./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor555666814 <...> TACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4753/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4753/cgroup") = 0 [pid 295] umount2("./4753/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4753/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4753/cgroup.net") = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4753") = 0 [pid 295] mkdir("./4754", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5592 attached [pid 5592] set_robust_list(0x5555568776a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14024 [pid 5592] <... set_robust_list resumed>) = 0 [pid 5592] chdir("./4754") = 0 [pid 5592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5592] setpgid(0, 0) = 0 [pid 5592] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5592] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5592] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5592] write(3, "1000", 4) = 4 [pid 5592] close(3) = 0 [pid 5592] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5592] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5592] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5592] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5593 attached [pid 5593] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5592] <... clone3 resumed> => {parent_tid=[14025]}, 88) = 14025 [pid 5593] <... set_robust_list resumed>) = 0 [pid 5592] rt_sigprocmask(SIG_SETMASK, [], [pid 5593] rt_sigprocmask(SIG_SETMASK, [], [pid 5592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5593] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5592] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5593] <... bpf resumed>) = 3 [pid 5593] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5593] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] <... futex resumed>) = 0 [pid 5593] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5592] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5592] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5593] <... bpf resumed>) = 0 [pid 5592] <... mprotect resumed>) = 0 [pid 5593] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5593] <... futex resumed>) = 0 [pid 5592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5588] <... bpf resumed>) = 5 [pid 5578] <... close resumed>) = 0 [pid 5593] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5588] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] close(6./strace-static-x86_64: Process 5594 attached [pid 5588] <... futex resumed>) = 1 [pid 5586] <... futex resumed>) = 0 [pid 5578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5592] <... clone3 resumed> => {parent_tid=[14026]}, 88) = 14026 [pid 5588] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5586] close(3 [pid 5578] close(7 [pid 5594] <... set_robust_list resumed>) = 0 [pid 5592] rt_sigprocmask(SIG_SETMASK, [], [pid 5586] <... close resumed>) = 0 [pid 5578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] rt_sigprocmask(SIG_SETMASK, [], [pid 5592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5586] close(4 [pid 5578] close(8 [pid 5594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... close resumed>) = 0 [pid 5578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5592] <... futex resumed>) = 0 [pid 5586] close(5 [pid 5578] close(9 [pid 5592] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5578] close(10) = -1 EBADF (Bad file descriptor) [pid 5578] close(11) = -1 EBADF (Bad file descriptor) [pid 5594] <... bpf resumed>) = 4 [pid 5578] close(12 [pid 5594] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... futex resumed>) = 1 [pid 5578] close(13 [pid 5594] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] <... futex resumed>) = 0 [pid 5578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] close(14 [pid 5593] <... futex resumed>) = 0 [pid 5592] <... futex resumed>) = 1 [pid 5578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5592] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5578] close(15) = -1 EBADF (Bad file descriptor) [pid 5578] close(16) = -1 EBADF (Bad file descriptor) [pid 5578] close(17) = -1 EBADF (Bad file descriptor) [pid 5578] close(18) = -1 EBADF (Bad file descriptor) [pid 5578] close(19) = -1 EBADF (Bad file descriptor) [pid 5578] close(20) = -1 EBADF (Bad file descriptor) [pid 5578] close(21) = -1 EBADF (Bad file descriptor) [pid 5578] close(22) = -1 EBADF (Bad file descriptor) [pid 5578] close(23) = -1 EBADF (Bad file descriptor) [pid 5578] close(24) = -1 EBADF (Bad file descriptor) [pid 5578] close(25) = -1 EBADF (Bad file descriptor) [pid 5578] close(26) = -1 EBADF (Bad file descriptor) [pid 5578] close(27) = -1 EBADF (Bad file descriptor) [pid 5578] close(28) = -1 EBADF (Bad file descriptor) [pid 5578] close(29) = -1 EBADF (Bad file descriptor) [pid 5578] exit_group(0 [pid 5584] <... futex resumed>) = ? [pid 5581] <... futex resumed>) = ? [pid 5578] <... exit_group resumed>) = ? [pid 5584] +++ exited with 0 +++ [pid 5581] +++ exited with 0 +++ [pid 5578] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] umount2("./4707", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4707/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4707/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4707/cgroup.cpu") = 0 [pid 294] umount2("./4707/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4707/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4707/binderfs") = 0 [pid 294] umount2("./4707/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4707/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4707/cgroup") = 0 [pid 294] umount2("./4707/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4707/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4707/cgroup.net") = 0 [pid 294] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [pid 294] rmdir("./4707") = 0 [pid 294] mkdir("./4708", 0777) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5595 attached [pid 5595] set_robust_list(0x5555568776a0, 24) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13863 [pid 5595] chdir("./4708") = 0 [pid 5595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5595] setpgid(0, 0) = 0 [pid 5595] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5595] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5595] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5595] write(3, "1000", 4) = 4 [pid 5595] close(3) = 0 [pid 5595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5595] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5595] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5595] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5596 attached [pid 5596] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5595] <... clone3 resumed> => {parent_tid=[13864]}, 88) = 13864 [pid 5596] <... set_robust_list resumed>) = 0 [pid 5596] rt_sigprocmask(SIG_SETMASK, [], [pid 5595] rt_sigprocmask(SIG_SETMASK, [], [pid 5596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5596] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5595] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... futex resumed>) = 0 [pid 5595] <... futex resumed>) = 1 [pid 5596] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5595] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5596] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5596] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... futex resumed>) = 0 [pid 5595] <... futex resumed>) = 1 [pid 5596] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5595] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... bpf resumed>) = 0 [pid 5595] <... futex resumed>) = 0 [pid 5596] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5596] <... futex resumed>) = 0 [pid 5595] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5596] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5597 attached [pid 5597] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 5597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5597] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] <... clone3 resumed> => {parent_tid=[13865]}, 88) = 13865 [pid 5595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5595] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... bpf resumed>) = 5 [pid 5579] <... close resumed>) = 0 [pid 5597] <... futex resumed>) = 0 [pid 5595] <... futex resumed>) = 1 [pid 5590] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] close(6 [pid 5597] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5595] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] <... futex resumed>) = 1 [pid 5587] <... futex resumed>) = 0 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5590] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] close(3 [pid 5579] close(7 [pid 5597] <... bpf resumed>) = 4 [pid 5587] <... close resumed>) = 0 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5597] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] close(4 [pid 5579] close(8 [pid 5587] <... close resumed>) = 0 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5597] <... futex resumed>) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5587] close(5 [pid 5579] close(9 [pid 5597] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5579] close(10 [pid 5595] <... futex resumed>) = 1 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5579] close(11 [pid 5596] <... futex resumed>) = 0 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5579] close(12) = -1 EBADF (Bad file descriptor) [pid 5579] close(13) = -1 EBADF (Bad file descriptor) [pid 5579] close(14) = -1 EBADF (Bad file descriptor) [pid 5579] close(15) = -1 EBADF (Bad file descriptor) [pid 5579] close(16) = -1 EBADF (Bad file descriptor) [pid 5579] close(17) = -1 EBADF (Bad file descriptor) [pid 5579] close(18) = -1 EBADF (Bad file descriptor) [pid 5579] close(19) = -1 EBADF (Bad file descriptor) [pid 5579] close(20) = -1 EBADF (Bad file descriptor) [pid 5579] close(21) = -1 EBADF (Bad file descriptor) [pid 5579] close(22) = -1 EBADF (Bad file descriptor) [pid 5579] close(23) = -1 EBADF (Bad file descriptor) [pid 5579] close(24) = -1 EBADF (Bad file descriptor) [pid 5579] close(25) = -1 EBADF (Bad file descriptor) [pid 5579] close(26) = -1 EBADF (Bad file descriptor) [pid 5579] close(27) = -1 EBADF (Bad file descriptor) [pid 5579] close(28) = -1 EBADF (Bad file descriptor) [pid 5579] close(29) = -1 EBADF (Bad file descriptor) [pid 5579] exit_group(0 [pid 5585] <... futex resumed>) = ? [pid 5582] <... futex resumed>) = ? [pid 5579] <... exit_group resumed>) = ? [pid 5585] +++ exited with 0 +++ [pid 5582] +++ exited with 0 +++ [pid 5579] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] umount2("./4643", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4643", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4643/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4643/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4643/cgroup.cpu") = 0 [pid 293] umount2("./4643/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4643/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4643/binderfs") = 0 [pid 293] umount2("./4643/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4643/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4643/cgroup") = 0 [pid 293] umount2("./4643/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4643/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4643/cgroup.net") = 0 [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [pid 293] rmdir("./4643") = 0 [pid 293] mkdir("./4644", 0777) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5598 attached [pid 5598] set_robust_list(0x5555568776a0, 24) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13696 [pid 5598] chdir("./4644") = 0 [pid 5598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5598] setpgid(0, 0) = 0 [pid 5598] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5598] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5598] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5598] write(3, "1000", 4) = 4 [pid 5598] close(3) = 0 [pid 5598] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5598] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5598] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5598] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5599 attached [pid 5599] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5598] <... clone3 resumed> => {parent_tid=[13697]}, 88) = 13697 [pid 5599] <... set_robust_list resumed>) = 0 [pid 5598] rt_sigprocmask(SIG_SETMASK, [], [pid 5599] rt_sigprocmask(SIG_SETMASK, [], [pid 5598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5598] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5598] <... futex resumed>) = 0 [pid 5599] <... bpf resumed>) = 3 [pid 5598] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5599] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5599] <... futex resumed>) = 0 [pid 5598] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5598] <... futex resumed>) = 0 [pid 5598] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5598] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5599] <... bpf resumed>) = 0 [pid 5598] <... mprotect resumed>) = 0 [pid 5599] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5599] <... futex resumed>) = 0 [pid 5598] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5599] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5600 attached [pid 5600] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5598] <... clone3 resumed> => {parent_tid=[13698]}, 88) = 13698 [pid 5600] <... set_robust_list resumed>) = 0 [pid 5598] rt_sigprocmask(SIG_SETMASK, [], [pid 5600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5600] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5598] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... futex resumed>) = 0 [pid 5598] <... futex resumed>) = 1 [pid 5600] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5598] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5600] <... bpf resumed>) = 4 [pid 5600] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5598] <... futex resumed>) = 0 [pid 5600] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5598] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] <... futex resumed>) = 0 [pid 5598] <... futex resumed>) = 1 [pid 5599] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5598] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5593] <... bpf resumed>) = 5 [pid 5586] <... close resumed>) = 0 [pid 5593] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] close(6 [pid 5593] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] close(3 [pid 5586] close(7 [pid 5592] <... close resumed>) = 0 [pid 5586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] close(4 [pid 5586] close(8 [pid 5592] <... close resumed>) = 0 [pid 5586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] close(5 [pid 5586] close(9) = -1 EBADF (Bad file descriptor) [pid 5586] close(10) = -1 EBADF (Bad file descriptor) [pid 5586] close(11) = -1 EBADF (Bad file descriptor) [pid 5586] close(12) = -1 EBADF (Bad file descriptor) [pid 5586] close(13) = -1 EBADF (Bad file descriptor) [pid 5586] close(14) = -1 EBADF (Bad file descriptor) [pid 5586] close(15) = -1 EBADF (Bad file descriptor) [pid 5586] close(16) = -1 EBADF (Bad file descriptor) [pid 5586] close(17) = -1 EBADF (Bad file descriptor) [pid 5586] close(18) = -1 EBADF (Bad file descriptor) [pid 5586] close(19) = -1 EBADF (Bad file descriptor) [pid 5586] close(20) = -1 EBADF (Bad file descriptor) [pid 5586] close(21) = -1 EBADF (Bad file descriptor) [pid 5586] close(22) = -1 EBADF (Bad file descriptor) [pid 5586] close(23) = -1 EBADF (Bad file descriptor) [pid 5586] close(24) = -1 EBADF (Bad file descriptor) [pid 5586] close(25) = -1 EBADF (Bad file descriptor) [pid 5586] close(26) = -1 EBADF (Bad file descriptor) [pid 5586] close(27) = -1 EBADF (Bad file descriptor) [pid 5586] close(28) = -1 EBADF (Bad file descriptor) [pid 5586] close(29) = -1 EBADF (Bad file descriptor) [pid 5586] exit_group(0 [pid 5588] <... futex resumed>) = ? [pid 5589] <... futex resumed>) = ? [pid 5586] <... exit_group resumed>) = ? [pid 5588] +++ exited with 0 +++ [pid 5589] +++ exited with 0 +++ [pid 5586] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./4817", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4817/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4817/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4817/cgroup.cpu") = 0 [pid 297] umount2("./4817/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4817/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4817/binderfs") = 0 [pid 297] umount2("./4817/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4817/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4817/cgroup") = 0 [pid 297] umount2("./4817/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4817/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4817/cgroup.net") = 0 [pid 297] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./4817") = 0 [pid 297] mkdir("./4818", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5601 attached [pid 5601] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14210 [pid 5601] <... set_robust_list resumed>) = 0 [pid 5601] chdir("./4818") = 0 [pid 5601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5601] setpgid(0, 0) = 0 [pid 5601] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5601] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5601] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5601] write(3, "1000", 4) = 4 [pid 5601] close(3) = 0 [pid 5601] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5601] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5601] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5601] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5602 attached [pid 5602] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5601] <... clone3 resumed> => {parent_tid=[14211]}, 88) = 14211 [pid 5602] <... set_robust_list resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [], [pid 5602] rt_sigprocmask(SIG_SETMASK, [], [pid 5601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5602] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5601] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... bpf resumed>) = 3 [pid 5602] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5601] <... futex resumed>) = 0 [pid 5602] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5601] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5601] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5602] <... bpf resumed>) = 0 [pid 5601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5602] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5601] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5602] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5603 attached [pid 5603] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5601] <... clone3 resumed> => {parent_tid=[14212]}, 88) = 14212 [pid 5603] <... set_robust_list resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [], [pid 5601] rt_sigprocmask(SIG_SETMASK, [], [pid 5603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5603] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... futex resumed>) = 0 [pid 5601] <... futex resumed>) = 1 [pid 5603] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5601] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... bpf resumed>) = 4 [pid 5603] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5603] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] <... futex resumed>) = 0 [pid 5601] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... futex resumed>) = 0 [pid 5601] <... futex resumed>) = 1 [pid 5602] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5601] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5602] <... bpf resumed>) = 5 [pid 5599] <... bpf resumed>) = 5 [pid 5596] <... bpf resumed>) = 5 [pid 5592] <... close resumed>) = 0 [pid 5587] <... close resumed>) = 0 [pid 5602] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] close(6 [pid 5587] close(6 [pid 5602] <... futex resumed>) = 1 [pid 5601] <... futex resumed>) = 0 [pid 5599] <... futex resumed>) = 1 [pid 5598] <... futex resumed>) = 0 [pid 5596] <... futex resumed>) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5602] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] close(3 [pid 5599] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5598] close(3 [pid 5596] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] close(3 [pid 5592] close(7 [pid 5587] close(7 [pid 5601] <... close resumed>) = 0 [pid 5598] <... close resumed>) = 0 [pid 5595] <... close resumed>) = 0 [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5601] close(4 [pid 5598] close(4 [pid 5595] close(4 [pid 5592] close(8 [pid 5587] close(8 [pid 5601] <... close resumed>) = 0 [pid 5598] <... close resumed>) = 0 [pid 5595] <... close resumed>) = 0 [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5601] close(5 [pid 5598] close(5 [pid 5595] close(5 [pid 5592] close(9 [pid 5587] close(9 [pid 5598] <... close resumed>) = 0 [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(6 [pid 5592] close(10 [pid 5587] close(10 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(7 [pid 5592] close(11 [pid 5587] close(11 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(8 [pid 5592] close(12 [pid 5587] close(12 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(9 [pid 5592] close(13 [pid 5587] close(13 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(10 [pid 5592] close(14 [pid 5587] close(14 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(11 [pid 5592] close(15 [pid 5587] close(15 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(12 [pid 5592] close(16 [pid 5587] close(16 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(13 [pid 5592] close(17 [pid 5587] close(17 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(14 [pid 5592] close(18 [pid 5587] close(18 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(15 [pid 5592] close(19 [pid 5587] close(19 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(16 [pid 5592] close(20 [pid 5587] close(20 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(17 [pid 5592] close(21 [pid 5587] close(21 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(18 [pid 5592] close(22 [pid 5587] close(22 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(19 [pid 5592] close(23 [pid 5587] close(23 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(20 [pid 5592] close(24 [pid 5587] close(24 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(21 [pid 5592] close(25 [pid 5587] close(25 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(22 [pid 5592] close(26 [pid 5587] close(26 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(23 [pid 5592] close(27 [pid 5587] close(27 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(24 [pid 5592] close(28 [pid 5587] close(28 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(25 [pid 5592] close(29 [pid 5587] close(29 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(26 [pid 5592] exit_group(0 [pid 5587] exit_group(0 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... futex resumed>) = ? [pid 5593] <... futex resumed>) = ? [pid 5592] <... exit_group resumed>) = ? [pid 5598] close(27 [pid 5594] +++ exited with 0 +++ [pid 5593] +++ exited with 0 +++ [pid 5592] +++ exited with 0 +++ [pid 5591] <... futex resumed>) = ? [pid 5590] <... futex resumed>) = ? [pid 5587] <... exit_group resumed>) = ? [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] +++ exited with 0 +++ [pid 5590] +++ exited with 0 +++ [pid 5598] close(28) = -1 EBADF (Bad file descriptor) [pid 5598] close(29) = -1 EBADF (Bad file descriptor) [pid 5598] exit_group(0 [pid 5600] <... futex resumed>) = ? [pid 5599] <... futex resumed>) = ? [pid 5598] <... exit_group resumed>) = ? [pid 5600] +++ exited with 0 +++ [pid 5599] +++ exited with 0 +++ [pid 5598] +++ exited with 0 +++ [pid 5587] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 293] umount2("./4644", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4787", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4754", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] openat(AT_FDCWD, "./4644", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./4787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "./4754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] newfstatat(3, "", [pid 293] newfstatat(3, "", [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 293] getdents64(3, [pid 295] getdents64(3, [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4787/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4754/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4644/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4787/cgroup.cpu", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./4787/cgroup.cpu" [pid 295] newfstatat(AT_FDCWD, "./4754/cgroup.cpu", [pid 293] newfstatat(AT_FDCWD, "./4644/cgroup.cpu", [pid 296] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4787/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4754/cgroup.cpu" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4787/binderfs", [pid 295] <... unlink resumed>) = 0 [pid 293] unlink("./4644/cgroup.cpu" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4754/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 296] unlink("./4787/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4644/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4754/binderfs", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4787/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4644/binderfs", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4754/binderfs" [pid 296] newfstatat(AT_FDCWD, "./4787/cgroup", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] unlink("./4644/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4754/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 296] unlink("./4787/cgroup" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4644/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4754/cgroup", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4787/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4644/cgroup", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4754/cgroup" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./4787/cgroup.net", [pid 295] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4644/cgroup" [pid 296] unlink("./4787/cgroup.net" [pid 295] umount2("./4754/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./4754/cgroup.net", [pid 293] umount2("./4644/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] close(3 [pid 295] unlink("./4754/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./4787" [pid 295] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4644/cgroup.net", [pid 296] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 296] mkdir("./4788", 0777 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] close(3 [pid 293] unlink("./4644/cgroup.net" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./4754" [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5604 attached [pid 5604] set_robust_list(0x5555568776a0, 24) = 0 [pid 5604] chdir("./4788") = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14142 [pid 295] <... rmdir resumed>) = 0 [pid 293] getdents64(3, [pid 5604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] mkdir("./4755", 0777 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5604] setpgid(0, 0) = 0 [pid 5604] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 295] <... mkdir resumed>) = 0 [pid 293] close(3 [pid 5604] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5604] <... symlink resumed>) = 0 [pid 293] <... close resumed>) = 0 [pid 5604] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 ./strace-static-x86_64: Process 5605 attached [pid 5604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14027 [pid 293] rmdir("./4644" [pid 5605] set_robust_list(0x5555568776a0, 24 [pid 5604] <... openat resumed>) = 3 [pid 5601] <... close resumed>) = 0 [pid 5604] write(3, "1000", 4 [pid 5601] close(6 [pid 5595] <... close resumed>) = 0 [pid 5604] <... write resumed>) = 4 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] <... set_robust_list resumed>) = 0 [pid 5604] close(3 [pid 5601] close(7 [pid 5595] close(6 [pid 293] <... rmdir resumed>) = 0 [pid 5605] chdir("./4755" [pid 5604] <... close resumed>) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] mkdir("./4645", 0777 [pid 5605] <... chdir resumed>) = 0 [pid 5604] symlink("/dev/binderfs", "./binderfs" [pid 5601] close(8 [pid 5595] close(7 [pid 5604] <... symlink resumed>) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... mkdir resumed>) = 0 [pid 5605] <... prctl resumed>) = 0 [pid 5604] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] close(9 [pid 5595] close(8 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] setpgid(0, 0 [pid 5604] <... futex resumed>) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5601] close(10 [pid 5604] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5601] close(11./strace-static-x86_64: Process 5606 attached [pid 5605] <... setpgid resumed>) = 0 [pid 5604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(9 [pid 5606] set_robust_list(0x5555568776a0, 24 [pid 5604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5601] close(12 [pid 5605] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... set_robust_list resumed>) = 0 [pid 5604] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13699 [pid 5606] chdir("./4645" [pid 5605] <... symlink resumed>) = 0 [pid 5604] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5601] close(13 [pid 5595] close(10 [pid 5606] <... chdir resumed>) = 0 [pid 5605] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5604] <... mprotect resumed>) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] <... symlink resumed>) = 0 [pid 5604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5601] close(14 [pid 5595] close(11 [pid 5606] <... prctl resumed>) = 0 [pid 5605] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5604] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] setpgid(0, 0 [pid 5604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5601] close(15 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5607 attached [pid 5606] <... setpgid resumed>) = 0 [pid 5605] <... symlink resumed>) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(12 [pid 5607] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5606] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5604] <... clone3 resumed> => {parent_tid=[14143]}, 88) = 14143 [pid 5601] close(16 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] <... set_robust_list resumed>) = 0 [pid 5606] <... symlink resumed>) = 0 [pid 5605] <... openat resumed>) = 3 [pid 5604] rt_sigprocmask(SIG_SETMASK, [], [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(13 [pid 5607] rt_sigprocmask(SIG_SETMASK, [], [pid 5606] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5605] write(3, "1000", 4 [pid 5604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] close(17 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] <... symlink resumed>) = 0 [pid 5605] <... write resumed>) = 4 [pid 5604] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(14 [pid 5607] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5606] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5605] close(3 [pid 5604] <... futex resumed>) = 0 [pid 5601] close(18 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] <... bpf resumed>) = 3 [pid 5606] <... symlink resumed>) = 0 [pid 5605] <... close resumed>) = 0 [pid 5604] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(15 [pid 5607] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] symlink("/dev/binderfs", "./binderfs" [pid 5604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] close(19 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] <... futex resumed>) = 0 [pid 5606] <... openat resumed>) = 3 [pid 5604] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5606] write(3, "1000", 4 [pid 5605] <... symlink resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5601] close(20 [pid 5595] close(16 [pid 5607] <... bpf resumed>) = 0 [pid 5606] <... write resumed>) = 4 [pid 5605] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] close(3 [pid 5605] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5601] close(21 [pid 5595] close(17 [pid 5607] <... futex resumed>) = 0 [pid 5606] <... close resumed>) = 0 [pid 5605] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] symlink("/dev/binderfs", "./binderfs" [pid 5605] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5604] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5601] close(22 [pid 5595] close(18 [pid 5606] <... symlink resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5604] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5604] <... mprotect resumed>) = 0 [pid 5601] close(23 [pid 5595] close(19 [pid 5606] <... futex resumed>) = 0 [pid 5605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5604] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5601] close(24 [pid 5606] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5605] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(20./strace-static-x86_64: Process 5608 attached [pid 5606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5605] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5601] close(25 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5605] <... mprotect resumed>) = 0 [pid 5604] <... clone3 resumed> => {parent_tid=[14144]}, 88) = 14144 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(21 [pid 5608] <... set_robust_list resumed>) = 0 [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5604] rt_sigprocmask(SIG_SETMASK, [], [pid 5601] close(26 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] rt_sigprocmask(SIG_SETMASK, [], [pid 5606] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5605] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(22 [pid 5608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5604] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] close(27./strace-static-x86_64: Process 5609 attached [pid 5608] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5606] <... mprotect resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5609] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5608] <... bpf resumed>) = 4 [pid 5606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5604] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] close(28 [pid 5595] close(23 [pid 5605] <... clone3 resumed> => {parent_tid=[14028]}, 88) = 14028 [pid 5609] <... set_robust_list resumed>) = 0 [pid 5608] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [], [pid 5604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5609] rt_sigprocmask(SIG_SETMASK, [], [pid 5608] <... futex resumed>) = 0 [pid 5606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5604] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] close(29 [pid 5595] close(24./strace-static-x86_64: Process 5610 attached [pid 5609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] <... futex resumed>) = 0 [pid 5605] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] <... futex resumed>) = 1 [pid 5601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5610] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5609] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5607] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5606] <... clone3 resumed> => {parent_tid=[13700]}, 88) = 13700 [pid 5605] <... futex resumed>) = 0 [pid 5604] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5601] exit_group(0 [pid 5595] close(25 [pid 5610] <... set_robust_list resumed>) = 0 [pid 5609] <... bpf resumed>) = 3 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], [pid 5605] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... futex resumed>) = ? [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5610] rt_sigprocmask(SIG_SETMASK, [], [pid 5609] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... futex resumed>) = ? [pid 5601] <... exit_group resumed>) = ? [pid 5602] +++ exited with 0 +++ [pid 5595] close(26 [pid 5610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5609] <... futex resumed>) = 0 [pid 5606] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] +++ exited with 0 +++ [pid 5609] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5606] <... futex resumed>) = 0 [pid 5609] <... bpf resumed>) = 0 [pid 5606] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] +++ exited with 0 +++ [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5610] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5609] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5605] <... futex resumed>) = 0 [pid 5595] close(27 [pid 5610] <... bpf resumed>) = 3 [pid 5609] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5605] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5610] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] <... futex resumed>) = 0 [pid 5595] close(28 [pid 297] <... restart_syscall resumed>) = 0 [pid 5610] <... futex resumed>) = 1 [pid 5609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5606] <... futex resumed>) = 0 [pid 5605] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5610] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] <... bpf resumed>) = 4 [pid 5606] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] close(29 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... futex resumed>) = 0 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4818", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5610] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5609] <... futex resumed>) = 1 [pid 5606] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... futex resumed>) = 0 [pid 5595] exit_group(0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5610] <... bpf resumed>) = 0 [pid 5609] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] <... futex resumed>) = 0 [pid 5605] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... futex resumed>) = ? [pid 5597] <... futex resumed>) = ? [pid 5595] <... exit_group resumed>) = ? [pid 297] openat(AT_FDCWD, "./4818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5610] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] <... futex resumed>) = 0 [pid 5597] +++ exited with 0 +++ [pid 5596] +++ exited with 0 +++ [pid 297] <... openat resumed>) = 3 [pid 5609] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5606] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5605] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] newfstatat(3, "", [pid 5610] <... futex resumed>) = 0 [pid 5606] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5595] +++ exited with 0 +++ [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5610] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] <... mprotect resumed>) = 0 [pid 297] getdents64(3, [pid 5606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5609] <... bpf resumed>) = 5 [pid 5607] <... bpf resumed>) = 5 [pid 5606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] umount2("./4818/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 5609] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5611 attached [pid 5609] <... futex resumed>) = 1 [pid 5607] <... futex resumed>) = 1 [pid 5605] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4818/cgroup.cpu", [pid 294] <... restart_syscall resumed>) = 0 [pid 5611] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5609] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] <... clone3 resumed> => {parent_tid=[13701]}, 88) = 13701 [pid 5605] close(3 [pid 5604] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5611] <... set_robust_list resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], [pid 5605] <... close resumed>) = 0 [pid 5604] <... close resumed>) = 0 [pid 297] unlink("./4818/cgroup.cpu" [pid 5611] rt_sigprocmask(SIG_SETMASK, [], [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5605] close(4 [pid 5604] close(4 [pid 297] <... unlink resumed>) = 0 [pid 294] umount2("./4708", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... close resumed>) = 0 [pid 5604] <... close resumed>) = 0 [pid 297] umount2("./4818/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5611] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5606] <... futex resumed>) = 0 [pid 5605] close(5 [pid 5604] close(5 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5606] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4818/binderfs", [pid 5611] <... bpf resumed>) = 4 [pid 5605] close(6 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4818/binderfs" [pid 5611] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] close(7 [pid 5604] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 5611] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(6 [pid 297] umount2("./4818/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(3, "", [pid 5611] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] close(8 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5610] <... futex resumed>) = 0 [pid 5606] <... futex resumed>) = 1 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(7 [pid 297] newfstatat(AT_FDCWD, "./4818/cgroup", [pid 294] getdents64(3, [pid 5610] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5606] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5605] close(9 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(8 [pid 297] unlink("./4818/cgroup" [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5605] close(10 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(9 [pid 297] umount2("./4818/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4708/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5605] close(11 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(10 [pid 297] newfstatat(AT_FDCWD, "./4818/cgroup.net", [pid 294] newfstatat(AT_FDCWD, "./4708/cgroup.cpu", [pid 5605] close(12 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(11 [pid 297] unlink("./4818/cgroup.net" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5605] close(13 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 294] unlink("./4708/cgroup.cpu" [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(12 [pid 297] getdents64(3, [pid 5605] close(14 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] close(3 [pid 294] <... unlink resumed>) = 0 [pid 5605] close(15 [pid 5604] close(13 [pid 297] <... close resumed>) = 0 [pid 294] umount2("./4708/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4818" [pid 5605] close(16 [pid 5604] close(14 [pid 297] <... rmdir resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] mkdir("./4819", 0777 [pid 294] newfstatat(AT_FDCWD, "./4708/binderfs", [pid 5605] close(17 [pid 5604] close(15 [pid 297] <... mkdir resumed>) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5612 attached [pid 5605] close(18 [pid 5604] close(16 [pid 294] unlink("./4708/binderfs" [pid 5612] set_robust_list(0x5555568776a0, 24 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14213 [pid 5612] <... set_robust_list resumed>) = 0 [pid 5605] close(19 [pid 5604] close(17 [pid 294] <... unlink resumed>) = 0 [pid 5612] chdir("./4819" [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4708/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5612] <... chdir resumed>) = 0 [pid 5605] close(20 [pid 5604] close(18 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4708/cgroup", [pid 5612] <... prctl resumed>) = 0 [pid 5605] close(21) = -1 EBADF (Bad file descriptor) [pid 5605] close(22) = -1 EBADF (Bad file descriptor) [pid 5604] close(19 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5612] setpgid(0, 0 [pid 5605] close(23 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4708/cgroup" [pid 5612] <... setpgid resumed>) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(20 [pid 5605] close(24) = -1 EBADF (Bad file descriptor) [pid 5605] close(25 [pid 294] <... unlink resumed>) = 0 [pid 5612] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(26 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4708/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(27 [pid 5612] <... symlink resumed>) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5605] close(28 [pid 5604] close(21 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... symlink resumed>) = 0 [pid 5605] close(29 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4708/cgroup.net", [pid 5612] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(22 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5612] <... symlink resumed>) = 0 [pid 5605] exit_group(0 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5609] <... futex resumed>) = ? [pid 5605] <... exit_group resumed>) = ? [pid 5604] close(23 [pid 294] unlink("./4708/cgroup.net" [pid 5612] <... openat resumed>) = 3 [pid 5609] +++ exited with 0 +++ [pid 5605] +++ exited with 0 +++ [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] write(3, "1000", 4 [pid 5604] close(24 [pid 294] <... unlink resumed>) = 0 [pid 5612] <... write resumed>) = 4 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] getdents64(3, [pid 5612] close(3 [pid 5604] close(25 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5612] <... close resumed>) = 0 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 5612] symlink("/dev/binderfs", "./binderfs" [pid 5604] close(26 [pid 294] close(3 [pid 5612] <... symlink resumed>) = 0 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... close resumed>) = 0 [pid 5612] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] close(27 [pid 294] rmdir("./4708" [pid 5612] <... futex resumed>) = 0 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4755", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5604] close(28 [pid 294] <... rmdir resumed>) = 0 [pid 5612] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] mkdir("./4709", 0777 [pid 5612] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5604] close(29 [pid 295] openat(AT_FDCWD, "./4755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... mkdir resumed>) = 0 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... openat resumed>) = 3 [pid 5612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5604] exit_group(0 [pid 295] newfstatat(3, "", [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] <... futex resumed>) = ? [pid 5607] <... futex resumed>) = ? [pid 5604] <... exit_group resumed>) = ? [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5613 attached [pid 5608] +++ exited with 0 +++ [pid 5607] +++ exited with 0 +++ [pid 5613] set_robust_list(0x5555568776a0, 24) = 0 [pid 5613] chdir("./4709") = 0 [pid 5613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5613] setpgid(0, 0) = 0 [pid 5604] +++ exited with 0 +++ [pid 5613] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] getdents64(3, [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13866 [pid 5613] <... symlink resumed>) = 0 [pid 5612] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5613] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5612] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5613] <... symlink resumed>) = 0 [pid 5612] <... mprotect resumed>) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] umount2("./4755/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5613] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5612] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... restart_syscall resumed>) = 0 [pid 5613] <... symlink resumed>) = 0 [pid 5612] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] newfstatat(AT_FDCWD, "./4755/cgroup.cpu", [pid 5613] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5614 attached [pid 5613] write(3, "1000", 4 [pid 296] umount2("./4788", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5614] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5613] <... write resumed>) = 4 [pid 5612] <... clone3 resumed> => {parent_tid=[14214]}, 88) = 14214 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4755/cgroup.cpu" [pid 5614] <... set_robust_list resumed>) = 0 [pid 5613] close(3 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], [pid 296] openat(AT_FDCWD, "./4788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5614] rt_sigprocmask(SIG_SETMASK, [], [pid 5613] <... close resumed>) = 0 [pid 5612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] symlink("/dev/binderfs", "./binderfs" [pid 5612] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... openat resumed>) = 3 [pid 295] umount2("./4755/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5614] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5613] <... symlink resumed>) = 0 [pid 5612] <... futex resumed>) = 0 [pid 296] newfstatat(3, "", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5614] <... bpf resumed>) = 3 [pid 5613] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] newfstatat(AT_FDCWD, "./4755/binderfs", [pid 5614] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... futex resumed>) = 0 [pid 5612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5614] <... futex resumed>) = 0 [pid 5613] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5612] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5613] <... rt_sigaction resumed>NULL, 8) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5614] <... bpf resumed>) = 0 [pid 5613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5612] <... futex resumed>) = 0 [pid 5610] <... bpf resumed>) = 5 [pid 295] unlink("./4755/binderfs" [pid 5614] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5612] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4788/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5614] <... futex resumed>) = 0 [pid 5613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5612] <... futex resumed>) = 0 [pid 5610] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5613] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5612] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] close(3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4755/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5614] <... bpf resumed>) = 4 [pid 5613] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5606] <... close resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4788/cgroup.cpu", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5614] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... mprotect resumed>) = 0 [pid 5606] close(4 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4755/cgroup", [pid 5614] <... futex resumed>) = 1 [pid 5613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5612] <... futex resumed>) = 0 [pid 5606] <... close resumed>) = 0 [pid 296] unlink("./4788/cgroup.cpu" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5614] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5612] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] close(5 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5612] <... futex resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] unlink("./4755/cgroup"./strace-static-x86_64: Process 5615 attached [pid 5614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5612] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5606] <... close resumed>) = 0 [pid 296] umount2("./4788/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5615] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5613] <... clone3 resumed> => {parent_tid=[13867]}, 88) = 13867 [pid 5606] close(6 [pid 295] <... unlink resumed>) = 0 [pid 5615] <... set_robust_list resumed>) = 0 [pid 5613] rt_sigprocmask(SIG_SETMASK, [], [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4755/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5615] rt_sigprocmask(SIG_SETMASK, [], [pid 5613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] close(7 [pid 296] newfstatat(AT_FDCWD, "./4788/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4755/cgroup.net", [pid 5615] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5613] <... futex resumed>) = 0 [pid 5606] close(8 [pid 296] unlink("./4788/binderfs" [pid 5615] <... bpf resumed>) = 3 [pid 5613] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5615] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5606] close(9 [pid 296] <... unlink resumed>) = 0 [pid 295] unlink("./4755/cgroup.net" [pid 5615] <... futex resumed>) = 0 [pid 5613] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4788/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5615] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5613] <... futex resumed>) = 0 [pid 5606] close(10 [pid 295] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5613] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... bpf resumed>) = 0 [pid 5613] <... futex resumed>) = 0 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(AT_FDCWD, "./4788/cgroup", [pid 295] getdents64(3, [pid 5615] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5606] close(11 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5615] <... futex resumed>) = 0 [pid 5613] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4788/cgroup" [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5615] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5606] close(12 [pid 5613] <... mprotect resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] close(3 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] umount2("./4788/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5606] close(13 [pid 295] <... close resumed>) = 0 [pid 5613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] rmdir("./4755"./strace-static-x86_64: Process 5616 attached [pid 5606] close(14 [pid 296] newfstatat(AT_FDCWD, "./4788/cgroup.net", [pid 5613] <... clone3 resumed> => {parent_tid=[13868]}, 88) = 13868 [pid 5613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 5616] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5613] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] mkdir("./4756", 0777 [pid 5616] <... set_robust_list resumed>) = 0 [pid 5613] <... futex resumed>) = 0 [pid 5606] close(15 [pid 296] unlink("./4788/cgroup.net" [pid 5613] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... mkdir resumed>) = 0 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 5616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] close(16 [pid 296] getdents64(3, [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5616] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5617 attached [pid 5617] set_robust_list(0x5555568776a0, 24) = 0 [pid 5617] chdir("./4756" [pid 5616] <... bpf resumed>) = 4 [pid 5617] <... chdir resumed>) = 0 [pid 5616] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] close(17 [pid 296] close(3 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14029 [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5616] <... futex resumed>) = 1 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... prctl resumed>) = 0 [pid 5616] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] <... futex resumed>) = 0 [pid 5606] close(18 [pid 296] <... close resumed>) = 0 [pid 5617] setpgid(0, 0 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] rmdir("./4788" [pid 5617] <... setpgid resumed>) = 0 [pid 5613] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] close(19 [pid 5617] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5613] <... futex resumed>) = 1 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... futex resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 5617] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5615] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5613] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5606] close(20 [pid 296] mkdir("./4789", 0777 [pid 5617] <... symlink resumed>) = 0 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... mkdir resumed>) = 0 [pid 5617] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5606] close(21 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5618 attached [pid 5617] <... symlink resumed>) = 0 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] set_robust_list(0x5555568776a0, 24 [pid 5606] close(22 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14145 [pid 5618] <... set_robust_list resumed>) = 0 [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] chdir("./4789" [pid 5606] close(23 [pid 5617] <... openat resumed>) = 3 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] <... chdir resumed>) = 0 [pid 5617] write(3, "1000", 4 [pid 5606] close(24 [pid 5618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5617] <... write resumed>) = 4 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] <... prctl resumed>) = 0 [pid 5617] close(3 [pid 5606] close(25) = -1 EBADF (Bad file descriptor) [pid 5606] close(26 [pid 5618] setpgid(0, 0 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] <... setpgid resumed>) = 0 [pid 5617] <... close resumed>) = 0 [pid 5606] close(27) = -1 EBADF (Bad file descriptor) [pid 5618] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5617] symlink("/dev/binderfs", "./binderfs" [pid 5606] close(28) = -1 EBADF (Bad file descriptor) [pid 5606] close(29 [pid 5618] <... symlink resumed>) = 0 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] exit_group(0 [pid 5618] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5617] <... symlink resumed>) = 0 [pid 5611] <... futex resumed>) = ? [pid 5610] <... futex resumed>) = ? [pid 5606] <... exit_group resumed>) = ? [pid 5618] <... symlink resumed>) = 0 [pid 5617] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] +++ exited with 0 +++ [pid 5610] +++ exited with 0 +++ [pid 5606] +++ exited with 0 +++ [pid 5618] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5617] <... futex resumed>) = 0 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5618] <... symlink resumed>) = 0 [pid 5617] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5617] <... rt_sigaction resumed>NULL, 8) = 0 [pid 293] <... restart_syscall resumed>) = 0 [pid 5618] <... openat resumed>) = 3 [pid 5617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5618] write(3, "1000", 4 [pid 5617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] <... write resumed>) = 4 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5618] close(3 [pid 293] umount2("./4645", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5618] <... close resumed>) = 0 [pid 5617] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5618] symlink("/dev/binderfs", "./binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5617] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5618] <... symlink resumed>) = 0 [pid 5617] <... mprotect resumed>) = 0 [pid 293] openat(AT_FDCWD, "./4645", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5618] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5618] <... futex resumed>) = 0 [pid 5617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] <... openat resumed>) = 3 [pid 5618] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 293] newfstatat(3, "", [pid 5618] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5619 attached [pid 5618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5619] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5617] <... clone3 resumed> => {parent_tid=[14030]}, 88) = 14030 [pid 5619] <... set_robust_list resumed>) = 0 [pid 5618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5617] rt_sigprocmask(SIG_SETMASK, [], [pid 293] getdents64(3, [pid 5619] rt_sigprocmask(SIG_SETMASK, [], [pid 5618] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5619] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5617] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] umount2("./4645/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5619] <... futex resumed>) = 0 [pid 5618] <... mprotect resumed>) = 0 [pid 5617] <... futex resumed>) = 1 [pid 5619] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5619] <... bpf resumed>) = 3 [pid 5618] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5617] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] newfstatat(AT_FDCWD, "./4645/cgroup.cpu", [pid 5619] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5619] <... futex resumed>) = 0 [pid 5618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5617] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] unlink("./4645/cgroup.cpu" [pid 5619] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32./strace-static-x86_64: Process 5620 attached ) = 0 [pid 5617] <... futex resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5620] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5619] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... clone3 resumed> => {parent_tid=[14146]}, 88) = 14146 [pid 5617] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] umount2("./4645/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5620] <... set_robust_list resumed>) = 0 [pid 5619] <... futex resumed>) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [], [pid 5617] <... futex resumed>) = 0 [pid 5620] rt_sigprocmask(SIG_SETMASK, [], [pid 5619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5619] <... bpf resumed>) = 4 [pid 5618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5617] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] newfstatat(AT_FDCWD, "./4645/binderfs", [pid 5620] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 0 [pid 5617] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5620] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5619] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5618] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] <... futex resumed>) = 0 [pid 293] unlink("./4645/binderfs" [pid 5620] <... bpf resumed>) = 3 [pid 5619] <... bpf resumed>) = 5 [pid 5617] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5615] <... bpf resumed>) = 5 [pid 5614] <... bpf resumed>) = 5 [pid 5620] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5615] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... unlink resumed>) = 0 [pid 5620] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 0 [pid 5617] close(3 [pid 5615] <... futex resumed>) = 1 [pid 5614] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... futex resumed>) = 0 [pid 293] umount2("./4645/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5620] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... close resumed>) = 0 [pid 5615] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] <... futex resumed>) = 1 [pid 5613] close(3 [pid 5612] <... futex resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5618] <... futex resumed>) = 0 [pid 5617] close(4 [pid 5614] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] <... close resumed>) = 0 [pid 5612] close(3 [pid 5620] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5618] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... close resumed>) = 0 [pid 5613] close(4 [pid 5612] <... close resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4645/cgroup", [pid 5620] <... bpf resumed>) = 0 [pid 5618] <... futex resumed>) = 0 [pid 5617] close(5 [pid 5613] <... close resumed>) = 0 [pid 5612] close(4 [pid 5620] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5617] <... close resumed>) = 0 [pid 5613] close(5 [pid 5612] <... close resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5620] <... futex resumed>) = 0 [pid 5618] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5617] close(6 [pid 5613] <... close resumed>) = 0 [pid 5612] close(5 [pid 5620] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] close(6 [pid 5612] <... close resumed>) = 0 [pid 293] unlink("./4645/cgroup" [pid 5612] close(6) = -1 EBADF (Bad file descriptor) [pid 5618] <... mprotect resumed>) = 0 [pid 5617] close(7 [pid 5612] close(7) = -1 EBADF (Bad file descriptor) [pid 5612] close(8) = -1 EBADF (Bad file descriptor) [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 5618] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5617] close(8 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(9 [pid 293] umount2("./4645/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] close(7 [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5617] close(9 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(10 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(11) = -1 EBADF (Bad file descriptor) [pid 5612] close(12) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5621 attached [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] close(8 [pid 5612] close(13 [pid 293] newfstatat(AT_FDCWD, "./4645/cgroup.net", [pid 5621] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5618] <... clone3 resumed> => {parent_tid=[14147]}, 88) = 14147 [pid 5617] close(10 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] <... set_robust_list resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(14 [pid 5613] close(9 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [], [pid 5621] rt_sigprocmask(SIG_SETMASK, [], [pid 5617] close(11 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] unlink("./4645/cgroup.net" [pid 5621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5612] close(15 [pid 5621] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] close(10 [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] close(16 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 5621] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 1 [pid 5617] close(12 [pid 5613] close(11 [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] getdents64(3, [pid 5621] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5618] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(17 [pid 5621] <... bpf resumed>) = 4 [pid 5617] close(13 [pid 5613] close(12 [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5621] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(18 [pid 293] close(3 [pid 5621] <... futex resumed>) = 1 [pid 5618] <... futex resumed>) = 0 [pid 5617] close(14 [pid 5613] close(13 [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(19 [pid 293] <... close resumed>) = 0 [pid 5620] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 1 [pid 5617] close(15 [pid 5613] close(14 [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] rmdir("./4645" [pid 5620] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5618] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(20 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(21) = -1 EBADF (Bad file descriptor) [pid 5612] close(22 [pid 293] <... rmdir resumed>) = 0 [pid 5617] close(16 [pid 5613] close(15 [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] mkdir("./4646", 0777 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(23) = -1 EBADF (Bad file descriptor) [pid 5612] close(24) = -1 EBADF (Bad file descriptor) [pid 5612] close(25) = -1 EBADF (Bad file descriptor) [pid 5612] close(26) = -1 EBADF (Bad file descriptor) [pid 5612] close(27 [pid 5617] close(17 [pid 293] <... mkdir resumed>) = 0 [pid 5613] close(16 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5617] close(18 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(28) = -1 EBADF (Bad file descriptor) [pid 5612] close(29) = -1 EBADF (Bad file descriptor) [pid 5612] exit_group(0) = ? ./strace-static-x86_64: Process 5622 attached [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5614] <... futex resumed>) = ? [pid 5613] close(17 [pid 5622] set_robust_list(0x5555568776a0, 24 [pid 5617] close(19 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5622] chdir("./4646") = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5622] setpgid(0, 0) = 0 [pid 5622] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5614] +++ exited with 0 +++ [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] +++ exited with 0 +++ [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13702 [pid 5622] <... symlink resumed>) = 0 [pid 5622] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5617] close(20 [pid 5613] close(18 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5622] <... symlink resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5622] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5617] close(21 [pid 5613] close(19 [pid 297] <... restart_syscall resumed>) = 0 [pid 5622] <... symlink resumed>) = 0 [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] write(3, "1000", 4 [pid 5617] close(22 [pid 5613] close(20 [pid 5622] <... write resumed>) = 4 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] close(3 [pid 5617] close(23 [pid 5613] close(21 [pid 5622] <... close resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4819", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5622] symlink("/dev/binderfs", "./binderfs" [pid 5617] close(24 [pid 5613] close(22 [pid 5622] <... symlink resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] close(25 [pid 5613] close(23 [pid 5622] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] openat(AT_FDCWD, "./4819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5617] close(26 [pid 5622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 297] <... openat resumed>) = 3 [pid 5622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] close(24 [pid 297] newfstatat(3, "", [pid 5622] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5617] close(27 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5622] <... mprotect resumed>) = 0 [pid 5617] close(28 [pid 5613] close(25 [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 5622] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5617] close(29 [pid 5613] close(26 [pid 5622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5623 attached [pid 5617] exit_group(0 [pid 5622] <... clone3 resumed> => {parent_tid=[13703]}, 88) = 13703 [pid 5613] close(27 [pid 297] umount2("./4819/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5623] set_robust_list(0x7fd4ce13b9a0, 24) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], [pid 5619] <... futex resumed>) = ? [pid 5617] <... exit_group resumed>) = ? [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] rt_sigprocmask(SIG_SETMASK, [], [pid 5622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5619] +++ exited with 0 +++ [pid 5622] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] +++ exited with 0 +++ [pid 5613] close(28 [pid 297] newfstatat(AT_FDCWD, "./4819/cgroup.cpu", [pid 5623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5623] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5613] close(29 [pid 297] unlink("./4819/cgroup.cpu" [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5623] <... bpf resumed>) = 3 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 5623] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] exit_group(0 [pid 295] <... restart_syscall resumed>) = 0 [pid 5623] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5616] <... futex resumed>) = ? [pid 5615] <... futex resumed>) = ? [pid 5613] <... exit_group resumed>) = ? [pid 297] umount2("./4819/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5623] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5622] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] +++ exited with 0 +++ [pid 5615] +++ exited with 0 +++ [pid 5622] <... futex resumed>) = 0 [pid 295] umount2("./4756", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5622] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5622] <... futex resumed>) = 0 [pid 5613] +++ exited with 0 +++ [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] newfstatat(AT_FDCWD, "./4819/binderfs", [pid 295] <... openat resumed>) = 3 [pid 5622] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] newfstatat(3, "", [pid 5622] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5623] <... bpf resumed>) = 0 [pid 5622] <... mprotect resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5623] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] unlink("./4819/binderfs" [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 5623] <... futex resumed>) = 0 [pid 5622] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] umount2("./4756/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5624 attached [pid 297] umount2("./4819/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4756/cgroup.cpu", [pid 294] <... restart_syscall resumed>) = 0 [pid 5624] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5622] <... clone3 resumed> => {parent_tid=[13704]}, 88) = 13704 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5624] <... set_robust_list resumed>) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], [pid 297] newfstatat(AT_FDCWD, "./4819/cgroup", [pid 295] unlink("./4756/cgroup.cpu" [pid 5624] rt_sigprocmask(SIG_SETMASK, [], [pid 5622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5622] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4819/cgroup" [pid 295] umount2("./4756/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5622] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4709", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5622] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] newfstatat(AT_FDCWD, "./4756/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4756/binderfs") = 0 [pid 297] umount2("./4819/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4756/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] <... bpf resumed>) = 4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5624] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] newfstatat(AT_FDCWD, "./4819/cgroup.net", [pid 295] newfstatat(AT_FDCWD, "./4756/cgroup", [pid 5624] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... openat resumed>) = 3 [pid 5624] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5622] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4756/cgroup" [pid 5623] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 1 [pid 297] unlink("./4819/cgroup.net" [pid 295] <... unlink resumed>) = 0 [pid 294] newfstatat(3, "", [pid 5623] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5622] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5620] <... bpf resumed>) = 5 [pid 297] <... unlink resumed>) = 0 [pid 295] umount2("./4756/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5623] <... bpf resumed>) = 5 [pid 5620] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] getdents64(3, [pid 5623] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] <... futex resumed>) = 1 [pid 5618] <... futex resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./4756/cgroup.net", [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5623] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5620] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] close(3 [pid 297] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4709/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5623] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5622] close(3 [pid 5618] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 295] unlink("./4756/cgroup.net" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... close resumed>) = 0 [pid 5618] close(4 [pid 297] rmdir("./4819" [pid 294] newfstatat(AT_FDCWD, "./4709/cgroup.cpu", [pid 295] <... unlink resumed>) = 0 [pid 5622] close(4 [pid 5618] <... close resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5622] <... close resumed>) = 0 [pid 5618] close(5 [pid 297] mkdir("./4820", 0777 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] unlink("./4709/cgroup.cpu" [pid 5622] close(5 [pid 297] <... mkdir resumed>) = 0 [pid 295] close(3 [pid 294] <... unlink resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... close resumed>) = 0 [pid 294] umount2("./4709/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5625 attached [pid 295] rmdir("./4756" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14215 [pid 294] newfstatat(AT_FDCWD, "./4709/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5625] <... set_robust_list resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 294] unlink("./4709/binderfs" [pid 5625] chdir("./4820" [pid 295] mkdir("./4757", 0777 [pid 294] <... unlink resumed>) = 0 [pid 5625] <... chdir resumed>) = 0 [pid 294] umount2("./4709/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4709/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4709/cgroup" [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... mkdir resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 5625] <... prctl resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] umount2("./4709/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5625] setpgid(0, 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4709/cgroup.net", ./strace-static-x86_64: Process 5626 attached [pid 5625] <... setpgid resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5626] set_robust_list(0x5555568776a0, 24 [pid 5625] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14031 [pid 294] unlink("./4709/cgroup.net" [pid 5626] <... set_robust_list resumed>) = 0 [pid 5625] <... symlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 5626] chdir("./4757" [pid 5625] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 294] getdents64(3, [pid 5626] <... chdir resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5625] <... symlink resumed>) = 0 [pid 294] close(3 [pid 5626] <... prctl resumed>) = 0 [pid 5625] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 294] <... close resumed>) = 0 [pid 5626] setpgid(0, 0 [pid 294] rmdir("./4709" [pid 5626] <... setpgid resumed>) = 0 [pid 5625] <... symlink resumed>) = 0 [pid 294] <... rmdir resumed>) = 0 [pid 5626] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5625] write(3, "1000", 4 [pid 5626] <... symlink resumed>) = 0 [pid 5625] <... write resumed>) = 4 [pid 5626] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5625] close(3 [pid 294] mkdir("./4710", 0777 [pid 5625] <... close resumed>) = 0 [pid 5626] <... symlink resumed>) = 0 [pid 5625] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5626] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5625] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... mkdir resumed>) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5625] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5626] <... symlink resumed>) = 0 [pid 5625] <... rt_sigaction resumed>NULL, 8) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5625] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5625] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5627 attached [], 8) = 0 [pid 5627] set_robust_list(0x5555568776a0, 24 [pid 5626] <... openat resumed>) = 3 [pid 5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13869 [pid 5627] <... set_robust_list resumed>) = 0 [pid 5626] write(3, "1000", 4./strace-static-x86_64: Process 5628 attached [pid 5627] chdir("./4710" [pid 5626] <... write resumed>) = 4 [pid 5625] <... clone3 resumed> => {parent_tid=[14216]}, 88) = 14216 [pid 5628] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5627] <... chdir resumed>) = 0 [pid 5626] close(3 [pid 5625] rt_sigprocmask(SIG_SETMASK, [], [pid 5628] <... set_robust_list resumed>) = 0 [pid 5627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5626] <... close resumed>) = 0 [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] <... prctl resumed>) = 0 [pid 5625] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] setpgid(0, 0 [pid 5626] symlink("/dev/binderfs", "./binderfs" [pid 5625] <... futex resumed>) = 0 [pid 5628] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5627] <... setpgid resumed>) = 0 [pid 5625] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] <... bpf resumed>) = 3 [pid 5627] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5626] <... symlink resumed>) = 0 [pid 5628] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... symlink resumed>) = 0 [pid 5628] <... futex resumed>) = 1 [pid 5627] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5626] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... futex resumed>) = 0 [pid 5628] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] <... symlink resumed>) = 0 [pid 5626] <... futex resumed>) = 0 [pid 5625] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5627] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5625] <... futex resumed>) = 0 [pid 5628] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5627] <... symlink resumed>) = 0 [pid 5626] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5625] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5625] <... futex resumed>) = 0 [pid 5628] <... bpf resumed>) = 0 [pid 5627] <... openat resumed>) = 3 [pid 5626] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5628] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] write(3, "1000", 4 [pid 5626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5625] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5628] <... futex resumed>) = 0 [pid 5627] <... write resumed>) = 4 [pid 5626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5625] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5628] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] close(3 [pid 5626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5625] <... mprotect resumed>) = 0 [pid 5627] <... close resumed>) = 0 [pid 5626] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5627] symlink("/dev/binderfs", "./binderfs" [pid 5625] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5627] <... symlink resumed>) = 0 [pid 5626] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5629 attached [pid 5627] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... mprotect resumed>) = 0 [pid 5627] <... futex resumed>) = 0 [pid 5625] <... clone3 resumed> => {parent_tid=[14217]}, 88) = 14217 [pid 5627] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5625] rt_sigprocmask(SIG_SETMASK, [], [pid 5629] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5627] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5626] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5629] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5626] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5625] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5625] <... futex resumed>) = 0 [pid 5627] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5630 attached [pid 5629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5627] <... mprotect resumed>) = 0 [pid 5625] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5630] <... set_robust_list resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5630] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5631 attached [pid 5630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5629] <... bpf resumed>) = 4 [pid 5626] <... clone3 resumed> => {parent_tid=[14032]}, 88) = 14032 [pid 5631] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5630] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... clone3 resumed> => {parent_tid=[13870]}, 88) = 13870 [pid 5626] rt_sigprocmask(SIG_SETMASK, [], [pid 5631] <... set_robust_list resumed>) = 0 [pid 5629] <... futex resumed>) = 1 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], [pid 5626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5631] rt_sigprocmask(SIG_SETMASK, [], [pid 5629] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5630] <... futex resumed>) = 0 [pid 5627] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 1 [pid 5625] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5630] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5627] <... futex resumed>) = 0 [pid 5626] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] <... bpf resumed>) = 3 [pid 5630] <... bpf resumed>) = 3 [pid 5628] <... futex resumed>) = 0 [pid 5627] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] <... futex resumed>) = 1 [pid 5622] <... close resumed>) = 0 [pid 5618] <... close resumed>) = 0 [pid 5631] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5622] close(6 [pid 5618] close(6 [pid 5631] <... futex resumed>) = 0 [pid 5630] <... futex resumed>) = 1 [pid 5627] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 0 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5630] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] <... futex resumed>) = 0 [pid 5626] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(7 [pid 5631] <... bpf resumed>) = 0 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5627] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 0 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] close(7 [pid 5631] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5627] <... futex resumed>) = 0 [pid 5626] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(8 [pid 5631] <... futex resumed>) = 0 [pid 5630] <... bpf resumed>) = 0 [pid 5627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5626] <... futex resumed>) = 0 [pid 5622] close(8 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(9 [pid 5630] <... futex resumed>) = 0 [pid 5627] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] <... mprotect resumed>) = 0 [pid 5626] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5622] close(9 [pid 5618] close(10 [pid 5627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5626] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5626] <... mprotect resumed>) = 0 [pid 5622] close(10 [pid 5618] close(11 [pid 5627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5632 attached [], 8) = 0 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(12 [pid 5632] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5627] <... clone3 resumed> => {parent_tid=[13871]}, 88) = 13871 [pid 5626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5622] close(11 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], [pid 5618] close(13./strace-static-x86_64: Process 5633 attached [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5632] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... clone3 resumed> => {parent_tid=[14033]}, 88) = 14033 [pid 5622] close(12 [pid 5618] close(14 [pid 5633] <... set_robust_list resumed>) = 0 [pid 5632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] <... futex resumed>) = 0 [pid 5626] rt_sigprocmask(SIG_SETMASK, [], [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] rt_sigprocmask(SIG_SETMASK, [], [pid 5632] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5627] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] close(15 [pid 5633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5622] close(13 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] close(16) = -1 EBADF (Bad file descriptor) [pid 5632] <... bpf resumed>) = 4 [pid 5626] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] close(17 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] <... futex resumed>) = 0 [pid 5632] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 1 [pid 5622] close(14 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5632] <... futex resumed>) = 1 [pid 5627] <... futex resumed>) = 0 [pid 5626] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(18 [pid 5633] <... bpf resumed>) = 4 [pid 5632] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] close(15 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... futex resumed>) = 0 [pid 5627] <... futex resumed>) = 1 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(19 [pid 5633] <... futex resumed>) = 1 [pid 5631] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5627] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5626] <... futex resumed>) = 0 [pid 5622] close(16 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(20) = -1 EBADF (Bad file descriptor) [pid 5618] close(21 [pid 5630] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5622] close(17 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5626] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(22 [pid 5622] close(18 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(23) = -1 EBADF (Bad file descriptor) [pid 5618] close(24 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] close(19 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(25 [pid 5622] close(20 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(26) = -1 EBADF (Bad file descriptor) [pid 5618] close(27 [pid 5622] close(21 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(28 [pid 5622] close(22 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] close(29 [pid 5622] close(23 [pid 5618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] exit_group(0 [pid 5622] close(24 [pid 5621] <... futex resumed>) = ? [pid 5620] <... futex resumed>) = ? [pid 5618] <... exit_group resumed>) = ? [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] +++ exited with 0 +++ [pid 5620] +++ exited with 0 +++ [pid 5618] +++ exited with 0 +++ [pid 5622] close(25 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 5622] close(26 [pid 296] <... restart_syscall resumed>) = 0 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] close(27) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4789", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5622] close(28 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] openat(AT_FDCWD, "./4789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5622] close(29 [pid 296] <... openat resumed>) = 3 [pid 5622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5622] exit_group(0 [pid 296] getdents64(3, [pid 5624] <... futex resumed>) = ? [pid 5623] <... futex resumed>) = ? [pid 5622] <... exit_group resumed>) = ? [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5624] +++ exited with 0 +++ [pid 5623] +++ exited with 0 +++ [pid 296] umount2("./4789/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4789/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4789/cgroup.cpu") = 0 [pid 5622] +++ exited with 0 +++ [pid 296] umount2("./4789/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4789/binderfs", [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 296] unlink("./4789/binderfs") = 0 [pid 296] umount2("./4789/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4789/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4789/cgroup") = 0 [pid 296] umount2("./4789/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] <... restart_syscall resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4789/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4789/cgroup.net") = 0 [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 293] umount2("./4646", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./4789" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./4790", 0777 [pid 293] openat(AT_FDCWD, "./4646", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... openat resumed>) = 3 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14148 ./strace-static-x86_64: Process 5634 attached [pid 293] newfstatat(3, "", [pid 5634] set_robust_list(0x5555568776a0, 24 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5634] <... set_robust_list resumed>) = 0 [pid 293] getdents64(3, [pid 5634] chdir("./4790" [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5634] <... chdir resumed>) = 0 [pid 293] umount2("./4646/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] <... prctl resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4646/cgroup.cpu", [pid 5634] setpgid(0, 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5634] <... setpgid resumed>) = 0 [pid 293] unlink("./4646/cgroup.cpu" [pid 5634] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 293] <... unlink resumed>) = 0 [pid 5634] <... symlink resumed>) = 0 [pid 293] umount2("./4646/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] <... symlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4646/binderfs", [pid 5634] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5634] <... symlink resumed>) = 0 [pid 293] unlink("./4646/binderfs" [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 293] <... unlink resumed>) = 0 [pid 5634] <... openat resumed>) = 3 [pid 293] umount2("./4646/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] write(3, "1000", 4 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] <... write resumed>) = 4 [pid 293] newfstatat(AT_FDCWD, "./4646/cgroup", [pid 5634] close(3) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5634] symlink("/dev/binderfs", "./binderfs" [pid 293] unlink("./4646/cgroup" [pid 5634] <... symlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5634] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] umount2("./4646/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] <... futex resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 293] newfstatat(AT_FDCWD, "./4646/cgroup.net", [pid 5634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 293] unlink("./4646/cgroup.net" [pid 5634] <... mmap resumed>) = 0x7fd4ce11b000 [pid 293] <... unlink resumed>) = 0 [pid 5634] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 293] getdents64(3, [pid 5634] <... mprotect resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] close(3 [pid 5634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 293] <... close resumed>) = 0 ./strace-static-x86_64: Process 5635 attached [pid 293] rmdir("./4646" [pid 5635] set_robust_list(0x7fd4ce13b9a0, 24) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [], [pid 5634] <... clone3 resumed> => {parent_tid=[14149]}, 88) = 14149 [pid 5635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5635] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] <... rmdir resumed>) = 0 [pid 5634] rt_sigprocmask(SIG_SETMASK, [], [pid 293] mkdir("./4647", 0777 [pid 5634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 5634] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... bpf resumed>) = 5 [pid 5630] <... bpf resumed>) = 5 [pid 5628] <... bpf resumed>) = 5 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5635] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = 1 [pid 5631] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5631] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 1 [pid 5627] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5636 attached [pid 5635] <... bpf resumed>) = 3 [pid 5634] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] <... futex resumed>) = 1 [pid 5627] close(3 [pid 5626] <... futex resumed>) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5636] set_robust_list(0x5555568776a0, 24 [pid 5635] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5628] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] <... close resumed>) = 0 [pid 5626] close(3 [pid 5625] close(3 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13705 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5635] <... futex resumed>) = 0 [pid 5634] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] close(4 [pid 5626] <... close resumed>) = 0 [pid 5636] chdir("./4647" [pid 5635] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5634] <... futex resumed>) = 0 [pid 5627] <... close resumed>) = 0 [pid 5626] close(4 [pid 5625] <... close resumed>) = 0 [pid 5636] <... chdir resumed>) = 0 [pid 5635] <... bpf resumed>) = 0 [pid 5634] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] close(5 [pid 5626] <... close resumed>) = 0 [pid 5625] close(4 [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5635] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = 0 [pid 5627] <... close resumed>) = 0 [pid 5626] close(5 [pid 5625] <... close resumed>) = 0 [pid 5636] <... prctl resumed>) = 0 [pid 5635] <... futex resumed>) = 0 [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5627] close(6 [pid 5626] <... close resumed>) = 0 [pid 5625] close(5 [pid 5636] setpgid(0, 0 [pid 5635] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(6 [pid 5636] <... setpgid resumed>) = 0 [pid 5634] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5627] close(7 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = 0 [pid 5636] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5634] <... mprotect resumed>) = 0 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(7 [pid 5625] close(6 [pid 5636] <... symlink resumed>) = 0 [pid 5634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5627] close(8 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(8 [pid 5625] close(7 [pid 5636] <... symlink resumed>) = 0 [pid 5627] close(9 [pid 5636] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... symlink resumed>) = 0 [pid 5627] close(10./strace-static-x86_64: Process 5637 attached [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(9 [pid 5625] close(8 [pid 5637] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5636] <... openat resumed>) = 3 [pid 5634] <... clone3 resumed> => {parent_tid=[14150]}, 88) = 14150 [pid 5627] close(11 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5637] <... set_robust_list resumed>) = 0 [pid 5636] write(3, "1000", 4 [pid 5634] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(10 [pid 5625] close(9 [pid 5637] rt_sigprocmask(SIG_SETMASK, [], [pid 5636] <... write resumed>) = 4 [pid 5634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] close(12 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5636] close(3 [pid 5634] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(11 [pid 5625] close(10 [pid 5637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5636] <... close resumed>) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5627] close(13 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5637] <... bpf resumed>) = 4 [pid 5636] symlink("/dev/binderfs", "./binderfs" [pid 5634] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(12 [pid 5625] close(11 [pid 5637] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... symlink resumed>) = 0 [pid 5627] close(14 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5637] <... futex resumed>) = 0 [pid 5636] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(13 [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5637] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = 1 [pid 5627] close(15 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] close(12 [pid 5636] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5635] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5634] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(14 [pid 5636] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5627] close(16 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(15 [pid 5625] close(13 [pid 5636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] close(17 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(16 [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5627] close(18 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(17 [pid 5625] close(14 [pid 5636] <... mprotect resumed>) = 0 [pid 5627] close(19 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5627] close(20 [pid 5626] close(18 [pid 5625] close(15 [pid 5636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5638 attached [pid 5627] close(21 [pid 5626] close(19 [pid 5625] close(16 [pid 5638] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5636] <... clone3 resumed> => {parent_tid=[13706]}, 88) = 13706 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5638] <... set_robust_list resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] close(22 [pid 5626] close(20 [pid 5625] close(17 [pid 5638] rt_sigprocmask(SIG_SETMASK, [], [pid 5636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5636] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] close(23 [pid 5636] <... futex resumed>) = 0 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(21 [pid 5625] close(18 [pid 5638] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5636] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] close(24 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5638] <... bpf resumed>) = 3 [pid 5627] close(25 [pid 5626] close(22 [pid 5625] close(19 [pid 5638] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] close(26 [pid 5626] close(23 [pid 5625] close(20 [pid 5638] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5638] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... futex resumed>) = 0 [pid 5627] close(27 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(24 [pid 5625] close(21 [pid 5638] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5636] <... futex resumed>) = 0 [pid 5627] close(28 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] close(29 [pid 5638] <... bpf resumed>) = 0 [pid 5636] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(25 [pid 5625] close(22 [pid 5638] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5627] exit_group(0 [pid 5638] <... futex resumed>) = 0 [pid 5636] <... mprotect resumed>) = 0 [pid 5632] <... futex resumed>) = ? [pid 5631] <... futex resumed>) = ? [pid 5627] <... exit_group resumed>) = ? [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5638] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5632] +++ exited with 0 +++ [pid 5631] +++ exited with 0 +++ [pid 5627] +++ exited with 0 +++ [pid 5626] close(26 [pid 5625] close(23 [pid 5636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5626] close(27 [pid 5625] close(24./strace-static-x86_64: Process 5639 attached [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5636] <... clone3 resumed> => {parent_tid=[13707]}, 88) = 13707 [pid 5626] close(28 [pid 5625] close(25 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [], [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5636] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] rt_sigprocmask(SIG_SETMASK, [], [pid 5636] <... futex resumed>) = 0 [pid 5625] close(26 [pid 5639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5636] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] close(29 [pid 294] umount2("./4710", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5639] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... bpf resumed>) = 4 [pid 5626] exit_group(0 [pid 5625] close(27 [pid 294] openat(AT_FDCWD, "./4710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = ? [pid 5630] <... futex resumed>) = ? [pid 5626] <... exit_group resumed>) = ? [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] +++ exited with 0 +++ [pid 5630] +++ exited with 0 +++ [pid 5625] close(28 [pid 294] <... openat resumed>) = 3 [pid 5626] +++ exited with 0 +++ [pid 5639] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(3, "", [pid 5639] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] close(29 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14031, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 5638] <... futex resumed>) = 0 [pid 5636] <... futex resumed>) = 1 [pid 5638] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5636] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4757", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5625] exit_group(0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] getdents64(3, [pid 295] openat(AT_FDCWD, "./4757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5629] <... futex resumed>) = ? [pid 5628] <... futex resumed>) = ? [pid 5625] <... exit_group resumed>) = ? [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5629] +++ exited with 0 +++ [pid 5628] +++ exited with 0 +++ [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4757/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4757/cgroup.cpu", [pid 5625] +++ exited with 0 +++ [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] unlink("./4757/cgroup.cpu" [pid 294] umount2("./4710/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... unlink resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 295] umount2("./4757/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5638] <... bpf resumed>) = 5 [pid 5635] <... bpf resumed>) = 5 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4757/binderfs", [pid 5638] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5634] <... futex resumed>) = 0 [pid 297] umount2("./4820", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4710/cgroup.cpu", [pid 5638] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] close(3 [pid 5635] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] close(3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4757/binderfs" [pid 5636] <... close resumed>) = 0 [pid 5634] <... close resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] close(4 [pid 5634] close(4 [pid 297] <... openat resumed>) = 3 [pid 295] umount2("./4757/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4710/cgroup.cpu" [pid 5636] <... close resumed>) = 0 [pid 5634] <... close resumed>) = 0 [pid 297] newfstatat(3, "", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] close(5 [pid 5634] close(5 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] newfstatat(AT_FDCWD, "./4757/cgroup", [pid 294] <... unlink resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] close(6 [pid 5634] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] unlink("./4757/cgroup" [pid 294] umount2("./4710/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(6 [pid 297] umount2("./4820/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 5636] close(7 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4757/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(7 [pid 297] newfstatat(AT_FDCWD, "./4820/cgroup.cpu", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4710/binderfs", [pid 5636] close(8 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4757/cgroup.net", [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(8 [pid 297] unlink("./4820/cgroup.cpu" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] close(9 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 295] unlink("./4757/cgroup.net" [pid 294] unlink("./4710/binderfs" [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(9 [pid 297] umount2("./4820/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 5636] close(10 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] getdents64(3, [pid 294] <... unlink resumed>) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4820/binderfs", [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] umount2("./4710/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5636] close(11 [pid 5634] close(10 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] close(3 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4820/binderfs" [pid 295] <... close resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] close(12 [pid 5634] close(11 [pid 297] <... unlink resumed>) = 0 [pid 295] rmdir("./4757" [pid 294] newfstatat(AT_FDCWD, "./4710/cgroup", [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4820/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... rmdir resumed>) = 0 [pid 5636] close(13 [pid 5634] close(12 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] mkdir("./4758", 0777 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4820/cgroup", [pid 295] <... mkdir resumed>) = 0 [pid 294] unlink("./4710/cgroup" [pid 5636] close(14 [pid 5634] close(13 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4820/cgroup" [pid 294] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5640 attached [pid 5636] close(15 [pid 5634] close(14 [pid 297] <... unlink resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14034 [pid 294] umount2("./4710/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5640] set_robust_list(0x5555568776a0, 24 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4820/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5640] <... set_robust_list resumed>) = 0 [pid 5636] close(16 [pid 5634] close(15 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] chdir("./4758" [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4820/cgroup.net", [pid 5640] <... chdir resumed>) = 0 [pid 5636] close(17 [pid 5634] close(16 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4710/cgroup.net", [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4820/cgroup.net" [pid 5640] <... prctl resumed>) = 0 [pid 5636] close(18 [pid 5634] close(17 [pid 297] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] setpgid(0, 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 294] unlink("./4710/cgroup.net" [pid 5640] <... setpgid resumed>) = 0 [pid 5636] close(19 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5634] close(18 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] close(3 [pid 294] <... unlink resumed>) = 0 [pid 5640] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5636] close(20 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 294] getdents64(3, [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4820" [pid 5640] <... symlink resumed>) = 0 [pid 5636] close(21 [pid 5634] close(19 [pid 297] <... rmdir resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] mkdir("./4821", 0777 [pid 5640] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5636] close(22 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... mkdir resumed>) = 0 [pid 294] close(3 [pid 5640] <... symlink resumed>) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(20 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5641 attached [pid 5640] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5636] close(23 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... close resumed>) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14218 [pid 5641] set_robust_list(0x5555568776a0, 24 [pid 5640] <... symlink resumed>) = 0 [pid 5636] close(24 [pid 5634] close(21 [pid 294] rmdir("./4710" [pid 5641] <... set_robust_list resumed>) = 0 [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(25) = -1 EBADF (Bad file descriptor) [pid 294] <... rmdir resumed>) = 0 [pid 5636] close(26 [pid 5641] chdir("./4821" [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(27) = -1 EBADF (Bad file descriptor) [pid 5640] <... openat resumed>) = 3 [pid 5636] close(28 [pid 5641] <... chdir resumed>) = 0 [pid 5640] write(3, "1000", 4 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(22 [pid 294] mkdir("./4711", 0777 [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... write resumed>) = 4 [pid 5636] close(29 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] exit_group(0 [pid 5639] <... futex resumed>) = ? [pid 5638] <... futex resumed>) = ? [pid 5636] <... exit_group resumed>) = ? [pid 294] <... mkdir resumed>) = 0 [pid 5634] close(23 [pid 5641] <... prctl resumed>) = 0 [pid 5640] close(3 [pid 5639] +++ exited with 0 +++ [pid 5638] +++ exited with 0 +++ [pid 5636] +++ exited with 0 +++ [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5641] setpgid(0, 0 [pid 5640] <... close resumed>) = 0 [pid 5634] close(24./strace-static-x86_64: Process 5642 attached [pid 5641] <... setpgid resumed>) = 0 [pid 5640] symlink("/dev/binderfs", "./binderfs" [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5642] set_robust_list(0x5555568776a0, 24) = 0 [pid 5642] chdir("./4711" [pid 5641] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5642] <... chdir resumed>) = 0 [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... symlink resumed>) = 0 [pid 5634] close(25 [pid 5642] <... prctl resumed>) = 0 [pid 5642] setpgid(0, 0 [pid 5641] <... symlink resumed>) = 0 [pid 5642] <... setpgid resumed>) = 0 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5641] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5640] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] close(26 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13872 [pid 293] umount2("./4647", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5642] <... symlink resumed>) = 0 [pid 5642] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5641] <... symlink resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] <... symlink resumed>) = 0 [pid 5641] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5640] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5634] close(27 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5642] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5641] <... symlink resumed>) = 0 [pid 5640] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] openat(AT_FDCWD, "./4647", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5642] <... symlink resumed>) = 0 [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5634] close(28 [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 293] <... openat resumed>) = 3 [pid 5642] <... openat resumed>) = 3 [pid 5641] <... openat resumed>) = 3 [pid 5640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(3, "", [pid 5642] write(3, "1000", 4 [pid 5641] write(3, "1000", 4 [pid 5640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5634] close(29 [pid 5642] <... write resumed>) = 4 [pid 5641] <... write resumed>) = 4 [pid 5640] <... mmap resumed>) = 0x7fd4ce11b000 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] close(3 [pid 5641] close(3 [pid 5640] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 293] getdents64(3, [pid 5642] <... close resumed>) = 0 [pid 5641] <... close resumed>) = 0 [pid 5634] exit_group(0 [pid 5642] symlink("/dev/binderfs", "./binderfs" [pid 5640] <... mprotect resumed>) = 0 [pid 5642] <... symlink resumed>) = 0 [pid 5641] symlink("/dev/binderfs", "./binderfs" [pid 5637] <... futex resumed>) = ? [pid 5635] <... futex resumed>) = ? [pid 5634] <... exit_group resumed>) = ? [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5642] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... symlink resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5637] +++ exited with 0 +++ [pid 5635] +++ exited with 0 +++ [pid 5642] <... futex resumed>) = 0 [pid 5642] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5634] +++ exited with 0 +++ [pid 293] umount2("./4647/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5642] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5640] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5641] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5642] <... mprotect resumed>) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5641] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, ./strace-static-x86_64: Process 5643 attached [pid 5642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5641] <... rt_sigaction resumed>NULL, 8) = 0 [pid 293] newfstatat(AT_FDCWD, "./4647/cgroup.cpu", ./strace-static-x86_64: Process 5644 attached [pid 5643] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5640] <... clone3 resumed> => {parent_tid=[14035]}, 88) = 14035 [pid 296] <... restart_syscall resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5644] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5642] <... clone3 resumed> => {parent_tid=[13873]}, 88) = 13873 [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [], [pid 293] unlink("./4647/cgroup.cpu" [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] rt_sigprocmask(SIG_SETMASK, [], [pid 5642] rt_sigprocmask(SIG_SETMASK, [], [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5644] rt_sigprocmask(SIG_SETMASK, [], [pid 5643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5640] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4790", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 5644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5643] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5642] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5640] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4647/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5644] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5643] <... bpf resumed>) = 3 [pid 5642] <... futex resumed>) = 0 [pid 5641] <... mprotect resumed>) = 0 [pid 5640] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] openat(AT_FDCWD, "./4790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5644] <... bpf resumed>) = 3 [pid 5643] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... openat resumed>) = 3 [pid 5644] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] newfstatat(3, "", [pid 293] newfstatat(AT_FDCWD, "./4647/binderfs", [pid 5644] <... futex resumed>) = 1 [pid 5643] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] <... futex resumed>) = 0 [pid 5641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5640] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5644] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5640] <... futex resumed>) = 0 [pid 296] getdents64(3, [pid 293] unlink("./4647/binderfs"./strace-static-x86_64: Process 5645 attached [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5642] <... futex resumed>) = 0 [pid 5640] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5645] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5644] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5643] <... bpf resumed>) = 0 [pid 5642] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... clone3 resumed> => {parent_tid=[14219]}, 88) = 14219 [pid 5640] <... futex resumed>) = 0 [pid 296] umount2("./4790/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5644] <... bpf resumed>) = 0 [pid 5643] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [], [pid 5640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4647/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5645] rt_sigprocmask(SIG_SETMASK, [], [pid 5644] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 0 [pid 5642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5640] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 296] newfstatat(AT_FDCWD, "./4790/cgroup.cpu", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5644] <... futex resumed>) = 0 [pid 5643] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5641] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4647/cgroup", [pid 5645] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5644] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5641] <... futex resumed>) = 0 [pid 5640] <... mprotect resumed>) = 0 [pid 296] unlink("./4790/cgroup.cpu" [pid 5645] <... bpf resumed>) = 3 [pid 5642] <... mprotect resumed>) = 0 [pid 5641] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5645] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] umount2("./4790/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4647/cgroup" [pid 5645] <... futex resumed>) = 0 [pid 5642] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5641] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5645] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] newfstatat(AT_FDCWD, "./4790/binderfs", [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5646 attached ./strace-static-x86_64: Process 5647 attached [pid 5645] <... bpf resumed>) = 0 [pid 5641] <... futex resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4647/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5647] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5646] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5645] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... clone3 resumed> => {parent_tid=[13874]}, 88) = 13874 [pid 5641] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... clone3 resumed> => {parent_tid=[14036]}, 88) = 14036 [pid 296] unlink("./4790/binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5647] <... set_robust_list resumed>) = 0 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5642] rt_sigprocmask(SIG_SETMASK, [], [pid 5641] <... futex resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4647/cgroup.net", [pid 5647] rt_sigprocmask(SIG_SETMASK, [], [pid 5646] rt_sigprocmask(SIG_SETMASK, [], [pid 5645] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] umount2("./4790/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] <... bpf resumed>) = 4 [pid 5642] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4647/cgroup.net" [pid 5647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5646] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5645] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4790/cgroup", [pid 5647] <... bpf resumed>) = 4 [pid 5645] <... futex resumed>) = 1 [pid 5642] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5647] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... bpf resumed>) = 4 [pid 5645] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] <... futex resumed>) = 0 [pid 5640] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] unlink("./4790/cgroup" [pid 293] getdents64(3, [pid 5647] <... futex resumed>) = 0 [pid 5646] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] <... unlink resumed>) = 0 [pid 5647] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... futex resumed>) = 0 [pid 5641] <... futex resumed>) = 1 [pid 5640] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4790/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5646] <... futex resumed>) = 1 [pid 5645] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5643] <... futex resumed>) = 0 [pid 5642] <... futex resumed>) = 0 [pid 5641] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5640] <... futex resumed>) = 1 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] close(3 [pid 5646] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... bpf resumed>) = 5 [pid 5643] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5642] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] newfstatat(AT_FDCWD, "./4790/cgroup.net", [pid 5645] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... futex resumed>) = 0 [pid 5643] <... bpf resumed>) = 5 [pid 5642] <... futex resumed>) = 1 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... close resumed>) = 0 [pid 5645] <... futex resumed>) = 1 [pid 5644] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5643] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5641] <... futex resumed>) = 0 [pid 296] unlink("./4790/cgroup.net" [pid 293] rmdir("./4647" [pid 5645] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] <... bpf resumed>) = 5 [pid 5643] <... futex resumed>) = 1 [pid 5641] close(3 [pid 5640] <... futex resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 5643] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] close(3 [pid 296] getdents64(3, [pid 5644] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... close resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 5644] <... futex resumed>) = 1 [pid 5642] <... futex resumed>) = 0 [pid 5641] close(4 [pid 5640] close(4 [pid 296] close(3 [pid 293] mkdir("./4648", 0777 [pid 5644] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] close(3 [pid 5641] <... close resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 5642] <... close resumed>) = 0 [pid 5640] close(5 [pid 296] rmdir("./4790" [pid 5642] close(4 [pid 5641] close(5 [pid 5640] <... close resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 5642] <... close resumed>) = 0 [pid 5640] close(6 [pid 296] mkdir("./4791", 0777 [pid 5642] close(5 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... mkdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] close(7 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5649 attached ./strace-static-x86_64: Process 5648 attached [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] set_robust_list(0x5555568776a0, 24 [pid 5648] set_robust_list(0x5555568776a0, 24 [pid 5640] close(8 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14151 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13708 [pid 5649] <... set_robust_list resumed>) = 0 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] chdir("./4791" [pid 5640] close(9 [pid 5649] <... chdir resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] chdir("./4648" [pid 5649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] close(10 [pid 5648] <... chdir resumed>) = 0 [pid 5649] <... prctl resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] setpgid(0, 0 [pid 5648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] close(11 [pid 5649] <... setpgid resumed>) = 0 [pid 5648] <... prctl resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5648] setpgid(0, 0 [pid 5640] close(12 [pid 5649] <... symlink resumed>) = 0 [pid 5648] <... setpgid resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5640] close(13 [pid 5649] <... symlink resumed>) = 0 [pid 5648] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5640] close(14 [pid 5649] <... symlink resumed>) = 0 [pid 5648] <... symlink resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5648] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5640] close(15 [pid 5649] <... openat resumed>) = 3 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] write(3, "1000", 4 [pid 5648] <... symlink resumed>) = 0 [pid 5640] close(16 [pid 5649] <... write resumed>) = 4 [pid 5648] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(3 [pid 5640] close(17 [pid 5649] <... close resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] symlink("/dev/binderfs", "./binderfs" [pid 5640] close(18 [pid 5649] <... symlink resumed>) = 0 [pid 5648] <... symlink resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] close(19 [pid 5649] <... futex resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5640] close(20 [pid 5649] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5648] <... openat resumed>) = 3 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5640] close(21 [pid 5649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5648] write(3, "1000", 4 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5648] <... write resumed>) = 4 [pid 5640] close(22 [pid 5649] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5648] close(3 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5648] <... close resumed>) = 0 [pid 5640] close(23 [pid 5649] <... mprotect resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] symlink("/dev/binderfs", "./binderfs" [pid 5649] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5640] close(24 [pid 5649] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5640] close(25./strace-static-x86_64: Process 5650 attached [pid 5648] <... symlink resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5649] <... clone3 resumed> => {parent_tid=[14152]}, 88) = 14152 [pid 5648] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] close(26 [pid 5650] <... set_robust_list resumed>) = 0 [pid 5649] rt_sigprocmask(SIG_SETMASK, [], [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] rt_sigprocmask(SIG_SETMASK, [], [pid 5649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5640] close(27 [pid 5650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5649] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... futex resumed>) = 0 [pid 5648] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5640] close(28 [pid 5650] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5649] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... bpf resumed>) = 3 [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5640] close(29 [pid 5650] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5648] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5640] exit_group(0 [pid 5649] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5650] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5647] <... futex resumed>) = ? [pid 5643] <... futex resumed>) = ? [pid 5640] <... exit_group resumed>) = ? [pid 5650] <... bpf resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5648] <... mprotect resumed>) = 0 [pid 5647] +++ exited with 0 +++ [pid 5643] +++ exited with 0 +++ [pid 5640] +++ exited with 0 +++ [pid 5650] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5650] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5650] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5649] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] umount2("./4758", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", [pid 5650] <... bpf resumed>) = 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, ./strace-static-x86_64: Process 5651 attached [pid 5650] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5651] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5650] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5648] <... clone3 resumed> => {parent_tid=[13709]}, 88) = 13709 [pid 295] umount2("./4758/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5651] <... set_robust_list resumed>) = 0 [pid 5650] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] rt_sigprocmask(SIG_SETMASK, [], [pid 5650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... futex resumed>) = 0 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], [pid 295] newfstatat(AT_FDCWD, "./4758/cgroup.cpu", [pid 5651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5650] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5649] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5651] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4758/cgroup.cpu" [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... futex resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5651] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5648] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] umount2("./4758/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5651] <... bpf resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4758/binderfs", [pid 5651] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5651] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4758/binderfs" [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... futex resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5651] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 295] umount2("./4758/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5651] <... bpf resumed>) = 0 [pid 5648] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4758/cgroup", [pid 5651] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5651] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] unlink("./4758/cgroup" [pid 5648] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] <... unlink resumed>) = 0 [pid 5648] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] umount2("./4758/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5648] <... mprotect resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4758/cgroup.net", [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] unlink("./4758/cgroup.net" [pid 5648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4758"./strace-static-x86_64: Process 5652 attached ) = 0 [pid 5652] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5648] <... clone3 resumed> => {parent_tid=[13710]}, 88) = 13710 [pid 295] mkdir("./4759", 0777 [pid 5652] <... set_robust_list resumed>) = 0 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... mkdir resumed>) = 0 [pid 5652] rt_sigprocmask(SIG_SETMASK, [], [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5648] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14037 ./strace-static-x86_64: Process 5653 attached [pid 5652] <... bpf resumed>) = 4 [pid 5648] <... futex resumed>) = 0 [pid 5642] <... close resumed>) = 0 [pid 5641] <... close resumed>) = 0 [pid 5653] set_robust_list(0x5555568776a0, 24 [pid 5652] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] close(6 [pid 5641] close(6 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5652] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5652] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] close(7) = -1 EBADF (Bad file descriptor) [pid 5653] chdir("./4759" [pid 5642] close(8 [pid 5641] close(7 [pid 5648] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... chdir resumed>) = 0 [pid 5651] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = 1 [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5651] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5642] close(9 [pid 5653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5648] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5641] close(8 [pid 5653] <... prctl resumed>) = 0 [pid 5642] close(10) = -1 EBADF (Bad file descriptor) [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] close(11) = -1 EBADF (Bad file descriptor) [pid 5642] close(12) = -1 EBADF (Bad file descriptor) [pid 5653] setpgid(0, 0 [pid 5642] close(13 [pid 5653] <... setpgid resumed>) = 0 [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5641] close(9 [pid 5642] close(14 [pid 5653] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] close(15) = -1 EBADF (Bad file descriptor) [pid 5653] <... symlink resumed>) = 0 [pid 5642] close(16) = -1 EBADF (Bad file descriptor) [pid 5641] close(10 [pid 5653] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5642] close(17 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... symlink resumed>) = 0 [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5641] close(11 [pid 5653] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5642] close(18 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] close(19) = -1 EBADF (Bad file descriptor) [pid 5642] close(20) = -1 EBADF (Bad file descriptor) [pid 5642] close(21 [pid 5653] <... symlink resumed>) = 0 [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5642] close(22 [pid 5641] close(12 [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... openat