./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3201753888 <...> Warning: Permanently added '10.128.1.178' (ED25519) to the list of known hosts. execve("./syz-executor3201753888", ["./syz-executor3201753888"], 0x7fff4c12c810 /* 10 vars */) = 0 brk(NULL) = 0x55555564b000 brk(0x55555564bd40) = 0x55555564bd40 arch_prctl(ARCH_SET_FS, 0x55555564b3c0) = 0 set_tid_address(0x55555564b690) = 363 set_robust_list(0x55555564b6a0, 24) = 0 rseq(0x55555564bce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3201753888", 4096) = 28 getrandom("\x03\x4a\x33\xa6\x36\x35\xd9\x5e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555564bd40 brk(0x55555566cd40) = 0x55555566cd40 brk(0x55555566d000) = 0x55555566d000 mprotect(0x7fcba60a2000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 [ 34.591795][ T23] audit: type=1400 audit(1708123287.980:66): avc: denied { execmem } for pid=363 comm="syz-executor320" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 34.616989][ T23] audit: type=1400 audit(1708123288.000:67): avc: denied { mounton } for pid=363 comm="syz-executor320" path="/syzcgroup/unified" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 [ 34.634842][ T363] cgroup1: Unknown subsys name 'net' [ 34.641179][ T23] audit: type=1400 audit(1708123288.000:68): avc: denied { mount } for pid=363 comm="syz-executor320" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 34.645611][ T363] cgroup1: Unknown subsys name 'net_prio' [ 34.673451][ T363] cgroup1: Unknown subsys name 'devices' umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio,freezer") = ? ERESTARTNOINTR (To be restarted) [ 34.681650][ T23] audit: type=1400 audit(1708123288.070:69): avc: denied { unmount } for pid=363 comm="syz-executor320" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "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") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) [ 34.801521][ T363] cgroup1: Unknown subsys name 'hugetlb' [ 34.807733][ T363] cgroup1: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 mkdir("./syzkaller.bZzT1V", 0700) = 0 chmod("./syzkaller.bZzT1V", 0777) = 0 chdir("./syzkaller.bZzT1V") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555564b690) = 364 ./strace-static-x86_64: Process 364 attached [pid 364] set_robust_list(0x55555564b6a0, 24) = 0 [pid 364] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 364] setsid() = 1 [pid 364] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 364] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 364] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 364] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 364] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 364] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 364] unshare(CLONE_NEWNS) = 0 [pid 364] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 364] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 364] unshare(CLONE_NEWCGROUP) = 0 [pid 364] unshare(CLONE_NEWUTS) = 0 [pid 364] unshare(CLONE_SYSVSEM) = 0 [pid 364] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 364] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 364] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 364] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 364] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 364] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 364] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 364] getpid() = 1 [pid 364] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< {parent_tid=[3]}, 88) = 3 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 367 attached [pid 367] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] getpid() = 2 [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 367] <... futex resumed>) = 1 [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 367] perf_event_open( [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 2, 0, -1, 0) = 3 [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 367] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 367] <... futex resumed>) = 0 [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... openat resumed>) = -1 EFAULT (Bad address) [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] openat(-1, NULL, O_RDWR|O_PATH [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... openat resumed>) = -1 EFAULT (Bad address) [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 367] bpf(BPF_OBJ_GET, NULL, 0 [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 367] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 367] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... futex resumed>) = 0 [pid 366] <... futex resumed>) = 1 [pid 367] close(-1 [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 367] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 366] <... futex resumed>) = 0 [pid 367] bpf(BPF_MAP_CREATE, NULL, 0 [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 367] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 366] <... futex resumed>) = 0 [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 0 [pid 366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 367] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 366] <... futex resumed>) = 0 [pid 367] bpf(BPF_MAP_CREATE, NULL, 0 [pid 366] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 366] <... futex resumed>) = 0 [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 367] <... futex resumed>) = 0 [pid 366] <... mmap resumed>) = 0x7fcba5f9c000 [pid 367] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 368 attached [pid 368] set_robust_list(0x7fcba5fbc9a0, 24 [pid 366] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 368] <... set_robust_list resumed>) = 0 [pid 366] rt_sigprocmask(SIG_SETMASK, [], [pid 368] rt_sigprocmask(SIG_SETMASK, [], [pid 366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 366] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 368] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... futex resumed>) = 0 [pid 366] <... futex resumed>) = 1 [pid 367] close(3 [ 34.997286][ T23] audit: type=1400 audit(1708123288.380:73): avc: denied { mounton } for pid=364 comm="syz-executor320" path="/dev/binderfs" dev="devtmpfs" ino=10580 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 35.020766][ T23] audit: type=1400 audit(1708123288.380:74): avc: denied { mount } for pid=364 comm="syz-executor320" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 35.049645][ T23] audit: type=1400 audit(1708123288.430:75): avc: denied { open } for pid=366 comm="syz-executor320" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=perf_event permissive=1 [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 369 attached [pid 367] <... close resumed>) = 0 [pid 368] <... clone resumed>) = 5 [pid 368] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 368] <... futex resumed>) = 0 [pid 366] <... futex resumed>) = 0 [pid 368] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 367] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 366] <... futex resumed>) = 0 [pid 367] gettid( [pid 366] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... gettid resumed>) = 3 [pid 367] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 367] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] close(3) = -1 EBADF (Bad file descriptor) [pid 366] close(4) = -1 EBADF (Bad file descriptor) [pid 366] close(5) = -1 EBADF (Bad file descriptor) [pid 366] close(6) = -1 EBADF (Bad file descriptor) [pid 366] close(7) = -1 EBADF (Bad file descriptor) [pid 366] close(8) = -1 EBADF (Bad file descriptor) [pid 366] close(9) = -1 EBADF (Bad file descriptor) [pid 366] close(10) = -1 EBADF (Bad file descriptor) [pid 366] close(11) = -1 EBADF (Bad file descriptor) [pid 366] close(12) = -1 EBADF (Bad file descriptor) [pid 366] close(13) = -1 EBADF (Bad file descriptor) [pid 366] close(14) = -1 EBADF (Bad file descriptor) [pid 366] close(15) = -1 EBADF (Bad file descriptor) [pid 366] close(16) = -1 EBADF (Bad file descriptor) [pid 366] close(17) = -1 EBADF (Bad file descriptor) [pid 366] close(18) = -1 EBADF (Bad file descriptor) [pid 366] close(19) = -1 EBADF (Bad file descriptor) [pid 366] close(20) = -1 EBADF (Bad file descriptor) [pid 366] close(21) = -1 EBADF (Bad file descriptor) [pid 366] close(22) = -1 EBADF (Bad file descriptor) [pid 366] close(23) = -1 EBADF (Bad file descriptor) [pid 366] close(24) = -1 EBADF (Bad file descriptor) [pid 366] close(25) = -1 EBADF (Bad file descriptor) [pid 366] close(26) = -1 EBADF (Bad file descriptor) [pid 366] close(27) = -1 EBADF (Bad file descriptor) [pid 366] close(28) = -1 EBADF (Bad file descriptor) [pid 366] close(29) = -1 EBADF (Bad file descriptor) [pid 366] exit_group(0 [pid 367] <... futex resumed>) = ? [pid 366] <... exit_group resumed>) = ? [pid 368] <... futex resumed>) = 231 [pid 367] +++ exited with 0 +++ [pid 368] +++ exited with 0 +++ [pid 366] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 364] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 364] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./0/cgroup.cpu") = 0 [pid 364] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./0/binderfs") = 0 [pid 364] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./0/cgroup") = 0 [pid 364] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./0/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./0") = 0 [pid 364] mkdir("./1", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 371 attached , child_tidptr=0x55555564b690) = 6 [pid 371] set_robust_list(0x55555564b6a0, 24) = 0 [pid 371] chdir("./1") = 0 [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 371] setpgid(0, 0) = 0 [pid 371] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 371] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 371] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 371] write(3, "1000", 4) = 4 [pid 371] close(3) = 0 [pid 371] symlink("/dev/binderfs", "./binderfs") = 0 [pid 371] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 371] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 372 attached [pid 372] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 372] rt_sigprocmask(SIG_SETMASK, [], [pid 371] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 372] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 371] <... futex resumed>) = 1 [pid 372] getpid() = 6 [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 371] <... futex resumed>) = 1 [pid 372] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 6, 0, -1, 0) = 3 [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 371] <... futex resumed>) = 0 [pid 372] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 371] <... futex resumed>) = 0 [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 372] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 371] <... futex resumed>) = 0 [pid 372] <... openat resumed>) = -1 EFAULT (Bad address) [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 372] <... futex resumed>) = 0 [pid 372] openat(-1, NULL, O_RDWR|O_PATH [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... openat resumed>) = -1 EFAULT (Bad address) [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 372] <... futex resumed>) = 0 [pid 372] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 371] <... futex resumed>) = 1 [pid 372] bpf(BPF_OBJ_GET, NULL, 0) = -1 EFAULT (Bad address) [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 372] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] close(-1) = -1 EBADF (Bad file descriptor) [pid 371] <... futex resumed>) = 0 [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 0 [pid 371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 372] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] <... futex resumed>) = 0 [pid 372] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument) [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 372] <... futex resumed>) = 0 [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 371] <... futex resumed>) = 0 [pid 372] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 0 [pid 372] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 371] <... futex resumed>) = 1 [pid 372] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument) [pid 371] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] <... futex resumed>) = 0 [pid 372] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 [pid 371] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 371] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 371] rt_sigprocmask(SIG_SETMASK, [], [pid 373] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 371] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 371] <... futex resumed>) = 1 [pid 373] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 371] <... futex resumed>) = 1 [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 374 attached [pid 372] close(3 [pid 373] <... clone resumed>) = 9 [pid 373] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... close resumed>) = 0 [pid 373] <... futex resumed>) = 0 [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 372] <... futex resumed>) = 1 [pid 371] <... futex resumed>) = 0 [pid 372] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 371] <... futex resumed>) = 1 [pid 372] gettid( [pid 371] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... gettid resumed>) = 7 [pid 372] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 372] <... futex resumed>) = 0 [pid 372] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] close(3) = -1 EBADF (Bad file descriptor) [pid 371] close(4) = -1 EBADF (Bad file descriptor) [pid 371] close(5) = -1 EBADF (Bad file descriptor) [pid 371] close(6) = -1 EBADF (Bad file descriptor) [pid 371] close(7) = -1 EBADF (Bad file descriptor) [pid 371] close(8) = -1 EBADF (Bad file descriptor) [pid 371] close(9) = -1 EBADF (Bad file descriptor) [pid 371] close(10) = -1 EBADF (Bad file descriptor) [pid 371] close(11) = -1 EBADF (Bad file descriptor) [pid 371] close(12) = -1 EBADF (Bad file descriptor) [pid 371] close(13) = -1 EBADF (Bad file descriptor) [pid 371] close(14) = -1 EBADF (Bad file descriptor) [pid 371] close(15) = -1 EBADF (Bad file descriptor) [pid 371] close(16) = -1 EBADF (Bad file descriptor) [pid 371] close(17) = -1 EBADF (Bad file descriptor) [pid 371] close(18) = -1 EBADF (Bad file descriptor) [pid 371] close(19) = -1 EBADF (Bad file descriptor) [pid 371] close(20) = -1 EBADF (Bad file descriptor) [pid 371] close(21) = -1 EBADF (Bad file descriptor) [pid 371] close(22) = -1 EBADF (Bad file descriptor) [pid 371] close(23) = -1 EBADF (Bad file descriptor) [pid 371] close(24) = -1 EBADF (Bad file descriptor) [pid 371] close(25) = -1 EBADF (Bad file descriptor) [pid 371] close(26) = -1 EBADF (Bad file descriptor) [pid 371] close(27) = -1 EBADF (Bad file descriptor) [pid 371] close(28) = -1 EBADF (Bad file descriptor) [pid 371] close(29) = -1 EBADF (Bad file descriptor) [pid 371] exit_group(0 [pid 372] <... futex resumed>) = ? [pid 373] <... futex resumed>) = ? [pid 371] <... exit_group resumed>) = ? [pid 373] +++ exited with 0 +++ [pid 372] +++ exited with 0 +++ [pid 371] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./1/cgroup.cpu") = 0 [pid 364] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./1/binderfs") = 0 [pid 364] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./1/cgroup") = 0 [pid 364] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./1/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./1") = 0 [pid 364] mkdir("./2", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 375 attached [pid 375] set_robust_list(0x55555564b6a0, 24) = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 10 [pid 375] chdir("./2") = 0 [pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 375] setpgid(0, 0) = 0 [pid 375] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 375] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 375] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 375] write(3, "1000", 4) = 4 [pid 375] close(3) = 0 [pid 375] symlink("/dev/binderfs", "./binderfs") = 0 [pid 375] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 375] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 376 attached => {parent_tid=[11]}, 88) = 11 [pid 376] set_robust_list(0x7fcba5fdd9a0, 24 [pid 375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] <... set_robust_list resumed>) = 0 [pid 376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 376] getpid() = 10 [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 10, 0, -1, 0) = 3 [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 376] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 376] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 376] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 375] <... futex resumed>) = 0 [pid 376] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] <... openat resumed>) = -1 EFAULT (Bad address) [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 376] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 375] <... futex resumed>) = 0 [pid 376] openat(-1, NULL, O_RDWR|O_PATH [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] <... openat resumed>) = -1 EFAULT (Bad address) [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] bpf(BPF_OBJ_GET, NULL, 0 [pid 375] <... futex resumed>) = 0 [pid 376] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 376] <... futex resumed>) = 0 [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] close(-1 [pid 375] <... futex resumed>) = 0 [pid 376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 376] <... futex resumed>) = 0 [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] bpf(BPF_MAP_CREATE, NULL, 0 [pid 375] <... futex resumed>) = 0 [pid 376] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 376] <... futex resumed>) = 0 [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 376] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 375] <... futex resumed>) = 0 [pid 376] bpf(BPF_MAP_CREATE, NULL, 0 [pid 375] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 375] <... futex resumed>) = 0 [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 376] <... futex resumed>) = 0 [pid 375] <... mmap resumed>) = 0x7fcba5f9c000 [pid 376] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 377 attached [pid 377] set_robust_list(0x7fcba5fbc9a0, 24 [pid 375] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 377] <... set_robust_list resumed>) = 0 [pid 375] rt_sigprocmask(SIG_SETMASK, [], [pid 377] rt_sigprocmask(SIG_SETMASK, [], [pid 375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 375] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 375] <... futex resumed>) = 0 [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... futex resumed>) = 0 [pid 375] <... futex resumed>) = 1 [pid 376] close(3 [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 378 attached [pid 376] <... close resumed>) = 0 [pid 377] <... clone resumed>) = 13 [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 377] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 376] gettid( [pid 375] <... futex resumed>) = 0 [pid 377] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 376] <... gettid resumed>) = 11 [pid 375] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 376] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] close(3) = -1 EBADF (Bad file descriptor) [pid 375] close(4) = -1 EBADF (Bad file descriptor) [pid 375] close(5) = -1 EBADF (Bad file descriptor) [pid 375] close(6) = -1 EBADF (Bad file descriptor) [pid 375] close(7) = -1 EBADF (Bad file descriptor) [pid 375] close(8) = -1 EBADF (Bad file descriptor) [pid 375] close(9) = -1 EBADF (Bad file descriptor) [pid 375] close(10) = -1 EBADF (Bad file descriptor) [pid 375] close(11) = -1 EBADF (Bad file descriptor) [pid 375] close(12) = -1 EBADF (Bad file descriptor) [pid 375] close(13) = -1 EBADF (Bad file descriptor) [pid 375] close(14) = -1 EBADF (Bad file descriptor) [pid 375] close(15) = -1 EBADF (Bad file descriptor) [pid 375] close(16) = -1 EBADF (Bad file descriptor) [pid 375] close(17) = -1 EBADF (Bad file descriptor) [pid 375] close(18) = -1 EBADF (Bad file descriptor) [pid 375] close(19) = -1 EBADF (Bad file descriptor) [pid 375] close(20) = -1 EBADF (Bad file descriptor) [pid 375] close(21) = -1 EBADF (Bad file descriptor) [pid 375] close(22) = -1 EBADF (Bad file descriptor) [pid 375] close(23) = -1 EBADF (Bad file descriptor) [pid 375] close(24) = -1 EBADF (Bad file descriptor) [pid 375] close(25) = -1 EBADF (Bad file descriptor) [pid 375] close(26) = -1 EBADF (Bad file descriptor) [pid 375] close(27) = -1 EBADF (Bad file descriptor) [pid 375] close(28) = -1 EBADF (Bad file descriptor) [pid 375] close(29) = -1 EBADF (Bad file descriptor) [pid 375] exit_group(0 [pid 377] <... futex resumed>) = ? [pid 376] <... futex resumed>) = ? [pid 375] <... exit_group resumed>) = ? [pid 376] +++ exited with 0 +++ [pid 377] +++ exited with 0 +++ [pid 375] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 364] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./2/cgroup.cpu") = 0 [pid 364] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./2/binderfs") = 0 [pid 364] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 369] exit(0) = ? [pid 364] newfstatat(AT_FDCWD, "./2/cgroup", [pid 369] +++ exited with 0 +++ [pid 364] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] unlink("./2/cgroup") = 0 [pid 364] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./2/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./2") = 0 [pid 364] mkdir("./3", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 379 attached [pid 379] set_robust_list(0x55555564b6a0, 24) = 0 [pid 379] chdir("./3") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 14 [pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 379] setpgid(0, 0) = 0 [pid 379] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 379] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 379] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 379] write(3, "1000", 4) = 4 [pid 379] close(3) = 0 [pid 379] symlink("/dev/binderfs", "./binderfs") = 0 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 379] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 380 attached => {parent_tid=[15]}, 88) = 15 [pid 379] rt_sigprocmask(SIG_SETMASK, [], [pid 380] set_robust_list(0x7fcba5fdd9a0, 24 [pid 379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 380] <... set_robust_list resumed>) = 0 [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] rt_sigprocmask(SIG_SETMASK, [], [pid 379] <... futex resumed>) = 0 [pid 380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] getpid() = 14 [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 14, 0, -1, 0) = 3 [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC) = -1 EFAULT (Bad address) [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 380] openat(-1, NULL, O_RDWR|O_PATH [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... openat resumed>) = -1 EFAULT (Bad address) [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 380] bpf(BPF_OBJ_GET, NULL, 0 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 380] close(-1 [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 379] <... futex resumed>) = 0 [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... futex resumed>) = 0 [pid 379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 380] bpf(BPF_MAP_CREATE, NULL, 0 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 380] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 380] bpf(BPF_MAP_CREATE, NULL, 0 [pid 379] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 379] <... futex resumed>) = 0 [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 380] <... futex resumed>) = 0 [pid 379] <... mmap resumed>) = 0x7fcba5f9c000 [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 381 attached [pid 381] set_robust_list(0x7fcba5fbc9a0, 24 [pid 379] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 381] <... set_robust_list resumed>) = 0 [pid 379] rt_sigprocmask(SIG_SETMASK, [], [pid 381] rt_sigprocmask(SIG_SETMASK, [], [pid 379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 379] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 379] <... futex resumed>) = 0 [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 379] <... futex resumed>) = 1 [pid 380] close(3 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 382 attached [pid 380] <... close resumed>) = 0 [pid 381] <... clone resumed>) = 17 [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] <... futex resumed>) = 1 [pid 379] <... futex resumed>) = 0 [pid 381] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 380] gettid() = 15 [pid 380] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 380] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] close(3) = -1 EBADF (Bad file descriptor) [pid 379] close(4) = -1 EBADF (Bad file descriptor) [pid 379] close(5) = -1 EBADF (Bad file descriptor) [pid 379] close(6) = -1 EBADF (Bad file descriptor) [pid 379] close(7) = -1 EBADF (Bad file descriptor) [pid 379] close(8) = -1 EBADF (Bad file descriptor) [pid 379] close(9) = -1 EBADF (Bad file descriptor) [pid 379] close(10) = -1 EBADF (Bad file descriptor) [pid 379] close(11) = -1 EBADF (Bad file descriptor) [pid 379] close(12) = -1 EBADF (Bad file