) = 4 [pid 3987] close(3) = 0 [pid 3987] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3987] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3987] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3987] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3987] openat(3, "freezer.state", O_RDWR) = 4 [pid 3987] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3987] close(3) = 0 [pid 3987] close(4) = 0 [pid 3987] close(5) = -1 EBADF (Bad file descriptor) [pid 3987] close(6) = -1 EBADF (Bad file descriptor) [pid 3987] close(7) = -1 EBADF (Bad file descriptor) [pid 3987] close(8) = -1 EBADF (Bad file descriptor) [pid 3987] close(9) = -1 EBADF (Bad file descriptor) [pid 3987] close(10) = -1 EBADF (Bad file descriptor) [pid 3987] close(11) = -1 EBADF (Bad file descriptor) [pid 3987] close(12) = -1 EBADF (Bad file descriptor) [pid 3987] close(13) = -1 EBADF (Bad file descriptor) [pid 3987] close(14) = -1 EBADF (Bad file descriptor) [pid 3987] close(15) = -1 EBADF (Bad file descriptor) [pid 3987] close(16) = -1 EBADF (Bad file descriptor) [pid 3987] close(17) = -1 EBADF (Bad file descriptor) [pid 3987] close(18) = -1 EBADF (Bad file descriptor) [pid 3987] close(19) = -1 EBADF (Bad file descriptor) [pid 3987] close(20) = -1 EBADF (Bad file descriptor) [pid 3987] close(21) = -1 EBADF (Bad file descriptor) [pid 3987] close(22) = -1 EBADF (Bad file descriptor) [pid 3987] close(23) = -1 EBADF (Bad file descriptor) [pid 3987] close(24) = -1 EBADF (Bad file descriptor) [pid 3987] close(25) = -1 EBADF (Bad file descriptor) [pid 3987] close(26) = -1 EBADF (Bad file descriptor) [pid 3987] close(27) = -1 EBADF (Bad file descriptor) [pid 3987] close(28) = -1 EBADF (Bad file descriptor) [pid 3987] close(29) = -1 EBADF (Bad file descriptor) [pid 3987] exit_group(0) = ? [pid 3987] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./381", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./381", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./381/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./381/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./381/binderfs") = 0 [pid 3605] umount2("./381/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./381/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./381/cgroup") = 0 [pid 3605] umount2("./381/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./381/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./381/cgroup.net") = 0 [pid 3605] umount2("./381/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./381/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./381/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./381") = 0 [pid 3605] mkdir("./382", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 384 ./strace-static-x86_64: Process 3988 attached [pid 3988] chdir("./382") = 0 [pid 3988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3988] setpgid(0, 0) = 0 [pid 3988] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3988] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3988] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3988] write(3, "1000", 4) = 4 [pid 3988] close(3) = 0 [pid 3988] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3988] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3988] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3988] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3988] openat(3, "freezer.state", O_RDWR) = 4 [pid 3988] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3988] close(3) = 0 [pid 3988] close(4) = 0 [pid 3988] close(5) = -1 EBADF (Bad file descriptor) [pid 3988] close(6) = -1 EBADF (Bad file descriptor) [pid 3988] close(7) = -1 EBADF (Bad file descriptor) [pid 3988] close(8) = -1 EBADF (Bad file descriptor) [pid 3988] close(9) = -1 EBADF (Bad file descriptor) [pid 3988] close(10) = -1 EBADF (Bad file descriptor) [pid 3988] close(11) = -1 EBADF (Bad file descriptor) [pid 3988] close(12) = -1 EBADF (Bad file descriptor) [pid 3988] close(13) = -1 EBADF (Bad file descriptor) [pid 3988] close(14) = -1 EBADF (Bad file descriptor) [pid 3988] close(15) = -1 EBADF (Bad file descriptor) [pid 3988] close(16) = -1 EBADF (Bad file descriptor) [pid 3988] close(17) = -1 EBADF (Bad file descriptor) [pid 3988] close(18) = -1 EBADF (Bad file descriptor) [pid 3988] close(19) = -1 EBADF (Bad file descriptor) [pid 3988] close(20) = -1 EBADF (Bad file descriptor) [pid 3988] close(21) = -1 EBADF (Bad file descriptor) [pid 3988] close(22) = -1 EBADF (Bad file descriptor) [pid 3988] close(23) = -1 EBADF (Bad file descriptor) [pid 3988] close(24) = -1 EBADF (Bad file descriptor) [pid 3988] close(25) = -1 EBADF (Bad file descriptor) [pid 3988] close(26) = -1 EBADF (Bad file descriptor) [pid 3988] close(27) = -1 EBADF (Bad file descriptor) [pid 3988] close(28) = -1 EBADF (Bad file descriptor) [pid 3988] close(29) = -1 EBADF (Bad file descriptor) [pid 3988] exit_group(0) = ? [pid 3988] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./382", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./382", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./382/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./382/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./382/binderfs") = 0 [pid 3605] umount2("./382/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./382/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./382/cgroup") = 0 [pid 3605] umount2("./382/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./382/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./382/cgroup.net") = 0 [pid 3605] umount2("./382/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./382/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./382/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./382") = 0 [pid 3605] mkdir("./383", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3989 attached , child_tidptr=0x555556c0f5d0) = 385 [pid 3989] chdir("./383") = 0 [pid 3989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3989] setpgid(0, 0) = 0 [pid 3989] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3989] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3989] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3989] write(3, "1000", 4) = 4 [pid 3989] close(3) = 0 [pid 3989] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3989] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3989] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3989] openat(3, "freezer.state", O_RDWR) = 4 [pid 3989] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3989] close(3) = 0 [pid 3989] close(4) = 0 [pid 3989] close(5) = -1 EBADF (Bad file descriptor) [pid 3989] close(6) = -1 EBADF (Bad file descriptor) [pid 3989] close(7) = -1 EBADF (Bad file descriptor) [pid 3989] close(8) = -1 EBADF (Bad file descriptor) [pid 3989] close(9) = -1 EBADF (Bad file descriptor) [pid 3989] close(10) = -1 EBADF (Bad file descriptor) [pid 3989] close(11) = -1 EBADF (Bad file descriptor) [pid 3989] close(12) = -1 EBADF (Bad file descriptor) [pid 3989] close(13) = -1 EBADF (Bad file descriptor) [pid 3989] close(14) = -1 EBADF (Bad file descriptor) [pid 3989] close(15) = -1 EBADF (Bad file descriptor) [pid 3989] close(16) = -1 EBADF (Bad file descriptor) [pid 3989] close(17) = -1 EBADF (Bad file descriptor) [pid 3989] close(18) = -1 EBADF (Bad file descriptor) [pid 3989] close(19) = -1 EBADF (Bad file descriptor) [pid 3989] close(20) = -1 EBADF (Bad file descriptor) [pid 3989] close(21) = -1 EBADF (Bad file descriptor) [pid 3989] close(22) = -1 EBADF (Bad file descriptor) [pid 3989] close(23) = -1 EBADF (Bad file descriptor) [pid 3989] close(24) = -1 EBADF (Bad file descriptor) [pid 3989] close(25) = -1 EBADF (Bad file descriptor) [pid 3989] close(26) = -1 EBADF (Bad file descriptor) [pid 3989] close(27) = -1 EBADF (Bad file descriptor) [pid 3989] close(28) = -1 EBADF (Bad file descriptor) [pid 3989] close(29) = -1 EBADF (Bad file descriptor) [pid 3989] exit_group(0) = ? [pid 3989] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./383", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./383", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./383/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./383/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./383/binderfs") = 0 [pid 3605] umount2("./383/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./383/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./383/cgroup") = 0 [pid 3605] umount2("./383/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./383/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./383/cgroup.net") = 0 [pid 3605] umount2("./383/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./383/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./383/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./383") = 0 [pid 3605] mkdir("./384", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3990 attached [pid 3990] chdir("./384") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 386 [pid 3990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3990] setpgid(0, 0) = 0 [pid 3990] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3990] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3990] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3990] write(3, "1000", 4) = 4 [pid 3990] close(3) = 0 [pid 3990] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3990] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3990] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3990] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3990] openat(3, "freezer.state", O_RDWR) = 4 [pid 3990] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3990] close(3) = 0 [pid 3990] close(4) = 0 [pid 3990] close(5) = -1 EBADF (Bad file descriptor) [pid 3990] close(6) = -1 EBADF (Bad file descriptor) [pid 3990] close(7) = -1 EBADF (Bad file descriptor) [pid 3990] close(8) = -1 EBADF (Bad file descriptor) [pid 3990] close(9) = -1 EBADF (Bad file descriptor) [pid 3990] close(10) = -1 EBADF (Bad file descriptor) [pid 3990] close(11) = -1 EBADF (Bad file descriptor) [pid 3990] close(12) = -1 EBADF (Bad file descriptor) [pid 3990] close(13) = -1 EBADF (Bad file descriptor) [pid 3990] close(14) = -1 EBADF (Bad file descriptor) [pid 3990] close(15) = -1 EBADF (Bad file descriptor) [pid 3990] close(16) = -1 EBADF (Bad file descriptor) [pid 3990] close(17) = -1 EBADF (Bad file descriptor) [pid 3990] close(18) = -1 EBADF (Bad file descriptor) [pid 3990] close(19) = -1 EBADF (Bad file descriptor) [pid 3990] close(20) = -1 EBADF (Bad file descriptor) [pid 3990] close(21) = -1 EBADF (Bad file descriptor) [pid 3990] close(22) = -1 EBADF (Bad file descriptor) [pid 3990] close(23) = -1 EBADF (Bad file descriptor) [pid 3990] close(24) = -1 EBADF (Bad file descriptor) [pid 3990] close(25) = -1 EBADF (Bad file descriptor) [pid 3990] close(26) = -1 EBADF (Bad file descriptor) [pid 3990] close(27) = -1 EBADF (Bad file descriptor) [pid 3990] close(28) = -1 EBADF (Bad file descriptor) [pid 3990] close(29) = -1 EBADF (Bad file descriptor) [pid 3990] exit_group(0) = ? [pid 3990] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./384", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./384", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./384/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./384/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./384/binderfs") = 0 [pid 3605] umount2("./384/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./384/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./384/cgroup") = 0 [pid 3605] umount2("./384/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./384/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./384/cgroup.net") = 0 [pid 3605] umount2("./384/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./384/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./384/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./384") = 0 [pid 3605] mkdir("./385", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3991 attached , child_tidptr=0x555556c0f5d0) = 387 [pid 3991] chdir("./385") = 0 [pid 3991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3991] setpgid(0, 0) = 0 [pid 3991] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3991] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3991] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3991] write(3, "1000", 4) = 4 [pid 3991] close(3) = 0 [pid 3991] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3991] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3991] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3991] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3991] openat(3, "freezer.state", O_RDWR) = 4 [pid 3991] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3991] close(3) = 0 [pid 3991] close(4) = 0 [pid 3991] close(5) = -1 EBADF (Bad file descriptor) [pid 3991] close(6) = -1 EBADF (Bad file descriptor) [pid 3991] close(7) = -1 EBADF (Bad file descriptor) [pid 3991] close(8) = -1 EBADF (Bad file descriptor) [pid 3991] close(9) = -1 EBADF (Bad file descriptor) [pid 3991] close(10) = -1 EBADF (Bad file descriptor) [pid 3991] close(11) = -1 EBADF (Bad file descriptor) [pid 3991] close(12) = -1 EBADF (Bad file descriptor) [pid 3991] close(13) = -1 EBADF (Bad file descriptor) [pid 3991] close(14) = -1 EBADF (Bad file descriptor) [pid 3991] close(15) = -1 EBADF (Bad file descriptor) [pid 3991] close(16) = -1 EBADF (Bad file descriptor) [pid 3991] close(17) = -1 EBADF (Bad file descriptor) [pid 3991] close(18) = -1 EBADF (Bad file descriptor) [pid 3991] close(19) = -1 EBADF (Bad file descriptor) [pid 3991] close(20) = -1 EBADF (Bad file descriptor) [pid 3991] close(21) = -1 EBADF (Bad file descriptor) [pid 3991] close(22) = -1 EBADF (Bad file descriptor) [pid 3991] close(23) = -1 EBADF (Bad file descriptor) [pid 3991] close(24) = -1 EBADF (Bad file descriptor) [pid 3991] close(25) = -1 EBADF (Bad file descriptor) [pid 3991] close(26) = -1 EBADF (Bad file descriptor) [pid 3991] close(27) = -1 EBADF (Bad file descriptor) [pid 3991] close(28) = -1 EBADF (Bad file descriptor) [pid 3991] close(29) = -1 EBADF (Bad file descriptor) [pid 3991] exit_group(0) = ? [pid 3991] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./385", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./385", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./385/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./385/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./385/binderfs") = 0 [pid 3605] umount2("./385/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./385/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./385/cgroup") = 0 [pid 3605] umount2("./385/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./385/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./385/cgroup.net") = 0 [pid 3605] umount2("./385/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./385/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./385/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./385") = 0 [pid 3605] mkdir("./386", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 388 ./strace-static-x86_64: Process 3992 attached [pid 3992] chdir("./386") = 0 [pid 3992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3992] setpgid(0, 0) = 0 [pid 3992] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3992] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3992] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3992] write(3, "1000", 4) = 4 [pid 3992] close(3) = 0 [pid 3992] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3992] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3992] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3992] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3992] openat(3, "freezer.state", O_RDWR) = 4 [pid 3992] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3992] close(3) = 0 [pid 3992] close(4) = 0 [pid 3992] close(5) = -1 EBADF (Bad file descriptor) [pid 3992] close(6) = -1 EBADF (Bad file descriptor) [pid 3992] close(7) = -1 EBADF (Bad file descriptor) [pid 3992] close(8) = -1 EBADF (Bad file descriptor) [pid 3992] close(9) = -1 EBADF (Bad file descriptor) [pid 3992] close(10) = -1 EBADF (Bad file descriptor) [pid 3992] close(11) = -1 EBADF (Bad file descriptor) [pid 3992] close(12) = -1 EBADF (Bad file descriptor) [pid 3992] close(13) = -1 EBADF (Bad file descriptor) [pid 3992] close(14) = -1 EBADF (Bad file descriptor) [pid 3992] close(15) = -1 EBADF (Bad file descriptor) [pid 3992] close(16) = -1 EBADF (Bad file descriptor) [pid 3992] close(17) = -1 EBADF (Bad file descriptor) [pid 3992] close(18) = -1 EBADF (Bad file descriptor) [pid 3992] close(19) = -1 EBADF (Bad file descriptor) [pid 3992] close(20) = -1 EBADF (Bad file descriptor) [pid 3992] close(21) = -1 EBADF (Bad file descriptor) [pid 3992] close(22) = -1 EBADF (Bad file descriptor) [pid 3992] close(23) = -1 EBADF (Bad file descriptor) [pid 3992] close(24) = -1 EBADF (Bad file descriptor) [pid 3992] close(25) = -1 EBADF (Bad file descriptor) [pid 3992] close(26) = -1 EBADF (Bad file descriptor) [pid 3992] close(27) = -1 EBADF (Bad file descriptor) [pid 3992] close(28) = -1 EBADF (Bad file descriptor) [pid 3992] close(29) = -1 EBADF (Bad file descriptor) [pid 3992] exit_group(0) = ? [pid 3992] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./386", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./386", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./386/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./386/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./386/binderfs") = 0 [pid 3605] umount2("./386/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./386/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./386/cgroup") = 0 [pid 3605] umount2("./386/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./386/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./386/cgroup.net") = 0 [pid 3605] umount2("./386/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./386/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./386/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./386") = 0 [pid 3605] mkdir("./387", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 389 ./strace-static-x86_64: Process 3993 attached [pid 3993] chdir("./387") = 0 [pid 3993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3993] setpgid(0, 0) = 0 [pid 3993] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3993] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3993] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3993] write(3, "1000", 4) = 4 [pid 3993] close(3) = 0 [pid 3993] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3993] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3993] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3993] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3993] openat(3, "freezer.state", O_RDWR) = 4 [pid 3993] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3993] close(3) = 0 [pid 3993] close(4) = 0 [pid 3993] close(5) = -1 EBADF (Bad file descriptor) [pid 3993] close(6) = -1 EBADF (Bad file descriptor) [pid 3993] close(7) = -1 EBADF (Bad file descriptor) [pid 3993] close(8) = -1 EBADF (Bad file descriptor) [pid 3993] close(9) = -1 EBADF (Bad file descriptor) [pid 3993] close(10) = -1 EBADF (Bad file descriptor) [pid 3993] close(11) = -1 EBADF (Bad file descriptor) [pid 3993] close(12) = -1 EBADF (Bad file descriptor) [pid 3993] close(13) = -1 EBADF (Bad file descriptor) [pid 3993] close(14) = -1 EBADF (Bad file descriptor) [pid 3993] close(15) = -1 EBADF (Bad file descriptor) [pid 3993] close(16) = -1 EBADF (Bad file descriptor) [pid 3993] close(17) = -1 EBADF (Bad file descriptor) [pid 3993] close(18) = -1 EBADF (Bad file descriptor) [pid 3993] close(19) = -1 EBADF (Bad file descriptor) [pid 3993] close(20) = -1 EBADF (Bad file descriptor) [pid 3993] close(21) = -1 EBADF (Bad file descriptor) [pid 3993] close(22) = -1 EBADF (Bad file descriptor) [pid 3993] close(23) = -1 EBADF (Bad file descriptor) [pid 3993] close(24) = -1 EBADF (Bad file descriptor) [pid 3993] close(25) = -1 EBADF (Bad file descriptor) [pid 3993] close(26) = -1 EBADF (Bad file descriptor) [pid 3993] close(27) = -1 EBADF (Bad file descriptor) [pid 3993] close(28) = -1 EBADF (Bad file descriptor) [pid 3993] close(29) = -1 EBADF (Bad file descriptor) [pid 3993] exit_group(0) = ? [pid 3993] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./387", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./387", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./387/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./387/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./387/binderfs") = 0 [pid 3605] umount2("./387/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./387/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./387/cgroup") = 0 [pid 3605] umount2("./387/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./387/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./387/cgroup.net") = 0 [pid 3605] umount2("./387/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./387/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./387/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./387") = 0 [pid 3605] mkdir("./388", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3994 attached , child_tidptr=0x555556c0f5d0) = 390 [pid 3994] chdir("./388") = 0 [pid 3994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3994] setpgid(0, 0) = 0 [pid 3994] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3994] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3994] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3994] write(3, "1000", 4) = 4 [pid 3994] close(3) = 0 [pid 3994] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3994] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3994] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3994] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3994] openat(3, "freezer.state", O_RDWR) = 4 [pid 3994] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3994] close(3) = 0 [pid 3994] close(4) = 0 [pid 3994] close(5) = -1 EBADF (Bad file descriptor) [pid 3994] close(6) = -1 EBADF (Bad file descriptor) [pid 3994] close(7) = -1 EBADF (Bad file descriptor) [pid 3994] close(8) = -1 EBADF (Bad file descriptor) [pid 3994] close(9) = -1 EBADF (Bad file descriptor) [pid 3994] close(10) = -1 EBADF (Bad file descriptor) [pid 3994] close(11) = -1 EBADF (Bad file descriptor) [pid 3994] close(12) = -1 EBADF (Bad file descriptor) [pid 3994] close(13) = -1 EBADF (Bad file descriptor) [pid 3994] close(14) = -1 EBADF (Bad file descriptor) [pid 3994] close(15) = -1 EBADF (Bad file descriptor) [pid 3994] close(16) = -1 EBADF (Bad file descriptor) [pid 3994] close(17) = -1 EBADF (Bad file descriptor) [pid 3994] close(18) = -1 EBADF (Bad file descriptor) [pid 3994] close(19) = -1 EBADF (Bad file descriptor) [pid 3994] close(20) = -1 EBADF (Bad file descriptor) [pid 3994] close(21) = -1 EBADF (Bad file descriptor) [pid 3994] close(22) = -1 EBADF (Bad file descriptor) [pid 3994] close(23) = -1 EBADF (Bad file descriptor) [pid 3994] close(24) = -1 EBADF (Bad file descriptor) [pid 3994] close(25) = -1 EBADF (Bad file descriptor) [pid 3994] close(26) = -1 EBADF (Bad file descriptor) [pid 3994] close(27) = -1 EBADF (Bad file descriptor) [pid 3994] close(28) = -1 EBADF (Bad file descriptor) [pid 3994] close(29) = -1 EBADF (Bad file descriptor) [pid 3994] exit_group(0) = ? [pid 3994] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./388", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./388", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./388/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./388/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./388/binderfs") = 0 [pid 3605] umount2("./388/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./388/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./388/cgroup") = 0 [pid 3605] umount2("./388/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./388/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./388/cgroup.net") = 0 [pid 3605] umount2("./388/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./388/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./388/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./388") = 0 [pid 3605] mkdir("./389", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 391 ./strace-static-x86_64: Process 3995 attached [pid 3995] chdir("./389") = 0 [pid 3995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3995] setpgid(0, 0) = 0 [pid 3995] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3995] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3995] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3995] write(3, "1000", 4) = 4 [pid 3995] close(3) = 0 [pid 3995] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3995] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3995] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3995] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3995] openat(3, "freezer.state", O_RDWR) = 4 [pid 3995] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3995] close(3) = 0 [pid 3995] close(4) = 0 [pid 3995] close(5) = -1 EBADF (Bad file descriptor) [pid 3995] close(6) = -1 EBADF (Bad file descriptor) [pid 3995] close(7) = -1 EBADF (Bad file descriptor) [pid 3995] close(8) = -1 EBADF (Bad file descriptor) [pid 3995] close(9) = -1 EBADF (Bad file descriptor) [pid 3995] close(10) = -1 EBADF (Bad file descriptor) [pid 3995] close(11) = -1 EBADF (Bad file descriptor) [pid 3995] close(12) = -1 EBADF (Bad file descriptor) [pid 3995] close(13) = -1 EBADF (Bad file descriptor) [pid 3995] close(14) = -1 EBADF (Bad file descriptor) [pid 3995] close(15) = -1 EBADF (Bad file descriptor) [pid 3995] close(16) = -1 EBADF (Bad file descriptor) [pid 3995] close(17) = -1 EBADF (Bad file descriptor) [pid 3995] close(18) = -1 EBADF (Bad file descriptor) [pid 3995] close(19) = -1 EBADF (Bad file descriptor) [pid 3995] close(20) = -1 EBADF (Bad file descriptor) [pid 3995] close(21) = -1 EBADF (Bad file descriptor) [pid 3995] close(22) = -1 EBADF (Bad file descriptor) [pid 3995] close(23) = -1 EBADF (Bad file descriptor) [pid 3995] close(24) = -1 EBADF (Bad file descriptor) [pid 3995] close(25) = -1 EBADF (Bad file descriptor) [pid 3995] close(26) = -1 EBADF (Bad file descriptor) [pid 3995] close(27) = -1 EBADF (Bad file descriptor) [pid 3995] close(28) = -1 EBADF (Bad file descriptor) [pid 3995] close(29) = -1 EBADF (Bad file descriptor) [pid 3995] exit_group(0) = ? [pid 3995] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./389", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./389", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./389/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./389/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./389/binderfs") = 0 [pid 3605] umount2("./389/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./389/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./389/cgroup") = 0 [pid 3605] umount2("./389/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./389/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./389/cgroup.net") = 0 [pid 3605] umount2("./389/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./389/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./389/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./389") = 0 [pid 3605] mkdir("./390", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 392 ./strace-static-x86_64: Process 3996 attached [pid 3996] chdir("./390") = 0 [pid 3996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3996] setpgid(0, 0) = 0 [pid 3996] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3996] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3996] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3996] write(3, "1000", 4) = 4 [pid 3996] close(3) = 0 [pid 3996] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3996] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3996] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3996] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3996] openat(3, "freezer.state", O_RDWR) = 4 [pid 3996] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3996] close(3) = 0 [pid 3996] close(4) = 0 [pid 3996] close(5) = -1 EBADF (Bad file descriptor) [pid 3996] close(6) = -1 EBADF (Bad file descriptor) [pid 3996] close(7) = -1 EBADF (Bad file descriptor) [pid 3996] close(8) = -1 EBADF (Bad file descriptor) [pid 3996] close(9) = -1 EBADF (Bad file descriptor) [pid 3996] close(10) = -1 EBADF (Bad file descriptor) [pid 3996] close(11) = -1 EBADF (Bad file descriptor) [pid 3996] close(12) = -1 EBADF (Bad file descriptor) [pid 3996] close(13) = -1 EBADF (Bad file descriptor) [pid 3996] close(14) = -1 EBADF (Bad file descriptor) [pid 3996] close(15) = -1 EBADF (Bad file descriptor) [pid 3996] close(16) = -1 EBADF (Bad file descriptor) [pid 3996] close(17) = -1 EBADF (Bad file descriptor) [pid 3996] close(18) = -1 EBADF (Bad file descriptor) [pid 3996] close(19) = -1 EBADF (Bad file descriptor) [pid 3996] close(20) = -1 EBADF (Bad file descriptor) [pid 3996] close(21) = -1 EBADF (Bad file descriptor) [pid 3996] close(22) = -1 EBADF (Bad file descriptor) [pid 3996] close(23) = -1 EBADF (Bad file descriptor) [pid 3996] close(24) = -1 EBADF (Bad file descriptor) [pid 3996] close(25) = -1 EBADF (Bad file descriptor) [pid 3996] close(26) = -1 EBADF (Bad file descriptor) [pid 3996] close(27) = -1 EBADF (Bad file descriptor) [pid 3996] close(28) = -1 EBADF (Bad file descriptor) [pid 3996] close(29) = -1 EBADF (Bad file descriptor) [pid 3996] exit_group(0) = ? [pid 3996] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./390", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./390", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./390/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./390/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./390/binderfs") = 0 [pid 3605] umount2("./390/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./390/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./390/cgroup") = 0 [pid 3605] umount2("./390/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./390/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./390/cgroup.net") = 0 [pid 3605] umount2("./390/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./390/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./390/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./390") = 0 [pid 3605] mkdir("./391", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 393 ./strace-static-x86_64: Process 3997 attached [pid 3997] chdir("./391") = 0 [pid 3997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3997] setpgid(0, 0) = 0 [pid 3997] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3997] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3997] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3997] write(3, "1000", 4) = 4 [pid 3997] close(3) = 0 [pid 3997] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3997] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3997] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3997] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3997] openat(3, "freezer.state", O_RDWR) = 4 [pid 3997] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3997] close(3) = 0 [pid 3997] close(4) = 0 [pid 3997] close(5) = -1 EBADF (Bad file descriptor) [pid 3997] close(6) = -1 EBADF (Bad file descriptor) [pid 3997] close(7) = -1 EBADF (Bad file descriptor) [pid 3997] close(8) = -1 EBADF (Bad file descriptor) [pid 3997] close(9) = -1 EBADF (Bad file descriptor) [pid 3997] close(10) = -1 EBADF (Bad file descriptor) [pid 3997] close(11) = -1 EBADF (Bad file descriptor) [pid 3997] close(12) = -1 EBADF (Bad file descriptor) [pid 3997] close(13) = -1 EBADF (Bad file descriptor) [pid 3997] close(14) = -1 EBADF (Bad file descriptor) [pid 3997] close(15) = -1 EBADF (Bad file descriptor) [pid 3997] close(16) = -1 EBADF (Bad file descriptor) [pid 3997] close(17) = -1 EBADF (Bad file descriptor) [pid 3997] close(18) = -1 EBADF (Bad file descriptor) [pid 3997] close(19) = -1 EBADF (Bad file descriptor) [pid 3997] close(20) = -1 EBADF (Bad file descriptor) [pid 3997] close(21) = -1 EBADF (Bad file descriptor) [pid 3997] close(22) = -1 EBADF (Bad file descriptor) [pid 3997] close(23) = -1 EBADF (Bad file descriptor) [pid 3997] close(24) = -1 EBADF (Bad file descriptor) [pid 3997] close(25) = -1 EBADF (Bad file descriptor) [pid 3997] close(26) = -1 EBADF (Bad file descriptor) [pid 3997] close(27) = -1 EBADF (Bad file descriptor) [pid 3997] close(28) = -1 EBADF (Bad file descriptor) [pid 3997] close(29) = -1 EBADF (Bad file descriptor) [pid 3997] exit_group(0) = ? [pid 3997] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./391", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./391", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./391/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./391/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./391/binderfs") = 0 [pid 3605] umount2("./391/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./391/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./391/cgroup") = 0 [pid 3605] umount2("./391/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./391/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./391/cgroup.net") = 0 [pid 3605] umount2("./391/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./391/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./391/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./391") = 0 [pid 3605] mkdir("./392", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 394 ./strace-static-x86_64: Process 3998 attached [pid 3998] chdir("./392") = 0 [pid 3998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3998] setpgid(0, 0) = 0 [pid 3998] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3998] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3998] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3998] write(3, "1000", 4) = 4 [pid 3998] close(3) = 0 [pid 3998] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3998] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3998] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3998] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3998] openat(3, "freezer.state", O_RDWR) = 4 [pid 3998] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3998] close(3) = 0 [pid 3998] close(4) = 0 [pid 3998] close(5) = -1 EBADF (Bad file descriptor) [pid 3998] close(6) = -1 EBADF (Bad file descriptor) [pid 3998] close(7) = -1 EBADF (Bad file descriptor) [pid 3998] close(8) = -1 EBADF (Bad file descriptor) [pid 3998] close(9) = -1 EBADF (Bad file descriptor) [pid 3998] close(10) = -1 EBADF (Bad file descriptor) [pid 3998] close(11) = -1 EBADF (Bad file descriptor) [pid 3998] close(12) = -1 EBADF (Bad file descriptor) [pid 3998] close(13) = -1 EBADF (Bad file descriptor) [pid 3998] close(14) = -1 EBADF (Bad file descriptor) [pid 3998] close(15) = -1 EBADF (Bad file descriptor) [pid 3998] close(16) = -1 EBADF (Bad file descriptor) [pid 3998] close(17) = -1 EBADF (Bad file descriptor) [pid 3998] close(18) = -1 EBADF (Bad file descriptor) [pid 3998] close(19) = -1 EBADF (Bad file descriptor) [pid 3998] close(20) = -1 EBADF (Bad file descriptor) [pid 3998] close(21) = -1 EBADF (Bad file descriptor) [pid 3998] close(22) = -1 EBADF (Bad file descriptor) [pid 3998] close(23) = -1 EBADF (Bad file descriptor) [pid 3998] close(24) = -1 EBADF (Bad file descriptor) [pid 3998] close(25) = -1 EBADF (Bad file descriptor) [pid 3998] close(26) = -1 EBADF (Bad file descriptor) [pid 3998] close(27) = -1 EBADF (Bad file descriptor) [pid 3998] close(28) = -1 EBADF (Bad file descriptor) [pid 3998] close(29) = -1 EBADF (Bad file descriptor) [pid 3998] exit_group(0) = ? [pid 3998] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./392", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./392", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./392/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./392/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./392/binderfs") = 0 [pid 3605] umount2("./392/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./392/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./392/cgroup") = 0 [pid 3605] umount2("./392/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./392/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./392/cgroup.net") = 0 [pid 3605] umount2("./392/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./392/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./392/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./392") = 0 [pid 3605] mkdir("./393", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3999 attached , child_tidptr=0x555556c0f5d0) = 395 [pid 3999] chdir("./393") = 0 [pid 3999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3999] setpgid(0, 0) = 0 [pid 3999] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3999] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3999] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3999] write(3, "1000", 4) = 4 [pid 3999] close(3) = 0 [pid 3999] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3999] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3999] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 3999] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 3999] openat(3, "freezer.state", O_RDWR) = 4 [pid 3999] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 3999] close(3) = 0 [pid 3999] close(4) = 0 [pid 3999] close(5) = -1 EBADF (Bad file descriptor) [pid 3999] close(6) = -1 EBADF (Bad file descriptor) [pid 3999] close(7) = -1 EBADF (Bad file descriptor) [pid 3999] close(8) = -1 EBADF (Bad file descriptor) [pid 3999] close(9) = -1 EBADF (Bad file descriptor) [pid 3999] close(10) = -1 EBADF (Bad file descriptor) [pid 3999] close(11) = -1 EBADF (Bad file descriptor) [pid 3999] close(12) = -1 EBADF (Bad file descriptor) [pid 3999] close(13) = -1 EBADF (Bad file descriptor) [pid 3999] close(14) = -1 EBADF (Bad file descriptor) [pid 3999] close(15) = -1 EBADF (Bad file descriptor) [pid 3999] close(16) = -1 EBADF (Bad file descriptor) [pid 3999] close(17) = -1 EBADF (Bad file descriptor) [pid 3999] close(18) = -1 EBADF (Bad file descriptor) [pid 3999] close(19) = -1 EBADF (Bad file descriptor) [pid 3999] close(20) = -1 EBADF (Bad file descriptor) [pid 3999] close(21) = -1 EBADF (Bad file descriptor) [pid 3999] close(22) = -1 EBADF (Bad file descriptor) [pid 3999] close(23) = -1 EBADF (Bad file descriptor) [pid 3999] close(24) = -1 EBADF (Bad file descriptor) [pid 3999] close(25) = -1 EBADF (Bad file descriptor) [pid 3999] close(26) = -1 EBADF (Bad file descriptor) [pid 3999] close(27) = -1 EBADF (Bad file descriptor) [pid 3999] close(28) = -1 EBADF (Bad file descriptor) [pid 3999] close(29) = -1 EBADF (Bad file descriptor) [pid 3999] exit_group(0) = ? [pid 3999] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./393", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./393", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./393/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./393/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./393/binderfs") = 0 [pid 3605] umount2("./393/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./393/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./393/cgroup") = 0 [pid 3605] umount2("./393/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./393/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./393/cgroup.net") = 0 [pid 3605] umount2("./393/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./393/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./393/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./393") = 0 [pid 3605] mkdir("./394", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4000 attached , child_tidptr=0x555556c0f5d0) = 396 [pid 4000] chdir("./394") = 0 [pid 4000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4000] setpgid(0, 0) = 0 [pid 4000] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4000] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4000] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4000] write(3, "1000", 4) = 4 [pid 4000] close(3) = 0 [pid 4000] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4000] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4000] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4000] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4000] openat(3, "freezer.state", O_RDWR) = 4 [pid 4000] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4000] close(3) = 0 [pid 4000] close(4) = 0 [pid 4000] close(5) = -1 EBADF (Bad file descriptor) [pid 4000] close(6) = -1 EBADF (Bad file descriptor) [pid 4000] close(7) = -1 EBADF (Bad file descriptor) [pid 4000] close(8) = -1 EBADF (Bad file descriptor) [pid 4000] close(9) = -1 EBADF (Bad file descriptor) [pid 4000] close(10) = -1 EBADF (Bad file descriptor) [pid 4000] close(11) = -1 EBADF (Bad file descriptor) [pid 4000] close(12) = -1 EBADF (Bad file descriptor) [pid 4000] close(13) = -1 EBADF (Bad file descriptor) [pid 4000] close(14) = -1 EBADF (Bad file descriptor) [pid 4000] close(15) = -1 EBADF (Bad file descriptor) [pid 4000] close(16) = -1 EBADF (Bad file descriptor) [pid 4000] close(17) = -1 EBADF (Bad file descriptor) [pid 4000] close(18) = -1 EBADF (Bad file descriptor) [pid 4000] close(19) = -1 EBADF (Bad file descriptor) [pid 4000] close(20) = -1 EBADF (Bad file descriptor) [pid 4000] close(21) = -1 EBADF (Bad file descriptor) [pid 4000] close(22) = -1 EBADF (Bad file descriptor) [pid 4000] close(23) = -1 EBADF (Bad file descriptor) [pid 4000] close(24) = -1 EBADF (Bad file descriptor) [pid 4000] close(25) = -1 EBADF (Bad file descriptor) [pid 4000] close(26) = -1 EBADF (Bad file descriptor) [pid 4000] close(27) = -1 EBADF (Bad file descriptor) [pid 4000] close(28) = -1 EBADF (Bad file descriptor) [pid 4000] close(29) = -1 EBADF (Bad file descriptor) [pid 4000] exit_group(0) = ? [pid 4000] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=396, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./394", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./394", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./394/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./394/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./394/binderfs") = 0 [pid 