resumed>) = 3 [pid 5642] close(23 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] write(3, "1000", 4 [pid 5642] close(24 [pid 5641] close(13 [pid 5653] <... write resumed>) = 4 [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(3 [pid 5642] close(25 [pid 5653] <... close resumed>) = 0 [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5641] close(14 [pid 5653] symlink("/dev/binderfs", "./binderfs" [pid 5642] close(26 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] close(27) = -1 EBADF (Bad file descriptor) [pid 5642] close(28) = -1 EBADF (Bad file descriptor) [pid 5653] <... symlink resumed>) = 0 [pid 5642] close(29 [pid 5641] close(15 [pid 5653] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... futex resumed>) = 0 [pid 5642] exit_group(0 [pid 5641] close(16 [pid 5653] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5646] <... futex resumed>) = ? [pid 5644] <... futex resumed>) = ? [pid 5642] <... exit_group resumed>) = ? [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5646] +++ exited with 0 +++ [pid 5644] +++ exited with 0 +++ [pid 5642] +++ exited with 0 +++ [pid 5641] close(17 [pid 5653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] close(18 [pid 5653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5641] close(19 [pid 5653] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 294] umount2("./4711", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... mprotect resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5641] close(20 [pid 5653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5641] close(21 [pid 294] openat(AT_FDCWD, "./4711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5654 attached [pid 5641] close(22 [pid 294] newfstatat(3, "", [pid 5654] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5653] <... clone3 resumed> => {parent_tid=[14038]}, 88) = 14038 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5654] <... set_robust_list resumed>) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], [pid 5641] close(23 [pid 294] getdents64(3, [pid 5654] rt_sigprocmask(SIG_SETMASK, [], [pid 5653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5653] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] close(24 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5654] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5653] <... futex resumed>) = 0 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4711/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5654] <... bpf resumed>) = 3 [pid 5653] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] close(25 [pid 5654] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5654] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4711/cgroup.cpu", [pid 5654] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] close(26 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... futex resumed>) = 0 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5654] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 5653] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] close(27 [pid 294] unlink("./4711/cgroup.cpu" [pid 5654] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... futex resumed>) = 0 [pid 5654] <... futex resumed>) = 0 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] close(28 [pid 294] <... unlink resumed>) = 0 [pid 5653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4711/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5641] close(29 [pid 5653] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... mprotect resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4711/binderfs", [pid 5641] exit_group(0 [pid 5653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5641] <... exit_group resumed>) = ? [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5645] +++ exited with 0 +++ [pid 5641] +++ exited with 0 +++ [pid 294] unlink("./4711/binderfs"./strace-static-x86_64: Process 5655 attached [pid 5655] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [], [pid 5653] <... clone3 resumed> => {parent_tid=[14039]}, 88) = 14039 [pid 294] <... unlink resumed>) = 0 [pid 5655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14218, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] umount2("./4711/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5655] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] rt_sigprocmask(SIG_SETMASK, [], [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5653] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 5655] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = 1 [pid 294] newfstatat(AT_FDCWD, "./4711/cgroup", [pid 5655] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5653] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5655] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] umount2("./4821", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4711/cgroup" [pid 5655] <... futex resumed>) = 0 [pid 5653] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5655] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... unlink resumed>) = 0 [pid 5654] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = 1 [pid 297] openat(AT_FDCWD, "./4821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] umount2("./4711/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5653] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... openat resumed>) = 3 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(3, "", [pid 294] newfstatat(AT_FDCWD, "./4711/cgroup.net", [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] getdents64(3, [pid 294] unlink("./4711/cgroup.net" [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4821/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] getdents64(3, [pid 297] newfstatat(AT_FDCWD, "./4821/cgroup.cpu", [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] close(3 [pid 297] unlink("./4821/cgroup.cpu" [pid 294] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 294] rmdir("./4711" [pid 297] umount2("./4821/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... rmdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4821/binderfs", [pid 294] mkdir("./4712", 0777 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 297] unlink("./4821/binderfs" [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5656 attached [pid 297] umount2("./4821/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5656] set_robust_list(0x5555568776a0, 24 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13875 [pid 5656] <... set_robust_list resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4821/cgroup", [pid 5656] chdir("./4712" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5656] <... chdir resumed>) = 0 [pid 5656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] unlink("./4821/cgroup" [pid 5656] <... prctl resumed>) = 0 [pid 5656] setpgid(0, 0) = 0 [pid 297] <... unlink resumed>) = 0 [pid 5656] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 297] umount2("./4821/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5656] <... symlink resumed>) = 0 [pid 5656] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5656] <... symlink resumed>) = 0 [pid 5656] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 297] newfstatat(AT_FDCWD, "./4821/cgroup.net", [pid 5656] <... symlink resumed>) = 0 [pid 5656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5656] write(3, "1000", 4 [pid 297] unlink("./4821/cgroup.net" [pid 5656] <... write resumed>) = 4 [pid 5656] close(3) = 0 [pid 297] <... unlink resumed>) = 0 [pid 5656] symlink("/dev/binderfs", "./binderfs" [pid 297] getdents64(3, [pid 5656] <... symlink resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5656] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5656] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 297] close(3 [pid 5656] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 297] <... close resumed>) = 0 [pid 5656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 297] rmdir("./4821" [pid 5656] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 5656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 297] mkdir("./4822", 0777./strace-static-x86_64: Process 5657 attached [pid 5656] <... clone3 resumed> => {parent_tid=[13876]}, 88) = 13876 [pid 5656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5656] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5657] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5656] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... mkdir resumed>) = 0 [pid 5657] <... set_robust_list resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5657] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5658 attached [pid 5658] set_robust_list(0x5555568776a0, 24 [pid 5657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5654] <... bpf resumed>) = 5 [pid 5651] <... bpf resumed>) = 5 [pid 5650] <... bpf resumed>) = 5 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14220 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5657] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5654] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] chdir("./4822" [pid 5657] <... bpf resumed>) = 3 [pid 5654] <... futex resumed>) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5651] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5658] <... chdir resumed>) = 0 [pid 5657] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] close(3 [pid 5651] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] close(3 [pid 5648] close(3 [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5657] <... futex resumed>) = 1 [pid 5656] <... futex resumed>) = 0 [pid 5653] <... close resumed>) = 0 [pid 5649] <... close resumed>) = 0 [pid 5648] <... close resumed>) = 0 [pid 5658] <... prctl resumed>) = 0 [pid 5657] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5656] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] close(4 [pid 5649] close(4 [pid 5648] close(4 [pid 5658] setpgid(0, 0 [pid 5657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5656] <... futex resumed>) = 0 [pid 5653] <... close resumed>) = 0 [pid 5649] <... close resumed>) = 0 [pid 5648] <... close resumed>) = 0 [pid 5658] <... setpgid resumed>) = 0 [pid 5657] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5656] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] close(5 [pid 5649] close(5 [pid 5648] close(5 [pid 5658] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5657] <... bpf resumed>) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5653] <... close resumed>) = 0 [pid 5656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5653] close(6 [pid 5658] <... symlink resumed>) = 0 [pid 5657] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5657] <... futex resumed>) = 0 [pid 5656] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5653] close(7 [pid 5656] <... mprotect resumed>) = 0 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... symlink resumed>) = 0 [pid 5657] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5653] close(8 [pid 5658] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5653] close(9./strace-static-x86_64: Process 5659 attached [pid 5658] <... symlink resumed>) = 0 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... clone3 resumed> => {parent_tid=[13877]}, 88) = 13877 [pid 5653] close(10 [pid 5659] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5656] rt_sigprocmask(SIG_SETMASK, [], [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] <... set_robust_list resumed>) = 0 [pid 5656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5653] close(11 [pid 5659] rt_sigprocmask(SIG_SETMASK, [], [pid 5658] <... openat resumed>) = 3 [pid 5656] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] write(3, "1000", 4 [pid 5656] <... futex resumed>) = 0 [pid 5653] close(12 [pid 5659] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5658] <... write resumed>) = 4 [pid 5656] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(13) = -1 EBADF (Bad file descriptor) [pid 5653] close(14) = -1 EBADF (Bad file descriptor) [pid 5653] close(15) = -1 EBADF (Bad file descriptor) [pid 5659] <... bpf resumed>) = 4 [pid 5658] close(3 [pid 5659] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] close(16 [pid 5659] <... futex resumed>) = 1 [pid 5658] <... close resumed>) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] symlink("/dev/binderfs", "./binderfs" [pid 5656] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] close(17 [pid 5656] <... futex resumed>) = 1 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5653] close(18) = -1 EBADF (Bad file descriptor) [pid 5653] close(19) = -1 EBADF (Bad file descriptor) [pid 5658] <... symlink resumed>) = 0 [pid 5653] close(20 [pid 5657] <... futex resumed>) = 0 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5658] <... futex resumed>) = 0 [pid 5653] close(21 [pid 5658] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5653] close(22 [pid 5658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5653] close(23 [pid 5658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5653] close(24 [pid 5658] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... mprotect resumed>) = 0 [pid 5653] close(25) = -1 EBADF (Bad file descriptor) [pid 5653] close(26) = -1 EBADF (Bad file descriptor) [pid 5658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5653] close(27) = -1 EBADF (Bad file descriptor) [pid 5658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5653] close(28 [pid 5658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(29) = -1 EBADF (Bad file descriptor) [pid 5653] exit_group(0./strace-static-x86_64: Process 5660 attached [pid 5655] <... futex resumed>) = ? [pid 5654] <... futex resumed>) = ? [pid 5653] <... exit_group resumed>) = ? [pid 5660] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5658] <... clone3 resumed> => {parent_tid=[14221]}, 88) = 14221 [pid 5655] +++ exited with 0 +++ [pid 5654] +++ exited with 0 +++ [pid 5653] +++ exited with 0 +++ [pid 5660] <... set_robust_list resumed>) = 0 [pid 5658] rt_sigprocmask(SIG_SETMASK, [], [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5658] <... futex resumed>) = 0 [pid 295] umount2("./4759", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5660] <... bpf resumed>) = 3 [pid 5658] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5660] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] openat(AT_FDCWD, "./4759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5660] <... futex resumed>) = 0 [pid 5658] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... openat resumed>) = 3 [pid 5660] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5658] <... futex resumed>) = 0 [pid 295] newfstatat(3, "", [pid 5660] <... bpf resumed>) = 0 [pid 5658] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5660] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = 0 [pid 295] getdents64(3, [pid 5660] <... futex resumed>) = 0 [pid 5658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5660] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 295] umount2("./4759/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5658] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5658] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] newfstatat(AT_FDCWD, "./4759/cgroup.cpu", [pid 5658] <... mprotect resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4759/cgroup.cpu" [pid 5658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] <... unlink resumed>) = 0 [pid 5658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] umount2("./4759/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4759/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4759/binderfs"./strace-static-x86_64: Process 5661 attached ) = 0 [pid 5661] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5658] <... clone3 resumed> => {parent_tid=[14222]}, 88) = 14222 [pid 295] umount2("./4759/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5661] <... set_robust_list resumed>) = 0 [pid 5658] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5661] rt_sigprocmask(SIG_SETMASK, [], [pid 295] newfstatat(AT_FDCWD, "./4759/cgroup", [pid 5661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5661] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5658] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4759/cgroup" [pid 5658] <... futex resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5658] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] umount2("./4759/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4759/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4759/cgroup.net" [pid 5661] <... bpf resumed>) = 4 [pid 295] <... unlink resumed>) = 0 [pid 5661] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] getdents64(3, [pid 5661] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5661] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] close(3 [pid 5660] <... futex resumed>) = 0 [pid 5658] <... futex resumed>) = 1 [pid 295] <... close resumed>) = 0 [pid 5660] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5658] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] rmdir("./4759") = 0 [pid 295] mkdir("./4760", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5662 attached , child_tidptr=0x555556877690) = 14040 [pid 5662] set_robust_list(0x5555568776a0, 24) = 0 [pid 5662] chdir("./4760") = 0 [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5662] setpgid(0, 0) = 0 [pid 5662] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5662] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5662] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5662] write(3, "1000", 4) = 4 [pid 5662] close(3) = 0 [pid 5662] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5662] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5662] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5662] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5663 attached [pid 5663] set_robust_list(0x7fd4ce13b9a0, 24) = 0 [pid 5662] <... clone3 resumed> => {parent_tid=[14041]}, 88) = 14041 [pid 5663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5663] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... futex resumed>) = 0 [pid 5662] <... futex resumed>) = 1 [pid 5649] <... close resumed>) = 0 [pid 5663] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5649] close(6 [pid 5662] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] <... close resumed>) = 0 [pid 5663] <... bpf resumed>) = 3 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(6 [pid 5663] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] close(7 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(7 [pid 5663] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] close(8 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] <... futex resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(8 [pid 5663] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5662] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] close(9 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] <... bpf resumed>) = 0 [pid 5662] <... futex resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(9 [pid 5663] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5649] close(10 [pid 5663] <... futex resumed>) = 0 [pid 5662] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5649] close(11 [pid 5648] close(10 [pid 5662] <... mprotect resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5649] close(12 [pid 5648] close(11 [pid 5662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5649] close(13 [pid 5648] close(12 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(14) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5664 attached [pid 5649] close(15 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(13 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5662] <... clone3 resumed> => {parent_tid=[14042]}, 88) = 14042 [pid 5649] close(16 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(14 [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5649] close(17 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5649] close(18 [pid 5648] close(15 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5662] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] close(19 [pid 5648] close(16 [pid 5664] <... futex resumed>) = 0 [pid 5662] <... futex resumed>) = 1 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5649] close(20 [pid 5664] <... bpf resumed>) = 4 [pid 5662] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(17 [pid 5664] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] close(21 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] <... futex resumed>) = 0 [pid 5662] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] close(22 [pid 5648] close(18 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] <... futex resumed>) = 0 [pid 5662] <... futex resumed>) = 1 [pid 5663] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5649] close(23 [pid 5662] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(19 [pid 5649] close(24 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(20 [pid 5649] close(25) = -1 EBADF (Bad file descriptor) [pid 5649] close(26 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(21 [pid 5649] close(27 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(22 [pid 5649] close(28 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(29 [pid 5648] close(23 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] exit_group(0 [pid 5650] <... futex resumed>) = ? [pid 5649] <... exit_group resumed>) = ? [pid 5648] close(24 [pid 5650] +++ exited with 0 +++ [pid 5649] +++ exited with 0 +++ [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5648] close(25 [pid 296] umount2("./4791", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 5648] close(26 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4791/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4791/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5648] close(27 [pid 296] unlink("./4791/cgroup.cpu" [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 296] umount2("./4791/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5648] close(28 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4791/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4791/binderfs") = 0 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4791/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4791/cgroup", [pid 5648] close(29 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4791/cgroup" [pid 5648] exit_group(0 [pid 296] <... unlink resumed>) = 0 [pid 5652] <... futex resumed>) = ? [pid 5651] <... futex resumed>) = ? [pid 5648] <... exit_group resumed>) = ? [pid 296] umount2("./4791/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5652] +++ exited with 0 +++ [pid 5651] +++ exited with 0 +++ [pid 5648] +++ exited with 0 +++ [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4791/cgroup.net", [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 296] unlink("./4791/cgroup.net" [pid 293] <... restart_syscall resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] umount2("./4648", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] close(3 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... close resumed>) = 0 [pid 293] openat(AT_FDCWD, "./4648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] rmdir("./4791" [pid 293] <... openat resumed>) = 3 [pid 296] <... rmdir resumed>) = 0 [pid 293] newfstatat(3, "", [pid 296] mkdir("./4792", 0777 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 293] getdents64(3, [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4648/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5666 attached [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14153 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5666] set_robust_list(0x5555568776a0, 24 [pid 293] newfstatat(AT_FDCWD, "./4648/cgroup.cpu", [pid 5666] <... set_robust_list resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5666] chdir("./4792" [pid 293] unlink("./4648/cgroup.cpu" [pid 5666] <... chdir resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] umount2("./4648/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5666] <... prctl resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4648/binderfs", [pid 5666] setpgid(0, 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5666] <... setpgid resumed>) = 0 [pid 293] unlink("./4648/binderfs" [pid 5666] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 293] <... unlink resumed>) = 0 [pid 293] umount2("./4648/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4648/cgroup", [pid 5666] <... symlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5666] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 293] unlink("./4648/cgroup") = 0 [pid 5666] <... symlink resumed>) = 0 [pid 293] umount2("./4648/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5666] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4648/cgroup.net", [pid 5666] <... symlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 293] unlink("./4648/cgroup.net" [pid 5666] <... openat resumed>) = 3 [pid 293] <... unlink resumed>) = 0 [pid 5666] write(3, "1000", 4 [pid 293] getdents64(3, [pid 5666] <... write resumed>) = 4 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3 [pid 5666] close(3 [pid 293] <... close resumed>) = 0 [pid 5666] <... close resumed>) = 0 [pid 293] rmdir("./4648" [pid 5666] symlink("/dev/binderfs", "./binderfs" [pid 293] <... rmdir resumed>) = 0 [pid 293] mkdir("./4649", 0777 [pid 5666] <... symlink resumed>) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 5666] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5666] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5667 attached [pid 5666] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13711 [pid 5667] set_robust_list(0x5555568776a0, 24 [pid 5666] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5667] <... set_robust_list resumed>) = 0 [pid 5666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5667] chdir("./4649" [pid 5666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] <... chdir resumed>) = 0 [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5666] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5667] <... prctl resumed>) = 0 [pid 5666] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5667] setpgid(0, 0 [pid 5666] <... mprotect resumed>) = 0 [pid 5663] <... bpf resumed>) = 5 [pid 5660] <... bpf resumed>) = 5 [pid 5657] <... bpf resumed>) = 5 [pid 5667] <... setpgid resumed>) = 0 [pid 5663] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5663] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5667] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5663] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] close(3 [pid 5660] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] close(3 [pid 5657] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... symlink resumed>) = 0 [pid 5666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5662] <... close resumed>) = 0 [pid 5658] <... close resumed>) = 0 [pid 5657] <... futex resumed>) = 1 [pid 5656] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5668 attached [pid 5667] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5662] close(4 [pid 5658] close(4 [pid 5657] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5656] close(3 [pid 5668] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5667] <... symlink resumed>) = 0 [pid 5662] <... close resumed>) = 0 [pid 5658] <... close resumed>) = 0 [pid 5656] <... close resumed>) = 0 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5667] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5666] <... clone3 resumed> => {parent_tid=[14154]}, 88) = 14154 [pid 5662] close(5 [pid 5658] close(5 [pid 5656] close(4 [pid 5668] rt_sigprocmask(SIG_SETMASK, [], [pid 5667] <... symlink resumed>) = 0 [pid 5666] rt_sigprocmask(SIG_SETMASK, [], [pid 5662] <... close resumed>) = 0 [pid 5658] <... close resumed>) = 0 [pid 5656] <... close resumed>) = 0 [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] close(6 [pid 5658] close(6 [pid 5656] close(5 [pid 5668] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... openat resumed>) = 3 [pid 5666] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = 0 [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] write(3, "1000", 4 [pid 5666] <... futex resumed>) = 0 [pid 5662] close(7 [pid 5658] close(7 [pid 5656] close(6 [pid 5668] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5667] <... write resumed>) = 4 [pid 5666] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] <... bpf resumed>) = 3 [pid 5667] close(3 [pid 5662] close(8 [pid 5658] close(8 [pid 5656] close(7 [pid 5668] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = 0 [pid 5668] <... futex resumed>) = 1 [pid 5667] symlink("/dev/binderfs", "./binderfs" [pid 5666] <... futex resumed>) = 0 [pid 5662] close(9 [pid 5658] close(9 [pid 5656] close(8 [pid 5668] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5662] close(10 [pid 5667] <... symlink resumed>) = 0 [pid 5658] close(10 [pid 5656] close(9 [pid 5666] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5667] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... futex resumed>) = 1 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5667] <... futex resumed>) = 0 [pid 5666] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] close(11 [pid 5658] close(11 [pid 5656] close(10 [pid 5668] <... bpf resumed>) = 0 [pid 5667] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5666] <... futex resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5662] close(12 [pid 5658] close(12 [pid 5656] close(11 [pid 5668] <... futex resumed>) = 0 [pid 5667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5666] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5666] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5662] close(13 [pid 5658] close(13 [pid 5656] close(12 [pid 5667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5666] <... mprotect resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5662] close(14 [pid 5658] close(14 [pid 5656] close(13 [pid 5667] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... mprotect resumed>) = 0 [pid 5666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5662] close(15 [pid 5658] close(15 [pid 5656] close(14 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5662] close(16 [pid 5658] close(16 [pid 5656] close(15./strace-static-x86_64: Process 5669 attached [pid 5667] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5666] <... clone3 resumed> => {parent_tid=[14155]}, 88) = 14155 [pid 5662] close(17 [pid 5658] close(17 [pid 5656] close(16 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5670 attached [pid 5669] rt_sigprocmask(SIG_SETMASK, [], [pid 5666] rt_sigprocmask(SIG_SETMASK, [], [pid 5662] close(18 [pid 5658] close(18 [pid 5656] close(17 [pid 5670] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] <... clone3 resumed> => {parent_tid=[13712]}, 88) = 13712 [pid 5666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... set_robust_list resumed>) = 0 [pid 5669] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] rt_sigprocmask(SIG_SETMASK, [], [pid 5666] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] close(19 [pid 5658] close(19 [pid 5656] close(18 [pid 5670] rt_sigprocmask(SIG_SETMASK, [], [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5666] <... futex resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5669] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5667] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] close(20 [pid 5658] close(20 [pid 5656] close(19 [pid 5670] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5669] <... bpf resumed>) = 4 [pid 5667] <... futex resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... bpf resumed>) = 3 [pid 5669] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] close(21 [pid 5658] close(21 [pid 5656] close(20 [pid 5670] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... futex resumed>) = 1 [pid 5667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] <... futex resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... futex resumed>) = 0 [pid 5669] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] close(22 [pid 5658] close(22 [pid 5656] close(21 [pid 5670] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5668] <... futex resumed>) = 0 [pid 5667] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... bpf resumed>) = 0 [pid 5668] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5667] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5662] close(23 [pid 5658] close(23 [pid 5656] close(22 [pid 5670] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... futex resumed>) = 0 [pid 5667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5662] close(24 [pid 5658] close(24 [pid 5656] close(23 [pid 5670] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5662] close(25 [pid 5658] close(25 [pid 5656] close(24 [pid 5667] <... mprotect resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5662] close(26 [pid 5658] close(26 [pid 5656] close(25 [pid 5667] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5662] close(27 [pid 5658] close(27 [pid 5656] close(26 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5671 attached [pid 5662] close(28 [pid 5658] close(28 [pid 5656] close(27 [pid 5671] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] <... set_robust_list resumed>) = 0 [pid 5662] close(29 [pid 5658] close(29 [pid 5656] close(28 [pid 5671] rt_sigprocmask(SIG_SETMASK, [], [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] <... clone3 resumed> => {parent_tid=[13713]}, 88) = 13713 [pid 5662] exit_group(0 [pid 5658] exit_group(0 [pid 5656] close(29 [pid 5671] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] rt_sigprocmask(SIG_SETMASK, [], [pid 5664] <... futex resumed>) = ? [pid 5663] <... futex resumed>) = ? [pid 5662] <... exit_group resumed>) = ? [pid 5661] <... futex resumed>) = ? [pid 5660] <... futex resumed>) = ? [pid 5658] <... exit_group resumed>) = ? [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5664] +++ exited with 0 +++ [pid 5663] +++ exited with 0 +++ [pid 5662] +++ exited with 0 +++ [pid 5661] +++ exited with 0 +++ [pid 5660] +++ exited with 0 +++ [pid 5658] +++ exited with 0 +++ [pid 5656] exit_group(0 [pid 5667] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... futex resumed>) = ? [pid 5657] <... futex resumed>) = ? [pid 5656] <... exit_group resumed>) = ? [pid 5657] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5659] +++ exited with 0 +++ [pid 5671] <... futex resumed>) = 0 [pid 5667] <... futex resumed>) = 1 [pid 5656] +++ exited with 0 +++ [pid 5671] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5667] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5671] <... bpf resumed>) = 4 [pid 297] umount2("./4822", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... restart_syscall resumed>) = 0 [pid 5671] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5671] <... futex resumed>) = 1 [pid 5667] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 5671] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./4760", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5670] <... futex resumed>) = 0 [pid 5667] <... futex resumed>) = 1 [pid 297] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... restart_syscall resumed>) = 0 [pid 5670] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5667] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] newfstatat(3, "", [pid 295] openat(AT_FDCWD, "./4760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... openat resumed>) = 3 [pid 297] getdents64(3, [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] getdents64(3, [pid 294] umount2("./4712", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4822/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4760/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4822/cgroup.cpu", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4760/cgroup.cpu", [pid 294] openat(AT_FDCWD, "./4712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] unlink("./4822/cgroup.cpu" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... openat resumed>) = 3 [pid 295] unlink("./4760/cgroup.cpu" [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] newfstatat(3, "", [pid 295] umount2("./4760/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5670] <... bpf resumed>) = 5 [pid 5668] <... bpf resumed>) = 5 [pid 297] umount2("./4822/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5670] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4760/binderfs", [pid 5670] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 1 [pid 5667] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4822/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] getdents64(3, [pid 5670] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] close(3 [pid 5666] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4760/binderfs" [pid 5667] <... close resumed>) = 0 [pid 5666] <... close resumed>) = 0 [pid 297] unlink("./4822/binderfs" [pid 295] <... unlink resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5667] close(4 [pid 5666] close(4 [pid 295] umount2("./4760/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5667] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5667] close(5 [pid 5666] <... close resumed>) = 0 [pid 297] umount2("./4822/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4760/cgroup", [pid 294] umount2("./4712/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5667] <... close resumed>) = 0 [pid 5666] close(5 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5667] close(6 [pid 295] unlink("./4760/cgroup" [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4822/cgroup", [pid 295] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4712/cgroup.cpu", [pid 5667] close(7 [pid 5666] close(6 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4760/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4822/cgroup" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5667] close(8 [pid 5666] close(7 [pid 295] newfstatat(AT_FDCWD, "./4760/cgroup.net", [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4712/cgroup.cpu" [pid 5667] close(9 [pid 5666] close(8 [pid 297] umount2("./4822/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4760/cgroup.net" [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 5667] close(10 [pid 5666] close(9 [pid 297] newfstatat(AT_FDCWD, "./4822/cgroup.net", [pid 295] getdents64(3, [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] umount2("./4712/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5667] close(11 [pid 5666] close(10 [pid 297] unlink("./4822/cgroup.net" [pid 295] close(3 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... close resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5667] close(12 [pid 5666] close(11 [pid 297] <... unlink resumed>) = 0 [pid 295] rmdir("./4760" [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 295] <... rmdir resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4712/binderfs", [pid 5667] close(13 [pid 5666] close(12 [pid 295] mkdir("./4761", 0777 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5667] close(14 [pid 5666] close(13 [pid 297] close(3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] unlink("./4712/binderfs"./strace-static-x86_64: Process 5672 attached [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 5667] close(15 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14043 [pid 294] <... unlink resumed>) = 0 [pid 5672] set_robust_list(0x5555568776a0, 24 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(14 [pid 297] rmdir("./4822" [pid 294] umount2("./4712/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5672] <... set_robust_list resumed>) = 0 [pid 5667] close(16 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(17) = -1 EBADF (Bad file descriptor) [pid 5667] close(18) = -1 EBADF (Bad file descriptor) [pid 5667] close(19 [pid 297] <... rmdir resumed>) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] chdir("./4761" [pid 5667] close(20 [pid 5666] close(15 [pid 5672] <... chdir resumed>) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] mkdir("./4823", 0777 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5667] close(21 [pid 5666] close(16 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(22) = -1 EBADF (Bad file descriptor) [pid 5667] close(23) = -1 EBADF (Bad file descriptor) [pid 5667] close(24) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... mkdir resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4712/cgroup", [pid 5672] <... prctl resumed>) = 0 [pid 5667] close(25 [pid 5666] close(17 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5672] setpgid(0, 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5667] close(26) = -1 EBADF (Bad file descriptor) [pid 5667] close(27) = -1 EBADF (Bad file descriptor) [pid 5667] close(28) = -1 EBADF (Bad file descriptor) [pid 5667] close(29./strace-static-x86_64: Process 5673 attached [pid 5672] <... setpgid resumed>) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(18 [pid 294] unlink("./4712/cgroup" [pid 5673] set_robust_list(0x5555568776a0, 24 [pid 5672] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5667] exit_group(0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14223 [pid 5673] <... set_robust_list resumed>) = 0 [pid 5671] <... futex resumed>) = ? [pid 5670] <... futex resumed>) = ? [pid 5667] <... exit_group resumed>) = ? [pid 294] <... unlink resumed>) = 0 [pid 5673] chdir("./4823" [pid 5672] <... symlink resumed>) = 0 [pid 5671] +++ exited with 0 +++ [pid 5670] +++ exited with 0 +++ [pid 5667] +++ exited with 0 +++ [pid 5666] close(19 [pid 294] umount2("./4712/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5673] <... chdir resumed>) = 0 [pid 5672] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5673] <... prctl resumed>) = 0 [pid 5672] <... symlink resumed>) = 0 [pid 5666] close(20 [pid 294] newfstatat(AT_FDCWD, "./4712/cgroup.net", [pid 5673] setpgid(0, 0) = 0 [pid 5673] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5672] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5673] <... symlink resumed>) = 0 [pid 5673] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5672] <... symlink resumed>) = 0 [pid 5666] close(21 [pid 294] unlink("./4712/cgroup.net" [pid 5673] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5673] <... symlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 5673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5672] <... openat resumed>) = 3 [pid 5666] close(22 [pid 294] getdents64(3, [pid 5673] write(3, "1000", 4 [pid 5672] write(3, "1000", 4 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5673] <... write resumed>) = 4 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5672] <... write resumed>) = 4 [pid 5673] close(3 [pid 5666] close(23 [pid 294] close(3 [pid 5672] close(3 [pid 5673] <... close resumed>) = 0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5673] symlink("/dev/binderfs", "./binderfs" [pid 5672] <... close resumed>) = 0 [pid 5666] close(24 [pid 294] <... close resumed>) = 0 [pid 293] umount2("./4649", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5673] <... symlink resumed>) = 0 [pid 5672] symlink("/dev/binderfs", "./binderfs" [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] rmdir("./4712" [pid 5673] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5673] <... futex resumed>) = 0 [pid 5673] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5672] <... symlink resumed>) = 0 [pid 5673] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5666] close(25 [pid 5673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 294] <... rmdir resumed>) = 0 [pid 293] openat(AT_FDCWD, "./4649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5673] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5672] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] mkdir("./4713", 0777 [pid 293] <... openat resumed>) = 3 [pid 5673] <... mprotect resumed>) = 0 [pid 5672] <... futex resumed>) = 0 [pid 5666] close(26 [pid 5673] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... mkdir resumed>) = 0 [pid 293] newfstatat(3, "", [pid 5672] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, ./strace-static-x86_64: Process 5674 attached NULL, 8) = 0 [pid 5666] close(27 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5674] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5673] <... clone3 resumed> => {parent_tid=[14224]}, 88) = 14224 [pid 5673] rt_sigprocmask(SIG_SETMASK, [], [pid 5672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] getdents64(3, [pid 5674] <... set_robust_list resumed>) = 0 [pid 5673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5673] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5673] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5675 attached [pid 5672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5666] close(28 [pid 5675] set_robust_list(0x5555568776a0, 24 [pid 5674] rt_sigprocmask(SIG_SETMASK, [], [pid 5672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13878 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5675] <... set_robust_list resumed>) = 0 [pid 5674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5672] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5666] close(29 [pid 293] umount2("./4649/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] chdir("./4713" [pid 5674] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5675] <... chdir resumed>) = 0 [pid 5672] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5674] <... bpf resumed>) = 3 [pid 5675] <... prctl resumed>) = 0 [pid 5675] setpgid(0, 0 [pid 5672] <... mprotect resumed>) = 0 [pid 5675] <... setpgid resumed>) = 0 [pid 5674] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] exit_group(0 [pid 293] newfstatat(AT_FDCWD, "./4649/cgroup.cpu", [pid 5675] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5674] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5672] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5669] <... futex resumed>) = ? [pid 5675] <... symlink resumed>) = 0 [pid 5674] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5669] +++ exited with 0 +++ [pid 5668] <... futex resumed>) = ? [pid 5666] <... exit_group resumed>) = ? [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5675] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] <... futex resumed>) = 0 [pid 5672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5668] +++ exited with 0 +++ [pid 5675] <... symlink resumed>) = 0 [pid 5673] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5673] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5676 attached [pid 5675] <... symlink resumed>) = 0 [pid 5674] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5666] +++ exited with 0 +++ [pid 293] unlink("./4649/cgroup.cpu" [pid 5676] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5673] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5676] <... set_robust_list resumed>) = 0 [pid 5675] <... openat resumed>) = 3 [pid 5674] <... bpf resumed>) = 0 [pid 5673] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5672] <... clone3 resumed> => {parent_tid=[14044]}, 88) = 14044 [pid 5676] rt_sigprocmask(SIG_SETMASK, [], [pid 5675] write(3, "1000", 4 [pid 5673] <... mprotect resumed>) = 0 [pid 5676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5675] <... write resumed>) = 4 [pid 5674] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5672] rt_sigprocmask(SIG_SETMASK, [], [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14153, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 293] <... unlink resumed>) = 0 [pid 5676] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] close(3 [pid 5674] <... futex resumed>) = 0 [pid 5673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 293] umount2("./4649/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] <... close resumed>) = 0 [pid 5674] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5672] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5677 attached [pid 5676] <... futex resumed>) = 0 [pid 5675] symlink("/dev/binderfs", "./binderfs" [pid 5672] <... futex resumed>) = 1 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5677] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5676] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5675] <... symlink resumed>) = 0 [pid 5673] <... clone3 resumed> => {parent_tid=[14225]}, 88) = 14225 [pid 5672] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] <... set_robust_list resumed>) = 0 [pid 5676] <... bpf resumed>) = 3 [pid 5675] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] rt_sigprocmask(SIG_SETMASK, [], [pid 296] umount2("./4792", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4649/binderfs", [pid 5677] rt_sigprocmask(SIG_SETMASK, [], [pid 5676] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5676] <... futex resumed>) = 1 [pid 5675] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5672] <... futex resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5677] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5676] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5672] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] openat(AT_FDCWD, "./4792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] unlink("./4649/binderfs" [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5673] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5676] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5673] <... futex resumed>) = 1 [pid 296] <... openat resumed>) = 3 [pid 5677] <... futex resumed>) = 0 [pid 5676] <... bpf resumed>) = 0 [pid 5675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5673] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(3, "", [pid 293] <... unlink resumed>) = 0 [pid 5677] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5676] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5672] <... futex resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] umount2("./4649/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5676] <... futex resumed>) = 0 [pid 5675] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5676] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... mprotect resumed>) = 0 [pid 5677] <... bpf resumed>) = 4 [pid 5675] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5677] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] getdents64(3, [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5677] <... futex resumed>) = 1 [pid 5675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5672] <... mmap resumed>) = 0x7fd4ce0fa000 ./strace-static-x86_64: Process 5678 attached [pid 5677] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] <... futex resumed>) = 0 [pid 5672] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] newfstatat(AT_FDCWD, "./4649/cgroup", [pid 5678] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5675] <... clone3 resumed> => {parent_tid=[13879]}, 88) = 13879 [pid 5672] <... mprotect resumed>) = 0 [pid 296] umount2("./4792/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5678] <... set_robust_list resumed>) = 0 [pid 5675] rt_sigprocmask(SIG_SETMASK, [], [pid 5673] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] rt_sigprocmask(SIG_SETMASK, [], [pid 5675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5672] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5675] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... futex resumed>) = 0 [pid 5673] <... futex resumed>) = 1 [pid 5672] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] newfstatat(AT_FDCWD, "./4792/cgroup.cpu", [pid 293] unlink("./4649/cgroup" [pid 5678] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5675] <... futex resumed>) = 0 [pid 5674] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5673] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5678] <... bpf resumed>) = 3 [pid 5675] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5674] <... bpf resumed>) = 5 [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5679 attached [pid 5678] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] unlink("./4792/cgroup.cpu" [pid 293] umount2("./4649/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5679] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5678] <... futex resumed>) = 0 [pid 5675] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5672] <... clone3 resumed> => {parent_tid=[14045]}, 88) = 14045 [pid 5679] <... set_robust_list resumed>) = 0 [pid 5678] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5675] <... futex resumed>) = 0 [pid 5674] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] close(3 [pid 5672] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5679] rt_sigprocmask(SIG_SETMASK, [], [pid 5675] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... close resumed>) = 0 [pid 5679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5678] <... bpf resumed>) = 0 [pid 5675] <... futex resumed>) = 0 [pid 5673] close(4 [pid 5672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] umount2("./4792/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4649/cgroup.net", [pid 5679] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5673] <... close resumed>) = 0 [pid 5672] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] <... futex resumed>) = 0 [pid 5675] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5673] close(5 [pid 5672] <... futex resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4792/binderfs", [pid 293] unlink("./4649/cgroup.net" [pid 5679] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5678] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5673] <... close resumed>) = 0 [pid 5672] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] <... bpf resumed>) = 4 [pid 5675] <... mprotect resumed>) = 0 [pid 5673] close(6 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5679] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4792/binderfs" [pid 293] getdents64(3, [pid 5679] <... futex resumed>) = 1 [pid 5675] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5673] close(7 [pid 5672] <... futex resumed>) = 0 [pid 5679] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5680 attached [pid 5673] close(8 [pid 5672] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... unlink resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5680] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5676] <... futex resumed>) = 0 [pid 5675] <... clone3 resumed> => {parent_tid=[13880]}, 88) = 13880 [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5680] <... set_robust_list resumed>) = 0 [pid 5676] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5675] rt_sigprocmask(SIG_SETMASK, [], [pid 5673] close(9 [pid 5672] <... futex resumed>) = 1 [pid 296] umount2("./4792/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] close(3 [pid 5680] rt_sigprocmask(SIG_SETMASK, [], [pid 5675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5675] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] close(10 [pid 296] newfstatat(AT_FDCWD, "./4792/cgroup", [pid 293] <... close resumed>) = 0 [pid 5680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5675] <... futex resumed>) = 0 [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] rmdir("./4649" [pid 5675] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] close(11) = -1 EBADF (Bad file descriptor) [pid 5673] close(12) = -1 EBADF (Bad file descriptor) [pid 5673] close(13 [pid 5680] <... bpf resumed>) = 4 [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5673] close(14 [pid 296] unlink("./4792/cgroup" [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5673] close(15) = -1 EBADF (Bad file descriptor) [pid 5673] close(16) = -1 EBADF (Bad file descriptor) [pid 5673] close(17 [pid 293] <... rmdir resumed>) = 0 [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5673] close(18) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 5680] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] close(19 [pid 296] umount2("./4792/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] mkdir("./4650", 0777 [pid 5680] <... futex resumed>) = 1 [pid 5675] <... futex resumed>) = 0 [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] close(20 [pid 5675] <... futex resumed>) = 1 [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5673] close(21) = -1 EBADF (Bad file descriptor) [pid 293] <... mkdir resumed>) = 0 [pid 5680] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... futex resumed>) = 0 [pid 5673] close(22 [pid 296] newfstatat(AT_FDCWD, "./4792/cgroup.net", [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5678] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5673] close(23) = -1 EBADF (Bad file descriptor) [pid 5673] close(24) = -1 EBADF (Bad file descriptor) [pid 5673] close(25) = -1 EBADF (Bad file descriptor) [pid 5673] close(26) = -1 EBADF (Bad file descriptor) [pid 5673] close(27) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5681 attached [pid 5673] close(28 [pid 296] unlink("./4792/cgroup.net" [pid 5681] set_robust_list(0x5555568776a0, 24 [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5681] <... set_robust_list resumed>) = 0 [pid 5673] close(29 [pid 5681] chdir("./4650" [pid 5673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13714 [pid 5681] <... chdir resumed>) = 0 [pid 5673] exit_group(0 [pid 296] getdents64(3, [pid 5681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] <... futex resumed>) = ? [pid 5674] <... futex resumed>) = ? [pid 5673] <... exit_group resumed>) = ? [pid 5681] <... prctl resumed>) = 0 [pid 5677] +++ exited with 0 +++ [pid 5674] +++ exited with 0 +++ [pid 5673] +++ exited with 0 +++ [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5681] setpgid(0, 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] close(3 [pid 5681] <... setpgid resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 5681] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 296] rmdir("./4792" [pid 5681] <... symlink resumed>) = 0 [pid 5681] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5681] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 296] <... rmdir resumed>) = 0 [pid 5681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] mkdir("./4793", 0777 [pid 5681] write(3, "1000", 4) = 4 [pid 5681] close(3) = 0 [pid 5681] symlink("/dev/binderfs", "./binderfs") = 0 [pid 296] <... mkdir resumed>) = 0 [pid 5681] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5681] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5681] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5681] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5682 attached [], 8) = 0 [pid 297] umount2("./4823", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14156 [pid 5682] set_robust_list(0x5555568776a0, 24 [pid 5681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5683 attached [pid 5682] <... set_robust_list resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5683] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5681] <... clone3 resumed> => {parent_tid=[13715]}, 88) = 13715 [pid 5682] chdir("./4793" [pid 5683] <... set_robust_list resumed>) = 0 [pid 5681] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... openat resumed>) = 3 [pid 5683] rt_sigprocmask(SIG_SETMASK, [], [pid 5682] <... chdir resumed>) = 0 [pid 5681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] newfstatat(3, "", [pid 5683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5681] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5681] <... futex resumed>) = 0 [pid 5681] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5682] <... prctl resumed>) = 0 [pid 297] getdents64(3, [pid 5683] <... bpf resumed>) = 3 [pid 5682] setpgid(0, 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4823/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5683] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... setpgid resumed>) = 0 [pid 5683] <... futex resumed>) = 1 [pid 5681] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5681] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5681] <... futex resumed>) = 0 [pid 5683] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5681] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] newfstatat(AT_FDCWD, "./4823/cgroup.cpu", [pid 5681] <... futex resumed>) = 0 [pid 5682] <... symlink resumed>) = 0 [pid 5681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5681] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5683] <... bpf resumed>) = 0 [pid 5681] <... mprotect resumed>) = 0 [pid 297] unlink("./4823/cgroup.cpu" [pid 5683] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5681] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5684 attached [pid 5683] <... futex resumed>) = 0 [pid 5684] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5683] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] <... symlink resumed>) = 0 [pid 5681] <... clone3 resumed> => {parent_tid=[13716]}, 88) = 13716 [pid 297] umount2("./4823/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5684] <... set_robust_list resumed>) = 0 [pid 5682] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5681] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5684] rt_sigprocmask(SIG_SETMASK, [], [pid 5681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5681] <... futex resumed>) = 0 [pid 5684] <... bpf resumed>) = 4 [pid 5682] <... symlink resumed>) = 0 [pid 5681] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] newfstatat(AT_FDCWD, "./4823/binderfs", [pid 5684] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5684] <... futex resumed>) = 0 [pid 5681] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5683] <... futex resumed>) = 0 [pid 5682] <... openat resumed>) = 3 [pid 5681] <... futex resumed>) = 1 [pid 297] unlink("./4823/binderfs" [pid 5683] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5682] write(3, "1000", 4 [pid 5681] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... unlink resumed>) = 0 [pid 5682] <... write resumed>) = 4 [pid 297] umount2("./4823/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5682] close(3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5682] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4823/cgroup", [pid 5682] symlink("/dev/binderfs", "./binderfs" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5682] <... symlink resumed>) = 0 [pid 5676] <... bpf resumed>) = 5 [pid 297] unlink("./4823/cgroup" [pid 5683] <... bpf resumed>) = 5 [pid 5682] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... bpf resumed>) = 5 [pid 5676] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... unlink resumed>) = 0 [pid 5683] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... futex resumed>) = 0 [pid 5678] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = 1 [pid 5672] <... futex resumed>) = 0 [pid 297] umount2("./4823/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5683] <... futex resumed>) = 1 [pid 5682] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5681] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 1 [pid 5676] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... futex resumed>) = 0 [pid 5672] close(3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5683] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5681] close(3 [pid 5678] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] close(3 [pid 5672] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4823/cgroup.net", [pid 5682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5681] <... close resumed>) = 0 [pid 5675] <... close resumed>) = 0 [pid 5672] close(4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] close(4 [pid 5675] close(4 [pid 5672] <... close resumed>) = 0 [pid 297] unlink("./4823/cgroup.net" [pid 5682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5681] <... close resumed>) = 0 [pid 5675] <... close resumed>) = 0 [pid 5672] close(5 [pid 297] <... unlink resumed>) = 0 [pid 5681] close(5 [pid 5682] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5675] close(5 [pid 5672] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 5682] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5672] close(6 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] close(3 [pid 5682] <... mprotect resumed>) = 0 [pid 5672] close(7 [pid 297] <... close resumed>) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4823" [pid 5682] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5672] close(8 [pid 297] <... rmdir resumed>) = 0 [pid 5682] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] mkdir("./4824", 0777 [pid 5682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5672] close(9 [pid 297] <... mkdir resumed>) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5685 attached ./strace-static-x86_64: Process 5686 attached [pid 5672] close(10 [pid 5686] set_robust_list(0x5555568776a0, 24 [pid 5685] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5682] <... clone3 resumed> => {parent_tid=[14157]}, 88) = 14157 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14226 [pid 5686] <... set_robust_list resumed>) = 0 [pid 5685] <... set_robust_list resumed>) = 0 [pid 5682] rt_sigprocmask(SIG_SETMASK, [], [pid 5672] close(11) = -1 EBADF (Bad file descriptor) [pid 5686] chdir("./4824" [pid 5685] rt_sigprocmask(SIG_SETMASK, [], [pid 5682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5672] close(12 [pid 5686] <... chdir resumed>) = 0 [pid 5685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5682] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5672] close(13 [pid 5685] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5686] <... prctl resumed>) = 0 [pid 5682] <... futex resumed>) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... bpf resumed>) = 3 [pid 5672] close(14 [pid 5686] setpgid(0, 0 [pid 5685] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... setpgid resumed>) = 0 [pid 5685] <... futex resumed>) = 0 [pid 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5672] close(15 [pid 5686] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5682] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5682] <... futex resumed>) = 0 [pid 5672] close(16) = -1 EBADF (Bad file descriptor) [pid 5686] <... symlink resumed>) = 0 [pid 5672] close(17 [pid 5682] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... bpf resumed>) = 0 [pid 5682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5672] close(18 [pid 5686] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5685] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] close(19) = -1 EBADF (Bad file descriptor) [pid 5686] <... symlink resumed>) = 0 [pid 5672] close(20 [pid 5682] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5686] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5685] <... futex resumed>) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... mprotect resumed>) = 0 [pid 5672] close(21) = -1 EBADF (Bad file descriptor) [pid 5672] close(22 [pid 5686] <... symlink resumed>) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5685] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5672] close(23) = -1 EBADF (Bad file descriptor) [pid 5672] close(24 [pid 5686] <... openat resumed>) = 3 [pid 5682] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] write(3, "1000", 4 [pid 5682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5672] close(25 [pid 5686] <... write resumed>) = 4 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] close(26) = -1 EBADF (Bad file descriptor) [pid 5672] close(27./strace-static-x86_64: Process 5687 attached [pid 5686] close(3 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5686] <... close resumed>) = 0 [pid 5682] <... clone3 resumed> => {parent_tid=[14158]}, 88) = 14158 [pid 5672] close(28 [pid 5687] <... set_robust_list resumed>) = 0 [pid 5686] symlink("/dev/binderfs", "./binderfs" [pid 5682] rt_sigprocmask(SIG_SETMASK, [], [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] rt_sigprocmask(SIG_SETMASK, [], [pid 5672] close(29 [pid 5687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5672] exit_group(0 [pid 5686] <... symlink resumed>) = 0 [pid 5682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5679] <... futex resumed>) = ? [pid 5676] <... futex resumed>) = ? [pid 5672] <... exit_group resumed>) = ? [pid 5686] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] +++ exited with 0 +++ [pid 5676] +++ exited with 0 +++ [pid 5672] +++ exited with 0 +++ [pid 5687] <... futex resumed>) = 0 [pid 5686] <... futex resumed>) = 0 [pid 5682] <... futex resumed>) = 1 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5687] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5686] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5682] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5687] <... bpf resumed>) = 4 [pid 5686] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 295] <... restart_syscall resumed>) = 0 [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5687] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... mmap resumed>) = 0x7fd4ce11b000 [pid 295] umount2("./4761", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5686] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5686] <... mprotect resumed>) = 0 [pid 295] openat(AT_FDCWD, "./4761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5687] <... futex resumed>) = 1 [pid 5686] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5682] <... futex resumed>) = 0 [pid 5687] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5682] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... openat resumed>) = 3 [pid 5686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5685] <... futex resumed>) = 0 [pid 5682] <... futex resumed>) = 1 [pid 295] newfstatat(3, "", [pid 5682] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5688 attached [pid 5685] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5688] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5686] <... clone3 resumed> => {parent_tid=[14227]}, 88) = 14227 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5688] <... set_robust_list resumed>) = 0 [pid 5686] rt_sigprocmask(SIG_SETMASK, [], [pid 295] getdents64(3, [pid 5688] rt_sigprocmask(SIG_SETMASK, [], [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5688] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5686] <... futex resumed>) = 0 [pid 295] umount2("./4761/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5688] <... bpf resumed>) = 3 [pid 5686] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5688] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5688] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4761/cgroup.cpu", [pid 5688] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5688] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5686] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4761/cgroup.cpu" [pid 5686] <... futex resumed>) = 0 [pid 5688] <... bpf resumed>) = 0 [pid 5686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... unlink resumed>) = 0 [pid 5688] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5688] <... futex resumed>) = 0 [pid 5686] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] umount2("./4761/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5688] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] <... mprotect resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5686] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] newfstatat(AT_FDCWD, "./4761/binderfs", [pid 5686] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] unlink("./4761/binderfs"./strace-static-x86_64: Process 5689 attached ) = 0 [pid 5686] <... clone3 resumed> => {parent_tid=[14228]}, 88) = 14228 [pid 5689] set_robust_list(0x7fd4ce11a9a0, 24 [pid 295] umount2("./4761/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5689] <... set_robust_list resumed>) = 0 [pid 5686] rt_sigprocmask(SIG_SETMASK, [], [pid 5689] rt_sigprocmask(SIG_SETMASK, [], [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4761/cgroup", [pid 5689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5686] <... futex resumed>) = 0 [pid 5686] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5689] <... bpf resumed>) = 4 [pid 295] unlink("./4761/cgroup" [pid 5689] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... unlink resumed>) = 0 [pid 5686] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 1 [pid 5686] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 295] umount2("./4761/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5688] <... futex resumed>) = 0 [pid 5686] <... futex resumed>) = 1 [pid 5688] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5686] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4761/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4761/cgroup.net") = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4761") = 0 [pid 295] mkdir("./4762", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5690 attached [pid 5690] set_robust_list(0x5555568776a0, 24) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14046 [pid 5690] chdir("./4762") = 0 [pid 5690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5690] setpgid(0, 0) = 0 [pid 5690] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5681] <... close resumed>) = 0 [pid 5675] <... close resumed>) = 0 [pid 5690] <... symlink resumed>) = 0 [pid 5681] close(6 [pid 5675] close(6 [pid 5690] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... symlink resumed>) = 0 [pid 5681] close(7 [pid 5675] close(7 [pid 5690] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... symlink resumed>) = 0 [pid 5681] close(8 [pid 5675] close(8 [pid 5690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... openat resumed>) = 3 [pid 5681] close(9 [pid 5675] close(9 [pid 5690] write(3, "1000", 4 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... write resumed>) = 4 [pid 5681] close(10 [pid 5675] close(10 [pid 5690] close(3 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = 0 [pid 5681] close(11 [pid 5675] close(11 [pid 5690] symlink("/dev/binderfs", "./binderfs" [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... symlink resumed>) = 0 [pid 5681] close(12 [pid 5675] close(12 [pid 5690] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... futex resumed>) = 0 [pid 5681] close(13 [pid 5675] close(13 [pid 5690] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5681] close(14 [pid 5675] close(14 [pid 5690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] close(15 [pid 5675] close(15 [pid 5690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5681] close(16 [pid 5675] close(16 [pid 5690] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... mprotect resumed>) = 0 [pid 5681] close(17 [pid 5675] close(17 [pid 5690] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5681] close(18 [pid 5675] close(18 [pid 5690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5691 attached [pid 5681] close(19 [pid 5675] close(19 [pid 5691] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5690] <... clone3 resumed> => {parent_tid=[14047]}, 88) = 14047 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... set_robust_list resumed>) = 0 [pid 5690] rt_sigprocmask(SIG_SETMASK, [], [pid 5681] close(20 [pid 5675] close(20 [pid 5690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] rt_sigprocmask(SIG_SETMASK, [], [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] close(21 [pid 5675] close(21 [pid 5691] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5690] <... futex resumed>) = 0 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... bpf resumed>) = 3 [pid 5690] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5681] close(22 [pid 5675] close(22 [pid 5691] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... futex resumed>) = 0 [pid 5690] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] close(23 [pid 5675] close(23 [pid 5691] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5690] <... futex resumed>) = 0 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] close(24 [pid 5675] close(24 [pid 5690] <... futex resumed>) = 0 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... bpf resumed>) = 0 [pid 5690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5681] close(25 [pid 5675] close(25 [pid 5691] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... futex resumed>) = 0 [pid 5690] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5681] close(26 [pid 5675] close(26 [pid 5690] <... mprotect resumed>) = 0 [pid 5691] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5681] close(27 [pid 5675] close(27 [pid 5690] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5681] close(28 [pid 5675] close(28./strace-static-x86_64: Process 5692 attached [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5692] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5690] <... clone3 resumed> => {parent_tid=[14048]}, 88) = 14048 [pid 5681] close(29 [pid 5675] close(29 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5690] rt_sigprocmask(SIG_SETMASK, [], [pid 5681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5692] rt_sigprocmask(SIG_SETMASK, [], [pid 5690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] exit_group(0 [pid 5675] exit_group(0 [pid 5692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = ? [pid 5683] <... futex resumed>) = ? [pid 5681] <... exit_group resumed>) = ? [pid 5680] <... futex resumed>) = ? [pid 5678] <... futex resumed>) = ? [pid 5675] <... exit_group resumed>) = ? [pid 5692] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5690] <... futex resumed>) = 0 [pid 5684] +++ exited with 0 +++ [pid 5683] +++ exited with 0 +++ [pid 5681] +++ exited with 0 +++ [pid 5680] +++ exited with 0 +++ [pid 5678] +++ exited with 0 +++ [pid 5675] +++ exited with 0 +++ [pid 5690] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] <... bpf resumed>) = 4 [pid 5692] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5692] <... futex resumed>) = 1 [pid 5692] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] <... futex resumed>) = 0 [pid 5690] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] umount2("./4713", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4650", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] openat(AT_FDCWD, "./4650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... openat resumed>) = 3 [pid 5691] <... futex resumed>) = 0 [pid 5690] <... futex resumed>) = 1 [pid 5691] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5690] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] newfstatat(3, "", [pid 293] <... openat resumed>) = 3 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] newfstatat(3, "", [pid 294] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] getdents64(3, [pid 294] umount2("./4713/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4650/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4713/cgroup.cpu", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4650/cgroup.cpu", [pid 294] unlink("./4713/cgroup.cpu" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... unlink resumed>) = 0 [pid 293] unlink("./4650/cgroup.cpu" [pid 294] umount2("./4713/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4650/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4713/binderfs", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4650/binderfs", [pid 294] unlink("./4713/binderfs" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... unlink resumed>) = 0 [pid 293] unlink("./4650/binderfs" [pid 294] umount2("./4713/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4650/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4713/cgroup", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4650/cgroup", [pid 294] unlink("./4713/cgroup" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... unlink resumed>) = 0 [pid 293] unlink("./4650/cgroup" [pid 294] umount2("./4713/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4713/cgroup.net", [pid 293] umount2("./4650/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4713/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4650/cgroup.net", [pid 294] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] unlink("./4650/cgroup.net" [pid 294] close(3 [pid 293] <... unlink resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 293] getdents64(3, [pid 294] rmdir("./4713" [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... rmdir resumed>) = 0 [pid 293] close(3 [pid 294] mkdir("./4714", 0777 [pid 293] <... close resumed>) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 293] rmdir("./4650" [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5693 attached [pid 293] mkdir("./4651", 0777 [pid 5693] set_robust_list(0x5555568776a0, 24 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13881 [pid 5693] <... set_robust_list resumed>) = 0 [pid 5693] chdir("./4714") = 0 [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... mkdir resumed>) = 0 [pid 5693] <... prctl resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5693] setpgid(0, 0) = 0 [pid 5693] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5693] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu"./strace-static-x86_64: Process 5694 attached ) = 0 [pid 5694] set_robust_list(0x5555568776a0, 24 [pid 5693] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5694] <... set_robust_list resumed>) = 0 [pid 5693] <... symlink resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13717 [pid 5694] chdir("./4651" [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5694] <... chdir resumed>) = 0 [pid 5693] <... openat resumed>) = 3 [pid 5694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5693] write(3, "1000", 4 [pid 5694] <... prctl resumed>) = 0 [pid 5693] <... write resumed>) = 4 [pid 5694] setpgid(0, 0 [pid 5693] close(3 [pid 5694] <... setpgid resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5694] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5693] symlink("/dev/binderfs", "./binderfs" [pid 5694] <... symlink resumed>) = 0 [pid 5693] <... symlink resumed>) = 0 [pid 5694] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5693] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... symlink resumed>) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5694] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5693] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5694] <... symlink resumed>) = 0 [pid 5693] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5694] <... openat resumed>) = 3 [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5691] <... bpf resumed>) = 5 [pid 5688] <... bpf resumed>) = 5 [pid 5685] <... bpf resumed>) = 5 [pid 5694] write(3, "1000", 4 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5691] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... write resumed>) = 4 [pid 5693] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5691] <... futex resumed>) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5688] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = 1 [pid 5682] <... futex resumed>) = 0 [pid 5694] close(3 [pid 5693] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5691] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] close(3 [pid 5688] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] close(3 [pid 5682] close(3 [pid 5694] <... close resumed>) = 0 [pid 5693] <... mprotect resumed>) = 0 [pid 5690] <... close resumed>) = 0 [pid 5686] <... close resumed>) = 0 [pid 5685] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] <... close resumed>) = 0 [pid 5694] symlink("/dev/binderfs", "./binderfs" [pid 5693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5690] close(4 [pid 5686] close(4 [pid 5682] close(4 [pid 5694] <... symlink resumed>) = 0 [pid 5693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5690] <... close resumed>) = 0 [pid 5686] <... close resumed>) = 0 [pid 5682] <... close resumed>) = 0 [pid 5694] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5690] close(5 [pid 5686] close(5 [pid 5682] close(5./strace-static-x86_64: Process 5695 attached [pid 5694] <... futex resumed>) = 0 [pid 5690] <... close resumed>) = 0 [pid 5695] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5694] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5693] <... clone3 resumed> => {parent_tid=[13882]}, 88) = 13882 [pid 5690] close(6 [pid 5695] <... set_robust_list resumed>) = 0 [pid 5694] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5693] rt_sigprocmask(SIG_SETMASK, [], [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] rt_sigprocmask(SIG_SETMASK, [], [pid 5694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] close(7 [pid 5695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5693] <... futex resumed>) = 0 [pid 5695] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5694] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5693] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... bpf resumed>) = 3 [pid 5694] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5690] close(8 [pid 5695] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... mprotect resumed>) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... futex resumed>) = 1 [pid 5694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5693] <... futex resumed>) = 0 [pid 5690] close(9 [pid 5695] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5693] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5693] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5696 attached [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5695] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5694] <... clone3 resumed> => {parent_tid=[13718]}, 88) = 13718 [pid 5693] <... futex resumed>) = 0 [pid 5690] close(10 [pid 5696] <... set_robust_list resumed>) = 0 [pid 5694] rt_sigprocmask(SIG_SETMASK, [], [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5695] <... bpf resumed>) = 0 [pid 5694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5696] rt_sigprocmask(SIG_SETMASK, [], [pid 5695] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5694] <... futex resumed>) = 0 [pid 5693] <... mprotect resumed>) = 0 [pid 5696] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5695] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5690] close(11 [pid 5696] <... bpf resumed>) = 3 [pid 5693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5697 attached [pid 5696] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] close(12 [pid 5693] <... clone3 resumed> => {parent_tid=[13883]}, 88) = 13883 [pid 5697] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 5696] <... futex resumed>) = 1 [pid 5694] <... futex resumed>) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] rt_sigprocmask(SIG_SETMASK, [], [pid 5696] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] rt_sigprocmask(SIG_SETMASK, [], [pid 5690] close(13 [pid 5697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] <... futex resumed>) = 0 [pid 5697] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5696] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5694] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... futex resumed>) = 0 [pid 5694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5693] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... bpf resumed>) = 0 [pid 5694] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5697] <... futex resumed>) = 0 [pid 5696] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5693] <... futex resumed>) = 1 [pid 5690] close(14 [pid 5697] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5696] <... futex resumed>) = 0 [pid 5694] <... mprotect resumed>) = 0 [pid 5693] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] <... bpf resumed>) = 4 [pid 5696] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5690] close(15 [pid 5697] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] <... futex resumed>) = 1 [pid 5694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5693] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5698 attached [pid 5697] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] close(16 [pid 5698] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5695] <... futex resumed>) = 0 [pid 5694] <... clone3 resumed> => {parent_tid=[13719]}, 88) = 13719 [pid 5693] <... futex resumed>) = 1 [pid 5698] <... set_robust_list resumed>) = 0 [pid 5695] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5694] rt_sigprocmask(SIG_SETMASK, [], [pid 5693] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] rt_sigprocmask(SIG_SETMASK, [], [pid 5694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] close(17 [pid 5698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5690] close(18 [pid 5694] <... futex resumed>) = 0 [pid 5694] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] <... bpf resumed>) = 4 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] close(19 [pid 5698] <... futex resumed>) = 1 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] close(20) = -1 EBADF (Bad file descriptor) [pid 5690] close(21 [pid 5694] <... futex resumed>) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] close(22 [pid 5696] <... futex resumed>) = 0 [pid 5694] <... futex resumed>) = 1 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5694] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5690] close(23) = -1 EBADF (Bad file descriptor) [pid 5690] close(24) = -1 EBADF (Bad file descriptor) [pid 5690] close(25) = -1 EBADF (Bad file descriptor) [pid 5690] close(26) = -1 EBADF (Bad file descriptor) [pid 5690] close(27) = -1 EBADF (Bad file descriptor) [pid 5690] close(28) = -1 EBADF (Bad file descriptor) [pid 5690] close(29) = -1 EBADF (Bad file descriptor) [pid 5690] exit_group(0 [pid 5691] <... futex resumed>) = ? [pid 5692] <... futex resumed>) = ? [pid 5690] <... exit_group resumed>) = ? [pid 5692] +++ exited with 0 +++ [pid 5691] +++ exited with 0 +++ [pid 5690] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 295] umount2("./4762", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4762/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4762/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4762/cgroup.cpu") = 0 [pid 295] umount2("./4762/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4762/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4762/binderfs") = 0 [pid 295] umount2("./4762/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4762/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4762/cgroup") = 0 [pid 295] umount2("./4762/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4762/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4762/cgroup.net") = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4762") = 0 [pid 295] mkdir("./4763", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5699 attached [pid 5699] set_robust_list(0x5555568776a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14049 [pid 5699] <... set_robust_list resumed>) = 0 [pid 5699] chdir("./4763") = 0 [pid 5699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5699] setpgid(0, 0) = 0 [pid 5699] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5699] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5699] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5682] <... close resumed>) = 0 [pid 5699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5686] <... close resumed>) = 0 [pid 5682] close(6 [pid 5699] <... openat resumed>) = 3 [pid 5686] close(6 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] write(3, "1000", 4 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] close(7 [pid 5699] <... write resumed>) = 4 [pid 5686] close(7 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(3 [pid 5682] close(8 [pid 5699] <... close resumed>) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] symlink("/dev/binderfs", "./binderfs" [pid 5686] close(8 [pid 5682] close(9 [pid 5699] <... symlink resumed>) = 0 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] close(10 [pid 5699] <... futex resumed>) = 0 [pid 5686] close(9 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] close(11 [pid 5699] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5686] close(10 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5682] close(12 [pid 5699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5686] close(11 [pid 5682] close(13 [pid 5699] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5686] close(12 [pid 5682] close(14 [pid 5699] <... mprotect resumed>) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5686] close(13 [pid 5682] close(15 [pid 5699] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5686] close(14 [pid 5682] close(16./strace-static-x86_64: Process 5700 attached [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5699] <... clone3 resumed> => {parent_tid=[14050]}, 88) = 14050 [pid 5682] close(17 [pid 5700] <... set_robust_list resumed>) = 0 [pid 5699] rt_sigprocmask(SIG_SETMASK, [], [pid 5686] close(15 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] rt_sigprocmask(SIG_SETMASK, [], [pid 5699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] close(18 [pid 5700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5699] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] close(16 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... futex resumed>) = 0 [pid 5682] close(19 [pid 5700] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5699] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... bpf resumed>) = 3 [pid 5686] close(17 [pid 5682] close(20 [pid 5700] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] close(21 [pid 5700] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] close(18 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = 0 [pid 5682] close(22 [pid 5700] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5699] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... futex resumed>) = 0 [pid 5682] close(23 [pid 5699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5700] <... bpf resumed>) = 0 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] close(19 [pid 5700] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] close(24 [pid 5700] <... futex resumed>) = 0 [pid 5699] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5686] close(20 [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] <... mprotect resumed>) = 0 [pid 5682] close(25 [pid 5699] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5686] close(21 [pid 5682] close(26 [pid 5699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5701 attached [pid 5686] close(22 [pid 5682] close(27 [pid 5701] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5699] <... clone3 resumed> => {parent_tid=[14051]}, 88) = 14051 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... set_robust_list resumed>) = 0 [pid 5699] rt_sigprocmask(SIG_SETMASK, [], [pid 5686] close(23 [pid 5682] close(28 [pid 5701] rt_sigprocmask(SIG_SETMASK, [], [pid 5699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5699] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] close(24 [pid 5682] close(29 [pid 5701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5699] <... futex resumed>) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5682] exit_group(0 [pid 5687] <... futex resumed>) = ? [pid 5685] <... futex resumed>) = ? [pid 5682] <... exit_group resumed>) = ? [pid 5701] <... bpf resumed>) = 4 [pid 5687] +++ exited with 0 +++ [pid 5686] close(25 [pid 5685] +++ exited with 0 +++ [pid 5682] +++ exited with 0 +++ [pid 5701] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... futex resumed>) = 1 [pid 5686] close(26 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5701] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] close(27 [pid 5699] <... futex resumed>) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] close(28) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4793", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5686] close(29 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] openat(AT_FDCWD, "./4793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5686] exit_group(0 [pid 5699] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... openat resumed>) = 3 [pid 5689] <... futex resumed>) = ? [pid 5688] <... futex resumed>) = ? [pid 5686] <... exit_group resumed>) = ? [pid 5688] +++ exited with 0 +++ [pid 5700] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 1 [pid 5700] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5699] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] newfstatat(3, "", [pid 5689] +++ exited with 0 +++ [pid 5686] +++ exited with 0 +++ [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4793/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4824", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4793/cgroup.cpu", [pid 297] openat(AT_FDCWD, "./4824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... openat resumed>) = 3 [pid 296] unlink("./4793/cgroup.cpu" [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 296] umount2("./4793/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./4824/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4793/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./4824/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4793/binderfs" [pid 297] unlink("./4824/cgroup.cpu" [pid 296] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] umount2("./4793/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4824/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4793/cgroup", [pid 297] newfstatat(AT_FDCWD, "./4824/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4793/cgroup" [pid 297] unlink("./4824/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] umount2("./4793/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4824/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4793/cgroup.net", [pid 297] newfstatat(AT_FDCWD, "./4824/cgroup", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4793/cgroup.net" [pid 297] unlink("./4824/cgroup" [pid 296] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4824/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4824/cgroup.net", [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] close(3 [pid 297] unlink("./4824/cgroup.net" [pid 296] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] rmdir("./4793" [pid 297] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 297] close(3 [pid 296] mkdir("./4794", 0777 [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./4824" [pid 296] <... mkdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] mkdir("./4825", 0777./strace-static-x86_64: Process 5702 attached [pid 5702] set_robust_list(0x5555568776a0, 24) = 0 [pid 5702] chdir("./4794" [pid 297] <... mkdir resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14159 [pid 5702] <... chdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5702] setpgid(0, 0) = 0 [pid 5702] symlink("/syzcgroup/unified/syz4", "./cgroup"./strace-static-x86_64: Process 5703 attached ) = 0 [pid 5703] set_robust_list(0x5555568776a0, 24 [pid 5702] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5703] <... set_robust_list resumed>) = 0 [pid 5702] <... symlink resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14229 [pid 5703] chdir("./4825" [pid 5702] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5703] <... chdir resumed>) = 0 [pid 5702] <... symlink resumed>) = 0 [pid 5703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5703] <... prctl resumed>) = 0 [pid 5702] <... openat resumed>) = 3 [pid 5703] setpgid(0, 0 [pid 5702] write(3, "1000", 4 [pid 5703] <... setpgid resumed>) = 0 [pid 5702] <... write resumed>) = 4 [pid 5703] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5702] close(3 [pid 5703] <... symlink resumed>) = 0 [pid 5702] <... close resumed>) = 0 [pid 5703] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5702] symlink("/dev/binderfs", "./binderfs" [pid 5703] <... symlink resumed>) = 0 [pid 5702] <... symlink resumed>) = 0 [pid 5703] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5702] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... symlink resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5702] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5703] <... openat resumed>) = 3 [pid 5702] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5703] write(3, "1000", 4 [pid 5702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5703] <... write resumed>) = 4 [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] close(3 [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] <... close resumed>) = 0 [pid 5702] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5703] symlink("/dev/binderfs", "./binderfs" [pid 5702] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5703] <... symlink resumed>) = 0 [pid 5702] <... mprotect resumed>) = 0 [pid 5703] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5700] <... bpf resumed>) = 5 [pid 5696] <... bpf resumed>) = 5 [pid 5695] <... bpf resumed>) = 5 [pid 5703] <... futex resumed>) = 0 [pid 5702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5700] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5700] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 1 [pid 5694] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5704 attached [pid 5703] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5700] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] close(3 [pid 5696] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] close(3 [pid 5693] close(3 [pid 5704] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5702] <... clone3 resumed> => {parent_tid=[14160]}, 88) = 14160 [pid 5699] <... close resumed>) = 0 [pid 5694] <... close resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5704] <... set_robust_list resumed>) = 0 [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] rt_sigprocmask(SIG_SETMASK, [], [pid 5699] close(4 [pid 5694] close(4 [pid 5693] close(4 [pid 5704] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5699] <... close resumed>) = 0 [pid 5694] <... close resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5702] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] close(5 [pid 5694] close(5 [pid 5693] close(5 [pid 5704] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5703] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5702] <... futex resumed>) = 0 [pid 5699] <... close resumed>) = 0 [pid 5694] <... close resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5704] <... bpf resumed>) = 3 [pid 5703] <... mprotect resumed>) = 0 [pid 5702] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5699] close(6 [pid 5694] close(6 [pid 5693] close(6 [pid 5704] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... futex resumed>) = 0 [pid 5703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5702] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] close(7 [pid 5694] close(7 [pid 5693] close(7 [pid 5704] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5702] <... futex resumed>) = 0 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5705 attached [pid 5704] <... bpf resumed>) = 0 [pid 5702] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] close(8 [pid 5694] close(8 [pid 5693] close(8 [pid 5705] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5704] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... clone3 resumed> => {parent_tid=[14230]}, 88) = 14230 [pid 5702] <... futex resumed>) = 0 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... set_robust_list resumed>) = 0 [pid 5704] <... futex resumed>) = 0 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5699] close(9 [pid 5694] close(9 [pid 5693] close(9 [pid 5705] rt_sigprocmask(SIG_SETMASK, [], [pid 5704] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5699] close(10 [pid 5694] close(10 [pid 5693] close(10 [pid 5705] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5703] <... futex resumed>) = 0 [pid 5702] <... mprotect resumed>) = 0 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... bpf resumed>) = 3 [pid 5703] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5699] close(11 [pid 5694] close(11 [pid 5693] close(11 [pid 5705] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... futex resumed>) = 0 [pid 5703] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5699] close(12 [pid 5694] close(12 [pid 5693] close(12./strace-static-x86_64: Process 5706 attached [pid 5705] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5703] <... futex resumed>) = 0 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5705] <... bpf resumed>) = 0 [pid 5703] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... clone3 resumed> => {parent_tid=[14161]}, 88) = 14161 [pid 5699] close(13 [pid 5694] close(13 [pid 5693] close(13 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = 0 [pid 5702] rt_sigprocmask(SIG_SETMASK, [], [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] rt_sigprocmask(SIG_SETMASK, [], [pid 5705] <... futex resumed>) = 0 [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5699] close(14 [pid 5693] close(14 [pid 5706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5705] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5702] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] close(14 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5703] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5702] <... futex resumed>) = 0 [pid 5699] close(15 [pid 5693] close(15 [pid 5703] <... mprotect resumed>) = 0 [pid 5702] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5699] close(16 [pid 5706] <... bpf resumed>) = 4 [pid 5693] close(16 [pid 5694] close(15 [pid 5706] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] <... futex resumed>) = 1 [pid 5703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5702] <... futex resumed>) = 0 [pid 5699] close(17 [pid 5694] close(16 [pid 5693] close(17./strace-static-x86_64: Process 5707 attached [pid 5706] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5704] <... futex resumed>) = 0 [pid 5703] <... clone3 resumed> => {parent_tid=[14231]}, 88) = 14231 [pid 5702] <... futex resumed>) = 1 [pid 5699] close(18 [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] close(18 [pid 5707] <... set_robust_list resumed>) = 0 [pid 5704] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5699] close(19 [pid 5694] close(17 [pid 5693] close(19 [pid 5707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] <... futex resumed>) = 0 [pid 5699] close(20 [pid 5707] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5693] close(20 [pid 5703] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] close(18 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(21 [pid 5693] close(21 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(22 [pid 5693] close(22 [pid 5707] <... bpf resumed>) = 4 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] close(23 [pid 5694] close(19 [pid 5693] close(23 [pid 5707] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] close(24 [pid 5694] close(20 [pid 5693] close(24 [pid 5705] <... futex resumed>) = 0 [pid 5703] <... futex resumed>) = 1 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5703] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5699] close(25 [pid 5693] close(25 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] close(21 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(26 [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] close(26 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(27 [pid 5694] close(22 [pid 5693] close(27 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(28 [pid 5693] close(28 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] close(23 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(29 [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] close(29 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] close(24 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] exit_group(0 [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] exit_group(0 [pid 5701] <... futex resumed>) = ? [pid 5700] <... futex resumed>) = ? [pid 5699] <... exit_group resumed>) = ? [pid 5697] <... futex resumed>) = ? [pid 5695] <... futex resumed>) = ? [pid 5694] close(25 [pid 5693] <... exit_group resumed>) = ? [pid 5701] +++ exited with 0 +++ [pid 5700] +++ exited with 0 +++ [pid 5699] +++ exited with 0 +++ [pid 5697] +++ exited with 0 +++ [pid 5695] +++ exited with 0 +++ [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] +++ exited with 0 +++ [pid 5694] close(26 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] close(27 [pid 295] umount2("./4763", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] close(28 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] openat(AT_FDCWD, "./4763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] umount2("./4714", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5694] close(29 [pid 295] <... openat resumed>) = 3 [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(3, "", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5694] exit_group(0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 5698] <... futex resumed>) = ? [pid 5696] <... futex resumed>) = ? [pid 5694] <... exit_group resumed>) = ? [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] openat(AT_FDCWD, "./4714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5698] +++ exited with 0 +++ [pid 5696] +++ exited with 0 +++ [pid 295] umount2("./4763/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4763/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4763/cgroup.cpu" [pid 5694] +++ exited with 0 +++ [pid 295] <... unlink resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 295] umount2("./4763/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] newfstatat(3, "", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4763/binderfs", [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4763/binderfs") = 0 [pid 294] getdents64(3, [pid 295] umount2("./4763/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4763/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4763/cgroup" [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4651", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 294] umount2("./4714/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4763/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4763/cgroup.net", [pid 294] newfstatat(AT_FDCWD, "./4714/cgroup.cpu", [pid 293] openat(AT_FDCWD, "./4651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4763/cgroup.net") = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... openat resumed>) = 3 [pid 295] getdents64(3, [pid 294] unlink("./4714/cgroup.cpu" [pid 293] newfstatat(3, "", [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4763") = 0 [pid 294] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] umount2("./4714/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] mkdir("./4764", 0777 [pid 293] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... bpf resumed>) = 5 [pid 5704] <... bpf resumed>) = 5 [pid 295] <... mkdir resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4714/binderfs", [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5705] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4651/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5708 attached [pid 5705] <... futex resumed>) = 1 [pid 5704] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 294] unlink("./4714/binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] set_robust_list(0x5555568776a0, 24 [pid 5705] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] close(3 [pid 5702] close(3 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14052 [pid 5708] <... set_robust_list resumed>) = 0 [pid 5703] <... close resumed>) = 0 [pid 5702] <... close resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4651/cgroup.cpu", [pid 5708] chdir("./4764" [pid 5703] close(4 [pid 5702] close(4 [pid 294] umount2("./4714/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5708] <... chdir resumed>) = 0 [pid 5703] <... close resumed>) = 0 [pid 5702] <... close resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5703] close(5 [pid 5702] close(5 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4651/cgroup.cpu" [pid 5708] <... prctl resumed>) = 0 [pid 5703] <... close resumed>) = 0 [pid 5702] <... close resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4714/cgroup", [pid 5708] setpgid(0, 0 [pid 5703] close(6 [pid 5702] close(6 [pid 5708] <... setpgid resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 5708] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5703] close(7 [pid 5702] close(7 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5708] <... symlink resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4714/cgroup" [pid 293] umount2("./4651/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5708] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5703] close(8 [pid 5702] close(8 [pid 5708] <... symlink resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5703] close(9 [pid 5702] close(9 [pid 5708] <... symlink resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4714/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4651/binderfs", [pid 5708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5703] close(10 [pid 5702] close(10 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] <... openat resumed>) = 3 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4714/cgroup.net", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5708] write(3, "1000", 4 [pid 5703] close(11 [pid 5702] close(11 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4651/binderfs" [pid 5708] <... write resumed>) = 4 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4714/cgroup.net" [pid 5708] close(3 [pid 5703] close(12 [pid 5702] close(12 [pid 293] <... unlink resumed>) = 0 [pid 5708] <... close resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 293] umount2("./4651/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5708] symlink("/dev/binderfs", "./binderfs" [pid 5703] close(13 [pid 5702] close(13 [pid 294] getdents64(3, [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] <... symlink resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] close(14 [pid 5702] close(14 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] newfstatat(AT_FDCWD, "./4651/cgroup", [pid 5708] <... futex resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] close(3 [pid 5708] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5703] close(15 [pid 5702] close(15 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5708] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... close resumed>) = 0 [pid 293] unlink("./4651/cgroup" [pid 5708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5703] close(16 [pid 5702] close(16 [pid 294] rmdir("./4714" [pid 5708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] close(17 [pid 5702] close(17 [pid 5708] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 5708] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5703] close(18 [pid 5702] close(18 [pid 5708] <... mprotect resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... rmdir resumed>) = 0 [pid 293] umount2("./4651/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5708] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5703] close(19 [pid 5702] close(19 [pid 5708] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] mkdir("./4715", 0777 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5703] close(20 [pid 5702] close(20 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... clone3 resumed> => {parent_tid=[14053]}, 88) = 14053 [pid 5703] close(21 [pid 5702] close(21 [pid 294] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5709 attached [pid 5708] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] newfstatat(AT_FDCWD, "./4651/cgroup.net", [pid 5709] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] close(22 [pid 5702] close(22 [pid 5708] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... futex resumed>) = 0 [pid 5703] close(23 [pid 5702] close(23 [pid 5708] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5710 attached [pid 5709] <... set_robust_list resumed>) = 0 [pid 5703] close(24 [pid 5702] close(24 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5710] set_robust_list(0x5555568776a0, 24 [pid 5709] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] <... set_robust_list resumed>) = 0 [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] close(25 [pid 5702] close(25 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13884 [pid 293] unlink("./4651/cgroup.net" [pid 5710] chdir("./4715" [pid 5709] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] <... chdir resumed>) = 0 [pid 5709] <... bpf resumed>) = 3 [pid 5703] close(26 [pid 5702] close(26 [pid 293] <... unlink resumed>) = 0 [pid 5710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5709] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] getdents64(3, [pid 5710] <... prctl resumed>) = 0 [pid 5709] <... futex resumed>) = 1 [pid 5708] <... futex resumed>) = 0 [pid 5703] close(27 [pid 5702] close(27 [pid 5710] setpgid(0, 0 [pid 5709] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5708] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5710] <... setpgid resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5703] close(28 [pid 5702] close(28 [pid 5710] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5709] <... bpf resumed>) = 0 [pid 5708] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] close(3 [pid 5710] <... symlink resumed>) = 0 [pid 5709] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... futex resumed>) = 0 [pid 5703] close(29 [pid 5702] close(29 [pid 5710] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5709] <... futex resumed>) = 0 [pid 5708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... close resumed>) = 0 [pid 5710] <... symlink resumed>) = 0 [pid 5709] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5708] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5703] exit_group(0 [pid 5702] exit_group(0 [pid 293] rmdir("./4651" [pid 5710] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5708] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5707] <... futex resumed>) = ? [pid 5706] <... futex resumed>) = ? [pid 5705] <... futex resumed>) = ? [pid 5704] <... futex resumed>) = ? [pid 5703] <... exit_group resumed>) = ? [pid 5702] <... exit_group resumed>) = ? [pid 5710] <... symlink resumed>) = 0 [pid 5708] <... mprotect resumed>) = 0 [pid 5707] +++ exited with 0 +++ [pid 5706] +++ exited with 0 +++ [pid 5705] +++ exited with 0 +++ [pid 5704] +++ exited with 0 +++ [pid 5703] +++ exited with 0 +++ [pid 5702] +++ exited with 0 +++ [pid 293] <... rmdir resumed>) = 0 [pid 5710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5708] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] mkdir("./4652", 0777 [pid 5710] <... openat resumed>) = 3 [pid 5708] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5710] write(3, "1000", 4 [pid 5708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5710] <... write resumed>) = 4 [pid 5710] close(3./strace-static-x86_64: Process 5711 attached ) = 0 [pid 5708] <... clone3 resumed> => {parent_tid=[14054]}, 88) = 14054 [pid 293] <... mkdir resumed>) = 0 [pid 5710] symlink("/dev/binderfs", "./binderfs" [pid 5711] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5710] <... symlink resumed>) = 0 [pid 5708] rt_sigprocmask(SIG_SETMASK, [], [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] umount2("./4794", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] <... set_robust_list resumed>) = 0 [pid 5710] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4825", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5710] <... futex resumed>) = 0 [pid 5708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5710] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5708] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5708] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5712 attached [pid 5710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5711] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] set_robust_list(0x5555568776a0, 24 [pid 5711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5710] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5708] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13720 [pid 5712] <... set_robust_list resumed>) = 0 [pid 5711] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5710] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 297] openat(AT_FDCWD, "./4825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... openat resumed>) = 3 [pid 5712] chdir("./4652" [pid 5710] <... mprotect resumed>) = 0 [pid 5710] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5713 attached [pid 5713] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5710] <... clone3 resumed> => {parent_tid=[13885]}, 88) = 13885 [pid 5713] <... set_robust_list resumed>) = 0 [pid 5711] <... bpf resumed>) = 4 [pid 5710] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... openat resumed>) = 3 [pid 5713] rt_sigprocmask(SIG_SETMASK, [], [pid 5712] <... chdir resumed>) = 0 [pid 5711] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 5713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5711] <... futex resumed>) = 1 [pid 5710] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... futex resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5713] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5712] <... prctl resumed>) = 0 [pid 5711] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] <... futex resumed>) = 0 [pid 5708] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... bpf resumed>) = 3 [pid 5712] setpgid(0, 0 [pid 5710] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5709] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = 1 [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 5713] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... setpgid resumed>) = 0 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5708] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5713] <... futex resumed>) = 0 [pid 5710] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5713] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5712] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5710] <... futex resumed>) = 0 [pid 297] umount2("./4825/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4794/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5713] <... bpf resumed>) = 0 [pid 5710] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... futex resumed>) = 0 [pid 5713] <... futex resumed>) = 0 [pid 5710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5713] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] <... symlink resumed>) = 0 [pid 5710] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5710] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] newfstatat(AT_FDCWD, "./4825/cgroup.cpu", [pid 296] newfstatat(AT_FDCWD, "./4794/cgroup.cpu", [pid 5710] <... mprotect resumed>) = 0 [pid 5712] <... symlink resumed>) = 0 [pid 5710] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5714 attached [pid 5712] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5709] <... bpf resumed>) = 5 [pid 297] unlink("./4825/cgroup.cpu" [pid 296] unlink("./4794/cgroup.cpu" [pid 5714] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5710] <... clone3 resumed> => {parent_tid=[13886]}, 88) = 13886 [pid 5709] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... symlink resumed>) = 0 [pid 5710] rt_sigprocmask(SIG_SETMASK, [], [pid 5709] <... futex resumed>) = 1 [pid 5708] <... futex resumed>) = 0 [pid 5710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5709] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5708] close(3 [pid 297] <... unlink resumed>) = 0 [pid 5714] <... set_robust_list resumed>) = 0 [pid 5712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5710] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... close resumed>) = 0 [pid 297] umount2("./4825/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 5714] rt_sigprocmask(SIG_SETMASK, [], [pid 5712] <... openat resumed>) = 3 [pid 5710] <... futex resumed>) = 0 [pid 5708] close(4 [pid 5714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5712] write(3, "1000", 4 [pid 5710] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4794/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5712] <... write resumed>) = 4 [pid 5708] close(5 [pid 297] newfstatat(AT_FDCWD, "./4825/binderfs", [pid 5708] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] close(6) = -1 EBADF (Bad file descriptor) [pid 5708] close(7) = -1 EBADF (Bad file descriptor) [pid 5714] <... bpf resumed>) = 4 [pid 5712] close(3 [pid 5708] close(8 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./4794/binderfs", [pid 5714] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... close resumed>) = 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4825/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5714] <... futex resumed>) = 1 [pid 5712] symlink("/dev/binderfs", "./binderfs" [pid 5710] <... futex resumed>) = 0 [pid 5708] close(9 [pid 5710] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 296] unlink("./4794/binderfs" [pid 5713] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5708] close(10 [pid 5713] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5712] <... symlink resumed>) = 0 [pid 5710] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] close(11 [pid 297] umount2("./4825/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 5712] <... futex resumed>) = 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5708] close(12 [pid 296] umount2("./4794/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./4825/cgroup", [pid 5712] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(13) = -1 EBADF (Bad file descriptor) [pid 5708] close(14) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5708] close(15 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./4794/cgroup", [pid 5712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4825/cgroup" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5712] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5708] close(16) = -1 EBADF (Bad file descriptor) [pid 5708] close(17) = -1 EBADF (Bad file descriptor) [pid 5708] close(18 [pid 297] <... unlink resumed>) = 0 [pid 296] unlink("./4794/cgroup" [pid 5712] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4825/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5708] close(19 [pid 296] <... unlink resumed>) = 0 [pid 5712] <... mprotect resumed>) = 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(20) = -1 EBADF (Bad file descriptor) [pid 5708] close(21 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(22 [pid 5712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4825/cgroup.net", [pid 296] umount2("./4794/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5708] close(23 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4825/cgroup.net" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5715 attached [pid 5708] close(24 [pid 5715] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... set_robust_list resumed>) = 0 [pid 5708] close(25 [pid 5715] rt_sigprocmask(SIG_SETMASK, [], [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 5715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5712] <... clone3 resumed> => {parent_tid=[13721]}, 88) = 13721 [pid 5708] close(26 [pid 296] newfstatat(AT_FDCWD, "./4794/cgroup.net", [pid 297] getdents64(3, [pid 5715] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] rt_sigprocmask(SIG_SETMASK, [], [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] close(27 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5712] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] close(3 [pid 296] unlink("./4794/cgroup.net" [pid 5715] <... futex resumed>) = 0 [pid 5712] <... futex resumed>) = 1 [pid 5708] close(28 [pid 297] <... close resumed>) = 0 [pid 5715] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5712] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4825" [pid 296] <... unlink resumed>) = 0 [pid 5715] <... bpf resumed>) = 3 [pid 5708] close(29 [pid 5715] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... futex resumed>) = 1 [pid 5708] exit_group(0 [pid 5715] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] <... futex resumed>) = ? [pid 5708] <... exit_group resumed>) = ? [pid 5709] +++ exited with 0 +++ [pid 297] <... rmdir resumed>) = 0 [pid 296] getdents64(3, [pid 5712] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = ? [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5712] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] +++ exited with 0 +++ [pid 5708] +++ exited with 0 +++ [pid 5715] <... futex resumed>) = 0 [pid 5712] <... futex resumed>) = 1 [pid 297] mkdir("./4826", 0777 [pid 296] close(3 [pid 5715] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5712] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... bpf resumed>) = 0 [pid 5715] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 5715] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... close resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5716 attached ) = 0x7fd4ce0fa000 [pid 296] rmdir("./4794" [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5716] set_robust_list(0x5555568776a0, 24 [pid 5712] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14232 [pid 5716] <... set_robust_list resumed>) = 0 [pid 5716] chdir("./4826") = 0 [pid 5716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 5716] setpgid(0, 0 [pid 5712] <... mprotect resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 296] mkdir("./4795", 0777 [pid 5716] <... setpgid resumed>) = 0 [pid 5712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5716] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 5716] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] umount2("./4764", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5716] <... symlink resumed>) = 0 [pid 5716] symlink("/syzcgroup/net/syz3", "./cgroup.net"./strace-static-x86_64: Process 5717 attached ) = 0 [pid 5716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5716] write(3, "1000", 4) = 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5716] close(3) = 0 [pid 5716] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 5718 attached [pid 5717] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5716] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... clone3 resumed> => {parent_tid=[13722]}, 88) = 13722 [pid 295] openat(AT_FDCWD, "./4764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5718] set_robust_list(0x5555568776a0, 24 [pid 5717] <... set_robust_list resumed>) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5712] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14162 [pid 5718] <... set_robust_list resumed>) = 0 [pid 5716] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 295] <... openat resumed>) = 3 [pid 5712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5717] rt_sigprocmask(SIG_SETMASK, [], [pid 5718] chdir("./4795" [pid 5717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5712] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(3, "", [pid 5718] <... chdir resumed>) = 0 [pid 5717] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5712] <... futex resumed>) = 0 [pid 5718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5718] <... prctl resumed>) = 0 [pid 5716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5718] setpgid(0, 0 [pid 5716] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5712] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] <... setpgid resumed>) = 0 [pid 5716] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5718] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5717] <... bpf resumed>) = 4 [pid 5716] <... mprotect resumed>) = 0 [pid 295] getdents64(3, [pid 5718] <... symlink resumed>) = 0 [pid 5717] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5718] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5717] <... futex resumed>) = 1 [pid 5716] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5712] <... futex resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5718] <... symlink resumed>) = 0 [pid 5716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5719 attached [pid 5718] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5717] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./4764/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5718] <... symlink resumed>) = 0 [pid 5716] <... clone3 resumed> => {parent_tid=[14233]}, 88) = 14233 [pid 5719] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5716] rt_sigprocmask(SIG_SETMASK, [], [pid 5715] <... futex resumed>) = 0 [pid 5712] <... futex resumed>) = 1 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5719] <... set_robust_list resumed>) = 0 [pid 5718] <... openat resumed>) = 3 [pid 