descriptor) [pid 379] close(13) = -1 EBADF (Bad file descriptor) [pid 379] close(14) = -1 EBADF (Bad file descriptor) [pid 379] close(15) = -1 EBADF (Bad file descriptor) [pid 379] close(16) = -1 EBADF (Bad file descriptor) [pid 379] close(17) = -1 EBADF (Bad file descriptor) [pid 379] close(18) = -1 EBADF (Bad file descriptor) [pid 379] close(19) = -1 EBADF (Bad file descriptor) [pid 379] close(20) = -1 EBADF (Bad file descriptor) [pid 379] close(21) = -1 EBADF (Bad file descriptor) [pid 379] close(22) = -1 EBADF (Bad file descriptor) [pid 379] close(23) = -1 EBADF (Bad file descriptor) [pid 379] close(24) = -1 EBADF (Bad file descriptor) [pid 379] close(25) = -1 EBADF (Bad file descriptor) [pid 379] close(26) = -1 EBADF (Bad file descriptor) [pid 379] close(27) = -1 EBADF (Bad file descriptor) [pid 379] close(28) = -1 EBADF (Bad file descriptor) [pid 379] close(29) = -1 EBADF (Bad file descriptor) [pid 379] exit_group(0 [pid 381] <... futex resumed>) = ? [pid 380] <... futex resumed>) = ? [pid 379] <... exit_group resumed>) = ? [pid 380] +++ exited with 0 +++ [pid 381] +++ exited with 0 +++ [pid 379] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./3/cgroup.cpu") = 0 [pid 364] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./3/binderfs") = 0 [pid 364] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./3/cgroup") = 0 [pid 364] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./3/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 374] exit(0 [pid 364] close(3 [pid 374] <... exit resumed>) = ? [pid 364] <... close resumed>) = 0 [pid 374] +++ exited with 0 +++ [pid 364] rmdir("./3") = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] mkdir("./4", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x55555564b6a0, 24) = 0 [pid 383] chdir("./4") = 0 [pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 383] setpgid(0, 0) = 0 [pid 383] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 18 [pid 383] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 383] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 383] write(3, "1000", 4) = 4 [pid 383] close(3) = 0 [pid 383] symlink("/dev/binderfs", "./binderfs") = 0 [pid 383] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 383] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 384 attached [pid 384] set_robust_list(0x7fcba5fdd9a0, 24 [pid 383] <... clone3 resumed> => {parent_tid=[19]}, 88) = 19 [pid 384] <... set_robust_list resumed>) = 0 [pid 383] rt_sigprocmask(SIG_SETMASK, [], [pid 384] rt_sigprocmask(SIG_SETMASK, [], [pid 383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] getpid( [pid 383] <... futex resumed>) = 0 [pid 384] <... getpid resumed>) = 18 [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] perf_event_open( [pid 383] <... futex resumed>) = 0 [pid 384] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 18, 0, -1, 0) = 3 [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 383] <... futex resumed>) = 0 [pid 384] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 383] <... futex resumed>) = 0 [pid 384] <... openat resumed>) = -1 EFAULT (Bad address) [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] openat(-1, NULL, O_RDWR|O_PATH [pid 383] <... futex resumed>) = 0 [pid 384] <... openat resumed>) = -1 EFAULT (Bad address) [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] bpf(BPF_OBJ_GET, NULL, 0 [pid 383] <... futex resumed>) = 0 [pid 384] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] close(-1 [pid 383] <... futex resumed>) = 0 [pid 384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] bpf(BPF_MAP_CREATE, NULL, 0 [pid 383] <... futex resumed>) = 0 [pid 384] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 383] <... futex resumed>) = 0 [pid 384] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] bpf(BPF_MAP_CREATE, NULL, 0 [pid 383] <... futex resumed>) = 0 [pid 384] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 383] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = 0 [pid 384] <... futex resumed>) = 0 [pid 383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 384] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 383] <... mmap resumed>) = 0x7fcba5f9c000 [pid 383] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 385 attached [pid 385] set_robust_list(0x7fcba5fbc9a0, 24 [pid 383] <... clone3 resumed> => {parent_tid=[20]}, 88) = 20 [pid 385] <... set_robust_list resumed>) = 0 [pid 383] rt_sigprocmask(SIG_SETMASK, [], [pid 385] rt_sigprocmask(SIG_SETMASK, [], [pid 383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 383] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 383] <... futex resumed>) = 0 ./strace-static-x86_64: Process 386 attached [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... clone resumed>) = 21 [pid 384] <... futex resumed>) = 0 [pid 383] <... futex resumed>) = 1 [pid 385] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] close(3 [pid 385] <... futex resumed>) = 0 [pid 384] <... close resumed>) = 0 [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 383] <... futex resumed>) = 0 [pid 384] gettid( [pid 383] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... gettid resumed>) = 19 [pid 383] <... futex resumed>) = 0 [pid 384] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 0 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 383] close(3) = -1 EBADF (Bad file descriptor) [pid 383] close(4) = -1 EBADF (Bad file descriptor) [pid 383] close(5) = -1 EBADF (Bad file descriptor) [pid 383] close(6) = -1 EBADF (Bad file descriptor) [pid 383] close(7) = -1 EBADF (Bad file descriptor) [pid 383] close(8) = -1 EBADF (Bad file descriptor) [pid 383] close(9) = -1 EBADF (Bad file descriptor) [pid 383] close(10) = -1 EBADF (Bad file descriptor) [pid 383] close(11) = -1 EBADF (Bad file descriptor) [pid 383] close(12) = -1 EBADF (Bad file descriptor) [pid 383] close(13) = -1 EBADF (Bad file descriptor) [pid 383] close(14) = -1 EBADF (Bad file descriptor) [pid 383] close(15) = -1 EBADF (Bad file descriptor) [pid 383] close(16) = -1 EBADF (Bad file descriptor) [pid 383] close(17) = -1 EBADF (Bad file descriptor) [pid 383] close(18) = -1 EBADF (Bad file descriptor) [pid 383] close(19) = -1 EBADF (Bad file descriptor) [pid 383] close(20) = -1 EBADF (Bad file descriptor) [pid 383] close(21) = -1 EBADF (Bad file descriptor) [pid 383] close(22) = -1 EBADF (Bad file descriptor) [pid 383] close(23) = -1 EBADF (Bad file descriptor) [pid 383] close(24) = -1 EBADF (Bad file descriptor) [pid 383] close(25) = -1 EBADF (Bad file descriptor) [pid 383] close(26) = -1 EBADF (Bad file descriptor) [pid 383] close(27) = -1 EBADF (Bad file descriptor) [pid 383] close(28) = -1 EBADF (Bad file descriptor) [pid 383] close(29) = -1 EBADF (Bad file descriptor) [pid 383] exit_group(0 [pid 385] <... futex resumed>) = ? [pid 384] <... futex resumed>) = ? [pid 383] <... exit_group resumed>) = ? [pid 385] +++ exited with 0 +++ [pid 384] +++ exited with 0 +++ [pid 383] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./4/cgroup.cpu") = 0 [pid 364] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./4/binderfs") = 0 [pid 364] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./4/cgroup") = 0 [pid 364] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./4/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./4") = 0 [pid 364] mkdir("./5", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555564b690) = 22 ./strace-static-x86_64: Process 387 attached [pid 387] set_robust_list(0x55555564b6a0, 24) = 0 [pid 387] chdir("./5") = 0 [pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 387] setpgid(0, 0) = 0 [pid 387] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 387] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 387] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 387] write(3, "1000", 4) = 4 [pid 387] close(3) = 0 [pid 387] symlink("/dev/binderfs", "./binderfs") = 0 [pid 387] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 387] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 378] exit(0) = ? [pid 387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 378] +++ exited with 0 +++ [pid 387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 388 attached [pid 388] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 388] rt_sigprocmask(SIG_SETMASK, [], [pid 387] <... clone3 resumed> => {parent_tid=[23]}, 88) = 23 [pid 388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 388] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 388] <... futex resumed>) = 0 [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] getpid() = 22 [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 388] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 387] <... futex resumed>) = 1 [pid 388] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 22, 0, -1, 0) = 3 [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 388] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... openat resumed>) = -1 EFAULT (Bad address) [pid 387] <... futex resumed>) = 0 [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 387] <... futex resumed>) = 1 [pid 388] openat(-1, NULL, O_RDWR|O_PATH [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... openat resumed>) = -1 EFAULT (Bad address) [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 388] bpf(BPF_OBJ_GET, NULL, 0 [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 388] close(-1 [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 387] <... futex resumed>) = 0 [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 0 [pid 387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] bpf(BPF_MAP_CREATE, NULL, 0 [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 388] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] bpf(BPF_MAP_CREATE, NULL, 0 [pid 387] <... futex resumed>) = 0 [pid 388] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 389 attached [pid 389] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 389] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 0 [pid 387] <... futex resumed>) = 1 [pid 389] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 390 attached [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 388] <... futex resumed>) = 0 [pid 389] <... clone resumed>) = 25 [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] close(3 [pid 389] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... close resumed>) = 0 [pid 389] <... futex resumed>) = 0 [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 388] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 388] <... futex resumed>) = 0 [pid 387] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] gettid() = 23 [pid 388] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 388] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] close(3) = -1 EBADF (Bad file descriptor) [pid 387] close(4) = -1 EBADF (Bad file descriptor) [pid 387] close(5) = -1 EBADF (Bad file descriptor) [pid 387] close(6) = -1 EBADF (Bad file descriptor) [pid 387] close(7) = -1 EBADF (Bad file descriptor) [pid 387] close(8) = -1 EBADF (Bad file descriptor) [pid 387] close(9) = -1 EBADF (Bad file descriptor) [pid 387] close(10) = -1 EBADF (Bad file descriptor) [pid 387] close(11) = -1 EBADF (Bad file descriptor) [pid 387] close(12) = -1 EBADF (Bad file descriptor) [pid 387] close(13) = -1 EBADF (Bad file descriptor) [pid 387] close(14) = -1 EBADF (Bad file descriptor) [pid 387] close(15) = -1 EBADF (Bad file descriptor) [pid 387] close(16) = -1 EBADF (Bad file descriptor) [pid 387] close(17) = -1 EBADF (Bad file descriptor) [pid 387] close(18) = -1 EBADF (Bad file descriptor) [pid 387] close(19) = -1 EBADF (Bad file descriptor) [pid 387] close(20) = -1 EBADF (Bad file descriptor) [pid 387] close(21) = -1 EBADF (Bad file descriptor) [pid 387] close(22) = -1 EBADF (Bad file descriptor) [pid 387] close(23) = -1 EBADF (Bad file descriptor) [pid 387] close(24) = -1 EBADF (Bad file descriptor) [pid 387] close(25) = -1 EBADF (Bad file descriptor) [pid 387] close(26) = -1 EBADF (Bad file descriptor) [pid 387] close(27) = -1 EBADF (Bad file descriptor) [pid 387] close(28) = -1 EBADF (Bad file descriptor) [pid 387] close(29) = -1 EBADF (Bad file descriptor) [pid 387] exit_group(0 [pid 389] <... futex resumed>) = ? [pid 388] <... futex resumed>) = ? [pid 387] <... exit_group resumed>) = ? [pid 389] +++ exited with 0 +++ [pid 388] +++ exited with 0 +++ [pid 387] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./5/cgroup.cpu") = 0 [pid 364] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./5/binderfs") = 0 [pid 364] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./5/cgroup") = 0 [pid 364] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./5/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./5") = 0 [pid 364] mkdir("./6", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 391 attached , child_tidptr=0x55555564b690) = 26 [pid 391] set_robust_list(0x55555564b6a0, 24) = 0 [pid 391] chdir("./6") = 0 [pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 391] setpgid(0, 0) = 0 [pid 391] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 391] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 391] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 391] write(3, "1000", 4) = 4 [pid 391] close(3) = 0 [pid 391] symlink("/dev/binderfs", "./binderfs") = 0 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 382] exit(0 [pid 391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 382] <... exit resumed>) = ? [pid 382] +++ exited with 0 +++ [pid 391] <... mmap resumed>) = 0x7fcba5fbd000 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 391] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 392 attached [pid 392] set_robust_list(0x7fcba5fdd9a0, 24 [pid 391] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 392] <... set_robust_list resumed>) = 0 [pid 391] rt_sigprocmask(SIG_SETMASK, [], [pid 392] rt_sigprocmask(SIG_SETMASK, [], [pid 391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] getpid( [pid 391] <... futex resumed>) = 0 [pid 392] <... getpid resumed>) = 26 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 391] <... futex resumed>) = 0 [pid 392] perf_event_open( [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 26, 0, -1, 0) = 3 [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... openat resumed>) = -1 EFAULT (Bad address) [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] openat(-1, NULL, O_RDWR|O_PATH [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... openat resumed>) = -1 EFAULT (Bad address) [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] bpf(BPF_OBJ_GET, NULL, 0 [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] close(-1 [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] bpf(BPF_MAP_CREATE, NULL, 0 [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] bpf(BPF_MAP_CREATE, NULL, 0 [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 [pid 391] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 393 attached [pid 393] set_robust_list(0x7fcba5fbc9a0, 24 [pid 391] <... clone3 resumed> => {parent_tid=[28]}, 88) = 28 [pid 393] <... set_robust_list resumed>) = 0 [pid 391] rt_sigprocmask(SIG_SETMASK, [], [pid 393] rt_sigprocmask(SIG_SETMASK, [], [pid 391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 391] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = 1 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] close(3) = 0 ./strace-static-x86_64: Process 394 attached [pid 393] <... clone resumed>) = 29 [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 391] <... futex resumed>) = 0 [pid 393] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 393] <... futex resumed>) = 0 [pid 391] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 393] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 391] <... futex resumed>) = 0 [pid 392] gettid() = 27 [pid 391] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 391] close(3) = -1 EBADF (Bad file descriptor) [pid 391] close(4) = -1 EBADF (Bad file descriptor) [pid 391] close(5 [pid 392] <... futex resumed>) = 0 [pid 391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 391] close(6) = -1 EBADF (Bad file descriptor) [pid 391] close(7) = -1 EBADF (Bad file descriptor) [pid 391] close(8) = -1 EBADF (Bad file descriptor) [pid 391] close(9) = -1 EBADF (Bad file descriptor) [pid 391] close(10) = -1 EBADF (Bad file descriptor) [pid 392] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 391] close(11) = -1 EBADF (Bad file descriptor) [pid 391] close(12) = -1 EBADF (Bad file descriptor) [pid 391] close(13) = -1 EBADF (Bad file descriptor) [pid 391] close(14) = -1 EBADF (Bad file descriptor) [pid 391] close(15) = -1 EBADF (Bad file descriptor) [pid 391] close(16) = -1 EBADF (Bad file descriptor) [pid 391] close(17) = -1 EBADF (Bad file descriptor) [pid 391] close(18) = -1 EBADF (Bad file descriptor) [pid 391] close(19) = -1 EBADF (Bad file descriptor) [pid 391] close(20) = -1 EBADF (Bad file descriptor) [pid 391] close(21) = -1 EBADF (Bad file descriptor) [pid 391] close(22) = -1 EBADF (Bad file descriptor) [pid 391] close(23) = -1 EBADF (Bad file descriptor) [pid 391] close(24) = -1 EBADF (Bad file descriptor) [pid 391] close(25) = -1 EBADF (Bad file descriptor) [pid 391] close(26) = -1 EBADF (Bad file descriptor) [pid 391] close(27) = -1 EBADF (Bad file descriptor) [pid 391] close(28) = -1 EBADF (Bad file descriptor) [pid 391] close(29) = -1 EBADF (Bad file descriptor) [pid 391] exit_group(0 [pid 393] <... futex resumed>) = ? [pid 392] <... futex resumed>) = ? [pid 391] <... exit_group resumed>) = ? [pid 393] +++ exited with 0 +++ [pid 392] +++ exited with 0 +++ [pid 391] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./6/cgroup.cpu") = 0 [pid 364] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./6/binderfs") = 0 [pid 364] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./6/cgroup") = 0 [pid 364] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 386] exit(0 [pid 364] newfstatat(AT_FDCWD, "./6/cgroup.net", [pid 386] <... exit resumed>) = ? [pid 386] +++ exited with 0 +++ [pid 364] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] unlink("./6/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./6") = 0 [pid 364] mkdir("./7", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 395 attached [pid 395] set_robust_list(0x55555564b6a0, 24) = 0 [pid 395] chdir("./7") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 30 [pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 395] setpgid(0, 0) = 0 [pid 395] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 395] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 395] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 395] write(3, "1000", 4) = 4 [pid 395] close(3) = 0 [pid 395] symlink("/dev/binderfs", "./binderfs") = 0 [pid 395] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 395] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 396 attached => {parent_tid=[31]}, 88) = 31 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 396] getpid() = 30 [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] perf_event_open( [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 30, 0, -1, 0) = 3 [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... openat resumed>) = -1 EFAULT (Bad address) [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] openat(-1, NULL, O_RDWR|O_PATH [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... openat resumed>) = -1 EFAULT (Bad address) [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] bpf(BPF_OBJ_GET, NULL, 0 [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] close(-1 [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] bpf(BPF_MAP_CREATE, NULL, 0 [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] bpf(BPF_MAP_CREATE, NULL, 0 [pid 395] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 396] <... futex resumed>) = 0 [pid 395] <... mmap resumed>) = 0x7fcba5f9c000 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0} => {parent_tid=[32]}, 88) = 32 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 395] <... futex resumed>) = 1 [pid 396] close(3 [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... close resumed>) = 0 [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] <... futex resumed>) = 0 [pid 396] gettid( [pid 395] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... gettid resumed>) = 31 [pid 396] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 396] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 397 attached [pid 397] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 398 attached ) = 33 [pid 397] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] close(3) = -1 EBADF (Bad file descriptor) [pid 395] close(4) = -1 EBADF (Bad file descriptor) [pid 395] close(5) = -1 EBADF (Bad file descriptor) [pid 395] close(6) = -1 EBADF (Bad file descriptor) [pid 395] close(7) = -1 EBADF (Bad file descriptor) [pid 395] close(8) = -1 EBADF (Bad file descriptor) [pid 395] close(9) = -1 EBADF (Bad file descriptor) [pid 395] close(10) = -1 EBADF (Bad file descriptor) [pid 395] close(11) = -1 EBADF (Bad file descriptor) [pid 395] close(12) = -1 EBADF (Bad file descriptor) [pid 395] close(13) = -1 EBADF (Bad file descriptor) [pid 395] close(14) = -1 EBADF (Bad file descriptor) [pid 395] close(15) = -1 EBADF (Bad file descriptor) [pid 395] close(16) = -1 EBADF (Bad file descriptor) [pid 395] close(17) = -1 EBADF (Bad file descriptor) [pid 395] close(18) = -1 EBADF (Bad file descriptor) [pid 395] close(19) = -1 EBADF (Bad file descriptor) [pid 395] close(20) = -1 EBADF (Bad file descriptor) [pid 395] close(21) = -1 EBADF (Bad file descriptor) [pid 395] close(22) = -1 EBADF (Bad file descriptor) [pid 395] close(23) = -1 EBADF (Bad file descriptor) [pid 395] close(24) = -1 EBADF (Bad file descriptor) [pid 395] close(25) = -1 EBADF (Bad file descriptor) [pid 395] close(26) = -1 EBADF (Bad file descriptor) [pid 395] close(27) = -1 EBADF (Bad file descriptor) [pid 395] close(28) = -1 EBADF (Bad file descriptor) [pid 395] close(29) = -1 EBADF (Bad file descriptor) [pid 395] exit_group(0 [pid 397] <... futex resumed>) = ? [pid 396] <... futex resumed>) = ? [pid 395] <... exit_group resumed>) = ? [pid 397] +++ exited with 0 +++ [pid 396] +++ exited with 0 +++ [pid 395] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./7/cgroup.cpu") = 0 [pid 364] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./7/binderfs") = 0 [pid 364] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./7/cgroup") = 0 [pid 364] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./7/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./7") = 0 [pid 390] exit(0) = ? [pid 364] mkdir("./8", 0777 [pid 390] +++ exited with 0 +++ [pid 364] <... mkdir resumed>) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 399 attached [pid 399] set_robust_list(0x55555564b6a0, 24 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 34 [pid 399] <... set_robust_list resumed>) = 0 [pid 399] chdir("./8") = 0 [pid 399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 399] setpgid(0, 0) = 0 [pid 399] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 399] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 399] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 399] write(3, "1000", 4) = 4 [pid 399] close(3) = 0 [pid 399] symlink("/dev/binderfs", "./binderfs") = 0 [pid 399] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 399] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 399] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 400 attached [pid 400] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] <... clone3 resumed> => {parent_tid=[35]}, 88) = 35 [pid 399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 399] <... futex resumed>) = 1 [pid 400] getpid( [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] <... getpid resumed>) = 34 [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] perf_event_open( [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 34, 0, -1, 0) = 3 [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 400] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC) = -1 EFAULT (Bad address) [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] <... futex resumed>) = 0 [pid 400] openat(-1, NULL, O_RDWR|O_PATH [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] <... openat resumed>) = -1 EFAULT (Bad address) [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] <... futex resumed>) = 0 [pid 400] bpf(BPF_OBJ_GET, NULL, 0 [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] <... futex resumed>) = 0 [pid 400] close(-1 [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument) [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] <... futex resumed>) = 0 [pid 400] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] <... futex resumed>) = 0 [pid 400] bpf(BPF_MAP_CREATE, NULL, 0 [pid 399] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 399] <... futex resumed>) = 0 [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 400] <... futex resumed>) = 0 [pid 399] <... mmap resumed>) = 0x7fcba5f9c000 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 401 attached [pid 401] set_robust_list(0x7fcba5fbc9a0, 24 [pid 399] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 401] <... set_robust_list resumed>) = 0 [pid 401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 401] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 399] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 399] <... futex resumed>) = 1 [pid 401] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 399] <... futex resumed>) = 1 [pid 400] close(3 [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 402 attached [pid 400] <... close resumed>) = 0 [pid 401] <... clone resumed>) = 37 [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 401] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 400] gettid( [pid 399] <... futex resumed>) = 0 [pid 401] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 400] <... gettid resumed>) = 35 [pid 399] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 400] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 400] <... futex resumed>) = 0 [pid 399] close(3 [pid 400] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 399] close(4) = -1 EBADF (Bad file descriptor) [pid 399] close(5) = -1 EBADF (Bad file descriptor) [pid 399] close(6) = -1 EBADF (Bad file descriptor) [pid 399] close(7) = -1 EBADF (Bad file descriptor) [pid 399] close(8) = -1 EBADF (Bad file descriptor) [pid 399] close(9) = -1 EBADF (Bad file descriptor) [pid 399] close(10) = -1 EBADF (Bad file descriptor) [pid 399] close(11) = -1 EBADF (Bad file descriptor) [pid 399] close(12) = -1 EBADF (Bad file descriptor) [pid 399] close(13) = -1 EBADF (Bad file descriptor) [pid 399] close(14) = -1 EBADF (Bad file descriptor) [pid 399] close(15) = -1 EBADF (Bad file descriptor) [pid 399] close(16) = -1 EBADF (Bad file descriptor) [pid 399] close(17) = -1 EBADF (Bad file descriptor) [pid 399] close(18) = -1 EBADF (Bad file descriptor) [pid 399] close(19) = -1 EBADF (Bad file descriptor) [pid 399] close(20) = -1 EBADF (Bad file descriptor) [pid 399] close(21) = -1 EBADF (Bad file descriptor) [pid 399] close(22) = -1 EBADF (Bad file descriptor) [pid 399] close(23) = -1 EBADF (Bad file descriptor) [pid 399] close(24) = -1 EBADF (Bad file descriptor) [pid 399] close(25) = -1 EBADF (Bad file descriptor) [pid 399] close(26) = -1 EBADF (Bad file descriptor) [pid 399] close(27) = -1 EBADF (Bad file descriptor) [pid 399] close(28) = -1 EBADF (Bad file descriptor) [pid 399] close(29) = -1 EBADF (Bad file descriptor) [pid 399] exit_group(0 [pid 401] <... futex resumed>) = ? [pid 400] <... futex resumed>) = ? [pid 399] <... exit_group resumed>) = ? [pid 400] +++ exited with 0 +++ [pid 401] +++ exited with 0 +++ [pid 399] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./8/cgroup.cpu") = 0 [pid 364] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./8/binderfs" [pid 394] exit(0 [pid 364] <... unlink resumed>) = 0 [pid 394] <... exit resumed>) = ? [pid 364] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 394] +++ exited with 0 +++ [pid 364] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./8/cgroup") = 0 [pid 364] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./8/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./8") = 0 [pid 364] mkdir("./9", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 403 attached [pid 403] set_robust_list(0x55555564b6a0, 24) = 0 [pid 403] chdir("./9") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 38 [pid 403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 403] setpgid(0, 0) = 0 [pid 403] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 403] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 403] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 403] write(3, "1000", 4) = 4 [pid 403] close(3) = 0 [pid 403] symlink("/dev/binderfs", "./binderfs") = 0 [pid 403] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 403] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 404 attached => {parent_tid=[39]}, 88) = 39 [pid 404] set_robust_list(0x7fcba5fdd9a0, 24 [pid 403] rt_sigprocmask(SIG_SETMASK, [], [pid 404] <... set_robust_list resumed>) = 0 [pid 403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 404] rt_sigprocmask(SIG_SETMASK, [], [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 403] <... futex resumed>) = 0 [pid 404] getpid( [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... getpid resumed>) = 38 [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 38, 0, -1, 0) = 3 [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 403] <... futex resumed>) = 0 [pid 404] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC) = -1 EFAULT (Bad address) [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 403] <... futex resumed>) = 0 [pid 404] openat(-1, NULL, O_RDWR|O_PATH [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... openat resumed>) = -1 EFAULT (Bad address) [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 403] <... futex resumed>) = 0 [pid 404] bpf(BPF_OBJ_GET, NULL, 0 [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 403] <... futex resumed>) = 0 [pid 404] close(-1 [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 403] <... futex resumed>) = 0 [pid 404] bpf(BPF_MAP_CREATE, NULL, 0 [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 403] <... futex resumed>) = 0 [pid 404] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 403] <... futex resumed>) = 0 [pid 404] bpf(BPF_MAP_CREATE, NULL, 0 [pid 403] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 404] <... futex resumed>) = 0 [pid 403] <... mmap resumed>) = 0x7fcba5f9c000 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 405 attached => {parent_tid=[40]}, 88) = 40 [pid 405] set_robust_list(0x7fcba5fbc9a0, 24 [pid 403] rt_sigprocmask(SIG_SETMASK, [], [pid 405] <... set_robust_list resumed>) = 0 [pid 403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 405] rt_sigprocmask(SIG_SETMASK, [], [pid 403] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 403] <... futex resumed>) = 0 [pid 405] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 403] <... futex resumed>) = 1 [pid 404] close(3 [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 406 attached [pid 404] <... close resumed>) = 0 [pid 405] <... clone resumed>) = 41 [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 405] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] <... futex resumed>) = 0 [pid 404] gettid( [pid 403] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 405] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 404] <... gettid resumed>) = 39 [pid 404] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 403] <... futex resumed>) = 0 [pid 404] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] close(3) = -1 EBADF (Bad file descriptor) [pid 403] close(4) = -1 EBADF (Bad file descriptor) [pid 403] close(5) = -1 EBADF (Bad file descriptor) [pid 403] close(6) = -1 EBADF (Bad file descriptor) [pid 403] close(7) = -1 EBADF (Bad file descriptor) [pid 403] close(8) = -1 EBADF (Bad file descriptor) [pid 403] close(9) = -1 EBADF (Bad file descriptor) [pid 403] close(10) = -1 EBADF (Bad file descriptor) [pid 403] close(11) = -1 EBADF (Bad file descriptor) [pid 403] close(12) = -1 EBADF (Bad file descriptor) [pid 403] close(13) = -1 EBADF (Bad file descriptor) [pid 403] close(14) = -1 EBADF (Bad file descriptor) [pid 403] close(15) = -1 EBADF (Bad file descriptor) [pid 403] close(16) = -1 EBADF (Bad file descriptor) [pid 403] close(17) = -1 EBADF (Bad file descriptor) [pid 403] close(18) = -1 EBADF (Bad file descriptor) [pid 403] close(19) = -1 EBADF (Bad file descriptor) [pid 403] close(20) = -1 EBADF (Bad file descriptor) [pid 403] close(21) = -1 EBADF (Bad file descriptor) [pid 403] close(22) = -1 EBADF (Bad file descriptor) [pid 403] close(23) = -1 EBADF (Bad file descriptor) [pid 403] close(24) = -1 EBADF (Bad file descriptor) [pid 403] close(25) = -1 EBADF (Bad file descriptor) [pid 403] close(26) = -1 EBADF (Bad file descriptor) [pid 403] close(27) = -1 EBADF (Bad file descriptor) [pid 403] close(28) = -1 EBADF (Bad file descriptor) [pid 403] close(29) = -1 EBADF (Bad file descriptor) [pid 403] exit_group(0 [pid 404] <... futex resumed>) = ? [pid 403] <... exit_group resumed>) = ? [pid 405] <... futex resumed>) = ? [pid 404] +++ exited with 0 +++ [pid 405] +++ exited with 0 +++ [pid 403] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 364] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 398] exit(0) = ? [pid 364] unlink("./9/cgroup.cpu" [pid 398] +++ exited with 0 +++ [pid 364] <... unlink resumed>) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./9/binderfs") = 0 [pid 364] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./9/cgroup") = 0 [pid 364] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./9/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./9") = 0 [pid 364] mkdir("./10", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 407 attached [pid 407] set_robust_list(0x55555564b6a0, 24) = 0 [pid 407] chdir("./10") = 0 [pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 407] setpgid(0, 0) = 0 [pid 407] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 42 [pid 407] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 407] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 407] write(3, "1000", 4) = 4 [pid 407] close(3) = 0 [pid 407] symlink("/dev/binderfs", "./binderfs") = 0 [pid 407] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 407] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 408 attached [pid 408] set_robust_list(0x7fcba5fdd9a0, 24 [pid 407] <... clone3 resumed> => {parent_tid=[43]}, 88) = 43 [pid 408] <... set_robust_list resumed>) = 0 [pid 407] rt_sigprocmask(SIG_SETMASK, [], [pid 408] rt_sigprocmask(SIG_SETMASK, [], [pid 407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] getpid( [pid 407] <... futex resumed>) = 0 [pid 408] <... getpid resumed>) = 42 [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 408] <... futex resumed>) = 0 [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] perf_event_open( [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 42, 0, -1, 0) = 3 [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 408] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 407] <... futex resumed>) = 0 [pid 408] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 408] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 407] <... futex resumed>) = 0 [pid 408] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... openat resumed>) = -1 EFAULT (Bad address) [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 408] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 407] <... futex resumed>) = 0 [pid 408] openat(-1, NULL, O_RDWR|O_PATH [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... openat resumed>) = -1 EFAULT (Bad address) [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 408] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 407] <... futex resumed>) = 0 [pid 408] bpf(BPF_OBJ_GET, NULL, 0 [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 408] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 407] <... futex resumed>) = 0 [pid 408] close(-1 [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 408] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 407] <... futex resumed>) = 0 [pid 408] bpf(BPF_MAP_CREATE, NULL, 0 [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 407] <... futex resumed>) = 0 [pid 408] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 408] <... futex resumed>) = 0 [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] bpf(BPF_MAP_CREATE, NULL, 0 [pid 407] <... futex resumed>) = 0 [pid 408] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 407] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 408] <... futex resumed>) = 0 [pid 407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 408] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] <... mmap resumed>) = 0x7fcba5f9c000 [pid 407] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 409 attached [pid 409] set_robust_list(0x7fcba5fbc9a0, 24 [pid 407] <... clone3 resumed> => {parent_tid=[44]}, 88) = 44 [pid 409] <... set_robust_list resumed>) = 0 [pid 407] rt_sigprocmask(SIG_SETMASK, [], [pid 409] rt_sigprocmask(SIG_SETMASK, [], [pid 407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 407] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = 0 [pid 407] <... futex resumed>) = 1 [pid 408] close(3 [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 410 attached [pid 408] <... close resumed>) = 0 [pid 409] <... clone resumed>) = 45 [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 409] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = 0 [pid 409] <... futex resumed>) = 0 [pid 408] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 409] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = 0 [pid 407] <... futex resumed>) = 1 [pid 408] gettid( [pid 407] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... gettid resumed>) = 43 [pid 408] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 408] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] close(3) = -1 EBADF (Bad file descriptor) [pid 407] close(4) = -1 EBADF (Bad file descriptor) [pid 407] close(5) = -1 EBADF (Bad file descriptor) [pid 407] close(6) = -1 EBADF (Bad file descriptor) [pid 407] close(7) = -1 EBADF (Bad file descriptor) [pid 407] close(8) = -1 EBADF (Bad file descriptor) [pid 407] close(9) = -1 EBADF (Bad file descriptor) [pid 407] close(10) = -1 EBADF (Bad file descriptor) [pid 407] close(11) = -1 EBADF (Bad file descriptor) [pid 407] close(12) = -1 EBADF (Bad file descriptor) [pid 407] close(13) = -1 EBADF (Bad file descriptor) [pid 407] close(14) = -1 EBADF (Bad file descriptor) [pid 407] close(15) = -1 EBADF (Bad file descriptor) [pid 407] close(16) = -1 EBADF (Bad file descriptor) [pid 407] close(17) = -1 EBADF (Bad file descriptor) [pid 407] close(18) = -1 EBADF (Bad file descriptor) [pid 407] close(19) = -1 EBADF (Bad file descriptor) [pid 407] close(20) = -1 EBADF (Bad file descriptor) [pid 407] close(21) = -1 EBADF (Bad file descriptor) [pid 407] close(22) = -1 EBADF (Bad file descriptor) [pid 407] close(23) = -1 EBADF (Bad file descriptor) [pid 407] close(24) = -1 EBADF (Bad file descriptor) [pid 407] close(25) = -1 EBADF (Bad file descriptor) [pid 407] close(26) = -1 EBADF (Bad file descriptor) [pid 407] close(27) = -1 EBADF (Bad file descriptor) [pid 407] close(28) = -1 EBADF (Bad file descriptor) [pid 407] close(29) = -1 EBADF (Bad file descriptor) [pid 407] exit_group(0 [pid 409] <... futex resumed>) = ? [pid 408] <... futex resumed>) = ? [pid 407] <... exit_group resumed>) = ? [pid 409] +++ exited with 0 +++ [pid 408] +++ exited with 0 +++ [pid 407] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 364] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./10/cgroup.cpu") = 0 [pid 364] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./10/binderfs") = 0 [pid 364] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./10/cgroup") = 0 [pid 364] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./10/cgroup.net") = 0 [pid 402] exit(0) = ? [pid 364] getdents64(3, [pid 402] +++ exited with 0 +++ [pid 364] <... getdents64 resumed>0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] close(3) = 0 [pid 364] rmdir("./10") = 0 [pid 364] mkdir("./11", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 411 attached [pid 411] set_robust_list(0x55555564b6a0, 24) = 0 [pid 411] chdir("./11") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 46 [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 411] setpgid(0, 0) = 0 [pid 411] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 411] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 411] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 411] write(3, "1000", 4) = 4 [pid 411] close(3) = 0 [pid 411] symlink("/dev/binderfs", "./binderfs") = 0 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 411] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 412 attached [pid 412] set_robust_list(0x7fcba5fdd9a0, 24 [pid 411] <... clone3 resumed> => {parent_tid=[47]}, 88) = 47 [pid 412] <... set_robust_list resumed>) = 0 [pid 411] rt_sigprocmask(SIG_SETMASK, [], [pid 412] rt_sigprocmask(SIG_SETMASK, [], [pid 411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] getpid( [pid 411] <... futex resumed>) = 0 [pid 412] <... getpid resumed>) = 46 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 411] <... futex resumed>) = 0 [pid 412] perf_event_open( [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 46, 0, -1, 0) = 3 [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 412] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 412] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... openat resumed>) = -1 EFAULT (Bad address) [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 412] openat(-1, NULL, O_RDWR|O_PATH [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... openat resumed>) = -1 EFAULT (Bad address) [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 412] bpf(BPF_OBJ_GET, NULL, 0 [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 412] close(-1 [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 412] bpf(BPF_MAP_CREATE, NULL, 0 [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 412] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 412] bpf(BPF_MAP_CREATE, NULL, 0 [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 [pid 411] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 413 attached [pid 413] set_robust_list(0x7fcba5fbc9a0, 24 [pid 411] <... clone3 resumed> => {parent_tid=[48]}, 88) = 48 [pid 413] <... set_robust_list resumed>) = 0 [pid 411] rt_sigprocmask(SIG_SETMASK, [], [pid 413] rt_sigprocmask(SIG_SETMASK, [], [pid 411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 411] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 411] <... futex resumed>) = 0 ./strace-static-x86_64: Process 414 attached [pid 413] <... clone resumed>) = 49 [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = 1 [pid 413] <... futex resumed>) = 0 [pid 412] close(3 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 413] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 412] <... close resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 411] <... futex resumed>) = 0 [pid 412] gettid( [pid 411] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... gettid resumed>) = 47 [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 0 [pid 411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 412] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 411] close(3) = -1 EBADF (Bad file descriptor) [pid 411] close(4) = -1 EBADF (Bad file descriptor) [pid 411] close(5) = -1 EBADF (Bad file descriptor) [pid 411] close(6) = -1 EBADF (Bad file descriptor) [pid 411] close(7) = -1 EBADF (Bad file descriptor) [pid 411] close(8) = -1 EBADF (Bad file descriptor) [pid 411] close(9) = -1 EBADF (Bad file descriptor) [pid 411] close(10) = -1 EBADF (Bad file descriptor) [pid 411] close(11) = -1 EBADF (Bad file descriptor) [pid 411] close(12) = -1 EBADF (Bad file descriptor) [pid 411] close(13) = -1 EBADF (Bad file descriptor) [pid 411] close(14) = -1 EBADF (Bad file descriptor) [pid 411] close(15) = -1 EBADF (Bad file descriptor) [pid 411] close(16) = -1 EBADF (Bad file descriptor) [pid 411] close(17) = -1 EBADF (Bad file descriptor) [pid 411] close(18) = -1 EBADF (Bad file descriptor) [pid 411] close(19) = -1 EBADF (Bad file descriptor) [pid 411] close(20) = -1 EBADF (Bad file descriptor) [pid 411] close(21) = -1 EBADF (Bad file descriptor) [pid 411] close(22) = -1 EBADF (Bad file descriptor) [pid 411] close(23) = -1 EBADF (Bad file descriptor) [pid 411] close(24) = -1 EBADF (Bad file descriptor) [pid 411] close(25) = -1 EBADF (Bad file descriptor) [pid 411] close(26) = -1 EBADF (Bad file descriptor) [pid 411] close(27) = -1 EBADF (Bad file descriptor) [pid 411] close(28) = -1 EBADF (Bad file descriptor) [pid 411] close(29) = -1 EBADF (Bad file descriptor) [pid 411] exit_group(0 [pid 413] <... futex resumed>) = ? [pid 412] <... futex resumed>) = ? [pid 411] <... exit_group resumed>) = ? [pid 413] +++ exited with 0 +++ [pid 412] +++ exited with 0 +++ [pid 411] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 364] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./11/cgroup.cpu") = 0 [pid 364] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./11/binderfs") = 0 [pid 364] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./11/cgroup") = 0 [pid 364] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 406] exit(0 [pid 364] unlink("./11/cgroup.net" [pid 406] <... exit resumed>) = ? [pid 406] +++ exited with 0 +++ [pid 364] <... unlink resumed>) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./11") = 0 [pid 364] mkdir("./12", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 415 attached [pid 415] set_robust_list(0x55555564b6a0, 24) = 0 [pid 415] chdir("./12") = 0 [pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 415] setpgid(0, 0) = 0 [pid 415] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 50 [pid 415] <... symlink resumed>) = 0 [pid 415] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 415] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 415] write(3, "1000", 4) = 4 [pid 415] close(3) = 0 [pid 415] symlink("/dev/binderfs", "./binderfs") = 0 [pid 415] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 415] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 416 attached [pid 416] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 416] rt_sigprocmask(SIG_SETMASK, [], [pid 415] <... clone3 resumed> => {parent_tid=[51]}, 88) = 51 [pid 416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] getpid() = 50 [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 415] <... futex resumed>) = 0 [pid 416] perf_event_open( [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 50, 0, -1, 0) = 3 [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] <... futex resumed>) = 0 [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = 0 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 416] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... openat resumed>) = -1 EFAULT (Bad address) [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 416] openat(-1, NULL, O_RDWR|O_PATH [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... openat resumed>) = -1 EFAULT (Bad address) [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 416] bpf(BPF_OBJ_GET, NULL, 0) = -1 EFAULT (Bad address) [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 416] close(-1 [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] <... futex resumed>) = 0 [pid 416] bpf(BPF_MAP_CREATE, NULL, 0 [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 415] <... futex resumed>) = 0 [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 415] <... futex resumed>) = 0 [pid 416] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] <... futex resumed>) = 0 [pid 416] bpf(BPF_MAP_CREATE, NULL, 0 [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 415] <... futex resumed>) = 0 [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 0 [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 [pid 415] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 417 attached [pid 417] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] <... clone3 resumed> => {parent_tid=[52]}, 88) = 52 [pid 417] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 417] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 416] close(3 [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 418 attached [pid 416] <... close resumed>) = 0 [pid 417] <... clone resumed>) = 53 [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] <... futex resumed>) = 1 [pid 415] <... futex resumed>) = 0 [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 415] <... futex resumed>) = 0 [pid 416] gettid( [pid 415] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... gettid resumed>) = 51 [pid 416] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] <... futex resumed>) = 0 [pid 416] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] close(3 [pid 417] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 415] close(4) = -1 EBADF (Bad file descriptor) [pid 415] close(5) = -1 EBADF (Bad file descriptor) [pid 415] close(6) = -1 EBADF (Bad file descriptor) [pid 415] close(7) = -1 EBADF (Bad file descriptor) [pid 415] close(8) = -1 EBADF (Bad file descriptor) [pid 415] close(9) = -1 EBADF (Bad file descriptor) [pid 415] close(10) = -1 EBADF (Bad file descriptor) [pid 415] close(11) = -1 EBADF (Bad file descriptor) [pid 415] close(12) = -1 EBADF (Bad file descriptor) [pid 415] close(13) = -1 EBADF (Bad file descriptor) [pid 415] close(14) = -1 EBADF (Bad file descriptor) [pid 415] close(15) = -1 EBADF (Bad file descriptor) [pid 415] close(16) = -1 EBADF (Bad file descriptor) [pid 415] close(17) = -1 EBADF (Bad file descriptor) [pid 415] close(18) = -1 EBADF (Bad file descriptor) [pid 415] close(19) = -1 EBADF (Bad file descriptor) [pid 415] close(20) = -1 EBADF (Bad file descriptor) [pid 415] close(21) = -1 EBADF (Bad file descriptor) [pid 415] close(22) = -1 EBADF (Bad file descriptor) [pid 415] close(23) = -1 EBADF (Bad file descriptor) [pid 415] close(24) = -1 EBADF (Bad file descriptor) [pid 415] close(25) = -1 EBADF (Bad file descriptor) [pid 415] close(26) = -1 EBADF (Bad file descriptor) [pid 415] close(27) = -1 EBADF (Bad file descriptor) [pid 415] close(28) = -1 EBADF (Bad file descriptor) [pid 415] close(29) = -1 EBADF (Bad file descriptor) [pid 415] exit_group(0 [pid 417] <... futex resumed>) = ? [pid 416] <... futex resumed>) = ? [pid 415] <... exit_group resumed>) = ? [pid 417] +++ exited with 0 +++ [pid 416] +++ exited with 0 +++ [pid 415] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./12/cgroup.cpu") = 0 [pid 364] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./12/binderfs") = 0 [pid 364] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./12/cgroup") = 0 [pid 364] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./12/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./12") = 0 [pid 364] mkdir("./13", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 419 attached [pid 419] set_robust_list(0x55555564b6a0, 24 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 54 [pid 419] <... set_robust_list resumed>) = 0 [pid 419] chdir("./13") = 0 [pid 410] exit(0 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 410] <... exit resumed>) = ? [pid 419] <... prctl resumed>) = 0 [pid 410] +++ exited with 0 +++ [pid 419] setpgid(0, 0) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 419] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 419] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 419] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 [pid 419] symlink("/dev/binderfs", "./binderfs") = 0 [pid 419] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 419] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 420 attached => {parent_tid=[55]}, 88) = 55 [pid 420] set_robust_list(0x7fcba5fdd9a0, 24 [pid 419] rt_sigprocmask(SIG_SETMASK, [], [pid 420] <... set_robust_list resumed>) = 0 [pid 419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 420] rt_sigprocmask(SIG_SETMASK, [], [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 419] <... futex resumed>) = 0 [pid 420] getpid( [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... getpid resumed>) = 54 [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 54, 0, -1, 0) = 3 [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] <... futex resumed>) = 0 [pid 420] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 419] <... futex resumed>) = 0 [pid 420] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] <... futex resumed>) = 0 [pid 420] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... openat resumed>) = -1 EFAULT (Bad address) [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] <... futex resumed>) = 0 [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] openat(-1, NULL, O_RDWR|O_PATH [pid 419] <... futex resumed>) = 0 [pid 420] <... openat resumed>) = -1 EFAULT (Bad address) [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] <... futex resumed>) = 0 [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] bpf(BPF_OBJ_GET, NULL, 0 [pid 419] <... futex resumed>) = 0 [pid 420] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] <... futex resumed>) = 0 [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] close(-1 [pid 419] <... futex resumed>) = 0 [pid 420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] <... futex resumed>) = 0 [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] bpf(BPF_MAP_CREATE, NULL, 0 [pid 419] <... futex resumed>) = 0 [pid 420] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] <... futex resumed>) = 0 [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 419] <... futex resumed>) = 0 [pid 420] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] <... futex resumed>) = 0 [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] bpf(BPF_MAP_CREATE, NULL, 0 [pid 419] <... futex resumed>) = 0 [pid 420] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 419] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] <... futex resumed>) = 0 [pid 420] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 [pid 419] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 421 attached [pid 421] set_robust_list(0x7fcba5fbc9a0, 24 [pid 419] <... clone3 resumed> => {parent_tid=[56]}, 88) = 56 [pid 421] <... set_robust_list resumed>) = 0 [pid 419] rt_sigprocmask(SIG_SETMASK, [], [pid 421] rt_sigprocmask(SIG_SETMASK, [], [pid 419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 419] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = 0 [pid 419] <... futex resumed>) = 1 [pid 420] close(3 [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 422 attached [pid 420] <... close resumed>) = 0 [pid 421] <... clone resumed>) = 57 [pid 421] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 420] <... futex resumed>) = 1 [pid 419] <... futex resumed>) = 0 [pid 421] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 420] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 419] <... futex resumed>) = 0 [pid 420] gettid( [pid 419] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... gettid resumed>) = 55 [pid 420] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] <... futex resumed>) = 0 [pid 420] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] close(3) = -1 EBADF (Bad file descriptor) [pid 419] close(4) = -1 EBADF (Bad file descriptor) [pid 419] close(5) = -1 EBADF (Bad file descriptor) [pid 419] close(6) = -1 EBADF (Bad file descriptor) [pid 419] close(7) = -1 EBADF (Bad file descriptor) [pid 419] close(8) = -1 EBADF (Bad file descriptor) [pid 419] close(9) = -1 EBADF (Bad file descriptor) [pid 419] close(10) = -1 EBADF (Bad file descriptor) [pid 419] close(11) = -1 EBADF (Bad file descriptor) [pid 419] close(12) = -1 EBADF (Bad file descriptor) [pid 419] close(13) = -1 EBADF (Bad file descriptor) [pid 419] close(14) = -1 EBADF (Bad file descriptor) [pid 419] close(15) = -1 EBADF (Bad file descriptor) [pid 419] close(16) = -1 EBADF (Bad file descriptor) [pid 419] close(17) = -1 EBADF (Bad file descriptor) [pid 419] close(18) = -1 EBADF (Bad file descriptor) [pid 419] close(19) = -1 EBADF (Bad file descriptor) [pid 419] close(20) = -1 EBADF (Bad file descriptor) [pid 419] close(21) = -1 EBADF (Bad file descriptor) [pid 419] close(22) = -1 EBADF (Bad file descriptor) [pid 419] close(23) = -1 EBADF (Bad file descriptor) [pid 419] close(24) = -1 EBADF (Bad file descriptor) [pid 419] close(25) = -1 EBADF (Bad file descriptor) [pid 419] close(26) = -1 EBADF (Bad file descriptor) [pid 419] close(27) = -1 EBADF (Bad file descriptor) [pid 419] close(28) = -1 EBADF (Bad file descriptor) [pid 419] close(29) = -1 EBADF (Bad file descriptor) [pid 419] exit_group(0 [pid 420] <... futex resumed>) = ? [pid 421] <... futex resumed>) = ? [pid 419] <... exit_group resumed>) = ? [pid 421] +++ exited with 0 +++ [pid 420] +++ exited with 0 +++ [pid 419] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./13/cgroup.cpu") = 0 [pid 364] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./13/binderfs") = 0 [pid 364] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./13/cgroup") = 0 [pid 364] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./13/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./13") = 0 [pid 364] mkdir("./14", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 423 attached [pid 423] set_robust_list(0x55555564b6a0, 24 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 58 [pid 423] <... set_robust_list resumed>) = 0 [pid 423] chdir("./14") = 0 [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 423] setpgid(0, 0 [pid 414] exit(0 [pid 423] <... setpgid resumed>) = 0 [pid 414] <... exit resumed>) = ? [pid 414] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] restart_syscall(<... resuming interrupted clone ...> [pid 423] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 364] <... restart_syscall resumed>) = 0 [pid 423] <... symlink resumed>) = 0 [pid 423] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 423] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 423] write(3, "1000", 4) = 4 [pid 423] close(3) = 0 [pid 423] symlink("/dev/binderfs", "./binderfs") = 0 [pid 423] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 423] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 423] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 424 attached => {parent_tid=[59]}, 88) = 59 [pid 424] set_robust_list(0x7fcba5fdd9a0, 24 [pid 423] rt_sigprocmask(SIG_SETMASK, [], [pid 424] <... set_robust_list resumed>) = 0 [pid 423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 424] rt_sigprocmask(SIG_SETMASK, [], [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 423] <... futex resumed>) = 0 [pid 424] getpid( [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... getpid resumed>) = 58 [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 423] <... futex resumed>) = 0 [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 58, 0, -1, 0) = 3 [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 423] <... futex resumed>) = 0 [pid 424] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 423] <... futex resumed>) = 0 [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 424] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 423] <... futex resumed>) = 0 [pid 424] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... openat resumed>) = -1 EFAULT (Bad address) [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 423] <... futex resumed>) = 0 [pid 424] openat(-1, NULL, O_RDWR|O_PATH [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... openat resumed>) = -1 EFAULT (Bad address) [pid 423] <... futex resumed>) = 0 [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 423] <... futex resumed>) = 1 [pid 424] bpf(BPF_OBJ_GET, NULL, 0 [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 423] <... futex resumed>) = 0 [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] close(-1 [pid 423] <... futex resumed>) = 0 [pid 424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 0 [pid 423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 424] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 423] <... futex resumed>) = 0 [pid 424] bpf(BPF_MAP_CREATE, NULL, 0 [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 423] <... futex resumed>) = 0 [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 423] <... futex resumed>) = 0 [pid 424] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 424] <... futex resumed>) = 0 [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] bpf(BPF_MAP_CREATE, NULL, 0 [pid 423] <... futex resumed>) = 0 [pid 424] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 423] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... futex resumed>) = 0 [pid 424] <... futex resumed>) = 0 [pid 423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 424] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] <... mmap resumed>) = 0x7fcba5f9c000 [pid 423] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 425 attached [pid 425] set_robust_list(0x7fcba5fbc9a0, 24 [pid 423] <... clone3 resumed> => {parent_tid=[60]}, 88) = 60 [pid 425] <... set_robust_list resumed>) = 0 [pid 423] rt_sigprocmask(SIG_SETMASK, [], [pid 425] rt_sigprocmask(SIG_SETMASK, [], [pid 423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 423] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 423] <... futex resumed>) = 0 [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 423] <... futex resumed>) = 1 [pid 424] close(3 [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 426 attached [pid 424] <... close resumed>) = 0 [pid 425] <... clone resumed>) = 61 [pid 425] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 424] <... futex resumed>) = 1 [pid 423] <... futex resumed>) = 0 [pid 425] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 424] gettid( [pid 423] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... gettid resumed>) = 59 [pid 423] <... futex resumed>) = 0 [pid 424] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 0 [pid 423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 424] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] close(3) = -1 EBADF (Bad file descriptor) [pid 423] close(4) = -1 EBADF (Bad file descriptor) [pid 423] close(5) = -1 EBADF (Bad file descriptor) [pid 423] close(6) = -1 EBADF (Bad file descriptor) [pid 423] close(7) = -1 EBADF (Bad file descriptor) [pid 423] close(8) = -1 EBADF (Bad file descriptor) [pid 423] close(9) = -1 EBADF (Bad file descriptor) [pid 423] close(10) = -1 EBADF (Bad file descriptor) [pid 423] close(11) = -1 EBADF (Bad file descriptor) [pid 423] close(12) = -1 EBADF (Bad file descriptor) [pid 423] close(13) = -1 EBADF (Bad file descriptor) [pid 423] close(14) = -1 EBADF (Bad file descriptor) [pid 423] close(15) = -1 EBADF (Bad file descriptor) [pid 423] close(16) = -1 EBADF (Bad file descriptor) [pid 423] close(17) = -1 EBADF (Bad file descriptor) [pid 423] close(18) = -1 EBADF (Bad file descriptor) [pid 423] close(19) = -1 EBADF (Bad file descriptor) [pid 423] close(20) = -1 EBADF (Bad file descriptor) [pid 423] close(21) = -1 EBADF (Bad file descriptor) [pid 423] close(22) = -1 EBADF (Bad file descriptor) [pid 423] close(23) = -1 EBADF (Bad file descriptor) [pid 423] close(24) = -1 EBADF (Bad file descriptor) [pid 423] close(25) = -1 EBADF (Bad file descriptor) [pid 423] close(26) = -1 EBADF (Bad file descriptor) [pid 423] close(27) = -1 EBADF (Bad file descriptor) [pid 423] close(28) = -1 EBADF (Bad file descriptor) [pid 423] close(29) = -1 EBADF (Bad file descriptor) [pid 423] exit_group(0 [pid 425] <... futex resumed>) = ? [pid 424] <... futex resumed>) = ? [pid 423] <... exit_group resumed>) = ? [pid 425] +++ exited with 0 +++ [pid 424] +++ exited with 0 +++ [pid 423] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 364] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./14/cgroup.cpu") = 0 [pid 364] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./14/binderfs") = 0 [pid 364] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./14/cgroup") = 0 [pid 364] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./14/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./14") = 0 [pid 364] mkdir("./15", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 427 attached , child_tidptr=0x55555564b690) = 62 [pid 427] set_robust_list(0x55555564b6a0, 24) = 0 [pid 427] chdir("./15") = 0 [pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 427] setpgid(0, 0) = 0 [pid 427] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 427] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 427] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 427] write(3, "1000", 4) = 4 [pid 427] close(3) = 0 [pid 427] symlink("/dev/binderfs", "./binderfs" [pid 418] exit(0) = ? [pid 427] <... symlink resumed>) = 0 [pid 418] +++ exited with 0 +++ [pid 427] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 427] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 427] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 427] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0} => {parent_tid=[63]}, 88) = 63 [pid 427] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 428 attached NULL, 8) = 0 [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] set_robust_list(0x7fcba5fdd9a0, 24 [pid 427] <... futex resumed>) = 0 [pid 428] <... set_robust_list resumed>) = 0 [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] getpid() = 62 [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 62, 0, -1, 0) = 3 [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 428] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 428] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... openat resumed>) = -1 EFAULT (Bad address) [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 428] openat(-1, NULL, O_RDWR|O_PATH [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... openat resumed>) = -1 EFAULT (Bad address) [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 428] bpf(BPF_OBJ_GET, NULL, 0 [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 428] close(-1 [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 428] bpf(BPF_MAP_CREATE, NULL, 0 [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 428] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 428] bpf(BPF_MAP_CREATE, NULL, 0 [pid 427] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 428] <... futex resumed>) = 0 [pid 427] <... mmap resumed>) = 0x7fcba5f9c000 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 427] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 429 attached => {parent_tid=[64]}, 88) = 64 [pid 427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 427] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = 0 [pid 427] <... futex resumed>) = 1 [pid 428] close(3 [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... close resumed>) = 0 [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 428] gettid( [pid 427] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... gettid resumed>) = 63 [pid 428] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] <... futex resumed>) = 0 [pid 428] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 429] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 429] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 430 attached ) = 65 [pid 429] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] close(3) = -1 EBADF (Bad file descriptor) [pid 427] close(4) = -1 EBADF (Bad file descriptor) [pid 427] close(5) = -1 EBADF (Bad file descriptor) [pid 427] close(6) = -1 EBADF (Bad file descriptor) [pid 427] close(7) = -1 EBADF (Bad file descriptor) [pid 427] close(8) = -1 EBADF (Bad file descriptor) [pid 427] close(9) = -1 EBADF (Bad file descriptor) [pid 427] close(10) = -1 EBADF (Bad file descriptor) [pid 427] close(11) = -1 EBADF (Bad file descriptor) [pid 427] close(12) = -1 EBADF (Bad file descriptor) [pid 427] close(13) = -1 EBADF (Bad file descriptor) [pid 427] close(14) = -1 EBADF (Bad file descriptor) [pid 427] close(15) = -1 EBADF (Bad file descriptor) [pid 427] close(16) = -1 EBADF (Bad file descriptor) [pid 427] close(17) = -1 EBADF (Bad file descriptor) [pid 427] close(18) = -1 EBADF (Bad file descriptor) [pid 427] close(19) = -1 EBADF (Bad file descriptor) [pid 427] close(20) = -1 EBADF (Bad file descriptor) [pid 427] close(21) = -1 EBADF (Bad file descriptor) [pid 427] close(22) = -1 EBADF (Bad file descriptor) [pid 427] close(23) = -1 EBADF (Bad file descriptor) [pid 427] close(24) = -1 EBADF (Bad file descriptor) [pid 427] close(25) = -1 EBADF (Bad file descriptor) [pid 427] close(26) = -1 EBADF (Bad file descriptor) [pid 427] close(27) = -1 EBADF (Bad file descriptor) [pid 427] close(28) = -1 EBADF (Bad file descriptor) [pid 427] close(29) = -1 EBADF (Bad file descriptor) [pid 427] exit_group(0 [pid 428] <... futex resumed>) = ? [pid 429] <... futex resumed>) = 231 [pid 427] <... exit_group resumed>) = ? [pid 428] +++ exited with 0 +++ [pid 429] +++ exited with 0 +++ [pid 422] exit(0) = ? [pid 427] +++ exited with 0 +++ [pid 422] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./15/cgroup.cpu") = 0 [pid 364] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./15/binderfs") = 0 [pid 364] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./15/cgroup") = 0 [pid 364] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./15/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./15") = 0 [pid 364] mkdir("./16", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 431 attached [pid 431] set_robust_list(0x55555564b6a0, 24) = 0 [pid 431] chdir("./16") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 66 [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 431] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 431] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] symlink("/dev/binderfs", "./binderfs") = 0 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 431] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 432 attached [pid 432] set_robust_list(0x7fcba5fdd9a0, 24 [pid 431] <... clone3 resumed> => {parent_tid=[67]}, 88) = 67 [pid 432] <... set_robust_list resumed>) = 0 [pid 431] rt_sigprocmask(SIG_SETMASK, [], [pid 432] rt_sigprocmask(SIG_SETMASK, [], [pid 431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] getpid( [pid 431] <... futex resumed>) = 0 [pid 432] <... getpid resumed>) = 66 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 432] perf_event_open( [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 66, 0, -1, 0) = 3 [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 0 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 432] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 0 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 432] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... openat resumed>) = -1 EFAULT (Bad address) [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 0 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 432] openat(-1, NULL, O_RDWR|O_PATH [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... openat resumed>) = -1 EFAULT (Bad address) [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 0 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 432] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] <... futex resumed>) = 0 [pid 432] bpf(BPF_OBJ_GET, NULL, 0 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] <... futex resumed>) = 0 [pid 432] close(-1 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] <... futex resumed>) = 0 [pid 432] bpf(BPF_MAP_CREATE, NULL, 0 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] <... futex resumed>) = 0 [pid 432] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] <... futex resumed>) = 0 [pid 432] bpf(BPF_MAP_CREATE, NULL, 0 [pid 431] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 432] <... futex resumed>) = 0 [pid 431] <... mmap resumed>) = 0x7fcba5f9c000 [pid 432] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 433 attached [pid 433] set_robust_list(0x7fcba5fbc9a0, 24 [pid 431] <... clone3 resumed> => {parent_tid=[68]}, 88) = 68 [pid 433] <... set_robust_list resumed>) = 0 [pid 431] rt_sigprocmask(SIG_SETMASK, [], [pid 433] rt_sigprocmask(SIG_SETMASK, [], [pid 431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 431] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = 0 [pid 431] <... futex resumed>) = 1 [pid 432] close(3 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 434 attached [pid 432] <... close resumed>) = 0 [pid 433] <... clone resumed>) = 69 [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 433] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] <... futex resumed>) = 0 [pid 433] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 432] gettid() = 67 [pid 431] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 432] <... futex resumed>) = 0 [pid 431] close(3 [pid 432] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 431] close(4) = -1 EBADF (Bad file descriptor) [pid 431] close(5) = -1 EBADF (Bad file descriptor) [pid 431] close(6) = -1 EBADF (Bad file descriptor) [pid 431] close(7) = -1 EBADF (Bad file descriptor) [pid 431] close(8) = -1 EBADF (Bad file descriptor) [pid 431] close(9) = -1 EBADF (Bad file descriptor) [pid 431] close(10) = -1 EBADF (Bad file descriptor) [pid 431] close(11) = -1 EBADF (Bad file descriptor) [pid 431] close(12) = -1 EBADF (Bad file descriptor) [pid 431] close(13) = -1 EBADF (Bad file descriptor) [pid 431] close(14) = -1 EBADF (Bad file descriptor) [pid 426] exit(0 [pid 431] close(15 [pid 426] <... exit resumed>) = ? [pid 426] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 431] close(16) = -1 EBADF (Bad file descriptor) [pid 431] close(17) = -1 EBADF (Bad file descriptor) [pid 431] close(18) = -1 EBADF (Bad file descriptor) [pid 431] close(19) = -1 EBADF (Bad file descriptor) [pid 431] close(20) = -1 EBADF (Bad file descriptor) [pid 431] close(21) = -1 EBADF (Bad file descriptor) [pid 431] close(22) = -1 EBADF (Bad file descriptor) [pid 431] close(23) = -1 EBADF (Bad file descriptor) [pid 431] close(24) = -1 EBADF (Bad file descriptor) [pid 431] close(25) = -1 EBADF (Bad file descriptor) [pid 431] close(26) = -1 EBADF (Bad file descriptor) [pid 431] close(27) = -1 EBADF (Bad file descriptor) [pid 431] close(28) = -1 EBADF (Bad file descriptor) [pid 431] close(29) = -1 EBADF (Bad file descriptor) [pid 431] exit_group(0) = ? [pid 433] <... futex resumed>) = ? [pid 432] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 433] +++ exited with 0 +++ [pid 432] +++ exited with 0 +++ [pid 431] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./16/cgroup.cpu") = 0 [pid 364] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./16/binderfs") = 0 [pid 364] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./16/cgroup") = 0 [pid 364] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./16/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./16") = 0 [pid 364] mkdir("./17", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 436 attached [pid 436] set_robust_list(0x55555564b6a0, 24) = 0 [pid 436] chdir("./17") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 70 [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 436] setpgid(0, 0) = 0 [pid 436] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 436] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 436] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 436] write(3, "1000", 4) = 4 [pid 436] close(3) = 0 [pid 