3605] umount2("./394/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./394/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./394/cgroup") = 0 [pid 3605] umount2("./394/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./394/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./394/cgroup.net") = 0 [pid 3605] umount2("./394/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./394/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./394/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./394") = 0 [pid 3605] mkdir("./395", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4001 attached , child_tidptr=0x555556c0f5d0) = 397 [pid 4001] chdir("./395") = 0 [pid 4001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4001] setpgid(0, 0) = 0 [pid 4001] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4001] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4001] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4001] write(3, "1000", 4) = 4 [pid 4001] close(3) = 0 [pid 4001] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4001] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4001] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4001] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4001] openat(3, "freezer.state", O_RDWR) = 4 [pid 4001] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4001] close(3) = 0 [pid 4001] close(4) = 0 [pid 4001] close(5) = -1 EBADF (Bad file descriptor) [pid 4001] close(6) = -1 EBADF (Bad file descriptor) [pid 4001] close(7) = -1 EBADF (Bad file descriptor) [pid 4001] close(8) = -1 EBADF (Bad file descriptor) [pid 4001] close(9) = -1 EBADF (Bad file descriptor) [pid 4001] close(10) = -1 EBADF (Bad file descriptor) [pid 4001] close(11) = -1 EBADF (Bad file descriptor) [pid 4001] close(12) = -1 EBADF (Bad file descriptor) [pid 4001] close(13) = -1 EBADF (Bad file descriptor) [pid 4001] close(14) = -1 EBADF (Bad file descriptor) [pid 4001] close(15) = -1 EBADF (Bad file descriptor) [pid 4001] close(16) = -1 EBADF (Bad file descriptor) [pid 4001] close(17) = -1 EBADF (Bad file descriptor) [pid 4001] close(18) = -1 EBADF (Bad file descriptor) [pid 4001] close(19) = -1 EBADF (Bad file descriptor) [pid 4001] close(20) = -1 EBADF (Bad file descriptor) [pid 4001] close(21) = -1 EBADF (Bad file descriptor) [pid 4001] close(22) = -1 EBADF (Bad file descriptor) [pid 4001] close(23) = -1 EBADF (Bad file descriptor) [pid 4001] close(24) = -1 EBADF (Bad file descriptor) [pid 4001] close(25) = -1 EBADF (Bad file descriptor) [pid 4001] close(26) = -1 EBADF (Bad file descriptor) [pid 4001] close(27) = -1 EBADF (Bad file descriptor) [pid 4001] close(28) = -1 EBADF (Bad file descriptor) [pid 4001] close(29) = -1 EBADF (Bad file descriptor) [pid 4001] exit_group(0) = ? [pid 4001] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./395", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./395", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./395/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./395/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./395/binderfs") = 0 [pid 3605] umount2("./395/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./395/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./395/cgroup") = 0 [pid 3605] umount2("./395/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./395/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./395/cgroup.net") = 0 [pid 3605] umount2("./395/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./395/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./395/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./395") = 0 [pid 3605] mkdir("./396", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 398 ./strace-static-x86_64: Process 4002 attached [pid 4002] chdir("./396") = 0 [pid 4002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4002] setpgid(0, 0) = 0 [pid 4002] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4002] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4002] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4002] write(3, "1000", 4) = 4 [pid 4002] close(3) = 0 [pid 4002] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4002] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4002] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4002] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4002] openat(3, "freezer.state", O_RDWR) = 4 [pid 4002] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4002] close(3) = 0 [pid 4002] close(4) = 0 [pid 4002] close(5) = -1 EBADF (Bad file descriptor) [pid 4002] close(6) = -1 EBADF (Bad file descriptor) [pid 4002] close(7) = -1 EBADF (Bad file descriptor) [pid 4002] close(8) = -1 EBADF (Bad file descriptor) [pid 4002] close(9) = -1 EBADF (Bad file descriptor) [pid 4002] close(10) = -1 EBADF (Bad file descriptor) [pid 4002] close(11) = -1 EBADF (Bad file descriptor) [pid 4002] close(12) = -1 EBADF (Bad file descriptor) [pid 4002] close(13) = -1 EBADF (Bad file descriptor) [pid 4002] close(14) = -1 EBADF (Bad file descriptor) [pid 4002] close(15) = -1 EBADF (Bad file descriptor) [pid 4002] close(16) = -1 EBADF (Bad file descriptor) [pid 4002] close(17) = -1 EBADF (Bad file descriptor) [pid 4002] close(18) = -1 EBADF (Bad file descriptor) [pid 4002] close(19) = -1 EBADF (Bad file descriptor) [pid 4002] close(20) = -1 EBADF (Bad file descriptor) [pid 4002] close(21) = -1 EBADF (Bad file descriptor) [pid 4002] close(22) = -1 EBADF (Bad file descriptor) [pid 4002] close(23) = -1 EBADF (Bad file descriptor) [pid 4002] close(24) = -1 EBADF (Bad file descriptor) [pid 4002] close(25) = -1 EBADF (Bad file descriptor) [pid 4002] close(26) = -1 EBADF (Bad file descriptor) [pid 4002] close(27) = -1 EBADF (Bad file descriptor) [pid 4002] close(28) = -1 EBADF (Bad file descriptor) [pid 4002] close(29) = -1 EBADF (Bad file descriptor) [pid 4002] exit_group(0) = ? [pid 4002] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./396", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./396", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./396/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./396/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./396/binderfs") = 0 [pid 3605] umount2("./396/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./396/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./396/cgroup") = 0 [pid 3605] umount2("./396/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./396/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./396/cgroup.net") = 0 [pid 3605] umount2("./396/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./396/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./396/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./396") = 0 [pid 3605] mkdir("./397", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 399 ./strace-static-x86_64: Process 4003 attached [pid 4003] chdir("./397") = 0 [pid 4003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4003] setpgid(0, 0) = 0 [pid 4003] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4003] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4003] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4003] write(3, "1000", 4) = 4 [pid 4003] close(3) = 0 [pid 4003] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4003] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4003] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4003] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4003] openat(3, "freezer.state", O_RDWR) = 4 [pid 4003] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4003] close(3) = 0 [pid 4003] close(4) = 0 [pid 4003] close(5) = -1 EBADF (Bad file descriptor) [pid 4003] close(6) = -1 EBADF (Bad file descriptor) [pid 4003] close(7) = -1 EBADF (Bad file descriptor) [pid 4003] close(8) = -1 EBADF (Bad file descriptor) [pid 4003] close(9) = -1 EBADF (Bad file descriptor) [pid 4003] close(10) = -1 EBADF (Bad file descriptor) [pid 4003] close(11) = -1 EBADF (Bad file descriptor) [pid 4003] close(12) = -1 EBADF (Bad file descriptor) [pid 4003] close(13) = -1 EBADF (Bad file descriptor) [pid 4003] close(14) = -1 EBADF (Bad file descriptor) [pid 4003] close(15) = -1 EBADF (Bad file descriptor) [pid 4003] close(16) = -1 EBADF (Bad file descriptor) [pid 4003] close(17) = -1 EBADF (Bad file descriptor) [pid 4003] close(18) = -1 EBADF (Bad file descriptor) [pid 4003] close(19) = -1 EBADF (Bad file descriptor) [pid 4003] close(20) = -1 EBADF (Bad file descriptor) [pid 4003] close(21) = -1 EBADF (Bad file descriptor) [pid 4003] close(22) = -1 EBADF (Bad file descriptor) [pid 4003] close(23) = -1 EBADF (Bad file descriptor) [pid 4003] close(24) = -1 EBADF (Bad file descriptor) [pid 4003] close(25) = -1 EBADF (Bad file descriptor) [pid 4003] close(26) = -1 EBADF (Bad file descriptor) [pid 4003] close(27) = -1 EBADF (Bad file descriptor) [pid 4003] close(28) = -1 EBADF (Bad file descriptor) [pid 4003] close(29) = -1 EBADF (Bad file descriptor) [pid 4003] exit_group(0) = ? [pid 4003] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./397", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./397", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./397/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./397/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./397/binderfs") = 0 [pid 3605] umount2("./397/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./397/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./397/cgroup") = 0 [pid 3605] umount2("./397/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./397/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./397/cgroup.net") = 0 [pid 3605] umount2("./397/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./397/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./397/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./397") = 0 [pid 3605] mkdir("./398", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4004 attached , child_tidptr=0x555556c0f5d0) = 400 [pid 4004] chdir("./398") = 0 [pid 4004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4004] setpgid(0, 0) = 0 [pid 4004] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4004] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4004] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4004] write(3, "1000", 4) = 4 [pid 4004] close(3) = 0 [pid 4004] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4004] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4004] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4004] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4004] openat(3, "freezer.state", O_RDWR) = 4 [pid 4004] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4004] close(3) = 0 [pid 4004] close(4) = 0 [pid 4004] close(5) = -1 EBADF (Bad file descriptor) [pid 4004] close(6) = -1 EBADF (Bad file descriptor) [pid 4004] close(7) = -1 EBADF (Bad file descriptor) [pid 4004] close(8) = -1 EBADF (Bad file descriptor) [pid 4004] close(9) = -1 EBADF (Bad file descriptor) [pid 4004] close(10) = -1 EBADF (Bad file descriptor) [pid 4004] close(11) = -1 EBADF (Bad file descriptor) [pid 4004] close(12) = -1 EBADF (Bad file descriptor) [pid 4004] close(13) = -1 EBADF (Bad file descriptor) [pid 4004] close(14) = -1 EBADF (Bad file descriptor) [pid 4004] close(15) = -1 EBADF (Bad file descriptor) [pid 4004] close(16) = -1 EBADF (Bad file descriptor) [pid 4004] close(17) = -1 EBADF (Bad file descriptor) [pid 4004] close(18) = -1 EBADF (Bad file descriptor) [pid 4004] close(19) = -1 EBADF (Bad file descriptor) [pid 4004] close(20) = -1 EBADF (Bad file descriptor) [pid 4004] close(21) = -1 EBADF (Bad file descriptor) [pid 4004] close(22) = -1 EBADF (Bad file descriptor) [pid 4004] close(23) = -1 EBADF (Bad file descriptor) [pid 4004] close(24) = -1 EBADF (Bad file descriptor) [pid 4004] close(25) = -1 EBADF (Bad file descriptor) [pid 4004] close(26) = -1 EBADF (Bad file descriptor) [pid 4004] close(27) = -1 EBADF (Bad file descriptor) [pid 4004] close(28) = -1 EBADF (Bad file descriptor) [pid 4004] close(29) = -1 EBADF (Bad file descriptor) [pid 4004] exit_group(0) = ? [pid 4004] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./398", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./398", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./398/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./398/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./398/binderfs") = 0 [pid 3605] umount2("./398/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./398/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./398/cgroup") = 0 [pid 3605] umount2("./398/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./398/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./398/cgroup.net") = 0 [pid 3605] umount2("./398/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./398/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./398/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./398") = 0 [pid 3605] mkdir("./399", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4005 attached , child_tidptr=0x555556c0f5d0) = 401 [pid 4005] chdir("./399") = 0 [pid 4005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4005] setpgid(0, 0) = 0 [pid 4005] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4005] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4005] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4005] write(3, "1000", 4) = 4 [pid 4005] close(3) = 0 [pid 4005] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4005] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4005] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4005] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4005] openat(3, "freezer.state", O_RDWR) = 4 [pid 4005] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4005] close(3) = 0 [pid 4005] close(4) = 0 [pid 4005] close(5) = -1 EBADF (Bad file descriptor) [pid 4005] close(6) = -1 EBADF (Bad file descriptor) [pid 4005] close(7) = -1 EBADF (Bad file descriptor) [pid 4005] close(8) = -1 EBADF (Bad file descriptor) [pid 4005] close(9) = -1 EBADF (Bad file descriptor) [pid 4005] close(10) = -1 EBADF (Bad file descriptor) [pid 4005] close(11) = -1 EBADF (Bad file descriptor) [pid 4005] close(12) = -1 EBADF (Bad file descriptor) [pid 4005] close(13) = -1 EBADF (Bad file descriptor) [pid 4005] close(14) = -1 EBADF (Bad file descriptor) [pid 4005] close(15) = -1 EBADF (Bad file descriptor) [pid 4005] close(16) = -1 EBADF (Bad file descriptor) [pid 4005] close(17) = -1 EBADF (Bad file descriptor) [pid 4005] close(18) = -1 EBADF (Bad file descriptor) [pid 4005] close(19) = -1 EBADF (Bad file descriptor) [pid 4005] close(20) = -1 EBADF (Bad file descriptor) [pid 4005] close(21) = -1 EBADF (Bad file descriptor) [pid 4005] close(22) = -1 EBADF (Bad file descriptor) [pid 4005] close(23) = -1 EBADF (Bad file descriptor) [pid 4005] close(24) = -1 EBADF (Bad file descriptor) [pid 4005] close(25) = -1 EBADF (Bad file descriptor) [pid 4005] close(26) = -1 EBADF (Bad file descriptor) [pid 4005] close(27) = -1 EBADF (Bad file descriptor) [pid 4005] close(28) = -1 EBADF (Bad file descriptor) [pid 4005] close(29) = -1 EBADF (Bad file descriptor) [pid 4005] exit_group(0) = ? [pid 4005] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./399", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./399", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./399/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./399/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./399/binderfs") = 0 [pid 3605] umount2("./399/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./399/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./399/cgroup") = 0 [pid 3605] umount2("./399/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./399/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./399/cgroup.net") = 0 [pid 3605] umount2("./399/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./399/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./399/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./399") = 0 [pid 3605] mkdir("./400", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 402 ./strace-static-x86_64: Process 4006 attached [pid 4006] chdir("./400") = 0 [pid 4006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4006] setpgid(0, 0) = 0 [pid 4006] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4006] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4006] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4006] write(3, "1000", 4) = 4 [pid 4006] close(3) = 0 [pid 4006] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4006] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4006] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4006] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4006] openat(3, "freezer.state", O_RDWR) = 4 [pid 4006] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4006] close(3) = 0 [pid 4006] close(4) = 0 [pid 4006] close(5) = -1 EBADF (Bad file descriptor) [pid 4006] close(6) = -1 EBADF (Bad file descriptor) [pid 4006] close(7) = -1 EBADF (Bad file descriptor) [pid 4006] close(8) = -1 EBADF (Bad file descriptor) [pid 4006] close(9) = -1 EBADF (Bad file descriptor) [pid 4006] close(10) = -1 EBADF (Bad file descriptor) [pid 4006] close(11) = -1 EBADF (Bad file descriptor) [pid 4006] close(12) = -1 EBADF (Bad file descriptor) [pid 4006] close(13) = -1 EBADF (Bad file descriptor) [pid 4006] close(14) = -1 EBADF (Bad file descriptor) [pid 4006] close(15) = -1 EBADF (Bad file descriptor) [pid 4006] close(16) = -1 EBADF (Bad file descriptor) [pid 4006] close(17) = -1 EBADF (Bad file descriptor) [pid 4006] close(18) = -1 EBADF (Bad file descriptor) [pid 4006] close(19) = -1 EBADF (Bad file descriptor) [pid 4006] close(20) = -1 EBADF (Bad file descriptor) [pid 4006] close(21) = -1 EBADF (Bad file descriptor) [pid 4006] close(22) = -1 EBADF (Bad file descriptor) [pid 4006] close(23) = -1 EBADF (Bad file descriptor) [pid 4006] close(24) = -1 EBADF (Bad file descriptor) [pid 4006] close(25) = -1 EBADF (Bad file descriptor) [pid 4006] close(26) = -1 EBADF (Bad file descriptor) [pid 4006] close(27) = -1 EBADF (Bad file descriptor) [pid 4006] close(28) = -1 EBADF (Bad file descriptor) [pid 4006] close(29) = -1 EBADF (Bad file descriptor) [pid 4006] exit_group(0) = ? [pid 4006] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./400", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./400", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./400/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./400/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./400/binderfs") = 0 [pid 3605] umount2("./400/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./400/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./400/cgroup") = 0 [pid 3605] umount2("./400/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./400/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./400/cgroup.net") = 0 [pid 3605] umount2("./400/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./400/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./400/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./400") = 0 [pid 3605] mkdir("./401", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 403 ./strace-static-x86_64: Process 4007 attached [pid 4007] chdir("./401") = 0 [pid 4007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4007] setpgid(0, 0) = 0 [pid 4007] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4007] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4007] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4007] write(3, "1000", 4) = 4 [pid 4007] close(3) = 0 [pid 4007] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4007] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4007] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4007] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4007] openat(3, "freezer.state", O_RDWR) = 4 [pid 4007] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4007] close(3) = 0 [pid 4007] close(4) = 0 [pid 4007] close(5) = -1 EBADF (Bad file descriptor) [pid 4007] close(6) = -1 EBADF (Bad file descriptor) [pid 4007] close(7) = -1 EBADF (Bad file descriptor) [pid 4007] close(8) = -1 EBADF (Bad file descriptor) [pid 4007] close(9) = -1 EBADF (Bad file descriptor) [pid 4007] close(10) = -1 EBADF (Bad file descriptor) [pid 4007] close(11) = -1 EBADF (Bad file descriptor) [pid 4007] close(12) = -1 EBADF (Bad file descriptor) [pid 4007] close(13) = -1 EBADF (Bad file descriptor) [pid 4007] close(14) = -1 EBADF (Bad file descriptor) [pid 4007] close(15) = -1 EBADF (Bad file descriptor) [pid 4007] close(16) = -1 EBADF (Bad file descriptor) [pid 4007] close(17) = -1 EBADF (Bad file descriptor) [pid 4007] close(18) = -1 EBADF (Bad file descriptor) [pid 4007] close(19) = -1 EBADF (Bad file descriptor) [pid 4007] close(20) = -1 EBADF (Bad file descriptor) [pid 4007] close(21) = -1 EBADF (Bad file descriptor) [pid 4007] close(22) = -1 EBADF (Bad file descriptor) [pid 4007] close(23) = -1 EBADF (Bad file descriptor) [pid 4007] close(24) = -1 EBADF (Bad file descriptor) [pid 4007] close(25) = -1 EBADF (Bad file descriptor) [pid 4007] close(26) = -1 EBADF (Bad file descriptor) [pid 4007] close(27) = -1 EBADF (Bad file descriptor) [pid 4007] close(28) = -1 EBADF (Bad file descriptor) [pid 4007] close(29) = -1 EBADF (Bad file descriptor) [pid 4007] exit_group(0) = ? [pid 4007] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./401", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./401", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./401/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./401/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./401/binderfs") = 0 [pid 3605] umount2("./401/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./401/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./401/cgroup") = 0 [pid 3605] umount2("./401/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./401/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./401/cgroup.net") = 0 [pid 3605] umount2("./401/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./401/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./401/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./401") = 0 [pid 3605] mkdir("./402", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4008 attached , child_tidptr=0x555556c0f5d0) = 404 [pid 4008] chdir("./402") = 0 [pid 4008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4008] setpgid(0, 0) = 0 [pid 4008] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4008] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4008] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4008] write(3, "1000", 4) = 4 [pid 4008] close(3) = 0 [pid 4008] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4008] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4008] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4008] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4008] openat(3, "freezer.state", O_RDWR) = 4 [pid 4008] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4008] close(3) = 0 [pid 4008] close(4) = 0 [pid 4008] close(5) = -1 EBADF (Bad file descriptor) [pid 4008] close(6) = -1 EBADF (Bad file descriptor) [pid 4008] close(7) = -1 EBADF (Bad file descriptor) [pid 4008] close(8) = -1 EBADF (Bad file descriptor) [pid 4008] close(9) = -1 EBADF (Bad file descriptor) [pid 4008] close(10) = -1 EBADF (Bad file descriptor) [pid 4008] close(11) = -1 EBADF (Bad file descriptor) [pid 4008] close(12) = -1 EBADF (Bad file descriptor) [pid 4008] close(13) = -1 EBADF (Bad file descriptor) [pid 4008] close(14) = -1 EBADF (Bad file descriptor) [pid 4008] close(15) = -1 EBADF (Bad file descriptor) [pid 4008] close(16) = -1 EBADF (Bad file descriptor) [pid 4008] close(17) = -1 EBADF (Bad file descriptor) [pid 4008] close(18) = -1 EBADF (Bad file descriptor) [pid 4008] close(19) = -1 EBADF (Bad file descriptor) [pid 4008] close(20) = -1 EBADF (Bad file descriptor) [pid 4008] close(21) = -1 EBADF (Bad file descriptor) [pid 4008] close(22) = -1 EBADF (Bad file descriptor) [pid 4008] close(23) = -1 EBADF (Bad file descriptor) [pid 4008] close(24) = -1 EBADF (Bad file descriptor) [pid 4008] close(25) = -1 EBADF (Bad file descriptor) [pid 4008] close(26) = -1 EBADF (Bad file descriptor) [pid 4008] close(27) = -1 EBADF (Bad file descriptor) [pid 4008] close(28) = -1 EBADF (Bad file descriptor) [pid 4008] close(29) = -1 EBADF (Bad file descriptor) [pid 4008] exit_group(0) = ? [pid 4008] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./402", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./402", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./402/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./402/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./402/binderfs") = 0 [pid 3605] umount2("./402/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./402/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./402/cgroup") = 0 [pid 3605] umount2("./402/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./402/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./402/cgroup.net") = 0 [pid 3605] umount2("./402/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./402/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./402/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./402") = 0 [pid 3605] mkdir("./403", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4009 attached , child_tidptr=0x555556c0f5d0) = 405 [pid 4009] chdir("./403") = 0 [pid 4009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4009] setpgid(0, 0) = 0 [pid 4009] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4009] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4009] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4009] write(3, "1000", 4) = 4 [pid 4009] close(3) = 0 [pid 4009] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4009] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4009] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4009] openat(3, "freezer.state", O_RDWR) = 4 [pid 4009] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4009] close(3) = 0 [pid 4009] close(4) = 0 [pid 4009] close(5) = -1 EBADF (Bad file descriptor) [pid 4009] close(6) = -1 EBADF (Bad file descriptor) [pid 4009] close(7) = -1 EBADF (Bad file descriptor) [pid 4009] close(8) = -1 EBADF (Bad file descriptor) [pid 4009] close(9) = -1 EBADF (Bad file descriptor) [pid 4009] close(10) = -1 EBADF (Bad file descriptor) [pid 4009] close(11) = -1 EBADF (Bad file descriptor) [pid 4009] close(12) = -1 EBADF (Bad file descriptor) [pid 4009] close(13) = -1 EBADF (Bad file descriptor) [pid 4009] close(14) = -1 EBADF (Bad file descriptor) [pid 4009] close(15) = -1 EBADF (Bad file descriptor) [pid 4009] close(16) = -1 EBADF (Bad file descriptor) [pid 4009] close(17) = -1 EBADF (Bad file descriptor) [pid 4009] close(18) = -1 EBADF (Bad file descriptor) [pid 4009] close(19) = -1 EBADF (Bad file descriptor) [pid 4009] close(20) = -1 EBADF (Bad file descriptor) [pid 4009] close(21) = -1 EBADF (Bad file descriptor) [pid 4009] close(22) = -1 EBADF (Bad file descriptor) [pid 4009] close(23) = -1 EBADF (Bad file descriptor) [pid 4009] close(24) = -1 EBADF (Bad file descriptor) [pid 4009] close(25) = -1 EBADF (Bad file descriptor) [pid 4009] close(26) = -1 EBADF (Bad file descriptor) [pid 4009] close(27) = -1 EBADF (Bad file descriptor) [pid 4009] close(28) = -1 EBADF (Bad file descriptor) [pid 4009] close(29) = -1 EBADF (Bad file descriptor) [pid 4009] exit_group(0) = ? [pid 4009] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./403", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./403", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./403/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./403/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./403/binderfs") = 0 [pid 3605] umount2("./403/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./403/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./403/cgroup") = 0 [pid 3605] umount2("./403/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./403/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./403/cgroup.net") = 0 [pid 3605] umount2("./403/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./403/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./403/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./403") = 0 [pid 3605] mkdir("./404", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 406 ./strace-static-x86_64: Process 4010 attached [pid 4010] chdir("./404") = 0 [pid 4010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4010] setpgid(0, 0) = 0 [pid 4010] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4010] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4010] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4010] write(3, "1000", 4) = 4 [pid 4010] close(3) = 0 [pid 4010] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4010] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4010] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4010] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4010] openat(3, "freezer.state", O_RDWR) = 4 [pid 4010] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4010] close(3) = 0 [pid 4010] close(4) = 0 [pid 4010] close(5) = -1 EBADF (Bad file descriptor) [pid 4010] close(6) = -1 EBADF (Bad file descriptor) [pid 4010] close(7) = -1 EBADF (Bad file descriptor) [pid 4010] close(8) = -1 EBADF (Bad file descriptor) [pid 4010] close(9) = -1 EBADF (Bad file descriptor) [pid 4010] close(10) = -1 EBADF (Bad file descriptor) [pid 4010] close(11) = -1 EBADF (Bad file descriptor) [pid 4010] close(12) = -1 EBADF (Bad file descriptor) [pid 4010] close(13) = -1 EBADF (Bad file descriptor) [pid 4010] close(14) = -1 EBADF (Bad file descriptor) [pid 4010] close(15) = -1 EBADF (Bad file descriptor) [pid 4010] close(16) = -1 EBADF (Bad file descriptor) [pid 4010] close(17) = -1 EBADF (Bad file descriptor) [pid 4010] close(18) = -1 EBADF (Bad file descriptor) [pid 4010] close(19) = -1 EBADF (Bad file descriptor) [pid 4010] close(20) = -1 EBADF (Bad file descriptor) [pid 4010] close(21) = -1 EBADF (Bad file descriptor) [pid 4010] close(22) = -1 EBADF (Bad file descriptor) [pid 4010] close(23) = -1 EBADF (Bad file descriptor) [pid 4010] close(24) = -1 EBADF (Bad file descriptor) [pid 4010] close(25) = -1 EBADF (Bad file descriptor) [pid 4010] close(26) = -1 EBADF (Bad file descriptor) [pid 4010] close(27) = -1 EBADF (Bad file descriptor) [pid 4010] close(28) = -1 EBADF (Bad file descriptor) [pid 4010] close(29) = -1 EBADF (Bad file descriptor) [pid 4010] exit_group(0) = ? [pid 4010] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./404", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./404", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./404/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./404/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./404/binderfs") = 0 [pid 3605] umount2("./404/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./404/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./404/cgroup") = 0 [pid 3605] umount2("./404/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./404/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./404/cgroup.net") = 0 [pid 3605] umount2("./404/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./404/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./404/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./404") = 0 [pid 3605] mkdir("./405", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4011 attached , child_tidptr=0x555556c0f5d0) = 407 [pid 4011] chdir("./405") = 0 [pid 4011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4011] setpgid(0, 0) = 0 [pid 4011] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4011] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4011] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4011] write(3, "1000", 4) = 4 [pid 4011] close(3) = 0 [pid 4011] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4011] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4011] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4011] openat(3, "freezer.state", O_RDWR) = 4 [pid 4011] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4011] close(3) = 0 [pid 4011] close(4) = 0 [pid 4011] close(5) = -1 EBADF (Bad file descriptor) [pid 4011] close(6) = -1 EBADF (Bad file descriptor) [pid 4011] close(7) = -1 EBADF (Bad file descriptor) [pid 4011] close(8) = -1 EBADF (Bad file descriptor) [pid 4011] close(9) = -1 EBADF (Bad file descriptor) [pid 4011] close(10) = -1 EBADF (Bad file descriptor) [pid 4011] close(11) = -1 EBADF (Bad file descriptor) [pid 4011] close(12) = -1 EBADF (Bad file descriptor) [pid 4011] close(13) = -1 EBADF (Bad file descriptor) [pid 4011] close(14) = -1 EBADF (Bad file descriptor) [pid 4011] close(15) = -1 EBADF (Bad file descriptor) [pid 4011] close(16) = -1 EBADF (Bad file descriptor) [pid 4011] close(17) = -1 EBADF (Bad file descriptor) [pid 4011] close(18) = -1 EBADF (Bad file descriptor) [pid 4011] close(19) = -1 EBADF (Bad file descriptor) [pid 4011] close(20) = -1 EBADF (Bad file descriptor) [pid 4011] close(21) = -1 EBADF (Bad file descriptor) [pid 4011] close(22) = -1 EBADF (Bad file descriptor) [pid 4011] close(23) = -1 EBADF (Bad file descriptor) [pid 4011] close(24) = -1 EBADF (Bad file descriptor) [pid 4011] close(25) = -1 EBADF (Bad file descriptor) [pid 4011] close(26) = -1 EBADF (Bad file descriptor) [pid 4011] close(27) = -1 EBADF (Bad file descriptor) [pid 4011] close(28) = -1 EBADF (Bad file descriptor) [pid 4011] close(29) = -1 EBADF (Bad file descriptor) [pid 4011] exit_group(0) = ? [pid 4011] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./405", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./405", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./405/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./405/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./405/binderfs") = 0 [pid 3605] umount2("./405/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./405/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./405/cgroup") = 0 [pid 3605] umount2("./405/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./405/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./405/cgroup.net") = 0 [pid 3605] umount2("./405/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./405/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./405/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./405") = 0 [pid 3605] mkdir("./406", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4012 attached , child_tidptr=0x555556c0f5d0) = 408 [pid 4012] chdir("./406") = 0 [pid 4012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4012] setpgid(0, 0) = 0 [pid 4012] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4012] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4012] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4012] write(3, "1000", 4) = 4 [pid 4012] close(3) = 0 [pid 4012] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4012] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4012] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4012] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4012] openat(3, "freezer.state", O_RDWR) = 4 [pid 4012] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4012] close(3) = 0 [pid 4012] close(4) = 0 [pid 4012] close(5) = -1 EBADF (Bad file descriptor) [pid 4012] close(6) = -1 EBADF (Bad file descriptor) [pid 4012] close(7) = -1 EBADF (Bad file descriptor) [pid 4012] close(8) = -1 EBADF (Bad file descriptor) [pid 4012] close(9) = -1 EBADF (Bad file descriptor) [pid 4012] close(10) = -1 EBADF (Bad file descriptor) [pid 4012] close(11) = -1 EBADF (Bad file descriptor) [pid 4012] close(12) = -1 EBADF (Bad file descriptor) [pid 4012] close(13) = -1 EBADF (Bad file descriptor) [pid 4012] close(14) = -1 EBADF (Bad file descriptor) [pid 4012] close(15) = -1 EBADF (Bad file descriptor) [pid 4012] close(16) = -1 EBADF (Bad file descriptor) [pid 4012] close(17) = -1 EBADF (Bad file descriptor) [pid 4012] close(18) = -1 EBADF (Bad file descriptor) [pid 4012] close(19) = -1 EBADF (Bad file descriptor) [pid 4012] close(20) = -1 EBADF (Bad file descriptor) [pid 4012] close(21) = -1 EBADF (Bad file descriptor) [pid 4012] close(22) = -1 EBADF (Bad file descriptor) [pid 4012] close(23) = -1 EBADF (Bad file descriptor) [pid 4012] close(24) = -1 EBADF (Bad file descriptor) [pid 4012] close(25) = -1 EBADF (Bad file descriptor) [pid 4012] close(26) = -1 EBADF (Bad file descriptor) [pid 4012] close(27) = -1 EBADF (Bad file descriptor) [pid 4012] close(28) = -1 EBADF (Bad file descriptor) [pid 4012] close(29) = -1 EBADF (Bad file descriptor) [pid 4012] exit_group(0) = ? [pid 4012] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./406", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./406", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./406/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./406/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./406/binderfs") = 0 [pid 3605] umount2("./406/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./406/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./406/cgroup") = 0 [pid 3605] umount2("./406/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./406/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./406/cgroup.net") = 0 [pid 3605] umount2("./406/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./406/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./406/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./406") = 0 [pid 3605] mkdir("./407", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 409 ./strace-static-x86_64: Process 4013 attached [pid 4013] chdir("./407") = 0 [pid 4013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4013] setpgid(0, 0) = 0 [pid 4013] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4013] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4013] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4013] write(3, "1000", 4) = 4 [pid 4013] close(3) = 0 [pid 4013] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4013] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4013] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4013] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4013] openat(3, "freezer.state", O_RDWR) = 4 [pid 4013] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4013] close(3) = 0 [pid 4013] close(4) = 0 [pid 4013] close(5) = -1 EBADF (Bad file descriptor) [pid 4013] close(6) = -1 EBADF (Bad file descriptor) [pid 4013] close(7) = -1 EBADF (Bad file descriptor) [pid 4013] close(8) = -1 EBADF (Bad file descriptor) [pid 4013] close(9) = -1 EBADF (Bad file descriptor) [pid 4013] close(10) = -1 EBADF (Bad file descriptor) [pid 4013] close(11) = -1 EBADF (Bad file descriptor) [pid 4013] close(12) = -1 EBADF (Bad file descriptor) [pid 4013] close(13) = -1 EBADF (Bad file descriptor) [pid 4013] close(14) = -1 EBADF (Bad file descriptor) [pid 4013] close(15) = -1 EBADF (Bad file descriptor) [pid 4013] close(16) = -1 EBADF (Bad file descriptor) [pid 4013] close(17) = -1 EBADF (Bad file descriptor) [pid 4013] close(18) = -1 EBADF (Bad file descriptor) [pid 4013] close(19) = -1 EBADF (Bad file descriptor) [pid 4013] close(20) = -1 EBADF (Bad file descriptor) [pid 4013] close(21) = -1 EBADF (Bad file descriptor) [pid 4013] close(22) = -1 EBADF (Bad file descriptor) [pid 4013] close(23) = -1 EBADF (Bad file descriptor) [pid 4013] close(24) = -1 EBADF (Bad file descriptor) [pid 4013] close(25) = -1 EBADF (Bad file descriptor) [pid 4013] close(26) = -1 EBADF (Bad file descriptor) [pid 4013] close(27) = -1 EBADF (Bad file descriptor) [pid 4013] close(28) = -1 EBADF (Bad file descriptor) [pid 4013] close(29) = -1 EBADF (Bad file descriptor) [pid 4013] exit_group(0) = ? [pid 4013] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./407", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./407", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./407/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./407/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./407/binderfs") = 0 [pid 3605] umount2("./407/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./407/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./407/cgroup") = 0 [pid 3605] umount2("./407/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./407/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./407/cgroup.net") = 0 [pid 3605] umount2("./407/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./407/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./407/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./407") = 0 [pid 3605] mkdir("./408", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4014 attached , child_tidptr=0x555556c0f5d0) = 410 [pid 4014] chdir("./408") = 0 [pid 4014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4014] setpgid(0, 0) = 0 [pid 4014] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4014] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4014] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4014] write(3, "1000", 4) = 4 [pid 4014] close(3) = 0 [pid 4014] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4014] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4014] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4014] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4014] openat(3, "freezer.state", O_RDWR) = 4 [pid 4014] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4014] close(3) = 0 [pid 4014] close(4) = 0 [pid 4014] close(5) = -1 EBADF (Bad file descriptor) [pid 4014] close(6) = -1 EBADF (Bad file descriptor) [pid 4014] close(7) = -1 EBADF (Bad file descriptor) [pid 4014] close(8) = -1 EBADF (Bad file descriptor) [pid 4014] close(9) = -1 EBADF (Bad file descriptor) [pid 4014] close(10) = -1 EBADF (Bad file descriptor) [pid 4014] close(11) = -1 EBADF (Bad file descriptor) [pid 4014] close(12) = -1 EBADF (Bad file descriptor) [pid 4014] close(13) = -1 EBADF (Bad file descriptor) [pid 4014] close(14) = -1 EBADF (Bad file descriptor) [pid 4014] close(15) = -1 EBADF (Bad file descriptor) [pid 4014] close(16) = -1 EBADF (Bad file descriptor) [pid 4014] close(17) = -1 EBADF (Bad file descriptor) [pid 4014] close(18) = -1 EBADF (Bad file descriptor) [pid 4014] close(19) = -1 EBADF (Bad file descriptor) [pid 4014] close(20) = -1 EBADF (Bad file descriptor) [pid 4014] close(21) = -1 EBADF (Bad file descriptor) [pid 4014] close(22) = -1 EBADF (Bad file descriptor) [pid 4014] close(23) = -1 