5716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5712] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] newfstatat(AT_FDCWD, "./4764/cgroup.cpu", [pid 5719] rt_sigprocmask(SIG_SETMASK, [], [pid 5718] write(3, "1000", 4 [pid 5716] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5718] <... write resumed>) = 4 [pid 5716] <... futex resumed>) = 0 [pid 295] unlink("./4764/cgroup.cpu" [pid 5719] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5718] close(3 [pid 5716] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... bpf resumed>) = 3 [pid 5718] <... close resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5719] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] symlink("/dev/binderfs", "./binderfs" [pid 295] umount2("./4764/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5719] <... futex resumed>) = 1 [pid 5718] <... symlink resumed>) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5719] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5718] <... futex resumed>) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5718] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5716] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4764/binderfs", [pid 5719] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5718] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5719] <... bpf resumed>) = 0 [pid 5718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5716] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] unlink("./4764/binderfs" [pid 5719] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5716] <... mprotect resumed>) = 0 [pid 5718] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5716] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] <... unlink resumed>) = 0 [pid 5719] <... futex resumed>) = 0 [pid 5719] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... mprotect resumed>) = 0 [pid 5716] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] umount2("./4764/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5718] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5720 attached [pid 5718] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5720] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] newfstatat(AT_FDCWD, "./4764/cgroup", ./strace-static-x86_64: Process 5721 attached [pid 5720] <... set_robust_list resumed>) = 0 [pid 5716] <... clone3 resumed> => {parent_tid=[14234]}, 88) = 14234 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5721] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5720] rt_sigprocmask(SIG_SETMASK, [], [pid 5718] <... clone3 resumed> => {parent_tid=[14163]}, 88) = 14163 [pid 295] unlink("./4764/cgroup" [pid 5721] <... set_robust_list resumed>) = 0 [pid 5720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5718] rt_sigprocmask(SIG_SETMASK, [], [pid 5716] rt_sigprocmask(SIG_SETMASK, [], [pid 5720] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5718] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5718] <... futex resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5721] rt_sigprocmask(SIG_SETMASK, [], [pid 5718] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./4764/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5721] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5720] <... futex resumed>) = 0 [pid 5716] <... futex resumed>) = 1 [pid 5721] <... bpf resumed>) = 3 [pid 5720] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5716] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] newfstatat(AT_FDCWD, "./4764/cgroup.net", [pid 5721] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... bpf resumed>) = 4 [pid 5720] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5721] <... futex resumed>) = 1 [pid 5718] <... futex resumed>) = 0 [pid 5721] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] <... futex resumed>) = 1 [pid 5718] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = 0 [pid 295] unlink("./4764/cgroup.net" [pid 5721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5720] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... futex resumed>) = 0 [pid 5716] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = 1 [pid 5721] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5719] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = 0 [pid 5716] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] <... unlink resumed>) = 0 [pid 5718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5721] <... bpf resumed>) = 0 [pid 5718] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5719] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5713] <... bpf resumed>) = 5 [pid 295] getdents64(3, [pid 5721] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... bpf resumed>) = 5 [pid 5718] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5715] <... bpf resumed>) = 5 [pid 5713] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... futex resumed>) = 0 [pid 5719] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... mprotect resumed>) = 0 [pid 5715] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... futex resumed>) = 1 [pid 5710] <... futex resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5721] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5719] <... futex resumed>) = 1 [pid 5718] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5716] <... futex resumed>) = 0 [pid 5715] <... futex resumed>) = 1 [pid 5713] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] <... futex resumed>) = 0 [pid 5710] close(3 [pid 295] close(3 [pid 5719] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5716] close(3 [pid 5715] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] <... close resumed>) = 0 [pid 5718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5716] <... close resumed>) = 0 [pid 5712] close(3 [pid 5710] close(4 [pid 295] <... close resumed>) = 0 ./strace-static-x86_64: Process 5722 attached [pid 5716] close(4 [pid 5712] <... close resumed>) = 0 [pid 5710] <... close resumed>) = 0 [pid 5722] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5718] <... clone3 resumed> => {parent_tid=[14164]}, 88) = 14164 [pid 5716] <... close resumed>) = 0 [pid 5712] close(4 [pid 5710] close(5 [pid 295] rmdir("./4764" [pid 5722] <... set_robust_list resumed>) = 0 [pid 5718] rt_sigprocmask(SIG_SETMASK, [], [pid 5716] close(5 [pid 5712] <... close resumed>) = 0 [pid 5710] <... close resumed>) = 0 [pid 5718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5710] close(6 [pid 5718] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... futex resumed>) = 0 [pid 5710] close(7 [pid 5718] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... rmdir resumed>) = 0 [pid 5722] rt_sigprocmask(SIG_SETMASK, [], [pid 5712] close(5 [pid 5722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5710] close(8 [pid 295] mkdir("./4765", 0777 [pid 5722] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] close(9) = -1 EBADF (Bad file descriptor) [pid 5710] close(10) = -1 EBADF (Bad file descriptor) [pid 5710] close(11) = -1 EBADF (Bad file descriptor) [pid 5710] close(12 [pid 295] <... mkdir resumed>) = 0 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] close(13) = -1 EBADF (Bad file descriptor) [pid 5710] close(14) = -1 EBADF (Bad file descriptor) [pid 5710] close(15) = -1 EBADF (Bad file descriptor) [pid 5710] close(16) = -1 EBADF (Bad file descriptor) [pid 5722] <... bpf resumed>) = 4 [pid 5710] close(17 [pid 5722] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5722] <... futex resumed>) = 1 [pid 5718] <... futex resumed>) = 0 [pid 5710] close(18 [pid 5718] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5721] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = 1 [pid 5710] close(19 [pid 5721] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5718] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] close(20./strace-static-x86_64: Process 5723 attached [pid 5722] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] set_robust_list(0x5555568776a0, 24 [pid 5710] close(21 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14055 [pid 5723] <... set_robust_list resumed>) = 0 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] chdir("./4765" [pid 5710] close(22 [pid 5723] <... chdir resumed>) = 0 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5710] close(23 [pid 5723] <... prctl resumed>) = 0 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] setpgid(0, 0 [pid 5710] close(24 [pid 5723] <... setpgid resumed>) = 0 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5710] close(25 [pid 5723] <... symlink resumed>) = 0 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5710] close(26 [pid 5723] <... symlink resumed>) = 0 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5710] close(27 [pid 5723] <... symlink resumed>) = 0 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5710] close(28 [pid 5723] <... openat resumed>) = 3 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] write(3, "1000", 4 [pid 5710] close(29 [pid 5723] <... write resumed>) = 4 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] close(3 [pid 5710] exit_group(0 [pid 5723] <... close resumed>) = 0 [pid 5714] <... futex resumed>) = ? [pid 5713] <... futex resumed>) = ? [pid 5710] <... exit_group resumed>) = ? [pid 5723] symlink("/dev/binderfs", "./binderfs" [pid 5714] +++ exited with 0 +++ [pid 5713] +++ exited with 0 +++ [pid 5710] +++ exited with 0 +++ [pid 5723] <... symlink resumed>) = 0 [pid 5723] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5723] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 5723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 294] <... restart_syscall resumed>) = 0 [pid 5723] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5724 attached [pid 5724] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5723] <... clone3 resumed> => {parent_tid=[14056]}, 88) = 14056 [pid 5724] <... set_robust_list resumed>) = 0 [pid 5723] rt_sigprocmask(SIG_SETMASK, [], [pid 5724] rt_sigprocmask(SIG_SETMASK, [], [pid 5723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] umount2("./4715", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5723] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5723] <... futex resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5724] <... bpf resumed>) = 3 [pid 5723] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 294] openat(AT_FDCWD, "./4715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5724] <... futex resumed>) = 0 [pid 5723] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5723] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 5724] <... bpf resumed>) = 0 [pid 5723] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] newfstatat(3, "", [pid 5724] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = 0 [pid 5723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5724] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5723] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 294] getdents64(3, [pid 5723] <... mprotect resumed>) = 0 [pid 5723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 294] umount2("./4715/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5725 attached [pid 5723] <... clone3 resumed> => {parent_tid=[14057]}, 88) = 14057 [pid 5725] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5723] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5725] <... set_robust_list resumed>) = 0 [pid 5723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] newfstatat(AT_FDCWD, "./4715/cgroup.cpu", [pid 5725] rt_sigprocmask(SIG_SETMASK, [], [pid 5723] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5723] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5725] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 294] unlink("./4715/cgroup.cpu" [pid 5725] <... bpf resumed>) = 4 [pid 294] <... unlink resumed>) = 0 [pid 5725] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] umount2("./4715/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5725] <... futex resumed>) = 1 [pid 5723] <... futex resumed>) = 0 [pid 5723] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5725] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] <... futex resumed>) = 0 [pid 5723] <... futex resumed>) = 1 [pid 294] newfstatat(AT_FDCWD, "./4715/binderfs", [pid 5724] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5723] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4715/binderfs") = 0 [pid 294] umount2("./4715/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4715/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4715/cgroup") = 0 [pid 294] umount2("./4715/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4715/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4715/cgroup.net") = 0 [pid 294] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [pid 294] rmdir("./4715") = 0 [pid 294] mkdir("./4716", 0777) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5726 attached [pid 5726] set_robust_list(0x5555568776a0, 24 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13887 [pid 5726] <... set_robust_list resumed>) = 0 [pid 5726] chdir("./4716") = 0 [pid 5726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5726] setpgid(0, 0) = 0 [pid 5726] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5726] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5726] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5726] write(3, "1000", 4) = 4 [pid 5726] close(3) = 0 [pid 5726] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5726] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5726] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5726] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5726] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5716] <... close resumed>) = 0 [pid 5726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5716] close(6./strace-static-x86_64: Process 5727 attached ) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = 0 [pid 5727] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5726] <... clone3 resumed> => {parent_tid=[13888]}, 88) = 13888 [pid 5716] close(7 [pid 5712] close(6 [pid 5727] <... set_robust_list resumed>) = 0 [pid 5726] rt_sigprocmask(SIG_SETMASK, [], [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5727] rt_sigprocmask(SIG_SETMASK, [], [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] close(8 [pid 5712] close(7 [pid 5727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5726] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5727] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5726] <... futex resumed>) = 0 [pid 5716] close(9 [pid 5712] close(8 [pid 5727] <... bpf resumed>) = 3 [pid 5726] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5727] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5716] close(10 [pid 5727] <... futex resumed>) = 0 [pid 5726] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5727] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5726] <... futex resumed>) = 0 [pid 5716] close(11 [pid 5712] close(9 [pid 5727] <... bpf resumed>) = 0 [pid 5726] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5727] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = 0 [pid 5716] close(12 [pid 5712] close(10 [pid 5727] <... futex resumed>) = 0 [pid 5726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5727] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5726] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5716] close(13 [pid 5712] close(11 [pid 5726] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] <... mprotect resumed>) = 0 [pid 5716] close(14 [pid 5712] close(12 [pid 5726] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5716] close(15 [pid 5726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] close(13./strace-static-x86_64: Process 5728 attached [pid 5716] close(16 [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] <... clone3 resumed> => {parent_tid=[13889]}, 88) = 13889 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5726] rt_sigprocmask(SIG_SETMASK, [], [pid 5716] close(17 [pid 5712] close(14 [pid 5728] <... set_robust_list resumed>) = 0 [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] rt_sigprocmask(SIG_SETMASK, [], [pid 5726] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] close(18 [pid 5712] close(15 [pid 5726] <... futex resumed>) = 0 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] close(19 [pid 5728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5716] close(20 [pid 5712] close(16 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5716] close(21) = -1 EBADF (Bad file descriptor) [pid 5716] close(22) = -1 EBADF (Bad file descriptor) [pid 5716] close(23) = -1 EBADF (Bad file descriptor) [pid 5716] close(24) = -1 EBADF (Bad file descriptor) [pid 5716] close(25 [pid 5728] <... bpf resumed>) = 4 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] close(26 [pid 5712] close(17 [pid 5728] <... futex resumed>) = 1 [pid 5726] <... futex resumed>) = 0 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5726] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] close(27 [pid 5712] close(18 [pid 5727] <... futex resumed>) = 0 [pid 5726] <... futex resumed>) = 1 [pid 5716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5727] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5726] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5716] close(28) = -1 EBADF (Bad file descriptor) [pid 5712] close(19 [pid 5716] close(29) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5716] exit_group(0 [pid 5712] close(20 [pid 5720] <... futex resumed>) = ? [pid 5719] <... futex resumed>) = ? [pid 5716] <... exit_group resumed>) = ? [pid 5720] +++ exited with 0 +++ [pid 5719] +++ exited with 0 +++ [pid 5716] +++ exited with 0 +++ [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] close(21) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5712] close(22 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... restart_syscall resumed>) = 0 [pid 5712] close(23) = -1 EBADF (Bad file descriptor) [pid 5712] close(24 [pid 297] umount2("./4826", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] close(25 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] openat(AT_FDCWD, "./4826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5712] close(26) = -1 EBADF (Bad file descriptor) [pid 297] <... openat resumed>) = 3 [pid 5712] close(27 [pid 297] newfstatat(3, "", [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5712] close(28 [pid 297] getdents64(3, [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] close(29 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4826/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5712] exit_group(0) = ? [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5717] <... futex resumed>) = ? [pid 5715] <... futex resumed>) = ? [pid 297] newfstatat(AT_FDCWD, "./4826/cgroup.cpu", [pid 5717] +++ exited with 0 +++ [pid 5715] +++ exited with 0 +++ [pid 5712] +++ exited with 0 +++ [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4826/cgroup.cpu" [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... unlink resumed>) = 0 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 297] umount2("./4826/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4826/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4826/binderfs" [pid 293] <... restart_syscall resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4826/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4652", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4826/cgroup", [pid 293] openat(AT_FDCWD, "./4652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... openat resumed>) = 3 [pid 297] unlink("./4826/cgroup" [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, [pid 297] <... unlink resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4826/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4652/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4826/cgroup.net", [pid 293] newfstatat(AT_FDCWD, "./4652/cgroup.cpu", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4826/cgroup.net" [pid 293] unlink("./4652/cgroup.cpu") = 0 [pid 293] umount2("./4652/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 293] newfstatat(AT_FDCWD, "./4652/binderfs", [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] close(3 [pid 293] unlink("./4652/binderfs" [pid 297] <... close resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] rmdir("./4826" [pid 293] umount2("./4652/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4652/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4652/cgroup" [pid 297] <... rmdir resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] mkdir("./4827", 0777 [pid 293] umount2("./4652/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4652/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4652/cgroup.net" [pid 297] <... mkdir resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [pid 293] rmdir("./4652") = 0 ./strace-static-x86_64: Process 5729 attached [pid 293] mkdir("./4653", 0777 [pid 5729] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14235 [pid 293] <... mkdir resumed>) = 0 [pid 5729] <... set_robust_list resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5729] chdir("./4827"./strace-static-x86_64: Process 5730 attached ) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13723 [pid 5730] set_robust_list(0x5555568776a0, 24 [pid 5729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5730] <... set_robust_list resumed>) = 0 [pid 5729] <... prctl resumed>) = 0 [pid 5729] setpgid(0, 0) = 0 [pid 5730] chdir("./4653" [pid 5729] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5730] <... chdir resumed>) = 0 [pid 5729] <... symlink resumed>) = 0 [pid 5729] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5729] <... symlink resumed>) = 0 [pid 5730] <... prctl resumed>) = 0 [pid 5729] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5730] setpgid(0, 0 [pid 5729] <... symlink resumed>) = 0 [pid 5730] <... setpgid resumed>) = 0 [pid 5729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5730] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5729] <... openat resumed>) = 3 [pid 5729] write(3, "1000", 4) = 4 [pid 5730] <... symlink resumed>) = 0 [pid 5729] close(3 [pid 5730] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5729] <... close resumed>) = 0 [pid 5729] symlink("/dev/binderfs", "./binderfs" [pid 5730] <... symlink resumed>) = 0 [pid 5729] <... symlink resumed>) = 0 [pid 5730] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5729] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5729] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5730] <... symlink resumed>) = 0 [pid 5729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5729] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5729] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5730] <... openat resumed>) = 3 [pid 5729] <... mprotect resumed>) = 0 [pid 5730] write(3, "1000", 4 [pid 5729] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5730] <... write resumed>) = 4 [pid 5729] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5730] close(3 [pid 5729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5731 attached [pid 5730] <... close resumed>) = 0 [pid 5731] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5729] <... clone3 resumed> => {parent_tid=[14236]}, 88) = 14236 [pid 5731] <... set_robust_list resumed>) = 0 [pid 5730] symlink("/dev/binderfs", "./binderfs" [pid 5729] rt_sigprocmask(SIG_SETMASK, [], [pid 5731] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... symlink resumed>) = 0 [pid 5729] <... futex resumed>) = 0 [pid 5731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5730] <... futex resumed>) = 0 [pid 5731] <... bpf resumed>) = 3 [pid 5730] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5731] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5731] <... futex resumed>) = 1 [pid 5730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5729] <... futex resumed>) = 0 [pid 5731] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5729] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5730] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5729] <... futex resumed>) = 0 [pid 5729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5731] <... bpf resumed>) = 0 [pid 5730] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5729] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5731] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... mprotect resumed>) = 0 [pid 5727] <... bpf resumed>) = 5 [pid 5724] <... bpf resumed>) = 5 [pid 5730] <... mprotect resumed>) = 0 [pid 5721] <... bpf resumed>) = 5 [pid 5729] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5727] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... futex resumed>) = 0 [pid 5730] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5729] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5727] <... futex resumed>) = 1 [pid 5726] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = 1 [pid 5723] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 1 [pid 5718] <... futex resumed>) = 0 [pid 5731] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5730] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5727] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5726] close(3 [pid 5724] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] close(3 [pid 5721] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] close(3./strace-static-x86_64: Process 5732 attached [pid 5730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5726] <... close resumed>) = 0 [pid 5723] <... close resumed>) = 0 [pid 5718] <... close resumed>) = 0 [pid 5732] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5729] <... clone3 resumed> => {parent_tid=[14237]}, 88) = 14237 [pid 5726] close(4 [pid 5723] close(4 [pid 5718] close(4./strace-static-x86_64: Process 5733 attached [pid 5732] <... set_robust_list resumed>) = 0 [pid 5729] rt_sigprocmask(SIG_SETMASK, [], [pid 5726] <... close resumed>) = 0 [pid 5723] <... close resumed>) = 0 [pid 5718] <... close resumed>) = 0 [pid 5733] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5732] rt_sigprocmask(SIG_SETMASK, [], [pid 5730] <... clone3 resumed> => {parent_tid=[13724]}, 88) = 13724 [pid 5729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5726] close(5 [pid 5723] close(5 [pid 5718] close(5 [pid 5733] <... set_robust_list resumed>) = 0 [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5730] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... close resumed>) = 0 [pid 5723] <... close resumed>) = 0 [pid 5718] <... close resumed>) = 0 [pid 5733] rt_sigprocmask(SIG_SETMASK, [], [pid 5732] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] <... futex resumed>) = 0 [pid 5726] close(6 [pid 5723] close(6 [pid 5718] close(6 [pid 5733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5726] close(7 [pid 5723] close(7 [pid 5718] close(7 [pid 5732] <... bpf resumed>) = 4 [pid 5730] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... futex resumed>) = 0 [pid 5732] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... futex resumed>) = 1 [pid 5726] close(8 [pid 5723] close(8 [pid 5718] close(8 [pid 5733] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5732] <... futex resumed>) = 1 [pid 5730] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] <... futex resumed>) = 0 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... bpf resumed>) = 3 [pid 5732] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] close(9 [pid 5723] close(9 [pid 5718] close(9 [pid 5733] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... futex resumed>) = 1 [pid 5731] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5730] <... futex resumed>) = 0 [pid 5729] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5726] close(10 [pid 5723] close(10 [pid 5718] close(10 [pid 5733] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5730] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] <... futex resumed>) = 0 [pid 5726] close(11 [pid 5723] close(11 [pid 5718] close(11 [pid 5733] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5730] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... bpf resumed>) = 0 [pid 5730] <... futex resumed>) = 0 [pid 5726] close(12 [pid 5723] close(12 [pid 5718] close(12 [pid 5733] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... futex resumed>) = 0 [pid 5730] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5726] close(13 [pid 5723] close(13 [pid 5718] close(13 [pid 5733] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5730] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(14 [pid 5723] close(14 [pid 5718] close(14 [pid 5730] <... mprotect resumed>) = 0 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(15 [pid 5723] close(15 [pid 5718] close(15 [pid 5730] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5726] close(16 [pid 5723] close(16 [pid 5718] close(16 [pid 5730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(17 [pid 5723] close(17 [pid 5718] close(17./strace-static-x86_64: Process 5734 attached [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5730] <... clone3 resumed> => {parent_tid=[13725]}, 88) = 13725 [pid 5726] close(18 [pid 5723] close(18 [pid 5718] close(18 [pid 5734] <... set_robust_list resumed>) = 0 [pid 5730] rt_sigprocmask(SIG_SETMASK, [], [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] rt_sigprocmask(SIG_SETMASK, [], [pid 5730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5726] close(19 [pid 5723] close(19 [pid 5718] close(19 [pid 5734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5730] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5730] <... futex resumed>) = 0 [pid 5726] close(20 [pid 5723] close(20 [pid 5718] close(20 [pid 5734] <... bpf resumed>) = 4 [pid 5730] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5726] close(21 [pid 5723] close(21 [pid 5718] close(21 [pid 5734] <... futex resumed>) = 0 [pid 5730] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] <... futex resumed>) = 0 [pid 5730] <... futex resumed>) = 1 [pid 5726] close(22 [pid 5723] close(22 [pid 5718] close(22 [pid 5733] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5730] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(23 [pid 5723] close(23 [pid 5718] close(23 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(24 [pid 5723] close(24 [pid 5718] close(24 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(25 [pid 5723] close(25 [pid 5718] close(25 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(26 [pid 5723] close(26 [pid 5718] close(26 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(27 [pid 5723] close(27 [pid 5718] close(27 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(28 [pid 5723] close(28 [pid 5718] close(28 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(29 [pid 5723] close(29 [pid 5718] close(29 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] exit_group(0 [pid 5723] exit_group(0 [pid 5718] exit_group(0 [pid 5728] <... futex resumed>) = ? [pid 5727] <... futex resumed>) = ? [pid 5726] <... exit_group resumed>) = ? [pid 5725] <... futex resumed>) = ? [pid 5724] <... futex resumed>) = ? [pid 5723] <... exit_group resumed>) = ? [pid 5722] <... futex resumed>) = ? [pid 5721] <... futex resumed>) = ? [pid 5718] <... exit_group resumed>) = ? [pid 5728] +++ exited with 0 +++ [pid 5727] +++ exited with 0 +++ [pid 5726] +++ exited with 0 +++ [pid 5725] +++ exited with 0 +++ [pid 5724] +++ exited with 0 +++ [pid 5723] +++ exited with 0 +++ [pid 5722] +++ exited with 0 +++ [pid 5721] +++ exited with 0 +++ [pid 5718] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./4795", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4716", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4765", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] openat(AT_FDCWD, "./4795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "./4765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] newfstatat(3, "", [pid 294] openat(AT_FDCWD, "./4716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... openat resumed>) = 3 [pid 294] <... openat resumed>) = 3 [pid 296] getdents64(3, [pid 295] newfstatat(3, "", [pid 294] newfstatat(3, "", [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] umount2("./4795/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 294] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] newfstatat(AT_FDCWD, "./4795/cgroup.cpu", [pid 295] umount2("./4765/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4716/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4795/cgroup.cpu" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4765/cgroup.cpu", [pid 294] newfstatat(AT_FDCWD, "./4716/cgroup.cpu", [pid 296] umount2("./4795/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4765/cgroup.cpu" [pid 294] unlink("./4716/cgroup.cpu" [pid 296] newfstatat(AT_FDCWD, "./4795/binderfs", [pid 295] <... unlink resumed>) = 0 [pid 295] umount2("./4765/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4716/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4795/binderfs" [pid 295] newfstatat(AT_FDCWD, "./4765/binderfs", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4716/binderfs", [pid 296] umount2("./4795/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4765/binderfs" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./4795/cgroup", [pid 295] <... unlink resumed>) = 0 [pid 294] unlink("./4716/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4765/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] unlink("./4795/cgroup" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4716/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4765/cgroup", [pid 296] umount2("./4795/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4716/cgroup", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4765/cgroup" [pid 296] newfstatat(AT_FDCWD, "./4795/cgroup.net", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] unlink("./4716/cgroup" [pid 296] unlink("./4795/cgroup.net" [pid 295] umount2("./4765/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 5733] <... bpf resumed>) = 5 [pid 5731] <... bpf resumed>) = 5 [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4716/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5733] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./4765/cgroup.net", [pid 5733] <... futex resumed>) = 1 [pid 5731] <... futex resumed>) = 1 [pid 5730] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5730] close(3 [pid 5729] close(3 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4716/cgroup.net", [pid 5730] <... close resumed>) = 0 [pid 5729] <... close resumed>) = 0 [pid 296] close(3 [pid 295] unlink("./4765/cgroup.net" [pid 5730] close(4 [pid 5729] close(4 [pid 296] <... close resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5730] <... close resumed>) = 0 [pid 5729] <... close resumed>) = 0 [pid 296] rmdir("./4795" [pid 295] <... unlink resumed>) = 0 [pid 5730] close(5 [pid 5729] close(5 [pid 294] unlink("./4716/cgroup.net" [pid 5730] <... close resumed>) = 0 [pid 5729] <... close resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 5730] close(6 [pid 5729] close(6 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] getdents64(3, [pid 296] mkdir("./4796", 0777 [pid 294] <... unlink resumed>) = 0 [pid 5730] close(7 [pid 5729] close(7 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(8 [pid 5729] close(8 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(9 [pid 5729] close(9 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... mkdir resumed>) = 0 [pid 295] close(3 [pid 294] getdents64(3, [pid 5730] close(10 [pid 5729] close(10 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... close resumed>) = 0 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5730] close(11 [pid 5729] close(11 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(12 [pid 5729] close(12 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(13 [pid 5729] close(13 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5735 attached [pid 5730] close(14 [pid 5729] close(14 [pid 295] rmdir("./4765" [pid 294] close(3 [pid 5735] set_robust_list(0x5555568776a0, 24 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14165 [pid 5735] <... set_robust_list resumed>) = 0 [pid 5730] close(15 [pid 5729] close(15 [pid 5735] chdir("./4796" [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... chdir resumed>) = 0 [pid 5730] close(16 [pid 5729] close(16 [pid 295] <... rmdir resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 5735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] mkdir("./4766", 0777 [pid 294] rmdir("./4716" [pid 5735] <... prctl resumed>) = 0 [pid 5730] close(17 [pid 5729] close(17 [pid 5735] setpgid(0, 0 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... setpgid resumed>) = 0 [pid 5730] close(18 [pid 5729] close(18 [pid 5735] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... rmdir resumed>) = 0 [pid 5735] <... symlink resumed>) = 0 [pid 5730] close(19 [pid 5729] close(19 [pid 295] <... mkdir resumed>) = 0 [pid 294] mkdir("./4717", 0777 [pid 5735] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5735] <... symlink resumed>) = 0 [pid 5730] close(20 [pid 5729] close(20 [pid 294] <... mkdir resumed>) = 0 [pid 5735] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... symlink resumed>) = 0 [pid 5730] close(21 [pid 5729] close(21./strace-static-x86_64: Process 5736 attached [pid 5735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5736] set_robust_list(0x5555568776a0, 24 [pid 5735] <... openat resumed>) = 3 [pid 5730] close(22 [pid 5729] close(22 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14058 [pid 5736] <... set_robust_list resumed>) = 0 [pid 5735] write(3, "1000", 4 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5736] chdir("./4766" [pid 5735] <... write resumed>) = 4 [pid 5730] close(23 [pid 5729] close(23./strace-static-x86_64: Process 5737 attached [pid 5736] <... chdir resumed>) = 0 [pid 5735] close(3 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] set_robust_list(0x5555568776a0, 24 [pid 5736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5735] <... close resumed>) = 0 [pid 5730] close(24 [pid 5729] close(24 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13890 [pid 5737] <... set_robust_list resumed>) = 0 [pid 5736] <... prctl resumed>) = 0 [pid 5735] symlink("/dev/binderfs", "./binderfs" [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] chdir("./4717" [pid 5736] setpgid(0, 0 [pid 5735] <... symlink resumed>) = 0 [pid 5730] close(25 [pid 5729] close(25 [pid 5737] <... chdir resumed>) = 0 [pid 5736] <... setpgid resumed>) = 0 [pid 5735] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5736] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5735] <... futex resumed>) = 0 [pid 5730] close(26 [pid 5729] close(26 [pid 5737] <... prctl resumed>) = 0 [pid 5736] <... symlink resumed>) = 0 [pid 5735] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] setpgid(0, 0 [pid 5736] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5735] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5730] close(27 [pid 5729] close(27 [pid 5737] <... setpgid resumed>) = 0 [pid 5736] <... symlink resumed>) = 0 [pid 5735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5736] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5730] close(28 [pid 5729] close(28 [pid 5737] <... symlink resumed>) = 0 [pid 5736] <... symlink resumed>) = 0 [pid 5735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5735] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5730] close(29 [pid 5729] close(29 [pid 5737] <... symlink resumed>) = 0 [pid 5736] <... openat resumed>) = 3 [pid 5735] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5736] write(3, "1000", 4 [pid 5735] <... mprotect resumed>) = 0 [pid 5730] exit_group(0 [pid 5729] exit_group(0 [pid 5737] <... symlink resumed>) = 0 [pid 5736] <... write resumed>) = 4 [pid 5735] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5734] <... futex resumed>) = ? [pid 5733] <... futex resumed>) = ? [pid 5732] <... futex resumed>) = ? [pid 5731] <... futex resumed>) = ? [pid 5730] <... exit_group resumed>) = ? [pid 5729] <... exit_group resumed>) = ? [pid 5737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5736] close(3 [pid 5735] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5734] +++ exited with 0 +++ [pid 5733] +++ exited with 0 +++ [pid 5732] +++ exited with 0 +++ [pid 5731] +++ exited with 0 +++ [pid 5730] +++ exited with 0 +++ [pid 5729] +++ exited with 0 +++ [pid 5737] <... openat resumed>) = 3 [pid 5736] <... close resumed>) = 0 [pid 5735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14235, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5738 attached [pid 5737] write(3, "1000", 4 [pid 5736] symlink("/dev/binderfs", "./binderfs" [pid 5738] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5737] <... write resumed>) = 4 [pid 5736] <... symlink resumed>) = 0 [pid 5738] <... set_robust_list resumed>) = 0 [pid 5737] close(3 [pid 5736] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... clone3 resumed> => {parent_tid=[14166]}, 88) = 14166 [pid 5738] rt_sigprocmask(SIG_SETMASK, [], [pid 5737] <... close resumed>) = 0 [pid 5736] <... futex resumed>) = 0 [pid 5735] rt_sigprocmask(SIG_SETMASK, [], [pid 297] umount2("./4827", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5737] symlink("/dev/binderfs", "./binderfs" [pid 5736] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5738] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] <... symlink resumed>) = 0 [pid 5736] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5735] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] openat(AT_FDCWD, "./4827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5737] <... futex resumed>) = 0 [pid 5736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5737] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5737] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5736] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5735] <... futex resumed>) = 0 [pid 5737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5736] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5736] <... mprotect resumed>) = 0 [pid 5738] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5736] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5735] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... openat resumed>) = 3 [pid 5738] <... bpf resumed>) = 3 [pid 5737] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5736] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] newfstatat(3, "", [pid 5737] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5739 attached [pid 5738] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... mprotect resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5739] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5738] <... futex resumed>) = 1 [pid 5737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5736] <... clone3 resumed> => {parent_tid=[14059]}, 88) = 14059 [pid 5735] <... futex resumed>) = 0 [pid 297] getdents64(3, [pid 5739] <... set_robust_list resumed>) = 0 [pid 5738] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5736] rt_sigprocmask(SIG_SETMASK, [], [pid 5735] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] rt_sigprocmask(SIG_SETMASK, [], [pid 5738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5735] <... futex resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4653", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5740 attached [pid 5739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5738] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5736] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5737] <... clone3 resumed> => {parent_tid=[13891]}, 88) = 13891 [pid 5736] <... futex resumed>) = 0 [pid 5739] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5735] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4827/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5740] <... set_robust_list resumed>) = 0 [pid 5739] <... bpf resumed>) = 3 [pid 5738] <... bpf resumed>) = 0 [pid 5737] rt_sigprocmask(SIG_SETMASK, [], [pid 5736] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5740] rt_sigprocmask(SIG_SETMASK, [], [pid 5739] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] newfstatat(AT_FDCWD, "./4827/cgroup.cpu", [pid 5740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5737] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... openat resumed>) = 3 [pid 5740] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5739] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5738] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] <... futex resumed>) = 0 [pid 5736] <... futex resumed>) = 0 [pid 5735] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] unlink("./4827/cgroup.cpu" [pid 293] newfstatat(3, "", [pid 5740] <... bpf resumed>) = 3 [pid 5737] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5739] <... bpf resumed>) = 0 [pid 5736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5735] <... mprotect resumed>) = 0 [pid 5736] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5736] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5735] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5740] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] umount2("./4827/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 5735] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5740] <... futex resumed>) = 1 [pid 5739] <... futex resumed>) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5741 attached [pid 5740] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5739] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] newfstatat(AT_FDCWD, "./4827/binderfs", [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5741] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5737] <... futex resumed>) = 0 [pid 5737] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... clone3 resumed> => {parent_tid=[14060]}, 88) = 14060 [pid 5741] <... set_robust_list resumed>) = 0 [pid 5740] <... bpf resumed>) = 0 [pid 5737] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5742 attached [pid 5741] rt_sigprocmask(SIG_SETMASK, [], [pid 5740] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5736] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4653/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5742] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5737] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5735] <... clone3 resumed> => {parent_tid=[14167]}, 88) = 14167 [pid 297] unlink("./4827/binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5742] <... set_robust_list resumed>) = 0 [pid 5737] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5742] rt_sigprocmask(SIG_SETMASK, [], [pid 5741] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] <... mprotect resumed>) = 0 [pid 5735] rt_sigprocmask(SIG_SETMASK, [], [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5736] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4653/cgroup.cpu", [pid 5742] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5735] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5736] <... futex resumed>) = 0 [pid 297] umount2("./4827/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5743 attached [pid 5742] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5743] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5742] <... bpf resumed>) = 4 [pid 5741] <... bpf resumed>) = 4 [pid 5736] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4653/cgroup.cpu" [pid 5743] <... set_robust_list resumed>) = 0 [pid 5741] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... clone3 resumed> => {parent_tid=[13892]}, 88) = 13892 [pid 5735] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] newfstatat(AT_FDCWD, "./4827/cgroup", [pid 5743] rt_sigprocmask(SIG_SETMASK, [], [pid 5742] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 293] <... unlink resumed>) = 0 [pid 5743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5737] rt_sigprocmask(SIG_SETMASK, [], [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4653/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5743] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5742] <... futex resumed>) = 0 [pid 5741] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5736] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4827/cgroup" [pid 5742] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] <... futex resumed>) = 0 [pid 5737] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... futex resumed>) = 1 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5743] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5738] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5737] <... futex resumed>) = 1 [pid 5736] <... futex resumed>) = 1 [pid 5735] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4653/binderfs", [pid 5743] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5739] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5738] <... bpf resumed>) = 5 [pid 5737] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] umount2("./4827/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5743] <... bpf resumed>) = 4 [pid 5739] <... bpf resumed>) = 5 [pid 5738] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5743] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4827/cgroup.net", [pid 293] unlink("./4653/binderfs" [pid 5743] <... futex resumed>) = 1 [pid 5739] <... futex resumed>) = 1 [pid 5738] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] <... futex resumed>) = 0 [pid 5736] <... futex resumed>) = 0 [pid 5735] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5743] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5739] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] close(3 [pid 5735] <... close resumed>) = 0 [pid 297] unlink("./4827/cgroup.net" [pid 293] <... unlink resumed>) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5737] <... futex resumed>) = 1 [pid 5736] <... close resumed>) = 0 [pid 5736] close(4) = 0 [pid 297] <... unlink resumed>) = 0 [pid 5740] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5737] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5736] close(5 [pid 5735] close(4 [pid 297] getdents64(3, [pid 293] umount2("./4653/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5740] <... bpf resumed>) = 5 [pid 5736] <... close resumed>) = 0 [pid 5735] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5740] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] close(6 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5740] <... futex resumed>) = 1 [pid 5737] <... futex resumed>) = 0 [pid 5736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(5 [pid 297] close(3 [pid 293] newfstatat(AT_FDCWD, "./4653/cgroup", [pid 5740] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] close(3 [pid 5736] close(7) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5737] <... close resumed>) = 0 [pid 5736] close(8 [pid 297] rmdir("./4827" [pid 293] unlink("./4653/cgroup" [pid 5737] close(4 [pid 5736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5736] close(9) = -1 EBADF (Bad file descriptor) [pid 5736] close(10) = -1 EBADF (Bad file descriptor) [pid 5736] close(11) = -1 EBADF (Bad file descriptor) [pid 5736] close(12) = -1 EBADF (Bad file descriptor) [pid 5736] close(13) = -1 EBADF (Bad file descriptor) [pid 5736] close(14 [pid 297] <... rmdir resumed>) = 0 [pid 5736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5736] close(15) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 5737] <... close resumed>) = 0 [pid 5736] close(16 [pid 5737] close(5 [pid 297] mkdir("./4828", 0777 [pid 293] umount2("./4653/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5736] close(17) = -1 EBADF (Bad file descriptor) [pid 5736] close(18) = -1 EBADF (Bad file descriptor) [pid 5736] close(19) = -1 EBADF (Bad file descriptor) [pid 5736] close(20) = -1 EBADF (Bad file descriptor) [pid 297] <... mkdir resumed>) = 0 [pid 5736] close(21 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5736] close(22) = -1 EBADF (Bad file descriptor) [pid 5736] close(23) = -1 EBADF (Bad file descriptor) [pid 5736] close(24) = -1 EBADF (Bad file descriptor) [pid 5736] close(25) = -1 EBADF (Bad file descriptor) [pid 5736] close(26) = -1 EBADF (Bad file descriptor) [pid 5736] close(27) = -1 EBADF (Bad file descriptor) [pid 5736] close(28) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5744 attached [pid 5736] close(29 [pid 293] newfstatat(AT_FDCWD, "./4653/cgroup.net", [pid 5744] set_robust_list(0x5555568776a0, 24 [pid 5736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14238 [pid 5744] <... set_robust_list resumed>) = 0 [pid 5736] exit_group(0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5744] chdir("./4828" [pid 5741] <... futex resumed>) = ? [pid 5739] <... futex resumed>) = ? [pid 5736] <... exit_group resumed>) = ? [pid 293] unlink("./4653/cgroup.net" [pid 5744] <... chdir resumed>) = 0 [pid 5741] +++ exited with 0 +++ [pid 5739] +++ exited with 0 +++ [pid 5736] +++ exited with 0 +++ [pid 5744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5744] setpgid(0, 0) = 0 [pid 5744] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] <... unlink resumed>) = 0 [pid 5744] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 293] getdents64(3, [pid 5744] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] umount2("./4766", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] close(3 [pid 5744] <... openat resumed>) = 3 [pid 5744] write(3, "1000", 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5744] <... write resumed>) = 4 [pid 293] <... close resumed>) = 0 [pid 5744] close(3 [pid 295] openat(AT_FDCWD, "./4766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5744] <... close resumed>) = 0 [pid 5744] symlink("/dev/binderfs", "./binderfs" [pid 293] rmdir("./4653" [pid 5744] <... symlink resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 5744] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5744] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 295] newfstatat(3, "", [pid 293] <... rmdir resumed>) = 0 [pid 5744] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] mkdir("./4654", 0777 [pid 5744] <... mprotect resumed>) = 0 [pid 295] getdents64(3, [pid 5744] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5745 attached [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... mkdir resumed>) = 0 [pid 5745] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5744] <... clone3 resumed> => {parent_tid=[14239]}, 88) = 14239 [pid 295] umount2("./4766/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5745] <... set_robust_list resumed>) = 0 [pid 5744] rt_sigprocmask(SIG_SETMASK, [], [pid 5745] rt_sigprocmask(SIG_SETMASK, [], [pid 5744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5744] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5744] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5746 attached [pid 5745] <... bpf resumed>) = 3 [pid 5744] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] newfstatat(AT_FDCWD, "./4766/cgroup.cpu", [pid 5746] set_robust_list(0x5555568776a0, 24 [pid 5745] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] <... set_robust_list resumed>) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5744] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13726 [pid 5746] chdir("./4654" [pid 5745] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5744] <... futex resumed>) = 0 [pid 295] unlink("./4766/cgroup.cpu" [pid 5746] <... chdir resumed>) = 0 [pid 5745] <... bpf resumed>) = 0 [pid 5744] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5745] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... futex resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5746] <... prctl resumed>) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] umount2("./4766/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5746] setpgid(0, 0 [pid 5745] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5746] <... setpgid resumed>) = 0 [pid 5744] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5746] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5744] <... mprotect resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4766/binderfs", [pid 5746] <... symlink resumed>) = 0 [pid 5744] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5746] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5744] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5746] <... symlink resumed>) = 0 [pid 5744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] unlink("./4766/binderfs"./strace-static-x86_64: Process 5747 attached [pid 5746] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5747] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5746] <... symlink resumed>) = 0 [pid 5744] <... clone3 resumed> => {parent_tid=[14240]}, 88) = 14240 [pid 295] <... unlink resumed>) = 0 [pid 5747] <... set_robust_list resumed>) = 0 [pid 5746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5744] rt_sigprocmask(SIG_SETMASK, [], [pid 295] umount2("./4766/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5747] rt_sigprocmask(SIG_SETMASK, [], [pid 5746] <... openat resumed>) = 3 [pid 5744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5746] write(3, "1000", 4 [pid 5744] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5746] <... write resumed>) = 4 [pid 5744] <... futex resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4766/cgroup", [pid 5747] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5746] close(3 [pid 5744] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5746] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5747] <... bpf resumed>) = 4 [pid 5746] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4766/cgroup" [pid 5746] <... futex resumed>) = 0 [pid 5746] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5746] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5747] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 295] umount2("./4766/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5747] <... futex resumed>) = 1 [pid 5746] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5744] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5747] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5744] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5745] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 1 [pid 295] newfstatat(AT_FDCWD, "./4766/cgroup.net", ./strace-static-x86_64: Process 5748 attached [pid 5745] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5744] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5748] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5746] <... clone3 resumed> => {parent_tid=[13727]}, 88) = 13727 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5748] <... set_robust_list resumed>) = 0 [pid 5746] rt_sigprocmask(SIG_SETMASK, [], [pid 295] unlink("./4766/cgroup.net" [pid 5748] rt_sigprocmask(SIG_SETMASK, [], [pid 5746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5746] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5746] <... futex resumed>) = 0 [pid 5737] <... close resumed>) = 0 [pid 5735] <... close resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5748] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5746] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] close(6 [pid 295] getdents64(3, [pid 5748] <... bpf resumed>) = 3 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(6 [pid 5748] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5748] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5737] close(7 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] close(3 [pid 5748] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(7 [pid 295] <... close resumed>) = 0 [pid 5748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] <... futex resumed>) = 0 [pid 5737] close(8 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] rmdir("./4766" [pid 5748] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5746] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(8 [pid 5746] <... futex resumed>) = 0 [pid 5746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5746] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5746] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5737] close(9 [pid 295] <... rmdir resumed>) = 0 [pid 5746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5749 attached [pid 5748] <... bpf resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] mkdir("./4767", 0777 [pid 5749] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5748] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] close(10 [pid 5735] close(9 [pid 5746] <... clone3 resumed> => {parent_tid=[13728]}, 88) = 13728 [pid 5746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5746] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5746] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... mkdir resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5748] <... futex resumed>) = 0 [pid 5749] <... set_robust_list resumed>) = 0 [pid 5748] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] close(11 [pid 5735] close(10 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5749] rt_sigprocmask(SIG_SETMASK, [], [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5750 attached [pid 5749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5737] close(12 [pid 5735] close(11 [pid 5750] set_robust_list(0x5555568776a0, 24 [pid 5749] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14061 [pid 5750] <... set_robust_list resumed>) = 0 [pid 5750] chdir("./4767") = 0 [pid 5750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5750] setpgid(0, 0 [pid 5749] <... bpf resumed>) = 4 [pid 5750] <... setpgid resumed>) = 0 [pid 5737] close(13 [pid 5749] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] close(12 [pid 5750] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5749] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] <... symlink resumed>) = 0 [pid 5749] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] close(14 [pid 5735] close(13 [pid 5750] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5748] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = 1 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] <... symlink resumed>) = 0 [pid 5748] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5746] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5750] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5737] close(15 [pid 5735] close(14 [pid 5750] <... symlink resumed>) = 0 [pid 5750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] write(3, "1000", 4 [pid 5737] close(16 [pid 5735] close(15 [pid 5750] <... write resumed>) = 4 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] close(3) = 0 [pid 5737] close(17 [pid 5750] symlink("/dev/binderfs", "./binderfs" [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(16 [pid 5750] <... symlink resumed>) = 0 [pid 5737] close(18 [pid 5750] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] <... futex resumed>) = 0 [pid 5737] close(19 [pid 5735] close(17 [pid 5750] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5737] close(20 [pid 5735] close(18 [pid 5750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5737] close(21 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(19 [pid 5750] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5737] close(22 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(20 [pid 5750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5737] close(23 [pid 5750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5751 attached [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(21 [pid 5751] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5750] <... clone3 resumed> => {parent_tid=[14062]}, 88) = 14062 [pid 5737] close(24 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] <... set_robust_list resumed>) = 0 [pid 5750] rt_sigprocmask(SIG_SETMASK, [], [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(22 [pid 5751] rt_sigprocmask(SIG_SETMASK, [], [pid 5750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5737] close(25 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5750] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(23 [pid 5750] <... futex resumed>) = 0 [pid 5750] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5737] close(26 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] <... bpf resumed>) = 3 [pid 5748] <... bpf resumed>) = 5 [pid 5745] <... bpf resumed>) = 5 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(24 [pid 5751] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] close(27 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] <... futex resumed>) = 1 [pid 5750] <... futex resumed>) = 0 [pid 5748] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5745] <... futex resumed>) = 1 [pid 5744] <... futex resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(25 [pid 5751] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5750] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] close(3 [pid 5745] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] close(3 [pid 5737] close(28 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5750] <... futex resumed>) = 0 [pid 5746] <... close resumed>) = 0 [pid 5744] <... close resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(26 [pid 5751] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5750] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] close(4 [pid 5744] close(4 [pid 5737] close(29 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] <... bpf resumed>) = 0 [pid 5750] <... futex resumed>) = 0 [pid 5746] <... close resumed>) = 0 [pid 5744] <... close resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(27 [pid 5751] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5746] close(5 [pid 5744] close(5 [pid 5737] exit_group(0 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] <... futex resumed>) = 0 [pid 5750] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5746] <... close resumed>) = 0 [pid 5744] <... close resumed>) = 0 [pid 5743] <... futex resumed>) = ? [pid 5740] <... futex resumed>) = ? [pid 5737] <... exit_group resumed>) = ? [pid 5735] close(28 [pid 5751] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5750] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5746] close(6 [pid 5744] close(6 [pid 5743] +++ exited with 0 +++ [pid 5740] +++ exited with 0 +++ [pid 5737] +++ exited with 0 +++ [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] <... mprotect resumed>) = 0 [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(29 [pid 5750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5746] close(7 [pid 5744] close(7 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] exit_group(0 [pid 294] umount2("./4717", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5746] close(8 [pid 5744] close(8 [pid 5742] <... futex resumed>) = ? [pid 5738] <... futex resumed>) = ? [pid 5735] <... exit_group resumed>) = ? [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5752 attached [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] +++ exited with 0 +++ [pid 5738] +++ exited with 0 +++ [pid 5735] +++ exited with 0 +++ [pid 294] openat(AT_FDCWD, "./4717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5752] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5750] <... clone3 resumed> => {parent_tid=[14063]}, 88) = 14063 [pid 5746] close(9 [pid 5744] close(9 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] <... openat resumed>) = 3 [pid 5752] <... set_robust_list resumed>) = 0 [pid 5750] rt_sigprocmask(SIG_SETMASK, [], [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(3, "", [pid 5752] rt_sigprocmask(SIG_SETMASK, [], [pid 5750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5746] close(10 [pid 5744] close(10 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5750] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4796", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] getdents64(3, [pid 5752] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5750] <... futex resumed>) = 0 [pid 5746] close(11 [pid 5744] close(11 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] openat(AT_FDCWD, "./4796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] umount2("./4717/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... openat resumed>) = 3 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(3, "", [pid 5750] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] newfstatat(AT_FDCWD, "./4717/cgroup.cpu", [pid 5752] <... bpf resumed>) = 4 [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5752] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] close(12 [pid 5744] close(12 [pid 296] getdents64(3, [pid 294] unlink("./4717/cgroup.cpu" [pid 5752] <... futex resumed>) = 1 [pid 5750] <... futex resumed>) = 0 [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... unlink resumed>) = 0 [pid 5752] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5750] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] close(13 [pid 5744] close(13 [pid 296] umount2("./4796/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4717/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5751] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = 1 [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5751] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5750] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5746] close(14 [pid 5744] close(14 [pid 296] newfstatat(AT_FDCWD, "./4796/cgroup.cpu", [pid 294] newfstatat(AT_FDCWD, "./4717/binderfs", [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5746] close(15 [pid 5744] close(15 [pid 296] unlink("./4796/cgroup.cpu" [pid 294] unlink("./4717/binderfs" [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 5746] close(16 [pid 5744] close(16 [pid 296] umount2("./4796/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4717/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5746] close(17 [pid 5744] close(17 [pid 296] newfstatat(AT_FDCWD, "./4796/binderfs", [pid 294] newfstatat(AT_FDCWD, "./4717/cgroup", [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5746] close(18 [pid 5744] close(18 [pid 296] unlink("./4796/binderfs" [pid 294] unlink("./4717/cgroup" [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 5746] close(19 [pid 5744] close(19 [pid 296] umount2("./4796/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4717/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5746] close(20 [pid 5744] close(20 [pid 296] newfstatat(AT_FDCWD, "./4796/cgroup", [pid 294] newfstatat(AT_FDCWD, "./4717/cgroup.net", [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5746] close(21 [pid 5744] close(21 [pid 296] unlink("./4796/cgroup" [pid 294] unlink("./4717/cgroup.net" [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 5746] close(22 [pid 5744] close(22 [pid 296] umount2("./4796/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] getdents64(3, [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5746] close(23 [pid 5744] close(23 [pid 296] newfstatat(AT_FDCWD, "./4796/cgroup.net", [pid 294] close(3 [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... close resumed>) = 0 [pid 5746] close(24 [pid 5744] close(24 [pid 296] unlink("./4796/cgroup.net" [pid 294] rmdir("./4717" [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 294] <... rmdir resumed>) = 0 [pid 5746] close(25 [pid 5744] close(25 [pid 296] getdents64(3, [pid 294] mkdir("./4718", 0777 [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 5746] close(26 [pid 5744] close(26 [pid 296] close(3 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... close resumed>) = 0 ./strace-static-x86_64: Process 5753 attached [pid 5746] close(27 [pid 5744] close(27 [pid 296] rmdir("./4796" [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13893 [pid 5753] set_robust_list(0x5555568776a0, 24 [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... rmdir resumed>) = 0 [pid 5753] <... set_robust_list resumed>) = 0 [pid 5746] close(28 [pid 5744] close(28 [pid 296] mkdir("./4797", 0777 [pid 5753] chdir("./4718" [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... mkdir resumed>) = 0 [pid 5753] <... chdir resumed>) = 0 [pid 5746] close(29 [pid 5744] close(29 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5754 attached [pid 5753] <... prctl resumed>) = 0 [pid 5746] exit_group(0 [pid 5744] exit_group(0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14168 [pid 5754] set_robust_list(0x5555568776a0, 24 [pid 5753] setpgid(0, 0 [pid 5754] <... set_robust_list resumed>) = 0 [pid 5753] <... setpgid resumed>) = 0 [pid 5751] <... bpf resumed>) = 5 [pid 5747] <... futex resumed>) = ? [pid 5744] <... exit_group resumed>) = ? [pid 5749] <... futex resumed>) = ? [pid 5748] <... futex resumed>) = ? [pid 5746] <... exit_group resumed>) = ? [pid 5745] <... futex resumed>) = ? [pid 5754] chdir("./4797" [pid 5753] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5749] +++ exited with 0 +++ [pid 5747] +++ exited with 0 +++ [pid 5751] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5750] <... futex resumed>) = 0 [pid 5751] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5750] close(3 [pid 5748] +++ exited with 0 +++ [pid 5745] +++ exited with 0 +++ [pid 5744] +++ exited with 0 +++ [pid 5750] <... close resumed>) = 0 [pid 5750] close(4) = 0 [pid 5750] close(5 [pid 5746] +++ exited with 0 +++ [pid 5754] <... chdir resumed>) = 0 [pid 5753] <... symlink resumed>) = 0 [pid 5750] <... close resumed>) = 0 [pid 5754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5753] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5750] close(6 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5754] <... prctl resumed>) = 0 [pid 5753] <... symlink resumed>) = 0 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5754] setpgid(0, 0 [pid 5753] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5750] close(7 [pid 297] umount2("./4828", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5754] <... setpgid resumed>) = 0 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... restart_syscall resumed>) = 0 [pid 5753] <... symlink resumed>) = 0 [pid 5750] close(8) = -1 EBADF (Bad file descriptor) [pid 5750] close(9) = -1 EBADF (Bad file descriptor) [pid 5754] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5750] close(10) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5750] close(11 [pid 5754] <... symlink resumed>) = 0 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] close(12 [pid 5754] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] close(13 [pid 5753] <... openat resumed>) = 3 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] close(14 [pid 5754] <... symlink resumed>) = 0 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5753] write(3, "1000", 4 [pid 5750] close(15 [pid 297] openat(AT_FDCWD, "./4828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] umount2("./4654", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... symlink resumed>) = 0 [pid 5750] close(16 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5753] <... write resumed>) = 4 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... openat resumed>) = 3 [pid 5750] close(17 [pid 293] openat(AT_FDCWD, "./4654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5754] <... openat resumed>) = 3 [pid 5753] close(3 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(3, "", [pid 5754] write(3, "1000", 4 [pid 5753] <... close resumed>) = 0 [pid 5750] close(18 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... openat resumed>) = 3 [pid 5754] <... write resumed>) = 4 [pid 5753] symlink("/dev/binderfs", "./binderfs" [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 293] newfstatat(3, "", [pid 5754] close(3 [pid 5750] close(19 [pid 5753] <... symlink resumed>) = 0 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5754] <... close resumed>) = 0 [pid 5750] close(20 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5754] symlink("/dev/binderfs", "./binderfs" [pid 5753] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] getdents64(3, [pid 5750] close(21 [pid 297] umount2("./4828/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... symlink resumed>) = 0 [pid 5750] close(22 [pid 5753] <... futex resumed>) = 0 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5754] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5750] close(23 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5754] <... futex resumed>) = 0 [pid 5753] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4828/cgroup.cpu", [pid 293] umount2("./4654/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5754] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5750] close(24 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5754] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4828/cgroup.cpu" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5750] close(25) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4654/cgroup.cpu", [pid 5754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5753] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5750] close(26 [pid 297] umount2("./4828/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5753] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5754] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5753] <... mprotect resumed>) = 0 [pid 5750] close(27 [pid 297] newfstatat(AT_FDCWD, "./4828/binderfs", [pid 293] unlink("./4654/cgroup.cpu" [pid 5754] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5753] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5750] close(28 [pid 293] <... unlink resumed>) = 0 [pid 5754] <... mprotect resumed>) = 0 [pid 5753] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4828/binderfs" [pid 293] umount2("./4654/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5750] close(29 [pid 5753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 5754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5750] exit_group(0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5755 attached [pid 5754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5752] <... futex resumed>) = ? [pid 5751] <... futex resumed>) = ? [pid 5750] <... exit_group resumed>) = ? [pid 297] umount2("./4828/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4654/binderfs", ./strace-static-x86_64: Process 5756 attached [pid 5755] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5753] <... clone3 resumed> => {parent_tid=[13894]}, 88) = 13894 [pid 5752] +++ exited with 0 +++ [pid 5751] +++ exited with 0 +++ [pid 5750] +++ exited with 0 +++ [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5756] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5755] <... set_robust_list resumed>) = 0 [pid 5754] <... clone3 resumed> => {parent_tid=[14169]}, 88) = 14169 [pid 5753] rt_sigprocmask(SIG_SETMASK, [], [pid 297] newfstatat(AT_FDCWD, "./4828/cgroup", [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] unlink("./4654/binderfs" [pid 5756] <... set_robust_list resumed>) = 0 [pid 5755] rt_sigprocmask(SIG_SETMASK, [], [pid 5754] rt_sigprocmask(SIG_SETMASK, [], [pid 5753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5756] rt_sigprocmask(SIG_SETMASK, [], [pid 5755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5753] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4828/cgroup" [pid 293] <... unlink resumed>) = 0 [pid 5756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5755] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5754] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = 0 [pid 5756] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5755] <... bpf resumed>) = 3 [pid 5754] <... futex resumed>) = 0 [pid 5753] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... unlink resumed>) = 0 [pid 295] umount2("./4767", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4654/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5756] <... bpf resumed>) = 3 [pid 5755] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] umount2("./4828/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5756] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... futex resumed>) = 0 [pid 5754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5753] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] newfstatat(AT_FDCWD, "./4654/cgroup", [pid 5756] <... futex resumed>) = 0 [pid 5755] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5754] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4828/cgroup.net", [pid 295] <... openat resumed>) = 3 [pid 5756] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5755] <... bpf resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5755] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... futex resumed>) = 0 [pid 5755] <... futex resumed>) = 0 [pid 5755] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... bpf resumed>) = 0 [pid 5753] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... futex resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5756] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(3, "", [pid 293] unlink("./4654/cgroup" [pid 5756] <... futex resumed>) = 0 [pid 5755] <... futex resumed>) = 0 [pid 5754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5753] <... futex resumed>) = 1 [pid 297] unlink("./4828/cgroup.net" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5755] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5753] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... unlink resumed>) = 0 [pid 5756] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] <... bpf resumed>) = 4 [pid 5754] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 297] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 293] umount2("./4654/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5755] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] getdents64(3, [pid 5755] <... futex resumed>) = 1 [pid 5754] <... mprotect resumed>) = 0 [pid 5753] <... futex resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5755] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5753] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 295] umount2("./4767/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4654/cgroup.net", [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5753] <... futex resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5755] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5753] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] rmdir("./4828" [pid 295] newfstatat(AT_FDCWD, "./4767/cgroup.cpu", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5757 attached [pid 5757] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 5757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 5754] <... clone3 resumed> => {parent_tid=[14170]}, 88) = 14170 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4654/cgroup.net" [pid 5757] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] rt_sigprocmask(SIG_SETMASK, [], [pid 297] mkdir("./4829", 0777 [pid 295] unlink("./4767/cgroup.cpu" [pid 293] <... unlink resumed>) = 0 [pid 5754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] getdents64(3, [pid 5754] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... mkdir resumed>) = 0 [pid 295] umount2("./4767/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5757] <... futex resumed>) = 0 [pid 5754] <... futex resumed>) = 1 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] close(3 [pid 5757] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5754] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(AT_FDCWD, "./4767/binderfs", [pid 293] <... close resumed>) = 0 [pid 5757] <... bpf resumed>) = 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] rmdir("./4654"./strace-static-x86_64: Process 5758 attached [pid 5757] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14241 [pid 295] unlink("./4767/binderfs" [pid 293] <... rmdir resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5758] set_robust_list(0x5555568776a0, 24 [pid 5757] <... futex resumed>) = 1 [pid 5754] <... futex resumed>) = 0 [pid 293] mkdir("./4655", 0777 [pid 5758] <... set_robust_list resumed>) = 0 [pid 5757] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./4767/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... mkdir resumed>) = 0 [pid 5758] chdir("./4829" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5758] <... chdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(AT_FDCWD, "./4767/cgroup", [pid 5756] <... futex resumed>) = 0 [pid 5754] <... futex resumed>) = 1 [pid 5758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5759 attached [pid 5758] setpgid(0, 0 [pid 5756] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5754] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5759] set_robust_list(0x5555568776a0, 24 [pid 5758] <... setpgid resumed>) = 0 [pid 295] unlink("./4767/cgroup" [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13729 [pid 5759] <... set_robust_list resumed>) = 0 [pid 5758] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5759] chdir("./4655" [pid 5758] <... symlink resumed>) = 0 [pid 5756] <... bpf resumed>) = 5 [pid 5755] <... bpf resumed>) = 5 [pid 295] <... unlink resumed>) = 0 [pid 5759] <... chdir resumed>) = 0 [pid 5758] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5756] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./4767/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5758] <... symlink resumed>) = 0 [pid 5756] <... futex resumed>) = 1 [pid 5755] <... futex resumed>) = 1 [pid 5754] <... futex resumed>) = 0 [pid 5753] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5759] <... prctl resumed>) = 0 [pid 5758] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5756] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] close(3 [pid 5753] close(3 [pid 295] newfstatat(AT_FDCWD, "./4767/cgroup.net", [pid 5759] setpgid(0, 0 [pid 5758] <... symlink resumed>) = 0 [pid 5754] <... close resumed>) = 0 [pid 5753] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5759] <... setpgid resumed>) = 0 [pid 5758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5754] close(4 [pid 5753] close(4 [pid 295] unlink("./4767/cgroup.net" [pid 5759] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5758] <... openat resumed>) = 3 [pid 5754] <... close resumed>) = 0 [pid 5753] <... close resumed>) = 0 [pid 5758] write(3, "1000", 4 [pid 5754] close(5 [pid 5753] close(5 [pid 295] <... unlink resumed>) = 0 [pid 5759] <... symlink resumed>) = 0 [pid 5758] <... write resumed>) = 4 [pid 295] getdents64(3, [pid 5759] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5758] close(3 [pid 5759] <... symlink resumed>) = 0 [pid 5758] <... close resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5759] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5758] symlink("/dev/binderfs", "./binderfs" [pid 295] close(3 [pid 5759] <... symlink resumed>) = 0 [pid 5758] <... symlink resumed>) = 0 [pid 5759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... close resumed>) = 0 [pid 5758] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... openat resumed>) = 3 [pid 5758] <... futex resumed>) = 0 [pid 295] rmdir("./4767" [pid 5759] write(3, "1000", 4 [pid 5758] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... rmdir resumed>) = 0 [pid 5759] <... write resumed>) = 4 [pid 5758] <... mmap resumed>) = 0x7fd4ce11b000 [pid 295] mkdir("./4768", 0777 [pid 5759] close(3 [pid 5758] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5758] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 5759] <... close resumed>) = 0 [pid 5759] symlink("/dev/binderfs", "./binderfs" [pid 5758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5760 attached [pid 5759] <... symlink resumed>) = 0 [pid 5760] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5758] <... clone3 resumed> => {parent_tid=[14242]}, 88) = 14242 [pid 5760] <... set_robust_list resumed>) = 0 [pid 5758] rt_sigprocmask(SIG_SETMASK, [], [pid 5760] rt_sigprocmask(SIG_SETMASK, [], [pid 5758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5758] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5761 attached [pid 5760] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5759] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... futex resumed>) = 0 [pid 5761] set_robust_list(0x5555568776a0, 24 [pid 5760] <... bpf resumed>) = 3 [pid 5759] <... futex resumed>) = 0 [pid 5758] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14064 [pid 5761] <... set_robust_list resumed>) = 0 [pid 5760] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5761] chdir("./4768" [pid 5760] <... futex resumed>) = 0 [pid 5759] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5758] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... chdir resumed>) = 0 [pid 5760] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5758] <... futex resumed>) = 0 [pid 5761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5760] <... bpf resumed>) = 0 [pid 5759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5758] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... prctl resumed>) = 0 [pid 5760] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5758] <... futex resumed>) = 0 [pid 5761] setpgid(0, 0 [pid 5760] <... futex resumed>) = 0 [pid 5759] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5761] <... setpgid resumed>) = 0 [pid 5760] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5758] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5761] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5759] <... mprotect resumed>) = 0 [pid 5758] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5761] <... symlink resumed>) = 0 [pid 5758] <... mprotect resumed>) = 0 [pid 5761] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5761] <... symlink resumed>) = 0 [pid 5759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5761] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5763 attached ./strace-static-x86_64: Process 5762 attached [pid 5761] <... symlink resumed>) = 0 [pid 5763] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5762] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5759] <... clone3 resumed> => {parent_tid=[13730]}, 88) = 13730 [pid 5758] <... clone3 resumed> => {parent_tid=[14243]}, 88) = 14243 [pid 5763] <... set_robust_list resumed>) = 0 [pid 5762] <... set_robust_list resumed>) = 0 [pid 5761] <... openat resumed>) = 3 [pid 5759] rt_sigprocmask(SIG_SETMASK, [], [pid 5758] rt_sigprocmask(SIG_SETMASK, [], [pid 5763] rt_sigprocmask(SIG_SETMASK, [], [pid 5762] rt_sigprocmask(SIG_SETMASK, [], [pid 5761] write(3, "1000", 4 [pid 5759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5761] <... write resumed>) = 4 [pid 5759] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5761] close(3 [pid 5759] <... futex resumed>) = 0 [pid 5758] <... futex resumed>) = 0 [pid 5762] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5761] <... close resumed>) = 0 [pid 5758] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] symlink("/dev/binderfs", "./binderfs" [pid 5763] <... bpf resumed>) = 4 [pid 5762] <... bpf resumed>) = 3 [pid 5761] <... symlink resumed>) = 0 [pid 5759] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5763] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5761] <... futex resumed>) = 0 [pid 5759] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... futex resumed>) = 0 [pid 5763] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5761] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5759] <... futex resumed>) = 0 [pid 5758] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5760] <... futex resumed>) = 0 [pid 5759] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... futex resumed>) = 1 [pid 5762] <... bpf resumed>) = 0 [pid 5761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5760] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5759] <... futex resumed>) = 0 [pid 5758] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5762] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5762] <... futex resumed>) = 0 [pid 5761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5762] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5759] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5761] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5759] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5761] <... mprotect resumed>) = 0 [pid 5759] <... mprotect resumed>) = 0 [pid 5761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5759] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5764 attached [pid 5759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5764] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5761] <... clone3 resumed> => {parent_tid=[14065]}, 88) = 14065 [pid 5761] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5765 attached [pid 5764] <... set_robust_list resumed>) = 0 [pid 5761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5765] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5764] rt_sigprocmask(SIG_SETMASK, [], [pid 5761] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... set_robust_list resumed>) = 0 [pid 5764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5761] <... futex resumed>) = 0 [pid 5759] <... clone3 resumed> => {parent_tid=[13731]}, 88) = 13731 [pid 5765] rt_sigprocmask(SIG_SETMASK, [], [pid 5764] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5761] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] rt_sigprocmask(SIG_SETMASK, [], [pid 5765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5764] <... bpf resumed>) = 3 [pid 5759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5765] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5764] <... futex resumed>) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5765] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5764] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... bpf resumed>) = 4 [pid 5764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5761] <... futex resumed>) = 0 [pid 5765] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5761] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5765] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] <... bpf resumed>) = 0 [pid 5761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5759] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5759] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5764] <... futex resumed>) = 0 [pid 5762] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5761] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5759] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5764] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] <... mprotect resumed>) = 0 [pid 5761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5766 attached [pid 5766] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5761] <... clone3 resumed> => {parent_tid=[14066]}, 88) = 14066 [pid 5753] <... close resumed>) = 0 [pid 5766] <... set_robust_list resumed>) = 0 [pid 5761] rt_sigprocmask(SIG_SETMASK, [], [pid 5754] <... close resumed>) = 0 [pid 5753] close(6 [pid 5766] rt_sigprocmask(SIG_SETMASK, [], [pid 5761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5754] close(6 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5761] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(7 [pid 5766] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5761] <... futex resumed>) = 0 [pid 5754] close(7 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] close(8) = -1 EBADF (Bad file descriptor) [pid 5753] close(9) = -1 EBADF (Bad file descriptor) [pid 5753] close(10) = -1 EBADF (Bad file descriptor) [pid 5753] close(11 [pid 5766] <... bpf resumed>) = 4 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(12 [pid 5766] <... futex resumed>) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5754] close(8 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(13 [pid 5764] <... futex resumed>) = 0 [pid 5761] <... futex resumed>) = 1 [pid 5754] close(9 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5761] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(14 [pid 5754] close(10 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(15 [pid 5754] close(11 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(16 [pid 5754] close(12 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(17 [pid 5754] close(13 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(18 [pid 5754] close(14 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(19 [pid 5754] close(15 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(20 [pid 5754] close(16 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(21 [pid 5754] close(17 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(22 [pid 5754] close(18 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(23 [pid 5754] close(19 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(24 [pid 5754] close(20 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(25 [pid 5754] close(21 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(26 [pid 5754] close(22 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(27 [pid 5754] close(23 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(28 [pid 5754] close(24 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] close(29 [pid 5754] close(25 [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] exit_group(0 [pid 5755] <... futex resumed>) = ? [pid 5754] close(26 [pid 5753] <... exit_group resumed>) = ? [pid 5755] +++ exited with 0 +++ [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] +++ exited with 0 +++ [pid 5754] close(27 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(28) = -1 EBADF (Bad file descriptor) [pid 5754] close(29) = -1 EBADF (Bad file descriptor) [pid 5754] exit_group(0 [pid 5757] <... futex resumed>) = ? [pid 5756] <... futex resumed>) = ? [pid 5754] <... exit_group resumed>) = ? [pid 5757] +++ exited with 0 +++ [pid 5756] +++ exited with 0 +++ [pid 5754] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 294] umount2("./4718", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, [pid 296] <... restart_syscall resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4797", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4718/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 294] newfstatat(AT_FDCWD, "./4718/cgroup.cpu", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] unlink("./4718/cgroup.cpu" [pid 296] umount2("./4797/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4797/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4718/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4797/cgroup.cpu") = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4797/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4718/binderfs", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4797/binderfs", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4718/binderfs" [pid 296] unlink("./4797/binderfs") = 0 [pid 294] <... unlink resumed>) = 0 [pid 296] umount2("./4797/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4718/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4797/cgroup", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4718/cgroup", [pid 296] unlink("./4797/cgroup") = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4797/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4718/cgroup" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4797/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4797/cgroup.net" [pid 294] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] umount2("./4718/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] close(3 [pid 294] newfstatat(AT_FDCWD, "./4718/cgroup.net", [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./4797" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 294] unlink("./4718/cgroup.net" [pid 296] mkdir("./4798", 0777) = 0 [pid 294] <... unlink resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] getdents64(3, ./strace-static-x86_64: Process 5767 attached [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14171 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5767] set_robust_list(0x5555568776a0, 24 [pid 294] close(3 [pid 5767] <... set_robust_list resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 5767] chdir("./4798" [pid 294] rmdir("./4718" [pid 5767] <... chdir resumed>) = 0 [pid 5767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 294] <... rmdir resumed>) = 0 [pid 5767] <... prctl resumed>) = 0 [pid 294] mkdir("./4719", 0777 [pid 5767] setpgid(0, 0 [pid 294] <... mkdir resumed>) = 0 [pid 5767] <... setpgid resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5767] symlink("/syzcgroup/unified/syz4", "./cgroup"./strace-static-x86_64: Process 5768 attached [pid 5768] set_robust_list(0x5555568776a0, 24) = 0 [pid 5768] chdir("./4719" [pid 5767] <... symlink resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13895 [pid 5768] <... chdir resumed>) = 0 [pid 5767] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5768] setpgid(0, 0) = 0 [pid 5767] <... symlink resumed>) = 0 [pid 5768] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5767] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5768] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5767] <... symlink resumed>) = 0 [pid 5768] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5768] <... symlink resumed>) = 0 [pid 5768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5767] <... openat resumed>) = 3 [pid 5768] write(3, "1000", 4 [pid 5767] write(3, "1000", 4 [pid 5768] <... write resumed>) = 4 [pid 5768] close(3 [pid 5767] <... write resumed>) = 4 [pid 5768] <... close resumed>) = 0 [pid 5767] close(3 [pid 5768] symlink("/dev/binderfs", "./binderfs" [pid 5760] <... bpf resumed>) = 5 [pid 5768] <... symlink resumed>) = 0 [pid 5767] <... close resumed>) = 0 [pid 5764] <... bpf resumed>) = 5 [pid 5762] <... bpf resumed>) = 5 [pid 5760] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] symlink("/dev/binderfs", "./binderfs" [pid 5764] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] <... futex resumed>) = 1 [pid 5758] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = 0 [pid 5767] <... symlink resumed>) = 0 [pid 5760] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] close(3 [pid 5768] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5767] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5758] <... close resumed>) = 0 [pid 5768] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5767] <... futex resumed>) = 0 [pid 5764] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] close(3 [pid 5759] close(3 [pid 5758] close(4 [pid 5768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5767] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5761] <... close resumed>) = 0 [pid 5759] <... close resumed>) = 0 [pid 5758] <... close resumed>) = 0 [pid 5768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5767] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5761] close(4 [pid 5759] close(4 [pid 5758] close(5 [pid 5768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5761] <... close resumed>) = 0 [pid 5759] <... close resumed>) = 0 [pid 5758] <... close resumed>) = 0 [pid 5768] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5761] close(5 [pid 5759] close(5 [pid 5758] close(6 [pid 5768] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... mprotect resumed>) = 0 [pid 5767] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5758] close(7 [pid 5768] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5767] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5767] <... mprotect resumed>) = 0 [pid 5758] close(8 [pid 5768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5769 attached [pid 5767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5758] close(9 [pid 5769] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5768] <... clone3 resumed> => {parent_tid=[13896]}, 88) = 13896 [pid 5767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5769] <... set_robust_list resumed>) = 0 [pid 5768] rt_sigprocmask(SIG_SETMASK, [], [pid 5767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5758] close(10./strace-static-x86_64: Process 5770 attached [pid 5769] rt_sigprocmask(SIG_SETMASK, [], [pid 5768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5768] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... clone3 resumed> => {parent_tid=[14172]}, 88) = 14172 [pid 5758] close(11 [pid 5770] <... set_robust_list resumed>) = 0 [pid 5769] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5768] <... futex resumed>) = 0 [pid 5767] rt_sigprocmask(SIG_SETMASK, [], [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] rt_sigprocmask(SIG_SETMASK, [], [pid 5769] <... bpf resumed>) = 3 [pid 5768] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5758] close(12 [pid 5770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5769] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5769] <... futex resumed>) = 0 [pid 5768] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... futex resumed>) = 0 [pid 5758] close(13 [pid 5770] <... bpf resumed>) = 3 [pid 5769] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5768] <... futex resumed>) = 0 [pid 5767] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] close(14 [pid 5769] <... bpf resumed>) = 0 [pid 5770] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = 0 [pid 5769] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] <... futex resumed>) = 0 [pid 5768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5767] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] close(15 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5767] <... futex resumed>) = 0 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5768] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5767] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] close(16 [pid 5770] <... bpf resumed>) = 0 [pid 5768] <... mprotect resumed>) = 0 [pid 5767] <... futex resumed>) = 0 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5758] close(17 [pid 5770] <... futex resumed>) = 0 [pid 5768] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5767] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5767] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5758] close(18./strace-static-x86_64: Process 5771 attached [pid 5767] <... mprotect resumed>) = 0 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5771] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5768] <... clone3 resumed> => {parent_tid=[13897]}, 88) = 13897 [pid 5767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5758] close(19 [pid 5771] <... set_robust_list resumed>) = 0 [pid 5768] rt_sigprocmask(SIG_SETMASK, [], [pid 5767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5771] rt_sigprocmask(SIG_SETMASK, [], [pid 5768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5758] close(20 [pid 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5768] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5772 attached [pid 5768] <... futex resumed>) = 0 [pid 5758] close(21 [pid 5771] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5772] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5768] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5767] <... clone3 resumed> => {parent_tid=[14173]}, 88) = 14173 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] <... set_robust_list resumed>) = 0 [pid 5771] <... bpf resumed>) = 4 [pid 5767] rt_sigprocmask(SIG_SETMASK, [], [pid 5758] close(22 [pid 5772] rt_sigprocmask(SIG_SETMASK, [], [pid 5771] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] <... futex resumed>) = 1 [pid 5768] <... futex resumed>) = 0 [pid 5767] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] close(23 [pid 5772] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5771] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... futex resumed>) = 0 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] <... bpf resumed>) = 4 [pid 5769] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = 1 [pid 5767] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] close(24 [pid 5772] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5768] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] <... futex resumed>) = 0 [pid 5767] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] close(25 [pid 5772] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] <... futex resumed>) = 0 [pid 5767] <... futex resumed>) = 1 [pid 5758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5767] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5758] close(26) = -1 EBADF (Bad file descriptor) [pid 5758] close(27) = -1 EBADF (Bad file descriptor) [pid 5758] close(28) = -1 EBADF (Bad file descriptor) [pid 5758] close(29) = -1 EBADF (Bad file descriptor) [pid 5758] exit_group(0 [pid 5763] <... futex resumed>) = ? [pid 5760] <... futex resumed>) = ? [pid 5758] <... exit_group resumed>) = ? [pid 5763] +++ exited with 0 +++ [pid 5760] +++ exited with 0 +++ [pid 5758] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./4829", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4829/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4829/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4829/cgroup.cpu") = 0 [pid 297] umount2("./4829/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4829/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4829/binderfs") = 0 [pid 297] umount2("./4829/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4829/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4829/cgroup") = 0 [pid 297] umount2("./4829/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5761] <... close resumed>) = 0 [pid 5761] close(6 [pid 5759] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4829/cgroup.net", [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(6 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5761] close(7 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4829/cgroup.net" [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(7 [pid 297] <... unlink resumed>) = 0 [pid 5761] close(8 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(8 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5761] close(9 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] close(3 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(9 [pid 297] <... close resumed>) = 0 [pid 5761] close(10 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4829" [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(10 [pid 297] <... rmdir resumed>) = 0 [pid 5761] close(11 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] mkdir("./4830", 0777 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(11 [pid 297] <... mkdir resumed>) = 0 [pid 5761] close(12 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(12./strace-static-x86_64: Process 5773 attached [pid 5761] close(13 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14244 [pid 5773] set_robust_list(0x5555568776a0, 24 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(13 [pid 5773] <... set_robust_list resumed>) = 0 [pid 5761] close(14 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] chdir("./4830" [pid 5761] close(15 [pid 5759] close(14 [pid 5773] <... chdir resumed>) = 0 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5761] close(16 [pid 5759] close(15 [pid 5773] <... prctl resumed>) = 0 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] setpgid(0, 0 [pid 5761] close(17 [pid 5759] close(16 [pid 5773] <... setpgid resumed>) = 0 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] close(18 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(17 [pid 5761] close(19) = -1 EBADF (Bad file descriptor) [pid 5761] close(20) = -1 EBADF (Bad file descriptor) [pid 5761] close(21 [pid 5773] <... symlink resumed>) = 0 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5761] close(22 [pid 5759] close(18 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... symlink resumed>) = 0 [pid 5761] close(23 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(19 [pid 5761] close(24) = -1 EBADF (Bad file descriptor) [pid 5773] <... symlink resumed>) = 0 [pid 5761] close(25 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(20 [pid 5761] close(26) = -1 EBADF (Bad file descriptor) [pid 5761] close(27 [pid 5773] <... openat resumed>) = 3 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] write(3, "1000", 4 [pid 5761] close(28 [pid 5759] close(21 [pid 5773] <... write resumed>) = 4 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] close(3 [pid 5761] close(29 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = 0 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(22 [pid 5773] symlink("/dev/binderfs", "./binderfs" [pid 5761] exit_group(0 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... futex resumed>) = ? [pid 5761] <... exit_group resumed>) = ? [pid 5773] <... symlink resumed>) = 0 [pid 5766] <... futex resumed>) = ? [pid 5764] +++ exited with 0 +++ [pid 5759] close(23 [pid 5773] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] +++ exited with 0 +++ [pid 5773] <... futex resumed>) = 0 [pid 5761] +++ exited with 0 +++ [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5759] close(24 [pid 5773] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5759] close(25 [pid 5773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5759] close(26 [pid 5773] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... mprotect resumed>) = 0 [pid 5759] close(27 [pid 5773] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] <... restart_syscall resumed>) = 0 [pid 5773] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5759] close(28./strace-static-x86_64: Process 5774 attached ) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4768", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5774] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5773] <... clone3 resumed> => {parent_tid=[14245]}, 88) = 14245 [pid 5759] close(29 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5774] <... set_robust_list resumed>) = 0 [pid 5773] rt_sigprocmask(SIG_SETMASK, [], [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] openat(AT_FDCWD, "./4768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5774] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5759] exit_group(0 [pid 5774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = ? [pid 5762] <... futex resumed>) = ? [pid 5759] <... exit_group resumed>) = ? [pid 295] <... openat resumed>) = 3 [pid 5774] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5773] <... futex resumed>) = 0 [pid 5765] +++ exited with 0 +++ [pid 5762] +++ exited with 0 +++ [pid 5774] <... bpf resumed>) = 3 [pid 5774] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5759] +++ exited with 0 +++ [pid 295] newfstatat(3, "", [pid 5774] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5773] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] getdents64(3, [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5773] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] <... futex resumed>) = 0 [pid 5773] <... futex resumed>) = 1 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5774] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5773] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./4768/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5774] <... bpf resumed>) = 0 [pid 5773] <... futex resumed>) = 0 [pid 5774] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... restart_syscall resumed>) = 0 [pid 5774] <... futex resumed>) = 0 [pid 5773] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] newfstatat(AT_FDCWD, "./4768/cgroup.cpu", [pid 5774] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5773] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5773] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] unlink("./4768/cgroup.cpu" [pid 5773] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] umount2("./4655", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] umount2("./4768/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] openat(AT_FDCWD, "./4655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5775 attached [pid 5775] set_robust_list(0x7fd4ce11a9a0, 24 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5773] <... clone3 resumed> => {parent_tid=[14246]}, 88) = 14246 [pid 293] <... openat resumed>) = 3 [pid 5775] <... set_robust_list resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4768/binderfs", [pid 293] newfstatat(3, "", [pid 5775] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] unlink("./4768/binderfs" [pid 5773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5775] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5773] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... unlink resumed>) = 0 [pid 293] getdents64(3, [pid 295] umount2("./4768/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5773] <... futex resumed>) = 1 [pid 5775] <... futex resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5773] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5775] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4655/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5775] <... bpf resumed>) = 4 [pid 295] newfstatat(AT_FDCWD, "./4768/cgroup", [pid 5775] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5775] <... futex resumed>) = 1 [pid 5773] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4655/cgroup.cpu", [pid 5775] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5773] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4768/cgroup" [pid 5774] <... futex resumed>) = 0 [pid 5773] <... futex resumed>) = 1 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5774] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 295] <... unlink resumed>) = 0 [pid 293] unlink("./4655/cgroup.cpu" [pid 5773] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] umount2("./4768/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4768/cgroup.net", [pid 293] umount2("./4655/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4768/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4655/binderfs", [pid 295] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] unlink("./4655/binderfs" [pid 295] close(3 [pid 293] <... unlink resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./4768" [pid 293] umount2("./4655/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./4769", 0777 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... mkdir resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4655/cgroup", [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5776 attached [pid 293] unlink("./4655/cgroup" [pid 5776] set_robust_list(0x5555568776a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14067 [pid 5776] <... set_robust_list resumed>) = 0 [pid 5776] chdir("./4769" [pid 293] <... unlink resumed>) = 0 [pid 5776] <... chdir resumed>) = 0 [pid 293] umount2("./4655/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5776] setpgid(0, 0 [pid 293] newfstatat(AT_FDCWD, "./4655/cgroup.net", [pid 5776] <... setpgid resumed>) = 0 [pid 5769] <... bpf resumed>) = 5 [pid 5776] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5774] <... bpf resumed>) = 5 [pid 5770] <... bpf resumed>) = 5 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5776] <... symlink resumed>) = 0 [pid 5774] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] unlink("./4655/cgroup.net" [pid 5776] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5774] <... futex resumed>) = 1 [pid 5773] <... futex resumed>) = 0 [pid 5770] <... futex resumed>) = 1 [pid 5769] <... futex resumed>) = 1 [pid 5768] <... futex resumed>) = 0 [pid 5767] <... futex resumed>) = 0 [pid 5776] <... symlink resumed>) = 0 [pid 5774] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5773] close(3 [pid 5770] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] close(3 [pid 5767] close(3 [pid 293] <... unlink resumed>) = 0 [pid 5776] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5773] <... close resumed>) = 0 [pid 5768] <... close resumed>) = 0 [pid 5767] <... close resumed>) = 0 [pid 293] getdents64(3, [pid 5776] <... symlink resumed>) = 0 [pid 5773] close(4 [pid 5768] close(4 [pid 5767] close(4 [pid 5776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5773] <... close resumed>) = 0 [pid 5768] <... close resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5767] <... close resumed>) = 0 [pid 5776] <... openat resumed>) = 3 [pid 5773] close(5 [pid 5768] close(5 [pid 5767] close(5 [pid 293] close(3 [pid 5776] write(3, "1000", 4 [pid 5773] <... close resumed>) = 0 [pid 5776] <... write resumed>) = 4 [pid 5773] close(6 [pid 293] <... close resumed>) = 0 [pid 5776] close(3) = 0 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] rmdir("./4655" [pid 5776] symlink("/dev/binderfs", "./binderfs" [pid 5773] close(7 [pid 5776] <... symlink resumed>) = 0 [pid 5776] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... rmdir resumed>) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5773] close(8 [pid 293] mkdir("./4656", 0777 [pid 5776] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5776] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5773] close(9 [pid 293] <... mkdir resumed>) = 0 [pid 5776] <... mprotect resumed>) = 0 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5773] close(10 [pid 5776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5777 attached ./strace-static-x86_64: Process 5778 attached [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] set_robust_list(0x5555568776a0, 24 [pid 5777] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5776] <... clone3 resumed> => {parent_tid=[14068]}, 88) = 14068 [pid 5773] close(11 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13732 [pid 5778] <... set_robust_list resumed>) = 0 [pid 5777] <... set_robust_list resumed>) = 0 [pid 5776] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] chdir("./4656" [pid 5777] rt_sigprocmask(SIG_SETMASK, [], [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] close(12 [pid 5778] <... chdir resumed>) = 0 [pid 5777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5776] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5777] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5776] <... futex resumed>) = 0 [pid 5773] close(13 [pid 5778] <... prctl resumed>) = 0 [pid 5777] <... bpf resumed>) = 3 [pid 5776] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] setpgid(0, 0 [pid 5777] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5773] close(14 [pid 5778] <... setpgid resumed>) = 0 [pid 5777] <... futex resumed>) = 0 [pid 5776] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5777] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5776] <... futex resumed>) = 0 [pid 5773] close(15 [pid 5778] <... symlink resumed>) = 0 [pid 5777] <... bpf resumed>) = 0 [pid 5776] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5777] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... futex resumed>) = 0 [pid 5773] close(16 [pid 5777] <... futex resumed>) = 0 [pid 5776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5778] <... symlink resumed>) = 0 [pid 5777] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5776] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5776] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5773] close(17 [pid 5776] <... mprotect resumed>) = 0 [pid 5778] <... symlink resumed>) = 0 [pid 5776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5773] close(18 [pid 5776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5779 attached [pid 5778] <... openat resumed>) = 3 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5778] write(3, "1000", 4 [pid 5776] <... clone3 resumed> => {parent_tid=[14069]}, 88) = 14069 [pid 5773] close(19 [pid 5779] <... set_robust_list resumed>) = 0 [pid 5778] <... write resumed>) = 4 [pid 5776] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] rt_sigprocmask(SIG_SETMASK, [], [pid 5778] close(3 [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] close(20 [pid 5779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5778] <... close resumed>) = 0 [pid 5776] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5778] symlink("/dev/binderfs", "./binderfs" [pid 5776] <... futex resumed>) = 0 [pid 5773] close(21 [pid 5776] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5779] <... bpf resumed>) = 4 [pid 5778] <... symlink resumed>) = 0 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] close(22 [pid 5779] <... futex resumed>) = 1 [pid 5776] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5776] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5777] <... futex resumed>) = 0 [pid 5776] <... futex resumed>) = 1 [pid 5773] close(23 [pid 5778] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5777] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5776] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5773] close(24 [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5773] close(25 [pid 5778] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5773] close(26 [pid 5778] <... mprotect resumed>) = 0 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5773] close(27 [pid 5778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5773] close(28./strace-static-x86_64: Process 5780 attached ) = -1 EBADF (Bad file descriptor) [pid 5780] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5778] <... clone3 resumed> => {parent_tid=[13733]}, 88) = 13733 [pid 5773] close(29 [pid 5780] <... set_robust_list resumed>) = 0 [pid 5778] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] rt_sigprocmask(SIG_SETMASK, [], [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] exit_group(0 [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5778] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] <... futex resumed>) = ? [pid 5774] <... futex resumed>) = ? [pid 5773] <... exit_group resumed>) = ? [pid 5780] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5778] <... futex resumed>) = 0 [pid 5775] +++ exited with 0 +++ [pid 5774] +++ exited with 0 +++ [pid 5780] <... bpf resumed>) = 3 [pid 5780] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] +++ exited with 0 +++ [pid 5780] <... futex resumed>) = 0 [pid 5778] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5780] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5778] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = 1 [pid 5780] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 5778] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5780] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 297] <... restart_syscall resumed>) = 0 [pid 5778] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 297] umount2("./4830", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] openat(AT_FDCWD, "./4830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5781 attached ) = 3 [pid 5781] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5778] <... clone3 resumed> => {parent_tid=[13734]}, 88) = 13734 [pid 297] newfstatat(3, "", [pid 5781] <... set_robust_list resumed>) = 0 [pid 5778] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5781] rt_sigprocmask(SIG_SETMASK, [], [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] getdents64(3, [pid 5781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5778] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5781] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5778] <... futex resumed>) = 0 [pid 297] umount2("./4830/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5781] <... bpf resumed>) = 4 [pid 5778] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5781] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] newfstatat(AT_FDCWD, "./4830/cgroup.cpu", [pid 5781] <... futex resumed>) = 0 [pid 5778] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5781] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = 1 [pid 297] unlink("./4830/cgroup.cpu" [pid 5780] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5778] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5768] <... close resumed>) = 0 [pid 5767] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 5768] close(6 [pid 5767] close(6 [pid 297] umount2("./4830/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] close(7 [pid 5768] close(7 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4830/binderfs", [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(8 [pid 5768] close(8 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(9 [pid 297] unlink("./4830/binderfs" [pid 5768] close(9 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(10 [pid 297] <... unlink resumed>) = 0 [pid 5768] close(10 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4830/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(11 [pid 5768] close(11 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(12 [pid 297] newfstatat(AT_FDCWD, "./4830/cgroup", [pid 5768] close(12 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(13 [pid 297] unlink("./4830/cgroup" [pid 5768] close(13 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(14 [pid 5768] close(14 [pid 297] umount2("./4830/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(15 [pid 5767] close(15 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(16 [pid 5767] close(16 [pid 297] newfstatat(AT_FDCWD, "./4830/cgroup.net", [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(17 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5767] close(17 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4830/cgroup.net" [pid 5768] close(18 [pid 5767] close(18 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(19 [pid 5767] close(19 [pid 297] getdents64(3, [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(20 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(20 [pid 297] close(3 [pid 5768] close(21 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(21 [pid 5768] close(22 [pid 297] rmdir("./4830" [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(22 [pid 5768] close(23 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(23 [pid 297] mkdir("./4831", 0777 [pid 5768] close(24 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... mkdir resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(24 [pid 5768] close(25 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5782 attached [pid 5768] close(26 [pid 5767] close(25 [pid 5782] set_robust_list(0x5555568776a0, 24 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14247 [pid 5782] <... set_robust_list resumed>) = 0 [pid 5768] close(27 [pid 5767] close(26 [pid 5782] chdir("./4831" [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5782] <... chdir resumed>) = 0 [pid 5768] close(28 [pid 5767] close(27 [pid 5782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5782] <... prctl resumed>) = 0 [pid 5768] close(29 [pid 5767] close(28 [pid 5782] setpgid(0, 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5782] <... setpgid resumed>) = 0 [pid 5782] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5768] exit_group(0 [pid 5767] close(29 [pid 5782] <... symlink resumed>) = 0 [pid 5771] <... futex resumed>) = ? [pid 5769] <... futex resumed>) = ? [pid 5768] <... exit_group resumed>) = ? [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5782] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5771] +++ exited with 0 +++ [pid 5769] +++ exited with 0 +++ [pid 5782] <... symlink resumed>) = 0 [pid 5782] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5768] +++ exited with 0 +++ [pid 5767] exit_group(0 [pid 5782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5770] <... futex resumed>) = ? [pid 5767] <... exit_group resumed>) = ? [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5772] <... futex resumed>) = ? [pid 5782] <... openat resumed>) = 3 [pid 5770] +++ exited with 0 +++ [pid 5782] write(3, "1000", 4 [pid 5772] +++ exited with 0 +++ [pid 5782] <... write resumed>) = 4 [pid 5782] close(3) = 0 [pid 5782] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5782] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5782] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5767] +++ exited with 0 +++ [pid 5782] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 5782] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5782] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... restart_syscall resumed>) = 0 [pid 5782] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5783 attached [pid 294] umount2("./4719", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5783] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5782] <... clone3 resumed> => {parent_tid=[14248]}, 88) = 14248 [pid 296] umount2("./4798", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5782] rt_sigprocmask(SIG_SETMASK, [], [pid 294] openat(AT_FDCWD, "./4719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5783] <... set_robust_list resumed>) = 0 [pid 5782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... openat resumed>) = 3 [pid 5783] rt_sigprocmask(SIG_SETMASK, [], [pid 