436] symlink("/dev/binderfs", "./binderfs") = 0 [pid 436] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 436] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 436] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 437 attached [pid 437] set_robust_list(0x7fcba5fdd9a0, 24 [pid 436] <... clone3 resumed> => {parent_tid=[71]}, 88) = 71 [pid 437] <... set_robust_list resumed>) = 0 [pid 436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] rt_sigprocmask(SIG_SETMASK, [], [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 437] getpid() = 70 [pid 436] <... futex resumed>) = 0 [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 436] <... futex resumed>) = 1 [pid 437] perf_event_open( [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 70, 0, -1, 0) = 3 [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 436] <... futex resumed>) = 0 [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 436] <... futex resumed>) = 1 [pid 437] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 436] <... futex resumed>) = 0 [pid 437] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC) = -1 EFAULT (Bad address) [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 436] <... futex resumed>) = 1 [pid 437] openat(-1, NULL, O_RDWR|O_PATH [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... openat resumed>) = -1 EFAULT (Bad address) [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 436] <... futex resumed>) = 0 [pid 437] bpf(BPF_OBJ_GET, NULL, 0 [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 436] <... futex resumed>) = 0 [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... futex resumed>) = 0 [pid 436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 436] <... futex resumed>) = 0 [pid 437] close(-1 [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 436] <... futex resumed>) = 0 [pid 437] bpf(BPF_MAP_CREATE, NULL, 0 [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 436] <... futex resumed>) = 0 [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... futex resumed>) = 0 [pid 436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 436] <... futex resumed>) = 0 [pid 437] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 436] <... futex resumed>) = 0 [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 436] <... futex resumed>) = 0 [pid 437] bpf(BPF_MAP_CREATE, NULL, 0 [pid 436] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 436] <... futex resumed>) = 0 [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 437] <... futex resumed>) = 0 [pid 436] <... mmap resumed>) = 0x7fcba5f9c000 [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 438 attached [pid 438] set_robust_list(0x7fcba5fbc9a0, 24 [pid 436] <... clone3 resumed> => {parent_tid=[72]}, 88) = 72 [pid 438] <... set_robust_list resumed>) = 0 [pid 438] rt_sigprocmask(SIG_SETMASK, [], [pid 436] rt_sigprocmask(SIG_SETMASK, [], [pid 438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 438] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 436] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 438] <... futex resumed>) = 0 [pid 436] <... futex resumed>) = 1 [pid 438] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 436] <... futex resumed>) = 1 [pid 437] close(3 [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... close resumed>) = 0 ./strace-static-x86_64: Process 439 attached [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 438] <... clone resumed>) = 73 [pid 437] <... futex resumed>) = 1 [pid 436] <... futex resumed>) = 0 [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 438] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 436] <... futex resumed>) = 0 [pid 438] <... futex resumed>) = 0 [pid 437] gettid( [pid 436] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... gettid resumed>) = 71 [pid 438] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 436] <... futex resumed>) = 0 [pid 437] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] close(3) = -1 EBADF (Bad file descriptor) [pid 436] close(4) = -1 EBADF (Bad file descriptor) [pid 436] close(5) = -1 EBADF (Bad file descriptor) [pid 436] close(6) = -1 EBADF (Bad file descriptor) [pid 436] close(7) = -1 EBADF (Bad file descriptor) [pid 436] close(8) = -1 EBADF (Bad file descriptor) [pid 436] close(9) = -1 EBADF (Bad file descriptor) [pid 436] close(10) = -1 EBADF (Bad file descriptor) [pid 436] close(11) = -1 EBADF (Bad file descriptor) [pid 436] close(12) = -1 EBADF (Bad file descriptor) [pid 436] close(13) = -1 EBADF (Bad file descriptor) [pid 436] close(14) = -1 EBADF (Bad file descriptor) [pid 436] close(15) = -1 EBADF (Bad file descriptor) [pid 436] close(16) = -1 EBADF (Bad file descriptor) [pid 436] close(17) = -1 EBADF (Bad file descriptor) [pid 436] close(18) = -1 EBADF (Bad file descriptor) [pid 436] close(19) = -1 EBADF (Bad file descriptor) [pid 436] close(20) = -1 EBADF (Bad file descriptor) [pid 436] close(21) = -1 EBADF (Bad file descriptor) [pid 436] close(22) = -1 EBADF (Bad file descriptor) [pid 436] close(23) = -1 EBADF (Bad file descriptor) [pid 436] close(24) = -1 EBADF (Bad file descriptor) [pid 436] close(25) = -1 EBADF (Bad file descriptor) [pid 436] close(26) = -1 EBADF (Bad file descriptor) [pid 436] close(27) = -1 EBADF (Bad file descriptor) [pid 436] close(28) = -1 EBADF (Bad file descriptor) [pid 436] close(29) = -1 EBADF (Bad file descriptor) [pid 436] exit_group(0 [pid 438] <... futex resumed>) = ? [pid 437] <... futex resumed>) = ? [pid 436] <... exit_group resumed>) = ? [pid 438] +++ exited with 0 +++ [pid 437] +++ exited with 0 +++ [pid 436] +++ exited with 0 +++ [pid 430] exit(0) = ? [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 430] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./17/cgroup.cpu") = 0 [pid 364] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./17/binderfs") = 0 [pid 364] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./17/cgroup") = 0 [pid 364] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./17/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./17") = 0 [pid 364] mkdir("./18", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 440 attached [pid 440] set_robust_list(0x55555564b6a0, 24) = 0 [pid 440] chdir("./18") = 0 [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 74 [pid 440] <... symlink resumed>) = 0 [pid 440] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 440] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 440] symlink("/dev/binderfs", "./binderfs") = 0 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 440] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 441 attached [pid 441] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 441] rt_sigprocmask(SIG_SETMASK, [], [pid 440] <... clone3 resumed> => {parent_tid=[75]}, 88) = 75 [pid 441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = 0 [pid 440] <... futex resumed>) = 1 [pid 441] getpid( [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] <... getpid resumed>) = 74 [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 74, 0, -1, 0) = 3 [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] <... futex resumed>) = 0 [pid 441] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC) = -1 EFAULT (Bad address) [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] <... futex resumed>) = 0 [pid 441] openat(-1, NULL, O_RDWR|O_PATH [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] <... openat resumed>) = -1 EFAULT (Bad address) [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] <... futex resumed>) = 0 [pid 441] bpf(BPF_OBJ_GET, NULL, 0 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] <... futex resumed>) = 0 [pid 441] close(-1 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] <... futex resumed>) = 0 [pid 441] bpf(BPF_MAP_CREATE, NULL, 0 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] <... futex resumed>) = 0 [pid 441] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] <... futex resumed>) = 0 [pid 441] bpf(BPF_MAP_CREATE, NULL, 0 [pid 440] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 441] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... mmap resumed>) = 0x7fcba5f9c000 [pid 441] <... futex resumed>) = 0 [pid 440] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] <... mprotect resumed>) = 0 [pid 440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 442 attached [pid 442] set_robust_list(0x7fcba5fbc9a0, 24 [pid 440] <... clone3 resumed> => {parent_tid=[76]}, 88) = 76 [pid 442] <... set_robust_list resumed>) = 0 [pid 440] rt_sigprocmask(SIG_SETMASK, [], [pid 442] rt_sigprocmask(SIG_SETMASK, [], [pid 440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 440] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 443 attached [pid 441] <... futex resumed>) = 0 [pid 442] <... clone resumed>) = 77 [pid 441] close(3 [pid 442] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... close resumed>) = 0 [pid 442] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 441] <... futex resumed>) = 1 [pid 440] <... futex resumed>) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... futex resumed>) = 0 [pid 440] <... futex resumed>) = 1 [pid 441] gettid() = 75 [pid 440] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 441] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] close(3) = -1 EBADF (Bad file descriptor) [pid 440] close(4) = -1 EBADF (Bad file descriptor) [pid 440] close(5) = -1 EBADF (Bad file descriptor) [pid 440] close(6) = -1 EBADF (Bad file descriptor) [pid 440] close(7) = -1 EBADF (Bad file descriptor) [pid 440] close(8) = -1 EBADF (Bad file descriptor) [pid 440] close(9) = -1 EBADF (Bad file descriptor) [pid 440] close(10) = -1 EBADF (Bad file descriptor) [pid 440] close(11) = -1 EBADF (Bad file descriptor) [pid 440] close(12) = -1 EBADF (Bad file descriptor) [pid 440] close(13) = -1 EBADF (Bad file descriptor) [pid 440] close(14) = -1 EBADF (Bad file descriptor) [pid 440] close(15) = -1 EBADF (Bad file descriptor) [pid 440] close(16) = -1 EBADF (Bad file descriptor) [pid 440] close(17) = -1 EBADF (Bad file descriptor) [pid 440] close(18) = -1 EBADF (Bad file descriptor) [pid 440] close(19) = -1 EBADF (Bad file descriptor) [pid 440] close(20) = -1 EBADF (Bad file descriptor) [pid 440] close(21) = -1 EBADF (Bad file descriptor) [pid 440] close(22) = -1 EBADF (Bad file descriptor) [pid 440] close(23) = -1 EBADF (Bad file descriptor) [pid 440] close(24) = -1 EBADF (Bad file descriptor) [pid 440] close(25) = -1 EBADF (Bad file descriptor) [pid 440] close(26) = -1 EBADF (Bad file descriptor) [pid 440] close(27) = -1 EBADF (Bad file descriptor) [pid 440] close(28) = -1 EBADF (Bad file descriptor) [pid 440] close(29) = -1 EBADF (Bad file descriptor) [pid 440] exit_group(0) = ? [pid 441] <... futex resumed>) = 231 [pid 442] <... futex resumed>) = ? [pid 441] +++ exited with 0 +++ [pid 442] +++ exited with 0 +++ [pid 440] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 364] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 434] exit(0 [pid 364] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 434] <... exit resumed>) = ? [pid 364] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 434] +++ exited with 0 +++ [pid 364] unlink("./18/cgroup.cpu") = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./18/binderfs") = 0 [pid 364] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./18/cgroup") = 0 [pid 364] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./18/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./18") = 0 [pid 364] mkdir("./19", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 444 attached [pid 444] set_robust_list(0x55555564b6a0, 24) = 0 [pid 444] chdir("./19") = 0 [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 444] setpgid(0, 0) = 0 [pid 444] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 78 [pid 444] <... symlink resumed>) = 0 [pid 444] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 444] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 444] write(3, "1000", 4) = 4 [pid 444] close(3) = 0 [pid 444] symlink("/dev/binderfs", "./binderfs") = 0 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 444] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 444] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 445 attached [pid 445] set_robust_list(0x7fcba5fdd9a0, 24 [pid 444] <... clone3 resumed> => {parent_tid=[79]}, 88) = 79 [pid 445] <... set_robust_list resumed>) = 0 [pid 444] rt_sigprocmask(SIG_SETMASK, [], [pid 445] rt_sigprocmask(SIG_SETMASK, [], [pid 444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] getpid( [pid 444] <... futex resumed>) = 0 [pid 445] <... getpid resumed>) = 78 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 444] <... futex resumed>) = 0 [pid 445] perf_event_open( [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 78, 0, -1, 0) = 3 [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... openat resumed>) = -1 EFAULT (Bad address) [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] openat(-1, NULL, O_RDWR|O_PATH [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... openat resumed>) = -1 EFAULT (Bad address) [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] bpf(BPF_OBJ_GET, NULL, 0 [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] close(-1 [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] bpf(BPF_MAP_CREATE, NULL, 0 [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] bpf(BPF_MAP_CREATE, NULL, 0 [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 [pid 444] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 444] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 446 attached [pid 446] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 444] <... clone3 resumed> => {parent_tid=[80]}, 88) = 80 [pid 446] rt_sigprocmask(SIG_SETMASK, [], [pid 444] rt_sigprocmask(SIG_SETMASK, [], [pid 446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 446] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 444] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 446] <... futex resumed>) = 0 [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = 1 [pid 445] close(3 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 447 attached [pid 445] <... close resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 444] <... futex resumed>) = 0 [pid 446] <... clone resumed>) = 81 [pid 446] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] gettid( [pid 444] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 445] <... gettid resumed>) = 79 [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] close(3 [pid 446] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 444] close(4) = -1 EBADF (Bad file descriptor) [pid 444] close(5) = -1 EBADF (Bad file descriptor) [pid 444] close(6) = -1 EBADF (Bad file descriptor) [pid 444] close(7) = -1 EBADF (Bad file descriptor) [pid 444] close(8) = -1 EBADF (Bad file descriptor) [pid 444] close(9) = -1 EBADF (Bad file descriptor) [pid 444] close(10) = -1 EBADF (Bad file descriptor) [pid 444] close(11) = -1 EBADF (Bad file descriptor) [pid 444] close(12) = -1 EBADF (Bad file descriptor) [pid 444] close(13) = -1 EBADF (Bad file descriptor) [pid 444] close(14) = -1 EBADF (Bad file descriptor) [pid 444] close(15) = -1 EBADF (Bad file descriptor) [pid 444] close(16) = -1 EBADF (Bad file descriptor) [pid 444] close(17) = -1 EBADF (Bad file descriptor) [pid 444] close(18) = -1 EBADF (Bad file descriptor) [pid 444] close(19) = -1 EBADF (Bad file descriptor) [pid 444] close(20) = -1 EBADF (Bad file descriptor) [pid 444] close(21) = -1 EBADF (Bad file descriptor) [pid 444] close(22) = -1 EBADF (Bad file descriptor) [pid 444] close(23) = -1 EBADF (Bad file descriptor) [pid 444] close(24) = -1 EBADF (Bad file descriptor) [pid 444] close(25) = -1 EBADF (Bad file descriptor) [pid 444] close(26) = -1 EBADF (Bad file descriptor) [pid 444] close(27) = -1 EBADF (Bad file descriptor) [pid 444] close(28) = -1 EBADF (Bad file descriptor) [pid 444] close(29) = -1 EBADF (Bad file descriptor) [pid 444] exit_group(0 [pid 445] <... futex resumed>) = ? [pid 444] <... exit_group resumed>) = ? [pid 446] <... futex resumed>) = ? [pid 446] +++ exited with 0 +++ [pid 445] +++ exited with 0 +++ [pid 444] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./19/cgroup.cpu") = 0 [pid 364] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./19/binderfs") = 0 [pid 364] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./19/cgroup") = 0 [pid 364] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./19/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./19") = 0 [pid 364] mkdir("./20", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 448 attached [pid 448] set_robust_list(0x55555564b6a0, 24) = 0 [pid 448] chdir("./20") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 82 [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 448] setpgid(0, 0 [pid 439] exit(0 [pid 448] <... setpgid resumed>) = 0 [pid 439] <... exit resumed>) = ? [pid 448] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 439] +++ exited with 0 +++ [pid 448] <... symlink resumed>) = 0 [pid 448] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 448] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 364] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 448] <... symlink resumed>) = 0 [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 448] write(3, "1000", 4) = 4 [pid 448] close(3) = 0 [pid 448] symlink("/dev/binderfs", "./binderfs") = 0 [pid 448] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 448] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 449 attached => {parent_tid=[83]}, 88) = 83 [pid 449] set_robust_list(0x7fcba5fdd9a0, 24 [pid 448] rt_sigprocmask(SIG_SETMASK, [], [pid 449] <... set_robust_list resumed>) = 0 [pid 448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 449] rt_sigprocmask(SIG_SETMASK, [], [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 448] <... futex resumed>) = 0 [pid 449] getpid( [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... getpid resumed>) = 82 [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 82, 0, -1, 0) = 3 [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 449] <... futex resumed>) = 1 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 448] <... futex resumed>) = 0 [pid 449] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 449] <... futex resumed>) = 0 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 448] <... futex resumed>) = 0 [pid 449] <... openat resumed>) = -1 EFAULT (Bad address) [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 449] <... futex resumed>) = 0 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] openat(-1, NULL, O_RDWR|O_PATH [pid 448] <... futex resumed>) = 0 [pid 449] <... openat resumed>) = -1 EFAULT (Bad address) [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 449] <... futex resumed>) = 0 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] bpf(BPF_OBJ_GET, NULL, 0 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] close(-1 [pid 448] <... futex resumed>) = 0 [pid 449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 449] <... futex resumed>) = 0 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] bpf(BPF_MAP_CREATE, NULL, 0 [pid 448] <... futex resumed>) = 0 [pid 449] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 449] <... futex resumed>) = 0 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 448] <... futex resumed>) = 0 [pid 449] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 449] <... futex resumed>) = 0 [pid 449] bpf(BPF_MAP_CREATE, NULL, 0 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 448] <... futex resumed>) = 0 [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 448] <... futex resumed>) = 0 [pid 449] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 448] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 450 attached ) = 0x7fcba5f9c000 [pid 449] <... clone resumed>) = 84 [pid 448] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] <... mprotect resumed>) = 0 [pid 449] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 451 attached [pid 451] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 451] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] <... clone3 resumed> => {parent_tid=[85]}, 88) = 85 [pid 448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 448] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] <... futex resumed>) = 0 [pid 448] <... futex resumed>) = 1 [pid 451] close(3) = 0 [pid 451] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 451] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] futex(0x7fcba60a83fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 448] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 449] <... futex resumed>) = 0 [pid 448] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] gettid() = 83 [pid 449] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 448] <... futex resumed>) = 0 [pid 449] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] close(3) = -1 EBADF (Bad file descriptor) [pid 448] close(4) = -1 EBADF (Bad file descriptor) [pid 448] close(5) = -1 EBADF (Bad file descriptor) [pid 448] close(6) = -1 EBADF (Bad file descriptor) [pid 448] close(7) = -1 EBADF (Bad file descriptor) [pid 448] close(8) = -1 EBADF (Bad file descriptor) [pid 448] close(9) = -1 EBADF (Bad file descriptor) [pid 448] close(10) = -1 EBADF (Bad file descriptor) [pid 448] close(11) = -1 EBADF (Bad file descriptor) [pid 448] close(12) = -1 EBADF (Bad file descriptor) [pid 448] close(13) = -1 EBADF (Bad file descriptor) [pid 448] close(14) = -1 EBADF (Bad file descriptor) [pid 448] close(15) = -1 EBADF (Bad file descriptor) [pid 448] close(16) = -1 EBADF (Bad file descriptor) [pid 448] close(17) = -1 EBADF (Bad file descriptor) [pid 448] close(18) = -1 EBADF (Bad file descriptor) [pid 448] close(19) = -1 EBADF (Bad file descriptor) [pid 448] close(20) = -1 EBADF (Bad file descriptor) [pid 448] close(21) = -1 EBADF (Bad file descriptor) [pid 448] close(22) = -1 EBADF (Bad file descriptor) [pid 448] close(23) = -1 EBADF (Bad file descriptor) [pid 448] close(24) = -1 EBADF (Bad file descriptor) [pid 448] close(25) = -1 EBADF (Bad file descriptor) [pid 448] close(26) = -1 EBADF (Bad file descriptor) [pid 448] close(27) = -1 EBADF (Bad file descriptor) [pid 448] close(28) = -1 EBADF (Bad file descriptor) [pid 448] close(29) = -1 EBADF (Bad file descriptor) [pid 448] exit_group(0 [pid 449] <... futex resumed>) = ? [pid 448] <... exit_group resumed>) = ? [pid 451] <... futex resumed>) = ? [pid 449] +++ exited with 0 +++ [pid 451] +++ exited with 0 +++ [pid 448] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 364] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 364] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./20/cgroup.cpu") = 0 [pid 364] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./20/binderfs") = 0 [pid 364] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./20/cgroup") = 0 [pid 364] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./20/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./20") = 0 [pid 364] mkdir("./21", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 452 attached [pid 452] set_robust_list(0x55555564b6a0, 24) = 0 [pid 452] chdir("./21") = 0 [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 86 [pid 452] <... prctl resumed>) = 0 [pid 452] setpgid(0, 0) = 0 [pid 452] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 452] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 452] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 452] write(3, "1000", 4 [pid 443] exit(0 [pid 452] <... write resumed>) = 4 [pid 443] <... exit resumed>) = ? [pid 452] close(3) = 0 [pid 452] symlink("/dev/binderfs", "./binderfs") = 0 [pid 452] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 452] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 443] +++ exited with 0 +++ [pid 452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0} [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 453 attached [pid 452] <... clone3 resumed> => {parent_tid=[87]}, 88) = 87 [pid 452] rt_sigprocmask(SIG_SETMASK, [], [pid 453] set_robust_list(0x7fcba5fdd9a0, 24 [pid 452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] <... set_robust_list resumed>) = 0 [pid 453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 453] getpid() = 86 [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 86, 0, -1, 0) = 3 [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... futex resumed>) = 0 [pid 452] <... futex resumed>) = 1 [pid 453] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] <... openat resumed>) = -1 EFAULT (Bad address) [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] openat(-1, NULL, O_RDWR|O_PATH) = -1 EFAULT (Bad address) [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 453] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] <... futex resumed>) = 0 [pid 453] bpf(BPF_OBJ_GET, NULL, 0 [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... futex resumed>) = 0 [pid 452] <... futex resumed>) = 1 [pid 453] close(-1) = -1 EBADF (Bad file descriptor) [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... futex resumed>) = 0 [pid 452] <... futex resumed>) = 1 [pid 453] bpf(BPF_MAP_CREATE, NULL, 0 [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 453] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... futex resumed>) = 0 [pid 452] <... futex resumed>) = 1 [pid 453] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 453] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... futex resumed>) = 0 [pid 452] <... futex resumed>) = 1 [pid 453] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument) [pid 452] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 452] <... futex resumed>) = 0 [pid 453] <... futex resumed>) = 0 [pid 453] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 [pid 452] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x7fcba5fbc9a0, 24 [pid 452] <... clone3 resumed> => {parent_tid=[88]}, 88) = 88 [pid 454] <... set_robust_list resumed>) = 0 [pid 454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 454] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 452] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 454] <... futex resumed>) = 0 [pid 452] <... futex resumed>) = 1 [pid 454] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 455 attached [pid 453] <... futex resumed>) = 0 [pid 452] <... futex resumed>) = 1 [pid 454] <... clone resumed>) = 89 [pid 453] close(3 [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... close resumed>) = 0 [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 454] <... futex resumed>) = 0 [pid 453] <... futex resumed>) = 1 [pid 452] <... futex resumed>) = 0 [pid 453] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 454] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... futex resumed>) = 0 [pid 452] <... futex resumed>) = 1 [pid 453] gettid() = 87 [pid 452] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 453] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] close(3) = -1 EBADF (Bad file descriptor) [pid 452] close(4) = -1 EBADF (Bad file descriptor) [pid 452] close(5) = -1 EBADF (Bad file descriptor) [pid 452] close(6) = -1 EBADF (Bad file descriptor) [pid 452] close(7) = -1 EBADF (Bad file descriptor) [pid 452] close(8) = -1 EBADF (Bad file descriptor) [pid 452] close(9) = -1 EBADF (Bad file descriptor) [pid 452] close(10) = -1 EBADF (Bad file descriptor) [pid 452] close(11) = -1 EBADF (Bad file descriptor) [pid 452] close(12) = -1 EBADF (Bad file descriptor) [pid 452] close(13) = -1 EBADF (Bad file descriptor) [pid 452] close(14) = -1 EBADF (Bad file descriptor) [pid 452] close(15) = -1 EBADF (Bad file descriptor) [pid 452] close(16) = -1 EBADF (Bad file descriptor) [pid 452] close(17) = -1 EBADF (Bad file descriptor) [pid 452] close(18) = -1 EBADF (Bad file descriptor) [pid 452] close(19) = -1 EBADF (Bad file descriptor) [pid 452] close(20) = -1 EBADF (Bad file descriptor) [pid 452] close(21) = -1 EBADF (Bad file descriptor) [pid 452] close(22) = -1 EBADF (Bad file descriptor) [pid 452] close(23) = -1 EBADF (Bad file descriptor) [pid 452] close(24) = -1 EBADF (Bad file descriptor) [pid 452] close(25) = -1 EBADF (Bad file descriptor) [pid 452] close(26) = -1 EBADF (Bad file descriptor) [pid 452] close(27) = -1 EBADF (Bad file descriptor) [pid 452] close(28) = -1 EBADF (Bad file descriptor) [pid 452] close(29) = -1 EBADF (Bad file descriptor) [pid 452] exit_group(0 [pid 454] <... futex resumed>) = ? [pid 453] <... futex resumed>) = ? [pid 452] <... exit_group resumed>) = ? [pid 454] +++ exited with 0 +++ [pid 453] +++ exited with 0 +++ [pid 452] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./21/cgroup.cpu") = 0 [pid 364] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./21/binderfs") = 0 [pid 364] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./21/cgroup") = 0 [pid 364] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./21/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./21") = 0 [pid 364] mkdir("./22", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 456 attached [pid 456] set_robust_list(0x55555564b6a0, 24) = 0 [pid 456] chdir("./22") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 90 [pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 456] setpgid(0, 0) = 0 [pid 456] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 456] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 456] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 456] write(3, "1000", 4) = 4 [pid 456] close(3) = 0 [pid 456] symlink("/dev/binderfs", "./binderfs") = 0 [pid 456] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 456] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 456] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 456] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0} => {parent_tid=[91]}, 88) = 91 [pid 456] rt_sigprocmask(SIG_SETMASK, [], [pid 447] exit(0 [pid 456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 447] <... exit resumed>) = ? ./strace-static-x86_64: Process 457 attached [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 447] +++ exited with 0 +++ [pid 456] <... futex resumed>) = 0 [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 457] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 457] getpid() = 90 [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 90, 0, -1, 0) = 3 [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = 0 [pid 457] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = 0 [pid 457] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... openat resumed>) = -1 EFAULT (Bad address) [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = 0 [pid 457] openat(-1, NULL, O_RDWR|O_PATH [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... openat resumed>) = -1 EFAULT (Bad address) [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = 0 [pid 457] bpf(BPF_OBJ_GET, NULL, 0 [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = 0 [pid 457] close(-1 [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = 0 [pid 457] bpf(BPF_MAP_CREATE, NULL, 0 [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = 0 [pid 457] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = 0 [pid 457] bpf(BPF_MAP_CREATE, NULL, 0 [pid 456] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 457] <... futex resumed>) = 0 [pid 456] <... mmap resumed>) = 0x7fcba5f9c000 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 456] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 458 attached => {parent_tid=[92]}, 88) = 92 [pid 456] rt_sigprocmask(SIG_SETMASK, [], [pid 458] set_robust_list(0x7fcba5fbc9a0, 24 [pid 456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 458] <... set_robust_list resumed>) = 0 [pid 456] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] rt_sigprocmask(SIG_SETMASK, [], [pid 456] <... futex resumed>) = 0 [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 457] <... futex resumed>) = 0 [pid 456] <... futex resumed>) = 1 [pid 458] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 457] close(3 [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... close resumed>) = 0 [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = 0 [pid 457] gettid( [pid 456] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 459 attached [pid 457] <... gettid resumed>) = 91 [pid 457] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 457] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 458] <... clone resumed>) = 93 [pid 458] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] close(3) = -1 EBADF (Bad file descriptor) [pid 456] close(4) = -1 EBADF (Bad file descriptor) [pid 456] close(5) = -1 EBADF (Bad file descriptor) [pid 456] close(6) = -1 EBADF (Bad file descriptor) [pid 456] close(7) = -1 EBADF (Bad file descriptor) [pid 456] close(8) = -1 EBADF (Bad file descriptor) [pid 456] close(9) = -1 EBADF (Bad file descriptor) [pid 456] close(10) = -1 EBADF (Bad file descriptor) [pid 456] close(11) = -1 EBADF (Bad file descriptor) [pid 456] close(12) = -1 EBADF (Bad file descriptor) [pid 456] close(13) = -1 EBADF (Bad file descriptor) [pid 456] close(14) = -1 EBADF (Bad file descriptor) [pid 456] close(15) = -1 EBADF (Bad file descriptor) [pid 456] close(16) = -1 EBADF (Bad file descriptor) [pid 456] close(17) = -1 EBADF (Bad file descriptor) [pid 456] close(18) = -1 EBADF (Bad file descriptor) [pid 456] close(19) = -1 EBADF (Bad file descriptor) [pid 456] close(20) = -1 EBADF (Bad file descriptor) [pid 456] close(21) = -1 EBADF (Bad file descriptor) [pid 456] close(22) = -1 EBADF (Bad file descriptor) [pid 456] close(23) = -1 EBADF (Bad file descriptor) [pid 456] close(24) = -1 EBADF (Bad file descriptor) [pid 456] close(25) = -1 EBADF (Bad file descriptor) [pid 456] close(26) = -1 EBADF (Bad file descriptor) [pid 456] close(27) = -1 EBADF (Bad file descriptor) [pid 456] close(28) = -1 EBADF (Bad file descriptor) [pid 456] close(29) = -1 EBADF (Bad file descriptor) [pid 456] exit_group(0 [pid 457] <... futex resumed>) = ? [pid 458] <... futex resumed>) = ? [pid 456] <... exit_group resumed>) = ? [pid 457] +++ exited with 0 +++ [pid 458] +++ exited with 0 +++ [pid 456] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 364] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./22/cgroup.cpu") = 0 [pid 364] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./22/binderfs") = 0 [pid 364] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./22/cgroup" [pid 450] exit(0) = ? [pid 450] +++ exited with 0 +++ [pid 364] <... unlink resumed>) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./22/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./22") = 0 [pid 364] mkdir("./23", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 460 attached [pid 460] set_robust_list(0x55555564b6a0, 24) = 0 [pid 460] chdir("./23") = 0 [pid 460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 460] setpgid(0, 0) = 0 [pid 460] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 94 [pid 460] <... symlink resumed>) = 0 [pid 460] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 460] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 460] write(3, "1000", 4) = 4 [pid 460] close(3) = 0 [pid 460] symlink("/dev/binderfs", "./binderfs") = 0 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 460] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 460] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0} => {parent_tid=[95]}, 88) = 95 ./strace-static-x86_64: Process 461 attached [pid 460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] getpid() = 94 [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 94, 0, -1, 0) = 3 [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 460] <... futex resumed>) = 0 [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 1 [pid 460] <... futex resumed>) = 0 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC) = -1 EFAULT (Bad address) [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] openat(-1, NULL, O_RDWR|O_PATH [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] <... openat resumed>) = -1 EFAULT (Bad address) [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 461] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 461] bpf(BPF_OBJ_GET, NULL, 0) = -1 EFAULT (Bad address) [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 461] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 460] <... futex resumed>) = 0 [pid 461] close(-1 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] bpf(BPF_MAP_CREATE, NULL, 0 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 461] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 461] bpf(BPF_MAP_CREATE, NULL, 0 [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 460] <... futex resumed>) = 0 [pid 460] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 460] <... mmap resumed>) = 0x7fcba5f9c000 [pid 461] <... futex resumed>) = 0 [pid 460] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE [pid 461] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 460] <... mprotect resumed>) = 0 [pid 460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 462 attached [pid 462] set_robust_list(0x7fcba5fbc9a0, 24 [pid 460] <... clone3 resumed> => {parent_tid=[96]}, 88) = 96 [pid 462] <... set_robust_list resumed>) = 0 [pid 460] rt_sigprocmask(SIG_SETMASK, [], [pid 462] rt_sigprocmask(SIG_SETMASK, [], [pid 460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 460] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 462] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 460] <... futex resumed>) = 0 ./strace-static-x86_64: Process 463 attached [pid 462] <... clone resumed>) = 97 [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 462] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 460] <... futex resumed>) = 1 [pid 462] <... futex resumed>) = 0 [pid 461] close(3 [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] <... close resumed>) = 0 [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 461] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 460] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 460] <... futex resumed>) = 0 [pid 461] gettid( [pid 460] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] <... gettid resumed>) = 95 [pid 461] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 460] <... futex resumed>) = 0 [pid 461] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 460] close(3) = -1 EBADF (Bad file descriptor) [pid 460] close(4) = -1 EBADF (Bad file descriptor) [pid 460] close(5) = -1 EBADF (Bad file descriptor) [pid 460] close(6) = -1 EBADF (Bad file descriptor) [pid 460] close(7) = -1 EBADF (Bad file descriptor) [pid 460] close(8) = -1 EBADF (Bad file descriptor) [pid 460] close(9) = -1 EBADF (Bad file descriptor) [pid 460] close(10) = -1 EBADF (Bad file descriptor) [pid 460] close(11) = -1 EBADF (Bad file descriptor) [pid 460] close(12) = -1 EBADF (Bad file descriptor) [pid 460] close(13) = -1 EBADF (Bad file descriptor) [pid 460] close(14) = -1 EBADF (Bad file descriptor) [pid 460] close(15) = -1 EBADF (Bad file descriptor) [pid 460] close(16) = -1 EBADF (Bad file descriptor) [pid 460] close(17) = -1 EBADF (Bad file descriptor) [pid 460] close(18) = -1 EBADF (Bad file descriptor) [pid 460] close(19) = -1 EBADF (Bad file descriptor) [pid 460] close(20) = -1 EBADF (Bad file descriptor) [pid 460] close(21) = -1 EBADF (Bad file descriptor) [pid 460] close(22) = -1 EBADF (Bad file descriptor) [pid 460] close(23) = -1 EBADF (Bad file descriptor) [pid 460] close(24) = -1 EBADF (Bad file descriptor) [pid 460] close(25) = -1 EBADF (Bad file descriptor) [pid 460] close(26) = -1 EBADF (Bad file descriptor) [pid 460] close(27) = -1 EBADF (Bad file descriptor) [pid 460] close(28) = -1 EBADF (Bad file descriptor) [pid 460] close(29) = -1 EBADF (Bad file descriptor) [pid 460] exit_group(0 [pid 462] <... futex resumed>) = ? [pid 461] <... futex resumed>) = ? [pid 460] <... exit_group resumed>) = ? [pid 462] +++ exited with 0 +++ [pid 461] +++ exited with 0 +++ [pid 460] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./23/cgroup.cpu") = 0 [pid 364] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./23/binderfs") = 0 [pid 364] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./23/cgroup") = 0 [pid 364] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./23/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./23") = 0 [pid 364] mkdir("./24", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 464 attached [pid 464] set_robust_list(0x55555564b6a0, 24) = 0 [pid 464] chdir("./24") = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 464] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 98 [pid 464] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 464] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 464] close(3) = 0 [pid 464] symlink("/dev/binderfs", "./binderfs") = 0 [pid 464] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 464] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 465 attached [pid 465] set_robust_list(0x7fcba5fdd9a0, 24 [pid 464] <... clone3 resumed> => {parent_tid=[99]}, 88) = 99 [pid 465] <... set_robust_list resumed>) = 0 [pid 464] rt_sigprocmask(SIG_SETMASK, [], [pid 465] rt_sigprocmask(SIG_SETMASK, [], [pid 464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] getpid( [pid 464] <... futex resumed>) = 0 [pid 465] <... getpid resumed>) = 98 [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 465] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 98, 0, -1, 0) = 3 [pid 455] exit(0 [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... exit resumed>) = ? [pid 455] +++ exited with 0 +++ [pid 465] <... futex resumed>) = 1 [pid 464] <... futex resumed>) = 0 [pid 465] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 464] <... futex resumed>) = 0 [pid 465] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 465] <... futex resumed>) = 0 [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 464] <... futex resumed>) = 0 [pid 465] <... openat resumed>) = -1 EFAULT (Bad address) [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 465] <... futex resumed>) = 0 [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] openat(-1, NULL, O_RDWR|O_PATH [pid 464] <... futex resumed>) = 0 [pid 465] <... openat resumed>) = -1 EFAULT (Bad address) [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 465] <... futex resumed>) = 0 [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] bpf(BPF_OBJ_GET, NULL, 0 [pid 464] <... futex resumed>) = 0 [pid 465] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 465] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 464] <... futex resumed>) = 0 [pid 465] close(-1 [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 465] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 464] <... futex resumed>) = 0 [pid 465] bpf(BPF_MAP_CREATE, NULL, 0 [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 465] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 464] <... futex resumed>) = 0 [pid 465] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 465] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 464] <... futex resumed>) = 0 [pid 465] bpf(BPF_MAP_CREATE, NULL, 0 [pid 464] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 464] <... futex resumed>) = 0 [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 465] <... futex resumed>) = 0 [pid 464] <... mmap resumed>) = 0x7fcba5f9c000 [pid 465] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 466 attached [pid 466] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 464] <... clone3 resumed> => {parent_tid=[100]}, 88) = 100 [pid 466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] rt_sigprocmask(SIG_SETMASK, [], [pid 466] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 464] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 464] <... futex resumed>) = 1 [pid 466] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... futex resumed>) = 0 [pid 464] <... futex resumed>) = 1 [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 467 attached [pid 465] close(3 [pid 466] <... clone resumed>) = 101 [pid 465] <... close resumed>) = 0 [pid 466] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 465] <... futex resumed>) = 1 [pid 466] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 465] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] <... futex resumed>) = 0 [pid 464] <... futex resumed>) = 1 [pid 465] gettid( [pid 464] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] <... gettid resumed>) = 99 [pid 465] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 465] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] close(3) = -1 EBADF (Bad file descriptor) [pid 464] close(4) = -1 EBADF (Bad file descriptor) [pid 464] close(5) = -1 EBADF (Bad file descriptor) [pid 464] close(6) = -1 EBADF (Bad file descriptor) [pid 464] close(7) = -1 EBADF (Bad file descriptor) [pid 464] close(8) = -1 EBADF (Bad file descriptor) [pid 464] close(9) = -1 EBADF (Bad file descriptor) [pid 464] close(10) = -1 EBADF (Bad file descriptor) [pid 464] close(11) = -1 EBADF (Bad file descriptor) [pid 464] close(12) = -1 EBADF (Bad file descriptor) [pid 464] close(13) = -1 EBADF (Bad file descriptor) [pid 464] close(14) = -1 EBADF (Bad file descriptor) [pid 464] close(15) = -1 EBADF (Bad file descriptor) [pid 464] close(16) = -1 EBADF (Bad file descriptor) [pid 464] close(17) = -1 EBADF (Bad file descriptor) [pid 464] close(18) = -1 EBADF (Bad file descriptor) [pid 464] close(19) = -1 EBADF (Bad file descriptor) [pid 464] close(20) = -1 EBADF (Bad file descriptor) [pid 464] close(21) = -1 EBADF (Bad file descriptor) [pid 464] close(22) = -1 EBADF (Bad file descriptor) [pid 464] close(23) = -1 EBADF (Bad file descriptor) [pid 464] close(24) = -1 EBADF (Bad file descriptor) [pid 464] close(25) = -1 EBADF (Bad file descriptor) [pid 464] close(26) = -1 EBADF (Bad file descriptor) [pid 464] close(27) = -1 EBADF (Bad file descriptor) [pid 464] close(28) = -1 EBADF (Bad file descriptor) [pid 464] close(29) = -1 EBADF (Bad file descriptor) [pid 464] exit_group(0 [pid 466] <... futex resumed>) = ? [pid 465] <... futex resumed>) = ? [pid 464] <... exit_group resumed>) = ? [pid 466] +++ exited with 0 +++ [pid 465] +++ exited with 0 +++ [pid 464] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./24/cgroup.cpu") = 0 [pid 364] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./24/binderfs") = 0 [pid 364] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./24/cgroup") = 0 [pid 364] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./24/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./24") = 0 [pid 364] mkdir("./25", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 468 attached [pid 468] set_robust_list(0x55555564b6a0, 24) = 0 [pid 468] chdir("./25") = 0 [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 468] setpgid(0, 0) = 0 [pid 468] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 102 [pid 468] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 468] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 468] write(3, "1000", 4) = 4 [pid 468] close(3) = 0 [pid 468] symlink("/dev/binderfs", "./binderfs") = 0 [pid 468] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 468] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 469 attached [pid 469] set_robust_list(0x7fcba5fdd9a0, 24 [pid 468] <... clone3 resumed> => {parent_tid=[103]}, 88) = 103 [pid 469] <... set_robust_list resumed>) = 0 [pid 468] rt_sigprocmask(SIG_SETMASK, [], [pid 469] rt_sigprocmask(SIG_SETMASK, [], [pid 468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] getpid( [pid 468] <... futex resumed>) = 0 [pid 469] <... getpid resumed>) = 102 [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] perf_event_open( [pid 468] <... futex resumed>) = 0 [pid 469] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 102, 0, -1, 0) = 3 [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 468] <... futex resumed>) = 0 [pid 469] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 468] <... futex resumed>) = 0 [pid 469] <... openat resumed>) = -1 EFAULT (Bad address) [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] openat(-1, NULL, O_RDWR|O_PATH [pid 468] <... futex resumed>) = 0 [pid 469] <... openat resumed>) = -1 EFAULT (Bad address) [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] bpf(BPF_OBJ_GET, NULL, 0 [pid 468] <... futex resumed>) = 0 [pid 469] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] close(-1 [pid 468] <... futex resumed>) = 0 [pid 469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] bpf(BPF_MAP_CREATE, NULL, 0 [pid 468] <... futex resumed>) = 0 [pid 469] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 468] <... futex resumed>) = 0 [pid 469] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] bpf(BPF_MAP_CREATE, NULL, 0 [pid 468] <... futex resumed>) = 0 [pid 469] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 468] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = 0 [pid 469] <... futex resumed>) = 0 [pid 468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 469] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] <... mmap resumed>) = 0x7fcba5f9c000 [pid 468] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 470 attached [pid 470] set_robust_list(0x7fcba5fbc9a0, 24 [pid 468] <... clone3 resumed> => {parent_tid=[104]}, 88) = 104 [pid 470] <... set_robust_list resumed>) = 0 [pid 468] rt_sigprocmask(SIG_SETMASK, [], [pid 470] rt_sigprocmask(SIG_SETMASK, [], [pid 468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 468] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 468] <... futex resumed>) = 0 ./strace-static-x86_64: Process 471 attached [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... clone resumed>) = 105 [pid 469] <... futex resumed>) = 0 [pid 468] <... futex resumed>) = 1 [pid 470] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] close(3 [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 470] <... futex resumed>) = 0 [pid 469] <... close resumed>) = 0 [pid 470] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 468] <... futex resumed>) = 0 [pid 469] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 468] <... futex resumed>) = 0 [pid 469] gettid( [pid 468] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... gettid resumed>) = 103 [pid 469] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 468] <... futex resumed>) = 0 [pid 469] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] close(3) = -1 EBADF (Bad file descriptor) [pid 468] close(4) = -1 EBADF (Bad file descriptor) [pid 