EBADF (Bad file descriptor) [pid 4014] close(24) = -1 EBADF (Bad file descriptor) [pid 4014] close(25) = -1 EBADF (Bad file descriptor) [pid 4014] close(26) = -1 EBADF (Bad file descriptor) [pid 4014] close(27) = -1 EBADF (Bad file descriptor) [pid 4014] close(28) = -1 EBADF (Bad file descriptor) [pid 4014] close(29) = -1 EBADF (Bad file descriptor) [pid 4014] exit_group(0) = ? [pid 4014] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./408", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./408", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./408/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./408/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./408/binderfs") = 0 [pid 3605] umount2("./408/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./408/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./408/cgroup") = 0 [pid 3605] umount2("./408/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./408/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./408/cgroup.net") = 0 [pid 3605] umount2("./408/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./408/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./408/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./408") = 0 [pid 3605] mkdir("./409", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4015 attached [pid 4015] chdir("./409" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 411 [pid 4015] <... chdir resumed>) = 0 [pid 4015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4015] setpgid(0, 0) = 0 [pid 4015] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4015] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4015] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4015] write(3, "1000", 4) = 4 [pid 4015] close(3) = 0 [pid 4015] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4015] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4015] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4015] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4015] openat(3, "freezer.state", O_RDWR) = 4 [pid 4015] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4015] close(3) = 0 [pid 4015] close(4) = 0 [pid 4015] close(5) = -1 EBADF (Bad file descriptor) [pid 4015] close(6) = -1 EBADF (Bad file descriptor) [pid 4015] close(7) = -1 EBADF (Bad file descriptor) [pid 4015] close(8) = -1 EBADF (Bad file descriptor) [pid 4015] close(9) = -1 EBADF (Bad file descriptor) [pid 4015] close(10) = -1 EBADF (Bad file descriptor) [pid 4015] close(11) = -1 EBADF (Bad file descriptor) [pid 4015] close(12) = -1 EBADF (Bad file descriptor) [pid 4015] close(13) = -1 EBADF (Bad file descriptor) [pid 4015] close(14) = -1 EBADF (Bad file descriptor) [pid 4015] close(15) = -1 EBADF (Bad file descriptor) [pid 4015] close(16) = -1 EBADF (Bad file descriptor) [pid 4015] close(17) = -1 EBADF (Bad file descriptor) [pid 4015] close(18) = -1 EBADF (Bad file descriptor) [pid 4015] close(19) = -1 EBADF (Bad file descriptor) [pid 4015] close(20) = -1 EBADF (Bad file descriptor) [pid 4015] close(21) = -1 EBADF (Bad file descriptor) [pid 4015] close(22) = -1 EBADF (Bad file descriptor) [pid 4015] close(23) = -1 EBADF (Bad file descriptor) [pid 4015] close(24) = -1 EBADF (Bad file descriptor) [pid 4015] close(25) = -1 EBADF (Bad file descriptor) [pid 4015] close(26) = -1 EBADF (Bad file descriptor) [pid 4015] close(27) = -1 EBADF (Bad file descriptor) [pid 4015] close(28) = -1 EBADF (Bad file descriptor) [pid 4015] close(29) = -1 EBADF (Bad file descriptor) [pid 4015] exit_group(0) = ? [pid 4015] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./409", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./409", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./409/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./409/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./409/binderfs") = 0 [pid 3605] umount2("./409/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./409/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./409/cgroup") = 0 [pid 3605] umount2("./409/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./409/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./409/cgroup.net") = 0 [pid 3605] umount2("./409/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./409/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./409/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./409") = 0 [pid 3605] mkdir("./410", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4016 attached , child_tidptr=0x555556c0f5d0) = 412 [pid 4016] chdir("./410") = 0 [pid 4016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4016] setpgid(0, 0) = 0 [pid 4016] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4016] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4016] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4016] write(3, "1000", 4) = 4 [pid 4016] close(3) = 0 [pid 4016] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4016] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4016] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4016] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4016] openat(3, "freezer.state", O_RDWR) = 4 [pid 4016] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4016] close(3) = 0 [pid 4016] close(4) = 0 [pid 4016] close(5) = -1 EBADF (Bad file descriptor) [pid 4016] close(6) = -1 EBADF (Bad file descriptor) [pid 4016] close(7) = -1 EBADF (Bad file descriptor) [pid 4016] close(8) = -1 EBADF (Bad file descriptor) [pid 4016] close(9) = -1 EBADF (Bad file descriptor) [pid 4016] close(10) = -1 EBADF (Bad file descriptor) [pid 4016] close(11) = -1 EBADF (Bad file descriptor) [pid 4016] close(12) = -1 EBADF (Bad file descriptor) [pid 4016] close(13) = -1 EBADF (Bad file descriptor) [pid 4016] close(14) = -1 EBADF (Bad file descriptor) [pid 4016] close(15) = -1 EBADF (Bad file descriptor) [pid 4016] close(16) = -1 EBADF (Bad file descriptor) [pid 4016] close(17) = -1 EBADF (Bad file descriptor) [pid 4016] close(18) = -1 EBADF (Bad file descriptor) [pid 4016] close(19) = -1 EBADF (Bad file descriptor) [pid 4016] close(20) = -1 EBADF (Bad file descriptor) [pid 4016] close(21) = -1 EBADF (Bad file descriptor) [pid 4016] close(22) = -1 EBADF (Bad file descriptor) [pid 4016] close(23) = -1 EBADF (Bad file descriptor) [pid 4016] close(24) = -1 EBADF (Bad file descriptor) [pid 4016] close(25) = -1 EBADF (Bad file descriptor) [pid 4016] close(26) = -1 EBADF (Bad file descriptor) [pid 4016] close(27) = -1 EBADF (Bad file descriptor) [pid 4016] close(28) = -1 EBADF (Bad file descriptor) [pid 4016] close(29) = -1 EBADF (Bad file descriptor) [pid 4016] exit_group(0) = ? [pid 4016] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./410", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./410", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./410/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./410/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./410/binderfs") = 0 [pid 3605] umount2("./410/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./410/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./410/cgroup") = 0 [pid 3605] umount2("./410/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./410/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./410/cgroup.net") = 0 [pid 3605] umount2("./410/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./410/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./410/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./410") = 0 [pid 3605] mkdir("./411", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 413 ./strace-static-x86_64: Process 4017 attached [pid 4017] chdir("./411") = 0 [pid 4017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4017] setpgid(0, 0) = 0 [pid 4017] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4017] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4017] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4017] write(3, "1000", 4) = 4 [pid 4017] close(3) = 0 [pid 4017] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4017] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4017] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4017] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4017] openat(3, "freezer.state", O_RDWR) = 4 [pid 4017] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4017] close(3) = 0 [pid 4017] close(4) = 0 [pid 4017] close(5) = -1 EBADF (Bad file descriptor) [pid 4017] close(6) = -1 EBADF (Bad file descriptor) [pid 4017] close(7) = -1 EBADF (Bad file descriptor) [pid 4017] close(8) = -1 EBADF (Bad file descriptor) [pid 4017] close(9) = -1 EBADF (Bad file descriptor) [pid 4017] close(10) = -1 EBADF (Bad file descriptor) [pid 4017] close(11) = -1 EBADF (Bad file descriptor) [pid 4017] close(12) = -1 EBADF (Bad file descriptor) [pid 4017] close(13) = -1 EBADF (Bad file descriptor) [pid 4017] close(14) = -1 EBADF (Bad file descriptor) [pid 4017] close(15) = -1 EBADF (Bad file descriptor) [pid 4017] close(16) = -1 EBADF (Bad file descriptor) [pid 4017] close(17) = -1 EBADF (Bad file descriptor) [pid 4017] close(18) = -1 EBADF (Bad file descriptor) [pid 4017] close(19) = -1 EBADF (Bad file descriptor) [pid 4017] close(20) = -1 EBADF (Bad file descriptor) [pid 4017] close(21) = -1 EBADF (Bad file descriptor) [pid 4017] close(22) = -1 EBADF (Bad file descriptor) [pid 4017] close(23) = -1 EBADF (Bad file descriptor) [pid 4017] close(24) = -1 EBADF (Bad file descriptor) [pid 4017] close(25) = -1 EBADF (Bad file descriptor) [pid 4017] close(26) = -1 EBADF (Bad file descriptor) [pid 4017] close(27) = -1 EBADF (Bad file descriptor) [pid 4017] close(28) = -1 EBADF (Bad file descriptor) [pid 4017] close(29) = -1 EBADF (Bad file descriptor) [pid 4017] exit_group(0) = ? [pid 4017] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./411", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./411", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./411/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./411/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./411/binderfs") = 0 [pid 3605] umount2("./411/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./411/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./411/cgroup") = 0 [pid 3605] umount2("./411/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./411/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./411/cgroup.net") = 0 [pid 3605] umount2("./411/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./411/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./411/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./411") = 0 [pid 3605] mkdir("./412", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4018 attached [pid 4018] chdir("./412") = 0 [pid 4018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4018] setpgid(0, 0) = 0 [pid 4018] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 414 [pid 4018] <... symlink resumed>) = 0 [pid 4018] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4018] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4018] write(3, "1000", 4) = 4 [pid 4018] close(3) = 0 [pid 4018] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4018] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4018] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4018] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4018] openat(3, "freezer.state", O_RDWR) = 4 [pid 4018] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4018] close(3) = 0 [pid 4018] close(4) = 0 [pid 4018] close(5) = -1 EBADF (Bad file descriptor) [pid 4018] close(6) = -1 EBADF (Bad file descriptor) [pid 4018] close(7) = -1 EBADF (Bad file descriptor) [pid 4018] close(8) = -1 EBADF (Bad file descriptor) [pid 4018] close(9) = -1 EBADF (Bad file descriptor) [pid 4018] close(10) = -1 EBADF (Bad file descriptor) [pid 4018] close(11) = -1 EBADF (Bad file descriptor) [pid 4018] close(12) = -1 EBADF (Bad file descriptor) [pid 4018] close(13) = -1 EBADF (Bad file descriptor) [pid 4018] close(14) = -1 EBADF (Bad file descriptor) [pid 4018] close(15) = -1 EBADF (Bad file descriptor) [pid 4018] close(16) = -1 EBADF (Bad file descriptor) [pid 4018] close(17) = -1 EBADF (Bad file descriptor) [pid 4018] close(18) = -1 EBADF (Bad file descriptor) [pid 4018] close(19) = -1 EBADF (Bad file descriptor) [pid 4018] close(20) = -1 EBADF (Bad file descriptor) [pid 4018] close(21) = -1 EBADF (Bad file descriptor) [pid 4018] close(22) = -1 EBADF (Bad file descriptor) [pid 4018] close(23) = -1 EBADF (Bad file descriptor) [pid 4018] close(24) = -1 EBADF (Bad file descriptor) [pid 4018] close(25) = -1 EBADF (Bad file descriptor) [pid 4018] close(26) = -1 EBADF (Bad file descriptor) [pid 4018] close(27) = -1 EBADF (Bad file descriptor) [pid 4018] close(28) = -1 EBADF (Bad file descriptor) [pid 4018] close(29) = -1 EBADF (Bad file descriptor) [pid 4018] exit_group(0) = ? [pid 4018] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./412", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./412", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./412/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./412/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./412/binderfs") = 0 [pid 3605] umount2("./412/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./412/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./412/cgroup") = 0 [pid 3605] umount2("./412/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./412/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./412/cgroup.net") = 0 [pid 3605] umount2("./412/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./412/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./412/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./412") = 0 [pid 3605] mkdir("./413", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4019 attached [pid 4019] chdir("./413") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 415 [pid 4019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4019] setpgid(0, 0) = 0 [pid 4019] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4019] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4019] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4019] write(3, "1000", 4) = 4 [pid 4019] close(3) = 0 [pid 4019] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4019] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4019] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4019] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4019] openat(3, "freezer.state", O_RDWR) = 4 [pid 4019] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4019] close(3) = 0 [pid 4019] close(4) = 0 [pid 4019] close(5) = -1 EBADF (Bad file descriptor) [pid 4019] close(6) = -1 EBADF (Bad file descriptor) [pid 4019] close(7) = -1 EBADF (Bad file descriptor) [pid 4019] close(8) = -1 EBADF (Bad file descriptor) [pid 4019] close(9) = -1 EBADF (Bad file descriptor) [pid 4019] close(10) = -1 EBADF (Bad file descriptor) [pid 4019] close(11) = -1 EBADF (Bad file descriptor) [pid 4019] close(12) = -1 EBADF (Bad file descriptor) [pid 4019] close(13) = -1 EBADF (Bad file descriptor) [pid 4019] close(14) = -1 EBADF (Bad file descriptor) [pid 4019] close(15) = -1 EBADF (Bad file descriptor) [pid 4019] close(16) = -1 EBADF (Bad file descriptor) [pid 4019] close(17) = -1 EBADF (Bad file descriptor) [pid 4019] close(18) = -1 EBADF (Bad file descriptor) [pid 4019] close(19) = -1 EBADF (Bad file descriptor) [pid 4019] close(20) = -1 EBADF (Bad file descriptor) [pid 4019] close(21) = -1 EBADF (Bad file descriptor) [pid 4019] close(22) = -1 EBADF (Bad file descriptor) [pid 4019] close(23) = -1 EBADF (Bad file descriptor) [pid 4019] close(24) = -1 EBADF (Bad file descriptor) [pid 4019] close(25) = -1 EBADF (Bad file descriptor) [pid 4019] close(26) = -1 EBADF (Bad file descriptor) [pid 4019] close(27) = -1 EBADF (Bad file descriptor) [pid 4019] close(28) = -1 EBADF (Bad file descriptor) [pid 4019] close(29) = -1 EBADF (Bad file descriptor) [pid 4019] exit_group(0) = ? [pid 4019] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./413", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./413", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./413/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./413/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./413/binderfs") = 0 [pid 3605] umount2("./413/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./413/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./413/cgroup") = 0 [pid 3605] umount2("./413/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./413/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./413/cgroup.net") = 0 [pid 3605] umount2("./413/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./413/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./413/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./413") = 0 [pid 3605] mkdir("./414", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4020 attached [pid 4020] chdir("./414" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 416 [pid 4020] <... chdir resumed>) = 0 [pid 4020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4020] setpgid(0, 0) = 0 [pid 4020] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4020] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4020] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4020] write(3, "1000", 4) = 4 [pid 4020] close(3) = 0 [pid 4020] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4020] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4020] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4020] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4020] openat(3, "freezer.state", O_RDWR) = 4 [pid 4020] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4020] close(3) = 0 [pid 4020] close(4) = 0 [pid 4020] close(5) = -1 EBADF (Bad file descriptor) [pid 4020] close(6) = -1 EBADF (Bad file descriptor) [pid 4020] close(7) = -1 EBADF (Bad file descriptor) [pid 4020] close(8) = -1 EBADF (Bad file descriptor) [pid 4020] close(9) = -1 EBADF (Bad file descriptor) [pid 4020] close(10) = -1 EBADF (Bad file descriptor) [pid 4020] close(11) = -1 EBADF (Bad file descriptor) [pid 4020] close(12) = -1 EBADF (Bad file descriptor) [pid 4020] close(13) = -1 EBADF (Bad file descriptor) [pid 4020] close(14) = -1 EBADF (Bad file descriptor) [pid 4020] close(15) = -1 EBADF (Bad file descriptor) [pid 4020] close(16) = -1 EBADF (Bad file descriptor) [pid 4020] close(17) = -1 EBADF (Bad file descriptor) [pid 4020] close(18) = -1 EBADF (Bad file descriptor) [pid 4020] close(19) = -1 EBADF (Bad file descriptor) [pid 4020] close(20) = -1 EBADF (Bad file descriptor) [pid 4020] close(21) = -1 EBADF (Bad file descriptor) [pid 4020] close(22) = -1 EBADF (Bad file descriptor) [pid 4020] close(23) = -1 EBADF (Bad file descriptor) [pid 4020] close(24) = -1 EBADF (Bad file descriptor) [pid 4020] close(25) = -1 EBADF (Bad file descriptor) [pid 4020] close(26) = -1 EBADF (Bad file descriptor) [pid 4020] close(27) = -1 EBADF (Bad file descriptor) [pid 4020] close(28) = -1 EBADF (Bad file descriptor) [pid 4020] close(29) = -1 EBADF (Bad file descriptor) [pid 4020] exit_group(0) = ? [pid 4020] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./414", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./414", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./414/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./414/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./414/binderfs") = 0 [pid 3605] umount2("./414/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./414/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./414/cgroup") = 0 [pid 3605] umount2("./414/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./414/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./414/cgroup.net") = 0 [pid 3605] umount2("./414/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./414/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./414/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./414") = 0 [pid 3605] mkdir("./415", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4021 attached [pid 4021] chdir("./415") = 0 [pid 4021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4021] setpgid(0, 0) = 0 [pid 4021] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 417 [pid 4021] <... symlink resumed>) = 0 [pid 4021] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4021] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4021] write(3, "1000", 4) = 4 [pid 4021] close(3) = 0 [pid 4021] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4021] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4021] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4021] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4021] openat(3, "freezer.state", O_RDWR) = 4 [pid 4021] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4021] close(3) = 0 [pid 4021] close(4) = 0 [pid 4021] close(5) = -1 EBADF (Bad file descriptor) [pid 4021] close(6) = -1 EBADF (Bad file descriptor) [pid 4021] close(7) = -1 EBADF (Bad file descriptor) [pid 4021] close(8) = -1 EBADF (Bad file descriptor) [pid 4021] close(9) = -1 EBADF (Bad file descriptor) [pid 4021] close(10) = -1 EBADF (Bad file descriptor) [pid 4021] close(11) = -1 EBADF (Bad file descriptor) [pid 4021] close(12) = -1 EBADF (Bad file descriptor) [pid 4021] close(13) = -1 EBADF (Bad file descriptor) [pid 4021] close(14) = -1 EBADF (Bad file descriptor) [pid 4021] close(15) = -1 EBADF (Bad file descriptor) [pid 4021] close(16) = -1 EBADF (Bad file descriptor) [pid 4021] close(17) = -1 EBADF (Bad file descriptor) [pid 4021] close(18) = -1 EBADF (Bad file descriptor) [pid 4021] close(19) = -1 EBADF (Bad file descriptor) [pid 4021] close(20) = -1 EBADF (Bad file descriptor) [pid 4021] close(21) = -1 EBADF (Bad file descriptor) [pid 4021] close(22) = -1 EBADF (Bad file descriptor) [pid 4021] close(23) = -1 EBADF (Bad file descriptor) [pid 4021] close(24) = -1 EBADF (Bad file descriptor) [pid 4021] close(25) = -1 EBADF (Bad file descriptor) [pid 4021] close(26) = -1 EBADF (Bad file descriptor) [pid 4021] close(27) = -1 EBADF (Bad file descriptor) [pid 4021] close(28) = -1 EBADF (Bad file descriptor) [pid 4021] close(29) = -1 EBADF (Bad file descriptor) [pid 4021] exit_group(0) = ? [pid 4021] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./415", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./415", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./415/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./415/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./415/binderfs") = 0 [pid 3605] umount2("./415/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./415/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./415/cgroup") = 0 [pid 3605] umount2("./415/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./415/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./415/cgroup.net") = 0 [pid 3605] umount2("./415/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./415/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./415/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./415") = 0 [pid 3605] mkdir("./416", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4022 attached [pid 4022] chdir("./416") = 0 [pid 4022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4022] setpgid(0, 0) = 0 [pid 4022] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4022] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 418 [pid 4022] <... symlink resumed>) = 0 [pid 4022] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4022] write(3, "1000", 4) = 4 [pid 4022] close(3) = 0 [pid 4022] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4022] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4022] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4022] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4022] openat(3, "freezer.state", O_RDWR) = 4 [pid 4022] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4022] close(3) = 0 [pid 4022] close(4) = 0 [pid 4022] close(5) = -1 EBADF (Bad file descriptor) [pid 4022] close(6) = -1 EBADF (Bad file descriptor) [pid 4022] close(7) = -1 EBADF (Bad file descriptor) [pid 4022] close(8) = -1 EBADF (Bad file descriptor) [pid 4022] close(9) = -1 EBADF (Bad file descriptor) [pid 4022] close(10) = -1 EBADF (Bad file descriptor) [pid 4022] close(11) = -1 EBADF (Bad file descriptor) [pid 4022] close(12) = -1 EBADF (Bad file descriptor) [pid 4022] close(13) = -1 EBADF (Bad file descriptor) [pid 4022] close(14) = -1 EBADF (Bad file descriptor) [pid 4022] close(15) = -1 EBADF (Bad file descriptor) [pid 4022] close(16) = -1 EBADF (Bad file descriptor) [pid 4022] close(17) = -1 EBADF (Bad file descriptor) [pid 4022] close(18) = -1 EBADF (Bad file descriptor) [pid 4022] close(19) = -1 EBADF (Bad file descriptor) [pid 4022] close(20) = -1 EBADF (Bad file descriptor) [pid 4022] close(21) = -1 EBADF (Bad file descriptor) [pid 4022] close(22) = -1 EBADF (Bad file descriptor) [pid 4022] close(23) = -1 EBADF (Bad file descriptor) [pid 4022] close(24) = -1 EBADF (Bad file descriptor) [pid 4022] close(25) = -1 EBADF (Bad file descriptor) [pid 4022] close(26) = -1 EBADF (Bad file descriptor) [pid 4022] close(27) = -1 EBADF (Bad file descriptor) [pid 4022] close(28) = -1 EBADF (Bad file descriptor) [pid 4022] close(29) = -1 EBADF (Bad file descriptor) [pid 4022] exit_group(0) = ? [pid 4022] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./416", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./416", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./416/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./416/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./416/binderfs") = 0 [pid 3605] umount2("./416/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./416/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./416/cgroup") = 0 [pid 3605] umount2("./416/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./416/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./416/cgroup.net") = 0 [pid 3605] umount2("./416/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./416/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./416/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./416") = 0 [pid 3605] mkdir("./417", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4023 attached [pid 4023] chdir("./417") = 0 [pid 4023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4023] setpgid(0, 0) = 0 [pid 4023] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 419 [pid 4023] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4023] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4023] write(3, "1000", 4) = 4 [pid 4023] close(3) = 0 [pid 4023] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4023] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4023] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4023] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4023] openat(3, "freezer.state", O_RDWR) = 4 [pid 4023] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4023] close(3) = 0 [pid 4023] close(4) = 0 [pid 4023] close(5) = -1 EBADF (Bad file descriptor) [pid 4023] close(6) = -1 EBADF (Bad file descriptor) [pid 4023] close(7) = -1 EBADF (Bad file descriptor) [pid 4023] close(8) = -1 EBADF (Bad file descriptor) [pid 4023] close(9) = -1 EBADF (Bad file descriptor) [pid 4023] close(10) = -1 EBADF (Bad file descriptor) [pid 4023] close(11) = -1 EBADF (Bad file descriptor) [pid 4023] close(12) = -1 EBADF (Bad file descriptor) [pid 4023] close(13) = -1 EBADF (Bad file descriptor) [pid 4023] close(14) = -1 EBADF (Bad file descriptor) [pid 4023] close(15) = -1 EBADF (Bad file descriptor) [pid 4023] close(16) = -1 EBADF (Bad file descriptor) [pid 4023] close(17) = -1 EBADF (Bad file descriptor) [pid 4023] close(18) = -1 EBADF (Bad file descriptor) [pid 4023] close(19) = -1 EBADF (Bad file descriptor) [pid 4023] close(20) = -1 EBADF (Bad file descriptor) [pid 4023] close(21) = -1 EBADF (Bad file descriptor) [pid 4023] close(22) = -1 EBADF (Bad file descriptor) [pid 4023] close(23) = -1 EBADF (Bad file descriptor) [pid 4023] close(24) = -1 EBADF (Bad file descriptor) [pid 4023] close(25) = -1 EBADF (Bad file descriptor) [pid 4023] close(26) = -1 EBADF (Bad file descriptor) [pid 4023] close(27) = -1 EBADF (Bad file descriptor) [pid 4023] close(28) = -1 EBADF (Bad file descriptor) [pid 4023] close(29) = -1 EBADF (Bad file descriptor) [pid 4023] exit_group(0) = ? [pid 4023] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./417", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./417", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./417/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./417/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./417/binderfs") = 0 [pid 3605] umount2("./417/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./417/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./417/cgroup") = 0 [pid 3605] umount2("./417/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./417/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./417/cgroup.net") = 0 [pid 3605] umount2("./417/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./417/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./417/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./417") = 0 [pid 3605] mkdir("./418", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4024 attached [pid 4024] chdir("./418") = 0 [pid 4024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4024] setpgid(0, 0) = 0 [pid 4024] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4024] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 420 [pid 4024] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4024] write(3, "1000", 4) = 4 [pid 4024] close(3) = 0 [pid 4024] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4024] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4024] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4024] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4024] openat(3, "freezer.state", O_RDWR) = 4 [pid 4024] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4024] close(3) = 0 [pid 4024] close(4) = 0 [pid 4024] close(5) = -1 EBADF (Bad file descriptor) [pid 4024] close(6) = -1 EBADF (Bad file descriptor) [pid 4024] close(7) = -1 EBADF (Bad file descriptor) [pid 4024] close(8) = -1 EBADF (Bad file descriptor) [pid 4024] close(9) = -1 EBADF (Bad file descriptor) [pid 4024] close(10) = -1 EBADF (Bad file descriptor) [pid 4024] close(11) = -1 EBADF (Bad file descriptor) [pid 4024] close(12) = -1 EBADF (Bad file descriptor) [pid 4024] close(13) = -1 EBADF (Bad file descriptor) [pid 4024] close(14) = -1 EBADF (Bad file descriptor) [pid 4024] close(15) = -1 EBADF (Bad file descriptor) [pid 4024] close(16) = -1 EBADF (Bad file descriptor) [pid 4024] close(17) = -1 EBADF (Bad file descriptor) [pid 4024] close(18) = -1 EBADF (Bad file descriptor) [pid 4024] close(19) = -1 EBADF (Bad file descriptor) [pid 4024] close(20) = -1 EBADF (Bad file descriptor) [pid 4024] close(21) = -1 EBADF (Bad file descriptor) [pid 4024] close(22) = -1 EBADF (Bad file descriptor) [pid 4024] close(23) = -1 EBADF (Bad file descriptor) [pid 4024] close(24) = -1 EBADF (Bad file descriptor) [pid 4024] close(25) = -1 EBADF (Bad file descriptor) [pid 4024] close(26) = -1 EBADF (Bad file descriptor) [pid 4024] close(27) = -1 EBADF (Bad file descriptor) [pid 4024] close(28) = -1 EBADF (Bad file descriptor) [pid 4024] close(29) = -1 EBADF (Bad file descriptor) [pid 4024] exit_group(0) = ? [pid 4024] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./418", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./418", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./418/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./418/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./418/binderfs") = 0 [pid 3605] umount2("./418/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./418/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./418/cgroup") = 0 [pid 3605] umount2("./418/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./418/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./418/cgroup.net") = 0 [pid 3605] umount2("./418/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./418/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./418/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./418") = 0 [pid 3605] mkdir("./419", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4025 attached [pid 4025] chdir("./419" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 421 [pid 4025] <... chdir resumed>) = 0 [pid 4025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4025] setpgid(0, 0) = 0 [pid 4025] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4025] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4025] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4025] write(3, "1000", 4) = 4 [pid 4025] close(3) = 0 [pid 4025] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4025] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4025] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4025] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4025] openat(3, "freezer.state", O_RDWR) = 4 [pid 4025] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4025] close(3) = 0 [pid 4025] close(4) = 0 [pid 4025] close(5) = -1 EBADF (Bad file descriptor) [pid 4025] close(6) = -1 EBADF (Bad file descriptor) [pid 4025] close(7) = -1 EBADF (Bad file descriptor) [pid 4025] close(8) = -1 EBADF (Bad file descriptor) [pid 4025] close(9) = -1 EBADF (Bad file descriptor) [pid 4025] close(10) = -1 EBADF (Bad file descriptor) [pid 4025] close(11) = -1 EBADF (Bad file descriptor) [pid 4025] close(12) = -1 EBADF (Bad file descriptor) [pid 4025] close(13) = -1 EBADF (Bad file descriptor) [pid 4025] close(14) = -1 EBADF (Bad file descriptor) [pid 4025] close(15) = -1 EBADF (Bad file descriptor) [pid 4025] close(16) = -1 EBADF (Bad file descriptor) [pid 4025] close(17) = -1 EBADF (Bad file descriptor) [pid 4025] close(18) = -1 EBADF (Bad file descriptor) [pid 4025] close(19) = -1 EBADF (Bad file descriptor) [pid 4025] close(20) = -1 EBADF (Bad file descriptor) [pid 4025] close(21) = -1 EBADF (Bad file descriptor) [pid 4025] close(22) = -1 EBADF (Bad file descriptor) [pid 4025] close(23) = -1 EBADF (Bad file descriptor) [pid 4025] close(24) = -1 EBADF (Bad file descriptor) [pid 4025] close(25) = -1 EBADF (Bad file descriptor) [pid 4025] close(26) = -1 EBADF (Bad file descriptor) [pid 4025] close(27) = -1 EBADF (Bad file descriptor) [pid 4025] close(28) = -1 EBADF (Bad file descriptor) [pid 4025] close(29) = -1 EBADF (Bad file descriptor) [pid 4025] exit_group(0) = ? [pid 4025] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./419", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./419", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./419/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./419/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./419/binderfs") = 0 [pid 3605] umount2("./419/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./419/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./419/cgroup") = 0 [pid 3605] umount2("./419/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./419/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./419/cgroup.net") = 0 [pid 3605] umount2("./419/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./419/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./419/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./419") = 0 [pid 3605] mkdir("./420", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4026 attached [pid 4026] chdir("./420") = 0 [pid 4026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4026] setpgid(0, 0) = 0 [pid 4026] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 422 [pid 4026] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4026] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4026] write(3, "1000", 4) = 4 [pid 4026] close(3) = 0 [pid 4026] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4026] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4026] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4026] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4026] openat(3, "freezer.state", O_RDWR) = 4 [pid 4026] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4026] close(3) = 0 [pid 4026] close(4) = 0 [pid 4026] close(5) = -1 EBADF (Bad file descriptor) [pid 4026] close(6) = -1 EBADF (Bad file descriptor) [pid 4026] close(7) = -1 EBADF (Bad file descriptor) [pid 4026] close(8) = -1 EBADF (Bad file descriptor) [pid 4026] close(9) = -1 EBADF (Bad file descriptor) [pid 4026] close(10) = -1 EBADF (Bad file descriptor) [pid 4026] close(11) = -1 EBADF (Bad file descriptor) [pid 4026] close(12) = -1 EBADF (Bad file descriptor) [pid 4026] close(13) = -1 EBADF (Bad file descriptor) [pid 4026] close(14) = -1 EBADF (Bad file descriptor) [pid 4026] close(15) = -1 EBADF (Bad file descriptor) [pid 4026] close(16) = -1 EBADF (Bad file descriptor) [pid 4026] close(17) = -1 EBADF (Bad file descriptor) [pid 4026] close(18) = -1 EBADF (Bad file descriptor) [pid 4026] close(19) = -1 EBADF (Bad file descriptor) [pid 4026] close(20) = -1 EBADF (Bad file descriptor) [pid 4026] close(21) = -1 EBADF (Bad file descriptor) [pid 4026] close(22) = -1 EBADF (Bad file descriptor) [pid 4026] close(23) = -1 EBADF (Bad file descriptor) [pid 4026] close(24) = -1 EBADF (Bad file descriptor) [pid 4026] close(25) = -1 EBADF (Bad file descriptor) [pid 4026] close(26) = -1 EBADF (Bad file descriptor) [pid 4026] close(27) = -1 EBADF (Bad file descriptor) [pid 4026] close(28) = -1 EBADF (Bad file descriptor) [pid 4026] close(29) = -1 EBADF (Bad file descriptor) [pid 4026] exit_group(0) = ? [pid 4026] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./420", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./420", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./420/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./420/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./420/binderfs") = 0 [pid 3605] umount2("./420/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./420/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./420/cgroup") = 0 [pid 3605] umount2("./420/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./420/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./420/cgroup.net") = 0 [pid 3605] umount2("./420/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./420/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./420/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./420") = 0 [pid 3605] mkdir("./421", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4027 attached [pid 4027] chdir("./421") = 0 [pid 4027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 423 [pid 4027] <... prctl resumed>) = 0 [pid 4027] setpgid(0, 0) = 0 [pid 4027] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4027] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4027] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4027] write(3, "1000", 4) = 4 [pid 4027] close(3) = 0 [pid 4027] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4027] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4027] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4027] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4027] openat(3, "freezer.state", O_RDWR) = 4 [pid 4027] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4027] close(3) = 0 [pid 4027] close(4) = 0 [pid 4027] close(5) = -1 EBADF (Bad file descriptor) [pid 4027] close(6) = -1 EBADF (Bad file descriptor) [pid 4027] close(7) = -1 EBADF (Bad file descriptor) [pid 4027] close(8) = -1 EBADF (Bad file descriptor) [pid 4027] close(9) = -1 EBADF (Bad file descriptor) [pid 4027] close(10) = -1 EBADF (Bad file descriptor) [pid 4027] close(11) = -1 EBADF (Bad file descriptor) [pid 4027] close(12) = -1 EBADF (Bad file descriptor) [pid 4027] close(13) = -1 EBADF (Bad file descriptor) [pid 4027] close(14) = -1 EBADF (Bad file descriptor) [pid 4027] close(15) = -1 EBADF (Bad file descriptor) [pid 4027] close(16) = -1 EBADF (Bad file descriptor) [pid 4027] close(17) = -1 EBADF (Bad file descriptor) [pid 4027] close(18) = -1 EBADF (Bad file descriptor) [pid 4027] close(19) = -1 EBADF (Bad file descriptor) [pid 4027] close(20) = -1 EBADF (Bad file descriptor) [pid 4027] close(21) = -1 EBADF (Bad file descriptor) [pid 4027] close(22) = -1 EBADF (Bad file descriptor) [pid 4027] close(23) = -1 EBADF (Bad file descriptor) [pid 4027] close(24) = -1 EBADF (Bad file descriptor) [pid 4027] close(25) = -1 EBADF (Bad file descriptor) [pid 4027] close(26) = -1 EBADF (Bad file descriptor) [pid 4027] close(27) = -1 EBADF (Bad file descriptor) [pid 4027] close(28) = -1 EBADF (Bad file descriptor) [pid 4027] close(29) = -1 EBADF (Bad file descriptor) [pid 4027] exit_group(0) = ? [pid 4027] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./421", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./421", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./421/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./421/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./421/binderfs") = 0 [pid 3605] umount2("./421/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./421/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./421/cgroup") = 0 [pid 3605] umount2("./421/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./421/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./421/cgroup.net") = 0 [pid 3605] umount2("./421/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./421/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./421/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./421") = 0 [pid 3605] mkdir("./422", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4028 attached [pid 4028] chdir("./422") = 0 [pid 4028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4028] setpgid(0, 0) = 0 [pid 4028] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 424 [pid 4028] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4028] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4028] write(3, "1000", 4) = 4 [pid 4028] close(3) = 0 [pid 4028] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4028] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4028] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4028] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4028] openat(3, "freezer.state", O_RDWR) = 4 [pid 4028] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4028] close(3) = 0 [pid 4028] close(4) = 0 [pid 