5782] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] openat(AT_FDCWD, "./4798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] newfstatat(3, "", [pid 5783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5782] <... futex resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5783] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5782] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... openat resumed>) = 3 [pid 294] getdents64(3, [pid 296] newfstatat(3, "", [pid 5783] <... bpf resumed>) = 3 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5783] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] umount2("./4719/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5783] <... futex resumed>) = 1 [pid 5782] <... futex resumed>) = 0 [pid 296] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5783] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5782] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] newfstatat(AT_FDCWD, "./4719/cgroup.cpu", [pid 5782] <... futex resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5783] <... bpf resumed>) = 0 [pid 5782] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4798/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4719/cgroup.cpu" [pid 5783] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 5783] <... futex resumed>) = 0 [pid 5782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] newfstatat(AT_FDCWD, "./4798/cgroup.cpu", [pid 294] umount2("./4719/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5783] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5782] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] unlink("./4798/cgroup.cpu" [pid 294] newfstatat(AT_FDCWD, "./4719/binderfs", [pid 5782] <... mprotect resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5782] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] umount2("./4798/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4719/binderfs" [pid 5782] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 5782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] newfstatat(AT_FDCWD, "./4798/binderfs", [pid 294] umount2("./4719/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5784 attached [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5784] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5782] <... clone3 resumed> => {parent_tid=[14249]}, 88) = 14249 [pid 296] unlink("./4798/binderfs" [pid 294] newfstatat(AT_FDCWD, "./4719/cgroup", [pid 5784] <... set_robust_list resumed>) = 0 [pid 5782] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5784] rt_sigprocmask(SIG_SETMASK, [], [pid 5782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4719/cgroup" [pid 5784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5782] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4798/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 5784] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5782] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4719/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5782] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4719/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5784] <... bpf resumed>) = 4 [pid 296] newfstatat(AT_FDCWD, "./4798/cgroup", [pid 294] unlink("./4719/cgroup.net" [pid 5784] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... unlink resumed>) = 0 [pid 5784] <... futex resumed>) = 1 [pid 5782] <... futex resumed>) = 0 [pid 294] getdents64(3, [pid 5784] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] unlink("./4798/cgroup" [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5783] <... futex resumed>) = 0 [pid 5782] <... futex resumed>) = 1 [pid 294] close(3 [pid 5783] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5782] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] <... unlink resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 296] umount2("./4798/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] rmdir("./4719" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... rmdir resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4798/cgroup.net", [pid 294] mkdir("./4720", 0777 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 296] unlink("./4798/cgroup.net" [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... unlink resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13898 ./strace-static-x86_64: Process 5785 attached [pid 296] getdents64(3, [pid 5785] set_robust_list(0x5555568776a0, 24) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5785] chdir("./4720" [pid 296] close(3 [pid 5785] <... chdir resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 5785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5783] <... bpf resumed>) = 5 [pid 5780] <... bpf resumed>) = 5 [pid 5777] <... bpf resumed>) = 5 [pid 296] rmdir("./4798" [pid 5785] <... prctl resumed>) = 0 [pid 5783] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 1 [pid 5782] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5785] setpgid(0, 0 [pid 5783] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] close(3 [pid 5780] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] close(3 [pid 5777] <... futex resumed>) = 1 [pid 5776] <... futex resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 5785] <... setpgid resumed>) = 0 [pid 5782] <... close resumed>) = 0 [pid 5778] <... close resumed>) = 0 [pid 5777] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5776] close(3 [pid 296] mkdir("./4799", 0777 [pid 5782] close(4 [pid 5778] close(4 [pid 5785] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5782] <... close resumed>) = 0 [pid 5778] <... close resumed>) = 0 [pid 5776] <... close resumed>) = 0 [pid 5782] close(5 [pid 5778] close(5 [pid 5782] <... close resumed>) = 0 [pid 5778] <... close resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 5785] <... symlink resumed>) = 0 [pid 5782] close(6 [pid 5778] close(6 [pid 5776] close(4 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5785] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = 0 [pid 5782] close(7 [pid 5778] close(7 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5782] close(8 [pid 5778] close(8 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5786 attached [pid 5782] close(9 [pid 5778] close(9 [pid 5776] close(5 [pid 5786] set_robust_list(0x5555568776a0, 24 [pid 5785] <... symlink resumed>) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... set_robust_list resumed>) = 0 [pid 5785] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5782] close(10 [pid 5778] close(10 [pid 5776] <... close resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14174 [pid 5786] chdir("./4799" [pid 5785] <... symlink resumed>) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] close(6 [pid 5786] <... chdir resumed>) = 0 [pid 5785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5782] close(11 [pid 5778] close(11 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... prctl resumed>) = 0 [pid 5785] <... openat resumed>) = 3 [pid 5782] close(12 [pid 5778] close(12 [pid 5776] close(7 [pid 5786] setpgid(0, 0 [pid 5785] write(3, "1000", 4 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... setpgid resumed>) = 0 [pid 5782] close(13 [pid 5778] close(13 [pid 5786] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5785] <... write resumed>) = 4 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] close(8 [pid 5786] <... symlink resumed>) = 0 [pid 5785] close(3 [pid 5782] close(14 [pid 5778] close(14 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5785] <... close resumed>) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] close(9 [pid 5786] <... symlink resumed>) = 0 [pid 5785] symlink("/dev/binderfs", "./binderfs" [pid 5782] close(15 [pid 5778] close(15 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... symlink resumed>) = 0 [pid 5785] <... symlink resumed>) = 0 [pid 5782] close(16 [pid 5778] close(16 [pid 5776] close(10 [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... openat resumed>) = 3 [pid 5785] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] close(17 [pid 5778] close(17 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] write(3, "1000", 4 [pid 5785] <... futex resumed>) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... write resumed>) = 4 [pid 5785] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5782] close(18 [pid 5778] close(18 [pid 5776] close(11 [pid 5786] close(3 [pid 5785] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... close resumed>) = 0 [pid 5785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5782] close(19 [pid 5778] close(19 [pid 5776] close(12 [pid 5786] symlink("/dev/binderfs", "./binderfs" [pid 5785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... symlink resumed>) = 0 [pid 5785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5782] close(20 [pid 5778] close(20 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] close(13 [pid 5786] <... futex resumed>) = 0 [pid 5785] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5782] close(21 [pid 5778] close(21 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5785] <... mprotect resumed>) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5782] close(22 [pid 5778] close(22 [pid 5776] close(14 [pid 5786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5785] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5782] close(23 [pid 5778] close(23 [pid 5776] close(15 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5787 attached [pid 5786] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5782] close(24 [pid 5778] close(24 [pid 5776] close(16 [pid 5787] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5786] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5785] <... clone3 resumed> => {parent_tid=[13899]}, 88) = 13899 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... set_robust_list resumed>) = 0 [pid 5786] <... mprotect resumed>) = 0 [pid 5785] rt_sigprocmask(SIG_SETMASK, [], [pid 5782] close(25 [pid 5778] close(25 [pid 5776] close(17 [pid 5787] rt_sigprocmask(SIG_SETMASK, [], [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5785] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] close(26 [pid 5778] close(26 [pid 5776] close(18 [pid 5787] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5785] <... futex resumed>) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5788 attached [pid 5787] <... bpf resumed>) = 3 [pid 5785] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5782] close(27 [pid 5778] close(27 [pid 5776] close(19 [pid 5788] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5787] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... clone3 resumed> => {parent_tid=[14175]}, 88) = 14175 [pid 5785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... set_robust_list resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5785] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] close(28 [pid 5778] close(28 [pid 5776] close(20 [pid 5788] rt_sigprocmask(SIG_SETMASK, [], [pid 5787] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] <... futex resumed>) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] <... bpf resumed>) = 0 [pid 5786] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] close(29 [pid 5778] close(29 [pid 5776] close(21 [pid 5788] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5787] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = 0 [pid 5785] <... futex resumed>) = 0 [pid 5782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... bpf resumed>) = 3 [pid 5787] <... futex resumed>) = 0 [pid 5786] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5782] exit_group(0 [pid 5778] exit_group(0 [pid 5776] close(22 [pid 5788] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5784] <... futex resumed>) = ? [pid 5783] <... futex resumed>) = ? [pid 5782] <... exit_group resumed>) = ? [pid 5781] <... futex resumed>) = ? [pid 5780] <... futex resumed>) = ? [pid 5778] <... exit_group resumed>) = ? [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... futex resumed>) = 0 [pid 5786] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5784] +++ exited with 0 +++ [pid 5783] +++ exited with 0 +++ [pid 5782] +++ exited with 0 +++ [pid 5781] +++ exited with 0 +++ [pid 5780] +++ exited with 0 +++ [pid 5778] +++ exited with 0 +++ [pid 5776] close(23 [pid 5788] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5786] <... futex resumed>) = 0 [pid 5785] <... mprotect resumed>) = 0 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5788] <... bpf resumed>) = 0 [pid 5786] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] close(24 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5788] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = 0 [pid 5785] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 293] umount2("./4656", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5788] <... futex resumed>) = 0 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5785] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5776] close(25 [pid 297] <... restart_syscall resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5788] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] openat(AT_FDCWD, "./4656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5786] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5776] close(26 [pid 293] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5789 attached [pid 5786] <... mprotect resumed>) = 0 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(3, "", [pid 5789] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5785] <... clone3 resumed> => {parent_tid=[13900]}, 88) = 13900 [pid 5776] close(27 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5789] <... set_robust_list resumed>) = 0 [pid 5786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5785] rt_sigprocmask(SIG_SETMASK, [], [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4831", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 5789] rt_sigprocmask(SIG_SETMASK, [], [pid 5786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5776] close(28 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5790 attached [pid 5789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] openat(AT_FDCWD, "./4831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] umount2("./4656/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5790] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5789] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5786] <... clone3 resumed> => {parent_tid=[14176]}, 88) = 14176 [pid 5785] <... futex resumed>) = 0 [pid 5776] close(29 [pid 297] <... openat resumed>) = 3 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5790] <... set_robust_list resumed>) = 0 [pid 5789] <... bpf resumed>) = 4 [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5785] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(3, "", [pid 293] newfstatat(AT_FDCWD, "./4656/cgroup.cpu", [pid 5790] rt_sigprocmask(SIG_SETMASK, [], [pid 5789] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5776] exit_group(0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5789] <... futex resumed>) = 0 [pid 5786] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... futex resumed>) = ? [pid 5777] <... futex resumed>) = ? [pid 5776] <... exit_group resumed>) = ? [pid 297] getdents64(3, [pid 293] unlink("./4656/cgroup.cpu" [pid 5790] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5789] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] <... futex resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5785] <... futex resumed>) = 1 [pid 5779] +++ exited with 0 +++ [pid 5777] +++ exited with 0 +++ [pid 5776] +++ exited with 0 +++ [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... unlink resumed>) = 0 [pid 5786] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] umount2("./4656/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5790] <... bpf resumed>) = 4 [pid 5787] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5785] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] umount2("./4831/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5790] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... bpf resumed>) = 5 [pid 295] umount2("./4769", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4656/binderfs", [pid 5790] <... futex resumed>) = 1 [pid 5787] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5790] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] <... futex resumed>) = 1 [pid 5786] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... futex resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4831/cgroup.cpu", [pid 295] openat(AT_FDCWD, "./4769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] unlink("./4656/binderfs" [pid 5788] <... futex resumed>) = 0 [pid 5787] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] <... futex resumed>) = 1 [pid 5785] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... openat resumed>) = 3 [pid 293] <... unlink resumed>) = 0 [pid 5788] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5786] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5785] <... close resumed>) = 0 [pid 297] unlink("./4831/cgroup.cpu" [pid 295] newfstatat(3, "", [pid 293] umount2("./4656/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5788] <... bpf resumed>) = 5 [pid 5785] close(4 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5788] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 293] newfstatat(AT_FDCWD, "./4656/cgroup", [pid 5788] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5785] close(5 [pid 297] umount2("./4831/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5788] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] close(3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4769/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4656/cgroup" [pid 5786] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4831/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 5786] close(4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4769/cgroup.cpu", [pid 293] umount2("./4656/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5786] <... close resumed>) = 0 [pid 297] unlink("./4831/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5786] close(5 [pid 295] unlink("./4769/cgroup.cpu" [pid 293] newfstatat(AT_FDCWD, "./4656/cgroup.net", [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] umount2("./4831/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4769/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4656/cgroup.net" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4769/binderfs", [pid 293] getdents64(3, [pid 297] newfstatat(AT_FDCWD, "./4831/cgroup", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4769/binderfs" [pid 293] close(3 [pid 297] unlink("./4831/cgroup" [pid 295] <... unlink resumed>) = 0 [pid 293] <... close resumed>) = 0 [pid 295] umount2("./4769/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] rmdir("./4656" [pid 297] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... rmdir resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4769/cgroup", [pid 293] mkdir("./4657", 0777 [pid 297] umount2("./4831/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4769/cgroup" [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] newfstatat(AT_FDCWD, "./4831/cgroup.net", [pid 295] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5791 attached [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4769/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13735 [pid 5791] set_robust_list(0x5555568776a0, 24 [pid 297] unlink("./4831/cgroup.net" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5791] <... set_robust_list resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4769/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] unlink("./4769/cgroup.net" [pid 5791] chdir("./4657" [pid 297] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 5791] <... chdir resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] getdents64(3, [pid 5791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] close(3 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5791] <... prctl resumed>) = 0 [pid 295] close(3 [pid 5791] setpgid(0, 0 [pid 297] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 5791] <... setpgid resumed>) = 0 [pid 297] rmdir("./4831" [pid 295] rmdir("./4769" [pid 5791] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 295] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 295] mkdir("./4770", 0777 [pid 5791] <... symlink resumed>) = 0 [pid 297] mkdir("./4832", 0777 [pid 295] <... mkdir resumed>) = 0 [pid 5791] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5792 attached [pid 5791] <... symlink resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 5792] set_robust_list(0x5555568776a0, 24 [pid 5791] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14070 [pid 5792] <... set_robust_list resumed>) = 0 [pid 5792] chdir("./4770" [pid 5791] <... symlink resumed>) = 0 [pid 5792] <... chdir resumed>) = 0 [pid 5792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5792] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5793 attached [pid 5792] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5793] set_robust_list(0x5555568776a0, 24 [pid 5792] <... symlink resumed>) = 0 [pid 5792] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5791] <... openat resumed>) = 3 [pid 5793] <... set_robust_list resumed>) = 0 [pid 5792] <... symlink resumed>) = 0 [pid 5791] write(3, "1000", 4 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14250 [pid 5793] chdir("./4832" [pid 5792] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5791] <... write resumed>) = 4 [pid 5793] <... chdir resumed>) = 0 [pid 5792] <... symlink resumed>) = 0 [pid 5791] close(3 [pid 5793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5793] <... prctl resumed>) = 0 [pid 5792] <... openat resumed>) = 3 [pid 5791] <... close resumed>) = 0 [pid 5793] setpgid(0, 0 [pid 5792] write(3, "1000", 4 [pid 5791] symlink("/dev/binderfs", "./binderfs" [pid 5793] <... setpgid resumed>) = 0 [pid 5792] <... write resumed>) = 4 [pid 5792] close(3) = 0 [pid 5792] symlink("/dev/binderfs", "./binderfs" [pid 5793] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5792] <... symlink resumed>) = 0 [pid 5791] <... symlink resumed>) = 0 [pid 5792] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5793] <... symlink resumed>) = 0 [pid 5792] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5791] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5792] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5793] <... symlink resumed>) = 0 [pid 5792] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5791] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5793] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5792] <... mprotect resumed>) = 0 [pid 5791] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5793] <... symlink resumed>) = 0 [pid 5792] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5792] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5794 attached [pid 5793] <... openat resumed>) = 3 [pid 5791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5794] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5793] write(3, "1000", 4 [pid 5792] <... clone3 resumed> => {parent_tid=[14071]}, 88) = 14071 [pid 5791] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5794] <... set_robust_list resumed>) = 0 [pid 5792] rt_sigprocmask(SIG_SETMASK, [], [pid 5794] rt_sigprocmask(SIG_SETMASK, [], [pid 5793] <... write resumed>) = 4 [pid 5792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5791] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5793] close(3 [pid 5792] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... mprotect resumed>) = 0 [pid 5794] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5792] <... futex resumed>) = 0 [pid 5794] <... bpf resumed>) = 3 [pid 5793] <... close resumed>) = 0 [pid 5792] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5794] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] symlink("/dev/binderfs", "./binderfs" [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5794] <... futex resumed>) = 0 [pid 5792] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5792] <... futex resumed>) = 0 [pid 5794] <... bpf resumed>) = 0 [pid 5793] <... symlink resumed>) = 0 [pid 5792] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5794] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... futex resumed>) = 0 [pid 5794] <... futex resumed>) = 0 [pid 5792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5793] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] <... mmap resumed>) = 0x7fd4ce0fa000 ./strace-static-x86_64: Process 5795 attached [pid 5793] <... futex resumed>) = 0 [pid 5792] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5795] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5793] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5792] <... mprotect resumed>) = 0 [pid 5791] <... clone3 resumed> => {parent_tid=[13736]}, 88) = 13736 [pid 5795] <... set_robust_list resumed>) = 0 [pid 5793] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5792] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5795] rt_sigprocmask(SIG_SETMASK, [], [pid 5793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5792] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5791] rt_sigprocmask(SIG_SETMASK, [], [pid 5795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5791] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5796 attached [pid 5795] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5791] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5793] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5792] <... clone3 resumed> => {parent_tid=[14072]}, 88) = 14072 [pid 5791] <... futex resumed>) = 0 [pid 5796] <... set_robust_list resumed>) = 0 [pid 5795] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5793] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5792] rt_sigprocmask(SIG_SETMASK, [], [pid 5791] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... close resumed>) = 0 [pid 5785] <... close resumed>) = 0 [pid 5796] rt_sigprocmask(SIG_SETMASK, [], [pid 5795] <... bpf resumed>) = 3 [pid 5793] <... mprotect resumed>) = 0 [pid 5792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] close(6 [pid 5785] close(6 [pid 5796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5795] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5792] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5796] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5795] <... futex resumed>) = 1 [pid 5793] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5792] <... futex resumed>) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5786] close(7 [pid 5785] close(7 [pid 5795] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5796] <... bpf resumed>) = 4 [pid 5795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5791] <... futex resumed>) = 0 [pid 5786] close(8 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5796] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5791] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5797 attached [pid 5795] <... bpf resumed>) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5786] close(9 [pid 5785] close(8 [pid 5797] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5796] <... futex resumed>) = 1 [pid 5795] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... clone3 resumed> => {parent_tid=[14251]}, 88) = 14251 [pid 5792] <... futex resumed>) = 0 [pid 5791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... set_robust_list resumed>) = 0 [pid 5796] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] <... futex resumed>) = 0 [pid 5793] rt_sigprocmask(SIG_SETMASK, [], [pid 5792] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5786] close(10 [pid 5785] close(9 [pid 5797] rt_sigprocmask(SIG_SETMASK, [], [pid 5795] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] <... futex resumed>) = 0 [pid 5793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] <... futex resumed>) = 1 [pid 5791] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5794] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5793] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5791] <... mprotect resumed>) = 0 [pid 5786] close(11 [pid 5797] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5793] <... futex resumed>) = 0 [pid 5791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] close(10 [pid 5797] <... bpf resumed>) = 3 [pid 5793] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5786] close(12 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] close(11./strace-static-x86_64: Process 5798 attached [pid 5797] <... futex resumed>) = 0 [pid 5793] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] close(13 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5797] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5793] <... futex resumed>) = 0 [pid 5791] <... clone3 resumed> => {parent_tid=[13737]}, 88) = 13737 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] close(12 [pid 5798] <... set_robust_list resumed>) = 0 [pid 5797] <... bpf resumed>) = 0 [pid 5793] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] rt_sigprocmask(SIG_SETMASK, [], [pid 5786] close(14 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] rt_sigprocmask(SIG_SETMASK, [], [pid 5797] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] <... futex resumed>) = 0 [pid 5798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5797] <... futex resumed>) = 0 [pid 5793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5791] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] close(15 [pid 5785] close(13 [pid 5798] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5797] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5793] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5791] <... futex resumed>) = 0 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] close(16 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(17 [pid 5798] <... bpf resumed>) = 4 [pid 5793] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] close(14 [pid 5798] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... mprotect resumed>) = 0 [pid 5786] close(18 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5786] close(19 [pid 5785] close(15 [pid 5798] <... futex resumed>) = 1 [pid 5793] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5791] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] close(20 [pid 5785] close(16./strace-static-x86_64: Process 5799 attached [pid 5795] <... futex resumed>) = 0 [pid 5791] <... futex resumed>) = 1 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5795] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5793] <... clone3 resumed> => {parent_tid=[14252]}, 88) = 14252 [pid 5791] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5786] close(21 [pid 5785] close(17 [pid 5799] <... set_robust_list resumed>) = 0 [pid 5793] rt_sigprocmask(SIG_SETMASK, [], [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] rt_sigprocmask(SIG_SETMASK, [], [pid 5793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] close(22 [pid 5785] close(18 [pid 5799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5793] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5793] <... futex resumed>) = 0 [pid 5786] close(23 [pid 5785] close(19 [pid 5799] <... bpf resumed>) = 4 [pid 5793] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] close(24 [pid 5785] close(20 [pid 5799] <... futex resumed>) = 0 [pid 5793] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] close(25 [pid 5797] <... futex resumed>) = 0 [pid 5793] <... futex resumed>) = 1 [pid 5785] close(21 [pid 5797] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5793] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(26 [pid 5785] close(22 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(27 [pid 5785] close(23 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(28 [pid 5785] close(24 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(29) = -1 EBADF (Bad file descriptor) [pid 5785] close(25 [pid 5786] exit_group(0 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5790] <... futex resumed>) = ? [pid 5788] <... futex resumed>) = ? [pid 5786] <... exit_group resumed>) = ? [pid 5785] close(26 [pid 5790] +++ exited with 0 +++ [pid 5788] +++ exited with 0 +++ [pid 5786] +++ exited with 0 +++ [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] close(27) = -1 EBADF (Bad file descriptor) [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5785] close(28 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] close(29 [pid 296] <... restart_syscall resumed>) = 0 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] exit_group(0 [pid 5789] <... futex resumed>) = ? [pid 5785] <... exit_group resumed>) = ? [pid 296] umount2("./4799", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5789] +++ exited with 0 +++ [pid 5787] <... futex resumed>) = ? [pid 5787] +++ exited with 0 +++ [pid 5785] +++ exited with 0 +++ [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] newfstatat(3, "", [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 296] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4799/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4720", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4799/cgroup.cpu", [pid 294] openat(AT_FDCWD, "./4720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... openat resumed>) = 3 [pid 296] unlink("./4799/cgroup.cpu" [pid 294] newfstatat(3, "", [pid 296] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] umount2("./4799/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./4799/binderfs", [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4720/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4799/binderfs" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4720/cgroup.cpu", [pid 296] umount2("./4799/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4720/cgroup.cpu" [pid 296] newfstatat(AT_FDCWD, "./4799/cgroup", [pid 294] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4720/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4799/cgroup" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4720/binderfs", [pid 296] umount2("./4799/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4720/binderfs" [pid 296] newfstatat(AT_FDCWD, "./4799/cgroup.net", [pid 294] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4720/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4799/cgroup.net" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4720/cgroup", [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] close(3 [pid 294] unlink("./4720/cgroup" [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./4799" [pid 294] <... unlink resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 294] umount2("./4720/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] mkdir("./4800", 0777 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... mkdir resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4720/cgroup.net", [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5800 attached [pid 294] unlink("./4720/cgroup.net" [pid 5800] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14177 [pid 5800] <... set_robust_list resumed>) = 0 [pid 5800] chdir("./4800" [pid 294] <... unlink resumed>) = 0 [pid 5800] <... chdir resumed>) = 0 [pid 294] getdents64(3, [pid 5800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5800] setpgid(0, 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5800] <... setpgid resumed>) = 0 [pid 5800] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5797] <... bpf resumed>) = 5 [pid 5795] <... bpf resumed>) = 5 [pid 5794] <... bpf resumed>) = 5 [pid 294] close(3 [pid 5800] <... symlink resumed>) = 0 [pid 5797] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5797] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 1 [pid 5794] <... futex resumed>) = 1 [pid 5793] <... futex resumed>) = 0 [pid 5792] <... futex resumed>) = 0 [pid 5791] <... futex resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 5800] <... symlink resumed>) = 0 [pid 5797] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5793] close(3 [pid 5792] close(3 [pid 5791] close(3 [pid 294] rmdir("./4720" [pid 5800] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5793] <... close resumed>) = 0 [pid 5792] <... close resumed>) = 0 [pid 5791] <... close resumed>) = 0 [pid 5800] <... symlink resumed>) = 0 [pid 5792] close(4 [pid 5791] close(4 [pid 5793] close(4 [pid 294] <... rmdir resumed>) = 0 [pid 5800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5793] <... close resumed>) = 0 [pid 5792] <... close resumed>) = 0 [pid 5791] <... close resumed>) = 0 [pid 294] mkdir("./4721", 0777 [pid 5800] <... openat resumed>) = 3 [pid 5793] close(5 [pid 5792] close(5 [pid 5791] close(5 [pid 5800] write(3, "1000", 4 [pid 5792] <... close resumed>) = 0 [pid 5800] <... write resumed>) = 4 [pid 5792] close(6 [pid 294] <... mkdir resumed>) = 0 [pid 5800] close(3 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = 0 [pid 5792] close(7 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5800] symlink("/dev/binderfs", "./binderfs" [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... symlink resumed>) = 0 [pid 5792] close(8./strace-static-x86_64: Process 5801 attached [pid 5800] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] set_robust_list(0x5555568776a0, 24 [pid 5800] <... futex resumed>) = 0 [pid 5792] close(9 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13901 [pid 5801] <... set_robust_list resumed>) = 0 [pid 5800] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] chdir("./4721" [pid 5800] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5792] close(10 [pid 5801] <... chdir resumed>) = 0 [pid 5800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] close(11 [pid 5801] <... prctl resumed>) = 0 [pid 5800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] setpgid(0, 0 [pid 5800] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5792] close(12 [pid 5801] <... setpgid resumed>) = 0 [pid 5800] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5800] <... mprotect resumed>) = 0 [pid 5792] close(13 [pid 5801] <... symlink resumed>) = 0 [pid 5800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5792] close(14 [pid 5801] <... symlink resumed>) = 0 [pid 5800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5802 attached [pid 5801] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5792] close(15 [pid 5802] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5801] <... symlink resumed>) = 0 [pid 5800] <... clone3 resumed> => {parent_tid=[14178]}, 88) = 14178 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5802] <... set_robust_list resumed>) = 0 [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5800] rt_sigprocmask(SIG_SETMASK, [], [pid 5792] close(16 [pid 5802] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] <... openat resumed>) = 3 [pid 5800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] write(3, "1000", 4 [pid 5800] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] close(17 [pid 5802] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5801] <... write resumed>) = 4 [pid 5800] <... futex resumed>) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] close(3 [pid 5792] close(18 [pid 5802] <... bpf resumed>) = 3 [pid 5801] <... close resumed>) = 0 [pid 5800] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5802] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] symlink("/dev/binderfs", "./binderfs" [pid 5800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] close(19 [pid 5802] <... futex resumed>) = 0 [pid 5801] <... symlink resumed>) = 0 [pid 5800] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5802] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5801] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... futex resumed>) = 0 [pid 5792] close(20 [pid 5801] <... futex resumed>) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5800] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] close(21 [pid 5801] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5802] <... bpf resumed>) = 0 [pid 5801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5800] <... futex resumed>) = 0 [pid 5792] close(22 [pid 5802] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5802] <... futex resumed>) = 0 [pid 5801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5792] close(23 [pid 5802] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5800] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5800] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5792] close(24 [pid 5801] <... mprotect resumed>) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5800] <... mprotect resumed>) = 0 [pid 5792] close(25 [pid 5801] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5792] close(26./strace-static-x86_64: Process 5803 attached [pid 5800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5801] <... clone3 resumed> => {parent_tid=[13902]}, 88) = 13902 [pid 5792] close(27./strace-static-x86_64: Process 5804 attached [pid 5803] <... set_robust_list resumed>) = 0 [pid 5801] rt_sigprocmask(SIG_SETMASK, [], [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5804] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5803] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5800] <... clone3 resumed> => {parent_tid=[14179]}, 88) = 14179 [pid 5792] close(28 [pid 5804] <... set_robust_list resumed>) = 0 [pid 5803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] rt_sigprocmask(SIG_SETMASK, [], [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5804] rt_sigprocmask(SIG_SETMASK, [], [pid 5803] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5801] <... futex resumed>) = 0 [pid 5800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] close(29 [pid 5804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5804] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] <... bpf resumed>) = 3 [pid 5800] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] exit_group(0 [pid 5804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... futex resumed>) = 0 [pid 5796] <... futex resumed>) = ? [pid 5794] <... futex resumed>) = ? [pid 5792] <... exit_group resumed>) = ? [pid 5804] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5803] <... futex resumed>) = 1 [pid 5801] <... futex resumed>) = 0 [pid 5800] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5796] +++ exited with 0 +++ [pid 5794] +++ exited with 0 +++ [pid 5792] +++ exited with 0 +++ [pid 5804] <... bpf resumed>) = 4 [pid 5803] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5804] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] <... futex resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5804] <... futex resumed>) = 1 [pid 5803] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5801] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... futex resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 5804] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] <... futex resumed>) = 0 [pid 5800] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... bpf resumed>) = 0 [pid 5802] <... futex resumed>) = 0 [pid 5801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5800] <... futex resumed>) = 1 [pid 5803] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5801] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5800] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] umount2("./4770", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5803] <... futex resumed>) = 0 [pid 5801] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5803] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] <... mprotect resumed>) = 0 [pid 295] openat(AT_FDCWD, "./4770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5801] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] <... openat resumed>) = 3 [pid 5801] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] newfstatat(3, "", [pid 5801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5805 attached [pid 295] getdents64(3, [pid 5805] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5801] <... clone3 resumed> => {parent_tid=[13903]}, 88) = 13903 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5805] <... set_robust_list resumed>) = 0 [pid 5801] rt_sigprocmask(SIG_SETMASK, [], [pid 295] umount2("./4770/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4770/cgroup.cpu", [pid 5805] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5801] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5801] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] unlink("./4770/cgroup.cpu") = 0 [pid 295] umount2("./4770/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] <... bpf resumed>) = 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5805] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4770/binderfs", [pid 5805] <... futex resumed>) = 1 [pid 5801] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5805] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4770/binderfs" [pid 5801] <... futex resumed>) = 1 [pid 295] <... unlink resumed>) = 0 [pid 5803] <... futex resumed>) = 0 [pid 5803] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5801] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] umount2("./4770/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4770/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4770/cgroup") = 0 [pid 295] umount2("./4770/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4770/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4770/cgroup.net") = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4770") = 0 [pid 295] mkdir("./4771", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5806 attached [pid 5791] <... close resumed>) = 0 [pid 5793] <... close resumed>) = 0 [pid 5806] set_robust_list(0x5555568776a0, 24 [pid 5793] close(6 [pid 5791] close(6 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14073 [pid 5806] <... set_robust_list resumed>) = 0 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(7) = -1 EBADF (Bad file descriptor) [pid 5806] chdir("./4771" [pid 5793] close(7 [pid 5791] close(8 [pid 5806] <... chdir resumed>) = 0 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5793] close(8 [pid 5791] close(9 [pid 5806] <... prctl resumed>) = 0 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(10 [pid 5806] setpgid(0, 0 [pid 5793] close(9 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] <... setpgid resumed>) = 0 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(11) = -1 EBADF (Bad file descriptor) [pid 5791] close(12 [pid 5806] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] close(10 [pid 5791] close(13) = -1 EBADF (Bad file descriptor) [pid 5791] close(14 [pid 5806] <... symlink resumed>) = 0 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5793] close(11 [pid 5791] close(15) = -1 EBADF (Bad file descriptor) [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(16 [pid 5806] <... symlink resumed>) = 0 [pid 5793] close(12 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(17) = -1 EBADF (Bad file descriptor) [pid 5791] close(18) = -1 EBADF (Bad file descriptor) [pid 5791] close(19 [pid 5806] <... symlink resumed>) = 0 [pid 5793] close(13 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(20) = -1 EBADF (Bad file descriptor) [pid 5791] close(21 [pid 5806] <... openat resumed>) = 3 [pid 5793] close(14 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] write(3, "1000", 4 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(22 [pid 5806] <... write resumed>) = 4 [pid 5793] close(15 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] close(3 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(23) = -1 EBADF (Bad file descriptor) [pid 5806] <... close resumed>) = 0 [pid 5793] close(16 [pid 5791] close(24 [pid 5806] symlink("/dev/binderfs", "./binderfs" [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(25) = -1 EBADF (Bad file descriptor) [pid 5791] close(26) = -1 EBADF (Bad file descriptor) [pid 5806] <... symlink resumed>) = 0 [pid 5793] close(17 [pid 5791] close(27) = -1 EBADF (Bad file descriptor) [pid 5806] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(28 [pid 5806] <... futex resumed>) = 0 [pid 5793] close(18 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(29 [pid 5806] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5793] close(19 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] exit_group(0 [pid 5806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5798] <... futex resumed>) = ? [pid 5795] <... futex resumed>) = ? [pid 5793] close(20 [pid 5791] <... exit_group resumed>) = ? [pid 5806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5798] +++ exited with 0 +++ [pid 5795] +++ exited with 0 +++ [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] +++ exited with 0 +++ [pid 5806] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5793] close(21 [pid 5806] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5806] <... mprotect resumed>) = 0 [pid 5793] close(22 [pid 5806] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5806] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5793] close(23 [pid 5806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5807 attached [pid 5793] close(24 [pid 5807] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5806] <... clone3 resumed> => {parent_tid=[14074]}, 88) = 14074 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5807] <... set_robust_list resumed>) = 0 [pid 5806] rt_sigprocmask(SIG_SETMASK, [], [pid 5793] close(25 [pid 5807] rt_sigprocmask(SIG_SETMASK, [], [pid 5806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5806] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] umount2("./4657", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5793] close(26 [pid 5807] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5806] <... futex resumed>) = 0 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5807] <... bpf resumed>) = 3 [pid 5806] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5793] close(27 [pid 293] openat(AT_FDCWD, "./4657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5807] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5807] <... futex resumed>) = 0 [pid 5806] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] close(28 [pid 293] <... openat resumed>) = 3 [pid 5807] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5806] <... futex resumed>) = 0 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(3, "", [pid 5807] <... bpf resumed>) = 0 [pid 5807] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5806] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] close(29 [pid 5807] <... bpf resumed>) = 4 [pid 5806] <... futex resumed>) = 0 [pid 5793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5807] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5793] exit_group(0 [pid 293] getdents64(3, [pid 5807] <... futex resumed>) = 0 [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5799] <... futex resumed>) = ? [pid 5797] <... futex resumed>) = ? [pid 5793] <... exit_group resumed>) = ? [pid 5807] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] +++ exited with 0 +++ [pid 5797] +++ exited with 0 +++ [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5806] <... futex resumed>) = 0 [pid 293] umount2("./4657/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5806] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5793] +++ exited with 0 +++ [pid 293] newfstatat(AT_FDCWD, "./4657/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] unlink("./4657/cgroup.cpu" [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... unlink resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 293] umount2("./4657/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4657/binderfs", [pid 297] umount2("./4832", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4657/binderfs" [pid 297] openat(AT_FDCWD, "./4832", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... unlink resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 293] umount2("./4657/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 293] newfstatat(AT_FDCWD, "./4657/cgroup", [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4832/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4657/cgroup" [pid 297] newfstatat(AT_FDCWD, "./4832/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] unlink("./4832/cgroup.cpu" [pid 293] umount2("./4657/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./4832/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4657/cgroup.net", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4832/binderfs", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4657/cgroup.net" [pid 297] unlink("./4832/binderfs" [pid 293] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4832/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4832/cgroup", [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] close(3 [pid 297] unlink("./4832/cgroup" [pid 293] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 293] rmdir("./4657" [pid 297] umount2("./4832/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] <... rmdir resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4832/cgroup.net", [pid 293] mkdir("./4658", 0777 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4832/cgroup.net" [pid 293] <... mkdir resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] getdents64(3, ./strace-static-x86_64: Process 5808 attached 0x555556878730 /* 0 entries */, 32768) = 0 [pid 5808] set_robust_list(0x5555568776a0, 24) = 0 [pid 297] close(3 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13738 [pid 5808] chdir("./4658") = 0 [pid 297] <... close resumed>) = 0 [pid 5808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] rmdir("./4832" [pid 5808] setpgid(0, 0) = 0 [pid 5808] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 297] <... rmdir resumed>) = 0 [pid 5808] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 297] mkdir("./4833", 0777 [pid 5808] <... symlink resumed>) = 0 [pid 5808] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] <... mkdir resumed>) = 0 [pid 5808] write(3, "1000", 4 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5808] <... write resumed>) = 4 [pid 5808] close(3) = 0 [pid 5808] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5808] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5809 attached [pid 5808] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5809] set_robust_list(0x5555568776a0, 24 [pid 5808] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14253 [pid 5809] <... set_robust_list resumed>) = 0 [pid 5808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5809] chdir("./4833" [pid 5808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] <... chdir resumed>) = 0 [pid 5808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5808] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5809] <... prctl resumed>) = 0 [pid 5808] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5809] setpgid(0, 0 [pid 5808] <... mprotect resumed>) = 0 [pid 5809] <... setpgid resumed>) = 0 [pid 5808] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5809] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5808] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5809] <... symlink resumed>) = 0 [pid 5808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5810 attached [pid 5809] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5810] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5809] <... symlink resumed>) = 0 [pid 5807] <... bpf resumed>) = 5 [pid 5803] <... bpf resumed>) = 5 [pid 5808] <... clone3 resumed> => {parent_tid=[13739]}, 88) = 13739 [pid 5802] <... bpf resumed>) = 5 [pid 5810] <... set_robust_list resumed>) = 0 [pid 5809] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5808] rt_sigprocmask(SIG_SETMASK, [], [pid 5807] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] rt_sigprocmask(SIG_SETMASK, [], [pid 5809] <... symlink resumed>) = 0 [pid 5808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = 0 [pid 5803] <... futex resumed>) = 1 [pid 5802] <... futex resumed>) = 1 [pid 5801] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5808] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] close(3 [pid 5803] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5802] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] close(3 [pid 5800] close(3 [pid 5810] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5809] <... openat resumed>) = 3 [pid 5808] <... futex resumed>) = 0 [pid 5806] <... close resumed>) = 0 [pid 5801] <... close resumed>) = 0 [pid 5800] <... close resumed>) = 0 [pid 5809] write(3, "1000", 4 [pid 5801] close(4 [pid 5800] close(4 [pid 5810] <... bpf resumed>) = 3 [pid 5809] <... write resumed>) = 4 [pid 5808] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] close(4 [pid 5801] <... close resumed>) = 0 [pid 5800] <... close resumed>) = 0 [pid 5810] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] close(3 [pid 5808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... close resumed>) = 0 [pid 5801] close(5 [pid 5800] close(5 [pid 5810] <... futex resumed>) = 0 [pid 5809] <... close resumed>) = 0 [pid 5808] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] close(5 [pid 5801] <... close resumed>) = 0 [pid 5810] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5809] symlink("/dev/binderfs", "./binderfs" [pid 5808] <... futex resumed>) = 0 [pid 5801] close(6 [pid 5810] <... bpf resumed>) = 0 [pid 5809] <... symlink resumed>) = 0 [pid 5808] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... futex resumed>) = 0 [pid 5801] close(7 [pid 5810] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5808] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5801] close(8 [pid 5809] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5808] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5808] <... mprotect resumed>) = 0 [pid 5801] close(9 [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5808] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5801] close(10 [pid 5809] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5808] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5801] close(11 [pid 5809] <... mprotect resumed>) = 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5811 attached [pid 5809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5801] close(12 [pid 5811] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5808] <... clone3 resumed> => {parent_tid=[13740]}, 88) = 13740 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... set_robust_list resumed>) = 0 [pid 5809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5808] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] close(13./strace-static-x86_64: Process 5812 attached [pid 5811] rt_sigprocmask(SIG_SETMASK, [], [pid 5808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] <... clone3 resumed> => {parent_tid=[14254]}, 88) = 14254 [pid 5808] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] close(14 [pid 5812] <... set_robust_list resumed>) = 0 [pid 5811] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5809] rt_sigprocmask(SIG_SETMASK, [], [pid 5808] <... futex resumed>) = 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] rt_sigprocmask(SIG_SETMASK, [], [pid 5811] <... bpf resumed>) = 4 [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5808] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] close(15 [pid 5812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5811] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5811] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5808] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] close(16 [pid 5812] <... bpf resumed>) = 3 [pid 5811] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5810] <... futex resumed>) = 0 [pid 5809] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5808] <... futex resumed>) = 1 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5808] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5801] close(17 [pid 5812] <... futex resumed>) = 0 [pid 5809] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5809] <... futex resumed>) = 0 [pid 5801] close(18 [pid 5809] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... futex resumed>) = 0 [pid 5801] close(19 [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] <... bpf resumed>) = 0 [pid 5809] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5801] close(20 [pid 5812] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] <... futex resumed>) = 0 [pid 5809] <... mprotect resumed>) = 0 [pid 5801] close(21 [pid 5812] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5801] close(22 [pid 5809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5813 attached [pid 5801] close(23 [pid 5813] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5809] <... clone3 resumed> => {parent_tid=[14255]}, 88) = 14255 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... set_robust_list resumed>) = 0 [pid 5809] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] close(24 [pid 5813] rt_sigprocmask(SIG_SETMASK, [], [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] close(25 [pid 5813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5809] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] close(26) = -1 EBADF (Bad file descriptor) [pid 5801] close(27) = -1 EBADF (Bad file descriptor) [pid 5801] close(28) = -1 EBADF (Bad file descriptor) [pid 5801] close(29) = -1 EBADF (Bad file descriptor) [pid 5801] exit_group(0 [pid 5813] <... bpf resumed>) = 4 [pid 5805] <... futex resumed>) = ? [pid 5803] <... futex resumed>) = ? [pid 5801] <... exit_group resumed>) = ? [pid 5813] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] +++ exited with 0 +++ [pid 5803] +++ exited with 0 +++ [pid 5801] +++ exited with 0 +++ [pid 5813] <... futex resumed>) = 1 [pid 5809] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5813] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 1 [pid 5812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5809] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] umount2("./4721", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4721/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4721/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4721/cgroup.cpu") = 0 [pid 294] umount2("./4721/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4721/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4721/binderfs") = 0 [pid 294] umount2("./4721/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4721/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4721/cgroup") = 0 [pid 294] umount2("./4721/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4721/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4721/cgroup.net") = 0 [pid 294] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [pid 294] rmdir("./4721") = 0 [pid 294] mkdir("./4722", 0777) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5814 attached [pid 5814] set_robust_list(0x5555568776a0, 24 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13904 [pid 5814] <... set_robust_list resumed>) = 0 [pid 5814] chdir("./4722") = 0 [pid 5814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5814] setpgid(0, 0) = 0 [pid 5814] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5814] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5814] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5814] write(3, "1000", 4) = 4 [pid 5814] close(3) = 0 [pid 5814] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5814] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5814] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5800] <... close resumed>) = 0 [pid 5814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5800] close(6 [pid 5814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5800] close(7 [pid 5806] <... close resumed>) = 0 [pid 5814] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] <... mprotect resumed>) = 0 [pid 5806] close(6 [pid 5800] close(8 [pid 5814] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5806] close(7 [pid 5800] close(9 [pid 5814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] close(10./strace-static-x86_64: Process 5815 attached [pid 5814] <... clone3 resumed> => {parent_tid=[13905]}, 88) = 13905 [pid 5806] close(8 [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5814] rt_sigprocmask(SIG_SETMASK, [], [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] close(11 [pid 5815] <... set_robust_list resumed>) = 0 [pid 5814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5806] close(9 [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] rt_sigprocmask(SIG_SETMASK, [], [pid 5814] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] close(12 [pid 5815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5814] <... futex resumed>) = 0 [pid 5806] close(10 [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5814] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] close(13 [pid 5815] <... bpf resumed>) = 3 [pid 5806] close(11 [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] close(14) = -1 EBADF (Bad file descriptor) [pid 5815] <... futex resumed>) = 1 [pid 5814] <... futex resumed>) = 0 [pid 5806] close(12 [pid 5800] close(15 [pid 5815] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5814] <... futex resumed>) = 0 [pid 5806] close(13 [pid 5800] close(16 [pid 5814] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5814] <... futex resumed>) = 0 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] close(17 [pid 5814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] <... bpf resumed>) = 0 [pid 5814] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5800] close(18 [pid 5806] close(14 [pid 5815] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] <... futex resumed>) = 0 [pid 5814] <... mprotect resumed>) = 0 [pid 5800] close(19 [pid 5806] close(15 [pid 5815] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5806] close(16 [pid 5800] close(20 [pid 5814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5816 attached [pid 5806] close(17 [pid 5800] close(21 [pid 5816] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5814] <... clone3 resumed> => {parent_tid=[13906]}, 88) = 13906 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] <... set_robust_list resumed>) = 0 [pid 5814] rt_sigprocmask(SIG_SETMASK, [], [pid 5806] close(18 [pid 5800] close(22 [pid 5816] rt_sigprocmask(SIG_SETMASK, [], [pid 5814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5814] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] close(19 [pid 5800] close(23 [pid 5816] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5814] <... futex resumed>) = 0 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5800] close(24) = -1 EBADF (Bad file descriptor) [pid 5800] close(25) = -1 EBADF (Bad file descriptor) [pid 5800] close(26) = -1 EBADF (Bad file descriptor) [pid 5800] close(27 [pid 5816] <... bpf resumed>) = 4 [pid 5806] close(20 [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] close(28 [pid 5816] <... futex resumed>) = 1 [pid 5814] <... futex resumed>) = 0 [pid 5806] close(21 [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] close(29 [pid 5816] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5815] <... futex resumed>) = 0 [pid 5814] <... futex resumed>) = 1 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5814] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5806] close(22 [pid 5800] exit_group(0 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5804] <... futex resumed>) = ? [pid 5802] <... futex resumed>) = ? [pid 5800] <... exit_group resumed>) = ? [pid 5806] close(23 [pid 5804] +++ exited with 0 +++ [pid 5802] +++ exited with 0 +++ [pid 5800] +++ exited with 0 +++ [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] close(24 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 5806] close(25) = -1 EBADF (Bad file descriptor) [pid 296] <... restart_syscall resumed>) = 0 [pid 5806] close(26) = -1 EBADF (Bad file descriptor) [pid 5806] close(27 [pid 296] umount2("./4800", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] close(28 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] openat(AT_FDCWD, "./4800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5806] close(29 [pid 296] <... openat resumed>) = 3 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(3, "", [pid 5806] exit_group(0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5807] <... futex resumed>) = ? [pid 5806] <... exit_group resumed>) = ? [pid 5807] +++ exited with 0 +++ [pid 296] getdents64(3, [pid 5806] +++ exited with 0 +++ [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4800/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 296] newfstatat(AT_FDCWD, "./4800/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4800/cgroup.cpu" [pid 295] <... restart_syscall resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] umount2("./4800/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4771", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(AT_FDCWD, "./4800/binderfs", [pid 295] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] unlink("./4800/binderfs" [pid 295] umount2("./4771/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4771/cgroup.cpu", [pid 296] umount2("./4800/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4771/cgroup.cpu" [pid 296] newfstatat(AT_FDCWD, "./4800/cgroup", [pid 295] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4771/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4800/cgroup" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4771/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4771/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] umount2("./4800/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4771/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4771/cgroup", [pid 296] newfstatat(AT_FDCWD, "./4800/cgroup.net", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4771/cgroup" [pid 296] unlink("./4800/cgroup.net" [pid 295] <... unlink resumed>) = 0 [pid 295] umount2("./4771/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./4771/cgroup.net", [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] close(3 [pid 295] unlink("./4771/cgroup.net" [pid 296] <... close resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] rmdir("./4800" [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4771" [pid 296] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 296] mkdir("./4801", 0777 [pid 295] mkdir("./4772", 0777) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5817 attached [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14075 ./strace-static-x86_64: Process 5818 attached [pid 5817] set_robust_list(0x5555568776a0, 24 [pid 5818] set_robust_list(0x5555568776a0, 24 [pid 5817] <... set_robust_list resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14180 [pid 5818] <... set_robust_list resumed>) = 0 [pid 5818] chdir("./4801" [pid 5817] chdir("./4772" [pid 5818] <... chdir resumed>) = 0 [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5818] setpgid(0, 0 [pid 5817] <... chdir resumed>) = 0 [pid 5818] <... setpgid resumed>) = 0 [pid 5817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5818] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5817] <... prctl resumed>) = 0 [pid 5818] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5817] setpgid(0, 0 [pid 5818] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5817] <... setpgid resumed>) = 0 [pid 5818] <... symlink resumed>) = 0 [pid 5818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5817] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5818] write(3, "1000", 4) = 4 [pid 5818] close(3) = 0 [pid 5817] <... symlink resumed>) = 0 [pid 5818] symlink("/dev/binderfs", "./binderfs" [pid 5817] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5818] <... symlink resumed>) = 0 [pid 5818] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5818] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5817] <... symlink resumed>) = 0 [pid 5818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5817] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5818] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5818] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5818] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5817] <... symlink resumed>) = 0 [pid 5818] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5819 attached [pid 5818] <... clone3 resumed> => {parent_tid=[14181]}, 88) = 14181 [pid 5819] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5818] rt_sigprocmask(SIG_SETMASK, [], [pid 5817] <... openat resumed>) = 3 [pid 5815] <... bpf resumed>) = 5 [pid 5812] <... bpf resumed>) = 5 [pid 5810] <... bpf resumed>) = 5 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] write(3, "1000", 4 [pid 5815] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... write resumed>) = 4 [pid 5815] <... futex resumed>) = 1 [pid 5814] <... futex resumed>) = 0 [pid 5812] <... futex resumed>) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] <... futex resumed>) = 0 [pid 5817] close(3 [pid 5815] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] close(3 [pid 5812] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5810] <... futex resumed>) = 1 [pid 5809] close(3 [pid 5808] <... futex resumed>) = 0 [pid 5819] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5818] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... close resumed>) = 0 [pid 5814] <... close resumed>) = 0 [pid 5810] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] <... close resumed>) = 0 [pid 5808] close(3 [pid 5819] <... bpf resumed>) = 3 [pid 5817] symlink("/dev/binderfs", "./binderfs" [pid 5814] close(4 [pid 5809] close(4 [pid 5819] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... close resumed>) = 0 [pid 5809] <... close resumed>) = 0 [pid 5808] <... close resumed>) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5817] <... symlink resumed>) = 0 [pid 5814] close(5 [pid 5809] close(5 [pid 5808] close(4 [pid 5819] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... close resumed>) = 0 [pid 5809] <... close resumed>) = 0 [pid 5818] <... futex resumed>) = 0 [pid 5814] close(6 [pid 5809] close(6 [pid 5808] <... close resumed>) = 0 [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5818] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... futex resumed>) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(5 [pid 5819] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5818] <... futex resumed>) = 0 [pid 5817] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5814] close(7 [pid 5809] close(7 [pid 5818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = 0 [pid 5817] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5819] <... bpf resumed>) = 0 [pid 5818] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5817] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5814] close(8 [pid 5809] close(8 [pid 5808] close(6 [pid 5819] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... futex resumed>) = 0 [pid 5818] <... mprotect resumed>) = 0 [pid 5814] close(9 [pid 5809] close(9 [pid 5819] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(7 [pid 5818] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5817] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5814] close(10 [pid 5809] close(10 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5817] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(8./strace-static-x86_64: Process 5820 attached [pid 5817] <... mprotect resumed>) = 0 [pid 5814] close(11 [pid 5809] close(11 [pid 5820] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5818] <... clone3 resumed> => {parent_tid=[14182]}, 88) = 14182 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5820] <... set_robust_list resumed>) = 0 [pid 5818] rt_sigprocmask(SIG_SETMASK, [], [pid 5817] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5814] close(12 [pid 5809] close(12 [pid 5808] close(9 [pid 5820] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5814] close(13 [pid 5809] close(13 [pid 5808] close(10./strace-static-x86_64: Process 5821 attached [pid 5820] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5818] <... futex resumed>) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5818] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] close(14 [pid 5809] close(14 [pid 5821] <... set_robust_list resumed>) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] rt_sigprocmask(SIG_SETMASK, [], [pid 5814] close(15 [pid 5809] close(15 [pid 5821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] <... bpf resumed>) = 4 [pid 5817] <... clone3 resumed> => {parent_tid=[14076]}, 88) = 14076 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(11 [pid 5821] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] rt_sigprocmask(SIG_SETMASK, [], [pid 5814] close(16 [pid 5809] close(16 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5820] <... futex resumed>) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(12 [pid 5820] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] close(17 [pid 5809] close(17 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] <... futex resumed>) = 0 [pid 5819] <... futex resumed>) = 0 [pid 5818] <... futex resumed>) = 1 [pid 5817] <... futex resumed>) = 1 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(13 [pid 5821] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5819] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5818] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5817] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] close(18 [pid 5809] close(18 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] <... bpf resumed>) = 3 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(14 [pid 5821] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] close(19 [pid 5809] close(19 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] <... futex resumed>) = 1 [pid 5817] <... futex resumed>) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] close(20 [pid 5809] close(20 [pid 5808] close(15 [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] <... futex resumed>) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5817] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] close(21 [pid 5809] close(21 [pid 5808] close(16 [pid 5821] <... bpf resumed>) = 0 [pid 5817] <... futex resumed>) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5814] close(22 [pid 5809] close(22 [pid 5808] close(17 [pid 5821] <... futex resumed>) = 0 [pid 5817] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5814] close(23 [pid 5809] close(23 [pid 5808] close(18 [pid 5817] <... mprotect resumed>) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5814] close(24 [pid 5809] close(24 [pid 5808] close(19 [pid 5817] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5814] close(25 [pid 5809] close(25 [pid 5808] close(20./strace-static-x86_64: Process 5822 attached [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5817] <... clone3 resumed> => {parent_tid=[14077]}, 88) = 14077 [pid 5814] close(26 [pid 5809] close(26 [pid 5808] close(21 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5817] rt_sigprocmask(SIG_SETMASK, [], [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] rt_sigprocmask(SIG_SETMASK, [], [pid 5817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5814] close(27 [pid 5809] close(27 [pid 5808] close(22 [pid 5822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5817] <... futex resumed>) = 0 [pid 5814] close(28 [pid 5809] close(28 [pid 5808] close(23 [pid 5817] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(24) = -1 EBADF (Bad file descriptor) [pid 5808] close(25) = -1 EBADF (Bad file descriptor) [pid 5808] close(26 [pid 5822] <... bpf resumed>) = 4 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] close(29 [pid 5809] close(29 [pid 5808] close(27 [pid 5822] <... futex resumed>) = 1 [pid 5817] <... futex resumed>) = 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] exit_group(0 [pid 5809] exit_group(0 [pid 5808] close(28 [pid 5821] <... futex resumed>) = 0 [pid 5817] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = ? [pid 5815] <... futex resumed>) = ? [pid 5814] <... exit_group resumed>) = ? [pid 5813] <... futex resumed>) = ? [pid 5812] <... futex resumed>) = ? [pid 5809] <... exit_group resumed>) = ? [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5817] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5816] +++ exited with 0 +++ [pid 5815] +++ exited with 0 +++ [pid 5813] +++ exited with 0 +++ [pid 5808] close(29) = -1 EBADF (Bad file descriptor) [pid 5814] +++ exited with 0 +++ [pid 5812] +++ exited with 0 +++ [pid 5808] exit_group(0 [pid 5810] <... futex resumed>) = ? [pid 5808] <... exit_group resumed>) = ? [pid 5810] +++ exited with 0 +++ [pid 5809] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5811] <... futex resumed>) = 230 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5811] +++ exited with 0 +++ [pid 5808] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... restart_syscall resumed>) = 0 [pid 294] umount2("./4722", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4833", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... restart_syscall resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4833", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] openat(AT_FDCWD, "./4722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 294] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 294] newfstatat(3, "", [pid 293] umount2("./4658", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] umount2("./4833/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] getdents64(3, [pid 293] openat(AT_FDCWD, "./4658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] newfstatat(AT_FDCWD, "./4833/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... openat resumed>) = 3 [pid 297] unlink("./4833/cgroup.cpu" [pid 294] umount2("./4722/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(3, "", [pid 297] umount2("./4833/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4722/cgroup.cpu", [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(AT_FDCWD, "./4833/binderfs", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4722/cgroup.cpu" [pid 293] getdents64(3, [pid 5819] <... bpf resumed>) = 5 [pid 297] unlink("./4833/binderfs" [pid 5821] <... bpf resumed>) = 5 [pid 297] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5821] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4833/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4722/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4658/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5821] <... futex resumed>) = 1 [pid 5819] <... futex resumed>) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5817] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] close(3 [pid 5817] close(3 [pid 297] newfstatat(AT_FDCWD, "./4833/cgroup", [pid 294] newfstatat(AT_FDCWD, "./4722/binderfs", [pid 293] newfstatat(AT_FDCWD, "./4658/cgroup.cpu", [pid 5818] <... close resumed>) = 0 [pid 5817] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5817] close(4 [pid 297] unlink("./4833/cgroup" [pid 5818] close(4 [pid 5817] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5818] <... close resumed>) = 0 [pid 5817] close(5 [pid 297] umount2("./4833/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4722/binderfs" [pid 293] unlink("./4658/cgroup.cpu" [pid 5818] close(5 [pid 5817] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5817] close(6 [pid 297] newfstatat(AT_FDCWD, "./4833/cgroup.net", [pid 294] <... unlink resumed>) = 0 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5817] close(7 [pid 297] unlink("./4833/cgroup.net" [pid 5818] <... close resumed>) = 0 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 5818] close(6 [pid 294] umount2("./4722/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4658/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] close(8 [pid 297] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5818] close(7 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] close(9 [pid 297] close(3 [pid 294] newfstatat(AT_FDCWD, "./4722/cgroup", [pid 293] newfstatat(AT_FDCWD, "./4658/binderfs", [pid 5818] close(8 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] close(10 [pid 297] rmdir("./4833" [pid 294] unlink("./4722/cgroup" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5818] close(9 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 5817] close(11 [pid 297] mkdir("./4834", 0777 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 293] unlink("./4658/binderfs" [pid 5818] close(10 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... mkdir resumed>) = 0 [pid 294] umount2("./4722/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5817] close(12 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5823 attached [pid 5818] close(11 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4658/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5823] set_robust_list(0x5555568776a0, 24 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] close(13 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14256 [pid 294] newfstatat(AT_FDCWD, "./4722/cgroup.net", [pid 5823] <... set_robust_list resumed>) = 0 [pid 5818] close(12 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] chdir("./4834" [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] close(14 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4658/cgroup", [pid 5823] <... chdir resumed>) = 0 [pid 5818] close(13 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4722/cgroup.net" [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] close(15 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] close(16 [pid 5823] <... prctl resumed>) = 0 [pid 5818] close(14 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 293] unlink("./4658/cgroup" [pid 5823] setpgid(0, 0 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] close(17 [pid 294] getdents64(3, [pid 5823] <... setpgid resumed>) = 0 [pid 5818] close(15 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 5817] close(18 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5823] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] close(19 [pid 294] close(3 [pid 293] umount2("./4658/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... symlink resumed>) = 0 [pid 5817] close(20 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5818] close(16 [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... close resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4658/cgroup.net", [pid 5817] close(21 [pid 5823] <... symlink resumed>) = 0 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] rmdir("./4722" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5823] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5818] close(17 [pid 5817] close(22) = -1 EBADF (Bad file descriptor) [pid 5817] close(23 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... rmdir resumed>) = 0 [pid 293] unlink("./4658/cgroup.net" [pid 5817] close(24) = -1 EBADF (Bad file descriptor) [pid 5823] <... symlink resumed>) = 0 [pid 5817] close(25) = -1 EBADF (Bad file descriptor) [pid 5817] close(26) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5818] close(18 [pid 5817] close(27 [pid 294] mkdir("./4723", 0777 [pid 293] getdents64(3, [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... openat resumed>) = 3 [pid 5817] close(28 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5817] close(29) = -1 EBADF (Bad file descriptor) [pid 5817] exit_group(0 [pid 5822] <... futex resumed>) = ? [pid 5821] <... futex resumed>) = ? [pid 5818] close(19 [pid 5823] write(3, "1000", 4 [pid 5817] <... exit_group resumed>) = ? [pid 294] <... mkdir resumed>) = 0 [pid 293] close(3 [pid 5823] <... write resumed>) = 4 [pid 5822] +++ exited with 0 +++ [pid 5821] +++ exited with 0 +++ [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] +++ exited with 0 +++ [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... close resumed>) = 0 [pid 5823] close(3 [pid 5818] close(20 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14075, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5824 attached [pid 5823] <... close resumed>) = 0 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] rmdir("./4658" [pid 5824] set_robust_list(0x5555568776a0, 24 [pid 5823] symlink("/dev/binderfs", "./binderfs" [pid 5818] close(21 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13907 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5824] chdir("./4723" [pid 293] <... rmdir resumed>) = 0 [pid 5824] <... chdir resumed>) = 0 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5823] <... symlink resumed>) = 0 [pid 5818] close(22 [pid 5824] setpgid(0, 0 [pid 5823] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... restart_syscall resumed>) = 0 [pid 293] mkdir("./4659", 0777 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] <... setpgid resumed>) = 0 [pid 5823] <... futex resumed>) = 0 [pid 5824] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5823] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5818] close(23 [pid 293] <... mkdir resumed>) = 0 [pid 5824] <... symlink resumed>) = 0 [pid 5823] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4772", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5818] close(24 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5825 attached [pid 5824] <... symlink resumed>) = 0 [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] openat(AT_FDCWD, "./4772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5825] set_robust_list(0x5555568776a0, 24 [pid 5824] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5818] close(25 [pid 295] <... openat resumed>) = 3 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13741 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5824] <... symlink resumed>) = 0 [pid 5823] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(3, "", [pid 5825] chdir("./4659" [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5823] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5818] close(26 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5825] <... chdir resumed>) = 0 [pid 5824] <... openat resumed>) = 3 [pid 5823] <... mprotect resumed>) = 0 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] getdents64(3, [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5824] write(3, "1000", 4 [pid 5823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5818] close(27 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5825] <... prctl resumed>) = 0 [pid 5824] <... write resumed>) = 4 [pid 5823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4772/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5825] setpgid(0, 0 [pid 5824] close(3 [pid 5823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5818] close(28 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] <... setpgid resumed>) = 0 [pid 5824] <... close resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4772/cgroup.cpu", ./strace-static-x86_64: Process 5826 attached [pid 5825] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5824] symlink("/dev/binderfs", "./binderfs" [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5825] <... symlink resumed>) = 0 [pid 5824] <... symlink resumed>) = 0 [pid 5823] <... clone3 resumed> => {parent_tid=[14257]}, 88) = 14257 [pid 5818] close(29 [pid 295] unlink("./4772/cgroup.cpu" [pid 5826] <... set_robust_list resumed>) = 0 [pid 5825] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5824] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 [pid 5826] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] <... symlink resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] exit_group(0 [pid 295] umount2("./4772/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5824] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5823] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... futex resumed>) = ? [pid 5819] <... futex resumed>) = ? [pid 5818] <... exit_group resumed>) = ? [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5825] <... symlink resumed>) = 0 [pid 5824] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5823] <... futex resumed>) = 0 [pid 5819] +++ exited with 0 +++ [pid 295] newfstatat(AT_FDCWD, "./4772/binderfs", [pid 5826] <... bpf resumed>) = 3 [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... openat resumed>) = 3 [pid 5824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] +++ exited with 0 +++ [pid 5818] +++ exited with 0 +++ [pid 295] unlink("./4772/binderfs" [pid 5826] <... futex resumed>) = 0 [pid 5825] write(3, "1000", 4 [pid 5824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... unlink resumed>) = 0 [pid 5826] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] <... write resumed>) = 4 [pid 5824] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5823] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] umount2("./4772/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5825] close(3 [pid 5824] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5823] <... futex resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5825] <... close resumed>) = 0 [pid 5824] <... mprotect resumed>) = 0 [pid 5823] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4772/cgroup", [pid 5826] <... bpf resumed>) = 0 [pid 5825] symlink("/dev/binderfs", "./binderfs" [pid 5824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5823] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... symlink resumed>) = 0 [pid 5824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] umount2("./4801", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4772/cgroup" [pid 5826] <... futex resumed>) = 0 [pid 5825] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5823] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5827 attached [pid 5826] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] <... futex resumed>) = 0 [pid 5823] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] openat(AT_FDCWD, "./4801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./4772/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5827] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5825] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5824] <... clone3 resumed> => {parent_tid=[13908]}, 88) = 13908 [pid 5823] <... mprotect resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] <... set_robust_list resumed>) = 0 [pid 5825] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] rt_sigprocmask(SIG_SETMASK, [], [pid 5823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] newfstatat(3, "", [pid 295] newfstatat(AT_FDCWD, "./4772/cgroup.net", [pid 5827] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] getdents64(3, [pid 295] unlink("./4772/cgroup.net"./strace-static-x86_64: Process 5828 attached [pid 5827] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5824] <... futex resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... unlink resumed>) = 0 [pid 5828] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5827] <... bpf resumed>) = 3 [pid 5825] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5824] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] <... clone3 resumed> => {parent_tid=[14258]}, 88) = 14258 [pid 296] umount2("./4801/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 5828] <... set_robust_list resumed>) = 0 [pid 5827] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5823] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5828] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] <... futex resumed>) = 0 [pid 5825] <... mprotect resumed>) = 0 [pid 5824] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] newfstatat(AT_FDCWD, "./4801/cgroup.cpu", [pid 295] close(3 [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5824] <... futex resumed>) = 0 [pid 5823] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... close resumed>) = 0 [pid 5828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] unlink("./4801/cgroup.cpu" [pid 295] rmdir("./4772" [pid 5827] <... bpf resumed>) = 0 [pid 5823] <... futex resumed>) = 0 [pid 5828] <... bpf resumed>) = 4 [pid 5827] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5824] <... futex resumed>) = 0 [pid 5823] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... unlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5829 attached [pid 5828] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... futex resumed>) = 0 [pid 5824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] umount2("./4801/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] mkdir("./4773", 0777 [pid 5829] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5828] <... futex resumed>) = 0 [pid 5827] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] <... clone3 resumed> => {parent_tid=[13742]}, 88) = 13742 [pid 5824] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5823] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] <... futex resumed>) = 0 [pid 5825] rt_sigprocmask(SIG_SETMASK, [], [pid 5824] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5823] <... futex resumed>) = 1 [pid 296] newfstatat(AT_FDCWD, "./4801/binderfs", [pid 295] <... mkdir resumed>) = 0 [pid 5829] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] <... mprotect resumed>) = 0 [pid 5823] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... bpf resumed>) = 5 [pid 5825] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] unlink("./4801/binderfs" [pid 5829] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5830 attached ) = 3 [pid 5825] <... futex resumed>) = 0 [pid 5830] set_robust_list(0x5555568776a0, 24 [pid 5829] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14078 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5826] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5823] <... futex resumed>) = 0 [pid 296] umount2("./4801/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5830] chdir("./4773" [pid 5829] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... chdir resumed>) = 0 [pid 5829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5831 attached [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5825] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5830] <... prctl resumed>) = 0 [pid 5829] <... bpf resumed>) = 0 [pid 5823] close(3 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] setpgid(0, 0 [pid 5829] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... clone3 resumed> => {parent_tid=[13909]}, 88) = 13909 [pid 5823] <... close resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4801/cgroup", [pid 5831] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... setpgid resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5824] rt_sigprocmask(SIG_SETMASK, [], [pid 5823] close(4 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5829] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] <... close resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... symlink resumed>) = 0 [pid 5825] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5824] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] close(5 [pid 296] unlink("./4801/cgroup" [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5825] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5824] <... futex resumed>) = 0 [pid 5831] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5830] <... symlink resumed>) = 0 [pid 5823] <... close resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 5831] <... bpf resumed>) = 4 [pid 5830] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5825] <... mprotect resumed>) = 0 [pid 5824] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] close(6 [pid 296] umount2("./4801/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5831] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... symlink resumed>) = 0 [pid 5825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... futex resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] close(7 [pid 296] newfstatat(AT_FDCWD, "./4801/cgroup.net", [pid 5831] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... openat resumed>) = 3 [pid 5827] <... futex resumed>) = 0 [pid 5825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5824] <... futex resumed>) = 1 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] write(3, "1000", 4 [pid 5827] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5830] <... write resumed>) = 4 [pid 5824] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5823] close(8./strace-static-x86_64: Process 5832 attached [pid 5830] close(3 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4801/cgroup.net" [pid 5832] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5830] <... close resumed>) = 0 [pid 5825] <... clone3 resumed> => {parent_tid=[13743]}, 88) = 13743 [pid 5823] close(9 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5830] symlink("/dev/binderfs", "./binderfs" [pid 5832] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... symlink resumed>) = 0 [pid 5825] rt_sigprocmask(SIG_SETMASK, [], [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] close(10 [pid 296] getdents64(3, [pid 5832] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... futex resumed>) = 0 [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5825] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5830] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5823] close(11 [pid 296] close(3 [pid 5832] <... bpf resumed>) = 4 [pid 5830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5825] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... close resumed>) = 0 [pid 5832] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5823] close(12 [pid 296] rmdir("./4801" [pid 5832] <... futex resumed>) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5832] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5830] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5827] <... bpf resumed>) = 5 [pid 5830] <... mprotect resumed>) = 0 [pid 5827] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] close(13 [pid 296] <... rmdir resumed>) = 0 [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... futex resumed>) = 0 [pid 5827] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = 1 [pid 5824] <... futex resumed>) = 0 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] mkdir("./4802", 0777 [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5827] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5824] close(3 [pid 5823] close(14 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5829] <... bpf resumed>) = 5 [pid 296] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5833 attached [pid 5829] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... close resumed>) = 0 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5830] <... clone3 resumed> => {parent_tid=[14079]}, 88) = 14079 [pid 5829] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = 0 [pid 5824] close(4 [pid 5823] close(15 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] close(3 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... close resumed>) = 0 [pid 5830] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] close(4 [pid 5830] <... futex resumed>) = 0 [pid 5825] <... close resumed>) = 0 ./strace-static-x86_64: Process 5834 attached [pid 5833] <... set_robust_list resumed>) = 0 [pid 5830] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] close(5 [pid 5824] <... close resumed>) = 0 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] set_robust_list(0x5555568776a0, 24 [pid 5833] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] <... close resumed>) = 0 [pid 5824] close(5 [pid 5823] close(16 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] close(6 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14183 [pid 5834] chdir("./4802" [pid 5833] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] <... close resumed>) = 0 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... chdir resumed>) = 0 [pid 5833] <... bpf resumed>) = 3 [pid 5825] close(7 [pid 5824] close(6 [pid 5823] close(17 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... prctl resumed>) = 0 [pid 5833] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5825] close(8 [pid 5824] close(7 [pid 5823] close(18 [pid 5834] setpgid(0, 0 [pid 5833] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... setpgid resumed>) = 0 [pid 5825] close(9 [pid 5834] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... futex resumed>) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] close(8 [pid 5823] close(19 [pid 5834] <... symlink resumed>) = 0 [pid 5825] close(10 [pid 5834] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5833] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5830] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... symlink resumed>) = 0 [pid 5825] close(11 [pid 5834] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5830] <... futex resumed>) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... symlink resumed>) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] close(12 [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 3 [pid 5833] <... bpf resumed>) = 0 [pid 5830] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5825] close(13 [pid 5824] close(9 [pid 5823] close(20 [pid 5834] write(3, "1000", 4 [pid 5833] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... write resumed>) = 4 [pid 5833] <... futex resumed>) = 0 [pid 5825] close(14 [pid 5834] close(3 [pid 5833] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... mprotect resumed>) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 5825] close(15 [pid 5824] close(10 [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5823] close(21 [pid 5834] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... symlink resumed>) = 0 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5825] close(16 [pid 5824] close(11 [pid 5823] close(22 [pid 5834] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5835 attached [pid 5834] <... futex resumed>) = 0 [pid 5825] close(17 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5834] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5830] <... clone3 resumed> => {parent_tid=[14080]}, 88) = 14080 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] close(12 [pid 5823] close(23 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] close(18 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] close(13 [pid 5823] close(24 [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] close(19 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] <... futex resumed>) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] close(14 [pid 5823] close(25 [pid 5835] <... bpf resumed>) = 4 [pid 5834] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5830] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] close(20 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] close(15 [pid 5823] close(26 [pid 5835] <... futex resumed>) = 0 [pid 5834] <... mprotect resumed>) = 0 [pid 5830] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] close(21 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = 1 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] close(16 [pid 5823] close(27 [pid 5834] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5830] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5825] close(22 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] close(17 [pid 5823] close(28./strace-static-x86_64: Process 5836 attached [pid 5825] close(23 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5834] <... clone3 resumed> => {parent_tid=[14184]}, 88) = 14184 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] close(18 [pid 5823] close(29 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] close(24 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] close(19 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] close(25 [pid 5823] exit_group(0 [pid 5834] <... futex resumed>) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5834] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... futex resumed>) = ? [pid 5826] <... futex resumed>) = ? [pid 5825] close(26 [pid 5824] close(20 [pid 5823] <... exit_group resumed>) = ? [pid 5836] <... bpf resumed>) = 3 [pid 5826] +++ exited with 0 +++ [pid 5828] +++ exited with 0 +++ [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(27) = -1 EBADF (Bad file descriptor) [pid 5825] close(28) = -1 EBADF (Bad file descriptor) [pid 5825] close(29) = -1 EBADF (Bad file descriptor) [pid 5825] exit_group(0 [pid 5832] <... futex resumed>) = ? [pid 5829] <... futex resumed>) = ? [pid 5825] <... exit_group resumed>) = ? [pid 5836] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] +++ exited with 0 +++ [pid 5829] +++ exited with 0 +++ [pid 5825] +++ exited with 0 +++ [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] +++ exited with 0 +++ [pid 5836] <... futex resumed>) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5824] close(21 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5836] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5834] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5834] <... futex resumed>) = 0 [pid 293] <... restart_syscall resumed>) = 0 [pid 5834] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... bpf resumed>) = 0 [pid 5836] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... futex resumed>) = 0 [pid 5824] close(22 [pid 5836] <... futex resumed>) = 0 [pid 5834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4659", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5824] close(23 [pid 297] umount2("./4834", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... mprotect resumed>) = 0 [pid 5824] close(24 [pid 297] openat(AT_FDCWD, "./4834", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... openat resumed>) = 3 [pid 5834] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] newfstatat(3, "", [pid 5834] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... openat resumed>) = 3 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5824] close(25 [pid 297] newfstatat(3, "", [pid 293] getdents64(3, ./strace-static-x86_64: Process 5837 attached [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5837] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5834] <... clone3 resumed> => {parent_tid=[14185]}, 88) = 14185 [pid 5824] close(26 [pid 297] getdents64(3, [pid 293] umount2("./4659/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5837] <... set_robust_list resumed>) = 0 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] close(27 [pid 297] umount2("./4834/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4659/cgroup.cpu", [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5834] <... futex resumed>) = 0 [pid 5824] close(28 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4659/cgroup.cpu" [pid 5834] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... unlink resumed>) = 0 [pid 293] umount2("./4659/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4659/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4834/cgroup.cpu", [pid 293] unlink("./4659/binderfs" [pid 5837] <... bpf resumed>) = 4 [pid 5824] close(29 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5837] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4834/cgroup.cpu" [pid 293] umount2("./4659/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5837] <... futex resumed>) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5824] exit_group(0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = ? [pid 5827] <... futex resumed>) = ? [pid 5824] <... exit_group resumed>) = ? [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4659/cgroup", [pid 5836] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 1 [pid 5831] +++ exited with 0 +++ [pid 5827] +++ exited with 0 +++ [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5834] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 293] unlink("./4659/cgroup" [pid 5824] +++ exited with 0 +++ [pid 297] umount2("./4834/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] umount2("./4659/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./4834/binderfs", [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4659/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4659/cgroup.net" [pid 297] unlink("./4834/binderfs" [pid 293] <... unlink resumed>) = 0 [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [pid 293] rmdir("./4659" [pid 297] <... unlink resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 297] umount2("./4834/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] mkdir("./4660", 0777 [pid 5836] <... bpf resumed>) = 5 [pid 5833] <... bpf resumed>) = 5 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... mkdir resumed>) = 0 [pid 5836] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached [pid 5836] <... futex resumed>) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5833] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] newfstatat(AT_FDCWD, "./4834/cgroup", [pid 294] umount2("./4723", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5838] set_robust_list(0x5555568776a0, 24 [pid 5836] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] close(3 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13744 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] chdir("./4660" [pid 5834] close(4 [pid 5833] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] close(3 [pid 5838] <... chdir resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 297] unlink("./4834/cgroup" [pid 294] openat(AT_FDCWD, "./4723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] close(5 [pid 5830] close(4 [pid 5838] <... prctl resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 5838] setpgid(0, 0 [pid 5834] close(6 [pid 5830] <... close resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 5838] <... setpgid resumed>) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(5 [pid 297] umount2("./4834/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(3, "", [pid 5838] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5834] close(7 [pid 5838] <... symlink resumed>) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5834] close(8 [pid 5830] close(6 [pid 297] newfstatat(AT_FDCWD, "./4834/cgroup.net", [pid 294] getdents64(3, [pid 5838] <... symlink resumed>) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5834] close(9 [pid 5830] close(7 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... symlink resumed>) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4834/cgroup.net" [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] close(10 [pid 5830] close(8 [pid 5838] <... openat resumed>) = 3 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4723/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5838] write(3, "1000", 4 [pid 5834] close(11 [pid 5830] close(9 [pid 297] getdents64(3, [pid 5838] <... write resumed>) = 4 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 5834] close(12 [pid 5830] close(10 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] newfstatat(AT_FDCWD, "./4723/cgroup.cpu", [pid 5838] <... close resumed>) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] close(3 [pid 5838] symlink("/dev/binderfs", "./binderfs" [pid 5834] close(13 [pid 5830] close(11 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... symlink resumed>) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 294] unlink("./4723/cgroup.cpu" [pid 5838] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] close(14 [pid 5830] close(12 [pid 297] rmdir("./4834" [pid 5838] <... futex resumed>) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 5838] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5834] close(15 [pid 5838] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5834] close(16 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 294] umount2("./4723/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5834] close(17 [pid 5830] close(13 [pid 297] mkdir("./4835", 0777 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5834] close(18 [pid 5838] <... mprotect resumed>) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5834] close(19 [pid 5830] close(14 [pid 297] <... mkdir resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4723/binderfs", [pid 5838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5834] close(20./strace-static-x86_64: Process 5839 attached ) = -1 EBADF (Bad file descriptor) [pid 5830] close(15 [pid 294] unlink("./4723/binderfs" [pid 5839] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5838] <... clone3 resumed> => {parent_tid=[13745]}, 88) = 13745 [pid 5834] close(21./strace-static-x86_64: Process 5840 attached [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] close(22 [pid 5830] close(16 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14259 [pid 294] <... unlink resumed>) = 0 [pid 5840] set_robust_list(0x5555568776a0, 24 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4723/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5840] <... set_robust_list resumed>) = 0 [pid 5839] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] <... futex resumed>) = 0 [pid 5834] close(23 [pid 5830] close(17 [pid 5840] chdir("./4835" [pid 5839] <... bpf resumed>) = 3 [pid 5838] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... chdir resumed>) = 0 [pid 5839] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] close(24 [pid 5830] close(18 [pid 294] newfstatat(AT_FDCWD, "./4723/cgroup", [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... futex resumed>) = 0 [pid 5838] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... prctl resumed>) = 0 [pid 5839] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5838] <... futex resumed>) = 0 [pid 5834] close(25 [pid 5830] close(19 [pid 294] unlink("./4723/cgroup" [pid 5840] setpgid(0, 0 [pid 5839] <... bpf resumed>) = 0 [pid 5838] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... setpgid resumed>) = 0 [pid 5839] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5834] close(26 [pid 5830] close(20 [pid 294] <... unlink resumed>) = 0 [pid 5840] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5839] <... futex resumed>) = 0 [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4723/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5840] <... symlink resumed>) = 0 [pid 5839] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5834] close(27 [pid 5830] close(21 [pid 5840] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5838] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... mprotect resumed>) = 0 [pid 5834] close(28 [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5834] close(29 [pid 5840] <... symlink resumed>) = 0 [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(22 [pid 294] newfstatat(AT_FDCWD, "./4723/cgroup.net", ./strace-static-x86_64: Process 5841 attached [pid 5840] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5834] exit_group(0 [pid 5841] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5838] <... clone3 resumed> => {parent_tid=[13746]}, 88) = 13746 [pid 5837] <... futex resumed>) = ? [pid 5836] <... futex resumed>) = ? [pid 5834] <... exit_group resumed>) = ? [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] <... symlink resumed>) = 0 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] +++ exited with 0 +++ [pid 5836] +++ exited with 0 +++ [pid 5834] +++ exited with 0 +++ [pid 5830] close(23 [pid 294] unlink("./4723/cgroup.net" [pid 5841] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5830] close(24 [pid 294] <... unlink resumed>) = 0 [pid 5841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5840] write(3, "1000", 4 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] getdents64(3, [pid 5841] <... bpf resumed>) = 4 [pid 5840] <... write resumed>) = 4 [pid 5830] close(25 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5841] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] close(3 [pid 5840] <... close resumed>) = 0 [pid 5830] close(26 [pid 5841] <... futex resumed>) = 1 [pid 5840] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... futex resumed>) = 0 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... close resumed>) = 0 [pid 5838] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = 0 [pid 5838] <... futex resumed>) = 1 [pid 5840] <... symlink resumed>) = 0 [pid 5839] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5838] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5830] close(27 [pid 294] rmdir("./4723" [pid 5841] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... futex resumed>) = 0 [pid 5830] close(28 [pid 294] <... rmdir resumed>) = 0 [pid 5840] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] close(29 [pid 5840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4802", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] mkdir("./4724", 0777 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] exit_group(0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... mkdir resumed>) = 0 [pid 5840] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5835] <... futex resumed>) = ? [pid 5833] <... futex resumed>) = ? [pid 5830] <... exit_group resumed>) = ? [pid 296] openat(AT_FDCWD, "./4802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5835] +++ exited with 0 +++ [pid 5833] +++ exited with 0 +++ [pid 5830] +++ exited with 0 +++ [pid 5840] <... mprotect resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 5840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] newfstatat(3, "", ./strace-static-x86_64: Process 5842 attached [pid 5840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] set_robust_list(0x5555568776a0, 24 [pid 5840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 296] getdents64(3, [pid 5842] <... set_robust_list resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13910 ./strace-static-x86_64: Process 5843 attached [pid 5842] chdir("./4724" [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5843] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5842] <... chdir resumed>) = 0 [pid 5840] <... clone3 resumed> => {parent_tid=[14260]}, 88) = 14260 [pid 296] umount2("./4802/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] <... prctl resumed>) = 0 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4773", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] setpgid(0, 0 [pid 5840] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(AT_FDCWD, "./4802/cgroup.cpu", [pid 5843] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... setpgid resumed>) = 0 [pid 5840] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... bpf resumed>) = 3 [pid 5842] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5840] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] openat(AT_FDCWD, "./4773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... symlink resumed>) = 0 [pid 5843] <... futex resumed>) = 0 [pid 5842] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] unlink("./4802/cgroup.cpu" [pid 5843] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... symlink resumed>) = 0 [pid 5840] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... openat resumed>) = 3 [pid 5842] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... symlink resumed>) = 0 [pid 5840] <... futex resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] newfstatat(3, "", [pid 5843] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4802/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... bpf resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5840] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] getdents64(3, [pid 5843] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] write(3, "1000", 4 [pid 5840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] newfstatat(AT_FDCWD, "./4802/binderfs", [pid 5843] <... futex resumed>) = 0 [pid 5842] <... write resumed>) = 4 [pid 5840] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5843] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] close(3 [pid 5840] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4773/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5840] <... mprotect resumed>) = 0 [pid 296] unlink("./4802/binderfs" [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5839] <... bpf resumed>) = 5 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... symlink resumed>) = 0 [pid 5840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4773/cgroup.cpu", [pid 5842] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5839] <... futex resumed>) = 1 [pid 5838] <... futex resumed>) = 0 [pid 296] umount2("./4802/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5839] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] close(3./strace-static-x86_64: Process 5844 attached [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5838] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4773/cgroup.cpu" [pid 5844] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5842] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] <... clone3 resumed> => {parent_tid=[14261]}, 88) = 14261 [pid 5838] close(4 [pid 296] newfstatat(AT_FDCWD, "./4802/cgroup", [pid 5844] <... set_robust_list resumed>) = 0 [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... close resumed>) = 0 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] close(5 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... close resumed>) = 0 [pid 5844] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5838] close(6 [pid 5842] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mprotect resumed>) = 0 [pid 5838] close(7 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4802/cgroup" [pid 295] umount2("./4773/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5844] <... futex resumed>) = 0 [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... futex resumed>) = 1 [pid 5838] close(8 [pid 5844] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5845 attached [pid 5844] <... bpf resumed>) = 4 [pid 5840] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] close(9 [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5844] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... clone3 resumed> => {parent_tid=[13911]}, 88) = 13911 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4802/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4773/binderfs", [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] close(10 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] <... futex resumed>) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... futex resumed>) = 1 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(AT_FDCWD, "./4802/cgroup.net", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5842] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5838] close(11 [pid 5845] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... futex resumed>) = 0 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4773/binderfs" [pid 5845] <... bpf resumed>) = 3 [pid 5842] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] close(12 [pid 296] unlink("./4802/cgroup.net" [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] close(13) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 [pid 5838] close(14) = -1 EBADF (Bad file descriptor) [pid 5838] close(15) = -1 EBADF (Bad file descriptor) [pid 5845] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4773/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5845] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5838] close(16 [pid 296] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./4773/cgroup", [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... futex resumed>) = 0 [pid 5838] close(17 [pid 296] close(3 [pid 5845] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5842] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5838] close(18 [pid 296] <... close resumed>) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] <... bpf resumed>) = 0 [pid 5842] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5838] close(19 [pid 296] rmdir("./4802" [pid 295] unlink("./4773/cgroup" [pid 5845] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mprotect resumed>) = 0 [pid 5838] close(20 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] close(21 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5846 attached [pid 5845] <... futex resumed>) = 0 [pid 5838] close(22 [pid 296] mkdir("./4803", 0777 [pid 295] <... unlink resumed>) = 0 [pid 5846] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5845] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... clone3 resumed> => {parent_tid=[13912]}, 88) = 13912 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... set_robust_list resumed>) = 0 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] close(23 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] close(24 [pid 296] <... mkdir resumed>) = 0 [pid 295] umount2("./4773/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5846] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5842] <... futex resumed>) = 0 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... bpf resumed>) = 4 [pid 5842] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] close(25 [pid 5846] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... futex resumed>) = 0 [pid 5842] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] close(26 [pid 5846] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] <... futex resumed>) = 0 [pid 5842] <... futex resumed>) = 1 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5847 attached [pid 5845] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5842] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5838] close(27 [pid 295] newfstatat(AT_FDCWD, "./4773/cgroup.net", [pid 5847] set_robust_list(0x5555568776a0, 24 [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... set_robust_list resumed>) = 0 [pid 5838] close(28 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14186 [pid 5847] chdir("./4803" [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... chdir resumed>) = 0 [pid 5838] close(29 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... prctl resumed>) = 0 [pid 5838] exit_group(0 [pid 5847] setpgid(0, 0 [pid 5841] <... futex resumed>) = ? [pid 5839] <... futex resumed>) = ? [pid 5838] <... exit_group resumed>) = ? [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5847] <... setpgid resumed>) = 0 [pid 5841] +++ exited with 0 +++ [pid 5839] +++ exited with 0 +++ [pid 5838] +++ exited with 0 +++ [pid 295] unlink("./4773/cgroup.net" [pid 5847] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 295] getdents64(3, [pid 5847] <... symlink resumed>) = 0 [pid 5847] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5847] <... symlink resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] close(3 [pid 5847] <... openat resumed>) = 3 [pid 293] umount2("./4660", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5847] write(3, "1000", 4 [pid 295] <... close resumed>) = 0 [pid 5847] <... write resumed>) = 4 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] close(3 [pid 295] rmdir("./4773" [pid 293] openat(AT_FDCWD, "./4660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5847] <... close resumed>) = 0 [pid 5847] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5847] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... rmdir resumed>) = 0 [pid 293] <... openat resumed>) = 3 [pid 5847] <... futex resumed>) = 0 [pid 295] mkdir("./4774", 0777 [pid 293] newfstatat(3, "", [pid 5847] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5847] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 295] <... mkdir resumed>) = 0 [pid 5847] <... mprotect resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] getdents64(3, [pid 5847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} => {parent_tid=[14187]}, 88) = 14187 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5847] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5849 attached ./strace-static-x86_64: Process 5848 attached [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5849] set_robust_list(0x5555568776a0, 24 [pid 5848] set_robust_list(0x7fd4ce13b9a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14081 [pid 293] umount2("./4660/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5849] chdir("./4774" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] rt_sigprocmask(SIG_SETMASK, [], [pid 5849] <... chdir resumed>) = 0 [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] newfstatat(AT_FDCWD, "./4660/cgroup.cpu", [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5849] <... prctl resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5849] setpgid(0, 0 [pid 5848] <... bpf resumed>) = 3 [pid 293] unlink("./4660/cgroup.cpu" [pid 5849] <... setpgid resumed>) = 0 [pid 5848] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 293] <... unlink resumed>) = 0 [pid 5848] <... futex resumed>) = 1 [pid 5849] <... symlink