468] close(5) = -1 EBADF (Bad file descriptor) [pid 468] close(6) = -1 EBADF (Bad file descriptor) [pid 468] close(7) = -1 EBADF (Bad file descriptor) [pid 468] close(8) = -1 EBADF (Bad file descriptor) [pid 468] close(9) = -1 EBADF (Bad file descriptor) [pid 468] close(10) = -1 EBADF (Bad file descriptor) [pid 468] close(11) = -1 EBADF (Bad file descriptor) [pid 468] close(12) = -1 EBADF (Bad file descriptor) [pid 468] close(13) = -1 EBADF (Bad file descriptor) [pid 468] close(14 [pid 459] exit(0 [pid 468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 459] <... exit resumed>) = ? [pid 468] close(15 [pid 459] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 468] close(16) = -1 EBADF (Bad file descriptor) [pid 468] close(17) = -1 EBADF (Bad file descriptor) [pid 468] close(18) = -1 EBADF (Bad file descriptor) [pid 468] close(19) = -1 EBADF (Bad file descriptor) [pid 468] close(20) = -1 EBADF (Bad file descriptor) [pid 468] close(21) = -1 EBADF (Bad file descriptor) [pid 468] close(22) = -1 EBADF (Bad file descriptor) [pid 468] close(23) = -1 EBADF (Bad file descriptor) [pid 468] close(24) = -1 EBADF (Bad file descriptor) [pid 468] close(25) = -1 EBADF (Bad file descriptor) [pid 468] close(26) = -1 EBADF (Bad file descriptor) [pid 468] close(27) = -1 EBADF (Bad file descriptor) [pid 468] close(28) = -1 EBADF (Bad file descriptor) [pid 468] close(29) = -1 EBADF (Bad file descriptor) [pid 468] exit_group(0 [pid 470] <... futex resumed>) = ? [pid 469] <... futex resumed>) = ? [pid 468] <... exit_group resumed>) = ? [pid 470] +++ exited with 0 +++ [pid 469] +++ exited with 0 +++ [pid 468] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./25/cgroup.cpu") = 0 [pid 364] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./25/binderfs") = 0 [pid 364] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./25/cgroup") = 0 [pid 364] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./25/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./25") = 0 [pid 364] mkdir("./26", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 472 attached [pid 472] set_robust_list(0x55555564b6a0, 24) = 0 [pid 472] chdir("./26") = 0 [pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 472] setpgid(0, 0) = 0 [pid 472] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 106 [pid 472] <... symlink resumed>) = 0 [pid 472] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 472] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 472] write(3, "1000", 4) = 4 [pid 472] close(3) = 0 [pid 472] symlink("/dev/binderfs", "./binderfs") = 0 [pid 472] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 472] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 473 attached [pid 473] set_robust_list(0x7fcba5fdd9a0, 24 [pid 472] <... clone3 resumed> => {parent_tid=[107]}, 88) = 107 [pid 473] <... set_robust_list resumed>) = 0 [pid 472] rt_sigprocmask(SIG_SETMASK, [], [pid 473] rt_sigprocmask(SIG_SETMASK, [], [pid 472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] getpid( [pid 472] <... futex resumed>) = 0 [pid 473] <... getpid resumed>) = 106 [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 473] <... futex resumed>) = 0 [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] perf_event_open( [pid 472] <... futex resumed>) = 0 [pid 473] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 106, 0, -1, 0) = 3 [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 473] <... futex resumed>) = 0 [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 472] <... futex resumed>) = 0 [pid 473] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 473] <... futex resumed>) = 0 [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 472] <... futex resumed>) = 0 [pid 473] <... openat resumed>) = -1 EFAULT (Bad address) [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 473] <... futex resumed>) = 0 [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] openat(-1, NULL, O_RDWR|O_PATH [pid 472] <... futex resumed>) = 0 [pid 473] <... openat resumed>) = -1 EFAULT (Bad address) [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 473] <... futex resumed>) = 0 [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] bpf(BPF_OBJ_GET, NULL, 0 [pid 472] <... futex resumed>) = 0 [pid 473] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 473] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 472] <... futex resumed>) = 0 [pid 473] close(-1 [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 472] <... futex resumed>) = 0 [pid 473] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 472] <... futex resumed>) = 0 [pid 473] bpf(BPF_MAP_CREATE, NULL, 0 [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 472] <... futex resumed>) = 0 [pid 473] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 472] <... futex resumed>) = 0 [pid 473] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 473] <... futex resumed>) = 1 [pid 473] bpf(BPF_MAP_CREATE, NULL, 0 [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 472] <... futex resumed>) = 0 [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = 0 [pid 472] <... futex resumed>) = 0 [pid 473] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 472] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 ./strace-static-x86_64: Process 474 attached [pid 473] <... clone resumed>) = 108 [pid 472] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] <... mprotect resumed>) = 0 [pid 473] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 475 attached [pid 475] set_robust_list(0x7fcba5fbc9a0, 24 [pid 472] <... clone3 resumed> => {parent_tid=[109]}, 88) = 109 [pid 475] <... set_robust_list resumed>) = 0 [pid 472] rt_sigprocmask(SIG_SETMASK, [], [pid 475] rt_sigprocmask(SIG_SETMASK, [], [pid 472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 475] close(3 [pid 472] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 475] <... close resumed>) = 0 [pid 472] futex(0x7fcba60a83fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 475] <... futex resumed>) = 0 [pid 472] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 475] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 473] <... futex resumed>) = 0 [pid 472] <... futex resumed>) = 1 [pid 473] gettid( [pid 472] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... gettid resumed>) = 107 [pid 473] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 472] <... futex resumed>) = 0 [pid 473] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] close(3) = -1 EBADF (Bad file descriptor) [pid 472] close(4) = -1 EBADF (Bad file descriptor) [pid 472] close(5) = -1 EBADF (Bad file descriptor) [pid 472] close(6) = -1 EBADF (Bad file descriptor) [pid 472] close(7) = -1 EBADF (Bad file descriptor) [pid 463] exit(0) = ? [pid 472] close(8 [pid 463] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 472] close(9) = -1 EBADF (Bad file descriptor) [pid 472] close(10) = -1 EBADF (Bad file descriptor) [pid 472] close(11) = -1 EBADF (Bad file descriptor) [pid 472] close(12) = -1 EBADF (Bad file descriptor) [pid 472] close(13) = -1 EBADF (Bad file descriptor) [pid 472] close(14) = -1 EBADF (Bad file descriptor) [pid 472] close(15) = -1 EBADF (Bad file descriptor) [pid 472] close(16) = -1 EBADF (Bad file descriptor) [pid 472] close(17) = -1 EBADF (Bad file descriptor) [pid 472] close(18) = -1 EBADF (Bad file descriptor) [pid 472] close(19) = -1 EBADF (Bad file descriptor) [pid 472] close(20) = -1 EBADF (Bad file descriptor) [pid 472] close(21) = -1 EBADF (Bad file descriptor) [pid 472] close(22) = -1 EBADF (Bad file descriptor) [pid 472] close(23) = -1 EBADF (Bad file descriptor) [pid 472] close(24) = -1 EBADF (Bad file descriptor) [pid 472] close(25) = -1 EBADF (Bad file descriptor) [pid 472] close(26) = -1 EBADF (Bad file descriptor) [pid 472] close(27) = -1 EBADF (Bad file descriptor) [pid 472] close(28) = -1 EBADF (Bad file descriptor) [pid 472] close(29) = -1 EBADF (Bad file descriptor) [pid 472] exit_group(0 [pid 475] <... futex resumed>) = ? [pid 473] <... futex resumed>) = ? [pid 472] <... exit_group resumed>) = ? [pid 473] +++ exited with 0 +++ [pid 475] +++ exited with 0 +++ [pid 472] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 364] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./26/cgroup.cpu") = 0 [pid 364] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./26/binderfs") = 0 [pid 364] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./26/cgroup") = 0 [pid 364] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./26/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./26") = 0 [pid 364] mkdir("./27", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 476 attached [pid 476] set_robust_list(0x55555564b6a0, 24) = 0 [pid 476] chdir("./27" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 110 [pid 476] <... chdir resumed>) = 0 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 476] setpgid(0, 0) = 0 [pid 476] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 476] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 476] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 [pid 476] symlink("/dev/binderfs", "./binderfs") = 0 [pid 476] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 476] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 477 attached [pid 477] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 476] <... clone3 resumed> => {parent_tid=[111]}, 88) = 111 [pid 477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 476] rt_sigprocmask(SIG_SETMASK, [], [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 476] <... futex resumed>) = 1 [pid 477] getpid( [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... getpid resumed>) = 110 [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 477] <... futex resumed>) = 0 [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 110, 0, -1, 0) = 3 [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 476] <... futex resumed>) = 1 [pid 477] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 477] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 476] <... futex resumed>) = 1 [pid 477] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... openat resumed>) = -1 EFAULT (Bad address) [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... futex resumed>) = 0 [pid 477] openat(-1, NULL, O_RDWR|O_PATH [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... openat resumed>) = -1 EFAULT (Bad address) [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... futex resumed>) = 0 [pid 477] bpf(BPF_OBJ_GET, NULL, 0 [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... futex resumed>) = 0 [pid 477] close(-1 [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... futex resumed>) = 0 [pid 477] bpf(BPF_MAP_CREATE, NULL, 0 [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... futex resumed>) = 0 [pid 477] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... futex resumed>) = 0 [pid 477] bpf(BPF_MAP_CREATE, NULL, 0 [pid 476] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 477] <... futex resumed>) = 0 [pid 476] <... mmap resumed>) = 0x7fcba5f9c000 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 478 attached => {parent_tid=[112]}, 88) = 112 [pid 478] set_robust_list(0x7fcba5fbc9a0, 24 [pid 476] rt_sigprocmask(SIG_SETMASK, [], [pid 478] <... set_robust_list resumed>) = 0 [pid 476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 478] rt_sigprocmask(SIG_SETMASK, [], [pid 476] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 476] <... futex resumed>) = 0 [pid 478] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 476] <... futex resumed>) = 1 [pid 467] exit(0 [pid 477] close(3 [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... exit resumed>) = ? ./strace-static-x86_64: Process 479 attached [pid 477] <... close resumed>) = 0 [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... futex resumed>) = 0 [pid 477] gettid( [pid 476] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... gettid resumed>) = 111 [pid 477] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] +++ exited with 0 +++ [pid 478] <... clone resumed>) = 113 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 478] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 478] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] close(3) = -1 EBADF (Bad file descriptor) [pid 476] close(4) = -1 EBADF (Bad file descriptor) [pid 476] close(5) = -1 EBADF (Bad file descriptor) [pid 476] close(6) = -1 EBADF (Bad file descriptor) [pid 476] close(7) = -1 EBADF (Bad file descriptor) [pid 476] close(8) = -1 EBADF (Bad file descriptor) [pid 476] close(9) = -1 EBADF (Bad file descriptor) [pid 476] close(10) = -1 EBADF (Bad file descriptor) [pid 476] close(11) = -1 EBADF (Bad file descriptor) [pid 476] close(12) = -1 EBADF (Bad file descriptor) [pid 476] close(13) = -1 EBADF (Bad file descriptor) [pid 476] close(14) = -1 EBADF (Bad file descriptor) [pid 476] close(15) = -1 EBADF (Bad file descriptor) [pid 476] close(16) = -1 EBADF (Bad file descriptor) [pid 476] close(17) = -1 EBADF (Bad file descriptor) [pid 476] close(18) = -1 EBADF (Bad file descriptor) [pid 476] close(19) = -1 EBADF (Bad file descriptor) [pid 476] close(20) = -1 EBADF (Bad file descriptor) [pid 476] close(21) = -1 EBADF (Bad file descriptor) [pid 476] close(22) = -1 EBADF (Bad file descriptor) [pid 476] close(23) = -1 EBADF (Bad file descriptor) [pid 476] close(24) = -1 EBADF (Bad file descriptor) [pid 476] close(25) = -1 EBADF (Bad file descriptor) [pid 476] close(26) = -1 EBADF (Bad file descriptor) [pid 476] close(27) = -1 EBADF (Bad file descriptor) [pid 476] close(28) = -1 EBADF (Bad file descriptor) [pid 476] close(29) = -1 EBADF (Bad file descriptor) [pid 476] exit_group(0 [pid 478] <... futex resumed>) = ? [pid 477] <... futex resumed>) = ? [pid 476] <... exit_group resumed>) = ? [pid 478] +++ exited with 0 +++ [pid 477] +++ exited with 0 +++ [pid 476] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 364] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./27/cgroup.cpu") = 0 [pid 364] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./27/binderfs") = 0 [pid 364] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./27/cgroup") = 0 [pid 364] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./27/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./27") = 0 [pid 364] mkdir("./28", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 480 attached [pid 480] set_robust_list(0x55555564b6a0, 24) = 0 [pid 480] chdir("./28" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 114 [pid 480] <... chdir resumed>) = 0 [pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 480] setpgid(0, 0) = 0 [pid 480] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 480] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 480] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 480] write(3, "1000", 4) = 4 [pid 480] close(3) = 0 [pid 480] symlink("/dev/binderfs", "./binderfs") = 0 [pid 480] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 480] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 481 attached [pid 481] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 481] rt_sigprocmask(SIG_SETMASK, [], [pid 480] <... clone3 resumed> => {parent_tid=[115]}, 88) = 115 [pid 481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 481] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = 1 [pid 481] getpid( [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... getpid resumed>) = 114 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 480] <... futex resumed>) = 0 [pid 481] perf_event_open( [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 114, 0, -1, 0) = 3 [pid 480] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 480] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... openat resumed>) = -1 EFAULT (Bad address) [pid 480] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] openat(-1, NULL, O_RDWR|O_PATH [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... openat resumed>) = -1 EFAULT (Bad address) [pid 480] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] bpf(BPF_OBJ_GET, NULL, 0 [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 480] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] close(-1 [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 480] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] bpf(BPF_MAP_CREATE, NULL, 0 [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 480] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 480] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] bpf(BPF_MAP_CREATE, NULL, 0 [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 480] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 471] exit(0 [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = 0 [pid 471] <... exit resumed>) = ? [pid 481] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 480] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 471] +++ exited with 0 +++ ./strace-static-x86_64: Process 482 attached [pid 480] <... futex resumed>) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 481] <... clone resumed>) = 116 [pid 480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] <... mmap resumed>) = 0x7fcba5f9c000 [pid 481] <... futex resumed>) = 0 [pid 480] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE [pid 481] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 480] <... mprotect resumed>) = 0 [pid 480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 483 attached [pid 483] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 480] <... clone3 resumed> => {parent_tid=[117]}, 88) = 117 [pid 480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 480] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 483] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = 1 [pid 483] close(3) = 0 [pid 483] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 480] futex(0x7fcba60a83fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 480] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... futex resumed>) = 0 [pid 480] <... futex resumed>) = 1 [pid 481] gettid( [pid 480] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... gettid resumed>) = 115 [pid 481] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] <... futex resumed>) = 0 [pid 481] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 480] close(3) = -1 EBADF (Bad file descriptor) [pid 480] close(4) = -1 EBADF (Bad file descriptor) [pid 480] close(5) = -1 EBADF (Bad file descriptor) [pid 480] close(6) = -1 EBADF (Bad file descriptor) [pid 480] close(7) = -1 EBADF (Bad file descriptor) [pid 480] close(8) = -1 EBADF (Bad file descriptor) [pid 480] close(9) = -1 EBADF (Bad file descriptor) [pid 480] close(10) = -1 EBADF (Bad file descriptor) [pid 480] close(11) = -1 EBADF (Bad file descriptor) [pid 480] close(12) = -1 EBADF (Bad file descriptor) [pid 480] close(13) = -1 EBADF (Bad file descriptor) [pid 480] close(14) = -1 EBADF (Bad file descriptor) [pid 480] close(15) = -1 EBADF (Bad file descriptor) [pid 480] close(16) = -1 EBADF (Bad file descriptor) [pid 480] close(17) = -1 EBADF (Bad file descriptor) [pid 480] close(18) = -1 EBADF (Bad file descriptor) [pid 480] close(19) = -1 EBADF (Bad file descriptor) [pid 480] close(20) = -1 EBADF (Bad file descriptor) [pid 480] close(21) = -1 EBADF (Bad file descriptor) [pid 480] close(22) = -1 EBADF (Bad file descriptor) [pid 480] close(23) = -1 EBADF (Bad file descriptor) [pid 480] close(24) = -1 EBADF (Bad file descriptor) [pid 480] close(25) = -1 EBADF (Bad file descriptor) [pid 480] close(26) = -1 EBADF (Bad file descriptor) [pid 480] close(27) = -1 EBADF (Bad file descriptor) [pid 480] close(28) = -1 EBADF (Bad file descriptor) [pid 480] close(29) = -1 EBADF (Bad file descriptor) [pid 480] exit_group(0 [pid 483] <... futex resumed>) = ? [pid 480] <... exit_group resumed>) = ? [pid 483] +++ exited with 0 +++ [pid 481] <... futex resumed>) = ? [pid 481] +++ exited with 0 +++ [pid 480] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./28/cgroup.cpu") = 0 [pid 364] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./28/binderfs") = 0 [pid 364] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./28/cgroup") = 0 [pid 364] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./28/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./28") = 0 [pid 364] mkdir("./29", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 484 attached , child_tidptr=0x55555564b690) = 118 [pid 484] set_robust_list(0x55555564b6a0, 24) = 0 [pid 484] chdir("./29") = 0 [pid 484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 484] setpgid(0, 0) = 0 [pid 484] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 484] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 484] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 484] write(3, "1000", 4) = 4 [pid 484] close(3 [pid 474] exit(0) = ? [pid 484] <... close resumed>) = 0 [pid 474] +++ exited with 0 +++ [pid 484] symlink("/dev/binderfs", "./binderfs" [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 484] <... symlink resumed>) = 0 [pid 484] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 484] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 484] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 485 attached [pid 485] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] <... clone3 resumed> => {parent_tid=[119]}, 88) = 119 [pid 484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 485] <... futex resumed>) = 0 [pid 485] getpid() = 118 [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 485] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 118, 0, -1, 0) = 3 [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 485] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 485] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC) = -1 EFAULT (Bad address) [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 485] openat(-1, NULL, O_RDWR|O_PATH [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] <... openat resumed>) = -1 EFAULT (Bad address) [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 485] <... futex resumed>) = 0 [pid 485] bpf(BPF_OBJ_GET, NULL, 0 [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 484] <... futex resumed>) = 0 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 485] close(-1) = -1 EBADF (Bad file descriptor) [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 485] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument) [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 485] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 485] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument) [pid 484] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 484] <... futex resumed>) = 0 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f9c000 [pid 484] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 486 attached [pid 486] set_robust_list(0x7fcba5fbc9a0, 24) = 0 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] <... clone3 resumed> => {parent_tid=[120]}, 88) = 120 [pid 484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 484] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 486] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 487 attached [pid 486] <... clone resumed>) = 121 [pid 485] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 486] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] close(3 [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 486] <... futex resumed>) = 0 [pid 485] <... close resumed>) = 0 [pid 486] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 484] <... futex resumed>) = 0 [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 484] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] gettid() = 119 [pid 484] <... futex resumed>) = 0 [pid 485] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 484] close(3) = -1 EBADF (Bad file descriptor) [pid 484] close(4) = -1 EBADF (Bad file descriptor) [pid 484] close(5) = -1 EBADF (Bad file descriptor) [pid 484] close(6) = -1 EBADF (Bad file descriptor) [pid 484] close(7) = -1 EBADF (Bad file descriptor) [pid 484] close(8) = -1 EBADF (Bad file descriptor) [pid 484] close(9) = -1 EBADF (Bad file descriptor) [pid 484] close(10) = -1 EBADF (Bad file descriptor) [pid 484] close(11) = -1 EBADF (Bad file descriptor) [pid 484] close(12) = -1 EBADF (Bad file descriptor) [pid 484] close(13) = -1 EBADF (Bad file descriptor) [pid 484] close(14) = -1 EBADF (Bad file descriptor) [pid 484] close(15) = -1 EBADF (Bad file descriptor) [pid 484] close(16) = -1 EBADF (Bad file descriptor) [pid 484] close(17) = -1 EBADF (Bad file descriptor) [pid 484] close(18) = -1 EBADF (Bad file descriptor) [pid 484] close(19) = -1 EBADF (Bad file descriptor) [pid 484] close(20) = -1 EBADF (Bad file descriptor) [pid 484] close(21) = -1 EBADF (Bad file descriptor) [pid 484] close(22) = -1 EBADF (Bad file descriptor) [pid 484] close(23) = -1 EBADF (Bad file descriptor) [pid 484] close(24) = -1 EBADF (Bad file descriptor) [pid 484] close(25) = -1 EBADF (Bad file descriptor) [pid 484] close(26) = -1 EBADF (Bad file descriptor) [pid 484] close(27) = -1 EBADF (Bad file descriptor) [pid 484] close(28) = -1 EBADF (Bad file descriptor) [pid 484] close(29) = -1 EBADF (Bad file descriptor) [pid 484] exit_group(0 [pid 486] <... futex resumed>) = ? [pid 485] <... futex resumed>) = ? [pid 484] <... exit_group