4028] close(5) = -1 EBADF (Bad file descriptor) [pid 4028] close(6) = -1 EBADF (Bad file descriptor) [pid 4028] close(7) = -1 EBADF (Bad file descriptor) [pid 4028] close(8) = -1 EBADF (Bad file descriptor) [pid 4028] close(9) = -1 EBADF (Bad file descriptor) [pid 4028] close(10) = -1 EBADF (Bad file descriptor) [pid 4028] close(11) = -1 EBADF (Bad file descriptor) [pid 4028] close(12) = -1 EBADF (Bad file descriptor) [pid 4028] close(13) = -1 EBADF (Bad file descriptor) [pid 4028] close(14) = -1 EBADF (Bad file descriptor) [pid 4028] close(15) = -1 EBADF (Bad file descriptor) [pid 4028] close(16) = -1 EBADF (Bad file descriptor) [pid 4028] close(17) = -1 EBADF (Bad file descriptor) [pid 4028] close(18) = -1 EBADF (Bad file descriptor) [pid 4028] close(19) = -1 EBADF (Bad file descriptor) [pid 4028] close(20) = -1 EBADF (Bad file descriptor) [pid 4028] close(21) = -1 EBADF (Bad file descriptor) [pid 4028] close(22) = -1 EBADF (Bad file descriptor) [pid 4028] close(23) = -1 EBADF (Bad file descriptor) [pid 4028] close(24) = -1 EBADF (Bad file descriptor) [pid 4028] close(25) = -1 EBADF (Bad file descriptor) [pid 4028] close(26) = -1 EBADF (Bad file descriptor) [pid 4028] close(27) = -1 EBADF (Bad file descriptor) [pid 4028] close(28) = -1 EBADF (Bad file descriptor) [pid 4028] close(29) = -1 EBADF (Bad file descriptor) [pid 4028] exit_group(0) = ? [pid 4028] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./422", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./422", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./422/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./422/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./422/binderfs") = 0 [pid 3605] umount2("./422/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./422/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./422/cgroup") = 0 [pid 3605] umount2("./422/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./422/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./422/cgroup.net") = 0 [pid 3605] umount2("./422/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./422/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./422/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./422") = 0 [pid 3605] mkdir("./423", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4029 attached , child_tidptr=0x555556c0f5d0) = 425 [pid 4029] chdir("./423") = 0 [pid 4029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4029] setpgid(0, 0) = 0 [pid 4029] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4029] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4029] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4029] write(3, "1000", 4) = 4 [pid 4029] close(3) = 0 [pid 4029] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4029] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4029] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4029] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4029] openat(3, "freezer.state", O_RDWR) = 4 [pid 4029] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4029] close(3) = 0 [pid 4029] close(4) = 0 [pid 4029] close(5) = -1 EBADF (Bad file descriptor) [pid 4029] close(6) = -1 EBADF (Bad file descriptor) [pid 4029] close(7) = -1 EBADF (Bad file descriptor) [pid 4029] close(8) = -1 EBADF (Bad file descriptor) [pid 4029] close(9) = -1 EBADF (Bad file descriptor) [pid 4029] close(10) = -1 EBADF (Bad file descriptor) [pid 4029] close(11) = -1 EBADF (Bad file descriptor) [pid 4029] close(12) = -1 EBADF (Bad file descriptor) [pid 4029] close(13) = -1 EBADF (Bad file descriptor) [pid 4029] close(14) = -1 EBADF (Bad file descriptor) [pid 4029] close(15) = -1 EBADF (Bad file descriptor) [pid 4029] close(16) = -1 EBADF (Bad file descriptor) [pid 4029] close(17) = -1 EBADF (Bad file descriptor) [pid 4029] close(18) = -1 EBADF (Bad file descriptor) [pid 4029] close(19) = -1 EBADF (Bad file descriptor) [pid 4029] close(20) = -1 EBADF (Bad file descriptor) [pid 4029] close(21) = -1 EBADF (Bad file descriptor) [pid 4029] close(22) = -1 EBADF (Bad file descriptor) [pid 4029] close(23) = -1 EBADF (Bad file descriptor) [pid 4029] close(24) = -1 EBADF (Bad file descriptor) [pid 4029] close(25) = -1 EBADF (Bad file descriptor) [pid 4029] close(26) = -1 EBADF (Bad file descriptor) [pid 4029] close(27) = -1 EBADF (Bad file descriptor) [pid 4029] close(28) = -1 EBADF (Bad file descriptor) [pid 4029] close(29) = -1 EBADF (Bad file descriptor) [pid 4029] exit_group(0) = ? [pid 4029] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./423", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./423", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./423/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./423/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./423/binderfs") = 0 [pid 3605] umount2("./423/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./423/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./423/cgroup") = 0 [pid 3605] umount2("./423/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./423/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./423/cgroup.net") = 0 [pid 3605] umount2("./423/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./423/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./423/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./423") = 0 [pid 3605] mkdir("./424", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4030 attached , child_tidptr=0x555556c0f5d0) = 426 [pid 4030] chdir("./424") = 0 [pid 4030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4030] setpgid(0, 0) = 0 [pid 4030] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4030] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4030] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4030] write(3, "1000", 4) = 4 [pid 4030] close(3) = 0 [pid 4030] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4030] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4030] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4030] openat(3, "freezer.state", O_RDWR) = 4 [pid 4030] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4030] close(3) = 0 [pid 4030] close(4) = 0 [pid 4030] close(5) = -1 EBADF (Bad file descriptor) [pid 4030] close(6) = -1 EBADF (Bad file descriptor) [pid 4030] close(7) = -1 EBADF (Bad file descriptor) [pid 4030] close(8) = -1 EBADF (Bad file descriptor) [pid 4030] close(9) = -1 EBADF (Bad file descriptor) [pid 4030] close(10) = -1 EBADF (Bad file descriptor) [pid 4030] close(11) = -1 EBADF (Bad file descriptor) [pid 4030] close(12) = -1 EBADF (Bad file descriptor) [pid 4030] close(13) = -1 EBADF (Bad file descriptor) [pid 4030] close(14) = -1 EBADF (Bad file descriptor) [pid 4030] close(15) = -1 EBADF (Bad file descriptor) [pid 4030] close(16) = -1 EBADF (Bad file descriptor) [pid 4030] close(17) = -1 EBADF (Bad file descriptor) [pid 4030] close(18) = -1 EBADF (Bad file descriptor) [pid 4030] close(19) = -1 EBADF (Bad file descriptor) [pid 4030] close(20) = -1 EBADF (Bad file descriptor) [pid 4030] close(21) = -1 EBADF (Bad file descriptor) [pid 4030] close(22) = -1 EBADF (Bad file descriptor) [pid 4030] close(23) = -1 EBADF (Bad file descriptor) [pid 4030] close(24) = -1 EBADF (Bad file descriptor) [pid 4030] close(25) = -1 EBADF (Bad file descriptor) [pid 4030] close(26) = -1 EBADF (Bad file descriptor) [pid 4030] close(27) = -1 EBADF (Bad file descriptor) [pid 4030] close(28) = -1 EBADF (Bad file descriptor) [pid 4030] close(29) = -1 EBADF (Bad file descriptor) [pid 4030] exit_group(0) = ? [pid 4030] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./424", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./424", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./424/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./424/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./424/binderfs") = 0 [pid 3605] umount2("./424/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./424/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./424/cgroup") = 0 [pid 3605] umount2("./424/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./424/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./424/cgroup.net") = 0 [pid 3605] umount2("./424/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./424/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./424/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./424") = 0 [pid 3605] mkdir("./425", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4031 attached , child_tidptr=0x555556c0f5d0) = 427 [pid 4031] chdir("./425") = 0 [pid 4031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4031] setpgid(0, 0) = 0 [pid 4031] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4031] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4031] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4031] write(3, "1000", 4) = 4 [pid 4031] close(3) = 0 [pid 4031] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4031] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4031] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4031] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4031] openat(3, "freezer.state", O_RDWR) = 4 [pid 4031] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4031] close(3) = 0 [pid 4031] close(4) = 0 [pid 4031] close(5) = -1 EBADF (Bad file descriptor) [pid 4031] close(6) = -1 EBADF (Bad file descriptor) [pid 4031] close(7) = -1 EBADF (Bad file descriptor) [pid 4031] close(8) = -1 EBADF (Bad file descriptor) [pid 4031] close(9) = -1 EBADF (Bad file descriptor) [pid 4031] close(10) = -1 EBADF (Bad file descriptor) [pid 4031] close(11) = -1 EBADF (Bad file descriptor) [pid 4031] close(12) = -1 EBADF (Bad file descriptor) [pid 4031] close(13) = -1 EBADF (Bad file descriptor) [pid 4031] close(14) = -1 EBADF (Bad file descriptor) [pid 4031] close(15) = -1 EBADF (Bad file descriptor) [pid 4031] close(16) = -1 EBADF (Bad file descriptor) [pid 4031] close(17) = -1 EBADF (Bad file descriptor) [pid 4031] close(18) = -1 EBADF (Bad file descriptor) [pid 4031] close(19) = -1 EBADF (Bad file descriptor) [pid 4031] close(20) = -1 EBADF (Bad file descriptor) [pid 4031] close(21) = -1 EBADF (Bad file descriptor) [pid 4031] close(22) = -1 EBADF (Bad file descriptor) [pid 4031] close(23) = -1 EBADF (Bad file descriptor) [pid 4031] close(24) = -1 EBADF (Bad file descriptor) [pid 4031] close(25) = -1 EBADF (Bad file descriptor) [pid 4031] close(26) = -1 EBADF (Bad file descriptor) [pid 4031] close(27) = -1 EBADF (Bad file descriptor) [pid 4031] close(28) = -1 EBADF (Bad file descriptor) [pid 4031] close(29) = -1 EBADF (Bad file descriptor) [pid 4031] exit_group(0) = ? [pid 4031] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./425", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./425", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./425/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./425/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./425/binderfs") = 0 [pid 3605] umount2("./425/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./425/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./425/cgroup") = 0 [pid 3605] umount2("./425/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./425/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./425/cgroup.net") = 0 [pid 3605] umount2("./425/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./425/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./425/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./425") = 0 [pid 3605] mkdir("./426", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 428 ./strace-static-x86_64: Process 4032 attached [pid 4032] chdir("./426") = 0 [pid 4032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4032] setpgid(0, 0) = 0 [pid 4032] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4032] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4032] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4032] write(3, "1000", 4) = 4 [pid 4032] close(3) = 0 [pid 4032] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4032] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4032] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4032] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4032] openat(3, "freezer.state", O_RDWR) = 4 [pid 4032] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4032] close(3) = 0 [pid 4032] close(4) = 0 [pid 4032] close(5) = -1 EBADF (Bad file descriptor) [pid 4032] close(6) = -1 EBADF (Bad file descriptor) [pid 4032] close(7) = -1 EBADF (Bad file descriptor) [pid 4032] close(8) = -1 EBADF (Bad file descriptor) [pid 4032] close(9) = -1 EBADF (Bad file descriptor) [pid 4032] close(10) = -1 EBADF (Bad file descriptor) [pid 4032] close(11) = -1 EBADF (Bad file descriptor) [pid 4032] close(12) = -1 EBADF (Bad file descriptor) [pid 4032] close(13) = -1 EBADF (Bad file descriptor) [pid 4032] close(14) = -1 EBADF (Bad file descriptor) [pid 4032] close(15) = -1 EBADF (Bad file descriptor) [pid 4032] close(16) = -1 EBADF (Bad file descriptor) [pid 4032] close(17) = -1 EBADF (Bad file descriptor) [pid 4032] close(18) = -1 EBADF (Bad file descriptor) [pid 4032] close(19) = -1 EBADF (Bad file descriptor) [pid 4032] close(20) = -1 EBADF (Bad file descriptor) [pid 4032] close(21) = -1 EBADF (Bad file descriptor) [pid 4032] close(22) = -1 EBADF (Bad file descriptor) [pid 4032] close(23) = -1 EBADF (Bad file descriptor) [pid 4032] close(24) = -1 EBADF (Bad file descriptor) [pid 4032] close(25) = -1 EBADF (Bad file descriptor) [pid 4032] close(26) = -1 EBADF (Bad file descriptor) [pid 4032] close(27) = -1 EBADF (Bad file descriptor) [pid 4032] close(28) = -1 EBADF (Bad file descriptor) [pid 4032] close(29) = -1 EBADF (Bad file descriptor) [pid 4032] exit_group(0) = ? [pid 4032] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./426", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./426", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./426/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./426/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./426/binderfs") = 0 [pid 3605] umount2("./426/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./426/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./426/cgroup") = 0 [pid 3605] umount2("./426/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./426/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./426/cgroup.net") = 0 [pid 3605] umount2("./426/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./426/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./426/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./426") = 0 [pid 3605] mkdir("./427", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4033 attached [pid 4033] chdir("./427") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 429 [pid 4033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4033] setpgid(0, 0) = 0 [pid 4033] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4033] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4033] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4033] write(3, "1000", 4) = 4 [pid 4033] close(3) = 0 [pid 4033] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4033] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4033] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4033] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4033] openat(3, "freezer.state", O_RDWR) = 4 [pid 4033] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4033] close(3) = 0 [pid 4033] close(4) = 0 [pid 4033] close(5) = -1 EBADF (Bad file descriptor) [pid 4033] close(6) = -1 EBADF (Bad file descriptor) [pid 4033] close(7) = -1 EBADF (Bad file descriptor) [pid 4033] close(8) = -1 EBADF (Bad file descriptor) [pid 4033] close(9) = -1 EBADF (Bad file descriptor) [pid 4033] close(10) = -1 EBADF (Bad file descriptor) [pid 4033] close(11) = -1 EBADF (Bad file descriptor) [pid 4033] close(12) = -1 EBADF (Bad file descriptor) [pid 4033] close(13) = -1 EBADF (Bad file descriptor) [pid 4033] close(14) = -1 EBADF (Bad file descriptor) [pid 4033] close(15) = -1 EBADF (Bad file descriptor) [pid 4033] close(16) = -1 EBADF (Bad file descriptor) [pid 4033] close(17) = -1 EBADF (Bad file descriptor) [pid 4033] close(18) = -1 EBADF (Bad file descriptor) [pid 4033] close(19) = -1 EBADF (Bad file descriptor) [pid 4033] close(20) = -1 EBADF (Bad file descriptor) [pid 4033] close(21) = -1 EBADF (Bad file descriptor) [pid 4033] close(22) = -1 EBADF (Bad file descriptor) [pid 4033] close(23) = -1 EBADF (Bad file descriptor) [pid 4033] close(24) = -1 EBADF (Bad file descriptor) [pid 4033] close(25) = -1 EBADF (Bad file descriptor) [pid 4033] close(26) = -1 EBADF (Bad file descriptor) [pid 4033] close(27) = -1 EBADF (Bad file descriptor) [pid 4033] close(28) = -1 EBADF (Bad file descriptor) [pid 4033] close(29) = -1 EBADF (Bad file descriptor) [pid 4033] exit_group(0) = ? [pid 4033] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=429, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./427", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./427", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./427/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./427/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./427/binderfs") = 0 [pid 3605] umount2("./427/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./427/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./427/cgroup") = 0 [pid 3605] umount2("./427/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./427/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./427/cgroup.net") = 0 [pid 3605] umount2("./427/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./427/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./427/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./427") = 0 [pid 3605] mkdir("./428", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4034 attached [pid 4034] chdir("./428" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 430 [pid 4034] <... chdir resumed>) = 0 [pid 4034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4034] setpgid(0, 0) = 0 [pid 4034] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4034] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4034] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4034] write(3, "1000", 4) = 4 [pid 4034] close(3) = 0 [pid 4034] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4034] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4034] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4034] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4034] openat(3, "freezer.state", O_RDWR) = 4 [pid 4034] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4034] close(3) = 0 [pid 4034] close(4) = 0 [pid 4034] close(5) = -1 EBADF (Bad file descriptor) [pid 4034] close(6) = -1 EBADF (Bad file descriptor) [pid 4034] close(7) = -1 EBADF (Bad file descriptor) [pid 4034] close(8) = -1 EBADF (Bad file descriptor) [pid 4034] close(9) = -1 EBADF (Bad file descriptor) [pid 4034] close(10) = -1 EBADF (Bad file descriptor) [pid 4034] close(11) = -1 EBADF (Bad file descriptor) [pid 4034] close(12) = -1 EBADF (Bad file descriptor) [pid 4034] close(13) = -1 EBADF (Bad file descriptor) [pid 4034] close(14) = -1 EBADF (Bad file descriptor) [pid 4034] close(15) = -1 EBADF (Bad file descriptor) [pid 4034] close(16) = -1 EBADF (Bad file descriptor) [pid 4034] close(17) = -1 EBADF (Bad file descriptor) [pid 4034] close(18) = -1 EBADF (Bad file descriptor) [pid 4034] close(19) = -1 EBADF (Bad file descriptor) [pid 4034] close(20) = -1 EBADF (Bad file descriptor) [pid 4034] close(21) = -1 EBADF (Bad file descriptor) [pid 4034] close(22) = -1 EBADF (Bad file descriptor) [pid 4034] close(23) = -1 EBADF (Bad file descriptor) [pid 4034] close(24) = -1 EBADF (Bad file descriptor) [pid 4034] close(25) = -1 EBADF (Bad file descriptor) [pid 4034] close(26) = -1 EBADF (Bad file descriptor) [pid 4034] close(27) = -1 EBADF (Bad file descriptor) [pid 4034] close(28) = -1 EBADF (Bad file descriptor) [pid 4034] close(29) = -1 EBADF (Bad file descriptor) [pid 4034] exit_group(0) = ? [pid 4034] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./428", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./428", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./428/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./428/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./428/binderfs") = 0 [pid 3605] umount2("./428/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./428/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./428/cgroup") = 0 [pid 3605] umount2("./428/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./428/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./428/cgroup.net") = 0 [pid 3605] umount2("./428/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./428/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./428/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./428") = 0 [pid 3605] mkdir("./429", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4035 attached [pid 4035] chdir("./429") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 431 [pid 4035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4035] setpgid(0, 0) = 0 [pid 4035] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4035] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4035] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4035] write(3, "1000", 4) = 4 [pid 4035] close(3) = 0 [pid 4035] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4035] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4035] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4035] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4035] openat(3, "freezer.state", O_RDWR) = 4 [pid 4035] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4035] close(3) = 0 [pid 4035] close(4) = 0 [pid 4035] close(5) = -1 EBADF (Bad file descriptor) [pid 4035] close(6) = -1 EBADF (Bad file descriptor) [pid 4035] close(7) = -1 EBADF (Bad file descriptor) [pid 4035] close(8) = -1 EBADF (Bad file descriptor) [pid 4035] close(9) = -1 EBADF (Bad file descriptor) [pid 4035] close(10) = -1 EBADF (Bad file descriptor) [pid 4035] close(11) = -1 EBADF (Bad file descriptor) [pid 4035] close(12) = -1 EBADF (Bad file descriptor) [pid 4035] close(13) = -1 EBADF (Bad file descriptor) [pid 4035] close(14) = -1 EBADF (Bad file descriptor) [pid 4035] close(15) = -1 EBADF (Bad file descriptor) [pid 4035] close(16) = -1 EBADF (Bad file descriptor) [pid 4035] close(17) = -1 EBADF (Bad file descriptor) [pid 4035] close(18) = -1 EBADF (Bad file descriptor) [pid 4035] close(19) = -1 EBADF (Bad file descriptor) [pid 4035] close(20) = -1 EBADF (Bad file descriptor) [pid 4035] close(21) = -1 EBADF (Bad file descriptor) [pid 4035] close(22) = -1 EBADF (Bad file descriptor) [pid 4035] close(23) = -1 EBADF (Bad file descriptor) [pid 4035] close(24) = -1 EBADF (Bad file descriptor) [pid 4035] close(25) = -1 EBADF (Bad file descriptor) [pid 4035] close(26) = -1 EBADF (Bad file descriptor) [pid 4035] close(27) = -1 EBADF (Bad file descriptor) [pid 4035] close(28) = -1 EBADF (Bad file descriptor) [pid 4035] close(29) = -1 EBADF (Bad file descriptor) [pid 4035] exit_group(0) = ? [pid 4035] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./429", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./429", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./429/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./429/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./429/binderfs") = 0 [pid 3605] umount2("./429/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./429/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./429/cgroup") = 0 [pid 3605] umount2("./429/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./429/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./429/cgroup.net") = 0 [pid 3605] umount2("./429/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./429/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./429/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./429") = 0 [pid 3605] mkdir("./430", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4036 attached [pid 4036] chdir("./430") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 432 [pid 4036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4036] setpgid(0, 0) = 0 [pid 4036] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4036] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4036] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4036] write(3, "1000", 4) = 4 [pid 4036] close(3) = 0 [pid 4036] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4036] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4036] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4036] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4036] openat(3, "freezer.state", O_RDWR) = 4 [pid 4036] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4036] close(3) = 0 [pid 4036] close(4) = 0 [pid 4036] close(5) = -1 EBADF (Bad file descriptor) [pid 4036] close(6) = -1 EBADF (Bad file descriptor) [pid 4036] close(7) = -1 EBADF (Bad file descriptor) [pid 4036] close(8) = -1 EBADF (Bad file descriptor) [pid 4036] close(9) = -1 EBADF (Bad file descriptor) [pid 4036] close(10) = -1 EBADF (Bad file descriptor) [pid 4036] close(11) = -1 EBADF (Bad file descriptor) [pid 4036] close(12) = -1 EBADF (Bad file descriptor) [pid 4036] close(13) = -1 EBADF (Bad file descriptor) [pid 4036] close(14) = -1 EBADF (Bad file descriptor) [pid 4036] close(15) = -1 EBADF (Bad file descriptor) [pid 4036] close(16) = -1 EBADF (Bad file descriptor) [pid 4036] close(17) = -1 EBADF (Bad file descriptor) [pid 4036] close(18) = -1 EBADF (Bad file descriptor) [pid 4036] close(19) = -1 EBADF (Bad file descriptor) [pid 4036] close(20) = -1 EBADF (Bad file descriptor) [pid 4036] close(21) = -1 EBADF (Bad file descriptor) [pid 4036] close(22) = -1 EBADF (Bad file descriptor) [pid 4036] close(23) = -1 EBADF (Bad file descriptor) [pid 4036] close(24) = -1 EBADF (Bad file descriptor) [pid 4036] close(25) = -1 EBADF (Bad file descriptor) [pid 4036] close(26) = -1 EBADF (Bad file descriptor) [pid 4036] close(27) = -1 EBADF (Bad file descriptor) [pid 4036] close(28) = -1 EBADF (Bad file descriptor) [pid 4036] close(29) = -1 EBADF (Bad file descriptor) [pid 4036] exit_group(0) = ? [pid 4036] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./430", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./430", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./430/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./430/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./430/binderfs") = 0 [pid 3605] umount2("./430/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./430/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./430/cgroup") = 0 [pid 3605] umount2("./430/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./430/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./430/cgroup.net") = 0 [pid 3605] umount2("./430/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./430/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./430/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./430") = 0 [pid 3605] mkdir("./431", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 433 ./strace-static-x86_64: Process 4037 attached [pid 4037] chdir("./431") = 0 [pid 4037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4037] setpgid(0, 0) = 0 [pid 4037] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4037] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4037] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4037] write(3, "1000", 4) = 4 [pid 4037] close(3) = 0 [pid 4037] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4037] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4037] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4037] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4037] openat(3, "freezer.state", O_RDWR) = 4 [pid 4037] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4037] close(3) = 0 [pid 4037] close(4) = 0 [pid 4037] close(5) = -1 EBADF (Bad file descriptor) [pid 4037] close(6) = -1 EBADF (Bad file descriptor) [pid 4037] close(7) = -1 EBADF (Bad file descriptor) [pid 4037] close(8) = -1 EBADF (Bad file descriptor) [pid 4037] close(9) = -1 EBADF (Bad file descriptor) [pid 4037] close(10) = -1 EBADF (Bad file descriptor) [pid 4037] close(11) = -1 EBADF (Bad file descriptor) [pid 4037] close(12) = -1 EBADF (Bad file descriptor) [pid 4037] close(13) = -1 EBADF (Bad file descriptor) [pid 4037] close(14) = -1 EBADF (Bad file descriptor) [pid 4037] close(15) = -1 EBADF (Bad file descriptor) [pid 4037] close(16) = -1 EBADF (Bad file descriptor) [pid 4037] close(17) = -1 EBADF (Bad file descriptor) [pid 4037] close(18) = -1 EBADF (Bad file descriptor) [pid 4037] close(19) = -1 EBADF (Bad file descriptor) [pid 4037] close(20) = -1 EBADF (Bad file descriptor) [pid 4037] close(21) = -1 EBADF (Bad file descriptor) [pid 4037] close(22) = -1 EBADF (Bad file descriptor) [pid 4037] close(23) = -1 EBADF (Bad file descriptor) [pid 4037] close(24) = -1 EBADF (Bad file descriptor) [pid 4037] close(25) = -1 EBADF (Bad file descriptor) [pid 4037] close(26) = -1 EBADF (Bad file descriptor) [pid 4037] close(27) = -1 EBADF (Bad file descriptor) [pid 4037] close(28) = -1 EBADF (Bad file descriptor) [pid 4037] close(29) = -1 EBADF (Bad file descriptor) [pid 4037] exit_group(0) = ? [pid 4037] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./431", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./431", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./431/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./431/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./431/binderfs") = 0 [pid 3605] umount2("./431/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./431/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./431/cgroup") = 0 [pid 3605] umount2("./431/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./431/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./431/cgroup.net") = 0 [pid 3605] umount2("./431/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./431/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./431/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./431") = 0 [pid 3605] mkdir("./432", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 434 ./strace-static-x86_64: Process 4038 attached [pid 4038] chdir("./432") = 0 [pid 4038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4038] setpgid(0, 0) = 0 [pid 4038] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4038] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4038] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4038] write(3, "1000", 4) = 4 [pid 4038] close(3) = 0 [pid 4038] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4038] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4038] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4038] openat(3, "freezer.state", O_RDWR) = 4 [pid 4038] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4038] close(3) = 0 [pid 4038] close(4) = 0 [pid 4038] close(5) = -1 EBADF (Bad file descriptor) [pid 4038] close(6) = -1 EBADF (Bad file descriptor) [pid 4038] close(7) = -1 EBADF (Bad file descriptor) [pid 4038] close(8) = -1 EBADF (Bad file descriptor) [pid 4038] close(9) = -1 EBADF (Bad file descriptor) [pid 4038] close(10) = -1 EBADF (Bad file descriptor) [pid 4038] close(11) = -1 EBADF (Bad file descriptor) [pid 4038] close(12) = -1 EBADF (Bad file descriptor) [pid 4038] close(13) = -1 EBADF (Bad file descriptor) [pid 4038] close(14) = -1 EBADF (Bad file descriptor) [pid 4038] close(15) = -1 EBADF (Bad file descriptor) [pid 4038] close(16) = -1 EBADF (Bad file descriptor) [pid 4038] close(17) = -1 EBADF (Bad file descriptor) [pid 4038] close(18) = -1 EBADF (Bad file descriptor) [pid 4038] close(19) = -1 EBADF (Bad file descriptor) [pid 4038] close(20) = -1 EBADF (Bad file descriptor) [pid 4038] close(21) = -1 EBADF (Bad file descriptor) [pid 4038] close(22) = -1 EBADF (Bad file descriptor) [pid 4038] close(23) = -1 EBADF (Bad file descriptor) [pid 4038] close(24) = -1 EBADF (Bad file descriptor) [pid 4038] close(25) = -1 EBADF (Bad file descriptor) [pid 4038] close(26) = -1 EBADF (Bad file descriptor) [pid 4038] close(27) = -1 EBADF (Bad file descriptor) [pid 4038] close(28) = -1 EBADF (Bad file descriptor) [pid 4038] close(29) = -1 EBADF (Bad file descriptor) [pid 4038] exit_group(0) = ? [pid 4038] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./432", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./432", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./432/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./432/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./432/binderfs") = 0 [pid 3605] umount2("./432/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./432/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./432/cgroup") = 0 [pid 3605] umount2("./432/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./432/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./432/cgroup.net") = 0 [pid 3605] umount2("./432/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./432/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./432/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./432") = 0 [pid 3605] mkdir("./433", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4039 attached , child_tidptr=0x555556c0f5d0) = 435 [pid 4039] chdir("./433") = 0 [pid 4039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4039] setpgid(0, 0) = 0 [pid 4039] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4039] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4039] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4039] write(3, "1000", 4) = 4 [pid 4039] close(3) = 0 [pid 4039] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4039] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4039] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4039] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4039] openat(3, "freezer.state", O_RDWR) = 4 [pid 4039] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4039] close(3) = 0 [pid 4039] close(4) = 0 [pid 4039] close(5) = -1 EBADF (Bad file descriptor) [pid 4039] close(6) = -1 EBADF (Bad file descriptor) [pid 4039] close(7) = -1 EBADF (Bad file descriptor) [pid 4039] close(8) = -1 EBADF (Bad file descriptor) [pid 4039] close(9) = -1 EBADF (Bad file descriptor) [pid 4039] close(10) = -1 EBADF (Bad file descriptor) [pid 4039] close(11) = -1 EBADF (Bad file descriptor) [pid 4039] close(12) = -1 EBADF (Bad file descriptor) [pid 4039] close(13) = -1 EBADF (Bad file descriptor) [pid 4039] close(14) = -1 EBADF (Bad file descriptor) [pid 4039] close(15) = -1 EBADF (Bad file descriptor) [pid 4039] close(16) = -1 EBADF (Bad file descriptor) [pid 4039] close(17) = -1 EBADF (Bad file descriptor) [pid 4039] close(18) = -1 EBADF (Bad file descriptor) [pid 4039] close(19) = -1 EBADF (Bad file descriptor) [pid 4039] close(20) = -1 EBADF (Bad file descriptor) [pid 4039] close(21) = -1 EBADF (Bad file descriptor) [pid 4039] close(22) = -1 EBADF (Bad file descriptor) [pid 4039] close(23) = -1 EBADF (Bad file descriptor) [pid 4039] close(24) = -1 EBADF (Bad file descriptor) [pid 4039] close(25) = -1 EBADF (Bad file descriptor) [pid 4039] close(26) = -1 EBADF (Bad file descriptor) [pid 4039] close(27) = -1 EBADF (Bad file descriptor) [pid 4039] close(28) = -1 EBADF (Bad file descriptor) [pid 4039] close(29) = -1 EBADF (Bad file descriptor) [pid 4039] exit_group(0) = ? [pid 4039] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./433", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./433", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./433/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./433/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./433/binderfs") = 0 [pid 3605] umount2("./433/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./433/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./433/cgroup") = 0 [pid 3605] umount2("./433/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./433/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./433/cgroup.net") = 0 [pid 3605] umount2("./433/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./433/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./433/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./433") = 0 [pid 3605] mkdir("./434", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 436 ./strace-static-x86_64: Process 4040 attached [pid 4040] chdir("./434") = 0 [pid 4040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4040] setpgid(0, 0) = 0 [pid 4040] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4040] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4040] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4040] write(3, "1000", 4) = 4 [pid 4040] close(3) = 0 [pid 4040] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4040] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4040] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4040] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4040] openat(3, "freezer.state", O_RDWR) = 4 [pid 4040] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4040] close(3) = 0 [pid 4040] close(4) = 0 [pid 4040] close(5) = -1 EBADF (Bad file descriptor) [pid 4040] close(6) = -1 EBADF (Bad file descriptor) [pid 4040] close(7) = -1 EBADF (Bad file descriptor) [pid 4040] close(8) = -1 EBADF (Bad file descriptor) [pid 4040] close(9) = -1 EBADF (Bad file descriptor) [pid 4040] close(10) = -1 EBADF (Bad file descriptor) [pid 4040] close(11) = -1 EBADF (Bad file descriptor) [pid 4040] close(12) = -1 EBADF (Bad file descriptor) [pid 4040] close(13) = -1 EBADF (Bad file descriptor) [pid 4040] close(14) = -1 EBADF (Bad file descriptor) [pid 4040] close(15) = -1 EBADF (Bad file descriptor) [pid 4040] close(16) = -1 EBADF (Bad file descriptor) [pid 4040] close(17) = -1 EBADF (Bad file descriptor) [pid 4040] close(18) = -1 EBADF (Bad file descriptor) [pid 4040] close(19) = -1 EBADF (Bad file descriptor) [pid 4040] close(20) = -1 EBADF (Bad file descriptor) [pid 4040] close(21) = -1 EBADF (Bad file descriptor) [pid 4040] close(22) = -1 EBADF (Bad file descriptor) [pid 4040] close(23) = -1 EBADF (Bad file descriptor) [pid 4040] close(24) = -1 EBADF (Bad file descriptor) [pid 4040] close(25) = -1 EBADF (Bad file descriptor) [pid 4040] close(26) = -1 EBADF (Bad file descriptor) [pid 4040] close(27) = -1 EBADF (Bad file descriptor) [pid 4040] close(28) = -1 EBADF (Bad file descriptor) [pid 4040] close(29) = -1 EBADF (Bad file descriptor) [pid 4040] exit_group(0) = ? [pid 4040] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 3605] umount2("./434", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./434", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./434/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./434/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./434/binderfs") = 0 [pid 3605] umount2("./434/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./434/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./434/cgroup") = 0 [pid 3605] umount2("./434/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./434/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./434/cgroup.net") = 0 [pid 3605] umount2("./434/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./434/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./434/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./434") = 0 [pid 3605] mkdir("./435", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 437 ./strace-static-x86_64: Process 4041 attached [pid 4041] chdir("./435") = 0 [pid 4041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4041] setpgid(0, 0) = 0 [pid 4041] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4041] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4041] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4041] write(3, "1000", 4) = 4 [pid 4041] close(3) = 0 [pid 4041] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4041] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4041] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4041] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4041] openat(3, "freezer.state", O_RDWR) = 4 [pid 4041] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4041] close(3) = 0 [pid 4041] close(4) = 0 [pid 4041] close(5) = -1 EBADF (Bad file descriptor) [pid 4041] close(6) = -1 EBADF (Bad file descriptor) [pid 4041] close(7) = -1 EBADF (Bad file descriptor) [pid 4041] close(8) = -1 EBADF (Bad file descriptor) [pid 4041] close(9) = -1 EBADF (Bad file descriptor) [pid 4041] close(10) = -1 EBADF (Bad file descriptor) [pid 4041] close(11) = -1 EBADF (Bad file descriptor) [pid 4041] close(12) = -1 EBADF (Bad file descriptor) [pid 4041] close(13) = -1 EBADF (Bad file descriptor) [pid 4041] close(14) = -1 EBADF (Bad file descriptor) [pid 4041] close(15) = -1 EBADF (Bad file descriptor) [pid 4041] close(16) = -1 EBADF (Bad file descriptor) [pid 4041] close(17) = -1 EBADF (Bad file descriptor) [pid 4041] close(18) = -1 EBADF (Bad file descriptor) [pid 4041] close(19) = -1 EBADF (Bad file descriptor) [pid 4041] close(20) = -1 EBADF (Bad file descriptor) [pid 4041] close(21) = -1 EBADF (Bad file descriptor) [pid 4041] close(22) = -1 EBADF (Bad file descriptor) [pid 4041] close(23) = -1 EBADF (Bad file descriptor) [pid 4041] close(24) = -1 EBADF (Bad file descriptor) [pid 4041] close(25) = -1 EBADF (Bad file descriptor) [pid 4041] close(26) = -1 EBADF (Bad file descriptor) [pid 4041] close(27) = -1 EBADF (Bad file descriptor) [pid 4041] close(28) = -1 EBADF (Bad file descriptor) [pid 4041] close(29) = -1 EBADF (Bad file descriptor) [pid 4041] exit_group(0) = ? [pid 4041] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./435", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./435", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./435/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./435/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./435/binderfs") = 0 [pid 3605] umount2("./435/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./435/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./435/cgroup") = 0 [pid 3605] umount2("./435/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./435/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./435/cgroup.net") = 0 [pid 3605] umount2("./435/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./435/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./435/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./435") = 