./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