resumed>) = ? [pid 486] +++ exited with 0 +++ [pid 485] +++ exited with 0 +++ [pid 484] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 364] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./29/cgroup.cpu") = 0 [pid 364] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./29/binderfs") = 0 [pid 364] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./29/cgroup") = 0 [pid 364] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./29/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./29") = 0 [pid 364] mkdir("./30", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 488 attached [pid 488] set_robust_list(0x55555564b6a0, 24) = 0 [pid 488] chdir("./30" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 122 [pid 488] <... chdir resumed>) = 0 [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 488] setpgid(0, 0) = 0 [pid 488] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 488] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 488] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 488] write(3, "1000", 4) = 4 [pid 488] close(3) = 0 [pid 488] symlink("/dev/binderfs", "./binderfs") = 0 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 488] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0}./strace-static-x86_64: Process 489 attached => {parent_tid=[123]}, 88) = 123 [pid 488] rt_sigprocmask(SIG_SETMASK, [], [pid 489] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] getpid( [pid 488] <... futex resumed>) = 0 [pid 489] <... getpid resumed>) = 122 [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = 0 [pid 488] <... futex resumed>) = 1 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 122, 0, -1, 0) = 3 [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 488] <... futex resumed>) = 0 [pid 489] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 489] <... futex resumed>) = 0 [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC [pid 488] <... futex resumed>) = 0 [pid 489] <... openat resumed>) = -1 EFAULT (Bad address) [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 489] <... futex resumed>) = 0 [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] openat(-1, NULL, O_RDWR|O_PATH [pid 488] <... futex resumed>) = 0 [pid 489] <... openat resumed>) = -1 EFAULT (Bad address) [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 489] <... futex resumed>) = 0 [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] bpf(BPF_OBJ_GET, NULL, 0 [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 488] <... futex resumed>) = 0 [pid 489] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 488] <... futex resumed>) = 0 [pid 489] close(-1 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 479] exit(0 [pid 489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 479] <... exit resumed>) = ? [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] +++ exited with 0 +++ [pid 489] <... futex resumed>) = 1 [pid 488] <... futex resumed>) = 0 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument) [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0) = -1 ENOENT (No such file or directory) [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 488] <... futex resumed>) = 0 [pid 489] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 488] <... futex resumed>) = 0 [pid 489] bpf(BPF_MAP_CREATE, NULL, 0 [pid 488] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 488] <... futex resumed>) = 0 [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 489] <... futex resumed>) = 0 [pid 488] <... mmap resumed>) = 0x7fcba5f9c000 [pid 489] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 488] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 490 attached [pid 490] set_robust_list(0x7fcba5fbc9a0, 24 [pid 488] <... clone3 resumed> => {parent_tid=[124]}, 88) = 124 [pid 490] <... set_robust_list resumed>) = 0 [pid 488] rt_sigprocmask(SIG_SETMASK, [], [pid 490] rt_sigprocmask(SIG_SETMASK, [], [pid 488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 488] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 490] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = 0 [pid 488] <... futex resumed>) = 1 [pid 489] close(3 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 491 attached [pid 489] <... close resumed>) = 0 [pid 490] <... clone resumed>) = 125 [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 488] <... futex resumed>) = 0 [pid 490] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 490] <... futex resumed>) = 0 [pid 489] gettid( [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 489] <... gettid resumed>) = 123 [pid 489] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 488] <... futex resumed>) = 0 [pid 489] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 488] close(3) = -1 EBADF (Bad file descriptor) [pid 488] close(4) = -1 EBADF (Bad file descriptor) [pid 488] close(5) = -1 EBADF (Bad file descriptor) [pid 488] close(6) = -1 EBADF (Bad file descriptor) [pid 488] close(7) = -1 EBADF (Bad file descriptor) [pid 488] close(8) = -1 EBADF (Bad file descriptor) [pid 488] close(9) = -1 EBADF (Bad file descriptor) [pid 488] close(10) = -1 EBADF (Bad file descriptor) [pid 488] close(11) = -1 EBADF (Bad file descriptor) [pid 488] close(12) = -1 EBADF (Bad file descriptor) [pid 488] close(13) = -1 EBADF (Bad file descriptor) [pid 488] close(14) = -1 EBADF (Bad file descriptor) [pid 488] close(15) = -1 EBADF (Bad file descriptor) [pid 488] close(16) = -1 EBADF (Bad file descriptor) [pid 488] close(17) = -1 EBADF (Bad file descriptor) [pid 488] close(18) = -1 EBADF (Bad file descriptor) [pid 488] close(19) = -1 EBADF (Bad file descriptor) [pid 488] close(20) = -1 EBADF (Bad file descriptor) [pid 488] close(21) = -1 EBADF (Bad file descriptor) [pid 488] close(22) = -1 EBADF (Bad file descriptor) [pid 488] close(23) = -1 EBADF (Bad file descriptor) [pid 488] close(24) = -1 EBADF (Bad file descriptor) [pid 488] close(25) = -1 EBADF (Bad file descriptor) [pid 488] close(26) = -1 EBADF (Bad file descriptor) [pid 488] close(27) = -1 EBADF (Bad file descriptor) [pid 488] close(28) = -1 EBADF (Bad file descriptor) [pid 488] close(29) = -1 EBADF (Bad file descriptor) [pid 488] exit_group(0) = ? [pid 490] <... futex resumed>) = ? [pid 489] <... futex resumed>) = ? [pid 490] +++ exited with 0 +++ [pid 489] +++ exited with 0 +++ [pid 488] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./30/cgroup.cpu") = 0 [pid 364] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./30/binderfs") = 0 [pid 364] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./30/cgroup") = 0 [pid 364] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./30/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./30") = 0 [pid 364] mkdir("./31", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 492 attached [pid 492] set_robust_list(0x55555564b6a0, 24) = 0 [pid 492] chdir("./31") = 0 [pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 492] setpgid(0, 0) = 0 [pid 492] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 126 [pid 492] <... symlink resumed>) = 0 [pid 492] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 492] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 482] exit(0 [pid 492] write(3, "1000", 4) = 4 [pid 492] close(3) = 0 [pid 492] symlink("/dev/binderfs", "./binderfs") = 0 [pid 482] <... exit resumed>) = ? [pid 492] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 492] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0} => {parent_tid=[127]}, 88) = 127 [pid 492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 482] +++ exited with 0 +++ ./strace-static-x86_64: Process 493 attached [pid 493] set_robust_list(0x7fcba5fdd9a0, 24 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 493] <... set_robust_list resumed>) = 0 [pid 493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 493] getpid() = 126 [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 126, 0, -1, 0) = 3 [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 493] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 493] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0) = -1 EINVAL (Invalid argument) [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC) = -1 EFAULT (Bad address) [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] openat(-1, NULL, O_RDWR|O_PATH [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... openat resumed>) = -1 EFAULT (Bad address) [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 493] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 492] <... futex resumed>) = 0 [pid 493] bpf(BPF_OBJ_GET, NULL, 0 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 493] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 492] <... futex resumed>) = 0 [pid 493] close(-1 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 493] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 492] <... futex resumed>) = 0 [pid 493] bpf(BPF_MAP_CREATE, NULL, 0 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 493] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 492] <... futex resumed>) = 0 [pid 493] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 493] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 492] <... futex resumed>) = 0 [pid 493] bpf(BPF_MAP_CREATE, NULL, 0 [pid 492] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 492] <... futex resumed>) = 0 [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 493] <... futex resumed>) = 0 [pid 492] <... mmap resumed>) = 0x7fcba5f9c000 [pid 493] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 494 attached => {parent_tid=[128]}, 88) = 128 [pid 494] set_robust_list(0x7fcba5fbc9a0, 24 [pid 492] rt_sigprocmask(SIG_SETMASK, [], [pid 494] <... set_robust_list resumed>) = 0 [pid 492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 494] rt_sigprocmask(SIG_SETMASK, [], [pid 492] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 492] <... futex resumed>) = 0 [pid 494] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... futex resumed>) = 0 [pid 492] <... futex resumed>) = 1 [pid 493] close(3 [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... close resumed>) = 0 [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 493] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 492] <... futex resumed>) = 0 [pid 493] gettid( [pid 492] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 495 attached [pid 493] <... gettid resumed>) = 127 [pid 494] <... clone resumed>) = 129 [pid 493] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 494] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] close(3 [pid 494] <... futex resumed>) = 0 [pid 492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 492] close(4) = -1 EBADF (Bad file descriptor) [pid 492] close(5) = -1 EBADF (Bad file descriptor) [pid 492] close(6) = -1 EBADF (Bad file descriptor) [pid 492] close(7) = -1 EBADF (Bad file descriptor) [pid 494] futex(0x7fcba60a83f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] close(8) = -1 EBADF (Bad file descriptor) [pid 492] close(9) = -1 EBADF (Bad file descriptor) [pid 492] close(10) = -1 EBADF (Bad file descriptor) [pid 492] close(11) = -1 EBADF (Bad file descriptor) [pid 492] close(12) = -1 EBADF (Bad file descriptor) [pid 492] close(13) = -1 EBADF (Bad file descriptor) [pid 492] close(14) = -1 EBADF (Bad file descriptor) [pid 492] close(15) = -1 EBADF (Bad file descriptor) [pid 492] close(16) = -1 EBADF (Bad file descriptor) [pid 492] close(17) = -1 EBADF (Bad file descriptor) [pid 492] close(18) = -1 EBADF (Bad file descriptor) [pid 492] close(19) = -1 EBADF (Bad file descriptor) [pid 492] close(20) = -1 EBADF (Bad file descriptor) [pid 492] close(21) = -1 EBADF (Bad file descriptor) [pid 492] close(22) = -1 EBADF (Bad file descriptor) [pid 492] close(23) = -1 EBADF (Bad file descriptor) [pid 492] close(24) = -1 EBADF (Bad file descriptor) [pid 492] close(25) = -1 EBADF (Bad file descriptor) [pid 492] close(26) = -1 EBADF (Bad file descriptor) [pid 492] close(27) = -1 EBADF (Bad file descriptor) [pid 492] close(28) = -1 EBADF (Bad file descriptor) [pid 492] close(29) = -1 EBADF (Bad file descriptor) [pid 492] exit_group(0 [pid 493] <... futex resumed>) = ? [pid 492] <... exit_group resumed>) = ? [pid 494] <... futex resumed>) = ? [pid 493] +++ exited with 0 +++ [pid 494] +++ exited with 0 +++ [pid 492] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 364] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 364] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 364] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] getdents64(3, 0x55555564c730 /* 6 entries */, 32768) = 176 [pid 364] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./31/cgroup.cpu") = 0 [pid 364] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./31/binderfs") = 0 [pid 364] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./31/cgroup") = 0 [pid 364] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 364] newfstatat(AT_FDCWD, "./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 364] unlink("./31/cgroup.net") = 0 [pid 364] getdents64(3, 0x55555564c730 /* 0 entries */, 32768) = 0 [pid 364] close(3) = 0 [pid 364] rmdir("./31") = 0 [pid 364] mkdir("./32", 0777) = 0 [pid 364] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 496 attached [pid 496] set_robust_list(0x55555564b6a0, 24) = 0 [pid 496] chdir("./32") = 0 [pid 496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 496] setpgid(0, 0) = 0 [pid 496] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 364] <... clone resumed>, child_tidptr=0x55555564b690) = 130 [pid 496] <... symlink resumed>) = 0 [pid 496] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 496] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 496] write(3, "1000", 4) = 4 [pid 496] close(3) = 0 [pid 496] symlink("/dev/binderfs", "./binderfs") = 0 [pid 496] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 496] rt_sigaction(SIGRT_1, {sa_handler=0x7fcba60439a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcba6034b20}, NULL, 8) = 0 [pid 496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5fbd000 [pid 496] mprotect(0x7fcba5fbe000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fdd990, parent_tid=0x7fcba5fdd990, exit_signal=0, stack=0x7fcba5fbd000, stack_size=0x20300, tls=0x7fcba5fdd6c0} => {parent_tid=[131]}, 88) = 131 ./strace-static-x86_64: Process 497 attached [pid 496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] set_robust_list(0x7fcba5fdd9a0, 24) = 0 [pid 497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 497] getpid() = 130 [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 496] <... futex resumed>) = 0 [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] perf_event_open( [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 130, 0, -1, 0) = 3 [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 496] <... futex resumed>) = 0 [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 487] exit(0 [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] <... exit resumed>) = ? [pid 497] bpf(BPF_MAP_UPDATE_ELEM, NULL, 0 [pid 487] +++ exited with 0 +++ [pid 497] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 497] <... futex resumed>) = 1 [pid 497] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] <... futex resumed>) = 0 [pid 497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] openat(AT_FDCWD, NULL, O_RDWR|__O_SYNC) = -1 EFAULT (Bad address) [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 496] <... futex resumed>) = 0 [pid 497] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... futex resumed>) = 0 [pid 496] <... futex resumed>) = 1 [pid 497] openat(-1, NULL, O_RDWR|O_PATH [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... openat resumed>) = -1 EFAULT (Bad address) [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 496] <... futex resumed>) = 0 [pid 497] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 496] <... futex resumed>) = 0 [pid 497] bpf(BPF_OBJ_GET, NULL, 0 [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 496] <... futex resumed>) = 0 [pid 497] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 496] <... futex resumed>) = 0 [pid 497] close(-1 [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 496] <... futex resumed>) = 0 [pid 497] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 496] <... futex resumed>) = 0 [pid 497] bpf(BPF_MAP_CREATE, NULL, 0 [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 496] <... futex resumed>) = 0 [pid 497] bpf(BPF_BTF_GET_FD_BY_ID, NULL, 0 [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... bpf resumed>) = -1 ENOENT (No such file or directory) [pid 496] <... futex resumed>) = 0 [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... futex resumed>) = 0 [pid 496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 497] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 496] <... futex resumed>) = 0 [pid 497] bpf(BPF_MAP_CREATE, NULL, 0 [pid 496] futex(0x7fcba60a83fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] <... bpf resumed>) = -1 EINVAL (Invalid argument) [pid 496] <... futex resumed>) = 0 [pid 497] futex(0x7fcba60a83ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 497] <... futex resumed>) = 0 [pid 496] <... mmap resumed>) = 0x7fcba5f9c000 [pid 497] futex(0x7fcba60a83e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] mprotect(0x7fcba5f9d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5fbc990, parent_tid=0x7fcba5fbc990, exit_signal=0, stack=0x7fcba5f9c000, stack_size=0x20300, tls=0x7fcba5fbc6c0}./strace-static-x86_64: Process 498 attached => {parent_tid=[132]}, 88) = 132 [pid 498] set_robust_list(0x7fcba5fbc9a0, 24 [pid 496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 498] <... set_robust_list resumed>) = 0 [pid 496] futex(0x7fcba60a83f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] rt_sigprocmask(SIG_SETMASK, [], [pid 496] <... futex resumed>) = 0 [pid 498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 496] futex(0x7fcba60a83e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE [pid 497] <... futex resumed>) = 0 [pid 496] <... futex resumed>) = 1 [pid 497] close(3 [pid 496] futex(0x7fcba60a83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 491] exit(0) = ? [pid 491] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 496] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 37.020390][ T498] kasan: CONFIG_KASAN_INLINE enabled [ 37.025971][ T498] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 37.034453][ T498] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 37.041241][ T498] CPU: 1 PID: 498 Comm: syz-executor320 Not tainted 5.4.265-syzkaller-00001-g1b3143b9b166 #0 [ 37.051186][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 37.061110][ T498] RIP: 0010:inherit_task_group+0x1bf/0x390 [pid 496] futex(0x7fcba60a840c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcba5f7b000 [pid 496] mprotect(0x7fcba5f7c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcba5f9b990, parent_tid=0x7fcba5f9b990, exit_signal=0, stack=0x7fcba5f7b000, stack_size=0x20300, tls=0x7fcba5f9b6c0}./strace-static-x86_64: Process 499 attached [pid 499] set_robust_list(0x7fcba5f9b9a0, 24 [pid 496] <... clone3 resumed> => {parent_tid=[133]}, 88) = 133 [pid 499] <... set_robust_list resumed>) = 0 [pid 496] rt_sigprocmask(SIG_SETMASK, [], [pid 499] rt_sigprocmask(SIG_SETMASK, [], [pid 496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 496] futex(0x7fcba60a8408, FUTEX_WAKE_PRIVATE, 1000000 [pid 499] gettid( [pid 496] <... futex resumed>) = 0 [pid 499] <... gettid resumed>) = 133 [pid 496] futex(0x7fcba60a840c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 499] futex(0x7fcba60a840c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 496] <... futex resumed>) = 0 [pid 499] futex(0x7fcba60a8408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 495] exit(0) = ? [pid 495] +++ exited with 0 +++ [pid 364] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 37.066732][ T498] Code: c5 8c 00 00 00 48 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 86 01 00 00 8b 5d 00 49 81 c7 8c 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 85 01 00 00 41 89 1f 45 31 ff e9 f4 00 [ 37.086186][ T498] RSP: 0018:ffff8881efbcf9c8 EFLAGS: 00010207 [ 37.092085][ T498] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff8881f31dcec0 [ 37.099885][ T498] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881f0b67090 [ 37.107701][ T498] RBP: ffff8881f0b6708c R08: dffffc0000000000 R09: ffffed103edeb12c [ 37.115606][ T498] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 37.123424][ T498] R13: ffff8881efbcfac0 R14: ffff8881f0b67010 R15: 000000000000008c [ 37.131229][ T498] FS: 00007fcba5fbc6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 37.140000][ T498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.146421][ T498] CR2: 0000000000000000 CR3: 00000001f4dd5000 CR4: 00000000003406a0 [ 37.154224][ T498] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.162132][ T498] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [pid 496] close(3) = -1 EBADF (Bad file descriptor) [pid 496] close(4) = -1 EBADF (Bad file descriptor) [pid 496] close(5) = -1 EBADF (Bad file descriptor) [pid 496] close(6) = -1 EBADF (Bad file descriptor) [pid 496] close(7) = -1 EBADF (Bad file descriptor) [pid 496] close(8) = -1 EBADF (Bad file descriptor) [pid 496] close(9) = -1 EBADF (Bad file descriptor) [ 37.169925][ T498] Call Trace: [ 37.173072][ T498] ? __die+0xb4/0x100 [ 37.176890][ T498] ? die+0x26/0x50 [ 37.180460][ T498] ? do_general_protection+0x266/0x3c0 [ 37.185828][ T498] ? do_trap+0x340/0x340 [ 37.189926][ T498] ? inherit_event+0x4e7/0xca0 [ 37.194525][ T498] ? general_protection+0x28/0x30 [ 37.199377][ T498] ? inherit_task_group+0x1bf/0x390 [ 37.204425][ T498] ? inherit_task_group+0x2e2/0x390 [ 37.209442][ T498] perf_event_init_task+0x331/0x770 [ 37.214519][ T498] ? perf_event_attrs+0x20/0x20 [pid 496] close(10) = -1 EBADF (Bad file descriptor) [pid 496] close(11) = -1 EBADF (Bad file descriptor) [pid 496] close(12) = -1 EBADF (Bad file descriptor) [pid 496] close(13) = -1 EBADF (Bad file descriptor) [pid 496] close(14) = -1 EBADF (Bad file descriptor) [pid 496] close(15) = -1 EBADF (Bad file descriptor) [pid 496] close(16) = -1 EBADF (Bad file descriptor) [pid 496] close(17) = -1 EBADF (Bad file descriptor) [pid 496] close(18) = -1 EBADF (Bad file descriptor) [pid 496] close(19) = -1 EBADF (Bad file descriptor) [pid 496] close(20) = -1 EBADF (Bad file descriptor) [pid 496] close(21) = -1 EBADF (Bad file descriptor) [pid 496] close(22) = -1 EBADF (Bad file descriptor) [pid 496] close(23) = -1 EBADF (Bad file descriptor) [pid 496] close(24) = -1 EBADF (Bad file descriptor) [pid 496] close(25) = -1 EBADF (Bad file descriptor) [pid 496] close(26) = -1 EBADF (Bad file descriptor) [pid 496] close(27) = -1 EBADF (Bad file descriptor) [pid 496] close(28) = -1 EBADF (Bad file descriptor) [pid 496] close(29) = -1 EBADF (Bad file descriptor) [pid 496] exit_group(0 [pid 499] <... futex resumed>) = ? [pid 499] +++ exited with 0 +++ [pid 496] <... exit_group resumed>) = ? [ 37.219170][ T498] ? memset+0x1f/0x40 [ 37.222984][ T498] ? sched_fork+0x5e4/0xd70 [ 37.227356][ T498] copy_process+0xf2b/0x3230 [ 37.231761][ T498] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 37.236691][ T498] ? _raw_spin_lock_irqsave+0x210/0x210 [ 37.242164][ T498] ? cgroup_leave_frozen+0x13c/0x290 [ 37.247468][ T498] ? fork_idle+0x290/0x290 [ 37.251718][ T498] _do_fork+0x197/0x900 [ 37.255708][ T498] ? do_notify_parent+0xa10/0xa10 [ 37.260670][ T498] ? copy_process+0x3230/0x3230 [ 37.265338][ T498] ? check_preemption_disabled+0x153/0x320 [ 37.270989][ T498] __x64_sys_clone+0x26b/0x2c0 [ 37.275676][ T498] ? __ia32_sys_vfork+0x110/0x110 [ 37.280544][ T498] ? switch_fpu_return+0x1d4/0x410 [ 37.285568][ T498] do_syscall_64+0xca/0x1c0 [ 37.290000][ T498] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 37.295720][ T498] Modules linked in: [ 37.300697][ T498] ---[ end trace 283ff73b2040e566 ]--- [ 37.306310][ T498] RIP: 0010:inherit_task_group+0x1bf/0x390 [ 37.312269][ T498] Code: c5 8c 00 00 00 48 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 86 01 00 00 8b 5d 00 49 81 c7 8c 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 85 01 00 00 41 89 1f 45 31 ff e9 f4 00 [ 37.332044][ T498] RSP: 0018:ffff8881efbcf9c8 EFLAGS: 00010207 [ 37.338114][ T498] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff8881f31dcec0 [ 37.345962][ T498] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881f0b67090 [ 37.354010][ T498] RBP: ffff8881f0b6708c R08: dffffc0000000000 R09: ffffed103edeb12c [ 37.362287][ T498] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 37.370095][ T498] R13: ffff8881efbcfac0 R14: ffff8881f0b67010 R15: 000000000000008c [ 37.377955][ T498] FS: 00007fcba5fbc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 37.386730][ T498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.393178][ T498] CR2: 00007fcba6074078 CR3: 00000001f4dd5000 CR4: 00000000003406b0 [ 37.400949][ T498] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.408721][ T498] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.416603][ T498] Kernel panic - not syncing: Fatal exception [ 37.422602][ T498] Kernel Offset: disabled [ 37.426772][ T498] Rebooting in 86400 seconds..