0 [pid 3605] mkdir("./436", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4042 attached [pid 4042] chdir("./436") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 438 [pid 4042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4042] setpgid(0, 0) = 0 [pid 4042] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4042] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4042] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4042] write(3, "1000", 4) = 4 [pid 4042] close(3) = 0 [pid 4042] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4042] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4042] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4042] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4042] openat(3, "freezer.state", O_RDWR) = 4 [pid 4042] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4042] close(3) = 0 [pid 4042] close(4) = 0 [pid 4042] close(5) = -1 EBADF (Bad file descriptor) [pid 4042] close(6) = -1 EBADF (Bad file descriptor) [pid 4042] close(7) = -1 EBADF (Bad file descriptor) [pid 4042] close(8) = -1 EBADF (Bad file descriptor) [pid 4042] close(9) = -1 EBADF (Bad file descriptor) [pid 4042] close(10) = -1 EBADF (Bad file descriptor) [pid 4042] close(11) = -1 EBADF (Bad file descriptor) [pid 4042] close(12) = -1 EBADF (Bad file descriptor) [pid 4042] close(13) = -1 EBADF (Bad file descriptor) [pid 4042] close(14) = -1 EBADF (Bad file descriptor) [pid 4042] close(15) = -1 EBADF (Bad file descriptor) [pid 4042] close(16) = -1 EBADF (Bad file descriptor) [pid 4042] close(17) = -1 EBADF (Bad file descriptor) [pid 4042] close(18) = -1 EBADF (Bad file descriptor) [pid 4042] close(19) = -1 EBADF (Bad file descriptor) [pid 4042] close(20) = -1 EBADF (Bad file descriptor) [pid 4042] close(21) = -1 EBADF (Bad file descriptor) [pid 4042] close(22) = -1 EBADF (Bad file descriptor) [pid 4042] close(23) = -1 EBADF (Bad file descriptor) [pid 4042] close(24) = -1 EBADF (Bad file descriptor) [pid 4042] close(25) = -1 EBADF (Bad file descriptor) [pid 4042] close(26) = -1 EBADF (Bad file descriptor) [pid 4042] close(27) = -1 EBADF (Bad file descriptor) [pid 4042] close(28) = -1 EBADF (Bad file descriptor) [pid 4042] close(29) = -1 EBADF (Bad file descriptor) [pid 4042] exit_group(0) = ? [pid 4042] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./436", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./436", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./436/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./436/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./436/binderfs") = 0 [pid 3605] umount2("./436/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./436/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./436/cgroup") = 0 [pid 3605] umount2("./436/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./436/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./436/cgroup.net") = 0 [pid 3605] umount2("./436/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./436/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./436/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./436") = 0 [pid 3605] mkdir("./437", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4043 attached [pid 4043] chdir("./437") = 0 [pid 4043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4043] setpgid(0, 0) = 0 [pid 4043] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 439 [pid 4043] <... symlink resumed>) = 0 [pid 4043] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4043] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4043] write(3, "1000", 4) = 4 [pid 4043] close(3) = 0 [pid 4043] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4043] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4043] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4043] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4043] openat(3, "freezer.state", O_RDWR) = 4 [pid 4043] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4043] close(3) = 0 [pid 4043] close(4) = 0 [pid 4043] close(5) = -1 EBADF (Bad file descriptor) [pid 4043] close(6) = -1 EBADF (Bad file descriptor) [pid 4043] close(7) = -1 EBADF (Bad file descriptor) [pid 4043] close(8) = -1 EBADF (Bad file descriptor) [pid 4043] close(9) = -1 EBADF (Bad file descriptor) [pid 4043] close(10) = -1 EBADF (Bad file descriptor) [pid 4043] close(11) = -1 EBADF (Bad file descriptor) [pid 4043] close(12) = -1 EBADF (Bad file descriptor) [pid 4043] close(13) = -1 EBADF (Bad file descriptor) [pid 4043] close(14) = -1 EBADF (Bad file descriptor) [pid 4043] close(15) = -1 EBADF (Bad file descriptor) [pid 4043] close(16) = -1 EBADF (Bad file descriptor) [pid 4043] close(17) = -1 EBADF (Bad file descriptor) [pid 4043] close(18) = -1 EBADF (Bad file descriptor) [pid 4043] close(19) = -1 EBADF (Bad file descriptor) [pid 4043] close(20) = -1 EBADF (Bad file descriptor) [pid 4043] close(21) = -1 EBADF (Bad file descriptor) [pid 4043] close(22) = -1 EBADF (Bad file descriptor) [pid 4043] close(23) = -1 EBADF (Bad file descriptor) [pid 4043] close(24) = -1 EBADF (Bad file descriptor) [pid 4043] close(25) = -1 EBADF (Bad file descriptor) [pid 4043] close(26) = -1 EBADF (Bad file descriptor) [pid 4043] close(27) = -1 EBADF (Bad file descriptor) [pid 4043] close(28) = -1 EBADF (Bad file descriptor) [pid 4043] close(29) = -1 EBADF (Bad file descriptor) [pid 4043] exit_group(0) = ? [pid 4043] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./437", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./437", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./437/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./437/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./437/binderfs") = 0 [pid 3605] umount2("./437/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./437/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./437/cgroup") = 0 [pid 3605] umount2("./437/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./437/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./437/cgroup.net") = 0 [pid 3605] umount2("./437/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./437/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./437/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./437") = 0 [pid 3605] mkdir("./438", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 440 ./strace-static-x86_64: Process 4044 attached [pid 4044] chdir("./438") = 0 [pid 4044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4044] setpgid(0, 0) = 0 [pid 4044] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4044] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4044] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4044] write(3, "1000", 4) = 4 [pid 4044] close(3) = 0 [pid 4044] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4044] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4044] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4044] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4044] openat(3, "freezer.state", O_RDWR) = 4 [pid 4044] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4044] close(3) = 0 [pid 4044] close(4) = 0 [pid 4044] close(5) = -1 EBADF (Bad file descriptor) [pid 4044] close(6) = -1 EBADF (Bad file descriptor) [pid 4044] close(7) = -1 EBADF (Bad file descriptor) [pid 4044] close(8) = -1 EBADF (Bad file descriptor) [pid 4044] close(9) = -1 EBADF (Bad file descriptor) [pid 4044] close(10) = -1 EBADF (Bad file descriptor) [pid 4044] close(11) = -1 EBADF (Bad file descriptor) [pid 4044] close(12) = -1 EBADF (Bad file descriptor) [pid 4044] close(13) = -1 EBADF (Bad file descriptor) [pid 4044] close(14) = -1 EBADF (Bad file descriptor) [pid 4044] close(15) = -1 EBADF (Bad file descriptor) [pid 4044] close(16) = -1 EBADF (Bad file descriptor) [pid 4044] close(17) = -1 EBADF (Bad file descriptor) [pid 4044] close(18) = -1 EBADF (Bad file descriptor) [pid 4044] close(19) = -1 EBADF (Bad file descriptor) [pid 4044] close(20) = -1 EBADF (Bad file descriptor) [pid 4044] close(21) = -1 EBADF (Bad file descriptor) [pid 4044] close(22) = -1 EBADF (Bad file descriptor) [pid 4044] close(23) = -1 EBADF (Bad file descriptor) [pid 4044] close(24) = -1 EBADF (Bad file descriptor) [pid 4044] close(25) = -1 EBADF (Bad file descriptor) [pid 4044] close(26) = -1 EBADF (Bad file descriptor) [pid 4044] close(27) = -1 EBADF (Bad file descriptor) [pid 4044] close(28) = -1 EBADF (Bad file descriptor) [pid 4044] close(29) = -1 EBADF (Bad file descriptor) [pid 4044] exit_group(0) = ? [pid 4044] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./438", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./438", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./438/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./438/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./438/binderfs") = 0 [pid 3605] umount2("./438/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./438/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./438/cgroup") = 0 [pid 3605] umount2("./438/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./438/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./438/cgroup.net") = 0 [pid 3605] umount2("./438/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./438/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./438/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./438") = 0 [pid 3605] mkdir("./439", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 441 ./strace-static-x86_64: Process 4045 attached [pid 4045] chdir("./439") = 0 [pid 4045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4045] setpgid(0, 0) = 0 [pid 4045] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4045] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4045] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4045] write(3, "1000", 4) = 4 [pid 4045] close(3) = 0 [pid 4045] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4045] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4045] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4045] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4045] openat(3, "freezer.state", O_RDWR) = 4 [pid 4045] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4045] close(3) = 0 [pid 4045] close(4) = 0 [pid 4045] close(5) = -1 EBADF (Bad file descriptor) [pid 4045] close(6) = -1 EBADF (Bad file descriptor) [pid 4045] close(7) = -1 EBADF (Bad file descriptor) [pid 4045] close(8) = -1 EBADF (Bad file descriptor) [pid 4045] close(9) = -1 EBADF (Bad file descriptor) [pid 4045] close(10) = -1 EBADF (Bad file descriptor) [pid 4045] close(11) = -1 EBADF (Bad file descriptor) [pid 4045] close(12) = -1 EBADF (Bad file descriptor) [pid 4045] close(13) = -1 EBADF (Bad file descriptor) [pid 4045] close(14) = -1 EBADF (Bad file descriptor) [pid 4045] close(15) = -1 EBADF (Bad file descriptor) [pid 4045] close(16) = -1 EBADF (Bad file descriptor) [pid 4045] close(17) = -1 EBADF (Bad file descriptor) [pid 4045] close(18) = -1 EBADF (Bad file descriptor) [pid 4045] close(19) = -1 EBADF (Bad file descriptor) [pid 4045] close(20) = -1 EBADF (Bad file descriptor) [pid 4045] close(21) = -1 EBADF (Bad file descriptor) [pid 4045] close(22) = -1 EBADF (Bad file descriptor) [pid 4045] close(23) = -1 EBADF (Bad file descriptor) [pid 4045] close(24) = -1 EBADF (Bad file descriptor) [pid 4045] close(25) = -1 EBADF (Bad file descriptor) [pid 4045] close(26) = -1 EBADF (Bad file descriptor) [pid 4045] close(27) = -1 EBADF (Bad file descriptor) [pid 4045] close(28) = -1 EBADF (Bad file descriptor) [pid 4045] close(29) = -1 EBADF (Bad file descriptor) [pid 4045] exit_group(0) = ? [pid 4045] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./439", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./439", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./439/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./439/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./439/binderfs") = 0 [pid 3605] umount2("./439/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./439/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./439/cgroup") = 0 [pid 3605] umount2("./439/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./439/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./439/cgroup.net") = 0 [pid 3605] umount2("./439/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./439/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./439/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./439") = 0 [pid 3605] mkdir("./440", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4046 attached [pid 4046] chdir("./440") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 442 [pid 4046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4046] setpgid(0, 0) = 0 [pid 4046] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4046] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4046] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4046] write(3, "1000", 4) = 4 [pid 4046] close(3) = 0 [pid 4046] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4046] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4046] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4046] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4046] openat(3, "freezer.state", O_RDWR) = 4 [pid 4046] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4046] close(3) = 0 [pid 4046] close(4) = 0 [pid 4046] close(5) = -1 EBADF (Bad file descriptor) [pid 4046] close(6) = -1 EBADF (Bad file descriptor) [pid 4046] close(7) = -1 EBADF (Bad file descriptor) [pid 4046] close(8) = -1 EBADF (Bad file descriptor) [pid 4046] close(9) = -1 EBADF (Bad file descriptor) [pid 4046] close(10) = -1 EBADF (Bad file descriptor) [pid 4046] close(11) = -1 EBADF (Bad file descriptor) [pid 4046] close(12) = -1 EBADF (Bad file descriptor) [pid 4046] close(13) = -1 EBADF (Bad file descriptor) [pid 4046] close(14) = -1 EBADF (Bad file descriptor) [pid 4046] close(15) = -1 EBADF (Bad file descriptor) [pid 4046] close(16) = -1 EBADF (Bad file descriptor) [pid 4046] close(17) = -1 EBADF (Bad file descriptor) [pid 4046] close(18) = -1 EBADF (Bad file descriptor) [pid 4046] close(19) = -1 EBADF (Bad file descriptor) [pid 4046] close(20) = -1 EBADF (Bad file descriptor) [pid 4046] close(21) = -1 EBADF (Bad file descriptor) [pid 4046] close(22) = -1 EBADF (Bad file descriptor) [pid 4046] close(23) = -1 EBADF (Bad file descriptor) [pid 4046] close(24) = -1 EBADF (Bad file descriptor) [pid 4046] close(25) = -1 EBADF (Bad file descriptor) [pid 4046] close(26) = -1 EBADF (Bad file descriptor) [pid 4046] close(27) = -1 EBADF (Bad file descriptor) [pid 4046] close(28) = -1 EBADF (Bad file descriptor) [pid 4046] close(29) = -1 EBADF (Bad file descriptor) [pid 4046] exit_group(0) = ? [pid 4046] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./440", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./440", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./440/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./440/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./440/binderfs") = 0 [pid 3605] umount2("./440/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./440/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./440/cgroup") = 0 [pid 3605] umount2("./440/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./440/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./440/cgroup.net") = 0 [pid 3605] umount2("./440/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./440/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./440/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./440") = 0 [pid 3605] mkdir("./441", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4047 attached [pid 4047] chdir("./441") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 443 [pid 4047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4047] setpgid(0, 0) = 0 [pid 4047] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4047] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4047] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4047] write(3, "1000", 4) = 4 [pid 4047] close(3) = 0 [pid 4047] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4047] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4047] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4047] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4047] openat(3, "freezer.state", O_RDWR) = 4 [pid 4047] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4047] close(3) = 0 [pid 4047] close(4) = 0 [pid 4047] close(5) = -1 EBADF (Bad file descriptor) [pid 4047] close(6) = -1 EBADF (Bad file descriptor) [pid 4047] close(7) = -1 EBADF (Bad file descriptor) [pid 4047] close(8) = -1 EBADF (Bad file descriptor) [pid 4047] close(9) = -1 EBADF (Bad file descriptor) [pid 4047] close(10) = -1 EBADF (Bad file descriptor) [pid 4047] close(11) = -1 EBADF (Bad file descriptor) [pid 4047] close(12) = -1 EBADF (Bad file descriptor) [pid 4047] close(13) = -1 EBADF (Bad file descriptor) [pid 4047] close(14) = -1 EBADF (Bad file descriptor) [pid 4047] close(15) = -1 EBADF (Bad file descriptor) [pid 4047] close(16) = -1 EBADF (Bad file descriptor) [pid 4047] close(17) = -1 EBADF (Bad file descriptor) [pid 4047] close(18) = -1 EBADF (Bad file descriptor) [pid 4047] close(19) = -1 EBADF (Bad file descriptor) [pid 4047] close(20) = -1 EBADF (Bad file descriptor) [pid 4047] close(21) = -1 EBADF (Bad file descriptor) [pid 4047] close(22) = -1 EBADF (Bad file descriptor) [pid 4047] close(23) = -1 EBADF (Bad file descriptor) [pid 4047] close(24) = -1 EBADF (Bad file descriptor) [pid 4047] close(25) = -1 EBADF (Bad file descriptor) [pid 4047] close(26) = -1 EBADF (Bad file descriptor) [pid 4047] close(27) = -1 EBADF (Bad file descriptor) [pid 4047] close(28) = -1 EBADF (Bad file descriptor) [pid 4047] close(29) = -1 EBADF (Bad file descriptor) [pid 4047] exit_group(0) = ? [pid 4047] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./441", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./441", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./441/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./441/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./441/binderfs") = 0 [pid 3605] umount2("./441/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./441/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./441/cgroup") = 0 [pid 3605] umount2("./441/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./441/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./441/cgroup.net") = 0 [pid 3605] umount2("./441/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./441/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./441/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./441") = 0 [pid 3605] mkdir("./442", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4048 attached [pid 4048] chdir("./442") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 444 [pid 4048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4048] setpgid(0, 0) = 0 [pid 4048] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4048] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4048] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4048] write(3, "1000", 4) = 4 [pid 4048] close(3) = 0 [pid 4048] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4048] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4048] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4048] openat(3, "freezer.state", O_RDWR) = 4 [pid 4048] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4048] close(3) = 0 [pid 4048] close(4) = 0 [pid 4048] close(5) = -1 EBADF (Bad file descriptor) [pid 4048] close(6) = -1 EBADF (Bad file descriptor) [pid 4048] close(7) = -1 EBADF (Bad file descriptor) [pid 4048] close(8) = -1 EBADF (Bad file descriptor) [pid 4048] close(9) = -1 EBADF (Bad file descriptor) [pid 4048] close(10) = -1 EBADF (Bad file descriptor) [pid 4048] close(11) = -1 EBADF (Bad file descriptor) [pid 4048] close(12) = -1 EBADF (Bad file descriptor) [pid 4048] close(13) = -1 EBADF (Bad file descriptor) [pid 4048] close(14) = -1 EBADF (Bad file descriptor) [pid 4048] close(15) = -1 EBADF (Bad file descriptor) [pid 4048] close(16) = -1 EBADF (Bad file descriptor) [pid 4048] close(17) = -1 EBADF (Bad file descriptor) [pid 4048] close(18) = -1 EBADF (Bad file descriptor) [pid 4048] close(19) = -1 EBADF (Bad file descriptor) [pid 4048] close(20) = -1 EBADF (Bad file descriptor) [pid 4048] close(21) = -1 EBADF (Bad file descriptor) [pid 4048] close(22) = -1 EBADF (Bad file descriptor) [pid 4048] close(23) = -1 EBADF (Bad file descriptor) [pid 4048] close(24) = -1 EBADF (Bad file descriptor) [pid 4048] close(25) = -1 EBADF (Bad file descriptor) [pid 4048] close(26) = -1 EBADF (Bad file descriptor) [pid 4048] close(27) = -1 EBADF (Bad file descriptor) [pid 4048] close(28) = -1 EBADF (Bad file descriptor) [pid 4048] close(29) = -1 EBADF (Bad file descriptor) [pid 4048] exit_group(0) = ? [pid 4048] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./442", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./442", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./442/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./442/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./442/binderfs") = 0 [pid 3605] umount2("./442/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./442/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./442/cgroup") = 0 [pid 3605] umount2("./442/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./442/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./442/cgroup.net") = 0 [pid 3605] umount2("./442/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./442/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./442/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./442") = 0 [pid 3605] mkdir("./443", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4049 attached [pid 4049] chdir("./443") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 445 [pid 4049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4049] setpgid(0, 0) = 0 [pid 4049] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4049] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4049] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4049] write(3, "1000", 4) = 4 [pid 4049] close(3) = 0 [pid 4049] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4049] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4049] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4049] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4049] openat(3, "freezer.state", O_RDWR) = 4 [pid 4049] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4049] close(3) = 0 [pid 4049] close(4) = 0 [pid 4049] close(5) = -1 EBADF (Bad file descriptor) [pid 4049] close(6) = -1 EBADF (Bad file descriptor) [pid 4049] close(7) = -1 EBADF (Bad file descriptor) [pid 4049] close(8) = -1 EBADF (Bad file descriptor) [pid 4049] close(9) = -1 EBADF (Bad file descriptor) [pid 4049] close(10) = -1 EBADF (Bad file descriptor) [pid 4049] close(11) = -1 EBADF (Bad file descriptor) [pid 4049] close(12) = -1 EBADF (Bad file descriptor) [pid 4049] close(13) = -1 EBADF (Bad file descriptor) [pid 4049] close(14) = -1 EBADF (Bad file descriptor) [pid 4049] close(15) = -1 EBADF (Bad file descriptor) [pid 4049] close(16) = -1 EBADF (Bad file descriptor) [pid 4049] close(17) = -1 EBADF (Bad file descriptor) [pid 4049] close(18) = -1 EBADF (Bad file descriptor) [pid 4049] close(19) = -1 EBADF (Bad file descriptor) [pid 4049] close(20) = -1 EBADF (Bad file descriptor) [pid 4049] close(21) = -1 EBADF (Bad file descriptor) [pid 4049] close(22) = -1 EBADF (Bad file descriptor) [pid 4049] close(23) = -1 EBADF (Bad file descriptor) [pid 4049] close(24) = -1 EBADF (Bad file descriptor) [pid 4049] close(25) = -1 EBADF (Bad file descriptor) [pid 4049] close(26) = -1 EBADF (Bad file descriptor) [pid 4049] close(27) = -1 EBADF (Bad file descriptor) [pid 4049] close(28) = -1 EBADF (Bad file descriptor) [pid 4049] close(29) = -1 EBADF (Bad file descriptor) [pid 4049] exit_group(0) = ? [pid 4049] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./443", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./443", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./443/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./443/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./443/binderfs") = 0 [pid 3605] umount2("./443/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./443/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./443/cgroup") = 0 [pid 3605] umount2("./443/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./443/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./443/cgroup.net") = 0 [pid 3605] umount2("./443/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./443/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./443/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./443") = 0 [pid 3605] mkdir("./444", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4050 attached [pid 4050] chdir("./444") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 446 [pid 4050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4050] setpgid(0, 0) = 0 [pid 4050] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4050] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4050] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4050] write(3, "1000", 4) = 4 [pid 4050] close(3) = 0 [pid 4050] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4050] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4050] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4050] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4050] openat(3, "freezer.state", O_RDWR) = 4 [pid 4050] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4050] close(3) = 0 [pid 4050] close(4) = 0 [pid 4050] close(5) = -1 EBADF (Bad file descriptor) [pid 4050] close(6) = -1 EBADF (Bad file descriptor) [pid 4050] close(7) = -1 EBADF (Bad file descriptor) [pid 4050] close(8) = -1 EBADF (Bad file descriptor) [pid 4050] close(9) = -1 EBADF (Bad file descriptor) [pid 4050] close(10) = -1 EBADF (Bad file descriptor) [pid 4050] close(11) = -1 EBADF (Bad file descriptor) [pid 4050] close(12) = -1 EBADF (Bad file descriptor) [pid 4050] close(13) = -1 EBADF (Bad file descriptor) [pid 4050] close(14) = -1 EBADF (Bad file descriptor) [pid 4050] close(15) = -1 EBADF (Bad file descriptor) [pid 4050] close(16) = -1 EBADF (Bad file descriptor) [pid 4050] close(17) = -1 EBADF (Bad file descriptor) [pid 4050] close(18) = -1 EBADF (Bad file descriptor) [pid 4050] close(19) = -1 EBADF (Bad file descriptor) [pid 4050] close(20) = -1 EBADF (Bad file descriptor) [pid 4050] close(21) = -1 EBADF (Bad file descriptor) [pid 4050] close(22) = -1 EBADF (Bad file descriptor) [pid 4050] close(23) = -1 EBADF (Bad file descriptor) [pid 4050] close(24) = -1 EBADF (Bad file descriptor) [pid 4050] close(25) = -1 EBADF (Bad file descriptor) [pid 4050] close(26) = -1 EBADF (Bad file descriptor) [pid 4050] close(27) = -1 EBADF (Bad file descriptor) [pid 4050] close(28) = -1 EBADF (Bad file descriptor) [pid 4050] close(29) = -1 EBADF (Bad file descriptor) [pid 4050] exit_group(0) = ? [pid 4050] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./444", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./444", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./444/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./444/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./444/binderfs") = 0 [pid 3605] umount2("./444/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./444/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./444/cgroup") = 0 [pid 3605] umount2("./444/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./444/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./444/cgroup.net") = 0 [pid 3605] umount2("./444/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./444/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./444/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./444") = 0 [pid 3605] mkdir("./445", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4051 attached [pid 4051] chdir("./445") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 447 [pid 4051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4051] setpgid(0, 0) = 0 [pid 4051] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4051] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4051] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4051] write(3, "1000", 4) = 4 [pid 4051] close(3) = 0 [pid 4051] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4051] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4051] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4051] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4051] openat(3, "freezer.state", O_RDWR) = 4 [pid 4051] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4051] close(3) = 0 [pid 4051] close(4) = 0 [pid 4051] close(5) = -1 EBADF (Bad file descriptor) [pid 4051] close(6) = -1 EBADF (Bad file descriptor) [pid 4051] close(7) = -1 EBADF (Bad file descriptor) [pid 4051] close(8) = -1 EBADF (Bad file descriptor) [pid 4051] close(9) = -1 EBADF (Bad file descriptor) [pid 4051] close(10) = -1 EBADF (Bad file descriptor) [pid 4051] close(11) = -1 EBADF (Bad file descriptor) [pid 4051] close(12) = -1 EBADF (Bad file descriptor) [pid 4051] close(13) = -1 EBADF (Bad file descriptor) [pid 4051] close(14) = -1 EBADF (Bad file descriptor) [pid 4051] close(15) = -1 EBADF (Bad file descriptor) [pid 4051] close(16) = -1 EBADF (Bad file descriptor) [pid 4051] close(17) = -1 EBADF (Bad file descriptor) [pid 4051] close(18) = -1 EBADF (Bad file descriptor) [pid 4051] close(19) = -1 EBADF (Bad file descriptor) [pid 4051] close(20) = -1 EBADF (Bad file descriptor) [pid 4051] close(21) = -1 EBADF (Bad file descriptor) [pid 4051] close(22) = -1 EBADF (Bad file descriptor) [pid 4051] close(23) = -1 EBADF (Bad file descriptor) [pid 4051] close(24) = -1 EBADF (Bad file descriptor) [pid 4051] close(25) = -1 EBADF (Bad file descriptor) [pid 4051] close(26) = -1 EBADF (Bad file descriptor) [pid 4051] close(27) = -1 EBADF (Bad file descriptor) [pid 4051] close(28) = -1 EBADF (Bad file descriptor) [pid 4051] close(29) = -1 EBADF (Bad file descriptor) [pid 4051] exit_group(0) = ? [pid 4051] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./445", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./445", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./445/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./445/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./445/binderfs") = 0 [pid 3605] umount2("./445/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./445/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./445/cgroup") = 0 [pid 3605] umount2("./445/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./445/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./445/cgroup.net") = 0 [pid 3605] umount2("./445/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./445/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./445/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./445") = 0 [pid 3605] mkdir("./446", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4052 attached , child_tidptr=0x555556c0f5d0) = 448 [pid 4052] chdir("./446") = 0 [pid 4052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4052] setpgid(0, 0) = 0 [pid 4052] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4052] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4052] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4052] write(3, "1000", 4) = 4 [pid 4052] close(3) = 0 [pid 4052] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4052] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4052] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4052] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4052] openat(3, "freezer.state", O_RDWR) = 4 [pid 4052] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4052] close(3) = 0 [pid 4052] close(4) = 0 [pid 4052] close(5) = -1 EBADF (Bad file descriptor) [pid 4052] close(6) = -1 EBADF (Bad file descriptor) [pid 4052] close(7) = -1 EBADF (Bad file descriptor) [pid 4052] close(8) = -1 EBADF (Bad file descriptor) [pid 4052] close(9) = -1 EBADF (Bad file descriptor) [pid 4052] close(10) = -1 EBADF (Bad file descriptor) [pid 4052] close(11) = -1 EBADF (Bad file descriptor) [pid 4052] close(12) = -1 EBADF (Bad file descriptor) [pid 4052] close(13) = -1 EBADF (Bad file descriptor) [pid 4052] close(14) = -1 EBADF (Bad file descriptor) [pid 4052] close(15) = -1 EBADF (Bad file descriptor) [pid 4052] close(16) = -1 EBADF (Bad file descriptor) [pid 4052] close(17) = -1 EBADF (Bad file descriptor) [pid 4052] close(18) = -1 EBADF (Bad file descriptor) [pid 4052] close(19) = -1 EBADF (Bad file descriptor) [pid 4052] close(20) = -1 EBADF (Bad file descriptor) [pid 4052] close(21) = -1 EBADF (Bad file descriptor) [pid 4052] close(22) = -1 EBADF (Bad file descriptor) [pid 4052] close(23) = -1 EBADF (Bad file descriptor) [pid 4052] close(24) = -1 EBADF (Bad file descriptor) [pid 4052] close(25) = -1 EBADF (Bad file descriptor) [pid 4052] close(26) = -1 EBADF (Bad file descriptor) [pid 4052] close(27) = -1 EBADF (Bad file descriptor) [pid 4052] close(28) = -1 EBADF (Bad file descriptor) [pid 4052] close(29) = -1 EBADF (Bad file descriptor) [pid 4052] exit_group(0) = ? [pid 4052] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./446", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./446", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./446/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./446/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./446/binderfs") = 0 [pid 3605] umount2("./446/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./446/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./446/cgroup") = 0 [pid 3605] umount2("./446/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./446/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./446/cgroup.net") = 0 [pid 3605] umount2("./446/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./446/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./446/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./446") = 0 [pid 3605] mkdir("./447", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4053 attached [pid 4053] chdir("./447") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 449 [pid 4053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4053] setpgid(0, 0) = 0 [pid 4053] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4053] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4053] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4053] write(3, "1000", 4) = 4 [pid 4053] close(3) = 0 [pid 4053] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4053] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4053] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4053] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4053] openat(3, "freezer.state", O_RDWR) = 4 [pid 4053] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4053] close(3) = 0 [pid 4053] close(4) = 0 [pid 4053] close(5) = -1 EBADF (Bad file descriptor) [pid 4053] close(6) = -1 EBADF (Bad file descriptor) [pid 4053] close(7) = -1 EBADF (Bad file descriptor) [pid 4053] close(8) = -1 EBADF (Bad file descriptor) [pid 4053] close(9) = -1 EBADF (Bad file descriptor) [pid 4053] close(10) = -1 EBADF (Bad file descriptor) [pid 4053] close(11) = -1 EBADF (Bad file descriptor) [pid 4053] close(12) = -1 EBADF (Bad file descriptor) [pid 4053] close(13) = -1 EBADF (Bad file descriptor) [pid 4053] close(14) = -1 EBADF (Bad file descriptor) [pid 4053] close(15) = -1 EBADF (Bad file descriptor) [pid 4053] close(16) = -1 EBADF (Bad file descriptor) [pid 4053] close(17) = -1 EBADF (Bad file descriptor) [pid 4053] close(18) = -1 EBADF (Bad file descriptor) [pid 4053] close(19) = -1 EBADF (Bad file descriptor) [pid 4053] close(20) = -1 EBADF (Bad file descriptor) [pid 4053] close(21) = -1 EBADF (Bad file descriptor) [pid 4053] close(22) = -1 EBADF (Bad file descriptor) [pid 4053] close(23) = -1 EBADF (Bad file descriptor) [pid 4053] close(24) = -1 EBADF (Bad file descriptor) [pid 4053] close(25) = -1 EBADF (Bad file descriptor) [pid 4053] close(26) = -1 EBADF (Bad file descriptor) [pid 4053] close(27) = -1 EBADF (Bad file descriptor) [pid 4053] close(28) = -1 EBADF (Bad file descriptor) [pid 4053] close(29) = -1 EBADF (Bad file descriptor) [pid 4053] exit_group(0) = ? [pid 4053] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./447", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./447", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./447/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./447/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./447/binderfs") = 0 [pid 3605] umount2("./447/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./447/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./447/cgroup") = 0 [pid 3605] umount2("./447/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./447/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./447/cgroup.net") = 0 [pid 3605] umount2("./447/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./447/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./447/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./447") = 0 [pid 3605] mkdir("./448", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4054 attached [pid 4054] chdir("./448") = 0 [pid 4054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 450 [pid 4054] <... prctl resumed>) = 0 [pid 4054] setpgid(0, 0) = 0 [pid 4054] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4054] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4054] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4054] write(3, "1000", 4) = 4 [pid 4054] close(3) = 0 [pid 4054] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4054] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4054] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4054] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4054] openat(3, "freezer.state", O_RDWR) = 4 [pid 4054] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4054] close(3) = 0 [pid 4054] close(4) = 0 [pid 4054] close(5) = -1 EBADF (Bad file descriptor) [pid 4054] close(6) = -1 EBADF (Bad file descriptor) [pid 4054] close(7) = -1 EBADF (Bad file descriptor) [pid 4054] close(8) = -1 EBADF (Bad file descriptor) [pid 4054] close(9) = -1 EBADF (Bad file descriptor) [pid 4054] close(10) = -1 EBADF (Bad file descriptor) [pid 4054] close(11) = -1 EBADF (Bad file descriptor) [pid 4054] close(12) = -1 EBADF (Bad file descriptor) [pid 4054] close(13) = -1 EBADF (Bad file descriptor) [pid 4054] close(14) = -1 EBADF (Bad file descriptor) [pid 4054] close(15) = -1 EBADF (Bad file descriptor) [pid 4054] close(16) = -1 EBADF (Bad file descriptor) [pid 4054] close(17) = -1 EBADF (Bad file descriptor) [pid 4054] close(18) = -1 EBADF (Bad file descriptor) [pid 4054] close(19) = -1 EBADF (Bad file descriptor) [pid 4054] close(20) = -1 EBADF (Bad file descriptor) [pid 4054] close(21) = -1 EBADF (Bad file descriptor) [pid 4054] close(22) = -1 EBADF (Bad file descriptor) [pid 4054] close(23) = -1 EBADF (Bad file descriptor) [pid 4054] close(24) = -1 EBADF (Bad file descriptor) [pid 4054] close(25) = -1 EBADF (Bad file descriptor) [pid 4054] close(26) = -1 EBADF (Bad file descriptor) [pid 4054] close(27) = -1 EBADF (Bad file descriptor) [pid 4054] close(28) = -1 EBADF (Bad file descriptor) [pid 4054] close(29) = -1 EBADF (Bad file descriptor) [pid 4054] exit_group(0) = ? [pid 4054] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./448", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./448", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./448/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./448/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./448/binderfs") = 0 [pid 3605] umount2("./448/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./448/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./448/cgroup") = 0 [pid 3605] umount2("./448/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./448/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./448/cgroup.net") = 0 [pid 3605] umount2("./448/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./448/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./448/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./448") = 0 [pid 3605] mkdir("./449", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4055 attached [pid 4055] chdir("./449") = 0 [pid 4055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4055] setpgid(0, 0) = 0 [pid 4055] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 451 [pid 4055] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4055] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4055] write(3, "1000", 4) = 4 [pid 4055] close(3) = 0 [pid 4055] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4055] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4055] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4055] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4055] openat(3, "freezer.state", O_RDWR) = 4 [pid 4055] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4055] close(3) = 0 [pid 4055] close(4) = 0 [pid 4055] close(5) = -1 EBADF (Bad file descriptor) [pid 4055] close(6) = -1 EBADF (Bad file descriptor) [pid 4055] close(7) = -1 EBADF (Bad file descriptor) [pid 4055] close(8) = -1 EBADF (Bad file descriptor) [pid 4055] close(9) = -1 EBADF (Bad file descriptor) [pid 4055] close(10) = -1 EBADF (Bad file descriptor) [pid 4055] close(11) = -1 EBADF (Bad file descriptor) [pid 4055] close(12) = -1 EBADF (Bad file descriptor) [pid 4055] close(13) = -1 EBADF (Bad file descriptor) [pid 4055] close(14) = -1 EBADF (Bad file descriptor) [pid 4055] close(15) = -1 EBADF (Bad file descriptor) [pid 4055] close(16) = -1 EBADF (Bad file descriptor) [pid 4055] close(17) = -1 EBADF (Bad file descriptor) [pid 4055] close(18) = -1 EBADF (Bad file descriptor) [pid 4055] close(19) = -1 EBADF (Bad file descriptor) [pid 4055] close(20) = -1 EBADF (Bad file descriptor) [pid 4055] close(21) = -1 EBADF (Bad file descriptor) [pid 4055] close(22) = -1 EBADF (Bad file descriptor) [pid 4055] close(23) = -1 EBADF (Bad file descriptor) [pid 4055] close(24) = -1 EBADF (Bad file descriptor) [pid 4055] close(25) = -1 EBADF (Bad file descriptor) [pid 4055] close(26) = -1 EBADF (Bad file descriptor) [pid 4055] close(27) = -1 