resumed>) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5849] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5848] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] umount2("./4660/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5849] <... symlink resumed>) = 0 [pid 5848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] <... futex resumed>) = 0 [pid 5849] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5848] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5847] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5849] <... symlink resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] <... futex resumed>) = 0 [pid 5849] write(3, "1000", 4 [pid 5848] <... bpf resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4660/binderfs", [pid 5849] <... write resumed>) = 4 [pid 5848] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5849] close(3 [pid 5848] <... futex resumed>) = 0 [pid 5847] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 293] unlink("./4660/binderfs" [pid 5849] <... close resumed>) = 0 [pid 5848] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5849] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5847] <... mprotect resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5849] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] umount2("./4660/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5849] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5849] <... rt_sigaction resumed>NULL, 8) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 293] newfstatat(AT_FDCWD, "./4660/cgroup", [pid 5849] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5850 attached [pid 5849] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5849] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5847] <... clone3 resumed> => {parent_tid=[14188]}, 88) = 14188 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 293] unlink("./4660/cgroup"./strace-static-x86_64: Process 5851 attached [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5849] <... clone3 resumed> => {parent_tid=[14082]}, 88) = 14082 [pid 5851] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... unlink resumed>) = 0 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5849] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] umount2("./4660/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5849] <... futex resumed>) = 0 [pid 5849] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] <... bpf resumed>) = 4 [pid 5847] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5850] <... futex resumed>) = 1 [pid 5847] <... futex resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4660/cgroup.net", [pid 5851] <... bpf resumed>) = 3 [pid 5850] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5848] <... futex resumed>) = 0 [pid 5847] <... futex resumed>) = 1 [pid 293] unlink("./4660/cgroup.net" [pid 5851] <... futex resumed>) = 1 [pid 5849] <... futex resumed>) = 0 [pid 5849] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5849] <... futex resumed>) = 0 [pid 5849] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... bpf resumed>) = 5 [pid 5845] <... bpf resumed>) = 5 [pid 5843] <... bpf resumed>) = 5 [pid 5851] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5849] <... futex resumed>) = 0 [pid 5848] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5845] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... unlink resumed>) = 0 [pid 5851] <... bpf resumed>) = 0 [pid 5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5848] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5851] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5848] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] <... futex resumed>) = 1 [pid 5842] close(3 [pid 5840] <... futex resumed>) = 0 [pid 293] getdents64(3, [pid 5851] <... futex resumed>) = 0 [pid 5849] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5847] close(3 [pid 5843] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... close resumed>) = 0 [pid 5849] <... mprotect resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5842] close(4 [pid 5840] close(3 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5851] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5847] close(4 [pid 5842] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 293] close(3 [pid 5849] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5847] <... close resumed>) = 0 [pid 5842] close(5 [pid 5840] close(4 [pid 5849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5847] close(5 [pid 5842] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 293] <... close resumed>) = 0 ./strace-static-x86_64: Process 5852 attached [pid 5842] close(6 [pid 5849] <... clone3 resumed> => {parent_tid=[14083]}, 88) = 14083 [pid 5847] <... close resumed>) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(5 [pid 293] rmdir("./4660" [pid 5852] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] close(6 [pid 5842] close(7 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 5849] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] close(8 [pid 5849] <... futex resumed>) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] close(9 [pid 293] <... rmdir resumed>) = 0 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(6 [pid 293] mkdir("./4661", 0777 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] close(7 [pid 5842] close(10 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(11) = -1 EBADF (Bad file descriptor) [pid 5842] close(12) = -1 EBADF (Bad file descriptor) [pid 5842] close(13 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 5852] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(7 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] close(14) = -1 EBADF (Bad file descriptor) [pid 5842] close(15) = -1 EBADF (Bad file descriptor) [pid 5842] close(16) = -1 EBADF (Bad file descriptor) [pid 5842] close(17) = -1 EBADF (Bad file descriptor) [pid 5842] close(18) = -1 EBADF (Bad file descriptor) [pid 5842] close(19) = -1 EBADF (Bad file descriptor) [pid 5852] <... bpf resumed>) = 4 [pid 5842] close(20 [pid 5847] close(8 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(21) = -1 EBADF (Bad file descriptor) [pid 5842] close(22) = -1 EBADF (Bad file descriptor) [pid 5842] close(23) = -1 EBADF (Bad file descriptor) [pid 5842] close(24) = -1 EBADF (Bad file descriptor) [pid 5842] close(25./strace-static-x86_64: Process 5853 attached [pid 5852] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(8 [pid 5853] set_robust_list(0x5555568776a0, 24 [pid 5852] <... futex resumed>) = 1 [pid 5849] <... futex resumed>) = 0 [pid 5847] close(9 [pid 5842] close(26 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13747 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(9 [pid 5853] chdir("./4661" [pid 5851] <... futex resumed>) = 0 [pid 5849] <... futex resumed>) = 1 [pid 5847] close(10 [pid 5842] close(27 [pid 5853] <... chdir resumed>) = 0 [pid 5851] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5849] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] close(11 [pid 5842] close(28 [pid 5840] close(10 [pid 5853] <... prctl resumed>) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] setpgid(0, 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(29 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... setpgid resumed>) = 0 [pid 5847] close(12 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] exit_group(0 [pid 5840] close(11 [pid 5853] <... symlink resumed>) = 0 [pid 5847] close(13 [pid 5846] <... futex resumed>) = ? [pid 5845] <... futex resumed>) = ? [pid 5842] <... exit_group resumed>) = ? [pid 5853] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] +++ exited with 0 +++ [pid 5845] +++ exited with 0 +++ [pid 5842] +++ exited with 0 +++ [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... symlink resumed>) = 0 [pid 5847] close(14 [pid 5840] close(12 [pid 5853] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... symlink resumed>) = 0 [pid 5847] close(15 [pid 5840] close(13 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4724", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5853] <... openat resumed>) = 3 [pid 5847] close(16 [pid 5840] close(14 [pid 5853] write(3, "1000", 4 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... write resumed>) = 4 [pid 5847] close(17 [pid 5840] close(15 [pid 294] openat(AT_FDCWD, "./4724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5853] close(3 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 5853] symlink("/dev/binderfs", "./binderfs" [pid 5847] close(18 [pid 5840] close(16 [pid 294] newfstatat(3, "", [pid 5853] <... symlink resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5847] close(19 [pid 5840] close(17 [pid 5853] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 294] getdents64(3, [pid 5853] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5847] close(20 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(18 [pid 294] umount2("./4724/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5847] close(21 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(19 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5847] close(22 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4724/cgroup.cpu", [pid 5853] <... mprotect resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(20 [pid 5853] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5847] close(23 [pid 5853] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4724/cgroup.cpu" [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5840] close(21./strace-static-x86_64: Process 5854 attached [pid 5854] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5853] <... clone3 resumed> => {parent_tid=[13748]}, 88) = 13748 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5853] <... futex resumed>) = 0 [pid 5847] close(24 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 5854] <... bpf resumed>) = 3 [pid 5853] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(22 [pid 294] umount2("./4724/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] close(25 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... futex resumed>) = 0 [pid 5853] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(23 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5853] <... futex resumed>) = 0 [pid 5847] close(26 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4724/binderfs", [pid 5854] <... bpf resumed>) = 0 [pid 5853] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(24 [pid 5854] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = 0 [pid 5847] close(27 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(25 [pid 294] unlink("./4724/binderfs" [pid 5854] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5853] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5847] close(28 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5840] close(26 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 5853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5847] close(29 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4724/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5855 attached [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(27 [pid 5853] <... clone3 resumed> => {parent_tid=[13749]}, 88) = 13749 [pid 5855] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... set_robust_list resumed>) = 0 [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] exit_group(0 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4724/cgroup", [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = ? [pid 5848] <... futex resumed>) = ? [pid 5847] <... exit_group resumed>) = ? [pid 5840] close(28 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5850] +++ exited with 0 +++ [pid 5848] +++ exited with 0 +++ [pid 5853] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] +++ exited with 0 +++ [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4724/cgroup" [pid 5855] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5840] close(29 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] <... unlink resumed>) = 0 [pid 5855] <... bpf resumed>) = 4 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] umount2("./4724/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5840] exit_group(0 [pid 5844] <... futex resumed>) = ? [pid 5840] <... exit_group resumed>) = ? [pid 5855] <... futex resumed>) = 1 [pid 5853] <... futex resumed>) = 0 [pid 5844] +++ exited with 0 +++ [pid 5843] <... futex resumed>) = ? [pid 296] umount2("./4803", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5853] <... futex resumed>) = 1 [pid 5854] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5853] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5843] +++ exited with 0 +++ [pid 5840] +++ exited with 0 +++ [pid 294] newfstatat(AT_FDCWD, "./4724/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4724/cgroup.net" [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] openat(AT_FDCWD, "./4803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... unlink resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 294] getdents64(3, [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 296] newfstatat(3, "", [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] close(3 [pid 296] getdents64(3, [pid 294] <... close resumed>) = 0 [pid 294] rmdir("./4724" [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... rmdir resumed>) = 0 [pid 297] umount2("./4835", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4803/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] mkdir("./4725", 0777 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4835", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] newfstatat(AT_FDCWD, "./4803/cgroup.cpu", [pid 294] <... mkdir resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] newfstatat(3, "", [pid 296] unlink("./4803/cgroup.cpu"./strace-static-x86_64: Process 5856 attached [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] set_robust_list(0x5555568776a0, 24 [pid 297] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 5854] <... bpf resumed>) = 5 [pid 5851] <... bpf resumed>) = 5 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13913 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5854] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5856] chdir("./4725" [pid 5854] <... futex resumed>) = 1 [pid 5853] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5849] <... futex resumed>) = 0 [pid 297] umount2("./4835/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4803/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5856] <... chdir resumed>) = 0 [pid 5854] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] close(3 [pid 5851] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] close(3 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] <... close resumed>) = 0 [pid 5849] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... prctl resumed>) = 0 [pid 5853] close(4 [pid 5849] close(4 [pid 297] newfstatat(AT_FDCWD, "./4835/cgroup.cpu", [pid 296] newfstatat(AT_FDCWD, "./4803/binderfs", [pid 5856] setpgid(0, 0 [pid 5853] <... close resumed>) = 0 [pid 5849] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... setpgid resumed>) = 0 [pid 5853] close(5 [pid 5849] close(5 [pid 297] unlink("./4835/cgroup.cpu" [pid 296] unlink("./4803/binderfs" [pid 5856] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5853] <... close resumed>) = 0 [pid 5849] <... close resumed>) = 0 [pid 5856] <... symlink resumed>) = 0 [pid 5853] close(6 [pid 5849] close(6 [pid 297] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 5856] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4835/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4803/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5856] <... symlink resumed>) = 0 [pid 5853] close(7 [pid 5849] close(7 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4835/binderfs", [pid 296] newfstatat(AT_FDCWD, "./4803/cgroup", [pid 5856] <... symlink resumed>) = 0 [pid 5853] close(8 [pid 5849] close(8 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4835/binderfs" [pid 296] unlink("./4803/cgroup" [pid 5856] <... openat resumed>) = 3 [pid 5853] close(9 [pid 5849] close(9 [pid 5856] write(3, "1000", 4 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 5856] <... write resumed>) = 4 [pid 5853] close(10 [pid 5849] close(10 [pid 296] <... unlink resumed>) = 0 [pid 297] umount2("./4835/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5856] close(3 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4803/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5856] <... close resumed>) = 0 [pid 5853] close(11 [pid 5849] close(11 [pid 5856] symlink("/dev/binderfs", "./binderfs" [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4835/cgroup", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... symlink resumed>) = 0 [pid 5853] close(12 [pid 5849] close(12 [pid 5856] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./4803/cgroup.net", [pid 5856] <... futex resumed>) = 0 [pid 5853] close(13 [pid 5849] close(13 [pid 297] unlink("./4835/cgroup" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5853] close(14 [pid 5849] close(14 [pid 297] <... unlink resumed>) = 0 [pid 296] unlink("./4803/cgroup.net" [pid 5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4835/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] close(15 [pid 5849] close(15 [pid 296] <... unlink resumed>) = 0 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 5856] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5853] close(16 [pid 5849] close(16 [pid 297] newfstatat(AT_FDCWD, "./4835/cgroup.net", [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5856] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] <... mprotect resumed>) = 0 [pid 5853] close(17 [pid 5849] close(17 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] close(3 [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4835/cgroup.net" [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5853] close(18 [pid 5849] close(18 [pid 296] <... close resumed>) = 0 [pid 5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 296] rmdir("./4803"./strace-static-x86_64: Process 5857 attached [pid 5853] close(19 [pid 5849] close(19 [pid 297] getdents64(3, [pid 5856] <... clone3 resumed> => {parent_tid=[13914]}, 88) = 13914 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] close(20 [pid 5849] close(20 [pid 5857] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] close(21 [pid 5849] close(21 [pid 297] close(3 [pid 296] mkdir("./4804", 0777 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... futex resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 5856] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] close(22 [pid 5849] close(22 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4835" [pid 296] <... mkdir resumed>) = 0 [pid 5857] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5853] close(23 [pid 5849] close(23 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(24 [pid 5849] close(24 [pid 297] <... rmdir resumed>) = 0 [pid 5857] <... bpf resumed>) = 3 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] mkdir("./4836", 0777 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] close(25 [pid 5849] close(25 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(26 [pid 5849] close(26 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(27 [pid 5849] close(27 [pid 5857] <... futex resumed>) = 1 [pid 5856] <... futex resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 5856] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] <... futex resumed>) = 0 [pid 5853] close(28 [pid 5849] close(28./strace-static-x86_64: Process 5858 attached [pid 5857] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5856] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] set_robust_list(0x5555568776a0, 24 [pid 5856] <... futex resumed>) = 0 [pid 5853] close(29 [pid 5849] close(29 [pid 5857] <... bpf resumed>) = 0 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14189 ./strace-static-x86_64: Process 5859 attached [pid 5858] chdir("./4804" [pid 5857] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5853] exit_group(0 [pid 5849] exit_group(0 [pid 5859] set_robust_list(0x5555568776a0, 24 [pid 5858] <... chdir resumed>) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5856] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5854] <... futex resumed>) = ? [pid 5853] <... exit_group resumed>) = ? [pid 5849] <... exit_group resumed>) = ? [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... mprotect resumed>) = 0 [pid 5855] <... futex resumed>) = ? [pid 5854] +++ exited with 0 +++ [pid 5852] <... futex resumed>) = ? [pid 5851] <... futex resumed>) = ? [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14262 [pid 5859] chdir("./4836" [pid 5858] <... prctl resumed>) = 0 [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... chdir resumed>) = 0 [pid 5858] setpgid(0, 0 [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] <... setpgid resumed>) = 0 [pid 5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5860 attached [pid 5859] <... prctl resumed>) = 0 [pid 5858] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5855] +++ exited with 0 +++ [pid 5853] +++ exited with 0 +++ [pid 5851] +++ exited with 0 +++ [pid 5860] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5859] setpgid(0, 0 [pid 5858] <... symlink resumed>) = 0 [pid 5856] <... clone3 resumed> => {parent_tid=[13915]}, 88) = 13915 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] <... setpgid resumed>) = 0 [pid 5858] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] +++ exited with 0 +++ [pid 5849] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5858] <... symlink resumed>) = 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... symlink resumed>) = 0 [pid 5858] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5856] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14081, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 293] <... restart_syscall resumed>) = 0 [pid 5860] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5859] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5858] <... symlink resumed>) = 0 [pid 5856] <... futex resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5860] <... bpf resumed>) = 4 [pid 5859] <... symlink resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... restart_syscall resumed>) = 0 [pid 5860] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5858] <... openat resumed>) = 3 [pid 5856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 293] umount2("./4661", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5860] <... futex resumed>) = 0 [pid 5859] <... symlink resumed>) = 0 [pid 5858] write(3, "1000", 4 [pid 5856] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5860] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] <... write resumed>) = 4 [pid 5857] <... futex resumed>) = 0 [pid 5856] <... futex resumed>) = 1 [pid 293] openat(AT_FDCWD, "./4661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] <... openat resumed>) = 3 [pid 5858] close(3 [pid 5857] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5856] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] umount2("./4774", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... openat resumed>) = 3 [pid 5859] write(3, "1000", 4 [pid 5858] <... close resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(3, "", [pid 5859] <... write resumed>) = 4 [pid 5858] symlink("/dev/binderfs", "./binderfs" [pid 295] openat(AT_FDCWD, "./4774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5859] close(3 [pid 5858] <... symlink resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 293] getdents64(3, [pid 5859] <... close resumed>) = 0 [pid 5858] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(3, "", [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5859] symlink("/dev/binderfs", "./binderfs" [pid 5858] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] umount2("./4661/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] <... symlink resumed>) = 0 [pid 5858] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 295] getdents64(3, [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... rt_sigaction resumed>NULL, 8) = 0 [pid 293] newfstatat(AT_FDCWD, "./4661/cgroup.cpu", [pid 5859] <... futex resumed>) = 0 [pid 5858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] umount2("./4774/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4661/cgroup.cpu" [pid 5859] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] <... mmap resumed>) = 0x7fd4ce11b000 [pid 295] newfstatat(AT_FDCWD, "./4774/cgroup.cpu", [pid 293] umount2("./4661/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5857] <... bpf resumed>) = 5 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... mprotect resumed>) = 0 [pid 5857] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4774/cgroup.cpu" [pid 293] newfstatat(AT_FDCWD, "./4661/binderfs", [pid 5859] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] <... futex resumed>) = 1 [pid 5856] <... futex resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] unlink("./4661/binderfs" [pid 5859] <... mprotect resumed>) = 0 [pid 5858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5857] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] close(3 [pid 295] <... unlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5861 attached [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] umount2("./4661/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5861] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... clone3 resumed> => {parent_tid=[14190]}, 88) = 14190 [pid 5856] <... close resumed>) = 0 [pid 295] umount2("./4774/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5861] <... set_robust_list resumed>) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] close(4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4661/cgroup", ./strace-static-x86_64: Process 5862 attached [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... close resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5862] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... clone3 resumed> => {parent_tid=[14263]}, 88) = 14263 [pid 5858] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] close(5 [pid 295] newfstatat(AT_FDCWD, "./4774/binderfs", [pid 293] unlink("./4661/cgroup" [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... futex resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... bpf resumed>) = 3 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] close(6 [pid 295] unlink("./4774/binderfs" [pid 293] umount2("./4661/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... futex resumed>) = 0 [pid 5858] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] newfstatat(AT_FDCWD, "./4661/cgroup.net", [pid 5859] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... futex resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5862] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5861] <... futex resumed>) = 0 [pid 5858] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] close(7 [pid 295] umount2("./4774/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4661/cgroup.net" [pid 5862] <... bpf resumed>) = 3 [pid 5861] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5858] <... futex resumed>) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 5862] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 293] getdents64(3, [pid 5858] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5862] <... futex resumed>) = 1 [pid 5861] <... bpf resumed>) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5858] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5856] close(8 [pid 295] newfstatat(AT_FDCWD, "./4774/cgroup", [pid 293] close(3 [pid 5862] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... mprotect resumed>) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... close resumed>) = 0 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] close(9 [pid 295] unlink("./4774/cgroup" [pid 293] rmdir("./4661" [pid 5862] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5861] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 5862] <... bpf resumed>) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 293] mkdir("./4662", 0777./strace-static-x86_64: Process 5863 attached [pid 5862] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] close(10 [pid 295] umount2("./4774/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... mkdir resumed>) = 0 [pid 5863] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5862] <... futex resumed>) = 0 [pid 5859] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5858] <... clone3 resumed> => {parent_tid=[14191]}, 88) = 14191 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] close(11 [pid 295] newfstatat(AT_FDCWD, "./4774/cgroup.net", ./strace-static-x86_64: Process 5864 attached [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... mprotect resumed>) = 0 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13750 [pid 5864] set_robust_list(0x5555568776a0, 24 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] close(12 [pid 295] unlink("./4774/cgroup.net" [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5858] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5865 attached [pid 5864] chdir("./4662" [pid 5865] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5859] <... clone3 resumed> => {parent_tid=[14264]}, 88) = 14264 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5863] <... bpf resumed>) = 4 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] close(13 [pid 5864] <... chdir resumed>) = 0 [pid 295] getdents64(3, [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... prctl resumed>) = 0 [pid 5863] <... futex resumed>) = 1 [pid 5859] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] close(14 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5865] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5864] setpgid(0, 0 [pid 5863] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5865] <... bpf resumed>) = 4 [pid 5864] <... setpgid resumed>) = 0 [pid 5859] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] close(3 [pid 5865] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 0 [pid 5864] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5861] <... futex resumed>) = 0 [pid 5859] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = 1 [pid 5856] close(15 [pid 5865] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] <... futex resumed>) = 0 [pid 5861] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5859] <... futex resumed>) = 1 [pid 5858] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] <... close resumed>) = 0 [pid 5864] <... symlink resumed>) = 0 [pid 5862] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5859] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] rmdir("./4774" [pid 5864] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5856] close(16 [pid 295] <... rmdir resumed>) = 0 [pid 5864] <... symlink resumed>) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] mkdir("./4775", 0777 [pid 5864] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5856] close(17) = -1 EBADF (Bad file descriptor) [pid 295] <... mkdir resumed>) = 0 [pid 5864] <... symlink resumed>) = 0 [pid 5856] close(18 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5866 attached [pid 5856] close(19 [pid 5866] set_robust_list(0x5555568776a0, 24 [pid 5864] <... openat resumed>) = 3 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14084 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5866] chdir("./4775" [pid 5864] write(3, "1000", 4 [pid 5856] close(20 [pid 5866] <... chdir resumed>) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... write resumed>) = 4 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... prctl resumed>) = 0 [pid 5864] close(3 [pid 5856] close(21 [pid 5866] setpgid(0, 0) = 0 [pid 5864] <... close resumed>) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5864] symlink("/dev/binderfs", "./binderfs" [pid 5856] close(22 [pid 5866] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5864] <... symlink resumed>) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5864] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] close(23 [pid 5866] <... symlink resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5864] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5856] close(24 [pid 5866] write(3, "1000", 4 [pid 5864] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... write resumed>) = 4 [pid 5864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5856] close(25 [pid 5866] close(3) = 0 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] symlink("/dev/binderfs", "./binderfs" [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] close(26 [pid 5866] <... symlink resumed>) = 0 [pid 5864] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5866] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5864] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] <... mprotect resumed>) = 0 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] close(27 [pid 5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... mprotect resumed>) = 0 [pid 5864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5856] close(28 [pid 5866] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5868 attached ./strace-static-x86_64: Process 5867 attached [pid 5856] close(29 [pid 5868] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5867] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5866] <... clone3 resumed> => {parent_tid=[14085]}, 88) = 14085 [pid 5864] <... clone3 resumed> => {parent_tid=[13751]}, 88) = 13751 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] exit_group(0 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... futex resumed>) = 0 [pid 5864] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = ? [pid 5857] <... futex resumed>) = ? [pid 5856] <... exit_group resumed>) = ? [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] +++ exited with 0 +++ [pid 5868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5864] <... futex resumed>) = 0 [pid 5864] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] +++ exited with 0 +++ [pid 5856] +++ exited with 0 +++ [pid 5867] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5868] <... bpf resumed>) = 3 [pid 5867] <... bpf resumed>) = 3 [pid 5867] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... futex resumed>) = 1 [pid 5867] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5866] <... futex resumed>) = 0 [pid 5864] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 5868] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... bpf resumed>) = 0 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5864] <... futex resumed>) = 0 [pid 5868] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5867] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5864] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... restart_syscall resumed>) = 0 [pid 5866] <... mprotect resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5869 attached [pid 5868] <... bpf resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5862] <... bpf resumed>) = 5 [pid 5861] <... bpf resumed>) = 5 [pid 5869] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5868] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5866] <... clone3 resumed> => {parent_tid=[14086]}, 88) = 14086 [pid 5864] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5868] <... futex resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] <... futex resumed>) = 1 [pid 5861] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... bpf resumed>) = 4 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] close(3 [pid 5858] close(3 [pid 294] umount2("./4725", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5867] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5859] close(4 [pid 5858] close(4 [pid 294] openat(AT_FDCWD, "./4725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5869] <... bpf resumed>) = 4 [pid 5867] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5866] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5869] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... bpf resumed>) = 5 [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... futex resumed>) = 0 [pid 5859] close(5 [pid 5858] close(5 [pid 294] <... openat resumed>) = 3 [pid 5869] <... futex resumed>) = 0 [pid 5867] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5859] <... close resumed>) = 0 [pid 294] newfstatat(3, "", [pid 5869] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5868] <... futex resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5866] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] close(6 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5868] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5867] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5864] close(3 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] getdents64(3, [pid 5864] <... close resumed>) = 0 [pid 5859] close(7 [pid 5864] close(4 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5864] <... close resumed>) = 0 [pid 5859] close(8) = -1 EBADF (Bad file descriptor) [pid 5864] close(5 [pid 5859] close(9 [pid 294] umount2("./4725/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(10 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4725/cgroup.cpu", [pid 5859] close(11) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] close(12) = -1 EBADF (Bad file descriptor) [pid 5859] close(13) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4725/cgroup.cpu" [pid 5859] close(14) = -1 EBADF (Bad file descriptor) [pid 5859] close(15) = -1 EBADF (Bad file descriptor) [pid 5859] close(16) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 5859] close(17) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4725/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] close(18) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] close(19) = -1 EBADF (Bad file descriptor) [pid 5859] close(20) = -1 EBADF (Bad file descriptor) [pid 5859] close(21 [pid 294] newfstatat(AT_FDCWD, "./4725/binderfs", [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] close(22 [pid 294] unlink("./4725/binderfs" [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(23) = -1 EBADF (Bad file descriptor) [pid 5859] close(24) = -1 EBADF (Bad file descriptor) [pid 5859] close(25) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 5859] close(26 [pid 294] umount2("./4725/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(27 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(28 [pid 294] newfstatat(AT_FDCWD, "./4725/cgroup", [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(29 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] exit_group(0 [pid 294] unlink("./4725/cgroup" [pid 5865] <... futex resumed>) = ? [pid 5862] <... futex resumed>) = ? [pid 5859] <... exit_group resumed>) = ? [pid 5865] +++ exited with 0 +++ [pid 5862] +++ exited with 0 +++ [pid 5859] +++ exited with 0 +++ [pid 294] <... unlink resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] umount2("./4725/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4725/cgroup.net", [pid 297] umount2("./4836", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4725/cgroup.net" [pid 297] openat(AT_FDCWD, "./4836", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... unlink resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 294] getdents64(3, [pid 297] newfstatat(3, "", [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] close(3 [pid 297] getdents64(3, [pid 294] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] rmdir("./4725" [pid 297] umount2("./4836/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] <... rmdir resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4836/cgroup.cpu", [pid 294] mkdir("./4726", 0777 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4836/cgroup.cpu" [pid 294] <... mkdir resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] umount2("./4836/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5870 attached ) = -1 EINVAL (Invalid argument) [pid 5870] set_robust_list(0x5555568776a0, 24 [pid 297] newfstatat(AT_FDCWD, "./4836/binderfs", [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13916 [pid 5870] <... set_robust_list resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] chdir("./4726") = 0 [pid 297] unlink("./4836/binderfs" [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 297] <... unlink resumed>) = 0 [pid 5870] <... symlink resumed>) = 0 [pid 297] umount2("./4836/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5870] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... symlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4836/cgroup", [pid 5870] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] unlink("./4836/cgroup" [pid 5870] <... openat resumed>) = 3 [pid 5870] write(3, "1000", 4) = 4 [pid 5870] close(3) = 0 [pid 297] <... unlink resumed>) = 0 [pid 5870] symlink("/dev/binderfs", "./binderfs" [pid 297] umount2("./4836/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5870] <... symlink resumed>) = 0 [pid 5870] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 297] newfstatat(AT_FDCWD, "./4836/cgroup.net", [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] <... mmap resumed>) = 0x7fd4ce11b000 [pid 297] unlink("./4836/cgroup.net" [pid 5870] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... unlink resumed>) = 0 [pid 5870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] getdents64(3, [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5871 attached [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5871] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5870] <... clone3 resumed> => {parent_tid=[13917]}, 88) = 13917 [pid 297] close(3 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... close resumed>) = 0 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] rmdir("./4836" [pid 5871] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... rmdir resumed>) = 0 [pid 5871] <... bpf resumed>) = 3 [pid 297] mkdir("./4837", 0777 [pid 5871] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 5871] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5870] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5870] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 5872 attached [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5873 attached [pid 5872] set_robust_list(0x5555568776a0, 24 [pid 5871] <... bpf resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14265 [pid 5873] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5872] <... set_robust_list resumed>) = 0 [pid 5871] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5872] chdir("./4837" [pid 5870] <... clone3 resumed> => {parent_tid=[13918]}, 88) = 13918 [pid 5871] <... futex resumed>) = 0 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... chdir resumed>) = 0 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] <... prctl resumed>) = 0 [pid 5871] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] setpgid(0, 0 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] <... setpgid resumed>) = 0 [pid 5872] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5870] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... symlink resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5872] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5870] <... futex resumed>) = 1 [pid 5873] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5872] <... symlink resumed>) = 0 [pid 5870] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] <... bpf resumed>) = 4 [pid 5872] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5873] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... symlink resumed>) = 0 [pid 5873] <... futex resumed>) = 1 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... futex resumed>) = 0 [pid 5873] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] <... openat resumed>) = 3 [pid 5870] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] write(3, "1000", 4 [pid 5870] <... futex resumed>) = 1 [pid 5872] <... write resumed>) = 4 [pid 5871] <... futex resumed>) = 0 [pid 5870] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5872] close(3 [pid 5871] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5872] <... close resumed>) = 0 [pid 5872] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5872] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5872] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5858] <... close resumed>) = 0 [pid 5868] <... bpf resumed>) = 5 [pid 5872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5858] close(6./strace-static-x86_64: Process 5874 attached [pid 5868] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5872] <... clone3 resumed> => {parent_tid=[14266]}, 88) = 14266 [pid 5868] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5858] close(7 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] close(3 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... close resumed>) = 0 [pid 5858] close(8 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(4 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... futex resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5858] close(9 [pid 5874] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5872] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] close(5 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... bpf resumed>) = 3 [pid 5858] close(10) = -1 EBADF (Bad file descriptor) [pid 5874] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] close(11 [pid 5874] <... futex resumed>) = 1 [pid 5872] <... futex resumed>) = 0 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] close(12 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5872] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] close(13 [pid 5874] <... bpf resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] close(14 [pid 5874] <... futex resumed>) = 0 [pid 5872] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5858] close(15 [pid 5872] <... mprotect resumed>) = 0 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5858] close(16 [pid 5872] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5858] close(17./strace-static-x86_64: Process 5875 attached ) = -1 EBADF (Bad file descriptor) [pid 5875] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5872] <... clone3 resumed> => {parent_tid=[14267]}, 88) = 14267 [pid 5858] close(18 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] close(19 [pid 5872] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5858] close(20 [pid 5875] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5872] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] close(21) = -1 EBADF (Bad file descriptor) [pid 5858] close(22) = -1 EBADF (Bad file descriptor) [pid 5858] close(23) = -1 EBADF (Bad file descriptor) [pid 5858] close(24) = -1 EBADF (Bad file descriptor) [pid 5858] close(25) = -1 EBADF (Bad file descriptor) [pid 5858] close(26) = -1 EBADF (Bad file descriptor) [pid 5858] close(27) = -1 EBADF (Bad file descriptor) [pid 5858] close(28) = -1 EBADF (Bad file descriptor) [pid 5858] close(29) = -1 EBADF (Bad file descriptor) [pid 5858] exit_group(0 [pid 5875] <... bpf resumed>) = 4 [pid 5863] <... futex resumed>) = ? [pid 5861] <... futex resumed>) = ? [pid 5858] <... exit_group resumed>) = ? [pid 5875] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] +++ exited with 0 +++ [pid 5861] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ [pid 5875] <... futex resumed>) = 1 [pid 5872] <... futex resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 1 [pid 5874] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5872] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] umount2("./4804", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4804/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4804/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4804/cgroup.cpu") = 0 [pid 296] umount2("./4804/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4804/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4804/binderfs") = 0 [pid 296] umount2("./4804/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4804/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4804/cgroup") = 0 [pid 296] umount2("./4804/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4804/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4804/cgroup.net") = 0 [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./4804") = 0 [pid 296] mkdir("./4805", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556877690) = 14192 ./strace-static-x86_64: Process 5876 attached [pid 5876] set_robust_list(0x5555568776a0, 24) = 0 [pid 5876] chdir("./4805") = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5876] setpgid(0, 0) = 0 [pid 5876] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5876] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5876] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5876] write(3, "1000", 4) = 4 [pid 5876] close(3) = 0 [pid 5876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5876] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5876] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5876] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5877 attached [pid 5877] set_robust_list(0x7fd4ce13b9a0, 24) = 0 [pid 5876] <... clone3 resumed> => {parent_tid=[14193]}, 88) = 14193 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5877] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5876] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... bpf resumed>) = 3 [pid 5877] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5876] <... futex resumed>) = 0 [pid 5877] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] <... futex resumed>) = 0 [pid 5877] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5876] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... bpf resumed>) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5877] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5877] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5876] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5878 attached [pid 5878] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 5876] <... clone3 resumed> => {parent_tid=[14194]}, 88) = 14194 [pid 5878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5878] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5876] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5876] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5878] <... futex resumed>) = 0 [pid 5876] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5877] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5876] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5864] <... close resumed>) = 0 [pid 5871] <... bpf resumed>) = 5 [pid 5864] close(6 [pid 5871] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5864] close(7 [pid 5871] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] close(3) = 0 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(4 [pid 5864] close(8 [pid 5870] <... close resumed>) = 0 [pid 5870] close(5 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(9) = -1 EBADF (Bad file descriptor) [pid 5864] close(10) = -1 EBADF (Bad file descriptor) [pid 5864] close(11) = -1 EBADF (Bad file descriptor) [pid 5864] close(12) = -1 EBADF (Bad file descriptor) [pid 5864] close(13) = -1 EBADF (Bad file descriptor) [pid 5864] close(14) = -1 EBADF (Bad file descriptor) [pid 5864] close(15) = -1 EBADF (Bad file descriptor) [pid 5864] close(16) = -1 EBADF (Bad file descriptor) [pid 5864] close(17) = -1 EBADF (Bad file descriptor) [pid 5864] close(18) = -1 EBADF (Bad file descriptor) [pid 5864] close(19) = -1 EBADF (Bad file descriptor) [pid 5864] close(20) = -1 EBADF (Bad file descriptor) [pid 5864] close(21) = -1 EBADF (Bad file descriptor) [pid 5864] close(22) = -1 EBADF (Bad file descriptor) [pid 5864] close(23) = -1 EBADF (Bad file descriptor) [pid 5864] close(24) = -1 EBADF (Bad file descriptor) [pid 5864] close(25) = -1 EBADF (Bad file descriptor) [pid 5864] close(26) = -1 EBADF (Bad file descriptor) [pid 5864] close(27) = -1 EBADF (Bad file descriptor) [pid 5864] close(28) = -1 EBADF (Bad file descriptor) [pid 5864] close(29) = -1 EBADF (Bad file descriptor) [pid 5864] exit_group(0) = ? [pid 5867] <... futex resumed>) = ? [pid 5867] +++ exited with 0 +++ [pid 5864] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 293] umount2("./4662", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4662/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4662/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4662/cgroup.cpu") = 0 [pid 293] umount2("./4662/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4662/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4662/binderfs") = 0 [pid 293] umount2("./4662/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4662/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4662/cgroup") = 0 [pid 293] umount2("./4662/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4662/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4662/cgroup.net") = 0 [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [pid 293] rmdir("./4662") = 0 [pid 293] mkdir("./4663", 0777) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5879 attached [pid 5879] set_robust_list(0x5555568776a0, 24 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13752 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5879] chdir("./4663") = 0 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5879] setpgid(0, 0) = 0 [pid 5879] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5879] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5879] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "1000", 4) = 4 [pid 5879] close(3) = 0 [pid 5879] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5879] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5879] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5879] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5879] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5880 attached [pid 5880] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5879] <... clone3 resumed> => {parent_tid=[13753]}, 88) = 13753 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5879] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5879] <... futex resumed>) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5880] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5880] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] <... futex resumed>) = 0 [pid 5879] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5880] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5879] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5880] <... bpf resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5880] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5881 attached [pid 5880] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5881] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] <... clone3 resumed> => {parent_tid=[13754]}, 88) = 13754 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5879] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 1 [pid 5881] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5879] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... bpf resumed>) = 4 [pid 5881] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5881] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] <... futex resumed>) = 0 [pid 5879] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 1 [pid 5879] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5874] <... bpf resumed>) = 5 [pid 5866] <... close resumed>) = 0 [pid 5880] <... bpf resumed>) = 5 [pid 5877] <... bpf resumed>) = 5 [pid 5870] <... close resumed>) = 0 [pid 5880] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] close(6 [pid 5866] close(6 [pid 5880] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 1 [pid 5876] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = 1 [pid 5872] <... futex resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] close(3 [pid 5877] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] close(3 [pid 5874] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] close(3 [pid 5870] close(7 [pid 5866] close(7 [pid 5879] <... close resumed>) = 0 [pid 5876] <... close resumed>) = 0 [pid 5872] <... close resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(4 [pid 5876] close(4 [pid 5872] close(4 [pid 5870] close(8 [pid 5866] close(8 [pid 5879] <... close resumed>) = 0 [pid 5876] <... close resumed>) = 0 [pid 5872] <... close resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(5 [pid 5876] close(5 [pid 5872] close(5 [pid 5870] close(9 [pid 5866] close(9 [pid 5879] <... close resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(6 [pid 5870] close(10 [pid 5866] close(10 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(7 [pid 5870] close(11 [pid 5866] close(11 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(8 [pid 5870] close(12 [pid 5866] close(12 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(9 [pid 5870] close(13 [pid 5866] close(13 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(10 [pid 5870] close(14 [pid 5866] close(14 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(11 [pid 5870] close(15 [pid 5866] close(15 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(12 [pid 5870] close(16 [pid 5866] close(16 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(13 [pid 5870] close(17 [pid 5866] close(17 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(14 [pid 5870] close(18 [pid 5866] close(18 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(15 [pid 5870] close(19 [pid 5866] close(19 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(16 [pid 5870] close(20 [pid 5866] close(20 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(17 [pid 5870] close(21 [pid 5866] close(21 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(18 [pid 5870] close(22 [pid 5866] close(22 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(19 [pid 5870] close(23 [pid 5866] close(23 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(20 [pid 5870] close(24 [pid 5866] close(24 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(21 [pid 5870] close(25 [pid 5866] close(25 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(22 [pid 5870] close(26 [pid 5866] close(26 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(23 [pid 5870] close(27 [pid 5866] close(27 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(24 [pid 5870] close(28 [pid 5866] close(28 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(25 [pid 5870] close(29 [pid 5866] close(29 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(26 [pid 5870] exit_group(0 [pid 5866] exit_group(0 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] <... futex resumed>) = ? [pid 5871] <... futex resumed>) = ? [pid 5870] <... exit_group resumed>) = ? [pid 5869] <... futex resumed>) = ? [pid 5868] <... futex resumed>) = ? [pid 5866] <... exit_group resumed>) = ? [pid 5879] close(27 [pid 5873] +++ exited with 0 +++ [pid 5871] +++ exited with 0 +++ [pid 5870] +++ exited with 0 +++ [pid 5869] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5866] +++ exited with 0 +++ [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5879] close(28 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(29) = -1 EBADF (Bad file descriptor) [pid 5879] exit_group(0 [pid 5880] <... futex resumed>) = ? [pid 5879] <... exit_group resumed>) = ? [pid 295] umount2("./4775", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5881] <... futex resumed>) = ? [pid 5880] +++ exited with 0 +++ [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] +++ exited with 0 +++ [pid 5879] +++ exited with 0 +++ [pid 294] umount2("./4726", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] openat(AT_FDCWD, "./4775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 294] openat(AT_FDCWD, "./4726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... openat resumed>) = 3 [pid 295] getdents64(3, [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 294] newfstatat(3, "", [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] umount2("./4775/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] newfstatat(AT_FDCWD, "./4775/cgroup.cpu", [pid 294] umount2("./4726/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... restart_syscall resumed>) = 0 [pid 295] unlink("./4775/cgroup.cpu" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4726/cgroup.cpu", [pid 295] umount2("./4775/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4663", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4775/binderfs", [pid 294] unlink("./4726/cgroup.cpu" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4775/binderfs" [pid 294] <... unlink resumed>) = 0 [pid 293] openat(AT_FDCWD, "./4663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... unlink resumed>) = 0 [pid 294] umount2("./4726/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4775/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(3, "", [pid 295] newfstatat(AT_FDCWD, "./4775/cgroup", [pid 294] newfstatat(AT_FDCWD, "./4726/binderfs", [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4775/cgroup" [pid 294] unlink("./4726/binderfs" [pid 293] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 295] umount2("./4775/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4726/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4775/cgroup.net", [pid 293] umount2("./4663/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4726/cgroup", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4775/cgroup.net" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4663/cgroup.cpu", [pid 295] <... unlink resumed>) = 0 [pid 294] unlink("./4726/cgroup" [pid 295] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... unlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] umount2("./4726/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4663/cgroup.cpu" [pid 295] close(3 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4726/cgroup.net", [pid 293] <... unlink resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] rmdir("./4775" [pid 294] unlink("./4726/cgroup.net" [pid 293] umount2("./4663/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./4776", 0777 [pid 294] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... mkdir resumed>) = 0 [pid 294] getdents64(3, [pid 293] newfstatat(AT_FDCWD, "./4663/binderfs", [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5882 attached [pid 294] close(3 [pid 293] unlink("./4663/binderfs" [pid 5882] set_robust_list(0x5555568776a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14087 [pid 294] <... close resumed>) = 0 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5882] chdir("./4776") = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... unlink resumed>) = 0 [pid 294] rmdir("./4726" [pid 5882] <... prctl resumed>) = 0 [pid 293] umount2("./4663/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5882] setpgid(0, 0) = 0 [pid 5882] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 294] <... rmdir resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5882] <... symlink resumed>) = 0 [pid 5882] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 294] mkdir("./4727", 0777 [pid 293] newfstatat(AT_FDCWD, "./4663/cgroup", [pid 5882] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] <... mkdir resumed>) = 0 [pid 5882] <... openat resumed>) = 3 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5882] write(3, "1000", 4) = 4 [pid 5882] close(3) = 0 [pid 5882] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5882] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5883 attached ) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13919 [pid 293] unlink("./4663/cgroup" [pid 5882] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5883] set_robust_list(0x5555568776a0, 24 [pid 5882] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5883] <... set_robust_list resumed>) = 0 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] chdir("./4727" [pid 5882] <... mmap resumed>) = 0x7fd4ce11b000 [pid 293] umount2("./4663/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... chdir resumed>) = 0 [pid 5882] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] <... mprotect resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] <... prctl resumed>) = 0 [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5883] setpgid(0, 0 [pid 5882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 293] newfstatat(AT_FDCWD, "./4663/cgroup.net", ./strace-static-x86_64: Process 5884 attached [pid 5883] <... setpgid resumed>) = 0 [pid 5884] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5882] <... clone3 resumed> => {parent_tid=[14088]}, 88) = 14088 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5883] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 293] unlink("./4663/cgroup.net" [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] <... symlink resumed>) = 0 [pid 5882] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... unlink resumed>) = 0 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 293] getdents64(3, [pid 5884] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5883] <... symlink resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5884] <... bpf resumed>) = 3 [pid 5884] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] close(3 [pid 5884] <... futex resumed>) = 1 [pid 5883] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5882] <... futex resumed>) = 0 [pid 5884] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... close resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5882] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] <... symlink resumed>) = 0 [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5876] <... close resumed>) = 0 [pid 5872] <... close resumed>) = 0 [pid 293] rmdir("./4663" [pid 5884] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5883] <... openat resumed>) = 3 [pid 5882] <... mprotect resumed>) = 0 [pid 5876] close(6 [pid 5872] close(6 [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5872] close(7 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... rmdir resumed>) = 0 [pid 5882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5885 attached [pid 5884] <... bpf resumed>) = 0 [pid 5883] write(3, "1000", 4 [pid 5876] close(7 [pid 5872] close(8 [pid 293] mkdir("./4664", 0777 [pid 5885] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5884] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... write resumed>) = 4 [pid 5882] <... clone3 resumed> => {parent_tid=[14089]}, 88) = 14089 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5885] <... set_robust_list resumed>) = 0 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] close(9 [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] close(10 [pid 5885] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5882] <... futex resumed>) = 0 [pid 5876] close(8 [pid 5883] close(3 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5884] <... futex resumed>) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 5885] <... bpf resumed>) = 4 [pid 5884] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] <... close resumed>) = 0 [pid 5882] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(11 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5885] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] symlink("/dev/binderfs", "./binderfs" [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] close(9 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5885] <... futex resumed>) = 0 [pid 5882] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] close(12 [pid 5885] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 1 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5882] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5872] close(13./strace-static-x86_64: Process 5886 attached [pid 5883] <... symlink resumed>) = 0 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] set_robust_list(0x5555568776a0, 24 [pid 5883] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] close(10 [pid 5872] close(14 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13755 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] chdir("./4664" [pid 5876] close(11 [pid 5872] close(15 [pid 5883] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5886] <... chdir resumed>) = 0 [pid 5883] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] close(16 [pid 5886] <... prctl resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] setpgid(0, 0 [pid 5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5876] close(12 [pid 5872] close(17 [pid 5886] <... setpgid resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5876] close(13 [pid 5872] close(18 [pid 5886] <... symlink resumed>) = 0 [pid 5883] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5883] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5876] close(14 [pid 5872] close(19 [pid 5886] <... symlink resumed>) = 0 [pid 5883] <... mprotect resumed>) = 0 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5872] close(20 [pid 5886] <... symlink resumed>) = 0 [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5876] close(15 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(21 [pid 5886] <... openat resumed>) = 3 [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5876] close(16 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] write(3, "1000", 4 [pid 5872] close(22 [pid 5886] <... write resumed>) = 4 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5887 attached [pid 5886] close(3 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(23 [pid 5887] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5886] <... close resumed>) = 0 [pid 5883] <... clone3 resumed> => {parent_tid=[13920]}, 88) = 13920 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] close(17 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5886] symlink("/dev/binderfs", "./binderfs" [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(24 [pid 5887] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] <... symlink resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] close(18 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(25 [pid 5887] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5886] <... futex resumed>) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5876] close(19 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... bpf resumed>) = 3 [pid 5886] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5883] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(26 [pid 5887] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] close(20 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... futex resumed>) = 0 [pid 5886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5883] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(27 [pid 5887] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5876] close(21 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... bpf resumed>) = 0 [pid 5886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] close(28 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5883] <... futex resumed>) = 0 [pid 5876] close(22 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... futex resumed>) = 0 [pid 5886] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(29 [pid 5887] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] <... mprotect resumed>) = 0 [pid 5883] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5876] close(23 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5872] exit_group(0 [pid 5886] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... futex resumed>) = ? [pid 5874] <... futex resumed>) = ? [pid 5872] <... exit_group resumed>) = ? [pid 5886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5883] <... mprotect resumed>) = 0 [pid 5876] close(24 [pid 5875] +++ exited with 0 +++ [pid 5874] +++ exited with 0 +++ [pid 5872] +++ exited with 0 +++ ./strace-static-x86_64: Process 5888 attached [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5886] <... clone3 resumed> => {parent_tid=[13756]}, 88) = 13756 [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5876] close(25 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5888] <... set_robust_list resumed>) = 0 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5889 attached [pid 5886] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] close(26 [pid 5889] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... futex resumed>) = 0 [pid 5883] <... clone3 resumed> => {parent_tid=[13921]}, 88) = 13921 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5886] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] close(27 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... restart_syscall resumed>) = 0 [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] <... bpf resumed>) = 3 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] close(28 [pid 5888] <... futex resumed>) = 1 [pid 5886] <... futex resumed>) = 0 [pid 5883] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5886] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] <... futex resumed>) = 0 [pid 5886] <... futex resumed>) = 0 [pid 5883] <... futex resumed>) = 1 [pid 5889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5888] <... bpf resumed>) = 0 [pid 5886] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... bpf resumed>) = 4 [pid 5886] <... futex resumed>) = 0 [pid 5883] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] close(29 [pid 297] umount2("./4837", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5888] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5889] <... futex resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5886] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5883] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] exit_group(0 [pid 297] openat(AT_FDCWD, "./4837", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5889] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5887] <... futex resumed>) = 0 [pid 5886] <... mprotect resumed>) = 0 [pid 5883] <... futex resumed>) = 1 [pid 5878] <... futex resumed>) = ? [pid 5877] <... futex resumed>) = ? [pid 5876] <... exit_group resumed>) = ? [pid 297] <... openat resumed>) = 3 [pid 5887] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5886] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5883] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5878] +++ exited with 0 +++ [pid 5877] +++ exited with 0 +++ [pid 5886] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} => {parent_tid=[13757]}, 88) = 13757 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5886] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5890 attached [pid 5876] +++ exited with 0 +++ [pid 297] newfstatat(3, "", [pid 5890] set_robust_list(0x7fd4ce11a9a0, 24 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5890] <... set_robust_list resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 297] getdents64(3, [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] umount2("./4837/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5890] <... bpf resumed>) = 4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5890] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] newfstatat(AT_FDCWD, "./4837/cgroup.cpu", [pid 296] <... restart_syscall resumed>) = 0 [pid 5890] <... futex resumed>) = 1 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5890] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] unlink("./4837/cgroup.cpu" [pid 5886] <... futex resumed>) = 0 [pid 5886] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5886] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... unlink resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 297] umount2("./4837/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5888] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 296] umount2("./4805", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4837/binderfs", [pid 296] openat(AT_FDCWD, "./4805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... openat resumed>) = 3 [pid 297] unlink("./4837/binderfs" [pid 296] newfstatat(3, "", [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4837/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 297] newfstatat(AT_FDCWD, "./4837/cgroup", [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4805/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4837/cgroup" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4805/cgroup.cpu", [pid 297] umount2("./4837/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./4805/cgroup.cpu" [pid 297] newfstatat(AT_FDCWD, "./4837/cgroup.net", [pid 296] <... unlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4805/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4837/cgroup.net" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./4805/binderfs", [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... close resumed>) = 0 [pid 296] unlink("./4805/binderfs" [pid 5888] <... bpf resumed>) = 5 [pid 5887] <... bpf resumed>) = 5 [pid 5884] <... bpf resumed>) = 5 [pid 297] rmdir("./4837" [pid 5887] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... unlink resumed>) = 0 [pid 5888] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 1 [pid 5882] <... futex resumed>) = 0 [pid 5887] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] close(3 [pid 5888] <... futex resumed>) = 1 [pid 5886] <... futex resumed>) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5882] <... close resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 296] umount2("./4805/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5888] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] close(3 [pid 5883] close(3 [pid 5882] close(4 [pid 297] mkdir("./4838", 0777 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5886] <... close resumed>) = 0 [pid 5883] <... close resumed>) = 0 [pid 5882] <... close resumed>) = 0 [pid 5882] close(5) = 0 [pid 5882] close(6 [pid 297] <... mkdir resumed>) = 0 [pid 5886] close(4 [pid 5883] close(4 [pid 5886] <... close resumed>) = 0 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] newfstatat(AT_FDCWD, "./4805/cgroup", [pid 5883] <... close resumed>) = 0 [pid 5886] close(5 [pid 5882] close(7) = -1 EBADF (Bad file descriptor) [pid 5882] close(8) = -1 EBADF (Bad file descriptor) [pid 5882] close(9) = -1 EBADF (Bad file descriptor) [pid 5882] close(10) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5891 attached [pid 5882] close(11 [pid 5891] set_robust_list(0x5555568776a0, 24 [pid 5883] close(5 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5882] close(12 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14268 [pid 296] unlink("./4805/cgroup" [pid 5891] chdir("./4838" [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... chdir resumed>) = 0 [pid 5882] close(13 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 5891] <... prctl resumed>) = 0 [pid 5882] close(14 [pid 296] umount2("./4805/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5891] setpgid(0, 0 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5891] <... setpgid resumed>) = 0 [pid 5882] close(15 [pid 5891] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(AT_FDCWD, "./4805/cgroup.net", [pid 5891] <... symlink resumed>) = 0 [pid 5882] close(16 [pid 5891] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... symlink resumed>) = 0 [pid 5882] close(17 [pid 5891] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... symlink resumed>) = 0 [pid 5882] close(18 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4805/cgroup.net" [pid 5891] <... openat resumed>) = 3 [pid 5882] close(19 [pid 5891] write(3, "1000", 4 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... write resumed>) = 4 [pid 5882] close(20 [pid 296] <... unlink resumed>) = 0 [pid 5891] close(3 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] getdents64(3, [pid 5891] <... close resumed>) = 0 [pid 5882] close(21 [pid 5891] symlink("/dev/binderfs", "./binderfs" [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... symlink resumed>) = 0 [pid 5882] close(22 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5891] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] close(3 [pid 5891] <... futex resumed>) = 0 [pid 5882] close(23 [pid 5891] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5882] close(24 [pid 296] <... close resumed>) = 0 [pid 5891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] rmdir("./4805" [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] close(25 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5882] close(26 [pid 5891] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... mprotect resumed>) = 0 [pid 5882] close(27 [pid 296] <... rmdir resumed>) = 0 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] mkdir("./4806", 0777 [pid 5891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5882] close(28 [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(29 [pid 5891] <... clone3 resumed> => {parent_tid=[14269]}, 88) = 14269 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] exit_group(0 [pid 296] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5892 attached [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] <... futex resumed>) = ? [pid 5884] <... futex resumed>) = ? [pid 5882] <... exit_group resumed>) = ? [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5892] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5891] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] +++ exited with 0 +++ [pid 5884] +++ exited with 0 +++ [pid 5882] +++ exited with 0 +++ [pid 5891] <... futex resumed>) = 0 [pid 5891] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5893 attached [pid 5892] <... set_robust_list resumed>) = 0 [pid 5893] set_robust_list(0x5555568776a0, 24 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14195 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5893] <... set_robust_list resumed>) = 0 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] chdir("./4806") = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5892] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5893] <... prctl resumed>) = 0 [pid 5893] setpgid(0, 0 [pid 5892] <... bpf resumed>) = 3 [pid 295] umount2("./4776", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5893] <... setpgid resumed>) = 0 [pid 5893] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5892] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5893] <... symlink resumed>) = 0 [pid 5893] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5892] <... futex resumed>) = 1 [pid 5891] <... futex resumed>) = 0 [pid 295] openat(AT_FDCWD, "./4776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5893] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5892] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... symlink resumed>) = 0 [pid 5892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] <... futex resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... openat resumed>) = 3 [pid 5892] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5891] <... futex resumed>) = 0 [pid 295] newfstatat(3, "", [pid 5893] write(3, "1000", 4 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5893] <... write resumed>) = 4 [pid 5891] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5893] close(3 [pid 5891] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5893] <... close resumed>) = 0 [pid 5892] <... bpf resumed>) = 0 [pid 5891] <... mprotect resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5893] symlink("/dev/binderfs", "./binderfs" [pid 5892] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] getdents64(3, [pid 5893] <... symlink resumed>) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5893] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5894 attached [pid 5893] <... futex resumed>) = 0 [pid 295] umount2("./4776/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5894] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5893] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5891] <... clone3 resumed> => {parent_tid=[14270]}, 88) = 14270 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 295] newfstatat(AT_FDCWD, "./4776/cgroup.cpu", [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5894] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 295] unlink("./4776/cgroup.cpu" [pid 5893] <... mprotect resumed>) = 0 [pid 5891] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5891] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5891] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... unlink resumed>) = 0 [pid 5894] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] umount2("./4776/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5895 attached [pid 5895] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5893] <... clone3 resumed> => {parent_tid=[14196]}, 88) = 14196 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5894] <... bpf resumed>) = 4 [pid 5893] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] <... bpf resumed>) = 3 [pid 5894] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = 1 [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] <... futex resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4776/binderfs", [pid 5895] <... futex resumed>) = 0 [pid 5894] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5893] <... futex resumed>) = 0 [pid 5891] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5895] <... bpf resumed>) = 0 [pid 5893] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 1 [pid 295] unlink("./4776/binderfs" [pid 5895] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... futex resumed>) = 0 [pid 5892] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5891] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5895] <... futex resumed>) = 0 [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5895] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] <... unlink resumed>) = 0 [pid 5893] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 295] umount2("./4776/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] newfstatat(AT_FDCWD, "./4776/cgroup", ./strace-static-x86_64: Process 5896 attached [pid 5893] <... clone3 resumed> => {parent_tid=[14197]}, 88) = 14197 [pid 5896] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5896] <... set_robust_list resumed>) = 0 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] unlink("./4776/cgroup" [pid 5896] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] umount2("./4776/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5896] <... bpf resumed>) = 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5896] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4776/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5896] <... futex resumed>) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5896] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4776/cgroup.net" [pid 5895] <... futex resumed>) = 0 [pid 5893] <... futex resumed>) = 1 [pid 5895] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5893] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4776") = 0 [pid 295] mkdir("./4777", 0777) = 0 [pid 5886] <... close resumed>) = 0 [pid 5883] <... close resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5886] close(6 [pid 5883] close(6) = -1 EBADF (Bad file descriptor) [pid 5883] close(7) = -1 EBADF (Bad file descriptor) [pid 5883] close(8) = -1 EBADF (Bad file descriptor) [pid 5883] close(9) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5897 attached [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(10 [pid 5897] set_robust_list(0x5555568776a0, 24 [pid 5886] close(7 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14090 [pid 5897] <... set_robust_list resumed>) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(11 [pid 5897] chdir("./4777" [pid 5886] close(8 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... chdir resumed>) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(12 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5886] close(9 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... prctl resumed>) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(13 [pid 5897] setpgid(0, 0 [pid 5886] close(10 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... setpgid resumed>) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(14 [pid 5897] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... symlink resumed>) = 0 [pid 5886] close(11 [pid 5883] close(15 [pid 5897] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... symlink resumed>) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(16 [pid 5897] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... symlink resumed>) = 0 [pid 5886] close(12 [pid 5883] close(17 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... openat resumed>) = 3 [pid 5886] close(13 [pid 5883] close(18 [pid 5897] write(3, "1000", 4 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... write resumed>) = 4 [pid 5886] close(14 [pid 5883] close(19 [pid 5897] close(3 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... close resumed>) = 0 [pid 5883] close(20 [pid 5897] symlink("/dev/binderfs", "./binderfs" [pid 5886] close(15 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... symlink resumed>) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(21 [pid 5897] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] close(16 [pid 5897] <... futex resumed>) = 0 [pid 5883] close(22 [pid 5897] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5886] close(17 [pid 5883] close(23 [pid 5897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(24 [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5886] close(18 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(25 [pid 5897] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5886] close(19 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... mprotect resumed>) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(26 [pid 5897] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5886] close(20 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] close(27 [pid 5897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5898 attached [pid 5886] close(21 [pid 5883] close(28 [pid 5898] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5897] <... clone3 resumed> => {parent_tid=[14091]}, 88) = 14091 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... set_robust_list resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] close(22 [pid 5883] close(29 [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] close(23 [pid 5883] exit_group(0 [pid 5898] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5897] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = ? [pid 5887] <... futex resumed>) = ? [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... exit_group resumed>) = ? [pid 5898] <... bpf resumed>) = 3 [pid 5897] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] +++ exited with 0 +++ [pid 5887] +++ exited with 0 +++ [pid 5886] close(24 [pid 5883] +++ exited with 0 +++ [pid 5898] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... futex resumed>) = 0 [pid 5897] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] close(25 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5898] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5897] <... futex resumed>) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4727", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5897] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5897] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "./4727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5898] <... bpf resumed>) = 0 [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5886] close(26 [pid 294] <... openat resumed>) = 3 [pid 5898] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(3, "", [pid 5898] <... futex resumed>) = 0 [pid 5897] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5886] close(27 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5898] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] <... mprotect resumed>) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] getdents64(3, [pid 5897] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5886] close(28 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5897] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4727/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5886] close(29 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5899 attached [pid 5886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4727/cgroup.cpu", [pid 5899] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5897] <... clone3 resumed> => {parent_tid=[14092]}, 88) = 14092 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5886] exit_group(0 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 294] unlink("./4727/cgroup.cpu" [pid 5899] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5890] <... futex resumed>) = ? [pid 5888] <... futex resumed>) = ? [pid 5886] <... exit_group resumed>) = ? [pid 294] <... unlink resumed>) = 0 [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] +++ exited with 0 +++ [pid 5888] +++ exited with 0 +++ [pid 294] umount2("./4727/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5897] <... futex resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5897] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] newfstatat(AT_FDCWD, "./4727/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4727/binderfs" [pid 5899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5886] +++ exited with 0 +++ [pid 294] <... unlink resumed>) = 0 [pid 294] umount2("./4727/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4727/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4727/cgroup") = 0 [pid 5899] <... bpf resumed>) = 4 [pid 294] umount2("./4727/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5899] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5899] <... futex resumed>) = 1 [pid 5897] <... futex resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4727/cgroup.net", [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5899] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5898] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 1 [pid 294] unlink("./4727/cgroup.net" [pid 293] <... restart_syscall resumed>) = 0 [pid 5898] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5897] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] <... unlink resumed>) = 0 [pid 294] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [pid 294] rmdir("./4727") = 0 [pid 293] umount2("./4664", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] mkdir("./4728", 0777) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] openat(AT_FDCWD, "./4664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13922 ./strace-static-x86_64: Process 5900 attached [pid 293] <... openat resumed>) = 3 [pid 5900] set_robust_list(0x5555568776a0, 24 [pid 293] newfstatat(3, "", [pid 5900] <... set_robust_list resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5900] chdir("./4728" [pid 293] getdents64(3, [pid 5900] <... chdir resumed>) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5900] <... prctl resumed>) = 0 [pid 293] umount2("./4664/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5900] setpgid(0, 0) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5900] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 293] newfstatat(AT_FDCWD, "./4664/cgroup.cpu", [pid 5900] <... symlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 293] unlink("./4664/cgroup.cpu" [pid 5900] <... symlink resumed>) = 0 [pid 5900] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 293] <... unlink resumed>) = 0 [pid 5900] <... symlink resumed>) = 0 [pid 293] umount2("./4664/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5900] <... openat resumed>) = 3 [pid 293] newfstatat(AT_FDCWD, "./4664/binderfs", [pid 5900] write(3, "1000", 4 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] <... write resumed>) = 4 [pid 293] unlink("./4664/binderfs" [pid 5900] close(3 [pid 293] <... unlink resumed>) = 0 [pid 5900] <... close resumed>) = 0 [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 293] umount2("./4664/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5900] <... symlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5900] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] newfstatat(AT_FDCWD, "./4664/cgroup", [pid 5900] <... futex resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 293] unlink("./4664/cgroup" [pid 5900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 293] umount2("./4664/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5900] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5900] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5900] <... mprotect resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4664/cgroup.net", [pid 5900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] unlink("./4664/cgroup.net" [pid 5900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5901 attached [pid 293] getdents64(3, [pid 5901] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5900] <... clone3 resumed> => {parent_tid=[13923]}, 88) = 13923 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5898] <... bpf resumed>) = 5 [pid 5895] <... bpf resumed>) = 5 [pid 5892] <... bpf resumed>) = 5 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] close(3 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] <... futex resumed>) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5895] <... futex resumed>) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5892] <... futex resumed>) = 1 [pid 5891] <... futex resumed>) = 0 [pid 293] <... close resumed>) = 0 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] close(3 [pid 5895] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] close(3 [pid 5892] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] close(3 [pid 293] rmdir("./4664" [pid 5901] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5900] <... futex resumed>) = 0 [pid 5897] <... close resumed>) = 0 [pid 5893] <... close resumed>) = 0 [pid 5891] <... close resumed>) = 0 [pid 5901] <... bpf resumed>) = 3 [pid 5900] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] close(4 [pid 5893] close(4 [pid 5891] close(4 [pid 293] <... rmdir resumed>) = 0 [pid 5901] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] <... close resumed>) = 0 [pid 5893] <... close resumed>) = 0 [pid 5891] <... close resumed>) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5900] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] close(5 [pid 5893] close(5 [pid 5891] close(5 [pid 293] mkdir("./4665", 0777 [pid 5901] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5900] <... futex resumed>) = 0 [pid 5897] <... close resumed>) = 0 [pid 5893] <... close resumed>) = 0 [pid 5891] <... close resumed>) = 0 [pid 5901] <... bpf resumed>) = 0 [pid 5897] close(6 [pid 5893] close(6 [pid 5891] close(6 [pid 5901] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... mkdir resumed>) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5897] close(7 [pid 5893] close(7 [pid 5891] close(7 [pid 5901] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5900] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5901] <... bpf resumed>) = 4 [pid 5897] close(8 [pid 5893] close(8 [pid 5891] close(8 [pid 5901] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... futex resumed>) = 1 [pid 5897] close(9 [pid 5893] close(9 [pid 5891] close(9 [pid 5901] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5902 attached [pid 5900] <... futex resumed>) = 0 [pid 5897] close(10 [pid 5893] close(10 [pid 5891] close(10 [pid 5902] set_robust_list(0x5555568776a0, 24 [pid 5900] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13758 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = 1 [pid 5897] close(11 [pid 5893] close(11 [pid 5891] close(11 [pid 5902] chdir("./4665" [pid 5901] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5900] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... chdir resumed>) = 0 [pid 5897] close(12 [pid 5893] close(12 [pid 5891] close(12 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... prctl resumed>) = 0 [pid 5897] close(13 [pid 5893] close(13 [pid 5891] close(13 [pid 5902] setpgid(0, 0 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... setpgid resumed>) = 0 [pid 5897] close(14 [pid 5893] close(14 [pid 5891] close(14 [pid 5902] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... symlink resumed>) = 0 [pid 5897] close(15 [pid 5893] close(15 [pid 5891] close(15 [pid 5902] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... symlink resumed>) = 0 [pid 5897] close(16 [pid 5893] close(16 [pid 5891] close(16 [pid 5902] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... symlink resumed>) = 0 [pid 5897] close(17 [pid 5893] close(17 [pid 5891] close(17 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... openat resumed>) = 3 [pid 5897] close(18 [pid 5893] close(18 [pid 5891] close(18 [pid 5902] write(3, "1000", 4 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... write resumed>) = 4 [pid 5897] close(19 [pid 5893] close(19 [pid 5891] close(19 [pid 5902] close(3 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... close resumed>) = 0 [pid 5897] close(20 [pid 5893] close(20 [pid 5891] close(20 [pid 5902] symlink("/dev/binderfs", "./binderfs" [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... symlink resumed>) = 0 [pid 5897] close(21 [pid 5893] close(21 [pid 5891] close(21 [pid 5902] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... futex resumed>) = 0 [pid 5897] close(22 [pid 5893] close(22 [pid 5891] close(22 [pid 5902] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5897] close(23 [pid 5893] close(23 [pid 5891] close(23 [pid 5902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] close(24 [pid 5893] close(24 [pid 5891] close(24 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5897] close(25 [pid 5893] close(25 [pid 5891] close(25 [pid 5902] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... mprotect resumed>) = 0 [pid 5897] close(26 [pid 5893] close(26 [pid 5891] close(26 [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5897] close(27 [pid 5893] close(27 [pid 5891] close(27 [pid 5902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5903 attached [pid 5897] close(28 [pid 5893] close(28 [pid 5891] close(28 [pid 5903] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5902] <... clone3 resumed> => {parent_tid=[13759]}, 88) = 13759 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5903] <... set_robust_list resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] close(29 [pid 5893] close(29 [pid 5891] close(29 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] exit_group(0 [pid 5893] exit_group(0 [pid 5891] exit_group(0 [pid 5903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5902] <... futex resumed>) = 0 [pid 5899] <... futex resumed>) = ? [pid 5898] <... futex resumed>) = ? [pid 5897] <... exit_group resumed>) = ? [pid 5896] <... futex resumed>) = ? [pid 5895] <... futex resumed>) = ? [pid 5894] <... futex resumed>) = ? [pid 5893] <... exit_group resumed>) = ? [pid 5892] <... futex resumed>) = ? [pid 5891] <... exit_group resumed>) = ? [pid 5903] <... bpf resumed>) = 3 [pid 5902] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] +++ exited with 0 +++ [pid 5898] +++ exited with 0 +++ [pid 5897] +++ exited with 0 +++ [pid 5896] +++ exited with 0 +++ [pid 5895] +++ exited with 0 +++ [pid 5894] +++ exited with 0 +++ [pid 5893] +++ exited with 0 +++ [pid 5892] +++ exited with 0 +++ [pid 5891] +++ exited with 0 +++ [pid 5903] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5903] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5902] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4838", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5902] <... futex resumed>) = 0 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5902] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5903] <... bpf resumed>) = 0 [pid 5902] <... mprotect resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] openat(AT_FDCWD, "./4838", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] umount2("./4806", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5903] <... futex resumed>) = 0 [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5903] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4777", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5904 attached [pid 297] newfstatat(3, "", [pid 296] openat(AT_FDCWD, "./4806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] <... clone3 resumed> => {parent_tid=[13760]}, 88) = 13760 [pid 5904] set_robust_list(0x7fd4ce11a9a0, 24 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 297] getdents64(3, [pid 296] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "./4777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] newfstatat(3, "", [pid 295] <... openat resumed>) = 3 [pid 5904] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5902] <... futex resumed>) = 0 [pid 297] umount2("./4838/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] newfstatat(3, "", [pid 5902] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... bpf resumed>) = 4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5904] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] newfstatat(AT_FDCWD, "./4838/cgroup.cpu", [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5904] <... futex resumed>) = 1 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 5904] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] <... futex resumed>) = 0 [pid 297] unlink("./4838/cgroup.cpu" [pid 296] umount2("./4806/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5902] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5903] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 297] umount2("./4838/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4806/cgroup.cpu", [pid 5903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5902] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4777/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./4838/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./4806/cgroup.cpu" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4777/cgroup.cpu", [pid 296] <... unlink resumed>) = 0 [pid 297] unlink("./4838/binderfs" [pid 296] umount2("./4806/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] unlink("./4777/cgroup.cpu" [pid 297] umount2("./4838/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4806/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4777/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./4838/cgroup", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4806/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4838/cgroup" [pid 296] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4777/binderfs", [pid 297] <... unlink resumed>) = 0 [pid 296] umount2("./4806/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] umount2("./4838/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4777/binderfs" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4806/cgroup", [pid 295] <... unlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4838/cgroup.net", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4777/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4838/cgroup.net" [pid 296] unlink("./4806/cgroup" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4777/cgroup", [pid 297] getdents64(3, [pid 296] umount2("./4806/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4777/cgroup" [pid 297] close(3 [pid 296] newfstatat(AT_FDCWD, "./4806/cgroup.net", [pid 295] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... close resumed>) = 0 [pid 296] unlink("./4806/cgroup.net" [pid 297] rmdir("./4838" [pid 295] umount2("./4777/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... rmdir resumed>) = 0 [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./4777/cgroup.net", [pid 297] mkdir("./4839", 0777 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] unlink("./4777/cgroup.net" [pid 296] close(3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... unlink resumed>) = 0 [pid 296] <... close resumed>) = 0 ./strace-static-x86_64: Process 5905 attached [pid 296] rmdir("./4806" [pid 295] getdents64(3, [pid 5905] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14271 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5905] chdir("./4839") = 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5905] setpgid(0, 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5905] <... setpgid resumed>) = 0 [pid 296] mkdir("./4807", 0777 [pid 295] close(3 [pid 5905] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5905] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 5905] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] rmdir("./4777" [pid 5905] <... symlink resumed>) = 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5905] write(3, "1000", 4) = 4 [pid 5905] close(3) = 0 [pid 5905] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5906 attached ) = 0 [pid 5906] set_robust_list(0x5555568776a0, 24 [pid 5905] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14198 [pid 295] <... rmdir resumed>) = 0 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 295] mkdir("./4778", 0777 [pid 5906] chdir("./4807" [pid 5905] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5906] <... chdir resumed>) = 0 [pid 5905] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5906] <... prctl resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] setpgid(0, 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... mkdir resumed>) = 0 [pid 5906] <... setpgid resumed>) = 0 [pid 5905] <... mmap resumed>) = 0x7fd4ce11b000 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5906] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5905] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5906] <... symlink resumed>) = 0 [pid 5905] <... mprotect resumed>) = 0 [pid 5906] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5907 attached [pid 5906] <... symlink resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14093 [pid 5906] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5908 attached [pid 5907] set_robust_list(0x5555568776a0, 24 [pid 5906] <... symlink resumed>) = 0 [pid 5908] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] <... clone3 resumed> => {parent_tid=[14272]}, 88) = 14272 [pid 5908] <... set_robust_list resumed>) = 0 [pid 5907] chdir("./4778" [pid 5906] <... openat resumed>) = 3 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5903] <... bpf resumed>) = 5 [pid 5901] <... bpf resumed>) = 5 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] <... chdir resumed>) = 0 [pid 5906] write(3, "1000", 4 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5906] <... write resumed>) = 4 [pid 5905] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5906] close(3 [pid 5905] <... futex resumed>) = 0 [pid 5903] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] close(3 [pid 5908] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5907] <... prctl resumed>) = 0 [pid 5906] <... close resumed>) = 0 [pid 5905] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... close resumed>) = 0 [pid 5901] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] close(3 [pid 5906] symlink("/dev/binderfs", "./binderfs" [pid 5902] close(4 [pid 5907] setpgid(0, 0 [pid 5906] <... symlink resumed>) = 0 [pid 5902] <... close resumed>) = 0 [pid 5900] <... close resumed>) = 0 [pid 5908] <... bpf resumed>) = 3 [pid 5908] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... setpgid resumed>) = 0 [pid 5906] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] close(5 [pid 5900] close(4 [pid 5908] <... futex resumed>) = 1 [pid 5907] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5906] <... futex resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5902] <... close resumed>) = 0 [pid 5900] <... close resumed>) = 0 [pid 5908] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5906] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5905] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] close(6 [pid 5907] <... symlink resumed>) = 0 [pid 5908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5906] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(5 [pid 5908] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5905] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] close(7 [pid 5907] <... symlink resumed>) = 0 [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] close(8 [pid 5906] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5905] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = 0 [pid 5908] <... bpf resumed>) = 0 [pid 5907] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5906] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5905] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5902] close(9 [pid 5900] close(6 [pid 5908] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... symlink resumed>) = 0 [pid 5906] <... mprotect resumed>) = 0 [pid 5905] <... mprotect resumed>) = 0 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5908] <... futex resumed>) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5902] close(10 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5908] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5906] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] <... openat resumed>) = 3 [pid 5906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5902] close(11 [pid 5900] close(7./strace-static-x86_64: Process 5910 attached ./strace-static-x86_64: Process 5909 attached [pid 5907] write(3, "1000", 4 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5909] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5907] <... write resumed>) = 4 [pid 5906] <... clone3 resumed> => {parent_tid=[14199]}, 88) = 14199 [pid 5905] <... clone3 resumed> => {parent_tid=[14273]}, 88) = 14273 [pid 5902] close(12 [pid 5900] close(8 [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] <... set_robust_list resumed>) = 0 [pid 5907] close(3 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] <... close resumed>) = 0 [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] close(13 [pid 5900] close(9 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] symlink("/dev/binderfs", "./binderfs" [pid 5906] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5909] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5906] <... futex resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5902] close(14 [pid 5907] <... symlink resumed>) = 0 [pid 5906] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(10 [pid 5910] <... bpf resumed>) = 4 [pid 5902] close(15 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... bpf resumed>) = 3 [pid 5907] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(11 [pid 5910] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... futex resumed>) = 0 [pid 5902] close(16 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 1 [pid 5907] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5906] <... futex resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(12 [pid 5910] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5906] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] close(17 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5908] <... futex resumed>) = 0 [pid 5907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5906] <... futex resumed>) = 0 [pid 5905] <... futex resumed>) = 1 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(13 [pid 5909] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5908] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5902] close(18 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... bpf resumed>) = 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] <... futex resumed>) = 0 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(14 [pid 5909] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] close(19 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... futex resumed>) = 0 [pid 5907] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5906] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(15 [pid 5909] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5906] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5902] close(20 [pid 5907] <... mprotect resumed>) = 0 [pid 5906] <... mprotect resumed>) = 0 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5902] close(21 [pid 5906] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5902] close(22 [pid 5900] close(16./strace-static-x86_64: Process 5911 attached [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5906] <... clone3 resumed> => {parent_tid=[14200]}, 88) = 14200 [pid 5902] close(23 [pid 5900] close(17 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5912 attached [pid 5911] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] close(24 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] <... clone3 resumed> => {parent_tid=[14094]}, 88) = 14094 [pid 5906] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(18 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5911] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] <... futex resumed>) = 0 [pid 5902] close(25 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] close(26 [pid 5912] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] <... bpf resumed>) = 4 [pid 5902] close(27 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5911] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(19 [pid 5912] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 1 [pid 5906] <... futex resumed>) = 0 [pid 5902] close(28 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5911] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(20 [pid 5912] <... bpf resumed>) = 3 [pid 5909] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = 1 [pid 5902] close(29 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5906] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(21 [pid 5912] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5902] exit_group(0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = ? [pid 5903] <... futex resumed>) = ? [pid 5902] <... exit_group resumed>) = ? [pid 5900] close(22 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] <... futex resumed>) = 0 [pid 5904] +++ exited with 0 +++ [pid 5903] +++ exited with 0 +++ [pid 5902] +++ exited with 0 +++ [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5907] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] close(23 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5912] <... bpf resumed>) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5900] close(24 [pid 5912] <... futex resumed>) = 0 [pid 5907] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5900] close(25 [pid 293] umount2("./4665", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5907] <... mprotect resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5900] close(26 [pid 293] openat(AT_FDCWD, "./4665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5900] close(27 [pid 293] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5914 attached [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(3, "", [pid 5914] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5907] <... clone3 resumed> => {parent_tid=[14095]}, 88) = 14095 [pid 5900] close(28 [pid 5914] <... set_robust_list resumed>) = 0 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] close(29 [pid 293] getdents64(3, [pid 5914] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5907] <... futex resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5914] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] exit_group(0 [pid 293] umount2("./4665/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5914] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = ? [pid 5900] <... exit_group resumed>) = ? [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5912] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = 1 [pid 5901] +++ exited with 0 +++ [pid 5912] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5900] +++ exited with 0 +++ [pid 293] newfstatat(AT_FDCWD, "./4665/cgroup.cpu", [pid 5907] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4665/cgroup.cpu") = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 293] umount2("./4665/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4728", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4665/binderfs", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] openat(AT_FDCWD, "./4728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] unlink("./4665/binderfs" [pid 294] <... openat resumed>) = 3 [pid 294] newfstatat(3, "", [pid 293] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] umount2("./4665/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] getdents64(3, [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4665/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4665/cgroup" [pid 5908] <... bpf resumed>) = 5 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... unlink resumed>) = 0 [pid 5912] <... bpf resumed>) = 5 [pid 5909] <... bpf resumed>) = 5 [pid 5908] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] umount2("./4728/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4665/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5912] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = 1 [pid 5905] <... futex resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5912] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 1 [pid 5908] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = 0 [pid 5905] close(3 [pid 294] newfstatat(AT_FDCWD, "./4728/cgroup.cpu", [pid 293] newfstatat(AT_FDCWD, "./4665/cgroup.net", [pid 5912] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] close(3 [pid 5906] close(3 [pid 5905] <... close resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5907] <... close resumed>) = 0 [pid 5906] <... close resumed>) = 0 [pid 5905] close(4 [pid 294] unlink("./4728/cgroup.cpu" [pid 293] unlink("./4665/cgroup.net" [pid 5907] close(4 [pid 5906] close(4 [pid 5905] <... close resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5907] <... close resumed>) = 0 [pid 5906] <... close resumed>) = 0 [pid 5905] close(5 [pid 294] <... unlink resumed>) = 0 [pid 293] getdents64(3, [pid 5907] close(5 [pid 5906] close(5 [pid 5905] <... close resumed>) = 0 [pid 294] umount2("./4728/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5905] close(6 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] close(3 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4728/binderfs", [pid 293] <... close resumed>) = 0 [pid 5905] close(7 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] rmdir("./4665" [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4728/binderfs" [pid 293] <... rmdir resumed>) = 0 [pid 5905] close(8 [pid 293] mkdir("./4666", 0777 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 5905] close(9 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4728/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5915 attached [pid 5905] close(10 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13761 [pid 5915] set_robust_list(0x5555568776a0, 24 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4728/cgroup", [pid 5915] <... set_robust_list resumed>) = 0 [pid 5905] close(11 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5915] chdir("./4666" [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... chdir resumed>) = 0 [pid 5905] close(12 [pid 294] unlink("./4728/cgroup" [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(13) = -1 EBADF (Bad file descriptor) [pid 5905] close(14 [pid 294] <... unlink resumed>) = 0 [pid 5915] <... prctl resumed>) = 0 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(15) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4728/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5915] setpgid(0, 0 [pid 5905] close(16 [pid 5915] <... setpgid resumed>) = 0 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5905] close(17 [pid 5915] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4728/cgroup.net", [pid 5905] close(18) = -1 EBADF (Bad file descriptor) [pid 5905] close(19) = -1 EBADF (Bad file descriptor) [pid 5905] close(20 [pid 5915] <... symlink resumed>) = 0 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5905] close(21 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... symlink resumed>) = 0 [pid 5905] close(22 [pid 294] unlink("./4728/cgroup.net" [pid 5915] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(23 [pid 294] <... unlink resumed>) = 0 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(24) = -1 EBADF (Bad file descriptor) [pid 5915] <... symlink resumed>) = 0 [pid 5905] close(25 [pid 294] getdents64(3, [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5905] close(26 [pid 5915] <... openat resumed>) = 3 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] close(3 [pid 5905] close(27) = -1 EBADF (Bad file descriptor) [pid 5915] write(3, "1000", 4) = 4 [pid 5905] close(28 [pid 294] <... close resumed>) = 0 [pid 5915] close(3 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] rmdir("./4728" [pid 5915] <... close resumed>) = 0 [pid 5905] close(29) = -1 EBADF (Bad file descriptor) [pid 5905] exit_group(0 [pid 5910] <... futex resumed>) = ? [pid 5908] <... futex resumed>) = ? [pid 5905] <... exit_group resumed>) = ? [pid 5915] symlink("/dev/binderfs", "./binderfs" [pid 5910] +++ exited with 0 +++ [pid 5908] +++ exited with 0 +++ [pid 5905] +++ exited with 0 +++ [pid 294] <... rmdir resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5915] <... symlink resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 294] mkdir("./4729", 0777 [pid 5915] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4839", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4839", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5915] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 294] <... mkdir resumed>) = 0 [pid 5915] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 297] newfstatat(3, "", [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5915] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4839/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4839/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4839/cgroup.cpu"./strace-static-x86_64: Process 5916 attached [pid 5915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 297] <... unlink resumed>) = 0 [pid 5916] set_robust_list(0x5555568776a0, 24 [pid 297] umount2("./4839/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] <... set_robust_list resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] chdir("./4729" [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] newfstatat(AT_FDCWD, "./4839/binderfs", [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13924 [pid 5916] <... chdir resumed>) = 0 [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] unlink("./4839/binderfs" [pid 5915] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5916] <... prctl resumed>) = 0 [pid 5915] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 297] <... unlink resumed>) = 0 [pid 5916] setpgid(0, 0 [pid 297] umount2("./4839/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] <... setpgid resumed>) = 0 [pid 5915] <... mprotect resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 297] newfstatat(AT_FDCWD, "./4839/cgroup", [pid 5916] <... symlink resumed>) = 0 [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5916] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] unlink("./4839/cgroup" [pid 5916] <... symlink resumed>) = 0 [pid 5915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 297] <... unlink resumed>) = 0 [pid 5916] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 297] umount2("./4839/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5917 attached [pid 5916] <... symlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5917] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] <... clone3 resumed> => {parent_tid=[13762]}, 88) = 13762 [pid 297] newfstatat(AT_FDCWD, "./4839/cgroup.net", [pid 5917] <... set_robust_list resumed>) = 0 [pid 5916] <... openat resumed>) = 3 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5917] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] write(3, "1000", 4 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] unlink("./4839/cgroup.net" [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] <... write resumed>) = 4 [pid 5915] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... unlink resumed>) = 0 [pid 5917] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5916] close(3 [pid 5915] <... futex resumed>) = 0 [pid 297] getdents64(3, [pid 5917] <... bpf resumed>) = 3 [pid 5916] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5917] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] symlink("/dev/binderfs", "./binderfs" [pid 5915] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] close(3 [pid 5917] <... futex resumed>) = 0 [pid 5916] <... symlink resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 5917] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] rmdir("./4839" [pid 5916] <... futex resumed>) = 0 [pid 5915] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... rmdir resumed>) = 0 [pid 5916] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5917] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 297] mkdir("./4840", 0777 [pid 5917] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5916] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5915] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... mkdir resumed>) = 0 [pid 5917] <... bpf resumed>) = 0 [pid 5916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5915] <... futex resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5917] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5918 attached [pid 5917] <... futex resumed>) = 0 [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5915] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14274 [pid 5918] set_robust_list(0x5555568776a0, 24 [pid 5917] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5915] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5918] <... set_robust_list resumed>) = 0 [pid 5916] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5915] <... mprotect resumed>) = 0 [pid 5918] chdir("./4840" [pid 5916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5918] <... chdir resumed>) = 0 [pid 5916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5915] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5919 attached [pid 5918] <... prctl resumed>) = 0 [pid 5915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5916] <... clone3 resumed> => {parent_tid=[13925]}, 88) = 13925 [pid 5919] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5918] setpgid(0, 0 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5916] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5920 attached [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] <... setpgid resumed>) = 0 [pid 5916] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5920] <... set_robust_list resumed>) = 0 [pid 5918] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] <... clone3 resumed> => {parent_tid=[13763]}, 88) = 13763 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] <... symlink resumed>) = 0 [pid 5920] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5918] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] <... bpf resumed>) = 3 [pid 5919] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... symlink resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] <... close resumed>) = 0 [pid 5906] <... close resumed>) = 0 [pid 5919] <... futex resumed>) = 1 [pid 5918] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5916] <... futex resumed>) = 0 [pid 5915] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] close(6 [pid 5906] close(6 [pid 5919] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... futex resumed>) = 0 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] <... symlink resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] close(7 [pid 5920] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5919] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] close(7 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... bpf resumed>) = 4 [pid 5919] <... bpf resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5906] close(8 [pid 5918] <... openat resumed>) = 3 [pid 5920] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] write(3, "1000", 4 [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... futex resumed>) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5918] <... write resumed>) = 4 [pid 5916] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5915] <... futex resumed>) = 