EBADF (Bad file descriptor) [pid 4055] close(28) = -1 EBADF (Bad file descriptor) [pid 4055] close(29) = -1 EBADF (Bad file descriptor) [pid 4055] exit_group(0) = ? [pid 4055] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./449", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./449", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./449/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./449/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./449/binderfs") = 0 [pid 3605] umount2("./449/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./449/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./449/cgroup") = 0 [pid 3605] umount2("./449/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./449/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./449/cgroup.net") = 0 [pid 3605] umount2("./449/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./449/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./449/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./449") = 0 [pid 3605] mkdir("./450", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4056 attached [pid 4056] chdir("./450") = 0 [pid 4056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4056] setpgid(0, 0) = 0 [pid 4056] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 452 [pid 4056] <... symlink resumed>) = 0 [pid 4056] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4056] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4056] write(3, "1000", 4) = 4 [pid 4056] close(3) = 0 [pid 4056] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4056] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4056] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4056] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4056] openat(3, "freezer.state", O_RDWR) = 4 [pid 4056] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4056] close(3) = 0 [pid 4056] close(4) = 0 [pid 4056] close(5) = -1 EBADF (Bad file descriptor) [pid 4056] close(6) = -1 EBADF (Bad file descriptor) [pid 4056] close(7) = -1 EBADF (Bad file descriptor) [pid 4056] close(8) = -1 EBADF (Bad file descriptor) [pid 4056] close(9) = -1 EBADF (Bad file descriptor) [pid 4056] close(10) = -1 EBADF (Bad file descriptor) [pid 4056] close(11) = -1 EBADF (Bad file descriptor) [pid 4056] close(12) = -1 EBADF (Bad file descriptor) [pid 4056] close(13) = -1 EBADF (Bad file descriptor) [pid 4056] close(14) = -1 EBADF (Bad file descriptor) [pid 4056] close(15) = -1 EBADF (Bad file descriptor) [pid 4056] close(16) = -1 EBADF (Bad file descriptor) [pid 4056] close(17) = -1 EBADF (Bad file descriptor) [pid 4056] close(18) = -1 EBADF (Bad file descriptor) [pid 4056] close(19) = -1 EBADF (Bad file descriptor) [pid 4056] close(20) = -1 EBADF (Bad file descriptor) [pid 4056] close(21) = -1 EBADF (Bad file descriptor) [pid 4056] close(22) = -1 EBADF (Bad file descriptor) [pid 4056] close(23) = -1 EBADF (Bad file descriptor) [pid 4056] close(24) = -1 EBADF (Bad file descriptor) [pid 4056] close(25) = -1 EBADF (Bad file descriptor) [pid 4056] close(26) = -1 EBADF (Bad file descriptor) [pid 4056] close(27) = -1 EBADF (Bad file descriptor) [pid 4056] close(28) = -1 EBADF (Bad file descriptor) [pid 4056] close(29) = -1 EBADF (Bad file descriptor) [pid 4056] exit_group(0) = ? [pid 4056] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./450", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./450", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./450/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./450/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./450/binderfs") = 0 [pid 3605] umount2("./450/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./450/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./450/cgroup") = 0 [pid 3605] umount2("./450/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./450/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./450/cgroup.net") = 0 [pid 3605] umount2("./450/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./450/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./450/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./450") = 0 [pid 3605] mkdir("./451", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4057 attached , child_tidptr=0x555556c0f5d0) = 453 [pid 4057] chdir("./451") = 0 [pid 4057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4057] setpgid(0, 0) = 0 [pid 4057] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4057] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4057] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4057] write(3, "1000", 4) = 4 [pid 4057] close(3) = 0 [pid 4057] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4057] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4057] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4057] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4057] openat(3, "freezer.state", O_RDWR) = 4 [pid 4057] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4057] close(3) = 0 [pid 4057] close(4) = 0 [pid 4057] close(5) = -1 EBADF (Bad file descriptor) [pid 4057] close(6) = -1 EBADF (Bad file descriptor) [pid 4057] close(7) = -1 EBADF (Bad file descriptor) [pid 4057] close(8) = -1 EBADF (Bad file descriptor) [pid 4057] close(9) = -1 EBADF (Bad file descriptor) [pid 4057] close(10) = -1 EBADF (Bad file descriptor) [pid 4057] close(11) = -1 EBADF (Bad file descriptor) [pid 4057] close(12) = -1 EBADF (Bad file descriptor) [pid 4057] close(13) = -1 EBADF (Bad file descriptor) [pid 4057] close(14) = -1 EBADF (Bad file descriptor) [pid 4057] close(15) = -1 EBADF (Bad file descriptor) [pid 4057] close(16) = -1 EBADF (Bad file descriptor) [pid 4057] close(17) = -1 EBADF (Bad file descriptor) [pid 4057] close(18) = -1 EBADF (Bad file descriptor) [pid 4057] close(19) = -1 EBADF (Bad file descriptor) [pid 4057] close(20) = -1 EBADF (Bad file descriptor) [pid 4057] close(21) = -1 EBADF (Bad file descriptor) [pid 4057] close(22) = -1 EBADF (Bad file descriptor) [pid 4057] close(23) = -1 EBADF (Bad file descriptor) [pid 4057] close(24) = -1 EBADF (Bad file descriptor) [pid 4057] close(25) = -1 EBADF (Bad file descriptor) [pid 4057] close(26) = -1 EBADF (Bad file descriptor) [pid 4057] close(27) = -1 EBADF (Bad file descriptor) [pid 4057] close(28) = -1 EBADF (Bad file descriptor) [pid 4057] close(29) = -1 EBADF (Bad file descriptor) [pid 4057] exit_group(0) = ? [pid 4057] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./451", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./451", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./451/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./451/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./451/binderfs") = 0 [pid 3605] umount2("./451/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./451/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./451/cgroup") = 0 [pid 3605] umount2("./451/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./451/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./451/cgroup.net") = 0 [pid 3605] umount2("./451/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./451/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./451/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./451") = 0 [pid 3605] mkdir("./452", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4058 attached , child_tidptr=0x555556c0f5d0) = 454 [pid 4058] chdir("./452") = 0 [pid 4058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4058] setpgid(0, 0) = 0 [pid 4058] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4058] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4058] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4058] write(3, "1000", 4) = 4 [pid 4058] close(3) = 0 [pid 4058] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4058] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4058] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4058] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4058] openat(3, "freezer.state", O_RDWR) = 4 [pid 4058] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4058] close(3) = 0 [pid 4058] close(4) = 0 [pid 4058] close(5) = -1 EBADF (Bad file descriptor) [pid 4058] close(6) = -1 EBADF (Bad file descriptor) [pid 4058] close(7) = -1 EBADF (Bad file descriptor) [pid 4058] close(8) = -1 EBADF (Bad file descriptor) [pid 4058] close(9) = -1 EBADF (Bad file descriptor) [pid 4058] close(10) = -1 EBADF (Bad file descriptor) [pid 4058] close(11) = -1 EBADF (Bad file descriptor) [pid 4058] close(12) = -1 EBADF (Bad file descriptor) [pid 4058] close(13) = -1 EBADF (Bad file descriptor) [pid 4058] close(14) = -1 EBADF (Bad file descriptor) [pid 4058] close(15) = -1 EBADF (Bad file descriptor) [pid 4058] close(16) = -1 EBADF (Bad file descriptor) [pid 4058] close(17) = -1 EBADF (Bad file descriptor) [pid 4058] close(18) = -1 EBADF (Bad file descriptor) [pid 4058] close(19) = -1 EBADF (Bad file descriptor) [pid 4058] close(20) = -1 EBADF (Bad file descriptor) [pid 4058] close(21) = -1 EBADF (Bad file descriptor) [pid 4058] close(22) = -1 EBADF (Bad file descriptor) [pid 4058] close(23) = -1 EBADF (Bad file descriptor) [pid 4058] close(24) = -1 EBADF (Bad file descriptor) [pid 4058] close(25) = -1 EBADF (Bad file descriptor) [pid 4058] close(26) = -1 EBADF (Bad file descriptor) [pid 4058] close(27) = -1 EBADF (Bad file descriptor) [pid 4058] close(28) = -1 EBADF (Bad file descriptor) [pid 4058] close(29) = -1 EBADF (Bad file descriptor) [pid 4058] exit_group(0) = ? [pid 4058] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./452", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./452", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./452/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./452/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./452/binderfs") = 0 [pid 3605] umount2("./452/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./452/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./452/cgroup") = 0 [pid 3605] umount2("./452/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./452/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./452/cgroup.net") = 0 [pid 3605] umount2("./452/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./452/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./452/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./452") = 0 [pid 3605] mkdir("./453", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4059 attached [pid 4059] chdir("./453" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 455 [pid 4059] <... chdir resumed>) = 0 [pid 4059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4059] setpgid(0, 0) = 0 [pid 4059] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4059] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4059] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4059] write(3, "1000", 4) = 4 [pid 4059] close(3) = 0 [pid 4059] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4059] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4059] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4059] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4059] openat(3, "freezer.state", O_RDWR) = 4 [pid 4059] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4059] close(3) = 0 [pid 4059] close(4) = 0 [pid 4059] close(5) = -1 EBADF (Bad file descriptor) [pid 4059] close(6) = -1 EBADF (Bad file descriptor) [pid 4059] close(7) = -1 EBADF (Bad file descriptor) [pid 4059] close(8) = -1 EBADF (Bad file descriptor) [pid 4059] close(9) = -1 EBADF (Bad file descriptor) [pid 4059] close(10) = -1 EBADF (Bad file descriptor) [pid 4059] close(11) = -1 EBADF (Bad file descriptor) [pid 4059] close(12) = -1 EBADF (Bad file descriptor) [pid 4059] close(13) = -1 EBADF (Bad file descriptor) [pid 4059] close(14) = -1 EBADF (Bad file descriptor) [pid 4059] close(15) = -1 EBADF (Bad file descriptor) [pid 4059] close(16) = -1 EBADF (Bad file descriptor) [pid 4059] close(17) = -1 EBADF (Bad file descriptor) [pid 4059] close(18) = -1 EBADF (Bad file descriptor) [pid 4059] close(19) = -1 EBADF (Bad file descriptor) [pid 4059] close(20) = -1 EBADF (Bad file descriptor) [pid 4059] close(21) = -1 EBADF (Bad file descriptor) [pid 4059] close(22) = -1 EBADF (Bad file descriptor) [pid 4059] close(23) = -1 EBADF (Bad file descriptor) [pid 4059] close(24) = -1 EBADF (Bad file descriptor) [pid 4059] close(25) = -1 EBADF (Bad file descriptor) [pid 4059] close(26) = -1 EBADF (Bad file descriptor) [pid 4059] close(27) = -1 EBADF (Bad file descriptor) [pid 4059] close(28) = -1 EBADF (Bad file descriptor) [pid 4059] close(29) = -1 EBADF (Bad file descriptor) [pid 4059] exit_group(0) = ? [pid 4059] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./453", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./453", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./453/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./453/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./453/binderfs") = 0 [pid 3605] umount2("./453/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./453/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./453/cgroup") = 0 [pid 3605] umount2("./453/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./453/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./453/cgroup.net") = 0 [pid 3605] umount2("./453/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./453/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./453/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./453") = 0 [pid 3605] mkdir("./454", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4060 attached [pid 4060] chdir("./454") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 456 [pid 4060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4060] setpgid(0, 0) = 0 [pid 4060] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4060] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4060] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4060] write(3, "1000", 4) = 4 [pid 4060] close(3) = 0 [pid 4060] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4060] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4060] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4060] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4060] openat(3, "freezer.state", O_RDWR) = 4 [pid 4060] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4060] close(3) = 0 [pid 4060] close(4) = 0 [pid 4060] close(5) = -1 EBADF (Bad file descriptor) [pid 4060] close(6) = -1 EBADF (Bad file descriptor) [pid 4060] close(7) = -1 EBADF (Bad file descriptor) [pid 4060] close(8) = -1 EBADF (Bad file descriptor) [pid 4060] close(9) = -1 EBADF (Bad file descriptor) [pid 4060] close(10) = -1 EBADF (Bad file descriptor) [pid 4060] close(11) = -1 EBADF (Bad file descriptor) [pid 4060] close(12) = -1 EBADF (Bad file descriptor) [pid 4060] close(13) = -1 EBADF (Bad file descriptor) [pid 4060] close(14) = -1 EBADF (Bad file descriptor) [pid 4060] close(15) = -1 EBADF (Bad file descriptor) [pid 4060] close(16) = -1 EBADF (Bad file descriptor) [pid 4060] close(17) = -1 EBADF (Bad file descriptor) [pid 4060] close(18) = -1 EBADF (Bad file descriptor) [pid 4060] close(19) = -1 EBADF (Bad file descriptor) [pid 4060] close(20) = -1 EBADF (Bad file descriptor) [pid 4060] close(21) = -1 EBADF (Bad file descriptor) [pid 4060] close(22) = -1 EBADF (Bad file descriptor) [pid 4060] close(23) = -1 EBADF (Bad file descriptor) [pid 4060] close(24) = -1 EBADF (Bad file descriptor) [pid 4060] close(25) = -1 EBADF (Bad file descriptor) [pid 4060] close(26) = -1 EBADF (Bad file descriptor) [pid 4060] close(27) = -1 EBADF (Bad file descriptor) [pid 4060] close(28) = -1 EBADF (Bad file descriptor) [pid 4060] close(29) = -1 EBADF (Bad file descriptor) [pid 4060] exit_group(0) = ? [pid 4060] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./454", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./454", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./454/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./454/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./454/binderfs") = 0 [pid 3605] umount2("./454/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./454/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./454/cgroup") = 0 [pid 3605] umount2("./454/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./454/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./454/cgroup.net") = 0 [pid 3605] umount2("./454/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./454/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./454/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./454") = 0 [pid 3605] mkdir("./455", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4061 attached , child_tidptr=0x555556c0f5d0) = 457 [pid 4061] chdir("./455") = 0 [pid 4061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4061] setpgid(0, 0) = 0 [pid 4061] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4061] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4061] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4061] write(3, "1000", 4) = 4 [pid 4061] close(3) = 0 [pid 4061] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4061] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4061] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4061] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4061] openat(3, "freezer.state", O_RDWR) = 4 [pid 4061] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4061] close(3) = 0 [pid 4061] close(4) = 0 [pid 4061] close(5) = -1 EBADF (Bad file descriptor) [pid 4061] close(6) = -1 EBADF (Bad file descriptor) [pid 4061] close(7) = -1 EBADF (Bad file descriptor) [pid 4061] close(8) = -1 EBADF (Bad file descriptor) [pid 4061] close(9) = -1 EBADF (Bad file descriptor) [pid 4061] close(10) = -1 EBADF (Bad file descriptor) [pid 4061] close(11) = -1 EBADF (Bad file descriptor) [pid 4061] close(12) = -1 EBADF (Bad file descriptor) [pid 4061] close(13) = -1 EBADF (Bad file descriptor) [pid 4061] close(14) = -1 EBADF (Bad file descriptor) [pid 4061] close(15) = -1 EBADF (Bad file descriptor) [pid 4061] close(16) = -1 EBADF (Bad file descriptor) [pid 4061] close(17) = -1 EBADF (Bad file descriptor) [pid 4061] close(18) = -1 EBADF (Bad file descriptor) [pid 4061] close(19) = -1 EBADF (Bad file descriptor) [pid 4061] close(20) = -1 EBADF (Bad file descriptor) [pid 4061] close(21) = -1 EBADF (Bad file descriptor) [pid 4061] close(22) = -1 EBADF (Bad file descriptor) [pid 4061] close(23) = -1 EBADF (Bad file descriptor) [pid 4061] close(24) = -1 EBADF (Bad file descriptor) [pid 4061] close(25) = -1 EBADF (Bad file descriptor) [pid 4061] close(26) = -1 EBADF (Bad file descriptor) [pid 4061] close(27) = -1 EBADF (Bad file descriptor) [pid 4061] close(28) = -1 EBADF (Bad file descriptor) [pid 4061] close(29) = -1 EBADF (Bad file descriptor) [pid 4061] exit_group(0) = ? [pid 4061] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./455", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./455", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./455/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./455/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./455/binderfs") = 0 [pid 3605] umount2("./455/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./455/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./455/cgroup") = 0 [pid 3605] umount2("./455/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./455/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./455/cgroup.net") = 0 [pid 3605] umount2("./455/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./455/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./455/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./455") = 0 [pid 3605] mkdir("./456", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 458 ./strace-static-x86_64: Process 4062 attached [pid 4062] chdir("./456") = 0 [pid 4062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4062] setpgid(0, 0) = 0 [pid 4062] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4062] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4062] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4062] write(3, "1000", 4) = 4 [pid 4062] close(3) = 0 [pid 4062] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4062] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4062] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4062] openat(3, "freezer.state", O_RDWR) = 4 [pid 4062] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4062] close(3) = 0 [pid 4062] close(4) = 0 [pid 4062] close(5) = -1 EBADF (Bad file descriptor) [pid 4062] close(6) = -1 EBADF (Bad file descriptor) [pid 4062] close(7) = -1 EBADF (Bad file descriptor) [pid 4062] close(8) = -1 EBADF (Bad file descriptor) [pid 4062] close(9) = -1 EBADF (Bad file descriptor) [pid 4062] close(10) = -1 EBADF (Bad file descriptor) [pid 4062] close(11) = -1 EBADF (Bad file descriptor) [pid 4062] close(12) = -1 EBADF (Bad file descriptor) [pid 4062] close(13) = -1 EBADF (Bad file descriptor) [pid 4062] close(14) = -1 EBADF (Bad file descriptor) [pid 4062] close(15) = -1 EBADF (Bad file descriptor) [pid 4062] close(16) = -1 EBADF (Bad file descriptor) [pid 4062] close(17) = -1 EBADF (Bad file descriptor) [pid 4062] close(18) = -1 EBADF (Bad file descriptor) [pid 4062] close(19) = -1 EBADF (Bad file descriptor) [pid 4062] close(20) = -1 EBADF (Bad file descriptor) [pid 4062] close(21) = -1 EBADF (Bad file descriptor) [pid 4062] close(22) = -1 EBADF (Bad file descriptor) [pid 4062] close(23) = -1 EBADF (Bad file descriptor) [pid 4062] close(24) = -1 EBADF (Bad file descriptor) [pid 4062] close(25) = -1 EBADF (Bad file descriptor) [pid 4062] close(26) = -1 EBADF (Bad file descriptor) [pid 4062] close(27) = -1 EBADF (Bad file descriptor) [pid 4062] close(28) = -1 EBADF (Bad file descriptor) [pid 4062] close(29) = -1 EBADF (Bad file descriptor) [pid 4062] exit_group(0) = ? [pid 4062] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./456", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./456", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./456/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./456/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./456/binderfs") = 0 [pid 3605] umount2("./456/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./456/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./456/cgroup") = 0 [pid 3605] umount2("./456/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./456/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./456/cgroup.net") = 0 [pid 3605] umount2("./456/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./456/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./456/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./456") = 0 [pid 3605] mkdir("./457", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4063 attached , child_tidptr=0x555556c0f5d0) = 459 [pid 4063] chdir("./457") = 0 [pid 4063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4063] setpgid(0, 0) = 0 [pid 4063] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4063] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4063] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4063] write(3, "1000", 4) = 4 [pid 4063] close(3) = 0 [pid 4063] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4063] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4063] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4063] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4063] openat(3, "freezer.state", O_RDWR) = 4 [pid 4063] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4063] close(3) = 0 [pid 4063] close(4) = 0 [pid 4063] close(5) = -1 EBADF (Bad file descriptor) [pid 4063] close(6) = -1 EBADF (Bad file descriptor) [pid 4063] close(7) = -1 EBADF (Bad file descriptor) [pid 4063] close(8) = -1 EBADF (Bad file descriptor) [pid 4063] close(9) = -1 EBADF (Bad file descriptor) [pid 4063] close(10) = -1 EBADF (Bad file descriptor) [pid 4063] close(11) = -1 EBADF (Bad file descriptor) [pid 4063] close(12) = -1 EBADF (Bad file descriptor) [pid 4063] close(13) = -1 EBADF (Bad file descriptor) [pid 4063] close(14) = -1 EBADF (Bad file descriptor) [pid 4063] close(15) = -1 EBADF (Bad file descriptor) [pid 4063] close(16) = -1 EBADF (Bad file descriptor) [pid 4063] close(17) = -1 EBADF (Bad file descriptor) [pid 4063] close(18) = -1 EBADF (Bad file descriptor) [pid 4063] close(19) = -1 EBADF (Bad file descriptor) [pid 4063] close(20) = -1 EBADF (Bad file descriptor) [pid 4063] close(21) = -1 EBADF (Bad file descriptor) [pid 4063] close(22) = -1 EBADF (Bad file descriptor) [pid 4063] close(23) = -1 EBADF (Bad file descriptor) [pid 4063] close(24) = -1 EBADF (Bad file descriptor) [pid 4063] close(25) = -1 EBADF (Bad file descriptor) [pid 4063] close(26) = -1 EBADF (Bad file descriptor) [pid 4063] close(27) = -1 EBADF (Bad file descriptor) [pid 4063] close(28) = -1 EBADF (Bad file descriptor) [pid 4063] close(29) = -1 EBADF (Bad file descriptor) [pid 4063] exit_group(0) = ? [pid 4063] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./457", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./457", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./457/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./457/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./457/binderfs") = 0 [pid 3605] umount2("./457/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./457/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./457/cgroup") = 0 [pid 3605] umount2("./457/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./457/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./457/cgroup.net") = 0 [pid 3605] umount2("./457/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./457/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./457/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./457") = 0 [pid 3605] mkdir("./458", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4064 attached [pid 4064] chdir("./458" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 460 [pid 4064] <... chdir resumed>) = 0 [pid 4064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4064] setpgid(0, 0) = 0 [pid 4064] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4064] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4064] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4064] write(3, "1000", 4) = 4 [pid 4064] close(3) = 0 [pid 4064] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4064] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4064] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4064] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4064] openat(3, "freezer.state", O_RDWR) = 4 [pid 4064] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4064] close(3) = 0 [pid 4064] close(4) = 0 [pid 4064] close(5) = -1 EBADF (Bad file descriptor) [pid 4064] close(6) = -1 EBADF (Bad file descriptor) [pid 4064] close(7) = -1 EBADF (Bad file descriptor) [pid 4064] close(8) = -1 EBADF (Bad file descriptor) [pid 4064] close(9) = -1 EBADF (Bad file descriptor) [pid 4064] close(10) = -1 EBADF (Bad file descriptor) [pid 4064] close(11) = -1 EBADF (Bad file descriptor) [pid 4064] close(12) = -1 EBADF (Bad file descriptor) [pid 4064] close(13) = -1 EBADF (Bad file descriptor) [pid 4064] close(14) = -1 EBADF (Bad file descriptor) [pid 4064] close(15) = -1 EBADF (Bad file descriptor) [pid 4064] close(16) = -1 EBADF (Bad file descriptor) [pid 4064] close(17) = -1 EBADF (Bad file descriptor) [pid 4064] close(18) = -1 EBADF (Bad file descriptor) [pid 4064] close(19) = -1 EBADF (Bad file descriptor) [pid 4064] close(20) = -1 EBADF (Bad file descriptor) [pid 4064] close(21) = -1 EBADF (Bad file descriptor) [pid 4064] close(22) = -1 EBADF (Bad file descriptor) [pid 4064] close(23) = -1 EBADF (Bad file descriptor) [pid 4064] close(24) = -1 EBADF (Bad file descriptor) [pid 4064] close(25) = -1 EBADF (Bad file descriptor) [pid 4064] close(26) = -1 EBADF (Bad file descriptor) [pid 4064] close(27) = -1 EBADF (Bad file descriptor) [pid 4064] close(28) = -1 EBADF (Bad file descriptor) [pid 4064] close(29) = -1 EBADF (Bad file descriptor) [pid 4064] exit_group(0) = ? [pid 4064] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./458", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./458", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./458/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./458/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./458/binderfs") = 0 [pid 3605] umount2("./458/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./458/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./458/cgroup") = 0 [pid 3605] umount2("./458/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./458/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./458/cgroup.net") = 0 [pid 3605] umount2("./458/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./458/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./458/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./458") = 0 [pid 3605] mkdir("./459", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4065 attached [pid 4065] chdir("./459" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 461 [pid 4065] <... chdir resumed>) = 0 [pid 4065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4065] setpgid(0, 0) = 0 [pid 4065] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4065] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4065] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4065] write(3, "1000", 4) = 4 [pid 4065] close(3) = 0 [pid 4065] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4065] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4065] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4065] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4065] openat(3, "freezer.state", O_RDWR) = 4 [pid 4065] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4065] close(3) = 0 [pid 4065] close(4) = 0 [pid 4065] close(5) = -1 EBADF (Bad file descriptor) [pid 4065] close(6) = -1 EBADF (Bad file descriptor) [pid 4065] close(7) = -1 EBADF (Bad file descriptor) [pid 4065] close(8) = -1 EBADF (Bad file descriptor) [pid 4065] close(9) = -1 EBADF (Bad file descriptor) [pid 4065] close(10) = -1 EBADF (Bad file descriptor) [pid 4065] close(11) = -1 EBADF (Bad file descriptor) [pid 4065] close(12) = -1 EBADF (Bad file descriptor) [pid 4065] close(13) = -1 EBADF (Bad file descriptor) [pid 4065] close(14) = -1 EBADF (Bad file descriptor) [pid 4065] close(15) = -1 EBADF (Bad file descriptor) [pid 4065] close(16) = -1 EBADF (Bad file descriptor) [pid 4065] close(17) = -1 EBADF (Bad file descriptor) [pid 4065] close(18) = -1 EBADF (Bad file descriptor) [pid 4065] close(19) = -1 EBADF (Bad file descriptor) [pid 4065] close(20) = -1 EBADF (Bad file descriptor) [pid 4065] close(21) = -1 EBADF (Bad file descriptor) [pid 4065] close(22) = -1 EBADF (Bad file descriptor) [pid 4065] close(23) = -1 EBADF (Bad file descriptor) [pid 4065] close(24) = -1 EBADF (Bad file descriptor) [pid 4065] close(25) = -1 EBADF (Bad file descriptor) [pid 4065] close(26) = -1 EBADF (Bad file descriptor) [pid 4065] close(27) = -1 EBADF (Bad file descriptor) [pid 4065] close(28) = -1 EBADF (Bad file descriptor) [pid 4065] close(29) = -1 EBADF (Bad file descriptor) [pid 4065] exit_group(0) = ? [pid 4065] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./459", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./459", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./459/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./459/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./459/binderfs") = 0 [pid 3605] umount2("./459/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./459/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./459/cgroup") = 0 [pid 3605] umount2("./459/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./459/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./459/cgroup.net") = 0 [pid 3605] umount2("./459/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./459/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./459/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./459") = 0 [pid 3605] mkdir("./460", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4066 attached [pid 4066] chdir("./460") = 0 [pid 4066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4066] setpgid(0, 0) = 0 [pid 4066] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 462 [pid 4066] <... symlink resumed>) = 0 [pid 4066] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4066] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4066] write(3, "1000", 4) = 4 [pid 4066] close(3) = 0 [pid 4066] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4066] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4066] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4066] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4066] openat(3, "freezer.state", O_RDWR) = 4 [pid 4066] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4066] close(3) = 0 [pid 4066] close(4) = 0 [pid 4066] close(5) = -1 EBADF (Bad file descriptor) [pid 4066] close(6) = -1 EBADF (Bad file descriptor) [pid 4066] close(7) = -1 EBADF (Bad file descriptor) [pid 4066] close(8) = -1 EBADF (Bad file descriptor) [pid 4066] close(9) = -1 EBADF (Bad file descriptor) [pid 4066] close(10) = -1 EBADF (Bad file descriptor) [pid 4066] close(11) = -1 EBADF (Bad file descriptor) [pid 4066] close(12) = -1 EBADF (Bad file descriptor) [pid 4066] close(13) = -1 EBADF (Bad file descriptor) [pid 4066] close(14) = -1 EBADF (Bad file descriptor) [pid 4066] close(15) = -1 EBADF (Bad file descriptor) [pid 4066] close(16) = -1 EBADF (Bad file descriptor) [pid 4066] close(17) = -1 EBADF (Bad file descriptor) [pid 4066] close(18) = -1 EBADF (Bad file descriptor) [pid 4066] close(19) = -1 EBADF (Bad file descriptor) [pid 4066] close(20) = -1 EBADF (Bad file descriptor) [pid 4066] close(21) = -1 EBADF (Bad file descriptor) [pid 4066] close(22) = -1 EBADF (Bad file descriptor) [pid 4066] close(23) = -1 EBADF (Bad file descriptor) [pid 4066] close(24) = -1 EBADF (Bad file descriptor) [pid 4066] close(25) = -1 EBADF (Bad file descriptor) [pid 4066] close(26) = -1 EBADF (Bad file descriptor) [pid 4066] close(27) = -1 EBADF (Bad file descriptor) [pid 4066] close(28) = -1 EBADF (Bad file descriptor) [pid 4066] close(29) = -1 EBADF (Bad file descriptor) [pid 4066] exit_group(0) = ? [pid 4066] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=462, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./460", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./460", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./460/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./460/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./460/binderfs") = 0 [pid 3605] umount2("./460/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./460/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./460/cgroup") = 0 [pid 3605] umount2("./460/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./460/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./460/cgroup.net") = 0 [pid 3605] umount2("./460/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./460/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./460/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./460") = 0 [pid 3605] mkdir("./461", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4067 attached [pid 4067] chdir("./461") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 463 [pid 4067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4067] setpgid(0, 0) = 0 [pid 4067] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4067] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4067] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4067] write(3, "1000", 4) = 4 [pid 4067] close(3) = 0 [pid 4067] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4067] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4067] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4067] openat(3, "freezer.state", O_RDWR) = 4 [pid 4067] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4067] close(3) = 0 [pid 4067] close(4) = 0 [pid 4067] close(5) = -1 EBADF (Bad file descriptor) [pid 4067] close(6) = -1 EBADF (Bad file descriptor) [pid 4067] close(7) = -1 EBADF (Bad file descriptor) [pid 4067] close(8) = -1 EBADF (Bad file descriptor) [pid 4067] close(9) = -1 EBADF (Bad file descriptor) [pid 4067] close(10) = -1 EBADF (Bad file descriptor) [pid 4067] close(11) = -1 EBADF (Bad file descriptor) [pid 4067] close(12) = -1 EBADF (Bad file descriptor) [pid 4067] close(13) = -1 EBADF (Bad file descriptor) [pid 4067] close(14) = -1 EBADF (Bad file descriptor) [pid 4067] close(15) = -1 EBADF (Bad file descriptor) [pid 4067] close(16) = -1 EBADF (Bad file descriptor) [pid 4067] close(17) = -1 EBADF (Bad file descriptor) [pid 4067] close(18) = -1 EBADF (Bad file descriptor) [pid 4067] close(19) = -1 EBADF (Bad file descriptor) [pid 4067] close(20) = -1 EBADF (Bad file descriptor) [pid 4067] close(21) = -1 EBADF (Bad file descriptor) [pid 4067] close(22) = -1 EBADF (Bad file descriptor) [pid 4067] close(23) = -1 EBADF (Bad file descriptor) [pid 4067] close(24) = -1 EBADF (Bad file descriptor) [pid 4067] close(25) = -1 EBADF (Bad file descriptor) [pid 4067] close(26) = -1 EBADF (Bad file descriptor) [pid 4067] close(27) = -1 EBADF (Bad file descriptor) [pid 4067] close(28) = -1 EBADF (Bad file descriptor) [pid 4067] close(29) = -1 EBADF (Bad file descriptor) [pid 4067] exit_group(0) = ? [pid 4067] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./461", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./461", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./461/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./461/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./461/binderfs") = 0 [pid 3605] umount2("./461/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./461/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./461/cgroup") = 0 [pid 3605] umount2("./461/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./461/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./461/cgroup.net") = 0 [pid 3605] umount2("./461/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./461/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./461/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./461") = 0 [pid 3605] mkdir("./462", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4068 attached [pid 4068] chdir("./462") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 464 [pid 4068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4068] setpgid(0, 0) = 0 [pid 4068] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4068] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4068] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4068] write(3, "1000", 4) = 4 [pid 4068] close(3) = 0 [pid 4068] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4068] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4068] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4068] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4068] openat(3, "freezer.state", O_RDWR) = 4 [pid 4068] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4068] close(3) = 0 [pid 4068] close(4) = 0 [pid 4068] close(5) = -1 EBADF (Bad file descriptor) [pid 4068] close(6) = -1 EBADF (Bad file descriptor) [pid 4068] close(7) = -1 EBADF (Bad file descriptor) [pid 4068] close(8) = -1 EBADF (Bad file descriptor) [pid 4068] close(9) = -1 EBADF (Bad file descriptor) [pid 4068] close(10) = -1 EBADF (Bad file descriptor) [pid 4068] close(11) = -1 EBADF (Bad file descriptor) [pid 4068] close(12) = -1 EBADF (Bad file descriptor) [pid 4068] close(13) = -1 EBADF (Bad file descriptor) [pid 4068] close(14) = -1 EBADF (Bad file descriptor) [pid 4068] close(15) = -1 EBADF (Bad file descriptor) [pid 4068] close(16) = -1 EBADF (Bad file descriptor) [pid 4068] close(17) = -1 EBADF (Bad file descriptor) [pid 4068] close(18) = -1 EBADF (Bad file descriptor) [pid 4068] close(19) = -1 EBADF (Bad file descriptor) [pid 4068] close(20) = -1 EBADF (Bad file descriptor) [pid 4068] close(21) = -1 EBADF (Bad file descriptor) [pid 4068] close(22) = -1 EBADF (Bad file descriptor) [pid 4068] close(23) = -1 EBADF (Bad file descriptor) [pid 4068] close(24) = -1 EBADF (Bad file descriptor) [pid 4068] close(25) = -1 EBADF (Bad file descriptor) [pid 4068] close(26) = -1 EBADF (Bad file descriptor) [pid 4068] close(27) = -1 EBADF (Bad file descriptor) [pid 4068] close(28) = -1 EBADF (Bad file descriptor) [pid 4068] close(29) = -1 EBADF (Bad file descriptor) [pid 4068] exit_group(0) = ? [pid 4068] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./462", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./462", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./462/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./462/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./462/binderfs") = 0 [pid 3605] umount2("./462/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./462/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./462/cgroup") = 0 [pid 3605] umount2("./462/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./462/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./462/cgroup.net") = 0 [pid 3605] umount2("./462/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./462/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./462/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./462") = 0 [pid 3605] mkdir("./463", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4069 attached [pid 4069] chdir("./463") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 465 [pid 4069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4069] setpgid(0, 0) = 0 [pid 4069] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4069] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4069] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4069] write(3, "1000", 4) = 4 [pid 4069] close(3) = 0 [pid 4069] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4069] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4069] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4069] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4069] openat(3, "freezer.state", O_RDWR) = 4 [pid 4069] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4069] close(3) = 0 [pid 4069] close(4) = 0 [pid 4069] close(5) = -1 EBADF (Bad file descriptor) [pid 4069] close(6) = -1 EBADF (Bad file descriptor) [pid 4069] close(7) = -1 EBADF (Bad file descriptor) [pid 4069] close(8) = -1 EBADF (Bad file descriptor) [pid 4069] close(9) = -1 EBADF (Bad file descriptor) [pid 4069] close(10) = -1 EBADF (Bad file descriptor) [pid 4069] close(11) = -1 EBADF (Bad file descriptor) [pid 4069] close(12) = -1 EBADF (Bad file descriptor) [pid 4069] close(13) = -1 EBADF (Bad file descriptor) [pid 4069] close(14) = -1 EBADF (Bad file descriptor) [pid 4069] close(15) = -1 EBADF (Bad file descriptor) [pid 4069] close(16) = -1 EBADF (Bad file descriptor) [pid 4069] close(17) = -1 EBADF (Bad file descriptor) [pid 4069] close(18) = -1 EBADF (Bad file descriptor) [pid 4069] close(19) = -1 EBADF (Bad file descriptor) [pid 4069] close(20) = -1 EBADF (Bad file descriptor) [pid 4069] close(21) = -1 EBADF (Bad file descriptor) [pid 4069] close(22) = -1 EBADF (Bad file descriptor) [pid 4069] close(23) = -1 EBADF (Bad file descriptor) [pid 4069] close(24) = -1 EBADF (Bad file descriptor) [pid 4069] close(25) = -1 EBADF (Bad file descriptor) [pid 4069] close(26) = -1 EBADF (Bad file descriptor) [pid 4069] close(27) = -1 EBADF (Bad file descriptor) [pid 4069] close(28) = -1 EBADF (Bad file descriptor) [pid 4069] close(29) = -1 EBADF (Bad file descriptor) [pid 4069] exit_group(0) = ? [pid 4069] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./463", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./463", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./463/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./463/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./463/binderfs") = 0 [pid 3605] umount2("./463/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./463/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./463/cgroup") = 0 [pid 3605] umount2("./463/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./463/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./463/cgroup.net") = 0 [pid 3605] umount2("./463/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./463/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./463/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./463") = 0 [pid 3605] mkdir("./464", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4070 attached [pid 4070] chdir("./464") = 0 [pid 4070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4070] setpgid(0, 0) = 0 [pid 4070] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 466 [pid 4070] <... symlink resumed>) = 0 [pid 4070] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4070] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4070] write(3, "1000", 4) = 4 [pid 4070] close(3) = 0 [pid 4070] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4070] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4070] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4070] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4070] openat(3, "freezer.state", O_RDWR) = 4 [pid 4070] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4070] close(3) = 0 [pid 4070] close(4) = 0 [pid 4070] close(5) = -1 EBADF (Bad file descriptor) [pid 4070] close(6) = -1 EBADF (Bad file descriptor) [pid 4070] close(7) = -1 EBADF (Bad file descriptor) [pid 4070] close(8) = -1 EBADF (Bad file descriptor) [pid 4070] close(9) = -1 EBADF (Bad file descriptor) [pid 4070] close(10) = -1 EBADF (Bad file descriptor) [pid 4070] close(11) = -1 EBADF (Bad file descriptor) [pid 4070] close(12) = -1 EBADF (Bad file descriptor) [pid 4070] close(13) = -1 EBADF (Bad file descriptor) [pid 4070] close(14) = -1 EBADF (Bad file descriptor) [pid 4070] close(15) = -1 EBADF (Bad file descriptor) [pid 4070] close(16) = -1 EBADF (Bad file descriptor) [pid 4070] close(17) = -1 EBADF (Bad file descriptor) [pid 4070] close(18) = -1 EBADF (Bad file descriptor) [pid 4070] close(19) = -1 EBADF (Bad file descriptor) [pid 4070] close(20) = -1 EBADF (Bad file descriptor) [pid 4070] close(21) = -1 EBADF (Bad file descriptor) [pid 4070] close(22) = -1 EBADF (Bad file descriptor) [pid 4070] close(23) = -1 EBADF (Bad file descriptor) [pid 4070] close(24) = -1 EBADF (Bad file descriptor) [pid 4070] close(25) = -1 EBADF (Bad file descriptor) [pid 4070] close(26) = -1 EBADF (Bad file descriptor) [pid 4070] close(27) = -1 EBADF (Bad file descriptor) [pid 4070] close(28) = -1 EBADF (Bad file descriptor) [pid 4070] close(29) = -1 EBADF (Bad file descriptor) [pid 4070] exit_group(0) = ? [pid 4070] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./464", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./464", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./464/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./464/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./464/binderfs") = 0 [pid 3605] umount2("./464/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./464/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./464/cgroup") = 0 [pid 3605] umount2("./464/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./464/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./464/cgroup.net") = 0 [pid 3605] umount2("./464/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./464/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./464/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./464") = 0 [pid 3605] mkdir("./465", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 467 ./strace-static-x86_64: Process 4071 attached [pid 4071] chdir("./465") = 0 [pid 4071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4071] setpgid(0, 0) = 0 [pid 4071] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4071] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4071] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4071] write(3, "1000", 4) = 4 [pid 4071] close(3) = 0 [pid 4071] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4071] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4071] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4071] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4071] openat(3, "freezer.state", O_RDWR) = 4 [pid 4071] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4071] close(3) = 0 [pid 4071] close(4) = 0 [pid 4071] close(5) = -1 EBADF (Bad file descriptor) [pid 4071] close(6) = -1 EBADF (Bad file descriptor) [pid 4071] close(7) = -1 EBADF (Bad file descriptor) [pid 4071] close(8) = -1 EBADF (Bad file descriptor) [pid 4071] close(9) = -1 EBADF (Bad file descriptor) [pid 4071] close(10) = -1 EBADF (Bad file descriptor) [pid 4071] close(11) = -1 EBADF (Bad file descriptor) [pid 4071] close(12) = -1 EBADF (Bad file descriptor) [pid 4071] close(13) = -1 EBADF (Bad file descriptor) [pid 4071] close(14) = -1 EBADF (Bad file descriptor) [pid 4071] close(15) = -1 EBADF (Bad file descriptor) [pid 4071] close(16) = -1 EBADF (Bad file descriptor) [pid 4071] close(17) = -1 EBADF (Bad file descriptor) [pid 4071] close(18) = -1 EBADF (Bad file descriptor) [pid 4071] close(19) = -1 EBADF (Bad file descriptor) [pid 4071] close(20) = -1 EBADF (Bad file descriptor) [pid 4071] close(21) = -1 EBADF (Bad file descriptor) [pid 4071] close(22) = -1 EBADF (Bad file descriptor) [pid 4071] close(23) = -1 EBADF (Bad file descriptor) [pid 4071] close(24) = -1 EBADF (Bad file descriptor) [pid 4071] close(25) = -1 EBADF (Bad file descriptor) [pid 4071] close(26) = -1 EBADF (Bad file descriptor) [pid 4071] close(27) = -1 EBADF (Bad file descriptor) [pid 4071] close(28) = -1 EBADF (Bad file descriptor) [pid 4071] close(29) = -1 EBADF (Bad file descriptor) [pid 4071] exit_group(0) = ? [pid 4071] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./465", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./465", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./465/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./465/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./465/binderfs") = 0 [pid 3605] umount2("./465/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./465/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./465/cgroup") = 0 [pid 3605] umount2("./465/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./465/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./465/cgroup.net") = 0 [pid 3605] umount2("./465/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./465/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./465/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./465") = 0 [pid 3605] mkdir("./466", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4072 attached , child_tidptr=0x555556c0f5d0) = 468 [pid 4072] chdir("./466") = 0 [pid 4072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4072] setpgid(0, 0) = 0 [pid 4072] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4072] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4072] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4072] write(3, "1000", 4) = 4 [pid 4072] close(3) = 0 [pid 4072] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4072] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4072] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4072] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4072] openat(3, "freezer.state", O_RDWR) = 4 [pid 4072] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4072] close(3) = 0 [pid 4072] close(4) = 0 [pid 4072] close(5) = -1 EBADF (Bad file descriptor) [pid 4072] close(6) = -1 EBADF (Bad file descriptor) [pid 4072] close(7) = -1 EBADF (Bad file descriptor) [pid 4072] close(8) = -1 EBADF (Bad file descriptor) [pid 4072] close(9) = -1 EBADF (Bad file descriptor) [pid 4072] close(10) = -1 EBADF (Bad file descriptor) [pid 4072] close(11) = -1 EBADF (Bad file descriptor) [pid 4072] close(12) = -1 EBADF (Bad file descriptor) [pid 4072] close(13) = -1 EBADF (Bad file descriptor) [pid 4072] close(14) = -1 EBADF (Bad file descriptor) [pid 4072] close(15) = -1 EBADF (Bad file descriptor) [pid 4072] close(16) = -1 EBADF (Bad file descriptor) [pid 4072] close(17) = -1 EBADF (Bad file descriptor) [pid 4072] close(18) = -1 EBADF (Bad file descriptor) [pid 4072] close(19) = -1 EBADF (Bad file descriptor) [pid 4072] close(20) = -1 EBADF (Bad file descriptor) [pid 4072] close(21) = -1 EBADF (Bad file descriptor) [pid 4072] close(22) = -1 EBADF (Bad file descriptor) [pid 4072] close(23) = -1 EBADF (Bad file descriptor) [pid 4072] close(24) = -1 EBADF (Bad file descriptor) [pid 4072] close(25) = -1 EBADF (Bad file descriptor) [pid 4072] close(26) = -1 EBADF (Bad file descriptor) [pid 4072] close(27) = -1 EBADF (Bad file descriptor) [pid 4072] close(28) = -1 EBADF (Bad file descriptor) [pid 4072] close(29) = -1 EBADF (Bad file descriptor) [pid 4072] exit_group(0) = ? [pid 4072] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./466", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./466", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./466/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./466/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./466/binderfs") = 0 [pid 3605] umount2("./466/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./466/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./466/cgroup") = 0 [pid 3605] umount2("./466/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./466/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./466/cgroup.net") = 0 [pid 3605] umount2("./466/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./466/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./466/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./466") = 0 [pid 3605] mkdir("./467", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4073 attached [pid 4073] chdir("./467") = 0 [pid 4073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4073] setpgid(0, 0) = 0 [pid 4073] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 469 [pid 4073] <... symlink resumed>) = 0 [pid 4073] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4073] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4073] write(3, "1000", 4) = 4 [pid 4073] close(3) = 0 [pid 4073] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4073] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4073] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4073] openat(3, "freezer.state", O_RDWR) = 4 [pid 4073] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4073] close(3) = 0 [pid 4073] close(4) = 0 [pid 4073] close(5) = -1 EBADF (Bad file descriptor) [pid 4073] close(6) = -1 EBADF (Bad file descriptor) [pid 4073] close(7) = -1 EBADF (Bad file descriptor) [pid 4073] close(8) = -1 EBADF (Bad file descriptor) [pid 4073] close(9) = -1 EBADF (Bad file descriptor) [pid 4073] close(10) = -1 EBADF (Bad file descriptor) [pid 4073] close(11) = -1 EBADF (Bad file descriptor) [pid 4073] close(12) = -1 EBADF (Bad file descriptor) [pid 4073] close(13) = -1 EBADF (Bad file descriptor) [pid 4073] close(14) = -1 EBADF (Bad file descriptor) [pid 4073] close(15) = -1 EBADF (Bad file descriptor) [pid 4073] close(16) = -1 EBADF (Bad file descriptor) [pid 4073] close(17) = -1 EBADF (Bad file descriptor) [pid 4073] close(18) = -1 EBADF (Bad file descriptor) [pid 4073] close(19) = -1 EBADF (Bad file descriptor) [pid 4073] close(20) = -1 EBADF (Bad file descriptor) [pid 4073] close(21) = -1 EBADF (Bad file descriptor) [pid 4073] close(22) = -1 EBADF (Bad file descriptor) [pid 4073] close(23) = -1 EBADF (Bad file descriptor) [pid 4073] close(24) = -1 EBADF (Bad file descriptor) [pid 4073] close(25) = -1 EBADF (Bad file descriptor) [pid 4073] close(26) = -1 EBADF (Bad file descriptor) [pid 4073] close(27) = -1 EBADF (Bad file descriptor) [pid 4073] close(28) = -1 EBADF (Bad file descriptor) [pid 4073] close(29) = -1 EBADF (Bad file descriptor) [pid 4073] exit_group(0) = ? [pid 4073] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./467", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./467", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./467/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./467/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./467/binderfs") = 0 [pid 3605] umount2("./467/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./467/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./467/cgroup") = 0 [pid 3605] umount2("./467/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./467/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./467/cgroup.net") = 0 [pid 3605] umount2("./467/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./467/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./467/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./467") = 0 [pid 3605] mkdir("./468", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 470 ./strace-static-x86_64: Process 4074 attached [pid 4074] chdir("./468") = 0 [pid 4074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4074] setpgid(0, 0) = 0 [pid 4074] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4074] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4074] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4074] write(3, "1000", 4) = 4 [pid 4074] close(3) = 0 [pid 4074] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4074] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4074] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4074] openat(3, "freezer.state", O_RDWR) = 4 [pid 4074] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4074] close(3) = 0 [pid 4074] close(4) = 0 [pid 4074] close(5) = -1 EBADF (Bad file descriptor) [pid 4074] close(6) = -1 EBADF (Bad file descriptor) [pid 4074] close(7) = -1 EBADF (Bad file descriptor) [pid 4074] close(8) = -1 EBADF (Bad file descriptor) [pid 4074] close(9) = -1 EBADF (Bad file descriptor) [pid 4074] close(10) = -1 EBADF (Bad file descriptor) [pid 4074] close(11) = -1 EBADF (Bad file descriptor) [pid 4074] close(12) = -1 EBADF (Bad file descriptor) [pid 4074] close(13) = -1 EBADF (Bad file descriptor) [pid 4074] close(14) = -1 EBADF (Bad file descriptor) [pid 4074] close(15) = -1 EBADF (Bad file descriptor) [pid 4074] close(16) = -1 EBADF (Bad file descriptor) [pid 4074] close(17) = -1 EBADF (Bad file descriptor) [pid 4074] close(18) = -1 EBADF (Bad file descriptor) [pid 4074] close(19) = -1 EBADF (Bad file descriptor) [pid 4074] close(20) = -1 EBADF (Bad file descriptor) [pid 4074] close(21) = -1 EBADF (Bad file descriptor) [pid 4074] close(22) = -1 EBADF (Bad file descriptor) [pid 4074] close(23) = -1 EBADF (Bad file descriptor) [pid 4074] close(24) = -1 EBADF (Bad file descriptor) [pid 4074] close(25) = -1 EBADF (Bad file descriptor) [pid 4074] close(26) = -1 EBADF (Bad file descriptor) [pid 4074] close(27) = -1 EBADF (Bad file descriptor) [pid 4074] close(28) = -1 EBADF (Bad file descriptor) [pid 4074] close(29) = -1 EBADF (Bad file descriptor) [pid 4074] exit_group(0) = ? [pid 4074] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./468", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./468", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./468/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./468/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./468/binderfs") = 0 [pid 3605] umount2("./468/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./468/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./468/cgroup") = 0 [pid 3605] umount2("./468/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./468/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./468/cgroup.net") = 0 [pid 3605] umount2("./468/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./468/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./468/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./468") = 0 [pid 3605] mkdir("./469", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4075 attached [pid 4075] chdir("./469") = 0 [pid 4075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4075] setpgid(0, 0) = 0 [pid 4075] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 471 [pid 4075] <... symlink resumed>) = 0 [pid 4075] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4075] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4075] write(3, "1000", 4) = 4 [pid 4075] close(3) = 0 [pid 4075] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4075] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4075] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4075] openat(3, "freezer.state", O_RDWR) = 4 [pid 4075] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4075] close(3) = 0 [pid 4075] close(4) = 0 [pid 4075] close(5) = -1 EBADF (Bad file descriptor) [pid 4075] close(6) = -1 EBADF (Bad file descriptor) [pid 4075] close(7) = -1 EBADF (Bad file descriptor) [pid 4075] close(8) = -1 EBADF (Bad file descriptor) [pid 4075] close(9) = -1 EBADF (Bad file descriptor) [pid 4075] close(10) = -1 EBADF (Bad file descriptor) [pid 4075] close(11) = -1 EBADF (Bad file descriptor) [pid 4075] close(12) = -1 EBADF (Bad file descriptor) [pid 4075] close(13) = -1 EBADF (Bad file descriptor) [pid 4075] close(14) = -1 EBADF (Bad file descriptor) [pid 4075] close(15) = -1 EBADF (Bad file descriptor) [pid 4075] close(16) = -1 EBADF (Bad file descriptor) [pid 4075] close(17) = -1 EBADF (Bad file descriptor) [pid 4075] close(18) = -1 EBADF (Bad file descriptor) [pid 4075] close(19) = -1 EBADF (Bad file descriptor) [pid 4075] close(20) = -1 EBADF (Bad file descriptor) [pid 4075] close(21) = -1 EBADF (Bad file descriptor) [pid 4075] close(22) = -1 EBADF (Bad file descriptor) [pid 4075] close(23) = -1 EBADF (Bad file descriptor) [pid 4075] close(24) = -1 EBADF (Bad file descriptor) [pid 4075] close(25) = -1 EBADF (Bad file descriptor) [pid 4075] close(26) = -1 EBADF (Bad file descriptor) [pid 4075] close(27) = -1 EBADF (Bad file descriptor) [pid 4075] close(28) = -1 EBADF (Bad file descriptor) [pid 4075] close(29) = -1 EBADF (Bad file descriptor) [pid 4075] exit_group(0) = ? [pid 4075] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./469", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./469", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./469/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./469/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./469/binderfs") = 0 [pid 3605] umount2("./469/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./469/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./469/cgroup") = 0 [pid 3605] umount2("./469/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./469/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./469/cgroup.net") = 0 [pid 3605] umount2("./469/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./469/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./469/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./469") = 0 [pid 3605] mkdir("./470", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4076 attached [pid 4076] chdir("./470" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 472 [pid 4076] <... chdir resumed>) = 0 [pid 4076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4076] setpgid(0, 0) = 0 [pid 4076] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4076] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4076] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4076] write(3, "1000", 4) = 4 [pid 4076] close(3) = 0 [pid 4076] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4076] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4076] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4076] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4076] openat(3, "freezer.state", O_RDWR) = 4 [pid 4076] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4076] close(3) = 0 [pid 4076] close(4) = 0 [pid 4076] close(5) = -1 EBADF (Bad file descriptor) [pid 4076] close(6) = -1 EBADF (Bad file descriptor) [pid 4076] close(7) = -1 EBADF (Bad file descriptor) [pid 4076] close(8) = -1 EBADF (Bad file descriptor) [pid 4076] close(9) = -1 EBADF (Bad file descriptor) [pid 4076] close(10) = -1 EBADF (Bad file descriptor) [pid 4076] close(11) = -1 EBADF (Bad file descriptor) [pid 4076] close(12) = -1 EBADF (Bad file descriptor) [pid 4076] close(13) = -1 EBADF (Bad file descriptor) [pid 4076] close(14) = -1 EBADF (Bad file descriptor) [pid 4076] close(15) = -1 EBADF (Bad file descriptor) [pid 4076] close(16) = -1 EBADF (Bad file descriptor) [pid 4076] close(17) = -1 EBADF (Bad file descriptor) [pid 4076] close(18) = -1 EBADF (Bad file descriptor) [pid 4076] close(19) = -1 EBADF (Bad file descriptor) [pid 4076] close(20) = -1 EBADF (Bad file descriptor) [pid 4076] close(21) = -1 EBADF (Bad file descriptor) [pid 4076] close(22) = -1 EBADF (Bad file descriptor) [pid 4076] close(23) = -1 EBADF (Bad file descriptor) [pid 4076] close(24) = -1 EBADF (Bad file descriptor) [pid 4076] close(25) = -1 EBADF (Bad file descriptor) [pid 4076] close(26) = -1 EBADF (Bad file descriptor) [pid 4076] close(27) = -1 EBADF (Bad file descriptor) [pid 4076] close(28) = -1 EBADF (Bad file descriptor) [pid 4076] close(29) = -1 EBADF (Bad file descriptor) [pid 4076] exit_group(0) = ? [pid 4076] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./470", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./470", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./470/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./470/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./470/binderfs") = 0 [pid 3605] umount2("./470/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./470/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./470/cgroup") = 0 [pid 3605] umount2("./470/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./470/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./470/cgroup.net") = 0 [pid 3605] umount2("./470/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./470/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./470/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./470") = 0 [pid 3605] mkdir("./471", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 473 ./strace-static-x86_64: Process 4077 attached [pid 4077] chdir("./471") = 0 [pid 4077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4077] setpgid(0, 0) = 0 [pid 4077] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4077] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4077] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4077] write(3, "1000", 4) = 4 [pid 4077] close(3) = 0 [pid 4077] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4077] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4077] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4077] openat(3, "freezer.state", O_RDWR) = 4 [pid 4077] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4077] close(3) = 0 [pid 4077] close(4) = 0 [pid 4077] close(5) = -1 EBADF (Bad file descriptor) [pid 4077] close(6) = -1 EBADF (Bad file descriptor) [pid 4077] close(7) = -1 EBADF (Bad file descriptor) [pid 4077] close(8) = -1 EBADF (Bad file descriptor) [pid 4077] close(9) = -1 EBADF (Bad file descriptor) [pid 4077] close(10) = -1 EBADF (Bad file descriptor) [pid 4077] close(11) = -1 EBADF (Bad file descriptor) [pid 4077] close(12) = -1 EBADF (Bad file descriptor) [pid 4077] close(13) = -1 EBADF (Bad file descriptor) [pid 4077] close(14) = -1 EBADF (Bad file descriptor) [pid 4077] close(15) = -1 EBADF (Bad file descriptor) [pid 4077] close(16) = -1 EBADF (Bad file descriptor) [pid 4077] close(17) = -1 EBADF (Bad file descriptor) [pid 4077] close(18) = -1 EBADF (Bad file descriptor) [pid 4077] close(19) = -1 EBADF (Bad file descriptor) [pid 4077] close(20) = -1 EBADF (Bad file descriptor) [pid 4077] close(21) = -1 EBADF (Bad file descriptor) [pid 4077] close(22) = -1 EBADF (Bad file descriptor) [pid 4077] close(23) = -1 EBADF (Bad file descriptor) [pid 4077] close(24) = -1 EBADF (Bad file descriptor) [pid 4077] close(25) = -1 EBADF (Bad file descriptor) [pid 4077] close(26) = -1 EBADF (Bad file descriptor) [pid 4077] close(27) = -1 EBADF (Bad file descriptor) [pid 4077] close(28) = -1 EBADF (Bad file descriptor) [pid 4077] close(29) = -1 EBADF (Bad file descriptor) [pid 4077] exit_group(0) = ? [pid 4077] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./471", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./471", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./471/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./471/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./471/binderfs") = 0 [pid 3605] umount2("./471/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./471/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./471/cgroup") = 0 [pid 3605] umount2("./471/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./471/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./471/cgroup.net") = 0 [pid 3605] umount2("./471/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./471/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./471/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./471") = 0 [pid 3605] mkdir("./472", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4078 attached , child_tidptr=0x555556c0f5d0) = 474 [pid 4078] chdir("./472") = 0 [pid 4078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4078] setpgid(0, 0) = 0 [pid 4078] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4078] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4078] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4078] write(3, "1000", 4) = 4 [pid 4078] close(3) = 0 [pid 4078] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4078] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4078] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4078] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4078] openat(3, "freezer.state", O_RDWR) = 4 [pid 4078] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4078] close(3) = 0 [pid 4078] close(4) = 0 [pid 4078] close(5) = -1 EBADF (Bad file descriptor) [pid 4078] close(6) = -1 EBADF (Bad file descriptor) [pid 4078] close(7) = -1 EBADF (Bad file descriptor) [pid 4078] close(8) = -1 EBADF (Bad file descriptor) [pid 4078] close(9) = -1 EBADF (Bad file descriptor) [pid 4078] close(10) = -1 EBADF (Bad file descriptor) [pid 4078] close(11) = -1 EBADF (Bad file descriptor) [pid 4078] close(12) = -1 EBADF (Bad file descriptor) [pid 4078] close(13) = -1 EBADF (Bad file descriptor) [pid 4078] close(14) = -1 EBADF (Bad file descriptor) [pid 4078] close(15) = -1 EBADF (Bad file descriptor) [pid 4078] close(16) = -1 EBADF (Bad file descriptor) [pid 4078] close(17) = -1 EBADF (Bad file descriptor) [pid 4078] close(18) = -1 EBADF (Bad file descriptor) [pid 4078] close(19) = -1 EBADF (Bad file descriptor) [pid 4078] close(20) = -1 EBADF (Bad file descriptor) [pid 4078] close(21) = -1 EBADF (Bad file descriptor) [pid 4078] close(22) = -1 EBADF (Bad file descriptor) [pid 4078] close(23) = -1 EBADF (Bad file descriptor) [pid 4078] close(24) = -1 EBADF (Bad file descriptor) [pid 4078] close(25) = -1 EBADF (Bad file descriptor) [pid 4078] close(26) = -1 EBADF (Bad file descriptor) [pid 4078] close(27) = -1 EBADF (Bad file descriptor) [pid 4078] close(28) = -1 EBADF (Bad file descriptor) [pid 4078] close(29) = -1 EBADF (Bad file descriptor) [pid 4078] exit_group(0) = ? [pid 4078] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./472", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./472", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./472/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./472/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./472/binderfs") = 0 [pid 3605] umount2("./472/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./472/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./472/cgroup") = 0 [pid 3605] umount2("./472/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./472/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./472/cgroup.net") = 0 [pid 3605] umount2("./472/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./472/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./472/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./472") = 0 [pid 3605] mkdir("./473", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4079 attached , child_tidptr=0x555556c0f5d0) = 475 [pid 4079] chdir("./473") = 0 [pid 4079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4079] setpgid(0, 0) = 0 [pid 4079] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4079] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4079] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4079] write(3, "1000", 4) = 4 [pid 4079] close(3) = 0 [pid 4079] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4079] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4079] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4079] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4079] openat(3, "freezer.state", O_RDWR) = 4 [pid 4079] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4079] close(3) = 0 [pid 4079] close(4) = 0 [pid 4079] close(5) = -1 EBADF (Bad file descriptor) [pid 4079] close(6) = -1 EBADF (Bad file descriptor) [pid 4079] close(7) = -1 EBADF (Bad file descriptor) [pid 4079] close(8) = -1 EBADF (Bad file descriptor) [pid 4079] close(9) = -1 EBADF (Bad file descriptor) [pid 4079] close(10) = -1 EBADF (Bad file descriptor) [pid 4079] close(11) = -1 EBADF (Bad file descriptor) [pid 4079] close(12) = -1 EBADF (Bad file descriptor) [pid 4079] close(13) = -1 EBADF (Bad file descriptor) [pid 4079] close(14) = -1 EBADF (Bad file descriptor) [pid 4079] close(15) = -1 EBADF (Bad file descriptor) [pid 4079] close(16) = -1 EBADF (Bad file descriptor) [pid 4079] close(17) = -1 EBADF (Bad file descriptor) [pid 4079] close(18) = -1 EBADF (Bad file descriptor) [pid 4079] close(19) = -1 EBADF (Bad file descriptor) [pid 4079] close(20) = -1 EBADF (Bad file descriptor) [pid 4079] close(21) = -1 EBADF (Bad file descriptor) [pid 4079] close(22) = -1 EBADF (Bad file descriptor) [pid 4079] close(23) = -1 EBADF (Bad file descriptor) [pid 4079] close(24) = -1 EBADF (Bad file descriptor) [pid 4079] close(25) = -1 EBADF (Bad file descriptor) [pid 4079] close(26) = -1 EBADF (Bad file descriptor) [pid 4079] close(27) = -1 EBADF (Bad file descriptor) [pid 4079] close(28) = -1 EBADF (Bad file descriptor) [pid 4079] close(29) = -1 EBADF (Bad file descriptor) [pid 4079] exit_group(0) = ? [pid 4079] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./473", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./473", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./473/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./473/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./473/binderfs") = 0 [pid 3605] umount2("./473/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./473/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./473/cgroup") = 0 [pid 3605] umount2("./473/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./473/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./473/cgroup.net") = 0 [pid 3605] umount2("./473/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./473/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./473/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./473") = 0 [pid 3605] mkdir("./474", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4080 attached [pid 4080] chdir("./474") = 0 [pid 4080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4080] setpgid(0, 0) = 0 [pid 4080] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 476 [pid 4080] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4080] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4080] write(3, "1000", 4) = 4 [pid 4080] close(3) = 0 [pid 4080] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4080] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4080] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4080] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4080] openat(3, "freezer.state", O_RDWR) = 4 [pid 4080] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4080] close(3) = 0 [pid 4080] close(4) = 0 [pid 4080] close(5) = -1 EBADF (Bad file descriptor) [pid 4080] close(6) = -1 EBADF (Bad file descriptor) [pid 4080] close(7) = -1 EBADF (Bad file descriptor) [pid 4080] close(8) = -1 EBADF (Bad file descriptor) [pid 4080] close(9) = -1 EBADF (Bad file descriptor) [pid 4080] close(10) = -1 EBADF (Bad file descriptor) [pid 4080] close(11) = -1 EBADF (Bad file descriptor) [pid 4080] close(12) = -1 EBADF (Bad file descriptor) [pid 4080] close(13) = -1 EBADF (Bad file descriptor) [pid 4080] close(14) = -1 EBADF (Bad file descriptor) [pid 4080] close(15) = -1 EBADF (Bad file descriptor) [pid 4080] close(16) = -1 EBADF (Bad file descriptor) [pid 4080] close(17) = -1 EBADF (Bad file descriptor) [pid 4080] close(18) = -1 EBADF (Bad file descriptor) [pid 4080] close(19) = -1 EBADF (Bad file descriptor) [pid 4080] close(20) = -1 EBADF (Bad file descriptor) [pid 4080] close(21) = -1 EBADF (Bad file descriptor) [pid 4080] close(22) = -1 EBADF (Bad file descriptor) [pid 4080] close(23) = -1 EBADF (Bad file descriptor) [pid 4080] close(24) = -1 EBADF (Bad file descriptor) [pid 4080] close(25) = -1 EBADF (Bad file descriptor) [pid 4080] close(26) = -1 EBADF (Bad file descriptor) [pid 4080] close(27) = -1 EBADF (Bad file descriptor) [pid 4080] close(28) = -1 EBADF (Bad file descriptor) [pid 4080] close(29) = -1 EBADF (Bad file descriptor) [pid 4080] exit_group(0) = ? [pid 4080] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./474", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./474", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./474/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./474/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./474/binderfs") = 0 [pid 3605] umount2("./474/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./474/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./474/cgroup") = 0 [pid 3605] umount2("./474/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./474/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./474/cgroup.net") = 0 [pid 3605] umount2("./474/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./474/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./474/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./474") = 0 [pid 3605] mkdir("./475", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4081 attached [pid 4081] chdir("./475") = 0 [pid 4081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4081] setpgid(0, 0) = 0 [pid 4081] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 477 [pid 4081] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4081] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4081] write(3, "1000", 4) = 4 [pid 4081] close(3) = 0 [pid 4081] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4081] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4081] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4081] openat(3, "freezer.state", O_RDWR) = 4 [pid 4081] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4081] close(3) = 0 [pid 4081] close(4) = 0 [pid 4081] close(5) = -1 EBADF (Bad file descriptor) [pid 4081] close(6) = -1 EBADF (Bad file descriptor) [pid 4081] close(7) = -1 EBADF (Bad file descriptor) [pid 4081] close(8) = -1 EBADF (Bad file descriptor) [pid 4081] close(9) = -1 EBADF (Bad file descriptor) [pid 4081] close(10) = -1 EBADF (Bad file descriptor) [pid 4081] close(11) = -1 EBADF (Bad file descriptor) [pid 4081] close(12) = -1 EBADF (Bad file descriptor) [pid 4081] close(13) = -1 EBADF (Bad file descriptor) [pid 4081] close(14) = -1 EBADF (Bad file descriptor) [pid 4081] close(15) = -1 EBADF (Bad file descriptor) [pid 4081] close(16) = -1 EBADF (Bad file descriptor) [pid 4081] close(17) = -1 EBADF (Bad file descriptor) [pid 4081] close(18) = -1 EBADF (Bad file descriptor) [pid 4081] close(19) = -1 EBADF (Bad file descriptor) [pid 4081] close(20) = -1 EBADF (Bad file descriptor) [pid 4081] close(21) = -1 EBADF (Bad file descriptor) [pid 4081] close(22) = -1 EBADF (Bad file descriptor) [pid 4081] close(23) = -1 EBADF (Bad file descriptor) [pid 4081] close(24) = -1 EBADF (Bad file descriptor) [pid 4081] close(25) = -1 EBADF (Bad file descriptor) [pid 4081] close(26) = -1 EBADF (Bad file descriptor) [pid 4081] close(27) = -1 EBADF (Bad file descriptor) [pid 4081] close(28) = -1 EBADF (Bad file descriptor) [pid 4081] close(29) = -1 EBADF (Bad file descriptor) [pid 4081] exit_group(0) = ? [pid 4081] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./475", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./475", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./475/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./475/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./475/binderfs") = 0 [pid 3605] umount2("./475/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./475/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./475/cgroup") = 0 [pid 3605] umount2("./475/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./475/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./475/cgroup.net") = 0 [pid 3605] umount2("./475/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./475/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./475/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./475") = 0 [pid 3605] mkdir("./476", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4082 attached [pid 4082] chdir("./476" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 478 [pid 4082] <... chdir resumed>) = 0 [pid 4082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4082] setpgid(0, 0) = 0 [pid 4082] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4082] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4082] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4082] write(3, "1000", 4) = 4 [pid 4082] close(3) = 0 [pid 4082] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4082] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4082] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4082] openat(3, "freezer.state", O_RDWR) = 4 [pid 4082] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4082] close(3) = 0 [pid 4082] close(4) = 0 [pid 4082] close(5) = -1 EBADF (Bad file descriptor) [pid 4082] close(6) = -1 EBADF (Bad file descriptor) [pid 4082] close(7) = -1 EBADF (Bad file descriptor) [pid 4082] close(8) = -1 EBADF (Bad file descriptor) [pid 4082] close(9) = -1 EBADF (Bad file descriptor) [pid 4082] close(10) = -1 EBADF (Bad file descriptor) [pid 4082] close(11) = -1 EBADF (Bad file descriptor) [pid 4082] close(12) = -1 EBADF (Bad file descriptor) [pid 4082] close(13) = -1 EBADF (Bad file descriptor) [pid 4082] close(14) = -1 EBADF (Bad file descriptor) [pid 4082] close(15) = -1 EBADF (Bad file descriptor) [pid 4082] close(16) = -1 EBADF (Bad file descriptor) [pid 4082] close(17) = -1 EBADF (Bad file descriptor) [pid 4082] close(18) = -1 EBADF (Bad file descriptor) [pid 4082] close(19) = -1 EBADF (Bad file descriptor) [pid 4082] close(20) = -1 EBADF (Bad file descriptor) [pid 4082] close(21) = -1 EBADF (Bad file descriptor) [pid 4082] close(22) = -1 EBADF (Bad file descriptor) [pid 4082] close(23) = -1 EBADF (Bad file descriptor) [pid 4082] close(24) = -1 EBADF (Bad file descriptor) [pid 4082] close(25) = -1 EBADF (Bad file descriptor) [pid 4082] close(26) = -1 EBADF (Bad file descriptor) [pid 4082] close(27) = -1 EBADF (Bad file descriptor) [pid 4082] close(28) = -1 EBADF (Bad file descriptor) [pid 4082] close(29) = -1 EBADF (Bad file descriptor) [pid 4082] exit_group(0) = ? [pid 4082] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./476", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./476", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./476/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./476/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./476/binderfs") = 0 [pid 3605] umount2("./476/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./476/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./476/cgroup") = 0 [pid 3605] umount2("./476/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./476/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./476/cgroup.net") = 0 [pid 3605] umount2("./476/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./476/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./476/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./476") = 0 [pid 3605] mkdir("./477", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4083 attached [pid 4083] chdir("./477") = 0 [pid 4083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4083] setpgid(0, 0) = 0 [pid 4083] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 479 [pid 4083] <... symlink resumed>) = 0 [pid 4083] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4083] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4083] write(3, "1000", 4) = 4 [pid 4083] close(3) = 0 [pid 4083] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4083] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4083] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4083] openat(3, "freezer.state", O_RDWR) = 4 [pid 4083] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4083] close(3) = 0 [pid 4083] close(4) = 0 [pid 4083] close(5) = -1 EBADF (Bad file descriptor) [pid 4083] close(6) = -1 EBADF (Bad file descriptor) [pid 4083] close(7) = -1 EBADF (Bad file descriptor) [pid 4083] close(8) = -1 EBADF (Bad file descriptor) [pid 4083] close(9) = -1 EBADF (Bad file descriptor) [pid 4083] close(10) = -1 EBADF (Bad file descriptor) [pid 4083] close(11) = -1 EBADF (Bad file descriptor) [pid 4083] close(12) = -1 EBADF (Bad file descriptor) [pid 4083] close(13) = -1 EBADF (Bad file descriptor) [pid 4083] close(14) = -1 EBADF (Bad file descriptor) [pid 4083] close(15) = -1 EBADF (Bad file descriptor) [pid 4083] close(16) = -1 EBADF (Bad file descriptor) [pid 4083] close(17) = -1 EBADF (Bad file descriptor) [pid 4083] close(18) = -1 EBADF (Bad file descriptor) [pid 4083] close(19) = -1 EBADF (Bad file descriptor) [pid 4083] close(20) = -1 EBADF (Bad file descriptor) [pid 4083] close(21) = -1 EBADF (Bad file descriptor) [pid 4083] close(22) = -1 EBADF (Bad file descriptor) [pid 4083] close(23) = -1 EBADF (Bad file descriptor) [pid 4083] close(24) = -1 EBADF (Bad file descriptor) [pid 4083] close(25) = -1 EBADF (Bad file descriptor) [pid 4083] close(26) = -1 EBADF (Bad file descriptor) [pid 4083] close(27) = -1 EBADF (Bad file descriptor) [pid 4083] close(28) = -1 EBADF (Bad file descriptor) [pid 4083] close(29) = -1 EBADF (Bad file descriptor) [pid 4083] exit_group(0) = ? [pid 4083] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./477", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./477", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./477/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./477/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./477/binderfs") = 0 [pid 3605] umount2("./477/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./477/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./477/cgroup") = 0 [pid 3605] umount2("./477/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./477/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./477/cgroup.net") = 0 [pid 3605] umount2("./477/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./477/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./477/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./477") = 0 [pid 3605] mkdir("./478", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4084 attached [pid 4084] chdir("./478") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 480 [pid 4084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4084] setpgid(0, 0) = 0 [pid 4084] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4084] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4084] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4084] write(3, "1000", 4) = 4 [pid 4084] close(3) = 0 [pid 4084] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4084] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4084] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4084] openat(3, "freezer.state", O_RDWR) = 4 [pid 4084] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4084] close(3) = 0 [pid 4084] close(4) = 0 [pid 4084] close(5) = -1 EBADF (Bad file descriptor) [pid 4084] close(6) = -1 EBADF (Bad file descriptor) [pid 4084] close(7) = -1 EBADF (Bad file descriptor) [pid 4084] close(8) = -1 EBADF (Bad file descriptor) [pid 4084] close(9) = -1 EBADF (Bad file descriptor) [pid 4084] close(10) = -1 EBADF (Bad file descriptor) [pid 4084] close(11) = -1 EBADF (Bad file descriptor) [pid 4084] close(12) = -1 EBADF (Bad file descriptor) [pid 4084] close(13) = -1 EBADF (Bad file descriptor) [pid 4084] close(14) = -1 EBADF (Bad file descriptor) [pid 4084] close(15) = -1 EBADF (Bad file descriptor) [pid 4084] close(16) = -1 EBADF (Bad file descriptor) [pid 4084] close(17) = -1 EBADF (Bad file descriptor) [pid 4084] close(18) = -1 EBADF (Bad file descriptor) [pid 4084] close(19) = -1 EBADF (Bad file descriptor) [pid 4084] close(20) = -1 EBADF (Bad file descriptor) [pid 4084] close(21) = -1 EBADF (Bad file descriptor) [pid 4084] close(22) = -1 EBADF (Bad file descriptor) [pid 4084] close(23) = -1 EBADF (Bad file descriptor) [pid 4084] close(24) = -1 EBADF (Bad file descriptor) [pid 4084] close(25) = -1 EBADF (Bad file descriptor) [pid 4084] close(26) = -1 EBADF (Bad file descriptor) [pid 4084] close(27) = -1 EBADF (Bad file descriptor) [pid 4084] close(28) = -1 EBADF (Bad file descriptor) [pid 4084] close(29) = -1 EBADF (Bad file descriptor) [pid 4084] exit_group(0) = ? [pid 4084] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./478", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./478", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./478/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./478/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./478/binderfs") = 0 [pid 3605] umount2("./478/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./478/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./478/cgroup") = 0 [pid 3605] umount2("./478/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./478/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./478/cgroup.net") = 0 [pid 3605] umount2("./478/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./478/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./478/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./478") = 0 [pid 3605] mkdir("./479", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4085 attached [pid 4085] chdir("./479") = 0 [pid 4085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4085] setpgid(0, 0) = 0 [pid 4085] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 481 [pid 4085] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4085] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4085] write(3, "1000", 4) = 4 [pid 4085] close(3) = 0 [pid 4085] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4085] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4085] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4085] openat(3, "freezer.state", O_RDWR) = 4 [pid 4085] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4085] close(3) = 0 [pid 4085] close(4) = 0 [pid 4085] close(5) = -1 EBADF (Bad file descriptor) [pid 4085] close(6) = -1 EBADF (Bad file descriptor) [pid 4085] close(7) = -1 EBADF (Bad file descriptor) [pid 4085] close(8) = -1 EBADF (Bad file descriptor) [pid 4085] close(9) = -1 EBADF (Bad file descriptor) [pid 4085] close(10) = -1 EBADF (Bad file descriptor) [pid 4085] close(11) = -1 EBADF (Bad file descriptor) [pid 4085] close(12) = -1 EBADF (Bad file descriptor) [pid 4085] close(13) = -1 EBADF (Bad file descriptor) [pid 4085] close(14) = -1 EBADF (Bad file descriptor) [pid 4085] close(15) = -1 EBADF (Bad file descriptor) [pid 4085] close(16) = -1 EBADF (Bad file descriptor) [pid 4085] close(17) = -1 EBADF (Bad file descriptor) [pid 4085] close(18) = -1 EBADF (Bad file descriptor) [pid 4085] close(19) = -1 EBADF (Bad file descriptor) [pid 4085] close(20) = -1 EBADF (Bad file descriptor) [pid 4085] close(21) = -1 EBADF (Bad file descriptor) [pid 4085] close(22) = -1 EBADF (Bad file descriptor) [pid 4085] close(23) = -1 EBADF (Bad file descriptor) [pid 4085] close(24) = -1 EBADF (Bad file descriptor) [pid 4085] close(25) = -1 EBADF (Bad file descriptor) [pid 4085] close(26) = -1 EBADF (Bad file descriptor) [pid 4085] close(27) = -1 EBADF (Bad file descriptor) [pid 4085] close(28) = -1 EBADF (Bad file descriptor) [pid 4085] close(29) = -1 EBADF (Bad file descriptor) [pid 4085] exit_group(0) = ? [pid 4085] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./479", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./479", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./479/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./479/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./479/binderfs") = 0 [pid 3605] umount2("./479/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./479/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./479/cgroup") = 0 [pid 3605] umount2("./479/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./479/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./479/cgroup.net") = 0 [pid 3605] umount2("./479/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./479/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./479/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./479") = 0 [pid 3605] mkdir("./480", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4086 attached [pid 4086] chdir("./480") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 482 [pid 4086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4086] setpgid(0, 0) = 0 [pid 4086] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4086] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4086] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4086] write(3, "1000", 4) = 4 [pid 4086] close(3) = 0 [pid 4086] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4086] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4086] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4086] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4086] openat(3, "freezer.state", O_RDWR) = 4 [pid 4086] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4086] close(3) = 0 [pid 4086] close(4) = 0 [pid 4086] close(5) = -1 EBADF (Bad file descriptor) [pid 4086] close(6) = -1 EBADF (Bad file descriptor) [pid 4086] close(7) = -1 EBADF (Bad file descriptor) [pid 4086] close(8) = -1 EBADF (Bad file descriptor) [pid 4086] close(9) = -1 EBADF (Bad file descriptor) [pid 4086] close(10) = -1 EBADF (Bad file descriptor) [pid 4086] close(11) = -1 EBADF (Bad file descriptor) [pid 4086] close(12) = -1 EBADF (Bad file descriptor) [pid 4086] close(13) = -1 EBADF (Bad file descriptor) [pid 4086] close(14) = -1 EBADF (Bad file descriptor) [pid 4086] close(15) = -1 EBADF (Bad file descriptor) [pid 4086] close(16) = -1 EBADF (Bad file descriptor) [pid 4086] close(17) = -1 EBADF (Bad file descriptor) [pid 4086] close(18) = -1 EBADF (Bad file descriptor) [pid 4086] close(19) = -1 EBADF (Bad file descriptor) [pid 4086] close(20) = -1 EBADF (Bad file descriptor) [pid 4086] close(21) = -1 EBADF (Bad file descriptor) [pid 4086] close(22) = -1 EBADF (Bad file descriptor) [pid 4086] close(23) = -1 EBADF (Bad file descriptor) [pid 4086] close(24) = -1 EBADF (Bad file descriptor) [pid 4086] close(25) = -1 EBADF (Bad file descriptor) [pid 4086] close(26) = -1 EBADF (Bad file descriptor) [pid 4086] close(27) = -1 EBADF (Bad file descriptor) [pid 4086] close(28) = -1 EBADF (Bad file descriptor) [pid 4086] close(29) = -1 EBADF (Bad file descriptor) [pid 4086] exit_group(0) = ? [pid 4086] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./480", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./480", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./480/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./480/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./480/binderfs") = 0 [pid 3605] umount2("./480/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./480/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./480/cgroup") = 0 [pid 3605] umount2("./480/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./480/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./480/cgroup.net") = 0 [pid 3605] umount2("./480/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./480/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./480/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./480") = 0 [pid 3605] mkdir("./481", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 483 ./strace-static-x86_64: Process 4087 attached [pid 4087] chdir("./481") = 0 [pid 4087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4087] setpgid(0, 0) = 0 [pid 4087] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4087] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4087] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4087] write(3, "1000", 4) = 4 [pid 4087] close(3) = 0 [pid 4087] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4087] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4087] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4087] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4087] openat(3, "freezer.state", O_RDWR) = 4 [pid 4087] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4087] close(3) = 0 [pid 4087] close(4) = 0 [pid 4087] close(5) = -1 EBADF (Bad file descriptor) [pid 4087] close(6) = -1 EBADF (Bad file descriptor) [pid 4087] close(7) = -1 EBADF (Bad file descriptor) [pid 4087] close(8) = -1 EBADF (Bad file descriptor) [pid 4087] close(9) = -1 EBADF (Bad file descriptor) [pid 4087] close(10) = -1 EBADF (Bad file descriptor) [pid 4087] close(11) = -1 EBADF (Bad file descriptor) [pid 4087] close(12) = -1 EBADF (Bad file descriptor) [pid 4087] close(13) = -1 EBADF (Bad file descriptor) [pid 4087] close(14) = -1 EBADF (Bad file descriptor) [pid 4087] close(15) = -1 EBADF (Bad file descriptor) [pid 4087] close(16) = -1 EBADF (Bad file descriptor) [pid 4087] close(17) = -1 EBADF (Bad file descriptor) [pid 4087] close(18) = -1 EBADF (Bad file descriptor) [pid 4087] close(19) = -1 EBADF (Bad file descriptor) [pid 4087] close(20) = -1 EBADF (Bad file descriptor) [pid 4087] close(21) = -1 EBADF (Bad file descriptor) [pid 4087] close(22) = -1 EBADF (Bad file descriptor) [pid 4087] close(23) = -1 EBADF (Bad file descriptor) [pid 4087] close(24) = -1 EBADF (Bad file descriptor) [pid 4087] close(25) = -1 EBADF (Bad file descriptor) [pid 4087] close(26) = -1 EBADF (Bad file descriptor) [pid 4087] close(27) = -1 EBADF (Bad file descriptor) [pid 4087] close(28) = -1 EBADF (Bad file descriptor) [pid 4087] close(29) = -1 EBADF (Bad file descriptor) [pid 4087] exit_group(0) = ? [pid 4087] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./481", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./481", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./481/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./481/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./481/binderfs") = 0 [pid 3605] umount2("./481/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./481/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./481/cgroup") = 0 [pid 3605] umount2("./481/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./481/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./481/cgroup.net") = 0 [pid 3605] umount2("./481/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./481/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./481/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./481") = 0 [pid 3605] mkdir("./482", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 484 ./strace-static-x86_64: Process 4088 attached [pid 4088] chdir("./482") = 0 [pid 4088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4088] setpgid(0, 0) = 0 [pid 4088] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4088] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4088] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4088] write(3, "1000", 4) = 4 [pid 4088] close(3) = 0 [pid 4088] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4088] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4088] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4088] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4088] openat(3, "freezer.state", O_RDWR) = 4 [pid 4088] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4088] close(3) = 0 [pid 4088] close(4) = 0 [pid 4088] close(5) = -1 EBADF (Bad file descriptor) [pid 4088] close(6) = -1 EBADF (Bad file descriptor) [pid 4088] close(7) = -1 EBADF (Bad file descriptor) [pid 4088] close(8) = -1 EBADF (Bad file descriptor) [pid 4088] close(9) = -1 EBADF (Bad file descriptor) [pid 4088] close(10) = -1 EBADF (Bad file descriptor) [pid 4088] close(11) = -1 EBADF (Bad file descriptor) [pid 4088] close(12) = -1 EBADF (Bad file descriptor) [pid 4088] close(13) = -1 EBADF (Bad file descriptor) [pid 4088] close(14) = -1 EBADF (Bad file descriptor) [pid 4088] close(15) = -1 EBADF (Bad file descriptor) [pid 4088] close(16) = -1 EBADF (Bad file descriptor) [pid 4088] close(17) = -1 EBADF (Bad file descriptor) [pid 4088] close(18) = -1 EBADF (Bad file descriptor) [pid 4088] close(19) = -1 EBADF (Bad file descriptor) [pid 4088] close(20) = -1 EBADF (Bad file descriptor) [pid 4088] close(21) = -1 EBADF (Bad file descriptor) [pid 4088] close(22) = -1 EBADF (Bad file descriptor) [pid 4088] close(23) = -1 EBADF (Bad file descriptor) [pid 4088] close(24) = -1 EBADF (Bad file descriptor) [pid 4088] close(25) = -1 EBADF (Bad file descriptor) [pid 4088] close(26) = -1 EBADF (Bad file descriptor) [pid 4088] close(27) = -1 EBADF (Bad file descriptor) [pid 4088] close(28) = -1 EBADF (Bad file descriptor) [pid 4088] close(29) = -1 EBADF (Bad file descriptor) [pid 4088] exit_group(0) = ? [pid 4088] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./482", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./482", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./482/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./482/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./482/binderfs") = 0 [pid 3605] umount2("./482/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./482/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./482/cgroup") = 0 [pid 3605] umount2("./482/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./482/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./482/cgroup.net") = 0 [pid 3605] umount2("./482/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./482/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./482/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./482") = 0 [pid 3605] mkdir("./483", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0f5d0) = 485 ./strace-static-x86_64: Process 4089 attached [pid 4089] chdir("./483") = 0 [pid 4089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4089] setpgid(0, 0) = 0 [pid 4089] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4089] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4089] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4089] write(3, "1000", 4) = 4 [pid 4089] close(3) = 0 [pid 4089] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4089] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4089] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4089] openat(3, "freezer.state", O_RDWR) = 4 [pid 4089] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4089] close(3) = 0 [pid 4089] close(4) = 0 [pid 4089] close(5) = -1 EBADF (Bad file descriptor) [pid 4089] close(6) = -1 EBADF (Bad file descriptor) [pid 4089] close(7) = -1 EBADF (Bad file descriptor) [pid 4089] close(8) = -1 EBADF (Bad file descriptor) [pid 4089] close(9) = -1 EBADF (Bad file descriptor) [pid 4089] close(10) = -1 EBADF (Bad file descriptor) [pid 4089] close(11) = -1 EBADF (Bad file descriptor) [pid 4089] close(12) = -1 EBADF (Bad file descriptor) [pid 4089] close(13) = -1 EBADF (Bad file descriptor) [pid 4089] close(14) = -1 EBADF (Bad file descriptor) [pid 4089] close(15) = -1 EBADF (Bad file descriptor) [pid 4089] close(16) = -1 EBADF (Bad file descriptor) [pid 4089] close(17) = -1 EBADF (Bad file descriptor) [pid 4089] close(18) = -1 EBADF (Bad file descriptor) [pid 4089] close(19) = -1 EBADF (Bad file descriptor) [pid 4089] close(20) = -1 EBADF (Bad file descriptor) [pid 4089] close(21) = -1 EBADF (Bad file descriptor) [pid 4089] close(22) = -1 EBADF (Bad file descriptor) [pid 4089] close(23) = -1 EBADF (Bad file descriptor) [pid 4089] close(24) = -1 EBADF (Bad file descriptor) [pid 4089] close(25) = -1 EBADF (Bad file descriptor) [pid 4089] close(26) = -1 EBADF (Bad file descriptor) [pid 4089] close(27) = -1 EBADF (Bad file descriptor) [pid 4089] close(28) = -1 EBADF (Bad file descriptor) [pid 4089] close(29) = -1 EBADF (Bad file descriptor) [pid 4089] exit_group(0) = ? [pid 4089] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./483", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./483", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./483/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./483/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./483/binderfs") = 0 [pid 3605] umount2("./483/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./483/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./483/cgroup") = 0 [pid 3605] umount2("./483/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./483/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./483/cgroup.net") = 0 [pid 3605] umount2("./483/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./483/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./483/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./483") = 0 [pid 3605] mkdir("./484", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4090 attached [pid 4090] chdir("./484" [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 486 [pid 4090] <... chdir resumed>) = 0 [pid 4090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4090] setpgid(0, 0) = 0 [pid 4090] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4090] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4090] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4090] write(3, "1000", 4) = 4 [pid 4090] close(3) = 0 [pid 4090] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4090] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4090] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4090] openat(3, "freezer.state", O_RDWR) = 4 [pid 4090] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4090] close(3) = 0 [pid 4090] close(4) = 0 [pid 4090] close(5) = -1 EBADF (Bad file descriptor) [pid 4090] close(6) = -1 EBADF (Bad file descriptor) [pid 4090] close(7) = -1 EBADF (Bad file descriptor) [pid 4090] close(8) = -1 EBADF (Bad file descriptor) [pid 4090] close(9) = -1 EBADF (Bad file descriptor) [pid 4090] close(10) = -1 EBADF (Bad file descriptor) [pid 4090] close(11) = -1 EBADF (Bad file descriptor) [pid 4090] close(12) = -1 EBADF (Bad file descriptor) [pid 4090] close(13) = -1 EBADF (Bad file descriptor) [pid 4090] close(14) = -1 EBADF (Bad file descriptor) [pid 4090] close(15) = -1 EBADF (Bad file descriptor) [pid 4090] close(16) = -1 EBADF (Bad file descriptor) [pid 4090] close(17) = -1 EBADF (Bad file descriptor) [pid 4090] close(18) = -1 EBADF (Bad file descriptor) [pid 4090] close(19) = -1 EBADF (Bad file descriptor) [pid 4090] close(20) = -1 EBADF (Bad file descriptor) [pid 4090] close(21) = -1 EBADF (Bad file descriptor) [pid 4090] close(22) = -1 EBADF (Bad file descriptor) [pid 4090] close(23) = -1 EBADF (Bad file descriptor) [pid 4090] close(24) = -1 EBADF (Bad file descriptor) [pid 4090] close(25) = -1 EBADF (Bad file descriptor) [pid 4090] close(26) = -1 EBADF (Bad file descriptor) [pid 4090] close(27) = -1 EBADF (Bad file descriptor) [pid 4090] close(28) = -1 EBADF (Bad file descriptor) [pid 4090] close(29) = -1 EBADF (Bad file descriptor) [pid 4090] exit_group(0) = ? [pid 4090] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./484", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./484", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./484/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./484/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./484/binderfs") = 0 [pid 3605] umount2("./484/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./484/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./484/cgroup") = 0 [pid 3605] umount2("./484/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./484/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./484/cgroup.net") = 0 [pid 3605] umount2("./484/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./484/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./484/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./484") = 0 [pid 3605] mkdir("./485", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4091 attached [pid 4091] chdir("./485") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 487 [pid 4091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4091] setpgid(0, 0) = 0 [pid 4091] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4091] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4091] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4091] write(3, "1000", 4) = 4 [pid 4091] close(3) = 0 [pid 4091] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4091] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4091] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4091] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4091] openat(3, "freezer.state", O_RDWR) = 4 [pid 4091] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4091] close(3) = 0 [pid 4091] close(4) = 0 [pid 4091] close(5) = -1 EBADF (Bad file descriptor) [pid 4091] close(6) = -1 EBADF (Bad file descriptor) [pid 4091] close(7) = -1 EBADF (Bad file descriptor) [pid 4091] close(8) = -1 EBADF (Bad file descriptor) [pid 4091] close(9) = -1 EBADF (Bad file descriptor) [pid 4091] close(10) = -1 EBADF (Bad file descriptor) [pid 4091] close(11) = -1 EBADF (Bad file descriptor) [pid 4091] close(12) = -1 EBADF (Bad file descriptor) [pid 4091] close(13) = -1 EBADF (Bad file descriptor) [pid 4091] close(14) = -1 EBADF (Bad file descriptor) [pid 4091] close(15) = -1 EBADF (Bad file descriptor) [pid 4091] close(16) = -1 EBADF (Bad file descriptor) [pid 4091] close(17) = -1 EBADF (Bad file descriptor) [pid 4091] close(18) = -1 EBADF (Bad file descriptor) [pid 4091] close(19) = -1 EBADF (Bad file descriptor) [pid 4091] close(20) = -1 EBADF (Bad file descriptor) [pid 4091] close(21) = -1 EBADF (Bad file descriptor) [pid 4091] close(22) = -1 EBADF (Bad file descriptor) [pid 4091] close(23) = -1 EBADF (Bad file descriptor) [pid 4091] close(24) = -1 EBADF (Bad file descriptor) [pid 4091] close(25) = -1 EBADF (Bad file descriptor) [pid 4091] close(26) = -1 EBADF (Bad file descriptor) [pid 4091] close(27) = -1 EBADF (Bad file descriptor) [pid 4091] close(28) = -1 EBADF (Bad file descriptor) [pid 4091] close(29) = -1 EBADF (Bad file descriptor) [pid 4091] exit_group(0) = ? [pid 4091] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=487, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] umount2("./485", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./485", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./485/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./485/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./485/binderfs") = 0 [pid 3605] umount2("./485/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./485/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./485/cgroup") = 0 [pid 3605] umount2("./485/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./485/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./485/cgroup.net") = 0 [pid 3605] umount2("./485/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./485/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./485/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./485") = 0 [pid 3605] mkdir("./486", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4092 attached [pid 4092] chdir("./486") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 488 [pid 4092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4092] setpgid(0, 0) = 0 [pid 4092] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4092] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4092] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4092] write(3, "1000", 4) = 4 [pid 4092] close(3) = 0 [pid 4092] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4092] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4092] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4092] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4092] openat(3, "freezer.state", O_RDWR) = 4 [pid 4092] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4092] close(3) = 0 [pid 4092] close(4) = 0 [pid 4092] close(5) = -1 EBADF (Bad file descriptor) [pid 4092] close(6) = -1 EBADF (Bad file descriptor) [pid 4092] close(7) = -1 EBADF (Bad file descriptor) [pid 4092] close(8) = -1 EBADF (Bad file descriptor) [pid 4092] close(9) = -1 EBADF (Bad file descriptor) [pid 4092] close(10) = -1 EBADF (Bad file descriptor) [pid 4092] close(11) = -1 EBADF (Bad file descriptor) [pid 4092] close(12) = -1 EBADF (Bad file descriptor) [pid 4092] close(13) = -1 EBADF (Bad file descriptor) [pid 4092] close(14) = -1 EBADF (Bad file descriptor) [pid 4092] close(15) = -1 EBADF (Bad file descriptor) [pid 4092] close(16) = -1 EBADF (Bad file descriptor) [pid 4092] close(17) = -1 EBADF (Bad file descriptor) [pid 4092] close(18) = -1 EBADF (Bad file descriptor) [pid 4092] close(19) = -1 EBADF (Bad file descriptor) [pid 4092] close(20) = -1 EBADF (Bad file descriptor) [pid 4092] close(21) = -1 EBADF (Bad file descriptor) [pid 4092] close(22) = -1 EBADF (Bad file descriptor) [pid 4092] close(23) = -1 EBADF (Bad file descriptor) [pid 4092] close(24) = -1 EBADF (Bad file descriptor) [pid 4092] close(25) = -1 EBADF (Bad file descriptor) [pid 4092] close(26) = -1 EBADF (Bad file descriptor) [pid 4092] close(27) = -1 EBADF (Bad file descriptor) [pid 4092] close(28) = -1 EBADF (Bad file descriptor) [pid 4092] close(29) = -1 EBADF (Bad file descriptor) [pid 4092] exit_group(0) = ? [pid 4092] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] umount2("./486", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./486", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./486/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./486/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./486/binderfs") = 0 [pid 3605] umount2("./486/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./486/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./486/cgroup") = 0 [pid 3605] umount2("./486/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./486/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./486/cgroup.net") = 0 [pid 3605] umount2("./486/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./486/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./486/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./486") = 0 [pid 3605] mkdir("./487", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4093 attached [pid 4093] chdir("./487") = 0 [pid 4093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4093] setpgid(0, 0) = 0 [pid 4093] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 489 [pid 4093] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4093] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4093] write(3, "1000", 4) = 4 [pid 4093] close(3) = 0 [pid 4093] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4093] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4093] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4093] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4093] openat(3, "freezer.state", O_RDWR) = 4 [pid 4093] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4093] close(3) = 0 [pid 4093] close(4) = 0 [pid 4093] close(5) = -1 EBADF (Bad file descriptor) [pid 4093] close(6) = -1 EBADF (Bad file descriptor) [pid 4093] close(7) = -1 EBADF (Bad file descriptor) [pid 4093] close(8) = -1 EBADF (Bad file descriptor) [pid 4093] close(9) = -1 EBADF (Bad file descriptor) [pid 4093] close(10) = -1 EBADF (Bad file descriptor) [pid 4093] close(11) = -1 EBADF (Bad file descriptor) [pid 4093] close(12) = -1 EBADF (Bad file descriptor) [pid 4093] close(13) = -1 EBADF (Bad file descriptor) [pid 4093] close(14) = -1 EBADF (Bad file descriptor) [pid 4093] close(15) = -1 EBADF (Bad file descriptor) [pid 4093] close(16) = -1 EBADF (Bad file descriptor) [pid 4093] close(17) = -1 EBADF (Bad file descriptor) [pid 4093] close(18) = -1 EBADF (Bad file descriptor) [pid 4093] close(19) = -1 EBADF (Bad file descriptor) [pid 4093] close(20) = -1 EBADF (Bad file descriptor) [pid 4093] close(21) = -1 EBADF (Bad file descriptor) [pid 4093] close(22) = -1 EBADF (Bad file descriptor) [pid 4093] close(23) = -1 EBADF (Bad file descriptor) [pid 4093] close(24) = -1 EBADF (Bad file descriptor) [pid 4093] close(25) = -1 EBADF (Bad file descriptor) [pid 4093] close(26) = -1 EBADF (Bad file descriptor) [pid 4093] close(27) = -1 EBADF (Bad file descriptor) [pid 4093] close(28) = -1 EBADF (Bad file descriptor) [pid 4093] close(29) = -1 EBADF (Bad file descriptor) [pid 4093] exit_group(0) = ? [pid 4093] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./487", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./487", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./487/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./487/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./487/binderfs") = 0 [pid 3605] umount2("./487/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./487/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./487/cgroup") = 0 [pid 3605] umount2("./487/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./487/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./487/cgroup.net") = 0 [pid 3605] umount2("./487/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./487/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./487/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./487") = 0 [pid 3605] mkdir("./488", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4094 attached [pid 4094] chdir("./488") = 0 [pid 4094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4094] setpgid(0, 0) = 0 [pid 4094] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 490 [pid 4094] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4094] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4094] write(3, "1000", 4) = 4 [pid 4094] close(3) = 0 [pid 4094] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4094] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4094] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4094] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4094] openat(3, "freezer.state", O_RDWR) = 4 [pid 4094] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4094] close(3) = 0 [pid 4094] close(4) = 0 [pid 4094] close(5) = -1 EBADF (Bad file descriptor) [pid 4094] close(6) = -1 EBADF (Bad file descriptor) [pid 4094] close(7) = -1 EBADF (Bad file descriptor) [pid 4094] close(8) = -1 EBADF (Bad file descriptor) [pid 4094] close(9) = -1 EBADF (Bad file descriptor) [pid 4094] close(10) = -1 EBADF (Bad file descriptor) [pid 4094] close(11) = -1 EBADF (Bad file descriptor) [pid 4094] close(12) = -1 EBADF (Bad file descriptor) [pid 4094] close(13) = -1 EBADF (Bad file descriptor) [pid 4094] close(14) = -1 EBADF (Bad file descriptor) [pid 4094] close(15) = -1 EBADF (Bad file descriptor) [pid 4094] close(16) = -1 EBADF (Bad file descriptor) [pid 4094] close(17) = -1 EBADF (Bad file descriptor) [pid 4094] close(18) = -1 EBADF (Bad file descriptor) [pid 4094] close(19) = -1 EBADF (Bad file descriptor) [pid 4094] close(20) = -1 EBADF (Bad file descriptor) [pid 4094] close(21) = -1 EBADF (Bad file descriptor) [pid 4094] close(22) = -1 EBADF (Bad file descriptor) [pid 4094] close(23) = -1 EBADF (Bad file descriptor) [pid 4094] close(24) = -1 EBADF (Bad file descriptor) [pid 4094] close(25) = -1 EBADF (Bad file descriptor) [pid 4094] close(26) = -1 EBADF (Bad file descriptor) [pid 4094] close(27) = -1 EBADF (Bad file descriptor) [pid 4094] close(28) = -1 EBADF (Bad file descriptor) [pid 4094] close(29) = -1 EBADF (Bad file descriptor) [pid 4094] exit_group(0) = ? [pid 4094] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./488", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./488", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./488/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./488/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./488/binderfs") = 0 [pid 3605] umount2("./488/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./488/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./488/cgroup") = 0 [pid 3605] umount2("./488/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./488/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./488/cgroup.net") = 0 [pid 3605] umount2("./488/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./488/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./488/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./488") = 0 [pid 3605] mkdir("./489", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4095 attached [pid 4095] chdir("./489") = 0 [pid 3605] <... clone resumed>, child_tidptr=0x555556c0f5d0) = 491 [pid 4095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4095] setpgid(0, 0) = 0 [pid 4095] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4095] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4095] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4095] write(3, "1000", 4) = 4 [pid 4095] close(3) = 0 [pid 4095] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4095] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4095] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4095] openat(3, "freezer.state", O_RDWR) = 4 [pid 4095] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4095] close(3) = 0 [pid 4095] close(4) = 0 [pid 4095] close(5) = -1 EBADF (Bad file descriptor) [pid 4095] close(6) = -1 EBADF (Bad file descriptor) [pid 4095] close(7) = -1 EBADF (Bad file descriptor) [pid 4095] close(8) = -1 EBADF (Bad file descriptor) [pid 4095] close(9) = -1 EBADF (Bad file descriptor) [pid 4095] close(10) = -1 EBADF (Bad file descriptor) [pid 4095] close(11) = -1 EBADF (Bad file descriptor) [pid 4095] close(12) = -1 EBADF (Bad file descriptor) [pid 4095] close(13) = -1 EBADF (Bad file descriptor) [pid 4095] close(14) = -1 EBADF (Bad file descriptor) [pid 4095] close(15) = -1 EBADF (Bad file descriptor) [pid 4095] close(16) = -1 EBADF (Bad file descriptor) [pid 4095] close(17) = -1 EBADF (Bad file descriptor) [pid 4095] close(18) = -1 EBADF (Bad file descriptor) [pid 4095] close(19) = -1 EBADF (Bad file descriptor) [pid 4095] close(20) = -1 EBADF (Bad file descriptor) [pid 4095] close(21) = -1 EBADF (Bad file descriptor) [pid 4095] close(22) = -1 EBADF (Bad file descriptor) [pid 4095] close(23) = -1 EBADF (Bad file descriptor) [pid 4095] close(24) = -1 EBADF (Bad file descriptor) [pid 4095] close(25) = -1 EBADF (Bad file descriptor) [pid 4095] close(26) = -1 EBADF (Bad file descriptor) [pid 4095] close(27) = -1 EBADF (Bad file descriptor) [pid 4095] close(28) = -1 EBADF (Bad file descriptor) [pid 4095] close(29) = -1 EBADF (Bad file descriptor) [pid 4095] exit_group(0) = ? [pid 4095] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./489", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./489", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3605] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 6 entries */, 32768) = 176 [pid 3605] umount2("./489/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./489/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3605] unlink("./489/binderfs") = 0 [pid 3605] umount2("./489/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./489/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3605] unlink("./489/cgroup") = 0 [pid 3605] umount2("./489/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./489/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./489/cgroup.net") = 0 [pid 3605] umount2("./489/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] lstat("./489/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3605] unlink("./489/cgroup.cpu") = 0 [pid 3605] getdents64(3, 0x555556c10620 /* 0 entries */, 32768) = 0 [pid 3605] close(3) = 0 [pid 3605] rmdir("./489") = 0 [pid 3605] mkdir("./490", 0777) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4096 attached , child_tidptr=0x555556c0f5d0) = 492 [pid 4096] chdir("./490") = 0 [pid 4096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4096] setpgid(0, 0) = 0 [pid 4096] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4096] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4096] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4096] write(3, "1000", 4) = 4 [pid 4096] close(3) = 0 [pid 4096] read(200, 0x7fff9816db20, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 4096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4096] mkdirat(AT_FDCWD, "./cgroup.net/syz1", 0777) = -1 EEXIST (File exists) [pid 4096] openat(AT_FDCWD, "./cgroup.net/syz1", O_RDWR|O_PATH) = 3 [pid 4096] openat(3, "freezer.state", O_RDWR) = 4 [pid 4096] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7) = 7 [pid 4096] close(3) = 0 [pid 4096] close(4) = 0 [pid 4096] close(5) = -1 EBADF (Bad file descriptor) [pid 4096] close(6) = -1 EBADF (Bad file descriptor) [pid 4096] close(7) = -1 EBADF (Bad file descriptor) [pid 4096] close(8) = -1 EBADF (Bad file descriptor) [pid 4096] close(9) = -1 EBADF (Bad file descriptor) [pid 4096] close(10) = -1 EBADF (Bad file descriptor) [pid 4096] close(11) = -1 EBADF (Bad file descriptor) [pid 4096] close(12) = -1 EBADF (Bad file descriptor) [pid 4096] close(13) = -1 EBADF (Bad file descriptor) [pid 4096] close(14) = -1 EBADF (Bad file descriptor) [pid 4096] close(15) = -1 EBADF (Bad file descriptor) [pid 4096] close(16) = -1 EBADF (Bad file descriptor) [pid 4096] close(17) = -1 EBADF (Bad file descriptor) [pid 4096] close(18) = -1 EBADF (Bad file descriptor) [pid 4096] close(19) = -1 EBADF (Bad file descriptor) [pid 4096] close(20) = -1 EBADF (Bad file descriptor) [pid 4096] close(21) = -1 EBADF (Bad file descriptor) [pid 4096] close(22) = -1 EBADF (Bad file descriptor) [pid 4096] close(23) = -1 EBADF (Bad file descriptor) [pid 4096] close(24) = -1 EBADF (Bad file descriptor) [pid 4096] close(25) = -1 EBADF (Bad file descriptor) [pid 4096] close(26) = -1 EBADF (Bad file descriptor) [pid 4096] close(27) = -1 EBADF (Bad file descriptor) [pid 4096] close(28) = -1 EBADF (Bad file descriptor) [pid 4096] close(29) = -1 EBADF (Bad file descriptor) [pid 4096] exit_group(0) = ? [pid 4096] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] umount2("./490", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3605] openat(AT_FDCWD, "./490", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3