0 [pid 5907] close(8 [pid 5906] close(9 [pid 5920] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] close(3 [pid 5916] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5915] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5916] <... mprotect resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5906] close(10 [pid 5907] close(9 [pid 5918] symlink("/dev/binderfs", "./binderfs" [pid 5917] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5915] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5906] close(11 [pid 5918] <... symlink resumed>) = 0 [pid 5916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5907] close(10 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5921 attached [pid 5918] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] close(12 [pid 5921] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5918] <... futex resumed>) = 0 [pid 5916] <... clone3 resumed> => {parent_tid=[13926]}, 88) = 13926 [pid 5907] close(11 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5921] <... set_robust_list resumed>) = 0 [pid 5918] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5916] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] close(13 [pid 5921] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5916] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] close(12 [pid 5906] close(14 [pid 5921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5916] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] close(15) = -1 EBADF (Bad file descriptor) [pid 5906] close(16) = -1 EBADF (Bad file descriptor) [pid 5906] close(17) = -1 EBADF (Bad file descriptor) [pid 5906] close(18) = -1 EBADF (Bad file descriptor) [pid 5921] <... bpf resumed>) = 4 [pid 5918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] close(13 [pid 5906] close(19 [pid 5921] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5921] <... futex resumed>) = 1 [pid 5918] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5916] <... futex resumed>) = 0 [pid 5907] close(14 [pid 5906] close(20 [pid 5921] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... futex resumed>) = 0 [pid 5918] <... mprotect resumed>) = 0 [pid 5916] <... futex resumed>) = 1 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] close(21 [pid 5919] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5916] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5907] close(15 [pid 5906] close(22 [pid 5918] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] close(23) = -1 EBADF (Bad file descriptor) [pid 5906] close(24 [pid 5918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(16 [pid 5906] close(25) = -1 EBADF (Bad file descriptor) [pid 5906] close(26) = -1 EBADF (Bad file descriptor) [pid 5906] close(27) = -1 EBADF (Bad file descriptor) [pid 5906] close(28./strace-static-x86_64: Process 5922 attached [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5922] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5918] <... clone3 resumed> => {parent_tid=[14275]}, 88) = 14275 [pid 5907] close(17 [pid 5906] close(29 [pid 5922] <... set_robust_list resumed>) = 0 [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5922] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] close(18 [pid 5906] exit_group(0 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = ? [pid 5909] <... futex resumed>) = ? [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... exit_group resumed>) = ? [pid 5922] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5918] <... futex resumed>) = 0 [pid 5911] +++ exited with 0 +++ [pid 5909] +++ exited with 0 +++ [pid 5907] close(19 [pid 5922] <... bpf resumed>) = 3 [pid 5918] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] +++ exited with 0 +++ [pid 5922] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] close(20 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5922] <... futex resumed>) = 0 [pid 5918] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 5922] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5918] <... futex resumed>) = 0 [pid 5907] close(21 [pid 5922] <... bpf resumed>) = 0 [pid 5918] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... restart_syscall resumed>) = 0 [pid 5922] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 0 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5922] <... futex resumed>) = 0 [pid 5922] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] close(22) = -1 EBADF (Bad file descriptor) [pid 5918] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 296] umount2("./4807", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5907] close(23 [pid 5918] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] <... mprotect resumed>) = 0 [pid 5907] close(24 [pid 296] openat(AT_FDCWD, "./4807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5918] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... openat resumed>) = 3 [pid 5918] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5907] close(25 [pid 296] newfstatat(3, "", [pid 5918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5923 attached [pid 5917] <... bpf resumed>) = 5 [pid 5907] close(26 [pid 296] getdents64(3, [pid 5919] <... bpf resumed>) = 5 [pid 5923] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5919] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... clone3 resumed> => {parent_tid=[14276]}, 88) = 14276 [pid 5917] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5919] <... futex resumed>) = 1 [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5917] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = 0 [pid 5907] close(27 [pid 296] umount2("./4807/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] close(3 [pid 5915] close(3 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... close resumed>) = 0 [pid 5915] <... close resumed>) = 0 [pid 5907] close(28 [pid 296] newfstatat(AT_FDCWD, "./4807/cgroup.cpu", [pid 5923] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5918] <... futex resumed>) = 0 [pid 5916] close(4 [pid 5915] close(4 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5918] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] close(29 [pid 296] unlink("./4807/cgroup.cpu" [pid 5923] <... bpf resumed>) = 4 [pid 5916] <... close resumed>) = 0 [pid 5915] <... close resumed>) = 0 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 5923] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] close(5 [pid 5915] close(5 [pid 5907] exit_group(0 [pid 296] umount2("./4807/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5923] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5916] <... close resumed>) = 0 [pid 5915] <... close resumed>) = 0 [pid 5914] <... futex resumed>) = ? [pid 5912] <... futex resumed>) = ? [pid 5907] <... exit_group resumed>) = ? [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5923] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] close(6 [pid 5915] close(6 [pid 5914] +++ exited with 0 +++ [pid 5912] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 296] newfstatat(AT_FDCWD, "./4807/binderfs", [pid 5922] <... futex resumed>) = 0 [pid 5918] <... futex resumed>) = 1 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5922] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5918] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5916] close(7 [pid 5915] close(7 [pid 296] unlink("./4807/binderfs" [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5916] close(8 [pid 5915] close(8 [pid 296] umount2("./4807/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... restart_syscall resumed>) = 0 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] close(9 [pid 5915] close(9 [pid 296] newfstatat(AT_FDCWD, "./4807/cgroup", [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4778", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] close(10 [pid 5915] close(10 [pid 296] unlink("./4807/cgroup" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 295] openat(AT_FDCWD, "./4778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5916] close(11 [pid 5915] close(11 [pid 296] umount2("./4807/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... openat resumed>) = 3 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(3, "", [pid 5916] close(12 [pid 5915] close(12 [pid 296] newfstatat(AT_FDCWD, "./4807/cgroup.net", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 5916] close(13 [pid 5915] close(13 [pid 296] unlink("./4807/cgroup.net" [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4778/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] close(14 [pid 5915] close(14 [pid 296] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./4778/cgroup.cpu", [pid 5916] close(15 [pid 5915] close(15 [pid 296] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... close resumed>) = 0 [pid 295] unlink("./4778/cgroup.cpu" [pid 5916] close(16 [pid 5915] close(16 [pid 296] rmdir("./4807" [pid 295] <... unlink resumed>) = 0 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... rmdir resumed>) = 0 [pid 295] umount2("./4778/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] close(17 [pid 5915] close(17 [pid 296] mkdir("./4808", 0777 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... mkdir resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4778/binderfs", [pid 5916] close(18 [pid 5915] close(18 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5924 attached [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] unlink("./4778/binderfs" [pid 5924] set_robust_list(0x5555568776a0, 24 [pid 5916] close(19 [pid 5915] close(19 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14201 [pid 295] <... unlink resumed>) = 0 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4778/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5924] chdir("./4808" [pid 5916] close(20 [pid 5915] close(20 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4778/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4778/cgroup") = 0 [pid 5924] <... chdir resumed>) = 0 [pid 295] umount2("./4778/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5924] <... prctl resumed>) = 0 [pid 5916] close(21 [pid 5915] close(21 [pid 295] newfstatat(AT_FDCWD, "./4778/cgroup.net", [pid 5924] setpgid(0, 0 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5924] <... setpgid resumed>) = 0 [pid 5916] close(22 [pid 5915] close(22 [pid 295] unlink("./4778/cgroup.net" [pid 5924] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 5924] <... symlink resumed>) = 0 [pid 5916] close(23 [pid 5915] close(23 [pid 295] close(3 [pid 5924] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./4778" [pid 5924] <... symlink resumed>) = 0 [pid 5916] close(24 [pid 5915] close(24 [pid 295] <... rmdir resumed>) = 0 [pid 5924] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] mkdir("./4779", 0777 [pid 5924] <... symlink resumed>) = 0 [pid 5916] close(25 [pid 5915] close(25 [pid 295] <... mkdir resumed>) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5924] <... openat resumed>) = 3 [pid 5916] close(26 [pid 5915] close(26./strace-static-x86_64: Process 5925 attached [pid 5924] write(3, "1000", 4 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14096 [pid 5925] set_robust_list(0x5555568776a0, 24 [pid 5924] <... write resumed>) = 4 [pid 5916] close(27 [pid 5915] close(27 [pid 5925] <... set_robust_list resumed>) = 0 [pid 5924] close(3 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] chdir("./4779" [pid 5924] <... close resumed>) = 0 [pid 5916] close(28 [pid 5915] close(28 [pid 5925] <... chdir resumed>) = 0 [pid 5924] symlink("/dev/binderfs", "./binderfs" [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] <... symlink resumed>) = 0 [pid 5916] close(29 [pid 5915] close(29 [pid 5925] <... prctl resumed>) = 0 [pid 5924] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] setpgid(0, 0) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5916] exit_group(0 [pid 5915] exit_group(0 [pid 5925] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5924] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5921] <... futex resumed>) = ? [pid 5920] <... futex resumed>) = ? [pid 5919] <... futex resumed>) = ? [pid 5917] <... futex resumed>) = ? [pid 5916] <... exit_group resumed>) = ? [pid 5915] <... exit_group resumed>) = ? [pid 5925] <... symlink resumed>) = 0 [pid 5924] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5921] +++ exited with 0 +++ [pid 5920] +++ exited with 0 +++ [pid 5917] +++ exited with 0 +++ [pid 5919] +++ exited with 0 +++ [pid 5915] +++ exited with 0 +++ [pid 5924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5925] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] +++ exited with 0 +++ [pid 5925] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5922] <... bpf resumed>) = 5 [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5925] <... symlink resumed>) = 0 [pid 5922] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13924, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5924] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 293] umount2("./4666", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5924] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5925] <... openat resumed>) = 3 [pid 5922] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] close(3 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 5925] write(3, "1000", 4 [pid 5924] <... mprotect resumed>) = 0 [pid 5918] <... close resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5925] <... write resumed>) = 4 [pid 5924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5918] close(4 [pid 294] <... restart_syscall resumed>) = 0 [pid 293] openat(AT_FDCWD, "./4666", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5925] close(3 [pid 5924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5918] <... close resumed>) = 0 [pid 5925] <... close resumed>) = 0 [pid 5924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5918] close(5 [pid 293] <... openat resumed>) = 3 [pid 5925] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5926 attached [pid 5918] <... close resumed>) = 0 [pid 293] newfstatat(3, "", [pid 5926] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5925] <... symlink resumed>) = 0 [pid 5924] <... clone3 resumed> => {parent_tid=[14202]}, 88) = 14202 [pid 5918] close(6 [pid 294] umount2("./4729", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5926] <... set_robust_list resumed>) = 0 [pid 5925] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] getdents64(3, [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] <... futex resumed>) = 0 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] close(7 [pid 294] openat(AT_FDCWD, "./4729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5924] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5926] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5925] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5918] close(8 [pid 294] <... openat resumed>) = 3 [pid 293] umount2("./4666/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5926] <... bpf resumed>) = 3 [pid 5925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5924] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(3, "", [pid 5926] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] close(9 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5926] <... futex resumed>) = 0 [pid 5925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5924] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4666/cgroup.cpu", [pid 5926] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5925] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5924] <... futex resumed>) = 0 [pid 5918] close(10 [pid 294] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5926] <... bpf resumed>) = 0 [pid 5925] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5924] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... mprotect resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5918] close(11 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] unlink("./4666/cgroup.cpu" [pid 5926] <... futex resumed>) = 0 [pid 5925] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] close(12 [pid 294] umount2("./4729/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 5925] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5924] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4666/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5924] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5918] close(13 [pid 294] newfstatat(AT_FDCWD, "./4729/cgroup.cpu", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5927 attached [pid 5924] <... mprotect resumed>) = 0 [pid 5927] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5925] <... clone3 resumed> => {parent_tid=[14097]}, 88) = 14097 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4666/binderfs", [pid 5927] <... set_robust_list resumed>) = 0 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5918] close(14 [pid 294] unlink("./4729/cgroup.cpu" [pid 5927] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5918] close(15 [pid 294] <... unlink resumed>) = 0 [pid 293] unlink("./4666/binderfs"./strace-static-x86_64: Process 5928 attached [pid 5927] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5925] <... futex resumed>) = 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4729/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5928] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5927] <... bpf resumed>) = 3 [pid 5925] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] <... clone3 resumed> => {parent_tid=[14203]}, 88) = 14203 [pid 5918] close(16 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 5928] <... set_robust_list resumed>) = 0 [pid 5927] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4729/binderfs", [pid 293] umount2("./4666/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5928] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] <... futex resumed>) = 0 [pid 5925] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] close(17 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5925] <... futex resumed>) = 0 [pid 5924] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4729/binderfs" [pid 293] newfstatat(AT_FDCWD, "./4666/cgroup", [pid 5928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5927] <... bpf resumed>) = 0 [pid 5925] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = 0 [pid 5918] close(18 [pid 5928] <... bpf resumed>) = 4 [pid 5927] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5924] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5928] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 0 [pid 5925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] close(19 [pid 294] umount2("./4729/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4666/cgroup" [pid 5928] <... futex resumed>) = 0 [pid 5927] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5924] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] <... futex resumed>) = 0 [pid 5925] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5924] <... futex resumed>) = 1 [pid 5918] close(20 [pid 294] newfstatat(AT_FDCWD, "./4729/cgroup", [pid 293] <... unlink resumed>) = 0 [pid 5926] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5925] <... mprotect resumed>) = 0 [pid 5924] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4666/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5925] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5918] close(21 [pid 294] unlink("./4729/cgroup" [pid 5925] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5918] close(22 [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4666/cgroup.net", ./strace-static-x86_64: Process 5929 attached [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4729/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5929] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5925] <... clone3 resumed> => {parent_tid=[14098]}, 88) = 14098 [pid 5918] close(23 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4666/cgroup.net" [pid 5929] <... set_robust_list resumed>) = 0 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4729/cgroup.net", [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] close(24 [pid 293] <... unlink resumed>) = 0 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5925] <... futex resumed>) = 0 [pid 5918] close(25 [pid 294] unlink("./4729/cgroup.net" [pid 293] getdents64(3, [pid 5925] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... bpf resumed>) = 4 [pid 5918] close(26 [pid 294] <... unlink resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5929] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] getdents64(3, [pid 293] close(3 [pid 5929] <... futex resumed>) = 1 [pid 5925] <... futex resumed>) = 0 [pid 5918] close(27 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5929] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] close(3 [pid 293] <... close resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5918] close(28 [pid 5927] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5925] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... close resumed>) = 0 [pid 293] rmdir("./4666" [pid 5918] close(29 [pid 294] rmdir("./4729" [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] exit_group(0) = ? [pid 293] <... rmdir resumed>) = 0 [pid 5923] <... futex resumed>) = ? [pid 5922] <... futex resumed>) = ? [pid 5922] +++ exited with 0 +++ [pid 294] <... rmdir resumed>) = 0 [pid 5923] +++ exited with 0 +++ [pid 5918] +++ exited with 0 +++ [pid 294] mkdir("./4730", 0777 [pid 293] mkdir("./4667", 0777 [pid 294] <... mkdir resumed>) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14274, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5930 attached ./strace-static-x86_64: Process 5931 attached [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5930] set_robust_list(0x5555568776a0, 24 [pid 297] <... restart_syscall resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13764 [pid 5931] set_robust_list(0x5555568776a0, 24 [pid 5930] <... set_robust_list resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13927 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] chdir("./4730" [pid 5931] chdir("./4667" [pid 5930] <... chdir resumed>) = 0 [pid 5927] <... bpf resumed>) = 5 [pid 5926] <... bpf resumed>) = 5 [pid 297] umount2("./4840", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5931] <... chdir resumed>) = 0 [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5927] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5930] <... prctl resumed>) = 0 [pid 5927] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 1 [pid 5925] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5931] <... prctl resumed>) = 0 [pid 5930] setpgid(0, 0 [pid 5927] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] close(3 [pid 5924] close(3 [pid 297] openat(AT_FDCWD, "./4840", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5931] setpgid(0, 0 [pid 5930] <... setpgid resumed>) = 0 [pid 5925] <... close resumed>) = 0 [pid 5924] <... close resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 5931] <... setpgid resumed>) = 0 [pid 5930] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5924] close(4 [pid 5931] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5924] <... close resumed>) = 0 [pid 5925] close(4 [pid 297] newfstatat(3, "", [pid 5930] <... symlink resumed>) = 0 [pid 5924] close(5 [pid 5931] <... symlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5931] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5930] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5925] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 5931] <... symlink resumed>) = 0 [pid 5930] <... symlink resumed>) = 0 [pid 5925] close(5 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5931] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5930] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 297] umount2("./4840/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5931] <... symlink resumed>) = 0 [pid 5930] <... symlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] newfstatat(AT_FDCWD, "./4840/cgroup.cpu", [pid 5931] <... openat resumed>) = 3 [pid 5930] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5931] write(3, "1000", 4 [pid 5930] write(3, "1000", 4 [pid 297] unlink("./4840/cgroup.cpu" [pid 5931] <... write resumed>) = 4 [pid 5930] <... write resumed>) = 4 [pid 5930] close(3 [pid 5931] close(3 [pid 297] <... unlink resumed>) = 0 [pid 5931] <... close resumed>) = 0 [pid 5930] <... close resumed>) = 0 [pid 5931] symlink("/dev/binderfs", "./binderfs" [pid 297] umount2("./4840/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5930] symlink("/dev/binderfs", "./binderfs" [pid 5931] <... symlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5931] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... symlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4840/binderfs", [pid 5931] <... futex resumed>) = 0 [pid 5930] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5931] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5930] <... futex resumed>) = 0 [pid 297] unlink("./4840/binderfs" [pid 5931] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5930] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 297] <... unlink resumed>) = 0 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] umount2("./4840/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5931] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5931] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] newfstatat(AT_FDCWD, "./4840/cgroup", [pid 5931] <... mprotect resumed>) = 0 [pid 5930] <... mmap resumed>) = 0x7fd4ce11b000 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5931] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5930] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 297] unlink("./4840/cgroup" [pid 5931] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5930] <... mprotect resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5930] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] umount2("./4840/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5932 attached [pid 5930] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5932] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5931] <... clone3 resumed> => {parent_tid=[13765]}, 88) = 13765 [pid 5930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 297] newfstatat(AT_FDCWD, "./4840/cgroup.net", [pid 5932] <... set_robust_list resumed>) = 0 [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5932] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5933 attached NULL, 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5933] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5932] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] unlink("./4840/cgroup.net" [pid 5930] <... clone3 resumed> => {parent_tid=[13928]}, 88) = 13928 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5931] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... unlink resumed>) = 0 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], [pid 5932] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 1 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 297] getdents64(3, [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5933] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5932] <... bpf resumed>) = 3 [pid 5930] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(3 [pid 5933] <... futex resumed>) = 0 [pid 5932] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 1 [pid 297] <... close resumed>) = 0 [pid 5933] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5932] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5930] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] rmdir("./4840" [pid 5933] <... bpf resumed>) = 3 [pid 5932] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5931] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... rmdir resumed>) = 0 [pid 5933] <... futex resumed>) = 1 [pid 5932] <... bpf resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = 0 [pid 297] mkdir("./4841", 0777 [pid 5933] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... mkdir resumed>) = 0 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = 1 [pid 5933] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5932] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5931] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5930] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... bpf resumed>) = 0 [pid 5933] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5933] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] <... bpf resumed>) = 4 [pid 5930] <... futex resumed>) = 0 [pid 5930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 5930] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5934 attached [pid 5932] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5932] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5930] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14277 [pid 5934] set_robust_list(0x5555568776a0, 24 [pid 5932] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5934] <... set_robust_list resumed>) = 0 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5935 attached [pid 5932] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5931] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5934] chdir("./4841" [pid 5935] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5934] <... chdir resumed>) = 0 [pid 5930] <... clone3 resumed> => {parent_tid=[13929]}, 88) = 13929 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5935] rt_sigprocmask(SIG_SETMASK, [], [pid 5934] <... prctl resumed>) = 0 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] setpgid(0, 0 [pid 5935] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5934] <... setpgid resumed>) = 0 [pid 5930] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5930] <... futex resumed>) = 0 [pid 5930] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... bpf resumed>) = 4 [pid 5934] <... symlink resumed>) = 0 [pid 5934] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5935] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5934] <... symlink resumed>) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5934] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5935] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... symlink resumed>) = 0 [pid 5933] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = 1 [pid 5933] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5934] write(3, "1000", 4) = 4 [pid 5934] close(3) = 0 [pid 5934] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5930] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5934] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5934] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5934] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5934] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5936 attached => {parent_tid=[14278]}, 88) = 14278 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5934] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5934] <... futex resumed>) = 0 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5934] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5936] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5936] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5934] <... futex resumed>) = 0 [pid 5936] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] <... futex resumed>) = 0 [pid 5924] <... close resumed>) = 0 [pid 5936] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5934] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... close resumed>) = 0 [pid 5924] close(6 [pid 5936] <... bpf resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5936] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5925] close(6 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] <... futex resumed>) = 0 [pid 5934] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] close(7 [pid 5936] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5925] close(7 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] close(8 [pid 5934] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5925] close(8 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5937 attached [pid 5925] close(9 [pid 5924] close(9 [pid 5937] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5934] <... clone3 resumed> => {parent_tid=[14279]}, 88) = 14279 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... set_robust_list resumed>) = 0 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] close(10 [pid 5924] close(10 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] close(11 [pid 5924] close(11 [pid 5937] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5934] <... futex resumed>) = 0 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] close(12 [pid 5924] close(12 [pid 5937] <... bpf resumed>) = 4 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(13 [pid 5937] <... futex resumed>) = 1 [pid 5934] <... futex resumed>) = 0 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] close(13 [pid 5937] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] close(14 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] <... futex resumed>) = 1 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] close(14 [pid 5925] close(15 [pid 5934] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(16 [pid 5924] close(15 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(17 [pid 5924] close(16 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(18 [pid 5924] close(17 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(19 [pid 5924] close(18 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(20 [pid 5924] close(19 [pid 5936] <... futex resumed>) = 0 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5925] close(21 [pid 5924] close(20 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(22 [pid 5924] close(21 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(23 [pid 5924] close(22 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(24 [pid 5924] close(23 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(25 [pid 5924] close(24 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(26 [pid 5924] close(25 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(27 [pid 5924] close(26 [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] close(28) = -1 EBADF (Bad file descriptor) [pid 5924] close(27 [pid 5925] close(29 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] close(28 [pid 5925] exit_group(0 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] <... exit_group resumed>) = ? [pid 5927] <... futex resumed>) = ? [pid 5929] <... futex resumed>) = ? [pid 5924] close(29 [pid 5929] +++ exited with 0 +++ [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] +++ exited with 0 +++ [pid 5925] +++ exited with 0 +++ [pid 5924] exit_group(0) = ? [pid 5926] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 5928] <... futex resumed>) = ? [pid 5926] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5924] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... restart_syscall resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 295] umount2("./4779", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4808", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] openat(AT_FDCWD, "./4779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 296] openat(AT_FDCWD, "./4808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] newfstatat(3, "", [pid 296] <... openat resumed>) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(3, "", [pid 295] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] getdents64(3, [pid 295] umount2("./4779/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4808/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4779/cgroup.cpu", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./4808/cgroup.cpu", [pid 295] unlink("./4779/cgroup.cpu" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] unlink("./4808/cgroup.cpu" [pid 295] umount2("./4779/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4779/binderfs", [pid 296] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4808/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4779/binderfs" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4808/binderfs", [pid 295] umount2("./4779/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./4808/binderfs" [pid 295] newfstatat(AT_FDCWD, "./4779/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] unlink("./4779/cgroup" [pid 296] umount2("./4808/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4779/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4808/cgroup", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4779/cgroup.net", [pid 296] unlink("./4808/cgroup" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4779/cgroup.net" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] umount2("./4808/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] close(3 [pid 296] newfstatat(AT_FDCWD, "./4808/cgroup.net", [pid 295] <... close resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] rmdir("./4779" [pid 296] unlink("./4808/cgroup.net" [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./4780", 0777 [pid 296] <... unlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 296] getdents64(3, [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5938 attached [pid 296] close(3 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14099 [pid 5938] set_robust_list(0x5555568776a0, 24 [pid 296] <... close resumed>) = 0 [pid 5938] <... set_robust_list resumed>) = 0 [pid 296] rmdir("./4808" [pid 5938] chdir("./4780" [pid 296] <... rmdir resumed>) = 0 [pid 5938] <... chdir resumed>) = 0 [pid 296] mkdir("./4809", 0777 [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 5938] setpgid(0, 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5938] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5939 attached [pid 5939] set_robust_list(0x5555568776a0, 24 [pid 5938] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14204 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5939] chdir("./4809" [pid 5938] <... symlink resumed>) = 0 [pid 5939] <... chdir resumed>) = 0 [pid 5938] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5939] setpgid(0, 0) = 0 [pid 5939] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5938] <... symlink resumed>) = 0 [pid 5939] <... symlink resumed>) = 0 [pid 5938] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5939] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5938] <... symlink resumed>) = 0 [pid 5939] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5939] <... symlink resumed>) = 0 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] <... openat resumed>) = 3 [pid 5939] <... openat resumed>) = 3 [pid 5938] write(3, "1000", 4 [pid 5939] write(3, "1000", 4 [pid 5938] <... write resumed>) = 4 [pid 5939] <... write resumed>) = 4 [pid 5939] close(3 [pid 5938] close(3 [pid 5939] <... close resumed>) = 0 [pid 5938] <... close resumed>) = 0 [pid 5936] <... bpf resumed>) = 5 [pid 5933] <... bpf resumed>) = 5 [pid 5932] <... bpf resumed>) = 5 [pid 5939] symlink("/dev/binderfs", "./binderfs" [pid 5938] symlink("/dev/binderfs", "./binderfs" [pid 5936] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... symlink resumed>) = 0 [pid 5938] <... symlink resumed>) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5934] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = 1 [pid 5932] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5939] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] close(3 [pid 5933] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] close(3 [pid 5930] close(3 [pid 5939] <... futex resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5934] <... close resumed>) = 0 [pid 5931] <... close resumed>) = 0 [pid 5930] <... close resumed>) = 0 [pid 5939] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5938] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5934] close(4 [pid 5931] close(4 [pid 5930] close(4 [pid 5939] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5938] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5934] <... close resumed>) = 0 [pid 5931] <... close resumed>) = 0 [pid 5930] <... close resumed>) = 0 [pid 5939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5934] close(5 [pid 5931] close(5 [pid 5930] close(5 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] <... close resumed>) = 0 [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5934] close(6 [pid 5939] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5938] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5938] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5934] close(7 [pid 5939] <... mprotect resumed>) = 0 [pid 5938] <... mprotect resumed>) = 0 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5934] close(8 [pid 5939] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5934] close(9./strace-static-x86_64: Process 5940 attached [pid 5938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5941 attached [pid 5940] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5939] <... clone3 resumed> => {parent_tid=[14205]}, 88) = 14205 [pid 5934] close(10 [pid 5941] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5938] <... clone3 resumed> => {parent_tid=[14100]}, 88) = 14100 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... set_robust_list resumed>) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5934] close(11 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5939] <... futex resumed>) = 0 [pid 5938] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] close(12 [pid 5941] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5940] <... bpf resumed>) = 3 [pid 5939] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... futex resumed>) = 0 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... bpf resumed>) = 3 [pid 5940] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] close(13 [pid 5941] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5939] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... futex resumed>) = 0 [pid 5940] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5939] <... futex resumed>) = 0 [pid 5938] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] close(14 [pid 5941] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5939] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... bpf resumed>) = 0 [pid 5940] <... bpf resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5934] close(15 [pid 5941] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5938] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5938] <... futex resumed>) = 0 [pid 5934] close(16 [pid 5941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5940] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5938] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... bpf resumed>) = 4 [pid 5939] <... mprotect resumed>) = 0 [pid 5934] close(17 [pid 5941] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... futex resumed>) = 0 [pid 5939] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5934] close(18 [pid 5941] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5942 attached [pid 5938] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] close(19 [pid 5942] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5941] <... futex resumed>) = 0 [pid 5939] <... clone3 resumed> => {parent_tid=[14206]}, 88) = 14206 [pid 5938] <... futex resumed>) = 1 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... set_robust_list resumed>) = 0 [pid 5941] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5938] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5934] close(20 [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] close(21 [pid 5942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5939] <... futex resumed>) = 0 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] close(22) = -1 EBADF (Bad file descriptor) [pid 5934] close(23) = -1 EBADF (Bad file descriptor) [pid 5934] close(24) = -1 EBADF (Bad file descriptor) [pid 5934] close(25 [pid 5942] <... bpf resumed>) = 4 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] close(26 [pid 5942] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] close(27 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5940] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5939] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5934] close(28) = -1 EBADF (Bad file descriptor) [pid 5934] close(29) = -1 EBADF (Bad file descriptor) [pid 5934] exit_group(0 [pid 5937] <... futex resumed>) = ? [pid 5936] <... futex resumed>) = ? [pid 5934] <... exit_group resumed>) = ? [pid 5937] +++ exited with 0 +++ [pid 5936] +++ exited with 0 +++ [pid 5934] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./4841", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4841", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4841/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4841/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4841/cgroup.cpu") = 0 [pid 297] umount2("./4841/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4841/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4841/binderfs") = 0 [pid 297] umount2("./4841/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4841/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4841/cgroup") = 0 [pid 297] umount2("./4841/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4841/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4841/cgroup.net") = 0 [pid 297] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./4841") = 0 [pid 297] mkdir("./4842", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached [pid 5943] set_robust_list(0x5555568776a0, 24) = 0 [pid 5943] chdir("./4842" [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14280 [pid 5943] <... chdir resumed>) = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5943] setpgid(0, 0) = 0 [pid 5931] <... close resumed>) = 0 [pid 5930] <... close resumed>) = 0 [pid 5943] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5931] close(6 [pid 5930] close(6 [pid 5943] <... symlink resumed>) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5931] close(7 [pid 5930] close(7 [pid 5943] <... symlink resumed>) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5931] close(8 [pid 5930] close(8 [pid 5943] <... symlink resumed>) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5931] close(9 [pid 5930] close(9 [pid 5943] <... openat resumed>) = 3 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] write(3, "1000", 4 [pid 5931] close(10 [pid 5930] close(10 [pid 5943] <... write resumed>) = 4 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(3 [pid 5931] close(11 [pid 5930] close(11 [pid 5943] <... close resumed>) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] symlink("/dev/binderfs", "./binderfs" [pid 5931] close(12 [pid 5930] close(12 [pid 5943] <... symlink resumed>) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] close(13 [pid 5930] close(13 [pid 5943] <... futex resumed>) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5931] close(14 [pid 5930] close(14 [pid 5943] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5931] close(15 [pid 5930] close(15 [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5931] close(16 [pid 5930] close(16 [pid 5943] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5931] close(17 [pid 5930] close(17 [pid 5943] <... mprotect resumed>) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5931] close(18 [pid 5930] close(18 [pid 5943] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5931] close(19 [pid 5930] close(19./strace-static-x86_64: Process 5944 attached [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5943] <... clone3 resumed> => {parent_tid=[14281]}, 88) = 14281 [pid 5931] close(20 [pid 5930] close(20 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] close(21 [pid 5930] close(21 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5943] <... futex resumed>) = 0 [pid 5931] close(22 [pid 5930] close(22 [pid 5944] <... bpf resumed>) = 3 [pid 5943] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5931] close(23 [pid 5930] close(23 [pid 5944] <... futex resumed>) = 0 [pid 5943] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5943] <... futex resumed>) = 0 [pid 5931] close(24 [pid 5930] close(24 [pid 5943] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] <... futex resumed>) = 0 [pid 5930] close(25 [pid 5944] <... bpf resumed>) = 0 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5931] close(25 [pid 5930] close(26 [pid 5944] <... futex resumed>) = 0 [pid 5943] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] <... mprotect resumed>) = 0 [pid 5931] close(26 [pid 5930] close(27 [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5931] close(27 [pid 5930] close(28 [pid 5943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5945 attached [pid 5931] close(28 [pid 5930] close(29 [pid 5945] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5943] <... clone3 resumed> => {parent_tid=[14282]}, 88) = 14282 [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... set_robust_list resumed>) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] close(29 [pid 5930] exit_group(0 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] <... futex resumed>) = ? [pid 5933] <... futex resumed>) = ? [pid 5931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... exit_group resumed>) = ? [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] +++ exited with 0 +++ [pid 5933] +++ exited with 0 +++ [pid 5931] exit_group(0 [pid 5930] +++ exited with 0 +++ [pid 5945] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5931] <... exit_group resumed>) = ? [pid 5932] <... futex resumed>) = ? [pid 5943] <... futex resumed>) = 0 [pid 5943] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... bpf resumed>) = 4 [pid 5932] +++ exited with 0 +++ [pid 5931] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5945] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 5945] <... futex resumed>) = 1 [pid 294] <... restart_syscall resumed>) = 0 [pid 5945] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5943] <... futex resumed>) = 0 [pid 294] umount2("./4730", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... restart_syscall resumed>) = 0 [pid 294] openat(AT_FDCWD, "./4730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5943] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 5943] <... futex resumed>) = 1 [pid 294] newfstatat(3, "", [pid 5944] <... futex resumed>) = 0 [pid 5943] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] umount2("./4667", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5944] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 294] getdents64(3, [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] openat(AT_FDCWD, "./4667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] umount2("./4730/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... openat resumed>) = 3 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] newfstatat(AT_FDCWD, "./4730/cgroup.cpu", [pid 293] getdents64(3, [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] unlink("./4730/cgroup.cpu" [pid 293] umount2("./4667/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4730/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4667/cgroup.cpu", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4730/binderfs", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4667/cgroup.cpu" [pid 294] unlink("./4730/binderfs" [pid 293] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 294] umount2("./4730/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4667/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4730/cgroup", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4730/cgroup" [pid 293] newfstatat(AT_FDCWD, "./4667/binderfs", [pid 294] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4730/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4667/binderfs" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4730/cgroup.net", [pid 293] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4667/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4730/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4667/cgroup", [pid 294] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] unlink("./4667/cgroup" [pid 294] close(3 [pid 293] <... unlink resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 293] umount2("./4667/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] rmdir("./4730" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... rmdir resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4667/cgroup.net", [pid 294] mkdir("./4731", 0777 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 293] unlink("./4667/cgroup.net" [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5946 attached [pid 293] getdents64(3, [pid 5946] set_robust_list(0x5555568776a0, 24 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13930 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5946] chdir("./4731" [pid 293] close(3 [pid 5946] <... chdir resumed>) = 0 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... close resumed>) = 0 [pid 5946] <... prctl resumed>) = 0 [pid 293] rmdir("./4667" [pid 5946] setpgid(0, 0) = 0 [pid 5946] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 293] <... rmdir resumed>) = 0 [pid 5946] <... symlink resumed>) = 0 [pid 293] mkdir("./4668", 0777 [pid 5946] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5946] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 293] <... mkdir resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5946] <... openat resumed>) = 3 [pid 5941] <... bpf resumed>) = 5 [pid 5946] write(3, "1000", 4 [pid 5944] <... bpf resumed>) = 5 [pid 5940] <... bpf resumed>) = 5 [pid 5946] <... write resumed>) = 4 [pid 5946] close(3) = 0 [pid 5946] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5947 attached ) = 0 [pid 5944] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] set_robust_list(0x5555568776a0, 24 [pid 5946] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13766 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5944] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] close(3 [pid 5941] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] close(3 [pid 5938] close(3 [pid 5947] chdir("./4668" [pid 5946] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5943] <... close resumed>) = 0 [pid 5939] <... close resumed>) = 0 [pid 5938] <... close resumed>) = 0 [pid 5947] <... chdir resumed>) = 0 [pid 5946] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5943] close(4 [pid 5939] close(4 [pid 5938] close(4 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5943] <... close resumed>) = 0 [pid 5939] <... close resumed>) = 0 [pid 5947] <... prctl resumed>) = 0 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] close(5 [pid 5939] close(5 [pid 5938] <... close resumed>) = 0 [pid 5947] setpgid(0, 0 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5943] <... close resumed>) = 0 [pid 5939] <... close resumed>) = 0 [pid 5938] close(5 [pid 5947] <... setpgid resumed>) = 0 [pid 5946] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5943] close(6 [pid 5939] close(6 [pid 5947] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5946] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = 0 [pid 5947] <... symlink resumed>) = 0 [pid 5946] <... mprotect resumed>) = 0 [pid 5943] close(7 [pid 5939] close(7 [pid 5938] close(6 [pid 5947] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5946] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... symlink resumed>) = 0 [pid 5946] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5943] close(8 [pid 5939] close(8 [pid 5938] close(7 [pid 5947] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5948 attached [pid 5947] <... symlink resumed>) = 0 [pid 5943] close(9 [pid 5939] close(9 [pid 5938] close(8 [pid 5948] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] <... clone3 resumed> => {parent_tid=[13931]}, 88) = 13931 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] <... set_robust_list resumed>) = 0 [pid 5947] <... openat resumed>) = 3 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] close(10 [pid 5939] close(10 [pid 5938] close(9 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] write(3, "1000", 4 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... write resumed>) = 4 [pid 5946] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] close(11 [pid 5939] close(11 [pid 5938] close(10 [pid 5948] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5947] close(3 [pid 5946] <... futex resumed>) = 0 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] <... bpf resumed>) = 3 [pid 5947] <... close resumed>) = 0 [pid 5946] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] close(12 [pid 5939] close(12 [pid 5938] close(11 [pid 5948] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] symlink("/dev/binderfs", "./binderfs" [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] <... futex resumed>) = 0 [pid 5947] <... symlink resumed>) = 0 [pid 5946] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] close(13 [pid 5939] close(13 [pid 5938] close(12 [pid 5948] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5947] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = 0 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... futex resumed>) = 0 [pid 5946] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... bpf resumed>) = 0 [pid 5947] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5946] <... futex resumed>) = 0 [pid 5943] close(14 [pid 5939] close(14 [pid 5938] close(13 [pid 5948] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] <... futex resumed>) = 0 [pid 5947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5946] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5943] close(15 [pid 5939] close(15 [pid 5938] close(14 [pid 5948] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5946] <... mprotect resumed>) = 0 [pid 5943] close(16 [pid 5939] close(16 [pid 5938] close(15 [pid 5947] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5946] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5946] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5943] close(17 [pid 5939] close(17 [pid 5938] close(16 [pid 5947] <... mprotect resumed>) = 0 [pid 5946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5949 attached [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5943] close(18 [pid 5939] close(18 [pid 5938] close(17 [pid 5949] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] <... set_robust_list resumed>) = 0 [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5946] <... clone3 resumed> => {parent_tid=[13932]}, 88) = 13932 [pid 5943] close(19 [pid 5939] close(19 [pid 5938] close(18./strace-static-x86_64: Process 5950 attached [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... clone3 resumed> => {parent_tid=[13767]}, 88) = 13767 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] close(20 [pid 5939] close(20 [pid 5938] close(19 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5949] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] close(21 [pid 5939] close(21 [pid 5938] close(20 [pid 5950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5949] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5943] close(22 [pid 5939] close(22 [pid 5938] close(21 [pid 5950] <... bpf resumed>) = 3 [pid 5949] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5947] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... bpf resumed>) = 4 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] close(23 [pid 5939] close(23 [pid 5938] close(22 [pid 5950] <... futex resumed>) = 0 [pid 5949] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5949] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5943] close(24 [pid 5939] close(24 [pid 5950] <... bpf resumed>) = 0 [pid 5949] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] close(23 [pid 5950] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5943] close(25 [pid 5939] close(25 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] <... futex resumed>) = 0 [pid 5948] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5946] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] close(24 [pid 5950] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5943] close(26 [pid 5939] close(26 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] close(25 [pid 5947] <... mprotect resumed>) = 0 [pid 5943] close(27 [pid 5939] close(27 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] close(26 [pid 5947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5943] close(28 [pid 5939] close(28 [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5951 attached [pid 5943] close(29 [pid 5939] close(29 [pid 5938] close(27 [pid 5951] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5951] <... set_robust_list resumed>) = 0 [pid 5943] exit_group(0 [pid 5939] exit_group(0 [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5938] close(28 [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5945] <... futex resumed>) = ? [pid 5944] <... futex resumed>) = ? [pid 5943] <... exit_group resumed>) = ? [pid 5942] <... futex resumed>) = ? [pid 5940] <... futex resumed>) = ? [pid 5939] <... exit_group resumed>) = ? [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5951] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] +++ exited with 0 +++ [pid 5944] +++ exited with 0 +++ [pid 5947] <... clone3 resumed> => {parent_tid=[13768]}, 88) = 13768 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5947] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5947] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] +++ exited with 0 +++ [pid 5942] +++ exited with 0 +++ [pid 5940] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5938] close(29 [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5938] exit_group(0 [pid 5951] <... bpf resumed>) = 4 [pid 5948] <... bpf resumed>) = 5 [pid 5941] <... futex resumed>) = ? [pid 5938] <... exit_group resumed>) = ? [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./4842", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5941] +++ exited with 0 +++ [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5951] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] +++ exited with 0 +++ [pid 297] openat(AT_FDCWD, "./4842", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] umount2("./4809", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5951] <... futex resumed>) = 1 [pid 5948] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5951] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] close(3 [pid 297] newfstatat(3, "", [pid 296] openat(AT_FDCWD, "./4809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5950] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 1 [pid 5946] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... openat resumed>) = 3 [pid 5950] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5947] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5946] close(4 [pid 297] getdents64(3, [pid 296] newfstatat(3, "", [pid 295] <... restart_syscall resumed>) = 0 [pid 5950] <... bpf resumed>) = 5 [pid 5946] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5950] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] close(5 [pid 297] umount2("./4842/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 5950] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5950] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] close(3 [pid 297] newfstatat(AT_FDCWD, "./4842/cgroup.cpu", [pid 296] umount2("./4809/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4780", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5947] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5947] close(4 [pid 297] unlink("./4842/cgroup.cpu" [pid 296] newfstatat(AT_FDCWD, "./4809/cgroup.cpu", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5947] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] openat(AT_FDCWD, "./4780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5947] close(5 [pid 297] umount2("./4842/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4809/cgroup.cpu" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 297] newfstatat(AT_FDCWD, "./4842/binderfs", [pid 296] umount2("./4809/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(3, "", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4842/binderfs" [pid 296] newfstatat(AT_FDCWD, "./4809/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 297] umount2("./4842/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4809/binderfs" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] newfstatat(AT_FDCWD, "./4842/cgroup", [pid 296] umount2("./4809/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4780/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4842/cgroup" [pid 296] newfstatat(AT_FDCWD, "./4809/cgroup", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4780/cgroup.cpu", [pid 297] umount2("./4842/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4809/cgroup" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./4842/cgroup.net", [pid 296] umount2("./4809/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4780/cgroup.cpu" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4842/cgroup.net" [pid 296] newfstatat(AT_FDCWD, "./4809/cgroup.net", [pid 297] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 296] unlink("./4809/cgroup.net" [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4780/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] close(3 [pid 296] getdents64(3, [pid 297] <... close resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] rmdir("./4842" [pid 296] close(3 [pid 295] newfstatat(AT_FDCWD, "./4780/binderfs", [pid 297] <... rmdir resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 297] mkdir("./4843", 0777 [pid 296] rmdir("./4809" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] unlink("./4780/binderfs" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] mkdir("./4810", 0777./strace-static-x86_64: Process 5952 attached ) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5952] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14283 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] umount2("./4780/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5953 attached [pid 5952] <... set_robust_list resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14207 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5952] chdir("./4843" [pid 295] newfstatat(AT_FDCWD, "./4780/cgroup", [pid 5953] chdir("./4810" [pid 5952] <... chdir resumed>) = 0 [pid 5953] <... chdir resumed>) = 0 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] <... prctl resumed>) = 0 [pid 295] unlink("./4780/cgroup" [pid 5953] <... prctl resumed>) = 0 [pid 5952] setpgid(0, 0 [pid 5953] setpgid(0, 0 [pid 295] <... unlink resumed>) = 0 [pid 5952] <... setpgid resumed>) = 0 [pid 5953] <... setpgid resumed>) = 0 [pid 5952] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 295] umount2("./4780/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5953] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5952] <... symlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4780/cgroup.net", [pid 5953] <... symlink resumed>) = 0 [pid 5953] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5952] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5953] <... symlink resumed>) = 0 [pid 295] unlink("./4780/cgroup.net" [pid 5952] <... symlink resumed>) = 0 [pid 5953] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5952] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 295] <... unlink resumed>) = 0 [pid 5953] <... symlink resumed>) = 0 [pid 295] getdents64(3, [pid 5952] <... symlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] close(3 [pid 5953] <... openat resumed>) = 3 [pid 295] <... close resumed>) = 0 [pid 5952] <... openat resumed>) = 3 [pid 295] rmdir("./4780" [pid 5953] write(3, "1000", 4 [pid 5952] write(3, "1000", 4 [pid 295] <... rmdir resumed>) = 0 [pid 5953] <... write resumed>) = 4 [pid 5952] <... write resumed>) = 4 [pid 295] mkdir("./4781", 0777 [pid 5953] close(3 [pid 5952] close(3 [pid 295] <... mkdir resumed>) = 0 [pid 5952] <... close resumed>) = 0 [pid 5953] <... close resumed>) = 0 [pid 5952] symlink("/dev/binderfs", "./binderfs" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5953] symlink("/dev/binderfs", "./binderfs" [pid 5952] <... symlink resumed>) = 0 [pid 5953] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5954 attached [pid 5953] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] set_robust_list(0x5555568776a0, 24 [pid 5953] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14101 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5953] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5952] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5954] chdir("./4781" [pid 5953] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5952] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5954] <... chdir resumed>) = 0 [pid 5953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] <... prctl resumed>) = 0 [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5954] setpgid(0, 0 [pid 5953] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5952] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5954] <... setpgid resumed>) = 0 [pid 5953] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5952] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5954] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5953] <... mprotect resumed>) = 0 [pid 5952] <... mprotect resumed>) = 0 [pid 5954] <... symlink resumed>) = 0 [pid 5954] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5954] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5953] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5954] <... symlink resumed>) = 0 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5955 attached [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5956 attached [pid 5955] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5954] <... openat resumed>) = 3 [pid 5946] <... close resumed>) = 0 [pid 5956] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5955] <... set_robust_list resumed>) = 0 [pid 5954] write(3, "1000", 4 [pid 5953] <... clone3 resumed> => {parent_tid=[14208]}, 88) = 14208 [pid 5952] <... clone3 resumed> => {parent_tid=[14284]}, 88) = 14284 [pid 5947] <... close resumed>) = 0 [pid 5946] close(6 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] <... write resumed>) = 4 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] close(6 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] close(3 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(7 [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] <... close resumed>) = 0 [pid 5953] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] close(7 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] symlink("/dev/binderfs", "./binderfs" [pid 5953] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(8 [pid 5956] <... bpf resumed>) = 3 [pid 5955] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5954] <... symlink resumed>) = 0 [pid 5953] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] close(8 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... bpf resumed>) = 3 [pid 5954] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(9 [pid 5956] <... futex resumed>) = 0 [pid 5955] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 0 [pid 5952] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] close(9 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5955] <... futex resumed>) = 1 [pid 5954] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5953] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(10 [pid 5956] <... bpf resumed>) = 0 [pid 5955] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5953] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] close(10 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5953] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(11 [pid 5956] <... futex resumed>) = 0 [pid 5955] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5947] close(11 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] <... bpf resumed>) = 0 [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] <... futex resumed>) = 0 [pid 5952] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(12 [pid 5955] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5952] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5947] close(12 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5955] <... futex resumed>) = 0 [pid 5954] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5953] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5952] <... mprotect resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(13 [pid 5955] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] <... mprotect resumed>) = 0 [pid 5953] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5947] close(13 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5953] <... mprotect resumed>) = 0 [pid 5952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(14 [pid 5954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5947] close(14 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5957 attached [pid 5954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5953] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(15./strace-static-x86_64: Process 5958 attached [pid 5957] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5952] <... clone3 resumed> => {parent_tid=[14285]}, 88) = 14285 [pid 5947] close(15 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5954] <... clone3 resumed> => {parent_tid=[14102]}, 88) = 14102 ./strace-static-x86_64: Process 5959 attached [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(16 [pid 5959] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] <... clone3 resumed> => {parent_tid=[14209]}, 88) = 14209 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] close(16 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] <... set_robust_list resumed>) = 0 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(17 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] <... futex resumed>) = 0 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5947] close(17 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] <... bpf resumed>) = 3 [pid 5957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5954] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(18 [pid 5959] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5958] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... bpf resumed>) = 4 [pid 5958] <... futex resumed>) = 0 [pid 5957] <... bpf resumed>) = 4 [pid 5954] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = 0 [pid 5947] close(18 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5957] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 0 [pid 5953] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(19 [pid 5959] <... futex resumed>) = 0 [pid 5958] <... bpf resumed>) = 0 [pid 5954] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5957] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5947] close(19 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] <... futex resumed>) = 0 [pid 5953] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(20 [pid 5958] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 1 [pid 5947] close(20 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5955] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5954] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5953] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5952] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(21 [pid 5954] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5947] close(21 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... mprotect resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(22 [pid 5954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5947] close(22 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(23 [pid 5954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5947] close(23 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5960 attached [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(24 [pid 5960] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5947] close(24 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... set_robust_list resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(25 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] close(25 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(26 [pid 5947] close(26 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(27 [pid 5954] <... clone3 resumed> => {parent_tid=[14103]}, 88) = 14103 [pid 5947] close(27 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] close(28 [pid 5946] close(28 [pid 5954] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... futex resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5947] close(29 [pid 5946] close(29 [pid 5960] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5954] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... bpf resumed>) = 4 [pid 5947] exit_group(0 [pid 5960] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] exit_group(0 [pid 5950] <... futex resumed>) = 231 [pid 5960] <... futex resumed>) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5951] <... futex resumed>) = ? [pid 5950] +++ exited with 0 +++ [pid 5949] <... futex resumed>) = ? [pid 5948] <... futex resumed>) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5946] <... exit_group resumed>) = ? [pid 5960] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5948] +++ exited with 0 +++ [pid 5954] <... futex resumed>) = 1 [pid 5954] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5947] +++ exited with 0 +++ [pid 5958] <... futex resumed>) = 0 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5946] +++ exited with 0 +++ [pid 5958] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... restart_syscall resumed>) = 0 [pid 293] umount2("./4668", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... restart_syscall resumed>) = 0 [pid 5956] <... bpf resumed>) = 5 [pid 293] <... openat resumed>) = 3 [pid 294] umount2("./4731", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5958] <... bpf resumed>) = 5 [pid 5955] <... bpf resumed>) = 5 [pid 5956] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] newfstatat(3, "", [pid 5958] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5958] <... futex resumed>) = 1 [pid 5956] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5953] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "./4731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5958] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] close(3 [pid 5953] close(3 [pid 5952] close(3 [pid 294] <... openat resumed>) = 3 [pid 293] getdents64(3, [pid 5954] <... close resumed>) = 0 [pid 5953] <... close resumed>) = 0 [pid 5952] <... close resumed>) = 0 [pid 294] newfstatat(3, "", [pid 5954] close(4 [pid 5953] close(4 [pid 5952] close(4 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5954] <... close resumed>) = 0 [pid 5953] <... close resumed>) = 0 [pid 5952] <... close resumed>) = 0 [pid 294] getdents64(3, [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5954] close(5 [pid 5953] close(5 [pid 5952] close(5 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4668/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] <... close resumed>) = 0 [pid 5953] <... close resumed>) = 0 [pid 5952] <... close resumed>) = 0 [pid 294] umount2("./4731/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] close(6 [pid 5953] close(6 [pid 5952] close(6 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4668/cgroup.cpu", [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4731/cgroup.cpu", [pid 5954] close(7 [pid 5953] close(7 [pid 5952] close(7 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4731/cgroup.cpu" [pid 293] unlink("./4668/cgroup.cpu" [pid 5954] close(8 [pid 5953] close(8 [pid 5952] close(8 [pid 294] <... unlink resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4731/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] close(9 [pid 5953] close(9 [pid 5952] close(9 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4731/binderfs", [pid 5954] close(10 [pid 5953] close(10 [pid 5952] close(10 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4668/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4731/binderfs" [pid 5954] close(11 [pid 5953] close(11 [pid 5952] close(11 [pid 294] <... unlink resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4731/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] close(12 [pid 5953] close(12 [pid 5952] close(12 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4731/cgroup", [pid 293] newfstatat(AT_FDCWD, "./4668/binderfs", [pid 5954] close(13 [pid 5953] close(13 [pid 5952] close(13 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4731/cgroup" [pid 293] unlink("./4668/binderfs" [pid 5954] close(14 [pid 5953] close(14 [pid 5952] close(14 [pid 294] <... unlink resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4731/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 5954] close(15 [pid 5953] close(15 [pid 5952] close(15 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4731/cgroup.net", [pid 293] umount2("./4668/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] close(16 [pid 5953] close(16 [pid 5952] close(16 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4731/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] close(17 [pid 5953] close(17 [pid 5952] close(17 [pid 294] <... unlink resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] getdents64(3, [pid 5954] close(18 [pid 5953] close(18 [pid 5952] close(18 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] newfstatat(AT_FDCWD, "./4668/cgroup", [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] close(3 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5954] close(19 [pid 5953] close(19 [pid 5952] close(19 [pid 294] <... close resumed>) = 0 [pid 293] unlink("./4668/cgroup" [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] rmdir("./4731" [pid 5954] close(20 [pid 5953] close(20 [pid 5952] close(20 [pid 294] <... rmdir resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] mkdir("./4732", 0777 [pid 293] umount2("./4668/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] close(21 [pid 5953] close(21 [pid 5952] close(21 [pid 294] <... mkdir resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5961 attached [pid 5954] close(22 [pid 5953] close(22 [pid 5952] close(22 [pid 293] newfstatat(AT_FDCWD, "./4668/cgroup.net", [pid 5961] set_robust_list(0x5555568776a0, 24 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13933 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5954] close(23 [pid 5953] close(23 [pid 5952] close(23 [pid 293] unlink("./4668/cgroup.net" [pid 5961] chdir("./4732" [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... chdir resumed>) = 0 [pid 5954] close(24 [pid 5953] close(24 [pid 5952] close(24 [pid 293] <... unlink resumed>) = 0 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] getdents64(3, [pid 5961] <... prctl resumed>) = 0 [pid 5954] close(25 [pid 5953] close(25 [pid 5952] close(25 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] setpgid(0, 0 [pid 5954] close(26 [pid 5953] close(26 [pid 5952] close(26 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5961] <... setpgid resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] close(3 [pid 5954] close(27 [pid 5953] close(27 [pid 5952] close(27 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5954] close(28 [pid 5953] close(28 [pid 5952] close(28 [pid 293] <... close resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... symlink resumed>) = 0 [pid 5954] close(29 [pid 5953] close(29 [pid 5952] close(29 [pid 293] rmdir("./4668" [pid 5961] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] exit_group(0 [pid 5953] exit_group(0 [pid 5952] exit_group(0 [pid 293] <... rmdir resumed>) = 0 [pid 5961] <... symlink resumed>) = 0 [pid 5960] <... futex resumed>) = ? [pid 5959] <... futex resumed>) = ? [pid 5958] <... futex resumed>) = ? [pid 5957] <... futex resumed>) = ? [pid 5956] <... futex resumed>) = ? [pid 5955] <... futex resumed>) = ? [pid 5954] <... exit_group resumed>) = ? [pid 5953] <... exit_group resumed>) = ? [pid 5952] <... exit_group resumed>) = ? [pid 293] mkdir("./4669", 0777 [pid 5961] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5960] +++ exited with 0 +++ [pid 5959] +++ exited with 0 +++ [pid 5958] +++ exited with 0 +++ [pid 5957] +++ exited with 0 +++ [pid 5956] +++ exited with 0 +++ [pid 5955] +++ exited with 0 +++ [pid 5954] +++ exited with 0 +++ [pid 5953] +++ exited with 0 +++ [pid 5952] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] <... mkdir resumed>) = 0 [pid 5961] <... symlink resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] umount2("./4810", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4781", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./4781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5962 attached [pid 296] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 5962] set_robust_list(0x5555568776a0, 24 [pid 5961] <... openat resumed>) = 3 [pid 297] umount2("./4843", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13769 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] write(3, "1000", 4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5962] chdir("./4669" [pid 5961] <... write resumed>) = 4 [pid 297] openat(AT_FDCWD, "./4843", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 5962] <... chdir resumed>) = 0 [pid 5961] close(3 [pid 297] <... openat resumed>) = 3 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5961] <... close resumed>) = 0 [pid 297] newfstatat(3, "", [pid 296] umount2("./4810/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4781/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5962] <... prctl resumed>) = 0 [pid 5961] symlink("/dev/binderfs", "./binderfs" [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] setpgid(0, 0 [pid 296] newfstatat(AT_FDCWD, "./4810/cgroup.cpu", [pid 295] newfstatat(AT_FDCWD, "./4781/cgroup.cpu", [pid 5962] <... setpgid resumed>) = 0 [pid 5961] <... symlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5962] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5961] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] getdents64(3, [pid 296] unlink("./4810/cgroup.cpu" [pid 295] unlink("./4781/cgroup.cpu" [pid 5962] <... symlink resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5962] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5961] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 297] umount2("./4843/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4810/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4781/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5962] <... symlink resumed>) = 0 [pid 5961] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 297] newfstatat(AT_FDCWD, "./4843/cgroup.cpu", [pid 296] newfstatat(AT_FDCWD, "./4810/binderfs", [pid 295] newfstatat(AT_FDCWD, "./4781/binderfs", [pid 5962] <... symlink resumed>) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] unlink("./4843/cgroup.cpu" [pid 296] unlink("./4810/binderfs" [pid 295] unlink("./4781/binderfs" [pid 5962] <... openat resumed>) = 3 [pid 5961] <... mmap resumed>) = 0x7fd4ce11b000 [pid 297] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5962] write(3, "1000", 4 [pid 5961] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 297] umount2("./4843/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4810/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4781/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5962] <... write resumed>) = 4 [pid 5961] <... mprotect resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] close(3 [pid 297] newfstatat(AT_FDCWD, "./4843/binderfs", [pid 296] newfstatat(AT_FDCWD, "./4810/cgroup", [pid 295] newfstatat(AT_FDCWD, "./4781/cgroup", [pid 5962] <... close resumed>) = 0 [pid 5961] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5962] symlink("/dev/binderfs", "./binderfs" [pid 5961] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] unlink("./4843/binderfs" [pid 296] unlink("./4810/cgroup" [pid 295] unlink("./4781/cgroup" [pid 5962] <... symlink resumed>) = 0 [pid 5961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 297] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5963 attached [pid 5962] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4843/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4810/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4781/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5962] <... futex resumed>) = 0 [pid 5961] <... clone3 resumed> => {parent_tid=[13934]}, 88) = 13934 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] <... set_robust_list resumed>) = 0 [pid 5962] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 297] newfstatat(AT_FDCWD, "./4843/cgroup", [pid 296] newfstatat(AT_FDCWD, "./4810/cgroup.net", [pid 295] newfstatat(AT_FDCWD, "./4781/cgroup.net", [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5962] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5961] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4843/cgroup" [pid 296] unlink("./4810/cgroup.net" [pid 295] unlink("./4781/cgroup.net" [pid 5963] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 5963] <... bpf resumed>) = 3 [pid 5962] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5961] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] umount2("./4843/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5963] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] close(3 [pid 295] close(3 [pid 5963] <... futex resumed>) = 0 [pid 5962] <... mprotect resumed>) = 0 [pid 5961] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] newfstatat(AT_FDCWD, "./4843/cgroup.net", [pid 296] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 5963] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5962] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5961] <... futex resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] rmdir("./4810" [pid 295] rmdir("./4781" [pid 5963] <... bpf resumed>) = 0 [pid 5962] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5961] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4843/cgroup.net" [pid 296] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 5963] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5961] <... futex resumed>) = 0 [pid 296] mkdir("./4811", 0777 [pid 295] mkdir("./4782", 0777./strace-static-x86_64: Process 5964 attached [pid 5963] <... futex resumed>) = 0 [pid 5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] <... unlink resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 5964] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5963] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] <... clone3 resumed> => {parent_tid=[13770]}, 88) = 13770 [pid 5961] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 297] getdents64(3, [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5965 attached ./strace-static-x86_64: Process 5966 attached [pid 5964] <... set_robust_list resumed>) = 0 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5966] set_robust_list(0x5555568776a0, 24 [pid 5965] set_robust_list(0x5555568776a0, 24 [pid 5964] rt_sigprocmask(SIG_SETMASK, [], [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] <... mprotect resumed>) = 0 [pid 297] close(3 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14210 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14104 [pid 5966] <... set_robust_list resumed>) = 0 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... close resumed>) = 0 [pid 5962] <... futex resumed>) = 0 [pid 5966] chdir("./4782" [pid 5962] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] chdir("./4811" [pid 5966] <... chdir resumed>) = 0 [pid 5965] <... chdir resumed>) = 0 [pid 5964] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5961] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] rmdir("./4843" [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5964] <... bpf resumed>) = 3 [pid 5961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5967 attached [pid 5966] <... prctl resumed>) = 0 [pid 5965] <... prctl resumed>) = 0 [pid 5964] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... rmdir resumed>) = 0 [pid 5967] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5966] setpgid(0, 0 [pid 5965] setpgid(0, 0 [pid 5964] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5961] <... clone3 resumed> => {parent_tid=[13935]}, 88) = 13935 [pid 297] mkdir("./4844", 0777 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5966] <... setpgid resumed>) = 0 [pid 5965] <... setpgid resumed>) = 0 [pid 5964] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5967] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] <... futex resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5962] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5964] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5962] <... futex resumed>) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] <... symlink resumed>) = 0 [pid 5962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5965] <... symlink resumed>) = 0 [pid 5962] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5961] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5964] <... bpf resumed>) = 0 [pid 5962] <... mprotect resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5966] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5965] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5964] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5961] <... futex resumed>) = 1 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5962] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5968 attached [pid 5967] <... bpf resumed>) = 4 [pid 5966] <... symlink resumed>) = 0 [pid 5965] <... symlink resumed>) = 0 [pid 5964] <... futex resumed>) = 0 [pid 5962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5961] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5969 attached [pid 5968] set_robust_list(0x5555568776a0, 24 [pid 5967] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5965] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5964] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14286 [pid 5969] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5966] <... symlink resumed>) = 0 [pid 5962] <... clone3 resumed> => {parent_tid=[13771]}, 88) = 13771 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5968] chdir("./4844" [pid 5967] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5965] <... symlink resumed>) = 0 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... chdir resumed>) = 0 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] <... openat resumed>) = 3 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5961] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 0 [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] <... prctl resumed>) = 0 [pid 5966] write(3, "1000", 4 [pid 5962] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5968] setpgid(0, 0 [pid 5966] <... write resumed>) = 4 [pid 5965] <... openat resumed>) = 3 [pid 5963] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5961] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5968] <... setpgid resumed>) = 0 [pid 5962] <... futex resumed>) = 0 [pid 5968] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5969] <... bpf resumed>) = 4 [pid 5968] <... symlink resumed>) = 0 [pid 5966] close(3 [pid 5965] write(3, "1000", 4 [pid 5962] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5966] <... close resumed>) = 0 [pid 5965] <... write resumed>) = 4 [pid 5963] <... bpf resumed>) = 5 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5968] <... symlink resumed>) = 0 [pid 5966] symlink("/dev/binderfs", "./binderfs" [pid 5965] close(3 [pid 5963] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5966] <... symlink resumed>) = 0 [pid 5964] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5965] <... close resumed>) = 0 [pid 5968] <... symlink resumed>) = 0 [pid 5966] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5963] <... futex resumed>) = 1 [pid 5962] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5961] <... futex resumed>) = 0 [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] <... futex resumed>) = 0 [pid 5965] symlink("/dev/binderfs", "./binderfs" [pid 5964] <... bpf resumed>) = 5 [pid 5963] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] close(3 [pid 5968] <... openat resumed>) = 3 [pid 5966] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5964] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] write(3, "1000", 4 [pid 5964] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5968] <... write resumed>) = 4 [pid 5965] <... symlink resumed>) = 0 [pid 5964] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] close(3 [pid 5961] <... close resumed>) = 0 [pid 5968] close(3 [pid 5966] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5965] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... close resumed>) = 0 [pid 5961] close(4 [pid 5968] <... close resumed>) = 0 [pid 5966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5962] close(4 [pid 5961] <... close resumed>) = 0 [pid 5968] symlink("/dev/binderfs", "./binderfs" [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5962] <... close resumed>) = 0 [pid 5961] close(5 [pid 5968] <... symlink resumed>) = 0 [pid 5966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5965] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5962] close(5 [pid 5968] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5965] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5966] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5968] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5968] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5966] <... mprotect resumed>) = 0 [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5966] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5968] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5966] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5965] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5965] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5971 attached ./strace-static-x86_64: Process 5970 attached [pid 5965] <... mprotect resumed>) = 0 [pid 5971] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5970] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5968] <... clone3 resumed> => {parent_tid=[14287]}, 88) = 14287 [pid 5966] <... clone3 resumed> => {parent_tid=[14105]}, 88) = 14105 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5971] rt_sigprocmask(SIG_SETMASK, [], [pid 5970] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... futex resumed>) = 0 [pid 5971] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5971] <... bpf resumed>) = 3 [pid 5970] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5966] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5972 attached [pid 5971] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... bpf resumed>) = 3 [pid 5966] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5971] <... futex resumed>) = 1 [pid 5970] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... clone3 resumed> => {parent_tid=[14211]}, 88) = 14211 [pid 5972] <... set_robust_list resumed>) = 0 [pid 5971] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] <... futex resumed>) = 0 [pid 5968] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5968] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5971] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5970] <... bpf resumed>) = 0 [pid 5968] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5970] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 0 [pid 5972] <... bpf resumed>) = 3 [pid 5971] <... bpf resumed>) = 0 [pid 5970] <... futex resumed>) = 0 [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5966] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5972] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5972] <... futex resumed>) = 0 [pid 5971] <... futex resumed>) = 0 [pid 5968] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5965] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... mprotect resumed>) = 0 [pid 5966] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5966] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5966] <... mprotect resumed>) = 0 [pid 5965] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5973 attached [pid 5972] <... futex resumed>) = 0 [pid 5966] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5965] <... futex resumed>) = 1 [pid 5973] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5972] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5968] <... clone3 resumed> => {parent_tid=[14288]}, 88) = 14288 [pid 5966] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5965] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5972] <... bpf resumed>) = 0 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5965] <... futex resumed>) = 0 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5968] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5972] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5974 attached [pid 5973] <... bpf resumed>) = 4 [pid 5968] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5974] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5973] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] <... clone3 resumed> => {parent_tid=[14106]}, 88) = 14106 [pid 5965] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5968] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5965] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5973] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 1 [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] <... mprotect resumed>) = 0 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5971] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5968] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5966] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5974] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 5966] <... futex resumed>) = 0 [pid 5965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5974] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5966] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5974] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5975 attached [pid 5966] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5970] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = 1 [pid 5965] <... clone3 resumed> => {parent_tid=[14212]}, 88) = 14212 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5970] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5966] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5965] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5965] <... futex resumed>) = 0 [pid 5975] <... bpf resumed>) = 4 [pid 5975] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5965] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] <... close resumed>) = 0 [pid 5961] <... close resumed>) = 0 [pid 5975] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] close(6 [pid 5961] close(6 [pid 5965] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(7 [pid 5972] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] close(7 [pid 5972] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5965] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5962] close(8 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(9) = -1 EBADF (Bad file descriptor) [pid 5961] close(8 [pid 5962] close(10 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] close(9 [pid 5962] close(11) = -1 EBADF (Bad file descriptor) [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(12 [pid 5961] close(10 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(13 [pid 5961] close(11 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(14) = -1 EBADF (Bad file descriptor) [pid 5961] close(12 [pid 5962] close(15 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] close(13 [pid 5962] close(16 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] close(14 [pid 5962] close(17 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(18 [pid 5961] close(15 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(19 [pid 5961] close(16 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(20 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] close(17 [pid 5962] close(21 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(22 [pid 5961] close(18 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(23 [pid 5961] close(19 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(24 [pid 5961] close(20 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(25 [pid 5961] close(21 [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] close(26) = -1 EBADF (Bad file descriptor) [pid 5961] close(22 [pid 5962] close(27 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] close(23 [pid 5962] close(28 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] close(24 [pid 5962] close(29 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] close(25 [pid 5962] exit_group(0 [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... futex resumed>) = ? [pid 5964] <... futex resumed>) = ? [pid 5962] <... exit_group resumed>) = ? [pid 5961] close(26 [pid 5969] +++ exited with 0 +++ [pid 5964] +++ exited with 0 +++ [pid 5962] +++ exited with 0 +++ [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] close(27 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5961] close(28) = -1 EBADF (Bad file descriptor) [pid 293] <... restart_syscall resumed>) = 0 [pid 5961] close(29) = -1 EBADF (Bad file descriptor) [pid 5961] exit_group(0 [pid 293] umount2("./4669", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5967] <... futex resumed>) = ? [pid 5963] <... futex resumed>) = ? [pid 5961] <... exit_group resumed>) = ? [pid 5967] +++ exited with 0 +++ [pid 5963] +++ exited with 0 +++ [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] +++ exited with 0 +++ [pid 293] openat(AT_FDCWD, "./4669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] <... openat resumed>) = 3 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 293] newfstatat(3, "", [pid 294] <... restart_syscall resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, [pid 294] umount2("./4732", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4669/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] openat(AT_FDCWD, "./4732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... openat resumed>) = 3 [pid 293] newfstatat(AT_FDCWD, "./4669/cgroup.cpu", [pid 294] newfstatat(3, "", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] unlink("./4669/cgroup.cpu" [pid 294] getdents64(3, [pid 293] <... unlink resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4669/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4732/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4669/binderfs", [pid 294] newfstatat(AT_FDCWD, "./4732/cgroup.cpu", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4669/binderfs" [pid 294] unlink("./4732/cgroup.cpu" [pid 293] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 293] umount2("./4669/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4732/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4669/cgroup", [pid 294] newfstatat(AT_FDCWD, "./4732/binderfs", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4669/cgroup" [pid 294] unlink("./4732/binderfs" [pid 293] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 294] umount2("./4732/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4669/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4732/cgroup", [pid 293] newfstatat(AT_FDCWD, "./4669/cgroup.net", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4732/cgroup" [pid 293] unlink("./4669/cgroup.net" [pid 294] <... unlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 294] umount2("./4732/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] newfstatat(AT_FDCWD, "./4732/cgroup.net", [pid 293] close(3 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4732/cgroup.net" [pid 293] <... close resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 294] getdents64(3, [pid 293] rmdir("./4669" [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] close(3 [pid 293] <... rmdir resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 293] mkdir("./4670", 0777 [pid 294] rmdir("./4732" [pid 293] <... mkdir resumed>) = 0 [pid 294] <... rmdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] mkdir("./4733", 0777./strace-static-x86_64: Process 5976 attached [pid 5976] set_robust_list(0x5555568776a0, 24) = 0 [pid 5976] chdir("./4670" [pid 294] <... mkdir resumed>) = 0 [pid 5976] <... chdir resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13772 [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5976] <... prctl resumed>) = 0 [pid 5976] setpgid(0, 0) = 0 [pid 5976] symlink("/syzcgroup/unified/syz1", "./cgroup"./strace-static-x86_64: Process 5977 attached ) = 0 [pid 5977] set_robust_list(0x5555568776a0, 24 [pid 5976] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13936 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5976] <... symlink resumed>) = 0 [pid 5976] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5977] chdir("./4733" [pid 5976] <... symlink resumed>) = 0 [pid 5977] <... chdir resumed>) = 0 [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] <... openat resumed>) = 3 [pid 5976] write(3, "1000", 4 [pid 5977] <... prctl resumed>) = 0 [pid 5976] <... write resumed>) = 4 [pid 5976] close(3 [pid 5977] setpgid(0, 0 [pid 5976] <... close resumed>) = 0 [pid 5977] <... setpgid resumed>) = 0 [pid 5976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5977] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5976] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5976] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 5976] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5977] <... symlink resumed>) = 0 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5977] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 5976] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5977] <... symlink resumed>) = 0 [pid 5976] <... mprotect resumed>) = 0 [pid 5977] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5976] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 5978 attached [pid 5977] <... symlink resumed>) = 0 [pid 5978] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5976] <... clone3 resumed> => {parent_tid=[13773]}, 88) = 13773 [pid 5978] <... set_robust_list resumed>) = 0 [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5977] <... openat resumed>) = 3 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5977] write(3, "1000", 4 [pid 5976] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5977] <... write resumed>) = 4 [pid 5976] <... futex resumed>) = 0 [pid 5976] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5977] close(3 [pid 5978] <... bpf resumed>) = 3 [pid 5977] <... close resumed>) = 0 [pid 5978] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] symlink("/dev/binderfs", "./binderfs" [pid 5978] <... futex resumed>) = 1 [pid 5976] <... futex resumed>) = 0 [pid 5976] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5976] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... symlink resumed>) = 0 [pid 5976] <... futex resumed>) = 0 [pid 5978] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5977] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5976] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5978] <... bpf resumed>) = 0 [pid 5977] <... futex resumed>) = 0 [pid 5976] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5978] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5976] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5977] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 5979 attached [pid 5978] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5976] <... clone3 resumed> => {parent_tid=[13774]}, 88) = 13774 [pid 5979] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5979] <... set_robust_list resumed>) = 0 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5977] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5977] <... mprotect resumed>) = 0 [pid 5976] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5977] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5976] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... bpf resumed>) = 4 [pid 5977] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5979] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5976] <... futex resumed>) = 0 [pid 5979] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5976] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5976] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5980 attached [pid 5980] set_robust_list(0x7fd4ce13b9a0, 24) = 0 [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5971] <... bpf resumed>) = 5 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5977] <... clone3 resumed> => {parent_tid=[13937]}, 88) = 13937 [pid 5972] <... bpf resumed>) = 5 [pid 5971] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... bpf resumed>) = 5 [pid 5980] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = 1 [pid 5970] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5968] close(3 [pid 5978] <... bpf resumed>) = 5 [pid 5972] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] <... futex resumed>) = 1 [pid 5968] <... close resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5971] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] close(4 [pid 5966] close(3 [pid 5965] close(3 [pid 5978] <... futex resumed>) = 1 [pid 5977] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 0 [pid 5968] <... close resumed>) = 0 [pid 5966] <... close resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5978] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] <... futex resumed>) = 1 [pid 5976] close(3 [pid 5968] close(5 [pid 5965] <... close resumed>) = 0 [pid 5966] close(4 [pid 5980] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5977] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... close resumed>) = 0 [pid 5968] <... close resumed>) = 0 [pid 5980] <... bpf resumed>) = 3 [pid 5976] close(4 [pid 5968] close(6 [pid 5966] <... close resumed>) = 0 [pid 5965] close(4 [pid 5980] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = 0 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(5 [pid 5965] <... close resumed>) = 0 [pid 5980] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5976] close(5 [pid 5968] close(7 [pid 5980] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] <... close resumed>) = 0 [pid 5965] close(5 [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5968] close(8 [pid 5966] close(6 [pid 5980] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5977] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... bpf resumed>) = 0 [pid 5977] <... futex resumed>) = 0 [pid 5968] close(9 [pid 5966] close(7 [pid 5980] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... futex resumed>) = 0 [pid 5977] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5968] close(10 [pid 5966] close(8 [pid 5980] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... mprotect resumed>) = 0 [pid 5968] close(11) = -1 EBADF (Bad file descriptor) [pid 5966] close(9 [pid 5977] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5968] close(12 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(13 [pid 5977] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(10 [pid 5977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5968] close(14 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(15) = -1 EBADF (Bad file descriptor) [pid 5968] close(16) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5981 attached [pid 5968] close(17 [pid 5966] close(11 [pid 5981] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... clone3 resumed> => {parent_tid=[13938]}, 88) = 13938 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5968] close(18 [pid 5981] rt_sigprocmask(SIG_SETMASK, [], [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(12 [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] close(19 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] close(13 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] close(20 [pid 5981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... futex resumed>) = 0 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... bpf resumed>) = 4 [pid 5977] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] close(21 [pid 5966] close(14 [pid 5981] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... futex resumed>) = 0 [pid 5968] close(22 [pid 5981] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(15 [pid 5980] <... futex resumed>) = 0 [pid 5977] <... futex resumed>) = 1 [pid 5968] close(23 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5977] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(16 [pid 5968] close(24 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(25 [pid 5966] close(17 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(26 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(18 [pid 5968] close(27 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(28) = -1 EBADF (Bad file descriptor) [pid 5966] close(19 [pid 5968] close(29) = -1 EBADF (Bad file descriptor) [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] exit_group(0 [pid 5966] close(20 [pid 5973] <... futex resumed>) = ? [pid 5971] <... futex resumed>) = ? [pid 5968] <... exit_group resumed>) = ? [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] +++ exited with 0 +++ [pid 5971] +++ exited with 0 +++ [pid 5968] +++ exited with 0 +++ [pid 5966] close(21) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5966] close(22) = -1 EBADF (Bad file descriptor) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 5966] close(23) = -1 EBADF (Bad file descriptor) [pid 5966] close(24) = -1 EBADF (Bad file descriptor) [pid 5966] close(25) = -1 EBADF (Bad file descriptor) [pid 5966] close(26) = -1 EBADF (Bad file descriptor) [pid 297] <... restart_syscall resumed>) = 0 [pid 5966] close(27) = -1 EBADF (Bad file descriptor) [pid 5966] close(28 [pid 297] umount2("./4844", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4844", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5966] close(29 [pid 297] <... openat resumed>) = 3 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 5966] exit_group(0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5974] <... futex resumed>) = ? [pid 5970] <... futex resumed>) = ? [pid 5966] <... exit_group resumed>) = ? [pid 297] umount2("./4844/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5974] +++ exited with 0 +++ [pid 5970] +++ exited with 0 +++ [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4844/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4844/cgroup.cpu" [pid 5966] +++ exited with 0 +++ [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4844/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4844/binderfs", [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4844/binderfs") = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 297] umount2("./4844/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4844/cgroup", [pid 295] <... restart_syscall resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4844/cgroup") = 0 [pid 297] umount2("./4844/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4844/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4782", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4844/cgroup.net") = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 295] openat(AT_FDCWD, "./4782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 295] <... openat resumed>) = 3 [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./4844" [pid 295] newfstatat(3, "", [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./4845", 0777) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] getdents64(3, ./strace-static-x86_64: Process 5982 attached [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14289 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5982] set_robust_list(0x5555568776a0, 24 [pid 295] umount2("./4782/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] <... set_robust_list resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] chdir("./4845" [pid 295] newfstatat(AT_FDCWD, "./4782/cgroup.cpu", [pid 5982] <... chdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] unlink("./4782/cgroup.cpu" [pid 5982] <... prctl resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5982] setpgid(0, 0 [pid 295] umount2("./4782/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] <... setpgid resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 295] newfstatat(AT_FDCWD, "./4782/binderfs", [pid 5982] <... symlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5982] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 295] unlink("./4782/binderfs" [pid 5982] <... symlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5982] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 295] umount2("./4782/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] <... symlink resumed>) = 0 [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] <... openat resumed>) = 3 [pid 295] newfstatat(AT_FDCWD, "./4782/cgroup", [pid 5982] write(3, "1000", 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5982] <... write resumed>) = 4 [pid 295] unlink("./4782/cgroup" [pid 5982] close(3 [pid 295] <... unlink resumed>) = 0 [pid 5982] <... close resumed>) = 0 [pid 5982] symlink("/dev/binderfs", "./binderfs" [pid 295] umount2("./4782/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] <... symlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4782/cgroup.net", [pid 5982] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5982] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 295] unlink("./4782/cgroup.net" [pid 5982] <... rt_sigaction resumed>NULL, 8) = 0 [pid 295] <... unlink resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 295] getdents64(3, [pid 5982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5982] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5982] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 295] close(3 [pid 5982] <... mprotect resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] rmdir("./4782" [pid 5982] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5983 attached [pid 295] mkdir("./4783", 0777 [pid 5983] set_robust_list(0x7fd4ce13b9a0, 24) = 0 [pid 5982] <... clone3 resumed> => {parent_tid=[14290]}, 88) = 14290 [pid 5983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5983] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 295] <... mkdir resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5982] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5984 attached [pid 5983] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5976] <... close resumed>) = 0 [pid 5984] set_robust_list(0x5555568776a0, 24 [pid 5976] close(6 [pid 5965] <... close resumed>) = 0 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5983] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5982] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(6 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14107 [pid 5984] chdir("./4783" [pid 5983] <... bpf resumed>) = 3 [pid 5976] close(7 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] <... chdir resumed>) = 0 [pid 5983] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(7 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5983] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5976] close(8 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] <... prctl resumed>) = 0 [pid 5983] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(8 [pid 5984] setpgid(0, 0 [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] <... futex resumed>) = 0 [pid 5976] close(9 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] <... setpgid resumed>) = 0 [pid 5983] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5982] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(9 [pid 5984] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5976] close(10 [pid 5984] <... symlink resumed>) = 0 [pid 5983] <... bpf resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5983] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5976] close(11 [pid 5965] close(10 [pid 5984] <... symlink resumed>) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5982] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5983] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5976] close(12 [pid 5965] close(11 [pid 5984] <... symlink resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5982] <... mprotect resumed>) = 0 [pid 5976] close(13 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] <... openat resumed>) = 3 [pid 5982] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(12 [pid 5984] write(3, "1000", 4 [pid 5982] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5976] close(14 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] <... write resumed>) = 4 [pid 5982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(13 [pid 5984] close(3 [pid 5976] close(15 [pid 5984] <... close resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] symlink("/dev/binderfs", "./binderfs" [pid 5976] close(16./strace-static-x86_64: Process 5985 attached [pid 5984] <... symlink resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5985] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5984] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... clone3 resumed> => {parent_tid=[14291]}, 88) = 14291 [pid 5976] close(17 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(14 [pid 5985] rt_sigprocmask(SIG_SETMASK, [], [pid 5984] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5976] close(18 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5982] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(15 [pid 5985] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5982] <... futex resumed>) = 0 [pid 5976] close(19 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5985] <... bpf resumed>) = 4 [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(16 [pid 5985] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5976] close(20 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5985] <... futex resumed>) = 0 [pid 5984] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5982] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(17 [pid 5985] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5983] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5976] close(21 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] <... mprotect resumed>) = 0 [pid 5983] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5982] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(18 [pid 5984] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5976] close(22 [pid 5984] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5976] close(23 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5986 attached [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(19 [pid 5986] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5984] <... clone3 resumed> => {parent_tid=[14108]}, 88) = 14108 [pid 5976] close(24 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... set_robust_list resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5976] close(25 [pid 5984] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(20 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5976] close(26 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5984] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(21 [pid 5986] <... bpf resumed>) = 3 [pid 5976] close(27 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(22 [pid 5986] <... futex resumed>) = 1 [pid 5984] <... futex resumed>) = 0 [pid 5976] close(28 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(23 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] <... futex resumed>) = 0 [pid 5976] close(29 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5984] <... futex resumed>) = 0 [pid 5976] exit_group(0 [pid 5965] close(24 [pid 5984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5979] <... futex resumed>) = ? [pid 5978] <... futex resumed>) = ? [pid 5976] <... exit_group resumed>) = ? [pid 5986] <... bpf resumed>) = 0 [pid 5984] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5979] +++ exited with 0 +++ [pid 5978] +++ exited with 0 +++ [pid 5976] +++ exited with 0 +++ [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5965] close(25 [pid 5986] <... futex resumed>) = 0 [pid 5984] <... mprotect resumed>) = 0 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5986] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5965] close(26 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 5984] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5965] close(27 [pid 293] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5987 attached [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] <... clone3 resumed> => {parent_tid=[14109]}, 88) = 14109 [pid 5987] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5965] close(28 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5987] <... set_robust_list resumed>) = 0 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5965] close(29 [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4670", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5987] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5984] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] exit_group(0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = ? [pid 5972] <... futex resumed>) = ? [pid 5965] <... exit_group resumed>) = ? [pid 293] openat(AT_FDCWD, "./4670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5987] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5975] +++ exited with 0 +++ [pid 5972] +++ exited with 0 +++ [pid 5965] +++ exited with 0 +++ [pid 293] <... openat resumed>) = 3 [pid 5987] <... bpf resumed>) = 4 [pid 293] newfstatat(3, "", [pid 5987] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5987] <... futex resumed>) = 1 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5987] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] getdents64(3, [pid 5984] <... futex resumed>) = 0 [pid 5984] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... futex resumed>) = 0 [pid 5984] <... futex resumed>) = 1 [pid 5986] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5984] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] <... restart_syscall resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4670/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4811", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4670/cgroup.cpu", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... openat resumed>) = 3 [pid 293] unlink("./4670/cgroup.cpu" [pid 296] newfstatat(3, "", [pid 293] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] umount2("./4670/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] newfstatat(AT_FDCWD, "./4670/binderfs", [pid 296] umount2("./4811/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4670/binderfs" [pid 296] newfstatat(AT_FDCWD, "./4811/cgroup.cpu", [pid 293] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4811/cgroup.cpu" [pid 293] umount2("./4670/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4811/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4670/cgroup", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4811/binderfs", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4670/cgroup" [pid 296] unlink("./4811/binderfs" [pid 293] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] umount2("./4670/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4811/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4670/cgroup.net", [pid 296] newfstatat(AT_FDCWD, "./4811/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4811/cgroup" [pid 293] unlink("./4670/cgroup.net" [pid 296] <... unlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 296] umount2("./4811/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(AT_FDCWD, "./4811/cgroup.net", [pid 293] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... close resumed>) = 0 [pid 296] unlink("./4811/cgroup.net" [pid 293] rmdir("./4670" [pid 296] <... unlink resumed>) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 296] getdents64(3, [pid 293] mkdir("./4671", 0777 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 293] <... mkdir resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5986] <... bpf resumed>) = 5 [pid 5983] <... bpf resumed>) = 5 [pid 5980] <... bpf resumed>) = 5 [pid 296] rmdir("./4811"./strace-static-x86_64: Process 5988 attached [pid 5986] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13775 [pid 5986] <... futex resumed>) = 1 [pid 5984] <... futex resumed>) = 0 [pid 5983] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 5988] set_robust_list(0x5555568776a0, 24 [pid 5986] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] close(3 [pid 5983] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] close(3 [pid 5980] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] close(3 [pid 296] mkdir("./4812", 0777 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5984] <... close resumed>) = 0 [pid 5982] <... close resumed>) = 0 [pid 5984] close(4 [pid 5977] <... close resumed>) = 0 [pid 5984] <... close resumed>) = 0 [pid 5984] close(5) = 0 [pid 5984] close(6 [pid 296] <... mkdir resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(4 [pid 5977] close(4 [pid 5988] chdir("./4671" [pid 5984] close(7 [pid 5988] <... chdir resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... close resumed>) = 0 [pid 5977] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5984] close(8 [pid 5982] close(5 [pid 5977] close(5 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] close(9) = -1 EBADF (Bad file descriptor) [pid 5984] close(10) = -1 EBADF (Bad file descriptor) [pid 5984] close(11) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5989 attached [pid 5984] close(12 [pid 5982] <... close resumed>) = 0 [pid 5989] set_robust_list(0x5555568776a0, 24 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = 0 [pid 5982] close(6 [pid 5988] <... prctl resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14213 [pid 5989] <... set_robust_list resumed>) = 0 [pid 5984] close(13 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] setpgid(0, 0 [pid 5977] close(6 [pid 5989] chdir("./4812" [pid 5988] <... setpgid resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(7 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... chdir resumed>) = 0 [pid 5988] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5984] close(14 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(7 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... prctl resumed>) = 0 [pid 5988] <... symlink resumed>) = 0 [pid 5984] close(15 [pid 5989] setpgid(0, 0 [pid 5988] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(8 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... setpgid resumed>) = 0 [pid 5984] close(16 [pid 5989] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5988] <... symlink resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(8 [pid 5989] <... symlink resumed>) = 0 [pid 5984] close(17 [pid 5989] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5988] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(9 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... symlink resumed>) = 0 [pid 5984] close(18 [pid 5989] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5988] <... symlink resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(9 [pid 5989] <... symlink resumed>) = 0 [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5984] close(19 [pid 5982] close(10 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... openat resumed>) = 3 [pid 5988] <... openat resumed>) = 3 [pid 5984] close(20 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(10 [pid 5989] write(3, "1000", 4 [pid 5988] write(3, "1000", 4 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(11 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... write resumed>) = 4 [pid 5988] <... write resumed>) = 4 [pid 5984] close(21 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(11 [pid 5989] close(3 [pid 5988] close(3 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(12 [pid 5989] <... close resumed>) = 0 [pid 5988] <... close resumed>) = 0 [pid 5984] close(22 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] symlink("/dev/binderfs", "./binderfs" [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... symlink resumed>) = 0 [pid 5988] symlink("/dev/binderfs", "./binderfs" [pid 5984] close(23 [pid 5982] close(13 [pid 5977] close(12 [pid 5989] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... symlink resumed>) = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... futex resumed>) = 0 [pid 5988] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] close(24 [pid 5982] close(14 [pid 5977] close(13 [pid 5989] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5988] <... futex resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5988] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5984] close(25 [pid 5982] close(15 [pid 5977] close(14 [pid 5989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5988] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5984] close(26 [pid 5982] close(16 [pid 5977] close(15 [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5984] close(27 [pid 5982] close(17 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5988] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... mprotect resumed>) = 0 [pid 5988] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5984] close(28 [pid 5982] close(18 [pid 5977] close(16 [pid 5989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5988] <... mprotect resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5984] close(29 [pid 5982] close(19 [pid 5977] close(17 [pid 5989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5990 attached [pid 5988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5984] exit_group(0 [pid 5982] close(20 [pid 5977] close(18./strace-static-x86_64: Process 5991 attached [pid 5990] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5989] <... clone3 resumed> => {parent_tid=[14214]}, 88) = 14214 [pid 5987] <... futex resumed>) = ? [pid 5986] <... futex resumed>) = ? [pid 5984] <... exit_group resumed>) = ? [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5990] <... set_robust_list resumed>) = 0 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5988] <... clone3 resumed> => {parent_tid=[13776]}, 88) = 13776 [pid 5987] +++ exited with 0 +++ [pid 5986] +++ exited with 0 +++ [pid 5984] +++ exited with 0 +++ [pid 5982] close(21 [pid 5977] close(19 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] rt_sigprocmask(SIG_SETMASK, [], [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5991] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] close(22 [pid 5977] close(20 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5989] <... futex resumed>) = 0 [pid 5988] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... restart_syscall resumed>) = 0 [pid 5991] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5990] <... bpf resumed>) = 3 [pid 5989] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = 0 [pid 5982] close(23 [pid 5977] close(21 [pid 5991] <... bpf resumed>) = 3 [pid 5990] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] close(24 [pid 5977] close(22 [pid 295] umount2("./4783", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5991] <... futex resumed>) = 0 [pid 5990] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5991] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 5982] close(25 [pid 5977] close(23 [pid 295] openat(AT_FDCWD, "./4783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5991] <... bpf resumed>) = 0 [pid 5990] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5989] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... openat resumed>) = 3 [pid 5991] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... bpf resumed>) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 295] newfstatat(3, "", [pid 5982] close(26 [pid 5977] close(24 [pid 5991] <... futex resumed>) = 0 [pid 5990] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5991] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] <... futex resumed>) = 0 [pid 5989] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5988] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5982] close(27 [pid 5977] close(25 [pid 295] getdents64(3, [pid 5990] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5988] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5989] <... mprotect resumed>) = 0 [pid 5988] <... mprotect resumed>) = 0 [pid 5982] close(28 [pid 5977] close(26 [pid 295] umount2("./4783/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5982] close(29 [pid 5977] close(27 [pid 295] newfstatat(AT_FDCWD, "./4783/cgroup.cpu", [pid 5989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5992 attached [pid 295] unlink("./4783/cgroup.cpu"./strace-static-x86_64: Process 5993 attached [pid 5992] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5989] <... clone3 resumed> => {parent_tid=[14215]}, 88) = 14215 [pid 5982] exit_group(0 [pid 5977] close(28 [pid 295] <... unlink resumed>) = 0 [pid 5993] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5992] <... set_robust_list resumed>) = 0 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5988] <... clone3 resumed> => {parent_tid=[13777]}, 88) = 13777 [pid 5985] <... futex resumed>) = ? [pid 5983] <... futex resumed>) = ? [pid 5982] <... exit_group resumed>) = ? [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4783/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5993] <... set_robust_list resumed>) = 0 [pid 5992] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] rt_sigprocmask(SIG_SETMASK, [], [pid 5985] +++ exited with 0 +++ [pid 5983] +++ exited with 0 +++ [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5993] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4783/binderfs", [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5993] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] +++ exited with 0 +++ [pid 5977] close(29 [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] unlink("./4783/binderfs" [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... unlink resumed>) = 0 [pid 5988] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] umount2("./4783/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... restart_syscall resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4783/cgroup", [pid 5993] <... futex resumed>) = 0 [pid 5992] <... bpf resumed>) = 4 [pid 5988] <... futex resumed>) = 1 [pid 5977] exit_group(0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5992] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] <... futex resumed>) = ? [pid 5980] <... futex resumed>) = ? [pid 5977] <... exit_group resumed>) = ? [pid 297] umount2("./4845", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4783/cgroup" [pid 5993] <... bpf resumed>) = 4 [pid 5992] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5981] +++ exited with 0 +++ [pid 5980] +++ exited with 0 +++ [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 5993] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] +++ exited with 0 +++ [pid 297] openat(AT_FDCWD, "./4845", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./4783/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5993] <... futex resumed>) = 1 [pid 5992] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] <... futex resumed>) = 0 [pid 5989] <... futex resumed>) = 1 [pid 5988] <... futex resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5993] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5989] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5988] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] newfstatat(3, "", [pid 295] newfstatat(AT_FDCWD, "./4783/cgroup.net", [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 5991] <... futex resumed>) = 0 [pid 5990] <... bpf resumed>) = 5 [pid 5988] <... futex resumed>) = 1 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 5991] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5990] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] getdents64(3, [pid 295] unlink("./4783/cgroup.net" [pid 5991] <... bpf resumed>) = 5 [pid 5990] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... unlink resumed>) = 0 [pid 5991] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] close(3 [pid 297] umount2("./4845/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 5991] <... futex resumed>) = 1 [pid 5989] <... close resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5991] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] close(4 [pid 5988] close(3 [pid 297] newfstatat(AT_FDCWD, "./4845/cgroup.cpu", [pid 295] close(3 [pid 294] umount2("./4733", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5989] <... close resumed>) = 0 [pid 5988] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... close resumed>) = 0 [pid 5989] close(5 [pid 5988] close(4 [pid 297] unlink("./4845/cgroup.cpu" [pid 295] rmdir("./4783" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5988] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 5988] close(5 [pid 297] umount2("./4845/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] mkdir("./4784", 0777 [pid 294] openat(AT_FDCWD, "./4733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... mkdir resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4845/binderfs", [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5994 attached [pid 297] unlink("./4845/binderfs" [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14110 [pid 294] newfstatat(3, "", [pid 5994] set_robust_list(0x5555568776a0, 24 [pid 297] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5994] <... set_robust_list resumed>) = 0 [pid 297] umount2("./4845/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5994] chdir("./4784" [pid 294] getdents64(3, [pid 297] newfstatat(AT_FDCWD, "./4845/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5994] <... chdir resumed>) = 0 [pid 297] unlink("./4845/cgroup" [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... unlink resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 5994] <... prctl resumed>) = 0 [pid 297] umount2("./4845/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5994] setpgid(0, 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4733/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5994] <... setpgid resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4845/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4845/cgroup.net" [pid 5994] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4733/cgroup.cpu", [pid 297] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 5994] <... symlink resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5994] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 297] rmdir("./4845" [pid 294] unlink("./4733/cgroup.cpu" [pid 5994] <... symlink resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./4846", 0777 [pid 5994] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 297] <... mkdir resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5994] <... symlink resumed>) = 0 [pid 294] umount2("./4733/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5995 attached [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14292 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5995] set_robust_list(0x5555568776a0, 24) = 0 [pid 5994] <... openat resumed>) = 3 [pid 294] newfstatat(AT_FDCWD, "./4733/binderfs", [pid 5995] chdir("./4846" [pid 5994] write(3, "1000", 4 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5995] <... chdir resumed>) = 0 [pid 5994] <... write resumed>) = 4 [pid 294] unlink("./4733/binderfs" [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] close(3 [pid 294] <... unlink resumed>) = 0 [pid 5994] <... close resumed>) = 0 [pid 5995] <... prctl resumed>) = 0 [pid 5994] symlink("/dev/binderfs", "./binderfs" [pid 294] umount2("./4733/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5995] setpgid(0, 0) = 0 [pid 5994] <... symlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5995] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5994] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] newfstatat(AT_FDCWD, "./4733/cgroup", [pid 5995] <... symlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5995] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5994] <... futex resumed>) = 0 [pid 294] unlink("./4733/cgroup" [pid 5995] <... symlink resumed>) = 0 [pid 5995] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5994] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 294] <... unlink resumed>) = 0 [pid 5995] <... symlink resumed>) = 0 [pid 5994] <... rt_sigaction resumed>NULL, 8) = 0 [pid 294] umount2("./4733/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... openat resumed>) = 3 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] newfstatat(AT_FDCWD, "./4733/cgroup.net", [pid 5995] write(3, "1000", 4 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5995] <... write resumed>) = 4 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5995] close(3 [pid 5994] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5995] <... close resumed>) = 0 [pid 5994] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 294] unlink("./4733/cgroup.net" [pid 5995] symlink("/dev/binderfs", "./binderfs" [pid 5994] <... mprotect resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] getdents64(3, [pid 5995] <... symlink resumed>) = 0 [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5995] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 5995] <... futex resumed>) = 0 [pid 5994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 294] close(3 [pid 5995] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, ./strace-static-x86_64: Process 5996 attached NULL, 8) = 0 [pid 294] <... close resumed>) = 0 [pid 5996] set_robust_list(0x7fd4ce13b9a0, 24) = 0 [pid 5995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5994] <... clone3 resumed> => {parent_tid=[14111]}, 88) = 14111 [pid 294] rmdir("./4733" [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... rmdir resumed>) = 0 [pid 5995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] mkdir("./4734", 0777 [pid 5995] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5994] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = 0 [pid 5995] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5994] <... futex resumed>) = 1 [pid 294] <... mkdir resumed>) = 0 [pid 5996] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5995] <... mprotect resumed>) = 0 [pid 5994] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5996] <... bpf resumed>) = 3 [pid 5996] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5996] <... futex resumed>) = 1 [pid 5996] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5997 attached [pid 5995] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5997] set_robust_list(0x5555568776a0, 24 [pid 5995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5994] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13939 [pid 5997] <... set_robust_list resumed>) = 0 [pid 5997] chdir("./4734"./strace-static-x86_64: Process 5998 attached ) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5998] set_robust_list(0x7fd4ce13b9a0, 24 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5995] <... clone3 resumed> => {parent_tid=[14293]}, 88) = 14293 [pid 5994] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5997] <... prctl resumed>) = 0 [pid 5998] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] setpgid(0, 0 [pid 5994] <... futex resumed>) = 0 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] <... setpgid resumed>) = 0 [pid 5996] <... bpf resumed>) = 0 [pid 5995] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5998] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5996] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5997] <... symlink resumed>) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5995] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5997] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5996] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] <... mprotect resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 5995] <... futex resumed>) = 1 [pid 5998] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5997] <... symlink resumed>) = 0 [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5998] <... bpf resumed>) = 3 [pid 5997] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5995] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... symlink resumed>) = 0 [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] <... futex resumed>) = 0 [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5998] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5997] <... openat resumed>) = 3 [pid 5995] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5999 attached [pid 5998] <... bpf resumed>) = 0 [pid 5997] write(3, "1000", 4 [pid 5995] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5998] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... write resumed>) = 4 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5998] <... futex resumed>) = 0 [pid 5997] close(3 [pid 5995] <... futex resumed>) = 0 [pid 5994] <... clone3 resumed> => {parent_tid=[14112]}, 88) = 14112 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 5998] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] <... close resumed>) = 0 [pid 5995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] <... close resumed>) = 0 [pid 5988] <... close resumed>) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] symlink("/dev/binderfs", "./binderfs" [pid 5995] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] close(6 [pid 5988] close(6 [pid 5999] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] <... symlink resumed>) = 0 [pid 5995] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5994] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... mprotect resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5989] close(7 [pid 5988] close(7 [pid 5999] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5997] <... futex resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5997] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5995] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5994] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] close(8 [pid 5988] close(8 [pid 5997] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... bpf resumed>) = 4 [pid 5997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5995] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5989] close(9 [pid 5988] close(9 [pid 5999] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... futex resumed>) = 1 [pid 5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5994] <... futex resumed>) = 0 [pid 5989] close(10 [pid 5988] close(10./strace-static-x86_64: Process 6000 attached [pid 5999] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5994] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5997] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5996] <... futex resumed>) = 0 [pid 5995] <... clone3 resumed> => {parent_tid=[14294]}, 88) = 14294 [pid 5994] <... futex resumed>) = 1 [pid 5989] close(11 [pid 5988] close(11 [pid 6000] <... set_robust_list resumed>) = 0 [pid 5997] <... mprotect resumed>) = 0 [pid 5996] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5995] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5989] close(12 [pid 5988] close(12 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5995] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] close(13 [pid 5988] close(13./strace-static-x86_64: Process 6001 attached [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... futex resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6000] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5997] <... clone3 resumed> => {parent_tid=[13940]}, 88) = 13940 [pid 5995] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] close(14 [pid 5988] close(14 [pid 6001] <... set_robust_list resumed>) = 0 [pid 6000] <... bpf resumed>) = 4 [pid 5997] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] close(15 [pid 5988] close(15 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] <... futex resumed>) = 1 [pid 5997] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6000] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] <... futex resumed>) = 0 [pid 5995] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] close(16 [pid 5988] close(16 [pid 6001] <... bpf resumed>) = 3 [pid 5998] <... futex resumed>) = 0 [pid 5997] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] <... futex resumed>) = 1 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5989] close(17 [pid 5988] close(17 [pid 6001] <... futex resumed>) = 0 [pid 5997] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 5997] <... futex resumed>) = 0 [pid 5989] close(18 [pid 5988] close(18 [pid 5997] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] <... bpf resumed>) = 0 [pid 5997] <... futex resumed>) = 0 [pid 5989] close(19 [pid 5988] close(19 [pid 6001] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] <... futex resumed>) = 0 [pid 5997] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5989] close(20 [pid 5988] close(20 [pid 5997] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6001] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] <... mprotect resumed>) = 0 [pid 5989] close(21 [pid 5988] close(21 [pid 5997] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5997] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5989] close(22 [pid 5988] close(22 [pid 5997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6002 attached [pid 5989] close(23 [pid 5988] close(23 [pid 6002] set_robust_list(0x7fd4ce11a9a0, 24 [pid 5997] <... clone3 resumed> => {parent_tid=[13941]}, 88) = 13941 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] <... set_robust_list resumed>) = 0 [pid 5997] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] close(24 [pid 5988] close(24 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] close(25 [pid 5988] close(25 [pid 6002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5997] <... futex resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5997] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] close(26 [pid 5988] close(26 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] close(27 [pid 5988] close(27 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] <... bpf resumed>) = 4 [pid 5989] close(28 [pid 5988] close(28 [pid 6002] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 5989] close(29 [pid 5988] close(29 [pid 5997] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... futex resumed>) = 0 [pid 5997] <... futex resumed>) = 1 [pid 5989] exit_group(0 [pid 5988] exit_group(0 [pid 6001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 5997] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5993] <... futex resumed>) = ? [pid 5992] <... futex resumed>) = ? [pid 5991] <... futex resumed>) = ? [pid 5990] <... futex resumed>) = ? [pid 5989] <... exit_group resumed>) = ? [pid 5988] <... exit_group resumed>) = ? [pid 5993] +++ exited with 0 +++ [pid 5992] +++ exited with 0 +++ [pid 5991] +++ exited with 0 +++ [pid 5990] +++ exited with 0 +++ [pid 5989] +++ exited with 0 +++ [pid 5988] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./4812", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4671", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] openat(AT_FDCWD, "./4671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 293] <... openat resumed>) = 3 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] newfstatat(3, "", [pid 296] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] getdents64(3, [pid 296] umount2("./4812/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4671/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4812/cgroup.cpu", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4671/cgroup.cpu", [pid 296] unlink("./4812/cgroup.cpu" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] unlink("./4671/cgroup.cpu" [pid 296] umount2("./4812/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4671/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4812/binderfs", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4671/binderfs", [pid 296] unlink("./4812/binderfs" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] unlink("./4671/binderfs" [pid 296] umount2("./4812/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4671/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4812/cgroup", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4671/cgroup", [pid 296] unlink("./4812/cgroup" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] unlink("./4671/cgroup" [pid 296] umount2("./4812/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 293] umount2("./4671/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4812/cgroup.net", [pid 293] newfstatat(AT_FDCWD, "./4671/cgroup.net", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4812/cgroup.net" [pid 293] unlink("./4671/cgroup.net" [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 293] <... unlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] getdents64(3, [pid 296] close(3 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... close resumed>) = 0 [pid 293] close(3 [pid 296] rmdir("./4812" [pid 293] <... close resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 293] rmdir("./4671" [pid 296] mkdir("./4813", 0777 [pid 293] <... rmdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] mkdir("./4672", 0777./strace-static-x86_64: Process 6003 attached [pid 6003] set_robust_list(0x5555568776a0, 24) = 0 [pid 6003] chdir("./4813" [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14216 [pid 293] <... mkdir resumed>) = 0 [pid 6003] <... chdir resumed>) = 0 [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6003] setpgid(0, 0) = 0 [pid 6003] symlink("/syzcgroup/unified/syz4", "./cgroup"./strace-static-x86_64: Process 6004 attached ) = 0 [pid 6004] set_robust_list(0x5555568776a0, 24 [pid 6003] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13778 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6003] <... symlink resumed>) = 0 [pid 6001] <... bpf resumed>) = 5 [pid 5998] <... bpf resumed>) = 5 [pid 5996] <... bpf resumed>) = 5 [pid 6004] chdir("./4672" [pid 6003] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6001] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... chdir resumed>) = 0 [pid 6003] <... symlink resumed>) = 0 [pid 6001] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 1 [pid 5997] <... futex resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6001] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] close(3 [pid 5996] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] close(3 [pid 5994] close(3 [pid 6004] <... prctl resumed>) = 0 [pid 6003] <... openat resumed>) = 3 [pid 5997] <... close resumed>) = 0 [pid 5995] <... close resumed>) = 0 [pid 6004] setpgid(0, 0 [pid 6003] write(3, "1000", 4 [pid 5997] close(4 [pid 5995] close(4 [pid 5994] <... close resumed>) = 0 [pid 6004] <... setpgid resumed>) = 0 [pid 6003] <... write resumed>) = 4 [pid 5997] <... close resumed>) = 0 [pid 5995] <... close resumed>) = 0 [pid 5994] close(4 [pid 6003] close(3 [pid 5997] close(5 [pid 5995] close(5 [pid 6004] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6003] <... close resumed>) = 0 [pid 5997] <... close resumed>) = 0 [pid 5995] <... close resumed>) = 0 [pid 5994] <... close resumed>) = 0 [pid 6003] symlink("/dev/binderfs", "./binderfs" [pid 5997] close(6 [pid 5995] close(6 [pid 6004] <... symlink resumed>) = 0 [pid 6003] <... symlink resumed>) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(5 [pid 6004] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6003] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] close(7 [pid 5995] close(7 [pid 6003] <... futex resumed>) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 5997] close(8 [pid 5995] close(8 [pid 5994] <... close resumed>) = 0 [pid 6004] <... symlink resumed>) = 0 [pid 6003] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(6 [pid 6004] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5997] close(9 [pid 5995] close(9 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... symlink resumed>) = 0 [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(7 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5997] close(10 [pid 5995] close(10 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... openat resumed>) = 3 [pid 6003] <... mmap resumed>) = 0x7fd4ce11b000 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(8 [pid 6004] write(3, "1000", 4 [pid 6003] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 5997] close(11 [pid 5995] close(11 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... write resumed>) = 4 [pid 6003] <... mprotect resumed>) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(9 [pid 6004] close(3 [pid 6003] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5997] close(12 [pid 5995] close(12 [pid 6004] <... close resumed>) = 0 [pid 6003] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] symlink("/dev/binderfs", "./binderfs" [pid 6003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 5997] close(13 [pid 5995] close(13 [pid 5994] close(10./strace-static-x86_64: Process 6005 attached [pid 6004] <... symlink resumed>) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6004] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... clone3 resumed> => {parent_tid=[14217]}, 88) = 14217 [pid 5997] close(14 [pid 5995] close(14 [pid 5994] close(11 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] close(15 [pid 5995] close(15 [pid 5994] close(12 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6003] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6003] <... futex resumed>) = 0 [pid 5997] close(16 [pid 5995] close(16 [pid 5994] close(13 [pid 6005] <... bpf resumed>) = 3 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] close(17 [pid 5995] close(17 [pid 5994] close(14 [pid 6005] <... futex resumed>) = 0 [pid 6004] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6003] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6004] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6003] <... futex resumed>) = 0 [pid 5997] close(18 [pid 5995] close(18 [pid 5994] close(15 [pid 6005] <... bpf resumed>) = 0 [pid 6004] <... mprotect resumed>) = 0 [pid 6003] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6003] <... futex resumed>) = 0 [pid 5997] close(19 [pid 5995] close(19 [pid 5994] close(16 [pid 6005] <... futex resumed>) = 0 [pid 6004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6003] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 5997] close(20 [pid 5995] close(20 [pid 5994] close(17 [pid 6003] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6006 attached [pid 6003] <... mprotect resumed>) = 0 [pid 5997] close(21 [pid 5995] close(21 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6004] <... clone3 resumed> => {parent_tid=[13779]}, 88) = 13779 [pid 6003] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] <... set_robust_list resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5997] close(22 [pid 5995] close(22 [pid 5994] close(18 [pid 6006] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6007 attached [pid 6006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] close(23 [pid 5995] close(23 [pid 5994] close(19 [pid 6007] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6006] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6004] <... futex resumed>) = 0 [pid 6003] <... clone3 resumed> => {parent_tid=[14218]}, 88) = 14218 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6007] <... set_robust_list resumed>) = 0 [pid 6006] <... bpf resumed>) = 3 [pid 6004] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 5997] close(24 [pid 5995] close(24 [pid 5994] close(20 [pid 6007] rt_sigprocmask(SIG_SETMASK, [], [pid 6006] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] <... futex resumed>) = 0 [pid 6004] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] close(25 [pid 5995] close(25 [pid 6007] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6006] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6004] <... futex resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(21 [pid 6007] <... bpf resumed>) = 4 [pid 6003] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] close(26 [pid 5995] close(26 [pid 6007] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... bpf resumed>) = 0 [pid 6004] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6007] <... futex resumed>) = 0 [pid 6006] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = 0 [pid 6003] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] close(27 [pid 5995] close(27 [pid 6007] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = 0 [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6003] <... futex resumed>) = 1 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(22 [pid 6006] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6004] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6003] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5997] close(28 [pid 5995] close(28 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5997] close(29 [pid 5995] close(29 [pid 5994] close(23 [pid 6004] <... mprotect resumed>) = 0 [pid 5997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5997] exit_group(0 [pid 5995] exit_group(0 [pid 5994] close(24 [pid 6004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6002] <... futex resumed>) = ? [pid 6001] <... futex resumed>) = ? [pid 6000] <... futex resumed>) = ? [pid 5998] <... futex resumed>) = ? [pid 5997] <... exit_group resumed>) = ? [pid 5995] <... exit_group resumed>) = ? [pid 6004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6002] +++ exited with 0 +++ [pid 6001] +++ exited with 0 +++ [pid 6000] +++ exited with 0 +++ [pid 5998] +++ exited with 0 +++ [pid 5997] +++ exited with 0 +++ [pid 5995] +++ exited with 0 +++ [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6008 attached [pid 5994] close(25 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6008] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6004] <... clone3 resumed> => {parent_tid=[13780]}, 88) = 13780 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6008] <... set_robust_list resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] close(26 [pid 6008] rt_sigprocmask(SIG_SETMASK, [], [pid 297] umount2("./4846", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] close(27 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4734", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6004] <... futex resumed>) = 0 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] openat(AT_FDCWD, "./4846", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6008] <... bpf resumed>) = 4 [pid 6004] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] close(28 [pid 297] <... openat resumed>) = 3 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6008] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(3, "", [pid 6008] <... futex resumed>) = 1 [pid 5994] close(29 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] openat(AT_FDCWD, "./4734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6008] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... futex resumed>) = 0 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 6004] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] exit_group(0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... openat resumed>) = 3 [pid 6006] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = ? [pid 5996] <... futex resumed>) = ? [pid 5994] <... exit_group resumed>) = ? [pid 297] umount2("./4846/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(3, "", [pid 6006] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6004] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5996] +++ exited with 0 +++ [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4846/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4846/cgroup.cpu") = 0 [pid 5999] +++ exited with 0 +++ [pid 5994] +++ exited with 0 +++ [pid 297] umount2("./4846/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4846/binderfs", [pid 294] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] unlink("./4846/binderfs" [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6006] <... bpf resumed>) = 5 [pid 6005] <... bpf resumed>) = 5 [pid 297] <... unlink resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 294] umount2("./4734/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6005] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4846/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6006] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] <... futex resumed>) = 1 [pid 6005] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... futex resumed>) = 0 [pid 6003] close(3 [pid 297] newfstatat(AT_FDCWD, "./4846/cgroup", [pid 6003] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4734/cgroup.cpu", [pid 6004] close(3 [pid 6006] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] close(4 [pid 297] unlink("./4846/cgroup" [pid 295] umount2("./4784", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6004] <... close resumed>) = 0 [pid 6003] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4734/cgroup.cpu" [pid 6004] close(4 [pid 6003] close(5 [pid 297] umount2("./4846/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] openat(AT_FDCWD, "./4784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4846/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4846/cgroup.net") = 0 [pid 297] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6004] <... close resumed>) = 0 [pid 297] rmdir("./4846" [pid 295] <... openat resumed>) = 3 [pid 6004] close(5 [pid 297] <... rmdir resumed>) = 0 [pid 294] umount2("./4734/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] mkdir("./4847", 0777) = 0 [pid 295] newfstatat(3, "", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6009 attached [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] newfstatat(AT_FDCWD, "./4734/binderfs", [pid 6009] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14295 [pid 295] getdents64(3, [pid 6009] <... set_robust_list resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] chdir("./4847" [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] unlink("./4734/binderfs" [pid 6009] <... chdir resumed>) = 0 [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6009] setpgid(0, 0 [pid 295] umount2("./4784/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] <... setpgid resumed>) = 0 [pid 6009] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 6009] <... symlink resumed>) = 0 [pid 6009] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 295] newfstatat(AT_FDCWD, "./4784/cgroup.cpu", [pid 294] umount2("./4734/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] unlink("./4784/cgroup.cpu" [pid 294] newfstatat(AT_FDCWD, "./4734/cgroup", [pid 6009] <... openat resumed>) = 3 [pid 6009] write(3, "1000", 4) = 4 [pid 295] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] close(3 [pid 295] umount2("./4784/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4734/cgroup" [pid 6009] <... close resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 295] newfstatat(AT_FDCWD, "./4784/binderfs", [pid 294] <... unlink resumed>) = 0 [pid 6009] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] <... futex resumed>) = 0 [pid 295] unlink("./4784/binderfs" [pid 294] umount2("./4734/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... unlink resumed>) = 0 [pid 6009] <... mmap resumed>) = 0x7fd4ce11b000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4784/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 294] newfstatat(AT_FDCWD, "./4734/cgroup.net", [pid 6009] <... mprotect resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] newfstatat(AT_FDCWD, "./4784/cgroup", ./strace-static-x86_64: Process 6010 attached [pid 294] unlink("./4734/cgroup.net" [pid 6010] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6009] <... clone3 resumed> => {parent_tid=[14296]}, 88) = 14296 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6009] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4784/cgroup" [pid 294] <... unlink resumed>) = 0 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6009] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... unlink resumed>) = 0 [pid 294] getdents64(3, [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] umount2("./4784/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6010] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 294] close(3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] <... bpf resumed>) = 3 [pid 294] <... close resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4784/cgroup.net", [pid 6010] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] rmdir("./4734" [pid 6010] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6009] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6010] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6009] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] unlink("./4784/cgroup.net" [pid 294] <... rmdir resumed>) = 0 [pid 6009] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6010] <... bpf resumed>) = 0 [pid 6009] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6011 attached [pid 6010] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... unlink resumed>) = 0 [pid 294] mkdir("./4735", 0777 [pid 6011] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6010] <... futex resumed>) = 0 [pid 6009] <... clone3 resumed> => {parent_tid=[14297]}, 88) = 14297 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6010] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 295] getdents64(3, [pid 6009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6009] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6009] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... mkdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 295] close(3 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... close resumed>) = 0 ./strace-static-x86_64: Process 6012 attached [pid 6011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] rmdir("./4784" [pid 6012] set_robust_list(0x5555568776a0, 24) = 0 [pid 6012] chdir("./4735") = 0 [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6012] setpgid(0, 0) = 0 [pid 6012] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 295] <... rmdir resumed>) = 0 [pid 6012] <... symlink resumed>) = 0 [pid 6012] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6011] <... bpf resumed>) = 4 [pid 295] mkdir("./4785", 0777 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13942 [pid 6012] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6011] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... symlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6011] <... futex resumed>) = 1 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6012] <... openat resumed>) = 3 [pid 6011] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] <... futex resumed>) = 0 [pid 6012] write(3, "1000", 4) = 4 [pid 6009] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] close(3) = 0 [pid 6009] <... futex resumed>) = 1 [pid 6012] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6013 attached ) = 0 [pid 6010] <... futex resumed>) = 0 [pid 6009] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6013] set_robust_list(0x5555568776a0, 24 [pid 6012] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14113 [pid 6012] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6013] chdir("./4785" [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] <... chdir resumed>) = 0 [pid 6012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6012] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6012] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6013] <... prctl resumed>) = 0 [pid 6012] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6013] setpgid(0, 0 [pid 6012] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6013] <... setpgid resumed>) = 0 [pid 6012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6014 attached [pid 6014] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6013] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6012] <... clone3 resumed> => {parent_tid=[13943]}, 88) = 13943 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] <... symlink resumed>) = 0 [pid 6012] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6013] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6012] <... futex resumed>) = 0 [pid 6014] <... bpf resumed>) = 3 [pid 6012] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] <... futex resumed>) = 0 [pid 6013] <... symlink resumed>) = 0 [pid 6012] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6013] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6012] <... futex resumed>) = 0 [pid 6014] <... bpf resumed>) = 0 [pid 6012] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 6013] <... symlink resumed>) = 0 [pid 6012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6014] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6012] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6012] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6013] <... openat resumed>) = 3 [pid 6012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6015 attached [pid 6013] write(3, "1000", 4 [pid 6015] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6013] <... write resumed>) = 4 [pid 6012] <... clone3 resumed> => {parent_tid=[13944]}, 88) = 13944 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6013] close(3 [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] <... close resumed>) = 0 [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] symlink("/dev/binderfs", "./binderfs" [pid 6012] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6012] <... futex resumed>) = 0 [pid 6013] <... symlink resumed>) = 0 [pid 6012] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... bpf resumed>) = 4 [pid 6013] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... futex resumed>) = 0 [pid 6013] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6015] <... futex resumed>) = 1 [pid 6013] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6015] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6012] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = 0 [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] <... futex resumed>) = 1 [pid 6014] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6012] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6013] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6013] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6013] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6016 attached [pid 6016] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6013] <... clone3 resumed> => {parent_tid=[14114]}, 88) = 14114 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6016] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 6016] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6013] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... close resumed>) = 0 [pid 6004] <... close resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] close(6 [pid 6003] close(6 [pid 6016] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... futex resumed>) = 0 [pid 6004] close(7 [pid 6003] close(7 [pid 6016] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6013] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] <... bpf resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6004] close(8 [pid 6003] close(8 [pid 6016] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] <... futex resumed>) = 0 [pid 6013] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6004] close(9 [pid 6003] close(9 [pid 6016] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... mprotect resumed>) = 0 [pid 6004] close(10 [pid 6003] close(10) = -1 EBADF (Bad file descriptor) [pid 6003] close(11 [pid 6013] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] close(11 [pid 6003] close(12 [pid 6013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(13) = -1 EBADF (Bad file descriptor) [pid 6003] close(14./strace-static-x86_64: Process 6017 attached [pid 6004] close(12 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(15) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... clone3 resumed> => {parent_tid=[14115]}, 88) = 14115 [pid 6017] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] close(13 [pid 6003] close(16 [pid 6017] <... set_robust_list resumed>) = 0 [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] close(14 [pid 6003] close(17 [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6013] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] close(15 [pid 6003] close(18) = -1 EBADF (Bad file descriptor) [pid 6003] close(19) = -1 EBADF (Bad file descriptor) [pid 6003] close(20 [pid 6017] <... bpf resumed>) = 4 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(21 [pid 6017] <... futex resumed>) = 1 [pid 6013] <... futex resumed>) = 0 [pid 6004] close(16 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(22 [pid 6016] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 6004] close(17 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6003] close(23 [pid 6013] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(18 [pid 6003] close(24 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(25) = -1 EBADF (Bad file descriptor) [pid 6004] close(19 [pid 6003] close(26 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(20 [pid 6003] close(27 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(28 [pid 6004] close(21 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(29 [pid 6004] close(22 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] exit_group(0 [pid 6007] <... futex resumed>) = ? [pid 6005] <... futex resumed>) = ? [pid 6004] close(23 [pid 6003] <... exit_group resumed>) = ? [pid 6007] +++ exited with 0 +++ [pid 6005] +++ exited with 0 +++ [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] +++ exited with 0 +++ [pid 6004] close(24 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(25) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4813", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6004] close(26 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] openat(AT_FDCWD, "./4813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6004] close(27 [pid 296] <... openat resumed>) = 3 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(3, "", [pid 6004] close(28 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] getdents64(3, [pid 6004] close(29 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4813/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6004] exit_group(0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6008] <... futex resumed>) = ? [pid 6006] <... futex resumed>) = ? [pid 6004] <... exit_group resumed>) = ? [pid 296] newfstatat(AT_FDCWD, "./4813/cgroup.cpu", [pid 6008] +++ exited with 0 +++ [pid 6006] +++ exited with 0 +++ [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4813/cgroup.cpu") = 0 [pid 296] umount2("./4813/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6004] +++ exited with 0 +++ [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4813/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] unlink("./4813/binderfs" [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... unlink resumed>) = 0 [pid 296] umount2("./4813/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4813/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4813/cgroup") = 0 [pid 296] umount2("./4813/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] <... restart_syscall resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4813/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4813/cgroup.net") = 0 [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] umount2("./4672", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] close(3) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] rmdir("./4813" [pid 293] openat(AT_FDCWD, "./4672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./4814", 0777) = 0 [pid 293] <... openat resumed>) = 3 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] newfstatat(3, "", ./strace-static-x86_64: Process 6018 attached [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14219 [pid 6018] set_robust_list(0x5555568776a0, 24 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6018] <... set_robust_list resumed>) = 0 [pid 293] getdents64(3, [pid 6018] chdir("./4814" [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6018] <... chdir resumed>) = 0 [pid 293] umount2("./4672/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6018] <... prctl resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4672/cgroup.cpu", [pid 6018] setpgid(0, 0) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6018] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 293] unlink("./4672/cgroup.cpu" [pid 6018] <... symlink resumed>) = 0 [pid 6018] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 293] <... unlink resumed>) = 0 [pid 6018] <... symlink resumed>) = 0 [pid 6018] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 293] umount2("./4672/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6018] <... symlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 293] newfstatat(AT_FDCWD, "./4672/binderfs", [pid 6018] <... openat resumed>) = 3 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6018] write(3, "1000", 4 [pid 293] unlink("./4672/binderfs" [pid 6018] <... write resumed>) = 4 [pid 6018] close(3 [pid 293] <... unlink resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 293] umount2("./4672/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6018] symlink("/dev/binderfs", "./binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6018] <... symlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4672/cgroup", [pid 6018] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6018] <... futex resumed>) = 0 [pid 293] unlink("./4672/cgroup" [pid 6018] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 293] <... unlink resumed>) = 0 [pid 6018] <... rt_sigaction resumed>NULL, 8) = 0 [pid 293] umount2("./4672/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 293] newfstatat(AT_FDCWD, "./4672/cgroup.net", [pid 6018] <... mmap resumed>) = 0x7fd4ce11b000 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6018] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 293] unlink("./4672/cgroup.net" [pid 6018] <... mprotect resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] getdents64(3, [pid 6018] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 293] close(3./strace-static-x86_64: Process 6019 attached [pid 6019] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6018] <... clone3 resumed> => {parent_tid=[14220]}, 88) = 14220 [pid 293] <... close resumed>) = 0 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 293] rmdir("./4672" [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... rmdir resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 1 [pid 6019] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 293] mkdir("./4673", 0777 [pid 6018] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] <... bpf resumed>) = 3 [pid 6019] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6019] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] <... mkdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6020 attached [pid 6018] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] set_robust_list(0x5555568776a0, 24 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 1 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13781 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6018] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] chdir("./4673" [pid 6019] <... bpf resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6020] <... chdir resumed>) = 0 [pid 6019] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6019] <... futex resumed>) = 0 [pid 6020] <... prctl resumed>) = 0 [pid 6019] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6020] setpgid(0, 0 [pid 6018] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6020] <... setpgid resumed>) = 0 [pid 6020] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6018] <... mprotect resumed>) = 0 [pid 6020] <... symlink resumed>) = 0 [pid 6020] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6018] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6016] <... bpf resumed>) = 5 [pid 6014] <... bpf resumed>) = 5 [pid 6010] <... bpf resumed>) = 5 [pid 6020] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6018] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6016] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... symlink resumed>) = 0 [pid 6018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6016] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 1 [pid 6013] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6021 attached [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] close(3 [pid 6012] close(3 [pid 6010] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] close(3 [pid 6021] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6020] <... openat resumed>) = 3 [pid 6018] <... clone3 resumed> => {parent_tid=[14221]}, 88) = 14221 [pid 6013] <... close resumed>) = 0 [pid 6012] <... close resumed>) = 0 [pid 6009] <... close resumed>) = 0 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6020] write(3, "1000", 4 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] close(4 [pid 6012] close(4 [pid 6009] close(4 [pid 6021] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] <... write resumed>) = 4 [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] <... close resumed>) = 0 [pid 6012] <... close resumed>) = 0 [pid 6009] <... close resumed>) = 0 [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] close(3 [pid 6018] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(5 [pid 6012] close(5 [pid 6009] close(5 [pid 6021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6020] <... close resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = 0 [pid 6012] <... close resumed>) = 0 [pid 6009] <... close resumed>) = 0 [pid 6021] <... bpf resumed>) = 4 [pid 6020] symlink("/dev/binderfs", "./binderfs" [pid 6018] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] close(6 [pid 6012] close(6 [pid 6009] close(6 [pid 6021] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... symlink resumed>) = 0 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6021] <... futex resumed>) = 0 [pid 6020] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(7 [pid 6012] close(7 [pid 6009] close(7 [pid 6021] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 1 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6019] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6018] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6013] close(8 [pid 6012] close(8 [pid 6009] close(8 [pid 6020] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6013] close(9 [pid 6012] close(9 [pid 6009] close(9 [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6013] close(10 [pid 6012] close(10 [pid 6009] close(10 [pid 6020] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6013] close(11 [pid 6012] close(11 [pid 6009] close(11 [pid 6020] <... mprotect resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6013] close(12 [pid 6012] close(12 [pid 6009] close(12 [pid 6020] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6013] close(13 [pid 6012] close(13 [pid 6009] close(13./strace-static-x86_64: Process 6022 attached [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6020] <... clone3 resumed> => {parent_tid=[13782]}, 88) = 13782 [pid 6013] close(14 [pid 6012] close(14 [pid 6009] close(14 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6020] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] close(15 [pid 6012] close(15 [pid 6009] close(15 [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6020] <... futex resumed>) = 0 [pid 6013] close(16 [pid 6012] close(16 [pid 6009] close(16 [pid 6022] <... bpf resumed>) = 3 [pid 6020] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] close(17 [pid 6012] close(17 [pid 6009] close(17 [pid 6022] <... futex resumed>) = 0 [pid 6020] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6020] <... futex resumed>) = 0 [pid 6013] close(18 [pid 6012] close(18 [pid 6009] close(18 [pid 6020] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] <... bpf resumed>) = 0 [pid 6020] <... futex resumed>) = 0 [pid 6013] close(19 [pid 6012] close(19 [pid 6009] close(19 [pid 6022] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] <... futex resumed>) = 0 [pid 6020] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6013] close(20 [pid 6012] close(20 [pid 6009] close(20 [pid 6022] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... mprotect resumed>) = 0 [pid 6013] close(21 [pid 6012] close(21 [pid 6009] close(21 [pid 6020] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6013] close(22 [pid 6012] close(22 [pid 6009] close(22 [pid 6020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6023 attached [pid 6013] close(23 [pid 6012] close(23 [pid 6009] close(23 [pid 6023] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6020] <... clone3 resumed> => {parent_tid=[13783]}, 88) = 13783 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] <... set_robust_list resumed>) = 0 [pid 6020] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] close(24 [pid 6012] close(24 [pid 6009] close(24 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(25 [pid 6012] close(25 [pid 6009] close(25 [pid 6023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6020] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] close(26 [pid 6012] close(26 [pid 6009] close(26 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] close(27 [pid 6012] close(27 [pid 6009] close(27 [pid 6023] <... bpf resumed>) = 4 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(28 [pid 6012] close(28 [pid 6009] close(28 [pid 6023] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(29 [pid 6012] close(29 [pid 6009] close(29 [pid 6022] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = 1 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6020] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6013] exit_group(0 [pid 6012] exit_group(0 [pid 6009] exit_group(0 [pid 6017] <... futex resumed>) = ? [pid 6016] <... futex resumed>) = ? [pid 6014] <... futex resumed>) = ? [pid 6013] <... exit_group resumed>) = ? [pid 6012] <... exit_group resumed>) = ? [pid 6015] <... futex resumed>) = ? [pid 6010] <... futex resumed>) = ? [pid 6009] <... exit_group resumed>) = ? [pid 6017] +++ exited with 0 +++ [pid 6016] +++ exited with 0 +++ [pid 6014] +++ exited with 0 +++ [pid 6013] +++ exited with 0 +++ [pid 6011] <... futex resumed>) = ? [pid 6010] +++ exited with 0 +++ [pid 6015] +++ exited with 0 +++ [pid 6012] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6011] +++ exited with 0 +++ [pid 6009] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] umount2("./4785", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 295] openat(AT_FDCWD, "./4785", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] <... restart_syscall resumed>) = 0 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 295] getdents64(3, [pid 294] umount2("./4735", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4785/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4847", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4785/cgroup.cpu", [pid 297] openat(AT_FDCWD, "./4847", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] openat(AT_FDCWD, "./4735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 295] unlink("./4785/cgroup.cpu" [pid 294] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 295] umount2("./4785/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(3, "", [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./4847/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4785/binderfs", [pid 297] newfstatat(AT_FDCWD, "./4847/cgroup.cpu", [pid 294] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] unlink("./4847/cgroup.cpu" [pid 295] unlink("./4785/binderfs" [pid 294] umount2("./4735/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] umount2("./4847/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4785/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4735/cgroup.cpu", [pid 297] newfstatat(AT_FDCWD, "./4847/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4785/cgroup", [pid 294] unlink("./4735/cgroup.cpu" [pid 297] unlink("./4847/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] unlink("./4785/cgroup" [pid 294] umount2("./4735/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4847/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4785/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./4847/cgroup", [pid 294] newfstatat(AT_FDCWD, "./4735/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4847/cgroup" [pid 295] newfstatat(AT_FDCWD, "./4785/cgroup.net", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 294] unlink("./4735/binderfs" [pid 297] umount2("./4847/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4785/cgroup.net" [pid 294] <... unlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4847/cgroup.net", [pid 295] <... unlink resumed>) = 0 [pid 294] umount2("./4735/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6022] <... bpf resumed>) = 5 [pid 6019] <... bpf resumed>) = 5 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6022] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4847/cgroup.net" [pid 294] newfstatat(AT_FDCWD, "./4735/cgroup", [pid 6022] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6022] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] close(3 [pid 6019] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] close(3 [pid 297] getdents64(3, [pid 295] close(3 [pid 294] unlink("./4735/cgroup" [pid 6020] <... close resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... close resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6020] close(4 [pid 6018] close(4 [pid 297] close(3 [pid 295] rmdir("./4785" [pid 294] umount2("./4735/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] <... close resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] close(5 [pid 297] rmdir("./4847" [pid 294] newfstatat(AT_FDCWD, "./4735/cgroup.net", [pid 6020] <... close resumed>) = 0 [pid 6018] close(5 [pid 297] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6020] close(6 [pid 297] mkdir("./4848", 0777 [pid 294] unlink("./4735/cgroup.net" [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] mkdir("./4786", 0777 [pid 294] <... unlink resumed>) = 0 [pid 6020] close(7 [pid 6018] close(6 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] getdents64(3, ./strace-static-x86_64: Process 6024 attached [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... mkdir resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6024] set_robust_list(0x5555568776a0, 24 [pid 6020] close(8 [pid 6018] close(7 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14298 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] close(3 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... close resumed>) = 0 [pid 6020] close(9 [pid 294] rmdir("./4735"./strace-static-x86_64: Process 6025 attached [pid 6024] chdir("./4848" [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] close(8 [pid 294] <... rmdir resumed>) = 0 [pid 6025] set_robust_list(0x5555568776a0, 24 [pid 6020] close(10 [pid 294] mkdir("./4736", 0777 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6024] <... chdir resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14116 [pid 294] <... mkdir resumed>) = 0 [pid 6025] chdir("./4786" [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6020] close(11 [pid 6018] close(9 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6026 attached [pid 6025] <... chdir resumed>) = 0 [pid 6024] <... prctl resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] setpgid(0, 0 [pid 6020] close(12 [pid 6018] close(10 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13945 [pid 6026] set_robust_list(0x5555568776a0, 24 [pid 6025] <... prctl resumed>) = 0 [pid 6024] <... setpgid resumed>) = 0 [pid 6026] <... set_robust_list resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6025] setpgid(0, 0 [pid 6020] close(13 [pid 6025] <... setpgid resumed>) = 0 [pid 6024] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] chdir("./4736" [pid 6025] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6020] close(14 [pid 6018] close(11 [pid 6026] <... chdir resumed>) = 0 [pid 6025] <... symlink resumed>) = 0 [pid 6024] <... symlink resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6025] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6024] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6020] close(15 [pid 6018] close(12 [pid 6026] <... prctl resumed>) = 0 [pid 6025] <... symlink resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6025] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6024] <... symlink resumed>) = 0 [pid 6020] close(16 [pid 6026] setpgid(0, 0 [pid 6025] <... symlink resumed>) = 0 [pid 6024] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... setpgid resumed>) = 0 [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6020] close(17 [pid 6025] <... openat resumed>) = 3 [pid 6024] <... symlink resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] close(13 [pid 6026] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6025] write(3, "1000", 4 [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6020] close(18 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6025] <... write resumed>) = 4 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... symlink resumed>) = 0 [pid 6025] close(3 [pid 6020] close(19 [pid 6025] <... close resumed>) = 0 [pid 6024] <... openat resumed>) = 3 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] close(14 [pid 6026] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6025] symlink("/dev/binderfs", "./binderfs" [pid 6024] write(3, "1000", 4 [pid 6020] close(20 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... symlink resumed>) = 0 [pid 6025] <... symlink resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6025] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... write resumed>) = 4 [pid 6020] close(21 [pid 6018] close(15 [pid 6025] <... futex resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... symlink resumed>) = 0 [pid 6025] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6024] close(3 [pid 6020] close(22 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6025] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6024] <... close resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] close(16 [pid 6025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6020] close(23 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6024] symlink("/dev/binderfs", "./binderfs" [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... openat resumed>) = 3 [pid 6025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6020] close(24 [pid 6025] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6024] <... symlink resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] close(17 [pid 6026] write(3, "1000", 4 [pid 6025] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6024] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] close(25 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... write resumed>) = 4 [pid 6025] <... mprotect resumed>) = 0 [pid 6024] <... futex resumed>) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] close(18 [pid 6026] close(3 [pid 6025] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6024] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6020] close(26 [pid 6026] <... close resumed>) = 0 [pid 6025] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6024] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6020] close(27 [pid 6026] symlink("/dev/binderfs", "./binderfs" [pid 6024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6027 attached [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] close(19 [pid 6027] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6026] <... symlink resumed>) = 0 [pid 6025] <... clone3 resumed> => {parent_tid=[14117]}, 88) = 14117 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] close(28 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... set_robust_list resumed>) = 0 [pid 6026] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6027] rt_sigprocmask(SIG_SETMASK, [], [pid 6026] <... futex resumed>) = 0 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] close(29 [pid 6024] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6018] close(20 [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6025] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6026] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6025] <... futex resumed>) = 0 [pid 6024] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6020] exit_group(0 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... bpf resumed>) = 3 [pid 6026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6025] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] <... mprotect resumed>) = 0 [pid 6023] <... futex resumed>) = ? [pid 6022] <... futex resumed>) = ? [pid 6020] <... exit_group resumed>) = ? [pid 6018] close(21 [pid 6027] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6023] +++ exited with 0 +++ [pid 6022] +++ exited with 0 +++ [pid 6020] +++ exited with 0 +++ [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... futex resumed>) = 0 [pid 6026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6025] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6018] close(22 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13781, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6027] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6026] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6025] <... futex resumed>) = 0 [pid 6024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... bpf resumed>) = 0 [pid 6026] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6025] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6028 attached [pid 6027] <... futex resumed>) = 0 [pid 6026] <... mprotect resumed>) = 0 [pid 6025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6018] close(23 [pid 6028] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6027] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6028] <... set_robust_list resumed>) = 0 [pid 6026] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6025] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6024] <... clone3 resumed> => {parent_tid=[14299]}, 88) = 14299 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6026] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6025] <... mprotect resumed>) = 0 [pid 293] umount2("./4673", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6025] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] close(24 [pid 6028] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6029 attached [pid 6025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] openat(AT_FDCWD, "./4673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6030 attached [pid 6029] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6026] <... clone3 resumed> => {parent_tid=[13946]}, 88) = 13946 [pid 6024] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... set_robust_list resumed>) = 0 [pid 6026] rt_sigprocmask(SIG_SETMASK, [], [pid 6030] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6025] <... clone3 resumed> => {parent_tid=[14118]}, 88) = 14118 [pid 6018] close(25 [pid 6028] <... futex resumed>) = 0 [pid 6024] <... futex resumed>) = 1 [pid 293] <... openat resumed>) = 3 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], [pid 6028] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] <... bpf resumed>) = 3 [pid 6026] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6024] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] close(26 [pid 293] newfstatat(3, "", [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6028] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = 0 [pid 6025] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6030] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6029] <... bpf resumed>) = 3 [pid 6028] <... futex resumed>) = 0 [pid 6026] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] <... futex resumed>) = 0 [pid 6024] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] close(27 [pid 293] getdents64(3, [pid 6029] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6025] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... bpf resumed>) = 4 [pid 6029] <... futex resumed>) = 0 [pid 6028] <... bpf resumed>) = 0 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = 0 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6030] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] close(28 [pid 6030] <... futex resumed>) = 1 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 0 [pid 6025] <... futex resumed>) = 0 [pid 6024] <... futex resumed>) = 0 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4673/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6029] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6025] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] <... bpf resumed>) = 0 [pid 6028] <... bpf resumed>) = 4 [pid 6027] <... futex resumed>) = 0 [pid 6026] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 1 [pid 6024] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] close(29 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6029] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6026] <... futex resumed>) = 0 [pid 6025] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4673/cgroup.cpu", [pid 6029] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6024] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] exit_group(0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6029] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6026] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6024] <... futex resumed>) = 0 [pid 6021] <... futex resumed>) = ? [pid 6019] <... futex resumed>) = ? [pid 6018] <... exit_group resumed>) = ? [pid 293] unlink("./4673/cgroup.cpu" [pid 6026] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6024] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6021] +++ exited with 0 +++ [pid 6019] +++ exited with 0 +++ [pid 6018] +++ exited with 0 +++ [pid 6026] <... mprotect resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6026] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 293] umount2("./4673/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6031 attached [pid 293] newfstatat(AT_FDCWD, "./4673/binderfs", [pid 6031] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6026] <... clone3 resumed> => {parent_tid=[13947]}, 88) = 13947 [pid 296] umount2("./4814", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6031] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4673/binderfs" [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... unlink resumed>) = 0 [pid 296] openat(AT_FDCWD, "./4814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6031] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 293] umount2("./4673/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6031] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6026] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... openat resumed>) = 3 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6031] <... bpf resumed>) = 4 [pid 293] newfstatat(AT_FDCWD, "./4673/cgroup", [pid 6031] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(3, "", [pid 6031] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6031] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] unlink("./4673/cgroup" [pid 6029] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6029] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 293] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 6026] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 293] umount2("./4673/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4814/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4673/cgroup.net", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./4814/cgroup.cpu", [pid 293] unlink("./4673/cgroup.net" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4814/cgroup.cpu" [pid 293] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] getdents64(3, [pid 296] umount2("./4814/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] close(3 [pid 296] newfstatat(AT_FDCWD, "./4814/binderfs", [pid 293] <... close resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] rmdir("./4673" [pid 296] unlink("./4814/binderfs" [pid 293] <... rmdir resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] mkdir("./4674", 0777 [pid 296] umount2("./4814/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... mkdir resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] newfstatat(AT_FDCWD, "./4814/cgroup", ./strace-static-x86_64: Process 6032 attached {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6032] set_robust_list(0x5555568776a0, 24 [pid 296] unlink("./4814/cgroup" [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13784 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6032] chdir("./4674" [pid 296] <... unlink resumed>) = 0 [pid 6032] <... chdir resumed>) = 0 [pid 296] umount2("./4814/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6032] setpgid(0, 0) = 0 [pid 6032] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6032] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 296] newfstatat(AT_FDCWD, "./4814/cgroup.net", [pid 6032] <... symlink resumed>) = 0 [pid 6032] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6032] <... symlink resumed>) = 0 [pid 296] unlink("./4814/cgroup.net" [pid 6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6032] write(3, "1000", 4) = 4 [pid 6032] close(3 [pid 296] <... unlink resumed>) = 0 [pid 6032] <... close resumed>) = 0 [pid 6032] symlink("/dev/binderfs", "./binderfs" [pid 6029] <... bpf resumed>) = 5 [pid 6028] <... bpf resumed>) = 5 [pid 6027] <... bpf resumed>) = 5 [pid 296] getdents64(3, [pid 6032] <... symlink resumed>) = 0 [pid 6029] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6032] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 0 [pid 6025] <... futex resumed>) = 0 [pid 6024] <... futex resumed>) = 0 [pid 296] close(3 [pid 6032] <... futex resumed>) = 0 [pid 6029] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] close(3 [pid 6025] close(3 [pid 6024] close(3 [pid 6032] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6026] <... close resumed>) = 0 [pid 6025] <... close resumed>) = 0 [pid 6024] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 6032] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6026] close(4 [pid 6025] close(4 [pid 6024] close(4 [pid 6032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6026] <... close resumed>) = 0 [pid 6025] <... close resumed>) = 0 [pid 296] rmdir("./4814" [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] close(5 [pid 6025] close(5 [pid 6024] <... close resumed>) = 0 [pid 6032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6025] <... close resumed>) = 0 [pid 6032] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6025] close(6 [pid 296] <... rmdir resumed>) = 0 [pid 6032] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(5 [pid 296] mkdir("./4815", 0777 [pid 6032] <... mprotect resumed>) = 0 [pid 6025] close(7 [pid 6032] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6032] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6025] close(8 [pid 6032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6033 attached [pid 6025] close(9 [pid 296] <... mkdir resumed>) = 0 [pid 6033] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6032] <... clone3 resumed> => {parent_tid=[13785]}, 88) = 13785 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6033] <... set_robust_list resumed>) = 0 [pid 6032] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] close(10 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6032] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] close(11 [pid 6032] <... futex resumed>) = 0 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6032] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] close(12) = -1 EBADF (Bad file descriptor) [pid 6025] close(13) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6034 attached [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] close(14 [pid 6034] set_robust_list(0x5555568776a0, 24 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... set_robust_list resumed>) = 0 [pid 6033] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6025] close(15 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14222 [pid 6034] chdir("./4815" [pid 6033] <... bpf resumed>) = 3 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... chdir resumed>) = 0 [pid 6033] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] close(16 [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] <... futex resumed>) = 1 [pid 6032] <... futex resumed>) = 0 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... prctl resumed>) = 0 [pid 6033] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] close(17 [pid 6034] setpgid(0, 0 [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... setpgid resumed>) = 0 [pid 6033] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6032] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] close(18 [pid 6034] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6032] <... futex resumed>) = 0 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... symlink resumed>) = 0 [pid 6033] <... bpf resumed>) = 0 [pid 6032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6025] close(19 [pid 6034] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6033] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... symlink resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6032] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6025] close(20 [pid 6034] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6033] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] <... mprotect resumed>) = 0 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... symlink resumed>) = 0 [pid 6032] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6025] close(21 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6032] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... openat resumed>) = 3 [pid 6032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6025] close(22./strace-static-x86_64: Process 6035 attached [pid 6034] write(3, "1000", 4 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6034] <... write resumed>) = 4 [pid 6032] <... clone3 resumed> => {parent_tid=[13786]}, 88) = 13786 [pid 6025] close(23 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6034] close(3 [pid 6032] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] <... close resumed>) = 0 [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] close(24 [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] symlink("/dev/binderfs", "./binderfs" [pid 6032] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6034] <... symlink resumed>) = 0 [pid 6032] <... futex resumed>) = 0 [pid 6025] close(25 [pid 6034] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... futex resumed>) = 0 [pid 6025] close(26 [pid 6034] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] <... bpf resumed>) = 4 [pid 6034] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6025] close(27 [pid 6035] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] <... futex resumed>) = 1 [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] <... futex resumed>) = 0 [pid 6025] close(28 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6032] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6033] <... futex resumed>) = 0 [pid 6032] <... futex resumed>) = 1 [pid 6025] close(29 [pid 6034] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6033] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6032] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... mprotect resumed>) = 0 [pid 6025] exit_group(0 [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6030] <... futex resumed>) = ? [pid 6027] <... futex resumed>) = ? [pid 6025] <... exit_group resumed>) = ? [pid 6034] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6030] +++ exited with 0 +++ [pid 6027] +++ exited with 0 +++ [pid 6025] +++ exited with 0 +++ [pid 6034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6036 attached [pid 6036] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6034] <... clone3 resumed> => {parent_tid=[14223]}, 88) = 14223 [pid 6036] <... set_robust_list resumed>) = 0 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] umount2("./4786", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6036] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] <... bpf resumed>) = 3 [pid 295] openat(AT_FDCWD, "./4786", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6036] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... openat resumed>) = 3 [pid 6036] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6034] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 295] newfstatat(3, "", [pid 6034] <... futex resumed>) = 0 [pid 6034] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6036] <... bpf resumed>) = 0 [pid 6034] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6036] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... mprotect resumed>) = 0 [pid 6036] <... futex resumed>) = 0 [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] getdents64(3, [pid 6036] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6037 attached [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6037] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6034] <... clone3 resumed> => {parent_tid=[14224]}, 88) = 14224 [pid 295] umount2("./4786/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6037] <... set_robust_list resumed>) = 0 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4786/cgroup.cpu", [pid 6037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6034] <... futex resumed>) = 0 [pid 6037] <... bpf resumed>) = 4 [pid 6034] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6037] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] unlink("./4786/cgroup.cpu" [pid 6037] <... futex resumed>) = 0 [pid 6034] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... futex resumed>) = 1 [pid 6034] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] <... unlink resumed>) = 0 [pid 6036] <... futex resumed>) = 0 [pid 295] umount2("./4786/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6036] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4786/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4786/binderfs") = 0 [pid 295] umount2("./4786/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4786/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4786/cgroup") = 0 [pid 295] umount2("./4786/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4786/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4786/cgroup.net") = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4786") = 0 [pid 295] mkdir("./4787", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6038 attached [pid 6038] set_robust_list(0x5555568776a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14119 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6038] chdir("./4787") = 0 [pid 6038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6038] setpgid(0, 0) = 0 [pid 6038] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6038] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6038] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6038] write(3, "1000", 4) = 4 [pid 6038] close(3) = 0 [pid 6038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6026] <... close resumed>) = 0 [pid 6024] <... close resumed>) = 0 [pid 6038] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] close(6 [pid 6024] close(6 [pid 6038] <... futex resumed>) = 0 [pid 6038] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6026] close(7 [pid 6024] close(7 [pid 6038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6026] close(8 [pid 6024] close(8 [pid 6038] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] <... mprotect resumed>) = 0 [pid 6026] close(9 [pid 6024] close(9 [pid 6038] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] close(10 [pid 6038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6039 attached [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(10 [pid 6039] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6038] <... clone3 resumed> => {parent_tid=[14120]}, 88) = 14120 [pid 6026] close(11 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] <... set_robust_list resumed>) = 0 [pid 6038] rt_sigprocmask(SIG_SETMASK, [], [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(11 [pid 6039] rt_sigprocmask(SIG_SETMASK, [], [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] close(12 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(12 [pid 6039] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6038] <... futex resumed>) = 0 [pid 6026] close(13 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] <... bpf resumed>) = 3 [pid 6038] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(13 [pid 6039] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] close(14 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] close(15 [pid 6024] close(14 [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] <... futex resumed>) = 0 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6038] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6026] close(16 [pid 6024] close(15 [pid 6038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6039] <... bpf resumed>) = 0 [pid 6038] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... mprotect resumed>) = 0 [pid 6026] close(17 [pid 6024] close(16 [pid 6039] <... futex resumed>) = 0 [pid 6038] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6026] close(18 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6040 attached [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(17 [pid 6040] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6026] close(19 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] <... set_robust_list resumed>) = 0 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6026] close(20 [pid 6024] close(18 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] close(21 [pid 6024] close(19 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] close(22 [pid 6024] close(20 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] close(23 [pid 6024] close(21 [pid 6038] <... clone3 resumed> => {parent_tid=[14121]}, 88) = 14121 [pid 6038] rt_sigprocmask(SIG_SETMASK, [], [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] close(24 [pid 6024] close(22 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] close(25 [pid 6024] close(23 [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] close(26 [pid 6038] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] close(24 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] close(27) = -1 EBADF (Bad file descriptor) [pid 6024] close(25 [pid 6026] close(28 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(26 [pid 6026] close(29 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6040] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6038] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(27 [pid 6040] <... bpf resumed>) = 4 [pid 6026] exit_group(0 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = ? [pid 6029] <... futex resumed>) = ? [pid 6026] <... exit_group resumed>) = ? [pid 6024] close(28 [pid 6040] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6031] +++ exited with 0 +++ [pid 6029] +++ exited with 0 +++ [pid 6040] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6038] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6026] +++ exited with 0 +++ [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] <... futex resumed>) = 0 [pid 6039] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6024] close(29) = -1 EBADF (Bad file descriptor) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6024] exit_group(0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6028] <... futex resumed>) = ? [pid 6024] <... exit_group resumed>) = ? [pid 6028] +++ exited with 0 +++ [pid 6024] +++ exited with 0 +++ [pid 294] <... restart_syscall resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 294] umount2("./4736", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... restart_syscall resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] umount2("./4848", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] <... openat resumed>) = 3 [pid 297] openat(AT_FDCWD, "./4848", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4848/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4848/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] unlink("./4848/cgroup.cpu") = 0 [pid 294] umount2("./4736/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4848/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4848/binderfs", [pid 294] newfstatat(AT_FDCWD, "./4736/cgroup.cpu", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4848/binderfs" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4848/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4848/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4736/cgroup.cpu" [pid 297] unlink("./4848/cgroup") = 0 [pid 294] <... unlink resumed>) = 0 [pid 297] umount2("./4848/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4736/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4848/cgroup.net", [pid 294] newfstatat(AT_FDCWD, "./4736/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4848/cgroup.net") = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] getdents64(3, [pid 294] unlink("./4736/binderfs" [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./4848") = 0 [pid 294] <... unlink resumed>) = 0 [pid 297] mkdir("./4849", 0777) = 0 [pid 294] umount2("./4736/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14300 ./strace-static-x86_64: Process 6041 attached [pid 294] newfstatat(AT_FDCWD, "./4736/cgroup", [pid 6041] set_robust_list(0x5555568776a0, 24) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6041] chdir("./4849" [pid 294] unlink("./4736/cgroup" [pid 6041] <... chdir resumed>) = 0 [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 294] <... unlink resumed>) = 0 [pid 6041] <... prctl resumed>) = 0 [pid 294] umount2("./4736/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6041] setpgid(0, 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6041] <... setpgid resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4736/cgroup.net", [pid 6041] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6041] <... symlink resumed>) = 0 [pid 294] unlink("./4736/cgroup.net" [pid 6041] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 294] <... unlink resumed>) = 0 [pid 6041] <... symlink resumed>) = 0 [pid 6041] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 294] getdents64(3, [pid 6041] <... symlink resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] close(3 [pid 6041] <... openat resumed>) = 3 [pid 294] <... close resumed>) = 0 [pid 6041] write(3, "1000", 4 [pid 294] rmdir("./4736" [pid 6041] <... write resumed>) = 4 [pid 6041] close(3 [pid 294] <... rmdir resumed>) = 0 [pid 6041] <... close resumed>) = 0 [pid 294] mkdir("./4737", 0777 [pid 6041] symlink("/dev/binderfs", "./binderfs" [pid 294] <... mkdir resumed>) = 0 [pid 6041] <... symlink resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6041] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6042 attached ) = 0 [pid 6042] set_robust_list(0x5555568776a0, 24 [pid 6041] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13948 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6042] chdir("./4737" [pid 6041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6042] <... chdir resumed>) = 0 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6042] <... prctl resumed>) = 0 [pid 6042] setpgid(0, 0 [pid 6041] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6042] <... setpgid resumed>) = 0 [pid 6041] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6042] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6041] <... mprotect resumed>) = 0 [pid 6042] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6041] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6042] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6041] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6042] <... symlink resumed>) = 0 [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6042] <... openat resumed>) = 3 [pid 6042] write(3, "1000", 4./strace-static-x86_64: Process 6043 attached ) = 4 [pid 6043] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6042] close(3 [pid 6041] <... clone3 resumed> => {parent_tid=[14301]}, 88) = 14301 [pid 6033] <... bpf resumed>) = 5 [pid 6036] <... bpf resumed>) = 5 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6042] <... close resumed>) = 0 [pid 6041] rt_sigprocmask(SIG_SETMASK, [], [pid 6039] <... bpf resumed>) = 5 [pid 6036] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 6042] symlink("/dev/binderfs", "./binderfs" [pid 6033] <... futex resumed>) = 1 [pid 6032] <... futex resumed>) = 0 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] <... symlink resumed>) = 0 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6039] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6033] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] close(3 [pid 6043] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6036] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] close(3 [pid 6032] <... close resumed>) = 0 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6032] close(4 [pid 6043] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6042] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6041] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6038] close(3 [pid 6034] <... close resumed>) = 0 [pid 6032] <... close resumed>) = 0 [pid 6043] <... bpf resumed>) = 3 [pid 6042] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6038] <... close resumed>) = 0 [pid 6034] close(4 [pid 6032] close(5 [pid 6043] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6038] close(4 [pid 6034] <... close resumed>) = 0 [pid 6032] <... close resumed>) = 0 [pid 6043] <... futex resumed>) = 1 [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6038] <... close resumed>) = 0 [pid 6034] close(5 [pid 6032] close(6 [pid 6043] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6041] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] close(5 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6041] <... futex resumed>) = 0 [pid 6032] close(7 [pid 6043] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6042] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6041] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6043] <... bpf resumed>) = 0 [pid 6042] <... mprotect resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6032] close(8 [pid 6043] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6043] <... futex resumed>) = 0 [pid 6042] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6032] close(9 [pid 6041] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6043] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6041] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6044 attached [pid 6041] <... mprotect resumed>) = 0 [pid 6032] close(10 [pid 6044] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6042] <... clone3 resumed> => {parent_tid=[13949]}, 88) = 13949 [pid 6041] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] <... set_robust_list resumed>) = 0 [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 6041] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6032] close(11 [pid 6044] rt_sigprocmask(SIG_SETMASK, [], [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6032] close(12 [pid 6044] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6042] <... futex resumed>) = 0 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6045 attached [pid 6044] <... bpf resumed>) = 3 [pid 6042] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] close(13 [pid 6045] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6044] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] <... set_robust_list resumed>) = 0 [pid 6044] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 6041] <... clone3 resumed> => {parent_tid=[14302]}, 88) = 14302 [pid 6032] close(14 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6044] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... futex resumed>) = 0 [pid 6041] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] close(15 [pid 6045] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6042] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... futex resumed>) = 0 [pid 6032] close(16 [pid 6042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] <... bpf resumed>) = 0 [pid 6042] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6041] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] close(17 [pid 6044] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 1 [pid 6045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6044] <... futex resumed>) = 0 [pid 6042] <... mprotect resumed>) = 0 [pid 6032] close(18 [pid 6045] <... bpf resumed>) = 4 [pid 6044] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6041] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] close(19 [pid 6045] <... futex resumed>) = 0 [pid 6042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6041] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6046 attached [pid 6045] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 1 [pid 6032] close(20 [pid 6046] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6042] <... clone3 resumed> => {parent_tid=[13950]}, 88) = 13950 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... set_robust_list resumed>) = 0 [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 6041] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6032] close(21 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] close(22 [pid 6046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6042] <... futex resumed>) = 0 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] close(23) = -1 EBADF (Bad file descriptor) [pid 6032] close(24) = -1 EBADF (Bad file descriptor) [pid 6032] close(25) = -1 EBADF (Bad file descriptor) [pid 6046] <... bpf resumed>) = 4 [pid 6032] close(26 [pid 6046] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 6032] close(27 [pid 6046] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = 0 [pid 6032] close(28 [pid 6044] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6042] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6032] close(29) = -1 EBADF (Bad file descriptor) [pid 6032] exit_group(0 [pid 6035] <... futex resumed>) = ? [pid 6033] <... futex resumed>) = ? [pid 6032] <... exit_group resumed>) = ? [pid 6035] +++ exited with 0 +++ [pid 6033] +++ exited with 0 +++ [pid 6032] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] umount2("./4674", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4674/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4674/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4674/cgroup.cpu") = 0 [pid 293] umount2("./4674/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4674/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4674/binderfs") = 0 [pid 293] umount2("./4674/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4674/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4674/cgroup") = 0 [pid 293] umount2("./4674/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4674/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4674/cgroup.net") = 0 [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [pid 293] rmdir("./4674") = 0 [pid 293] mkdir("./4675", 0777) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6047 attached [pid 6047] set_robust_list(0x5555568776a0, 24 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13787 [pid 6047] <... set_robust_list resumed>) = 0 [pid 6047] chdir("./4675") = 0 [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6047] setpgid(0, 0) = 0 [pid 6047] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6047] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6047] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6047] write(3, "1000", 4) = 4 [pid 6047] close(3 [pid 6034] <... close resumed>) = 0 [pid 6047] <... close resumed>) = 0 [pid 6047] symlink("/dev/binderfs", "./binderfs" [pid 6038] <... close resumed>) = 0 [pid 6034] close(6 [pid 6047] <... symlink resumed>) = 0 [pid 6047] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] close(6 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] <... futex resumed>) = 0 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(7 [pid 6047] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6038] close(7 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(8 [pid 6047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6038] close(8 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(9 [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6038] close(9 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(10 [pid 6047] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6038] close(10 [pid 6047] <... mprotect resumed>) = 0 [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6038] close(11 [pid 6034] close(11 [pid 6047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6048 attached [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6047] <... clone3 resumed> => {parent_tid=[13788]}, 88) = 13788 [pid 6038] close(12 [pid 6034] close(12 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] close(13 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(13 [pid 6048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6047] <... futex resumed>) = 0 [pid 6048] <... bpf resumed>) = 3 [pid 6047] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] close(14 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(14 [pid 6048] <... futex resumed>) = 0 [pid 6047] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6047] <... futex resumed>) = 0 [pid 6038] close(15 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] <... bpf resumed>) = 0 [pid 6047] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... futex resumed>) = 0 [pid 6038] close(16 [pid 6034] close(15 [pid 6048] <... futex resumed>) = 0 [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6038] close(17 [pid 6034] close(16 [pid 6047] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] <... mprotect resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] close(18 [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(17 [pid 6047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6038] close(19 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(18./strace-static-x86_64: Process 6049 attached [pid 6038] close(20 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6049] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6047] <... clone3 resumed> => {parent_tid=[13789]}, 88) = 13789 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(19 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6038] close(21 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] close(22 [pid 6034] close(20 [pid 6047] <... futex resumed>) = 0 [pid 6049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6047] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6049] <... bpf resumed>) = 4 [pid 6038] close(23 [pid 6034] close(21 [pid 6049] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6049] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6038] close(24 [pid 6034] close(22 [pid 6049] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = 1 [pid 6048] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6047] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6038] close(25 [pid 6034] close(23 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] close(26 [pid 6034] close(24 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] close(27 [pid 6034] close(25 [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] close(28) = -1 EBADF (Bad file descriptor) [pid 6034] close(26 [pid 6038] close(29 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(27 [pid 6038] exit_group(0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] <... futex resumed>) = ? [pid 6039] <... futex resumed>) = ? [pid 6038] <... exit_group resumed>) = ? [pid 6034] close(28 [pid 6040] +++ exited with 0 +++ [pid 6039] +++ exited with 0 +++ [pid 6038] +++ exited with 0 +++ [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(29 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6034] exit_group(0 [pid 6037] <... futex resumed>) = ? [pid 6036] <... futex resumed>) = ? [pid 6034] <... exit_group resumed>) = ? [pid 6037] +++ exited with 0 +++ [pid 295] <... restart_syscall resumed>) = 0 [pid 295] umount2("./4787", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6036] +++ exited with 0 +++ [pid 6034] +++ exited with 0 +++ [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] getdents64(3, [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4787/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4787/cgroup.cpu", [pid 296] umount2("./4815", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4787/cgroup.cpu" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 296] openat(AT_FDCWD, "./4815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./4787/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4787/binderfs", [pid 296] newfstatat(3, "", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] unlink("./4787/binderfs" [pid 296] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 295] umount2("./4787/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4815/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4787/cgroup", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./4815/cgroup.cpu", [pid 295] unlink("./4787/cgroup" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] unlink("./4815/cgroup.cpu" [pid 295] umount2("./4787/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4787/cgroup.net", [pid 296] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4815/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4787/cgroup.net" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(AT_FDCWD, "./4815/binderfs", [pid 295] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... close resumed>) = 0 [pid 296] unlink("./4815/binderfs" [pid 295] rmdir("./4787" [pid 296] <... unlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 296] umount2("./4815/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] mkdir("./4788", 0777 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] newfstatat(AT_FDCWD, "./4815/cgroup", [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14122 ./strace-static-x86_64: Process 6050 attached [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6050] set_robust_list(0x5555568776a0, 24 [pid 296] unlink("./4815/cgroup" [pid 6050] <... set_robust_list resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 6050] chdir("./4788" [pid 296] umount2("./4815/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6050] <... chdir resumed>) = 0 [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6050] <... prctl resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4815/cgroup.net", [pid 6050] setpgid(0, 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6050] <... setpgid resumed>) = 0 [pid 296] unlink("./4815/cgroup.net" [pid 6050] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 296] <... unlink resumed>) = 0 [pid 6050] <... symlink resumed>) = 0 [pid 296] getdents64(3, [pid 6050] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6050] <... symlink resumed>) = 0 [pid 6050] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 296] close(3 [pid 6050] <... symlink resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] rmdir("./4815" [pid 6050] <... openat resumed>) = 3 [pid 6050] write(3, "1000", 4 [pid 296] <... rmdir resumed>) = 0 [pid 6050] <... write resumed>) = 4 [pid 296] mkdir("./4816", 0777 [pid 6050] close(3) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 6050] symlink("/dev/binderfs", "./binderfs" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6050] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6051 attached [pid 6050] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] set_robust_list(0x5555568776a0, 24) = 0 [pid 6050] <... futex resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14225 [pid 6051] chdir("./4816" [pid 6050] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6051] <... chdir resumed>) = 0 [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6050] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6051] setpgid(0, 0 [pid 6050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6051] <... setpgid resumed>) = 0 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6051] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6050] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6051] <... symlink resumed>) = 0 [pid 6050] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6051] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6050] <... mprotect resumed>) = 0 [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6051] write(3, "1000", 4 [pid 6050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6051] <... write resumed>) = 4 [pid 6050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6051] close(3./strace-static-x86_64: Process 6052 attached ) = 0 [pid 6052] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6051] symlink("/dev/binderfs", "./binderfs" [pid 6052] <... set_robust_list resumed>) = 0 [pid 6051] <... symlink resumed>) = 0 [pid 6050] <... clone3 resumed> => {parent_tid=[14123]}, 88) = 14123 [pid 6052] rt_sigprocmask(SIG_SETMASK, [], [pid 6051] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] <... futex resumed>) = 0 [pid 6052] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 6051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6052] <... futex resumed>) = 0 [pid 6051] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6050] <... futex resumed>) = 1 [pid 6052] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6051] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6050] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] <... bpf resumed>) = 3 [pid 6051] <... mprotect resumed>) = 0 [pid 6052] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] <... futex resumed>) = 0 [pid 6051] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6050] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6050] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6053 attached [pid 6052] <... bpf resumed>) = 0 [pid 6050] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6052] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... clone3 resumed> => {parent_tid=[14226]}, 88) = 14226 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], [pid 6050] <... futex resumed>) = 0 [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6052] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6050] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6053] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6051] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... bpf resumed>) = 3 [pid 6050] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6053] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... mprotect resumed>) = 0 [pid 6053] <... futex resumed>) = 1 [pid 6051] <... futex resumed>) = 0 [pid 6053] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6051] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6051] <... futex resumed>) = 0 [pid 6051] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6053] <... bpf resumed>) = 0 [pid 6051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6053] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6051] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6053] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] <... mprotect resumed>) = 0 [pid 6050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6055 attached ./strace-static-x86_64: Process 6054 attached [pid 6055] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6054] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6050] <... clone3 resumed> => {parent_tid=[14124]}, 88) = 14124 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6051] <... clone3 resumed> => {parent_tid=[14227]}, 88) = 14227 [pid 6055] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6051] <... futex resumed>) = 0 [pid 6055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6051] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... bpf resumed>) = 4 [pid 6054] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 1 [pid 6055] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6050] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] <... futex resumed>) = 1 [pid 6054] <... bpf resumed>) = 4 [pid 6051] <... futex resumed>) = 0 [pid 6055] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6054] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6051] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6050] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 1 [pid 6052] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6050] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6043] <... bpf resumed>) = 5 [pid 6048] <... bpf resumed>) = 5 [pid 6044] <... bpf resumed>) = 5 [pid 6053] <... bpf resumed>) = 5 [pid 6052] <... bpf resumed>) = 5 [pid 6048] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 1 [pid 6052] <... futex resumed>) = 1 [pid 6051] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6048] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] close(3 [pid 6044] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... futex resumed>) = 1 [pid 6042] close(3 [pid 6041] <... futex resumed>) = 0 [pid 6053] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] close(3 [pid 6050] close(3 [pid 6047] <... close resumed>) = 0 [pid 6043] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] <... close resumed>) = 0 [pid 6041] close(3 [pid 6051] <... close resumed>) = 0 [pid 6050] <... close resumed>) = 0 [pid 6047] close(4 [pid 6042] close(4 [pid 6041] <... close resumed>) = 0 [pid 6051] close(4 [pid 6050] close(4 [pid 6047] <... close resumed>) = 0 [pid 6042] <... close resumed>) = 0 [pid 6041] close(4 [pid 6051] <... close resumed>) = 0 [pid 6050] <... close resumed>) = 0 [pid 6047] close(5 [pid 6042] close(5 [pid 6041] <... close resumed>) = 0 [pid 6051] close(5 [pid 6050] close(5 [pid 6047] <... close resumed>) = 0 [pid 6042] <... close resumed>) = 0 [pid 6041] close(5 [pid 6051] <... close resumed>) = 0 [pid 6050] <... close resumed>) = 0 [pid 6047] close(6 [pid 6042] close(6 [pid 6041] <... close resumed>) = 0 [pid 6051] close(6 [pid 6050] close(6 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(6 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(7 [pid 6042] close(7 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(7 [pid 6050] close(7 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(7 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(8 [pid 6042] close(8 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(8 [pid 6050] close(8 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(8 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(9 [pid 6042] close(9 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(9 [pid 6050] close(9 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(9 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(10 [pid 6042] close(10 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(10 [pid 6050] close(10 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(10 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(11 [pid 6042] close(11 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(11 [pid 6050] close(11 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(11 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(12 [pid 6042] close(12 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(12 [pid 6050] close(12 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(12 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(13 [pid 6042] close(13 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(13 [pid 6050] close(13 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(13 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(14 [pid 6042] close(14 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(14 [pid 6050] close(14 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(14 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(15 [pid 6042] close(15 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(15 [pid 6050] close(15 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(15 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(16 [pid 6042] close(16 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(16 [pid 6050] close(16 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(16 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(17 [pid 6042] close(17 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(17 [pid 6050] close(17 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(17 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(18 [pid 6042] close(18 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(18 [pid 6050] close(18 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(18 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(19 [pid 6042] close(19 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(19 [pid 6050] close(19 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(19 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(20 [pid 6042] close(20 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(20 [pid 6050] close(20 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(20 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(21 [pid 6042] close(21 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(21 [pid 6050] close(21 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(21 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(22 [pid 6042] close(22 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(22 [pid 6050] close(22 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(22 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(23 [pid 6042] close(23 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(23 [pid 6050] close(23 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(23 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(24 [pid 6042] close(24 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(24 [pid 6050] close(24 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(24 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(25 [pid 6042] close(25 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(25 [pid 6050] close(25 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(25 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(26 [pid 6042] close(26 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(26 [pid 6050] close(26 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(26 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(27 [pid 6042] close(27 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(27 [pid 6050] close(27 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(27 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(28 [pid 6042] close(28 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(28 [pid 6050] close(28 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(28 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] close(29 [pid 6042] close(29 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(29 [pid 6050] close(29 [pid 6047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] close(29 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] exit_group(0 [pid 6042] exit_group(0 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] exit_group(0 [pid 6050] exit_group(0 [pid 6049] <... futex resumed>) = ? [pid 6048] <... futex resumed>) = ? [pid 6047] <... exit_group resumed>) = ? [pid 6046] <... futex resumed>) = ? [pid 6044] <... futex resumed>) = ? [pid 6042] <... exit_group resumed>) = ? [pid 6041] exit_group(0 [pid 6055] <... futex resumed>) = ? [pid 6054] <... futex resumed>) = ? [pid 6053] <... futex resumed>) = ? [pid 6052] <... futex resumed>) = ? [pid 6051] <... exit_group resumed>) = ? [pid 6050] <... exit_group resumed>) = ? [pid 6049] +++ exited with 0 +++ [pid 6048] +++ exited with 0 +++ [pid 6046] +++ exited with 0 +++ [pid 6045] <... futex resumed>) = ? [pid 6043] <... futex resumed>) = ? [pid 6041] <... exit_group resumed>) = ? [pid 6055] +++ exited with 0 +++ [pid 6047] +++ exited with 0 +++ [pid 6045] +++ exited with 0 +++ [pid 6044] +++ exited with 0 +++ [pid 6052] +++ exited with 0 +++ [pid 6043] +++ exited with 0 +++ [pid 6054] +++ exited with 0 +++ [pid 6042] +++ exited with 0 +++ [pid 6041] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... restart_syscall resumed>) = 0 [pid 294] umount2("./4737", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6053] +++ exited with 0 +++ [pid 6050] +++ exited with 0 +++ [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] umount2("./4849", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... openat resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(3, "", [pid 6051] +++ exited with 0 +++ [pid 297] openat(AT_FDCWD, "./4849", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... openat resumed>) = 3 [pid 294] getdents64(3, [pid 297] newfstatat(3, "", [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 294] umount2("./4737/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] getdents64(3, [pid 295] <... restart_syscall resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... restart_syscall resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4737/cgroup.cpu", [pid 297] umount2("./4849/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4737/cgroup.cpu" [pid 297] newfstatat(AT_FDCWD, "./4849/cgroup.cpu", [pid 295] umount2("./4788", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 293] umount2("./4675", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4816", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4737/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4849/cgroup.cpu" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 296] openat(AT_FDCWD, "./4816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... openat resumed>) = 3 [pid 294] newfstatat(AT_FDCWD, "./4737/binderfs", [pid 293] openat(AT_FDCWD, "./4675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] umount2("./4849/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(3, "", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] unlink("./4737/binderfs" [pid 293] <... openat resumed>) = 3 [pid 297] newfstatat(AT_FDCWD, "./4849/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(3, "", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] getdents64(3, [pid 294] umount2("./4737/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4849/binderfs" [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] umount2("./4816/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4788/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4737/cgroup", [pid 297] umount2("./4849/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4816/cgroup.cpu", [pid 295] newfstatat(AT_FDCWD, "./4788/cgroup.cpu", [pid 294] unlink("./4737/cgroup" [pid 297] newfstatat(AT_FDCWD, "./4849/cgroup", [pid 294] <... unlink resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4737/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4849/cgroup" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4737/cgroup.net", [pid 293] umount2("./4675/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4849/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4816/cgroup.cpu" [pid 295] unlink("./4788/cgroup.cpu" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4737/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4849/cgroup.net", [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4675/cgroup.cpu", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4816/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4788/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] getdents64(3, [pid 297] unlink("./4849/cgroup.net" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4816/binderfs", [pid 295] newfstatat(AT_FDCWD, "./4788/binderfs", [pid 294] close(3 [pid 297] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... close resumed>) = 0 [pid 293] unlink("./4675/cgroup.cpu" [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] unlink("./4816/binderfs" [pid 295] unlink("./4788/binderfs" [pid 294] rmdir("./4737" [pid 297] close(3 [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] <... rmdir resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 296] umount2("./4816/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4788/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] mkdir("./4738", 0777 [pid 293] umount2("./4675/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] rmdir("./4849" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... mkdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4816/cgroup", [pid 295] newfstatat(AT_FDCWD, "./4788/cgroup", [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6056 attached [pid 297] mkdir("./4850", 0777 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4675/binderfs", [pid 6056] set_robust_list(0x5555568776a0, 24 [pid 297] <... mkdir resumed>) = 0 [pid 296] unlink("./4816/cgroup" [pid 295] unlink("./4788/cgroup" [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13951 [pid 6056] <... set_robust_list resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6057 attached [pid 6056] chdir("./4738" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] unlink("./4675/binderfs" [pid 6057] set_robust_list(0x5555568776a0, 24 [pid 6056] <... chdir resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14303 [pid 296] umount2("./4816/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4788/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6057] <... set_robust_list resumed>) = 0 [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 6057] chdir("./4850" [pid 6056] <... prctl resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4816/cgroup.net", [pid 6057] <... chdir resumed>) = 0 [pid 6056] setpgid(0, 0 [pid 295] newfstatat(AT_FDCWD, "./4788/cgroup.net", [pid 293] umount2("./4675/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6056] <... setpgid resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6057] <... prctl resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6056] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 296] unlink("./4816/cgroup.net" [pid 295] unlink("./4788/cgroup.net" [pid 293] newfstatat(AT_FDCWD, "./4675/cgroup", [pid 6057] setpgid(0, 0 [pid 6056] <... symlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6057] <... setpgid resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] unlink("./4675/cgroup" [pid 6056] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 296] getdents64(3, [pid 6057] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 295] getdents64(3, [pid 293] <... unlink resumed>) = 0 [pid 6057] <... symlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] umount2("./4675/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6056] <... symlink resumed>) = 0 [pid 295] close(3 [pid 6057] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... close resumed>) = 0 [pid 6057] <... symlink resumed>) = 0 [pid 6056] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 296] close(3 [pid 295] rmdir("./4788" [pid 293] newfstatat(AT_FDCWD, "./4675/cgroup.net", [pid 6057] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6056] <... symlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... close resumed>) = 0 [pid 6057] <... symlink resumed>) = 0 [pid 296] rmdir("./4816" [pid 295] mkdir("./4789", 0777 [pid 293] unlink("./4675/cgroup.net" [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... rmdir resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 293] getdents64(3, [pid 6056] <... openat resumed>) = 3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6057] <... openat resumed>) = 3 [pid 293] close(3./strace-static-x86_64: Process 6058 attached [pid 296] mkdir("./4817", 0777 [pid 293] <... close resumed>) = 0 [pid 6056] write(3, "1000", 4 [pid 6058] set_robust_list(0x5555568776a0, 24 [pid 6057] write(3, "1000", 4 [pid 6058] <... set_robust_list resumed>) = 0 [pid 6058] chdir("./4789" [pid 296] <... mkdir resumed>) = 0 [pid 293] rmdir("./4675" [pid 6058] <... chdir resumed>) = 0 [pid 6057] <... write resumed>) = 4 [pid 6056] <... write resumed>) = 4 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14125 [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6058] setpgid(0, 0 [pid 6057] close(3 [pid 6056] close(3 [pid 293] <... rmdir resumed>) = 0 [pid 6058] <... setpgid resumed>) = 0 [pid 6058] symlink("/syzcgroup/unified/syz0", "./cgroup"./strace-static-x86_64: Process 6059 attached ) = 0 [pid 6057] <... close resumed>) = 0 [pid 6056] <... close resumed>) = 0 [pid 293] mkdir("./4676", 0777 [pid 6059] set_robust_list(0x5555568776a0, 24 [pid 6058] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6057] symlink("/dev/binderfs", "./binderfs" [pid 6056] symlink("/dev/binderfs", "./binderfs" [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14228 [pid 6059] <... set_robust_list resumed>) = 0 [pid 6058] <... symlink resumed>) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 6059] chdir("./4817" [pid 6058] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6057] <... symlink resumed>) = 0 [pid 6056] <... symlink resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6059] <... chdir resumed>) = 0 [pid 6058] <... symlink resumed>) = 0 [pid 6057] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] <... prctl resumed>) = 0 [pid 6058] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6060 attached [pid 6059] setpgid(0, 0 [pid 6058] write(3, "1000", 4 [pid 6056] <... futex resumed>) = 0 [pid 6057] <... futex resumed>) = 0 [pid 6060] set_robust_list(0x5555568776a0, 24 [pid 6059] <... setpgid resumed>) = 0 [pid 6058] <... write resumed>) = 4 [pid 6057] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6056] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13790 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6059] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6058] close(3 [pid 6057] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6056] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6060] chdir("./4676" [pid 6059] <... symlink resumed>) = 0 [pid 6058] <... close resumed>) = 0 [pid 6057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6060] <... chdir resumed>) = 0 [pid 6059] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6058] symlink("/dev/binderfs", "./binderfs" [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6059] <... symlink resumed>) = 0 [pid 6058] <... symlink resumed>) = 0 [pid 6057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6060] <... prctl resumed>) = 0 [pid 6059] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6058] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6056] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6060] setpgid(0, 0 [pid 6059] <... symlink resumed>) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6057] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6056] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6060] <... setpgid resumed>) = 0 [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6058] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6057] <... mprotect resumed>) = 0 [pid 6060] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6059] <... openat resumed>) = 3 [pid 6058] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6056] <... mprotect resumed>) = 0 [pid 6059] write(3, "1000", 4 [pid 6058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6060] <... symlink resumed>) = 0 [pid 6059] <... write resumed>) = 4 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] close(3 [pid 6058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6060] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6059] <... close resumed>) = 0 [pid 6058] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6060] <... symlink resumed>) = 0 [pid 6059] symlink("/dev/binderfs", "./binderfs" [pid 6058] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6061 attached [pid 6060] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6059] <... symlink resumed>) = 0 [pid 6058] <... mprotect resumed>) = 0 [pid 6056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6062 attached [pid 6061] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6060] <... symlink resumed>) = 0 [pid 6059] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6057] <... clone3 resumed> => {parent_tid=[14304]}, 88) = 14304 [pid 6062] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] <... futex resumed>) = 0 [pid 6058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6057] rt_sigprocmask(SIG_SETMASK, [], [pid 6056] <... clone3 resumed> => {parent_tid=[13952]}, 88) = 13952 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6061] rt_sigprocmask(SIG_SETMASK, [], [pid 6060] <... openat resumed>) = 3 [pid 6059] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6063 attached [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] write(3, "1000", 4 [pid 6059] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6057] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6060] <... write resumed>) = 4 [pid 6059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6058] <... clone3 resumed> => {parent_tid=[14126]}, 88) = 14126 [pid 6057] <... futex resumed>) = 0 [pid 6056] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... set_robust_list resumed>) = 0 [pid 6062] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6061] <... bpf resumed>) = 3 [pid 6060] close(3 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... futex resumed>) = 0 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... bpf resumed>) = 3 [pid 6061] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... close resumed>) = 0 [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... futex resumed>) = 0 [pid 6060] symlink("/dev/binderfs", "./binderfs" [pid 6059] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6058] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6063] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6062] <... futex resumed>) = 0 [pid 6061] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6060] <... symlink resumed>) = 0 [pid 6059] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6058] <... futex resumed>) = 0 [pid 6057] <... futex resumed>) = 0 [pid 6056] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... bpf resumed>) = 3 [pid 6062] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6061] <... bpf resumed>) = 0 [pid 6060] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... mprotect resumed>) = 0 [pid 6058] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... futex resumed>) = 0 [pid 6063] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... bpf resumed>) = 0 [pid 6061] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... futex resumed>) = 0 [pid 6059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] <... futex resumed>) = 0 [pid 6056] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... futex resumed>) = 0 [pid 6062] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... futex resumed>) = 0 [pid 6060] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6058] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] <... futex resumed>) = 0 [pid 6063] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6062] <... futex resumed>) = 0 [pid 6061] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6058] <... futex resumed>) = 0 [pid 6057] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6064 attached [pid 6063] <... bpf resumed>) = 0 [pid 6062] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6058] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6056] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6064] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6063] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] <... clone3 resumed> => {parent_tid=[14229]}, 88) = 14229 [pid 6058] <... futex resumed>) = 0 [pid 6057] <... mprotect resumed>) = 0 [pid 6056] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6064] <... set_robust_list resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 6063] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6056] <... mprotect resumed>) = 0 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6059] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6064] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6060] <... mprotect resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6058] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6065 attached [pid 6064] <... bpf resumed>) = 3 [pid 6059] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6065] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6064] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6057] <... clone3 resumed> => {parent_tid=[14305]}, 88) = 14305 [pid 6056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6065] <... set_robust_list resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6059] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6057] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6068 attached ./strace-static-x86_64: Process 6067 attached ./strace-static-x86_64: Process 6066 attached [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6064] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6059] <... futex resumed>) = 0 [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6067] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6066] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] <... bpf resumed>) = 0 [pid 6060] <... clone3 resumed> => {parent_tid=[13791]}, 88) = 13791 [pid 6059] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... clone3 resumed> => {parent_tid=[14127]}, 88) = 14127 [pid 6057] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... clone3 resumed> => {parent_tid=[13953]}, 88) = 13953 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6064] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 6059] <... futex resumed>) = 0 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] <... futex resumed>) = 0 [pid 6056] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... bpf resumed>) = 4 [pid 6064] <... futex resumed>) = 0 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6058] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6067] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6065] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 0 [pid 6059] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6058] <... futex resumed>) = 0 [pid 6057] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... futex resumed>) = 0 [pid 6068] <... bpf resumed>) = 4 [pid 6067] <... bpf resumed>) = 3 [pid 6066] <... bpf resumed>) = 4 [pid 6065] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] <... futex resumed>) = 0 [pid 6060] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... mprotect resumed>) = 0 [pid 6058] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] <... futex resumed>) = 1 [pid 6056] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6068] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... futex resumed>) = 0 [pid 6067] <... futex resumed>) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6061] <... bpf resumed>) = 5 [pid 6060] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6058] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6066] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6061] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... futex resumed>) = 0 [pid 6059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6058] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6069 attached [pid 6067] <... bpf resumed>) = 0 [pid 6063] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6061] <... futex resumed>) = 1 [pid 6060] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6057] <... futex resumed>) = 0 [pid 6056] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6069] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6067] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... bpf resumed>) = 5 [pid 6062] <... bpf resumed>) = 5 [pid 6061] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... futex resumed>) = 0 [pid 6059] <... clone3 resumed> => {parent_tid=[14230]}, 88) = 14230 [pid 6057] close(3 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6067] <... futex resumed>) = 0 [pid 6063] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6057] <... close resumed>) = 0 [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 1 [pid 6060] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] <... futex resumed>) = 0 [pid 6057] close(4 [pid 6056] <... futex resumed>) = 0 [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] close(3 [pid 6057] <... close resumed>) = 0 [pid 6056] close(3 [pid 6069] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... mprotect resumed>) = 0 [pid 6059] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... close resumed>) = 0 [pid 6057] close(5 [pid 6056] <... close resumed>) = 0 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6059] <... futex resumed>) = 0 [pid 6058] close(4 [pid 6056] close(4 [pid 6057] <... close resumed>) = 0 [pid 6069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6059] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] <... close resumed>) = 0 [pid 6057] close(6 [pid 6056] <... close resumed>) = 0 [pid 6058] close(5 [pid 6056] close(5 [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] <... bpf resumed>) = 4 [pid 6057] close(7./strace-static-x86_64: Process 6070 attached [pid 6069] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6070] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6069] <... futex resumed>) = 1 [pid 6060] <... clone3 resumed> => {parent_tid=[13792]}, 88) = 13792 [pid 6059] <... futex resumed>) = 0 [pid 6057] close(8 [pid 6070] <... set_robust_list resumed>) = 0 [pid 6069] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 6059] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6070] rt_sigprocmask(SIG_SETMASK, [], [pid 6064] <... futex resumed>) = 0 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] <... futex resumed>) = 1 [pid 6057] close(9 [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6060] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6060] <... futex resumed>) = 0 [pid 6057] close(10 [pid 6070] <... bpf resumed>) = 4 [pid 6060] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6070] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] close(11 [pid 6070] <... futex resumed>) = 0 [pid 6060] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6070] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 6057] close(12 [pid 6067] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6060] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] close(13) = -1 EBADF (Bad file descriptor) [pid 6057] close(14) = -1 EBADF (Bad file descriptor) [pid 6057] close(15) = -1 EBADF (Bad file descriptor) [pid 6057] close(16) = -1 EBADF (Bad file descriptor) [pid 6057] close(17) = -1 EBADF (Bad file descriptor) [pid 6057] close(18) = -1 EBADF (Bad file descriptor) [pid 6057] close(19) = -1 EBADF (Bad file descriptor) [pid 6057] close(20) = -1 EBADF (Bad file descriptor) [pid 6057] close(21) = -1 EBADF (Bad file descriptor) [pid 6057] close(22) = -1 EBADF (Bad file descriptor) [pid 6057] close(23) = -1 EBADF (Bad file descriptor) [pid 6057] close(24) = -1 EBADF (Bad file descriptor) [pid 6057] close(25) = -1 EBADF (Bad file descriptor) [pid 6057] close(26) = -1 EBADF (Bad file descriptor) [pid 6057] close(27) = -1 EBADF (Bad file descriptor) [pid 6057] close(28) = -1 EBADF (Bad file descriptor) [pid 6057] close(29) = -1 EBADF (Bad file descriptor) [pid 6057] exit_group(0 [pid 6065] <... futex resumed>) = ? [pid 6061] <... futex resumed>) = ? [pid 6057] <... exit_group resumed>) = ? [pid 6065] +++ exited with 0 +++ [pid 6061] +++ exited with 0 +++ [pid 6057] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./4850", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4850", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4850/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4850/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4850/cgroup.cpu") = 0 [pid 297] umount2("./4850/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4850/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4850/binderfs") = 0 [pid 297] umount2("./4850/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4850/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4850/cgroup") = 0 [pid 297] umount2("./4850/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4850/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4850/cgroup.net") = 0 [pid 297] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./4850") = 0 [pid 297] mkdir("./4851", 0777 [pid 6058] <... close resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 6058] close(6 [pid 6056] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6071 attached [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(6 [pid 6071] set_robust_list(0x5555568776a0, 24 [pid 6058] close(7 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14306 [pid 6071] <... set_robust_list resumed>) = 0 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(7 [pid 6071] chdir("./4851" [pid 6058] close(8 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] <... chdir resumed>) = 0 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(8 [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6058] close(9 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] <... prctl resumed>) = 0 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(9 [pid 6071] setpgid(0, 0 [pid 6058] close(10 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] <... setpgid resumed>) = 0 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(10 [pid 6058] close(11) = -1 EBADF (Bad file descriptor) [pid 6071] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6058] close(12 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6058] close(13) = -1 EBADF (Bad file descriptor) [pid 6058] close(14) = -1 EBADF (Bad file descriptor) [pid 6071] <... symlink resumed>) = 0 [pid 6058] close(15 [pid 6056] close(11 [pid 6071] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6058] close(16 [pid 6071] <... symlink resumed>) = 0 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(12 [pid 6071] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6058] close(17 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] <... symlink resumed>) = 0 [pid 6058] close(18 [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(13 [pid 6058] close(19) = -1 EBADF (Bad file descriptor) [pid 6071] <... openat resumed>) = 3 [pid 6058] close(20 [pid 6071] write(3, "1000", 4 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] <... write resumed>) = 4 [pid 6058] close(21 [pid 6056] close(14 [pid 6071] close(3 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] <... close resumed>) = 0 [pid 6058] close(22 [pid 6056] close(15 [pid 6071] symlink("/dev/binderfs", "./binderfs" [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6058] close(23) = -1 EBADF (Bad file descriptor) [pid 6058] close(24) = -1 EBADF (Bad file descriptor) [pid 6071] <... symlink resumed>) = 0 [pid 6058] close(25 [pid 6056] close(16 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] close(26 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] <... futex resumed>) = 0 [pid 6071] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(17 [pid 6071] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6058] close(27 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(18 [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] close(28 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(19 [pid 6071] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6058] close(29 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(20 [pid 6071] <... mprotect resumed>) = 0 [pid 6058] exit_group(0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... futex resumed>) = ? [pid 6058] <... exit_group resumed>) = ? [pid 6071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6068] <... futex resumed>) = ? [pid 6063] +++ exited with 0 +++ [pid 6056] close(21 [pid 6071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6068] +++ exited with 0 +++ [pid 6071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6058] +++ exited with 0 +++ [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6072 attached [pid 6056] close(22 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6072] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6071] <... clone3 resumed> => {parent_tid=[14307]}, 88) = 14307 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6072] <... set_robust_list resumed>) = 0 [pid 6071] rt_sigprocmask(SIG_SETMASK, [], [pid 6056] close(23 [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] close(24 [pid 6072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6071] <... futex resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... restart_syscall resumed>) = 0 [pid 6072] <... bpf resumed>) = 3 [pid 6071] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] close(25 [pid 6072] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] <... futex resumed>) = 0 [pid 6071] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] close(26 [pid 6072] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6071] <... futex resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4789", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] <... bpf resumed>) = 0 [pid 6071] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] close(27 [pid 6072] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... futex resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] <... futex resumed>) = 0 [pid 6071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] close(28 [pid 295] openat(AT_FDCWD, "./4789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6072] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6056] close(29 [pid 295] <... openat resumed>) = 3 [pid 6071] <... mprotect resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(3, "", [pid 6071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6056] exit_group(0 [pid 6071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6066] <... futex resumed>) = ? [pid 6062] <... futex resumed>) = ? [pid 6056] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6073 attached [pid 6066] +++ exited with 0 +++ [pid 6062] +++ exited with 0 +++ [pid 295] getdents64(3, [pid 6073] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6073] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] +++ exited with 0 +++ [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6071] <... clone3 resumed> => {parent_tid=[14308]}, 88) = 14308 [pid 295] umount2("./4789/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6071] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] newfstatat(AT_FDCWD, "./4789/cgroup.cpu", [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6071] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4789/cgroup.cpu" [pid 6073] <... futex resumed>) = 0 [pid 6071] <... futex resumed>) = 1 [pid 295] <... unlink resumed>) = 0 [pid 6073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 6071] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] umount2("./4789/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... restart_syscall resumed>) = 0 [pid 6073] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6073] <... futex resumed>) = 0 [pid 6071] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(AT_FDCWD, "./4789/binderfs", [pid 6073] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... futex resumed>) = 0 [pid 6071] <... futex resumed>) = 1 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6071] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] unlink("./4789/binderfs" [pid 294] umount2("./4738", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4789/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] openat(AT_FDCWD, "./4738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... openat resumed>) = 3 [pid 295] newfstatat(AT_FDCWD, "./4789/cgroup", [pid 294] newfstatat(3, "", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] unlink("./4789/cgroup" [pid 294] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 295] umount2("./4789/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4789/cgroup.net", [pid 294] umount2("./4738/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4789/cgroup.net" [pid 294] newfstatat(AT_FDCWD, "./4738/cgroup.cpu", [pid 295] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 294] unlink("./4738/cgroup.cpu" [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 294] <... unlink resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 294] umount2("./4738/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] rmdir("./4789" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... rmdir resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4738/binderfs", [pid 295] mkdir("./4790", 0777 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 294] unlink("./4738/binderfs" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6074 attached [pid 294] umount2("./4738/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6074] set_robust_list(0x5555568776a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14128 [pid 6074] <... set_robust_list resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6074] chdir("./4790") = 0 [pid 294] newfstatat(AT_FDCWD, "./4738/cgroup", [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6074] setpgid(0, 0 [pid 294] unlink("./4738/cgroup" [pid 6074] <... setpgid resumed>) = 0 [pid 6074] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 294] <... unlink resumed>) = 0 [pid 6074] <... symlink resumed>) = 0 [pid 294] umount2("./4738/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6074] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6074] <... symlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4738/cgroup.net", [pid 6074] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] unlink("./4738/cgroup.net" [pid 6074] <... openat resumed>) = 3 [pid 6067] <... bpf resumed>) = 5 [pid 6064] <... bpf resumed>) = 5 [pid 6072] <... bpf resumed>) = 5 [pid 6074] write(3, "1000", 4) = 4 [pid 6072] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... unlink resumed>) = 0 [pid 6074] close(3 [pid 6072] <... futex resumed>) = 1 [pid 6071] <... futex resumed>) = 0 [pid 6067] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] getdents64(3, [pid 6074] <... close resumed>) = 0 [pid 6072] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] close(3 [pid 6067] <... futex resumed>) = 1 [pid 6064] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6074] symlink("/dev/binderfs", "./binderfs" [pid 6071] <... close resumed>) = 0 [pid 6067] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6059] close(3 [pid 6074] <... symlink resumed>) = 0 [pid 6071] close(4 [pid 6060] close(3 [pid 294] close(3 [pid 6074] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... close resumed>) = 0 [pid 6060] <... close resumed>) = 0 [pid 6059] <... close resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6071] close(5 [pid 6060] close(4 [pid 6059] close(4 [pid 294] <... close resumed>) = 0 [pid 6074] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6071] <... close resumed>) = 0 [pid 6060] <... close resumed>) = 0 [pid 6074] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6071] close(6 [pid 6059] <... close resumed>) = 0 [pid 6060] close(5 [pid 294] rmdir("./4738" [pid 6074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = 0 [pid 6059] close(5 [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 294] <... rmdir resumed>) = 0 [pid 6074] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6074] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6071] close(7 [pid 6060] close(6 [pid 6059] <... close resumed>) = 0 [pid 294] mkdir("./4739", 0777 [pid 6074] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(6 [pid 6074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6075 attached [pid 6075] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6074] <... clone3 resumed> => {parent_tid=[14129]}, 88) = 14129 [pid 294] <... mkdir resumed>) = 0 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] close(8 [pid 6060] close(7 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6075] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(7 [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6074] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6076 attached [pid 6075] <... bpf resumed>) = 3 [pid 6074] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] close(8 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] close(9 [pid 6076] set_robust_list(0x5555568776a0, 24 [pid 6075] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(8 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13954 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] <... futex resumed>) = 0 [pid 6074] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] close(10 [pid 6060] close(9 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] chdir("./4739" [pid 6075] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6074] <... futex resumed>) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... chdir resumed>) = 0 [pid 6075] <... bpf resumed>) = 0 [pid 6074] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] close(11 [pid 6060] close(10 [pid 6059] close(9 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... prctl resumed>) = 0 [pid 6075] <... futex resumed>) = 0 [pid 6074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6071] close(12 [pid 6060] close(11 [pid 6059] close(10 [pid 6076] setpgid(0, 0 [pid 6075] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6074] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... setpgid resumed>) = 0 [pid 6074] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6071] close(13 [pid 6074] <... mprotect resumed>) = 0 [pid 6060] close(12 [pid 6059] close(11 [pid 6076] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6074] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... symlink resumed>) = 0 [pid 6074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6077 attached [pid 6076] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6071] close(14 [pid 6060] close(13 [pid 6059] close(12 [pid 6077] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6074] <... clone3 resumed> => {parent_tid=[14130]}, 88) = 14130 [pid 6077] <... set_robust_list resumed>) = 0 [pid 6076] <... symlink resumed>) = 0 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6077] rt_sigprocmask(SIG_SETMASK, [], [pid 6076] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] close(15 [pid 6060] close(14 [pid 6059] close(13 [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... symlink resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6074] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] close(16 [pid 6059] close(14 [pid 6060] close(15 [pid 6077] <... bpf resumed>) = 4 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6077] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... openat resumed>) = 3 [pid 6071] close(17 [pid 6060] close(16 [pid 6059] close(15 [pid 6077] <... futex resumed>) = 1 [pid 6076] write(3, "1000", 4 [pid 6074] <... futex resumed>) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6077] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] <... write resumed>) = 4 [pid 6074] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] close(18 [pid 6060] close(17 [pid 6059] close(16 [pid 6076] close(3 [pid 6075] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 1 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = 0 [pid 6075] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6074] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6071] close(19 [pid 6060] close(18 [pid 6059] close(17 [pid 6076] symlink("/dev/binderfs", "./binderfs" [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... symlink resumed>) = 0 [pid 6071] close(20 [pid 6060] close(19 [pid 6059] close(18 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] close(21 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(19 [pid 6076] <... futex resumed>) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(20 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6071] close(22 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(20 [pid 6076] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(21 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6071] close(23 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(21 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(22 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6071] close(24 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(22 [pid 6076] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(23 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6071] close(25 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(23 [pid 6076] <... mprotect resumed>) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(24 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6071] close(26 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(24 [pid 6076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(25 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6071] close(27 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(25./strace-static-x86_64: Process 6078 attached [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(26 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6076] <... clone3 resumed> => {parent_tid=[13955]}, 88) = 13955 [pid 6071] close(28 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(26 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(27 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] close(29 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(27 [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(28 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] <... futex resumed>) = 0 [pid 6071] exit_group(0 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(28 [pid 6078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6076] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... futex resumed>) = ? [pid 6072] <... futex resumed>) = ? [pid 6071] <... exit_group resumed>) = ? [pid 6060] close(29 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... bpf resumed>) = 3 [pid 6073] +++ exited with 0 +++ [pid 6072] +++ exited with 0 +++ [pid 6078] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6078] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] +++ exited with 0 +++ [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(29 [pid 6076] <... futex resumed>) = 0 [pid 6060] exit_group(0 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6076] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = ? [pid 6078] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6067] <... futex resumed>) = ? [pid 6060] <... exit_group resumed>) = ? [pid 6059] exit_group(0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6078] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6076] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] +++ exited with 0 +++ [pid 297] <... restart_syscall resumed>) = 0 [pid 6078] <... bpf resumed>) = 0 [pid 6078] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] +++ exited with 0 +++ [pid 6060] +++ exited with 0 +++ [pid 6078] <... futex resumed>) = 0 [pid 297] umount2("./4851", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6076] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = ? [pid 6078] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6069] <... futex resumed>) = ? [pid 6059] <... exit_group resumed>) = ? [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6064] +++ exited with 0 +++ [pid 6076] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6069] +++ exited with 0 +++ [pid 297] openat(AT_FDCWD, "./4851", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 6059] +++ exited with 0 +++ [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4851/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6076] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6076] <... mprotect resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4851/cgroup.cpu", [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 6076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 6076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] unlink("./4851/cgroup.cpu" [pid 293] <... restart_syscall resumed>) = 0 [pid 6076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] <... unlink resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6079 attached [pid 297] umount2("./4851/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6079] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6076] <... clone3 resumed> => {parent_tid=[13956]}, 88) = 13956 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... set_robust_list resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4851/binderfs", [pid 293] umount2("./4676", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4817", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] unlink("./4851/binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] <... futex resumed>) = 0 [pid 297] umount2("./4851/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] openat(AT_FDCWD, "./4817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6076] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... openat resumed>) = 3 [pid 6079] <... bpf resumed>) = 4 [pid 297] newfstatat(AT_FDCWD, "./4851/cgroup", [pid 296] <... openat resumed>) = 3 [pid 293] newfstatat(3, "", [pid 6079] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... bpf resumed>) = 5 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(3, "", [pid 6079] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = 0 [pid 6075] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4851/cgroup" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6079] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 1 [pid 6074] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 6078] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6075] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6074] close(3 [pid 297] umount2("./4851/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 6078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6076] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6074] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6078] <... bpf resumed>) = 5 [pid 6074] close(4 [pid 297] newfstatat(AT_FDCWD, "./4851/cgroup.net", [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6078] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4817/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6078] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = 0 [pid 6074] close(5 [pid 297] unlink("./4851/cgroup.net" [pid 293] umount2("./4676/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6078] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] close(3 [pid 297] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6076] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./4817/cgroup.cpu", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6076] close(4 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4676/cgroup.cpu", [pid 6076] <... close resumed>) = 0 [pid 297] close(3 [pid 296] unlink("./4817/cgroup.cpu" [pid 6076] close(5 [pid 297] <... close resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] rmdir("./4851") = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] unlink("./4676/cgroup.cpu" [pid 297] mkdir("./4852", 0777 [pid 296] umount2("./4817/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... mkdir resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4676/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6080 attached [pid 296] newfstatat(AT_FDCWD, "./4817/binderfs", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14309 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4676/binderfs", [pid 6080] <... set_robust_list resumed>) = 0 [pid 296] unlink("./4817/binderfs" [pid 6080] chdir("./4852" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 6080] <... chdir resumed>) = 0 [pid 296] umount2("./4817/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4676/binderfs" [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] <... prctl resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4817/cgroup", [pid 293] <... unlink resumed>) = 0 [pid 6080] setpgid(0, 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4676/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6080] <... setpgid resumed>) = 0 [pid 296] unlink("./4817/cgroup" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 293] newfstatat(AT_FDCWD, "./4676/cgroup", [pid 296] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 296] umount2("./4817/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4676/cgroup" [pid 6080] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 6080] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 296] newfstatat(AT_FDCWD, "./4817/cgroup.net", [pid 293] umount2("./4676/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6080] <... symlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] unlink("./4817/cgroup.net" [pid 293] newfstatat(AT_FDCWD, "./4676/cgroup.net", [pid 6080] <... openat resumed>) = 3 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6080] write(3, "1000", 4 [pid 296] <... unlink resumed>) = 0 [pid 293] unlink("./4676/cgroup.net" [pid 6080] <... write resumed>) = 4 [pid 296] getdents64(3, [pid 6080] close(3 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6080] <... close resumed>) = 0 [pid 296] close(3 [pid 293] getdents64(3, [pid 6080] symlink("/dev/binderfs", "./binderfs" [pid 296] <... close resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 296] rmdir("./4817" [pid 293] close(3 [pid 6080] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./4818", 0777 [pid 293] <... close resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 293] rmdir("./4676" [pid 6080] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6081 attached [pid 6080] <... rt_sigaction resumed>NULL, 8) = 0 [pid 293] mkdir("./4677", 0777 [pid 6081] set_robust_list(0x5555568776a0, 24 [pid 6080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14231 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6081] chdir("./4818" [pid 293] <... mkdir resumed>) = 0 [pid 6081] <... chdir resumed>) = 0 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6081] <... prctl resumed>) = 0 [pid 6081] setpgid(0, 0) = 0 [pid 6081] symlink("/syzcgroup/unified/syz4", "./cgroup"./strace-static-x86_64: Process 6082 attached ) = 0 [pid 6080] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6082] set_robust_list(0x5555568776a0, 24 [pid 6081] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6080] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13793 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6081] <... symlink resumed>) = 0 [pid 6081] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6080] <... mprotect resumed>) = 0 [pid 6082] chdir("./4677" [pid 6081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] <... chdir resumed>) = 0 [pid 6081] <... openat resumed>) = 3 [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6081] write(3, "1000", 4 [pid 6080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6082] <... prctl resumed>) = 0 [pid 6081] <... write resumed>) = 4 [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6082] setpgid(0, 0 [pid 6081] close(3) = 0 [pid 6081] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6083 attached [pid 6082] <... setpgid resumed>) = 0 [pid 6081] <... symlink resumed>) = 0 [pid 6083] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6081] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6082] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6081] <... futex resumed>) = 0 [pid 6080] <... clone3 resumed> => {parent_tid=[14310]}, 88) = 14310 [pid 6083] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] <... symlink resumed>) = 0 [pid 6081] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6082] <... symlink resumed>) = 0 [pid 6081] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6080] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6081] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6083] <... futex resumed>) = 0 [pid 6080] <... futex resumed>) = 1 [pid 6083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6082] <... symlink resumed>) = 0 [pid 6081] <... mprotect resumed>) = 0 [pid 6080] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] <... bpf resumed>) = 3 [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6083] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6083] <... futex resumed>) = 1 [pid 6082] <... openat resumed>) = 3 [pid 6081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6080] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6084 attached [pid 6083] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] write(3, "1000", 4 [pid 6080] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] <... write resumed>) = 4 [pid 6081] <... clone3 resumed> => {parent_tid=[14232]}, 88) = 14232 [pid 6080] <... futex resumed>) = 0 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6083] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6082] close(3 [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] <... bpf resumed>) = 0 [pid 6082] <... close resumed>) = 0 [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6083] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] symlink("/dev/binderfs", "./binderfs" [pid 6081] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6083] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 0 [pid 6084] <... bpf resumed>) = 3 [pid 6083] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] <... symlink resumed>) = 0 [pid 6081] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6084] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6084] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6081] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... mprotect resumed>) = 0 [pid 6084] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6082] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6081] <... futex resumed>) = 0 [pid 6081] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6084] <... bpf resumed>) = 0 [pid 6082] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6081] <... futex resumed>) = 0 [pid 6080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6084] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6084] <... futex resumed>) = 0 [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6081] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6085 attached [pid 6084] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6081] <... mprotect resumed>) = 0 [pid 6085] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6082] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6080] <... clone3 resumed> => {parent_tid=[14311]}, 88) = 14311 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6082] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] <... mprotect resumed>) = 0 [pid 6081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6080] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6086 attached [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6086] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6085] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6081] <... clone3 resumed> => {parent_tid=[14233]}, 88) = 14233 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6086] <... set_robust_list resumed>) = 0 [pid 6082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6087 attached [pid 6086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6080] <... futex resumed>) = 1 [pid 6081] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... close resumed>) = 0 [pid 6087] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6081] <... futex resumed>) = 0 [pid 6080] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... close resumed>) = 0 [pid 6074] close(6 [pid 6082] <... clone3 resumed> => {parent_tid=[13794]}, 88) = 13794 [pid 6087] <... set_robust_list resumed>) = 0 [pid 6086] <... bpf resumed>) = 4 [pid 6085] <... bpf resumed>) = 4 [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] close(6 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] rt_sigprocmask(SIG_SETMASK, [], [pid 6086] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(7 [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6086] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = 1 [pid 6082] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 0 [pid 6076] close(7 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6086] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6084] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6080] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(8 [pid 6087] <... bpf resumed>) = 3 [pid 6084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6083] <... futex resumed>) = 0 [pid 6082] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6080] <... futex resumed>) = 1 [pid 6076] close(8 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(9 [pid 6087] <... futex resumed>) = 0 [pid 6082] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] close(9 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6082] <... futex resumed>) = 0 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(10 [pid 6087] <... bpf resumed>) = 0 [pid 6082] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] close(10 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = 0 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(11 [pid 6087] <... futex resumed>) = 0 [pid 6082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6076] close(11 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(12 [pid 6082] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6076] close(12 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... mprotect resumed>) = 0 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(13 [pid 6082] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6076] close(13 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(14 [pid 6082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6076] close(14 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(15) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6088 attached [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(16 [pid 6088] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6082] <... clone3 resumed> => {parent_tid=[13795]}, 88) = 13795 [pid 6076] close(15 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... set_robust_list resumed>) = 0 [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(17 [pid 6088] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] close(16 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(18 [pid 6088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6082] <... futex resumed>) = 0 [pid 6076] close(17 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... bpf resumed>) = 4 [pid 6082] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(19 [pid 6088] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] close(18 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... futex resumed>) = 0 [pid 6082] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(20 [pid 6088] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 1 [pid 6076] close(19 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6082] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(21 [pid 6076] close(20 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(22 [pid 6076] close(21 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(23 [pid 6076] close(22 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(24 [pid 6076] close(23 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(25 [pid 6076] close(24 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(26 [pid 6076] close(25 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(27 [pid 6076] close(26 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(28 [pid 6076] close(27 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(29 [pid 6076] close(28 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] exit_group(0 [pid 6077] <... futex resumed>) = ? [pid 6076] close(29 [pid 6075] <... futex resumed>) = ? [pid 6074] <... exit_group resumed>) = ? [pid 6077] +++ exited with 0 +++ [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] +++ exited with 0 +++ [pid 6074] +++ exited with 0 +++ [pid 6076] exit_group(0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6079] <... futex resumed>) = ? [pid 6078] <... futex resumed>) = ? [pid 6076] <... exit_group resumed>) = ? [pid 6079] +++ exited with 0 +++ [pid 6078] +++ exited with 0 +++ [pid 6076] +++ exited with 0 +++ [pid 295] umount2("./4790", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] openat(AT_FDCWD, "./4790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 295] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4739", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4790/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] newfstatat(AT_FDCWD, "./4790/cgroup.cpu", [pid 294] <... openat resumed>) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(3, "", [pid 295] unlink("./4790/cgroup.cpu" [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4790/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4739/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4790/binderfs", [pid 294] newfstatat(AT_FDCWD, "./4739/cgroup.cpu", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4790/binderfs" [pid 294] unlink("./4739/cgroup.cpu" [pid 295] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 295] umount2("./4790/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4739/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4790/cgroup", [pid 294] newfstatat(AT_FDCWD, "./4739/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4790/cgroup" [pid 294] unlink("./4739/binderfs" [pid 295] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 295] umount2("./4790/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4739/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4790/cgroup.net", [pid 294] newfstatat(AT_FDCWD, "./4739/cgroup", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4790/cgroup.net" [pid 294] unlink("./4739/cgroup" [pid 295] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 294] umount2("./4739/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] close(3 [pid 294] newfstatat(AT_FDCWD, "./4739/cgroup.net", [pid 295] <... close resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] rmdir("./4790" [pid 294] unlink("./4739/cgroup.net") = 0 [pid 294] getdents64(3, [pid 295] <... rmdir resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] mkdir("./4791", 0777 [pid 294] close(3) = 0 [pid 294] rmdir("./4739" [pid 295] <... mkdir resumed>) = 0 [pid 294] <... rmdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] mkdir("./4740", 0777) = 0 ./strace-static-x86_64: Process 6089 attached [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6089] set_robust_list(0x5555568776a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14131 ./strace-static-x86_64: Process 6090 attached [pid 6089] <... set_robust_list resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13957 [pid 6090] set_robust_list(0x5555568776a0, 24 [pid 6089] chdir("./4791" [pid 6090] <... set_robust_list resumed>) = 0 [pid 6089] <... chdir resumed>) = 0 [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6087] <... bpf resumed>) = 5 [pid 6084] <... bpf resumed>) = 5 [pid 6083] <... bpf resumed>) = 5 [pid 6090] chdir("./4740" [pid 6089] <... prctl resumed>) = 0 [pid 6087] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... chdir resumed>) = 0 [pid 6089] setpgid(0, 0 [pid 6087] <... futex resumed>) = 1 [pid 6084] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = 1 [pid 6082] <... futex resumed>) = 0 [pid 6081] <... futex resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6089] <... setpgid resumed>) = 0 [pid 6087] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6084] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] close(3 [pid 6081] close(3 [pid 6080] close(3 [pid 6090] <... prctl resumed>) = 0 [pid 6089] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6082] <... close resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 6080] <... close resumed>) = 0 [pid 6090] setpgid(0, 0 [pid 6089] <... symlink resumed>) = 0 [pid 6082] close(4 [pid 6081] close(4 [pid 6080] close(4 [pid 6090] <... setpgid resumed>) = 0 [pid 6089] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6082] <... close resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 6080] <... close resumed>) = 0 [pid 6090] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6089] <... symlink resumed>) = 0 [pid 6082] close(5 [pid 6081] close(5 [pid 6080] close(5 [pid 6090] <... symlink resumed>) = 0 [pid 6089] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6081] <... close resumed>) = 0 [pid 6090] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6089] <... symlink resumed>) = 0 [pid 6081] close(6 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... symlink resumed>) = 0 [pid 6089] <... openat resumed>) = 3 [pid 6081] close(7 [pid 6090] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6089] write(3, "1000", 4 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... write resumed>) = 4 [pid 6081] close(8 [pid 6090] <... symlink resumed>) = 0 [pid 6089] close(3 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6089] <... close resumed>) = 0 [pid 6081] close(9 [pid 6089] symlink("/dev/binderfs", "./binderfs" [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... openat resumed>) = 3 [pid 6089] <... symlink resumed>) = 0 [pid 6081] close(10 [pid 6090] write(3, "1000", 4 [pid 6089] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... write resumed>) = 4 [pid 6089] <... futex resumed>) = 0 [pid 6081] close(11 [pid 6090] close(3 [pid 6089] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = 0 [pid 6089] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6081] close(12 [pid 6090] symlink("/dev/binderfs", "./binderfs" [pid 6089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... symlink resumed>) = 0 [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] close(13 [pid 6090] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... futex resumed>) = 0 [pid 6089] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6081] close(14 [pid 6090] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6089] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6089] <... mprotect resumed>) = 0 [pid 6081] close(15 [pid 6090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6089] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6089] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6081] close(16 [pid 6090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6091 attached [pid 6090] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6081] close(17 [pid 6091] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6090] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6089] <... clone3 resumed> => {parent_tid=[14132]}, 88) = 14132 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... set_robust_list resumed>) = 0 [pid 6090] <... mprotect resumed>) = 0 [pid 6089] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] close(18 [pid 6091] rt_sigprocmask(SIG_SETMASK, [], [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6089] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] close(19 [pid 6091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6089] <... futex resumed>) = 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6092 attached [pid 6091] <... bpf resumed>) = 3 [pid 6089] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] close(20 [pid 6092] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6091] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... clone3 resumed> => {parent_tid=[13958]}, 88) = 13958 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] <... futex resumed>) = 0 [pid 6090] rt_sigprocmask(SIG_SETMASK, [], [pid 6089] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] close(21 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], [pid 6091] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6089] <... futex resumed>) = 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6089] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] close(22 [pid 6092] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... bpf resumed>) = 0 [pid 6090] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = 0 [pid 6089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6081] close(23 [pid 6092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6091] <... futex resumed>) = 0 [pid 6090] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... bpf resumed>) = 3 [pid 6091] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6081] close(24 [pid 6092] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... mprotect resumed>) = 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... futex resumed>) = 1 [pid 6090] <... futex resumed>) = 0 [pid 6089] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6081] close(25 [pid 6092] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] <... futex resumed>) = 0 [pid 6089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6081] close(26./strace-static-x86_64: Process 6093 attached [pid 6092] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6090] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6092] <... bpf resumed>) = 0 [pid 6090] <... futex resumed>) = 0 [pid 6089] <... clone3 resumed> => {parent_tid=[14133]}, 88) = 14133 [pid 6081] close(27 [pid 6093] <... set_robust_list resumed>) = 0 [pid 6092] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6089] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] rt_sigprocmask(SIG_SETMASK, [], [pid 6092] <... futex resumed>) = 0 [pid 6090] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] close(28 [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6089] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6090] <... mprotect resumed>) = 0 [pid 6089] <... futex resumed>) = 0 [pid 6081] close(29 [pid 6089] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6081] exit_group(0 [pid 6084] <... futex resumed>) = ? [pid 6081] <... exit_group resumed>) = ? [pid 6093] <... bpf resumed>) = 4 [pid 6090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6086] <... futex resumed>) = ? [pid 6084] +++ exited with 0 +++ [pid 6093] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] +++ exited with 0 +++ [pid 6081] +++ exited with 0 +++ [pid 6090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6093] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6093] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6089] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6094 attached [pid 6091] <... futex resumed>) = 0 [pid 6089] <... futex resumed>) = 1 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 6094] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6090] <... clone3 resumed> => {parent_tid=[13959]}, 88) = 13959 [pid 6089] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] <... restart_syscall resumed>) = 0 [pid 6094] <... set_robust_list resumed>) = 0 [pid 6090] rt_sigprocmask(SIG_SETMASK, [], [pid 6094] rt_sigprocmask(SIG_SETMASK, [], [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6090] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4818", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6090] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] <... bpf resumed>) = 4 [pid 6090] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] openat(AT_FDCWD, "./4818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6094] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] <... openat resumed>) = 3 [pid 6094] <... futex resumed>) = 0 [pid 6090] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(3, "", [pid 6094] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] <... futex resumed>) = 0 [pid 6090] <... futex resumed>) = 1 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6090] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4818/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4818/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4818/cgroup.cpu") = 0 [pid 296] umount2("./4818/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4818/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4818/binderfs") = 0 [pid 296] umount2("./4818/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4818/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4818/cgroup") = 0 [pid 296] umount2("./4818/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4818/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4818/cgroup.net") = 0 [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./4818") = 0 [pid 296] mkdir("./4819", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6095 attached [pid 6095] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14234 [pid 6095] <... set_robust_list resumed>) = 0 [pid 6095] chdir("./4819") = 0 [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6095] setpgid(0, 0) = 0 [pid 6095] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6095] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6095] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6095] write(3, "1000", 4) = 4 [pid 6095] close(3) = 0 [pid 6095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6095] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6095] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6095] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6096 attached [pid 6096] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6095] <... clone3 resumed> => {parent_tid=[14235]}, 88) = 14235 [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 6096] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6095] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] <... bpf resumed>) = 3 [pid 6096] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6096] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6095] <... futex resumed>) = 0 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6095] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6096] <... bpf resumed>) = 0 [pid 6095] <... mprotect resumed>) = 0 [pid 6096] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6096] <... futex resumed>) = 0 [pid 6095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6096] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6097 attached [pid 6097] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6095] <... clone3 resumed> => {parent_tid=[14236]}, 88) = 14236 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6097] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 1 [pid 6097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6095] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... bpf resumed>) = 4 [pid 6082] <... close resumed>) = 0 [pid 6080] <... close resumed>) = 0 [pid 6097] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] close(6 [pid 6080] close(6 [pid 6097] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] close(7 [pid 6080] close(7 [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 1 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6095] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6082] close(8 [pid 6080] close(8 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(9 [pid 6080] close(9 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(10 [pid 6080] close(10 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(11) = -1 EBADF (Bad file descriptor) [pid 6080] close(11 [pid 6082] close(12 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(13 [pid 6080] close(12 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(14 [pid 6080] close(13 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(15) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(16 [pid 6080] close(14 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(17 [pid 6080] close(15 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(18 [pid 6080] close(16 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(19 [pid 6080] close(17 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(20) = -1 EBADF (Bad file descriptor) [pid 6080] close(18 [pid 6082] close(21 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(19 [pid 6082] close(22 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(23 [pid 6080] close(20 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(24 [pid 6080] close(21 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(25 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(22 [pid 6082] close(26 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(23 [pid 6082] close(27 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(24 [pid 6082] close(28 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(29) = -1 EBADF (Bad file descriptor) [pid 6082] exit_group(0 [pid 6080] close(25 [pid 6088] <... futex resumed>) = ? [pid 6087] <... futex resumed>) = ? [pid 6082] <... exit_group resumed>) = ? [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] +++ exited with 0 +++ [pid 6087] +++ exited with 0 +++ [pid 6082] +++ exited with 0 +++ [pid 6080] close(26) = -1 EBADF (Bad file descriptor) [pid 6080] close(27 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 6080] close(28) = -1 EBADF (Bad file descriptor) [pid 6080] close(29) = -1 EBADF (Bad file descriptor) [pid 6080] exit_group(0 [pid 6083] <... futex resumed>) = ? [pid 6085] <... futex resumed>) = ? [pid 6080] <... exit_group resumed>) = ? [pid 6083] +++ exited with 0 +++ [pid 6085] +++ exited with 0 +++ [pid 6080] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 293] umount2("./4677", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4852", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4852", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] openat(AT_FDCWD, "./4677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 293] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 293] newfstatat(3, "", [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4852/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4852/cgroup.cpu", [pid 293] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4852/cgroup.cpu") = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4852/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4852/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4677/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4852/binderfs") = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./4852/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4677/cgroup.cpu", [pid 297] newfstatat(AT_FDCWD, "./4852/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4852/cgroup") = 0 [pid 293] unlink("./4677/cgroup.cpu" [pid 297] umount2("./4852/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4852/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4852/cgroup.net") = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] umount2("./4677/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] close(3) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] rmdir("./4852" [pid 293] newfstatat(AT_FDCWD, "./4677/binderfs", [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./4853", 0777) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] unlink("./4677/binderfs"./strace-static-x86_64: Process 6098 attached [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14312 [pid 293] <... unlink resumed>) = 0 [pid 6098] set_robust_list(0x5555568776a0, 24) = 0 [pid 293] umount2("./4677/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6098] chdir("./4853" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] <... chdir resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4677/cgroup", [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6098] <... prctl resumed>) = 0 [pid 293] unlink("./4677/cgroup" [pid 6098] setpgid(0, 0) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6098] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 293] umount2("./4677/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6098] <... symlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 293] newfstatat(AT_FDCWD, "./4677/cgroup.net", [pid 6098] <... symlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6098] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 293] unlink("./4677/cgroup.net" [pid 6098] <... symlink resumed>) = 0 [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 293] <... unlink resumed>) = 0 [pid 6098] <... openat resumed>) = 3 [pid 293] getdents64(3, [pid 6098] write(3, "1000", 4 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6098] <... write resumed>) = 4 [pid 293] close(3 [pid 6098] close(3 [pid 293] <... close resumed>) = 0 [pid 6098] <... close resumed>) = 0 [pid 293] rmdir("./4677" [pid 6098] symlink("/dev/binderfs", "./binderfs" [pid 293] <... rmdir resumed>) = 0 [pid 6098] <... symlink resumed>) = 0 [pid 293] mkdir("./4678", 0777 [pid 6098] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... mkdir resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6098] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, ./strace-static-x86_64: Process 6099 attached NULL, 8) = 0 [pid 6099] set_robust_list(0x5555568776a0, 24 [pid 6098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6099] <... set_robust_list resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13796 [pid 6099] chdir("./4678" [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] <... chdir resumed>) = 0 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6098] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6099] setpgid(0, 0) = 0 [pid 6098] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6099] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6098] <... mprotect resumed>) = 0 [pid 6099] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6099] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6098] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6099] <... symlink resumed>) = 0 [pid 6098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6100 attached ) = 3 [pid 6100] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6099] write(3, "1000", 4 [pid 6098] <... clone3 resumed> => {parent_tid=[14313]}, 88) = 14313 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] <... write resumed>) = 4 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] close(3 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] <... close resumed>) = 0 [pid 6098] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] symlink("/dev/binderfs", "./binderfs" [pid 6100] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6099] <... symlink resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6099] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... bpf resumed>) = 3 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] <... futex resumed>) = 0 [pid 6099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6100] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6098] <... futex resumed>) = 0 [pid 6099] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6100] <... bpf resumed>) = 0 [pid 6099] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6098] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... mprotect resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6096] <... bpf resumed>) = 5 [pid 6092] <... bpf resumed>) = 5 [pid 6091] <... bpf resumed>) = 5 [pid 6100] <... futex resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6096] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6096] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6091] <... futex resumed>) = 1 [pid 6099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6100] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6096] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] close(3 [pid 6092] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6101 attached [pid 6098] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6095] <... close resumed>) = 0 [pid 6101] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6099] <... clone3 resumed> => {parent_tid=[13797]}, 88) = 13797 [pid 6098] <... mprotect resumed>) = 0 [pid 6095] close(4 [pid 6092] <... futex resumed>) = 1 [pid 6090] <... futex resumed>) = 0 [pid 6089] close(3 [pid 6101] <... set_robust_list resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6095] <... close resumed>) = 0 [pid 6092] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6090] close(3 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6095] close(5 [pid 6090] <... close resumed>) = 0 [pid 6089] <... close resumed>) = 0 [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6095] <... close resumed>) = 0 [pid 6090] close(4 [pid 6089] close(4 [pid 6101] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6099] <... futex resumed>) = 0 [pid 6095] close(6 [pid 6090] <... close resumed>) = 0 ./strace-static-x86_64: Process 6102 attached [pid 6101] <... bpf resumed>) = 3 [pid 6099] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(5 [pid 6089] <... close resumed>) = 0 [pid 6102] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6101] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... clone3 resumed> => {parent_tid=[14314]}, 88) = 14314 [pid 6095] close(7 [pid 6090] <... close resumed>) = 0 [pid 6089] close(5 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6101] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(6 [pid 6102] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] close(8 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6089] <... close resumed>) = 0 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] <... futex resumed>) = 0 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(7 [pid 6102] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] close(9 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] <... bpf resumed>) = 0 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(8 [pid 6089] close(6 [pid 6102] <... futex resumed>) = 0 [pid 6101] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6098] <... futex resumed>) = 1 [pid 6095] close(10 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6101] <... futex resumed>) = 0 [pid 6099] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6098] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(9 [pid 6089] close(7 [pid 6102] <... bpf resumed>) = 4 [pid 6101] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6095] close(11 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... mprotect resumed>) = 0 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(10 [pid 6089] close(8 [pid 6102] <... futex resumed>) = 1 [pid 6099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6098] <... futex resumed>) = 0 [pid 6095] close(12 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6098] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(11 [pid 6089] close(9 [pid 6100] <... futex resumed>) = 0 [pid 6099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6098] <... futex resumed>) = 1 [pid 6095] close(13 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6103 attached [pid 6100] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6098] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(12 [pid 6089] close(10 [pid 6103] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6099] <... clone3 resumed> => {parent_tid=[13798]}, 88) = 13798 [pid 6095] close(14 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... set_robust_list resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(13 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] close(15 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] close(11 [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(14 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6099] <... futex resumed>) = 0 [pid 6095] close(16 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] close(12 [pid 6099] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(15 [pid 6095] close(17 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(16 [pid 6103] <... bpf resumed>) = 4 [pid 6095] close(18 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(17 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6095] close(19 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] close(13 [pid 6103] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(18 [pid 6099] <... futex resumed>) = 1 [pid 6095] close(20 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] <... futex resumed>) = 0 [pid 6099] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(19 [pid 6089] close(14 [pid 6101] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6095] close(21 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(20 [pid 6089] close(15 [pid 6095] close(22 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(21 [pid 6089] close(16 [pid 6095] close(23 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(22 [pid 6095] close(24 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(23 [pid 6089] close(17 [pid 6095] close(25 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(24 [pid 6089] close(18 [pid 6095] close(26 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(25 [pid 6089] close(19 [pid 6095] close(27 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(26 [pid 6089] close(20 [pid 6095] close(28 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(27 [pid 6095] close(29 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] close(21 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(28 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] exit_group(0 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] close(22 [pid 6097] <... futex resumed>) = ? [pid 6096] <... futex resumed>) = ? [pid 6095] <... exit_group resumed>) = ? [pid 6090] close(29 [pid 6097] +++ exited with 0 +++ [pid 6096] +++ exited with 0 +++ [pid 6095] +++ exited with 0 +++ [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] exit_group(0 [pid 6089] close(23 [pid 6094] <... futex resumed>) = ? [pid 6092] <... futex resumed>) = ? [pid 6090] <... exit_group resumed>) = ? [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] +++ exited with 0 +++ [pid 6092] +++ exited with 0 +++ [pid 6090] +++ exited with 0 +++ [pid 6089] close(24 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4819", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6089] close(25 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4740", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] openat(AT_FDCWD, "./4819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6089] close(26 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... openat resumed>) = 3 [pid 294] openat(AT_FDCWD, "./4740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6089] close(27 [pid 296] newfstatat(3, "", [pid 294] <... openat resumed>) = 3 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6089] close(28 [pid 294] newfstatat(3, "", [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] getdents64(3, [pid 6089] close(29 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6089] exit_group(0 [pid 294] getdents64(3, [pid 6093] <... futex resumed>) = ? [pid 6091] <... futex resumed>) = ? [pid 6089] <... exit_group resumed>) = ? [pid 296] umount2("./4819/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6093] +++ exited with 0 +++ [pid 6091] +++ exited with 0 +++ [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6089] +++ exited with 0 +++ [pid 294] umount2("./4740/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4819/cgroup.cpu", [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] newfstatat(AT_FDCWD, "./4740/cgroup.cpu", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 296] unlink("./4819/cgroup.cpu" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4740/cgroup.cpu" [pid 296] umount2("./4819/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4740/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4819/binderfs", [pid 295] <... restart_syscall resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4740/binderfs", [pid 296] unlink("./4819/binderfs" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4740/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4791", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] umount2("./4819/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4740/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4819/cgroup", [pid 295] openat(AT_FDCWD, "./4791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] newfstatat(AT_FDCWD, "./4740/cgroup", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... openat resumed>) = 3 [pid 296] unlink("./4819/cgroup" [pid 295] newfstatat(3, "", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4740/cgroup" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 296] umount2("./4819/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4740/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4791/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4740/cgroup.net", [pid 296] newfstatat(AT_FDCWD, "./4819/cgroup.net", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4791/cgroup.cpu", [pid 296] unlink("./4819/cgroup.net" [pid 294] unlink("./4740/cgroup.net" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 295] unlink("./4791/cgroup.cpu" [pid 294] <... unlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] close(3 [pid 295] umount2("./4791/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] getdents64(3, [pid 296] <... close resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] rmdir("./4819" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] close(3 [pid 296] <... rmdir resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4791/binderfs", [pid 294] <... close resumed>) = 0 [pid 296] mkdir("./4820", 0777 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] rmdir("./4740" [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] unlink("./4791/binderfs" [pid 294] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6104 attached [pid 294] mkdir("./4741", 0777 [pid 6104] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14237 [pid 295] <... unlink resumed>) = 0 [pid 6104] <... set_robust_list resumed>) = 0 [pid 6104] chdir("./4820") = 0 [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 294] <... mkdir resumed>) = 0 [pid 6104] <... prctl resumed>) = 0 [pid 6104] setpgid(0, 0 [pid 6100] <... bpf resumed>) = 5 [pid 6104] <... setpgid resumed>) = 0 [pid 6101] <... bpf resumed>) = 5 [pid 6100] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./4791/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6104] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6101] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = 1 [pid 6098] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6104] <... symlink resumed>) = 0 [pid 6098] close(3 [pid 6104] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6098] <... close resumed>) = 0 ./strace-static-x86_64: Process 6105 attached [pid 6104] <... symlink resumed>) = 0 [pid 6101] <... futex resumed>) = 1 [pid 6100] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... futex resumed>) = 0 [pid 6098] close(4 [pid 295] newfstatat(AT_FDCWD, "./4791/cgroup", [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13960 [pid 6105] set_robust_list(0x5555568776a0, 24 [pid 6104] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6101] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] close(3 [pid 6098] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6104] <... symlink resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 6098] close(5 [pid 295] unlink("./4791/cgroup" [pid 6105] chdir("./4741" [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6099] close(4 [pid 6105] <... chdir resumed>) = 0 [pid 6104] <... openat resumed>) = 3 [pid 6099] <... close resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6104] write(3, "1000", 4 [pid 6099] close(5 [pid 6104] <... write resumed>) = 4 [pid 6104] close(3) = 0 [pid 6104] symlink("/dev/binderfs", "./binderfs" [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] <... symlink resumed>) = 0 [pid 295] umount2("./4791/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6105] <... prctl resumed>) = 0 [pid 6104] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6104] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] setpgid(0, 0 [pid 6104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 295] newfstatat(AT_FDCWD, "./4791/cgroup.net", [pid 6105] <... setpgid resumed>) = 0 [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6104] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6105] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6104] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 295] unlink("./4791/cgroup.net" [pid 6104] <... mprotect resumed>) = 0 [pid 6105] <... symlink resumed>) = 0 [pid 6104] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] <... unlink resumed>) = 0 [pid 6105] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6104] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] getdents64(3, [pid 6104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6106 attached [pid 6105] <... symlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6106] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6105] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6104] <... clone3 resumed> => {parent_tid=[14238]}, 88) = 14238 [pid 295] close(3 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 6106] rt_sigprocmask(SIG_SETMASK, [], [pid 6105] <... symlink resumed>) = 0 [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... close resumed>) = 0 [pid 6106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6104] <... futex resumed>) = 0 [pid 6106] <... bpf resumed>) = 3 [pid 6105] <... openat resumed>) = 3 [pid 6104] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] rmdir("./4791" [pid 6106] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] write(3, "1000", 4 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... futex resumed>) = 0 [pid 6104] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6104] <... futex resumed>) = 0 [pid 6106] <... bpf resumed>) = 0 [pid 6104] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... write resumed>) = 4 [pid 295] <... rmdir resumed>) = 0 [pid 6106] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] close(3 [pid 6104] <... futex resumed>) = 0 [pid 295] mkdir("./4792", 0777 [pid 6106] <... futex resumed>) = 0 [pid 6105] <... close resumed>) = 0 [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6104] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6104] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] <... mkdir resumed>) = 0 [pid 6105] symlink("/dev/binderfs", "./binderfs" [pid 6104] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6107 attached [pid 6105] <... symlink resumed>) = 0 [pid 6107] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6104] <... clone3 resumed> => {parent_tid=[14239]}, 88) = 14239 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6108 attached [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] set_robust_list(0x5555568776a0, 24 [pid 6107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14134 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6107] <... bpf resumed>) = 4 [pid 6105] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6104] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] chdir("./4792" [pid 6107] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] <... chdir resumed>) = 0 [pid 6107] <... futex resumed>) = 0 [pid 6105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6104] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6107] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6106] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6108] <... prctl resumed>) = 0 [pid 6106] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6108] setpgid(0, 0 [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6108] <... setpgid resumed>) = 0 [pid 6105] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6108] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6105] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6108] <... symlink resumed>) = 0 [pid 6105] <... mprotect resumed>) = 0 [pid 6108] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6108] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6108] write(3, "1000", 4) = 4 [pid 6108] close(3 [pid 6105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6108] <... close resumed>) = 0 [pid 6108] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6109 attached ) = 0 [pid 6109] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6108] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... clone3 resumed> => {parent_tid=[13961]}, 88) = 13961 [pid 6109] <... set_robust_list resumed>) = 0 [pid 6108] <... futex resumed>) = 0 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6108] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6108] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6105] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6109] <... bpf resumed>) = 3 [pid 6108] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6105] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... futex resumed>) = 0 [pid 6108] <... mprotect resumed>) = 0 [pid 6105] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6110 attached [pid 6109] <... bpf resumed>) = 0 [pid 6105] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6109] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... clone3 resumed> => {parent_tid=[14135]}, 88) = 14135 [pid 6105] <... futex resumed>) = 0 [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6108] rt_sigprocmask(SIG_SETMASK, [], [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6110] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6108] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6108] <... futex resumed>) = 0 [pid 6110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6108] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... bpf resumed>) = 3 [pid 6105] <... mprotect resumed>) = 0 [pid 6110] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6110] <... futex resumed>) = 1 [pid 6108] <... futex resumed>) = 0 [pid 6105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6110] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] <... futex resumed>) = 0 [pid 6108] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6108] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6111 attached [pid 6108] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6110] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6111] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6108] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6105] <... clone3 resumed> => {parent_tid=[13962]}, 88) = 13962 [pid 6111] <... set_robust_list resumed>) = 0 [pid 6110] <... bpf resumed>) = 0 [pid 6108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6105] rt_sigprocmask(SIG_SETMASK, [], [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 6110] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6112 attached [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] <... futex resumed>) = 0 [pid 6108] <... clone3 resumed> => {parent_tid=[14136]}, 88) = 14136 [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6111] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... set_robust_list resumed>) = 0 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] rt_sigprocmask(SIG_SETMASK, [], [pid 6105] <... futex resumed>) = 0 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], [pid 6111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6105] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6111] <... bpf resumed>) = 4 [pid 6108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] <... futex resumed>) = 1 [pid 6108] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6111] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... bpf resumed>) = 4 [pid 6105] <... futex resumed>) = 1 [pid 6112] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = 0 [pid 6105] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6112] <... futex resumed>) = 1 [pid 6109] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6112] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... futex resumed>) = 0 [pid 6108] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6110] <... futex resumed>) = 0 [pid 6108] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6098] <... close resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 6098] close(6 [pid 6099] close(6 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(7 [pid 6099] close(7 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(8 [pid 6099] close(8 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(9 [pid 6099] close(9 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(10 [pid 6099] close(10 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(11 [pid 6099] close(11 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(12 [pid 6099] close(12 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(13 [pid 6099] close(13 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(14 [pid 6099] close(14 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(15 [pid 6099] close(15 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(16 [pid 6099] close(16 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(17 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(17 [pid 6098] close(18 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(18 [pid 6098] close(19) = -1 EBADF (Bad file descriptor) [pid 6098] close(20 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(19 [pid 6098] close(21 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(20 [pid 6098] close(22 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(21 [pid 6098] close(23 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(22 [pid 6098] close(24 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(23 [pid 6098] close(25) = -1 EBADF (Bad file descriptor) [pid 6098] close(26 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(24 [pid 6098] close(27 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(25 [pid 6098] close(28 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(26 [pid 6098] close(29) = -1 EBADF (Bad file descriptor) [pid 6098] exit_group(0 [pid 6102] <... futex resumed>) = ? [pid 6100] <... futex resumed>) = ? [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... exit_group resumed>) = ? [pid 6102] +++ exited with 0 +++ [pid 6100] +++ exited with 0 +++ [pid 6099] close(27 [pid 6098] +++ exited with 0 +++ [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6099] close(28) = -1 EBADF (Bad file descriptor) [pid 6099] close(29) = -1 EBADF (Bad file descriptor) [pid 6099] exit_group(0 [pid 6103] <... futex resumed>) = ? [pid 6101] <... futex resumed>) = ? [pid 6099] <... exit_group resumed>) = ? [pid 6103] +++ exited with 0 +++ [pid 6101] +++ exited with 0 +++ [pid 6099] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 293] umount2("./4678", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] umount2("./4853", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] openat(AT_FDCWD, "./4678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... openat resumed>) = 3 [pid 297] openat(AT_FDCWD, "./4853", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 293] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4678/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 293] newfstatat(AT_FDCWD, "./4678/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] unlink("./4678/cgroup.cpu" [pid 297] umount2("./4853/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 293] umount2("./4678/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4853/cgroup.cpu", [pid 293] newfstatat(AT_FDCWD, "./4678/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4853/cgroup.cpu" [pid 293] unlink("./4678/binderfs" [pid 297] <... unlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] umount2("./4853/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4678/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4853/binderfs", [pid 293] newfstatat(AT_FDCWD, "./4678/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4678/cgroup" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] unlink("./4853/binderfs" [pid 293] umount2("./4678/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4678/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4678/cgroup.net" [pid 297] <... unlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] umount2("./4853/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] newfstatat(AT_FDCWD, "./4853/cgroup", [pid 293] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... close resumed>) = 0 [pid 297] unlink("./4853/cgroup" [pid 293] rmdir("./4678" [pid 297] <... unlink resumed>) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 297] umount2("./4853/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] mkdir("./4679", 0777 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... mkdir resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4853/cgroup.net", [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6113 attached [pid 297] unlink("./4853/cgroup.net" [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13799 [pid 6113] set_robust_list(0x5555568776a0, 24 [pid 297] <... unlink resumed>) = 0 [pid 6113] <... set_robust_list resumed>) = 0 [pid 297] getdents64(3, [pid 6113] chdir("./4679" [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6113] <... chdir resumed>) = 0 [pid 297] close(3 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... close resumed>) = 0 [pid 6113] <... prctl resumed>) = 0 [pid 297] rmdir("./4853" [pid 6113] setpgid(0, 0) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 6113] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 297] mkdir("./4854", 0777 [pid 6113] <... symlink resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 6113] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6113] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6114 attached [pid 6113] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6114] set_robust_list(0x5555568776a0, 24) = 0 [pid 6114] chdir("./4854" [pid 6113] <... symlink resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14315 [pid 6114] <... chdir resumed>) = 0 [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6114] setpgid(0, 0) = 0 [pid 6113] <... openat resumed>) = 3 [pid 6114] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6113] write(3, "1000", 4 [pid 6114] <... symlink resumed>) = 0 [pid 6114] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6113] <... write resumed>) = 4 [pid 6114] <... symlink resumed>) = 0 [pid 6113] close(3 [pid 6114] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6113] <... close resumed>) = 0 [pid 6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6113] symlink("/dev/binderfs", "./binderfs" [pid 6114] write(3, "1000", 4) = 4 [pid 6114] close(3) = 0 [pid 6113] <... symlink resumed>) = 0 [pid 6114] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6113] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6114] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6113] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6113] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6113] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6115 attached ) = 0 [pid 6115] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6114] <... clone3 resumed> => {parent_tid=[14316]}, 88) = 14316 [pid 6115] <... set_robust_list resumed>) = 0 [pid 6114] rt_sigprocmask(SIG_SETMASK, [], [pid 6115] rt_sigprocmask(SIG_SETMASK, [], [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6114] <... futex resumed>) = 0 [pid 6113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6115] <... bpf resumed>) = 3 [pid 6114] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6116 attached [pid 6115] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6115] <... futex resumed>) = 0 [pid 6114] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... clone3 resumed> => {parent_tid=[13800]}, 88) = 13800 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6115] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6114] <... futex resumed>) = 0 [pid 6116] rt_sigprocmask(SIG_SETMASK, [], [pid 6115] <... bpf resumed>) = 0 [pid 6114] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6115] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6116] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... futex resumed>) = 0 [pid 6114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6113] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6113] <... futex resumed>) = 0 [pid 6116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6114] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6116] <... bpf resumed>) = 3 [pid 6114] <... mprotect resumed>) = 0 [pid 6113] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... bpf resumed>) = 5 [pid 6109] <... bpf resumed>) = 5 [pid 6106] <... bpf resumed>) = 5 [pid 6116] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6110] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 0 [pid 6114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6113] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 1 [pid 6108] <... futex resumed>) = 0 [pid 6116] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6113] <... futex resumed>) = 0 [pid 6108] close(3./strace-static-x86_64: Process 6117 attached [pid 6116] <... bpf resumed>) = 0 [pid 6113] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... futex resumed>) = 1 [pid 6108] <... close resumed>) = 0 [pid 6106] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6117] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6116] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... clone3 resumed> => {parent_tid=[14317]}, 88) = 14317 [pid 6113] <... futex resumed>) = 0 [pid 6109] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] close(4 [pid 6106] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] close(3 [pid 6104] close(3 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6114] rt_sigprocmask(SIG_SETMASK, [], [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6108] <... close resumed>) = 0 [pid 6105] <... close resumed>) = 0 [pid 6104] <... close resumed>) = 0 [pid 6117] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6108] close(5 [pid 6105] close(4 [pid 6104] close(4 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6108] <... close resumed>) = 0 [pid 6105] <... close resumed>) = 0 [pid 6104] <... close resumed>) = 0 [pid 6117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... mprotect resumed>) = 0 [pid 6108] close(6 [pid 6105] close(5 [pid 6104] close(5 [pid 6117] <... bpf resumed>) = 4 [pid 6114] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6108] close(7 [pid 6117] <... futex resumed>) = 0 [pid 6114] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 1 [pid 6108] close(8 [pid 6115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6114] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6118 attached [pid 6108] close(9 [pid 6118] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6113] <... clone3 resumed> => {parent_tid=[13801]}, 88) = 13801 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... set_robust_list resumed>) = 0 [pid 6113] rt_sigprocmask(SIG_SETMASK, [], [pid 6108] close(10 [pid 6118] rt_sigprocmask(SIG_SETMASK, [], [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6108] close(11 [pid 6118] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = 0 [pid 6108] close(12 [pid 6118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... bpf resumed>) = 4 [pid 6113] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] close(13 [pid 6118] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... futex resumed>) = 0 [pid 6113] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] close(14 [pid 6118] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 1 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6113] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6108] close(15) = -1 EBADF (Bad file descriptor) [pid 6108] close(16) = -1 EBADF (Bad file descriptor) [pid 6108] close(17) = -1 EBADF (Bad file descriptor) [pid 6108] close(18) = -1 EBADF (Bad file descriptor) [pid 6108] close(19) = -1 EBADF (Bad file descriptor) [pid 6108] close(20) = -1 EBADF (Bad file descriptor) [pid 6108] close(21) = -1 EBADF (Bad file descriptor) [pid 6108] close(22) = -1 EBADF (Bad file descriptor) [pid 6108] close(23) = -1 EBADF (Bad file descriptor) [pid 6108] close(24) = -1 EBADF (Bad file descriptor) [pid 6108] close(25) = -1 EBADF (Bad file descriptor) [pid 6108] close(26) = -1 EBADF (Bad file descriptor) [pid 6108] close(27) = -1 EBADF (Bad file descriptor) [pid 6108] close(28) = -1 EBADF (Bad file descriptor) [pid 6108] close(29) = -1 EBADF (Bad file descriptor) [pid 6108] exit_group(0 [pid 6110] <... futex resumed>) = ? [pid 6108] <... exit_group resumed>) = ? [pid 6112] <... futex resumed>) = ? [pid 6110] +++ exited with 0 +++ [pid 6112] +++ exited with 0 +++ [pid 6108] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 295] umount2("./4792", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4792/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4792/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4792/cgroup.cpu") = 0 [pid 295] umount2("./4792/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4792/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4792/binderfs") = 0 [pid 295] umount2("./4792/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4792/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4792/cgroup") = 0 [pid 295] umount2("./4792/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4792/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4792/cgroup.net") = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4792") = 0 [pid 295] mkdir("./4793", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6119 attached [pid 6119] set_robust_list(0x5555568776a0, 24) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14137 [pid 6119] chdir("./4793") = 0 [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6119] setpgid(0, 0) = 0 [pid 6119] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6119] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6119] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6119] write(3, "1000", 4) = 4 [pid 6119] close(3) = 0 [pid 6119] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6119] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6119] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6119] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6120 attached [pid 6120] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6119] <... clone3 resumed> => {parent_tid=[14138]}, 88) = 14138 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6120] <... set_robust_list resumed>) = 0 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6119] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6120] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6120] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] <... futex resumed>) = 0 [pid 6119] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6119] <... futex resumed>) = 0 [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6119] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6120] <... bpf resumed>) = 0 [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6120] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6121 attached [pid 6120] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] <... close resumed>) = 0 [pid 6119] <... clone3 resumed> => {parent_tid=[14139]}, 88) = 14139 [pid 6105] <... close resumed>) = 0 [pid 6104] close(6 [pid 6121] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6105] close(6 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(7 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] close(7 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6119] <... futex resumed>) = 0 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(8 [pid 6119] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... bpf resumed>) = 4 [pid 6105] close(8 [pid 6121] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... futex resumed>) = 1 [pid 6105] close(9 [pid 6104] close(9 [pid 6121] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(10 [pid 6104] close(10 [pid 6119] <... futex resumed>) = 0 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] close(11 [pid 6104] close(11 [pid 6120] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6119] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6105] close(12) = -1 EBADF (Bad file descriptor) [pid 6104] close(12 [pid 6105] close(13 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(13 [pid 6105] close(14 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(14 [pid 6105] close(15 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(15 [pid 6105] close(16 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(16 [pid 6105] close(17 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(17 [pid 6105] close(18 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(18 [pid 6105] close(19 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(19 [pid 6105] close(20 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(20 [pid 6105] close(21 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(22 [pid 6104] close(21 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(23 [pid 6104] close(22 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(24 [pid 6104] close(23 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(25 [pid 6104] close(24 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(26 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(25 [pid 6105] close(27 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(26 [pid 6105] close(28 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(27 [pid 6105] close(29 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(28 [pid 6105] exit_group(0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] <... futex resumed>) = ? [pid 6109] <... futex resumed>) = ? [pid 6105] <... exit_group resumed>) = ? [pid 6104] close(29 [pid 6111] +++ exited with 0 +++ [pid 6109] +++ exited with 0 +++ [pid 6105] +++ exited with 0 +++ [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6104] exit_group(0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6107] <... futex resumed>) = ? [pid 6106] <... futex resumed>) = ? [pid 6104] <... exit_group resumed>) = ? [pid 6107] +++ exited with 0 +++ [pid 294] <... restart_syscall resumed>) = 0 [pid 6106] +++ exited with 0 +++ [pid 6104] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] umount2("./4741", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... restart_syscall resumed>) = 0 [pid 294] umount2("./4741/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4741/cgroup.cpu", [pid 296] umount2("./4820", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4741/cgroup.cpu" [pid 296] openat(AT_FDCWD, "./4820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... unlink resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 294] umount2("./4741/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(3, "", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] newfstatat(AT_FDCWD, "./4741/binderfs", [pid 296] getdents64(3, [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] unlink("./4741/binderfs" [pid 296] umount2("./4820/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4741/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4820/cgroup.cpu", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4741/cgroup", [pid 296] unlink("./4820/cgroup.cpu" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4741/cgroup" [pid 296] umount2("./4820/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4741/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4820/binderfs", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4741/cgroup.net", [pid 296] unlink("./4820/binderfs" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4741/cgroup.net" [pid 296] umount2("./4820/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./4820/cgroup", [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] close(3 [pid 296] unlink("./4820/cgroup" [pid 294] <... close resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] rmdir("./4741" [pid 296] umount2("./4820/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... rmdir resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] mkdir("./4742", 0777 [pid 296] newfstatat(AT_FDCWD, "./4820/cgroup.net", [pid 294] <... mkdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] unlink("./4820/cgroup.net"./strace-static-x86_64: Process 6122 attached ) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13963 [pid 296] getdents64(3, [pid 6122] set_robust_list(0x5555568776a0, 24 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6122] <... set_robust_list resumed>) = 0 [pid 296] close(3 [pid 6122] chdir("./4742" [pid 296] <... close resumed>) = 0 [pid 6122] <... chdir resumed>) = 0 [pid 296] rmdir("./4820" [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... rmdir resumed>) = 0 [pid 6122] <... prctl resumed>) = 0 [pid 296] mkdir("./4821", 0777 [pid 6122] setpgid(0, 0 [pid 296] <... mkdir resumed>) = 0 [pid 6122] <... setpgid resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6123 attached [pid 6122] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14240 [pid 6122] <... symlink resumed>) = 0 [pid 6123] set_robust_list(0x5555568776a0, 24 [pid 6122] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6123] <... set_robust_list resumed>) = 0 [pid 6122] <... symlink resumed>) = 0 [pid 6123] chdir("./4821" [pid 6122] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6123] <... chdir resumed>) = 0 [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] <... symlink resumed>) = 0 [pid 6123] <... prctl resumed>) = 0 [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6123] setpgid(0, 0) = 0 [pid 6122] <... openat resumed>) = 3 [pid 6123] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6122] write(3, "1000", 4 [pid 6123] <... symlink resumed>) = 0 [pid 6122] <... write resumed>) = 4 [pid 6123] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6122] close(3 [pid 6123] <... symlink resumed>) = 0 [pid 6122] <... close resumed>) = 0 [pid 6123] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6122] symlink("/dev/binderfs", "./binderfs" [pid 6123] <... symlink resumed>) = 0 [pid 6122] <... symlink resumed>) = 0 [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... openat resumed>) = 3 [pid 6122] <... futex resumed>) = 0 [pid 6123] write(3, "1000", 4 [pid 6122] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6123] <... write resumed>) = 4 [pid 6122] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6123] close(3 [pid 6122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6123] <... close resumed>) = 0 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] symlink("/dev/binderfs", "./binderfs" [pid 6122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6123] <... symlink resumed>) = 0 [pid 6122] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6123] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6123] <... futex resumed>) = 0 [pid 6123] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6122] <... mprotect resumed>) = 0 [pid 6123] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6120] <... bpf resumed>) = 5 [pid 6116] <... bpf resumed>) = 5 [pid 6115] <... bpf resumed>) = 5 [pid 6120] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6120] <... futex resumed>) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6116] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 1 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6120] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] close(3 [pid 6116] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] close(3 [pid 6113] close(3 [pid 6123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6119] <... close resumed>) = 0 [pid 6114] <... close resumed>) = 0 [pid 6113] <... close resumed>) = 0 [pid 6123] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6119] close(4 [pid 6114] close(4 [pid 6113] close(4./strace-static-x86_64: Process 6124 attached [pid 6123] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6119] <... close resumed>) = 0 [pid 6114] <... close resumed>) = 0 [pid 6113] <... close resumed>) = 0 [pid 6124] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6123] <... mprotect resumed>) = 0 [pid 6122] <... clone3 resumed> => {parent_tid=[13964]}, 88) = 13964 [pid 6119] close(5 [pid 6114] close(5 [pid 6113] close(5 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] <... close resumed>) = 0 [pid 6124] rt_sigprocmask(SIG_SETMASK, [], [pid 6123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] close(6 [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6122] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6125 attached [pid 6124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6122] <... futex resumed>) = 0 [pid 6119] close(7 [pid 6125] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6124] <... bpf resumed>) = 3 [pid 6123] <... clone3 resumed> => {parent_tid=[14241]}, 88) = 14241 [pid 6122] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... set_robust_list resumed>) = 0 [pid 6124] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] rt_sigprocmask(SIG_SETMASK, [], [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] close(8 [pid 6125] rt_sigprocmask(SIG_SETMASK, [], [pid 6124] <... futex resumed>) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6122] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] close(9 [pid 6125] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] <... bpf resumed>) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 0 [pid 6119] close(10 [pid 6125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6124] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6122] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... bpf resumed>) = 3 [pid 6124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6123] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... futex resumed>) = 0 [pid 6119] close(11 [pid 6125] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... bpf resumed>) = 4 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... futex resumed>) = 0 [pid 6124] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] close(12 [pid 6125] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6124] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6122] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6123] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] close(13 [pid 6125] <... bpf resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6125] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... futex resumed>) = 0 [pid 6122] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(14 [pid 6125] <... futex resumed>) = 0 [pid 6123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6119] close(15) = -1 EBADF (Bad file descriptor) [pid 6123] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6119] close(16 [pid 6123] <... mprotect resumed>) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(17 [pid 6123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6119] close(18 [pid 6123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(19) = -1 EBADF (Bad file descriptor) [pid 6119] close(20) = -1 EBADF (Bad file descriptor) [pid 6119] close(21) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6126 attached [pid 6119] close(22 [pid 6126] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6123] <... clone3 resumed> => {parent_tid=[14242]}, 88) = 14242 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... set_robust_list resumed>) = 0 [pid 6119] close(23 [pid 6123] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] rt_sigprocmask(SIG_SETMASK, [], [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] close(24 [pid 6126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... futex resumed>) = 0 [pid 6126] <... bpf resumed>) = 4 [pid 6123] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] close(25 [pid 6126] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... futex resumed>) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6119] close(26 [pid 6126] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 1 [pid 6119] close(27 [pid 6125] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6123] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(28) = -1 EBADF (Bad file descriptor) [pid 6119] close(29) = -1 EBADF (Bad file descriptor) [pid 6119] exit_group(0 [pid 6120] <... futex resumed>) = ? [pid 6119] <... exit_group resumed>) = ? [pid 6121] <... futex resumed>) = ? [pid 6120] +++ exited with 0 +++ [pid 6121] +++ exited with 0 +++ [pid 6119] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14137, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 295] umount2("./4793", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4793/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4793/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4793/cgroup.cpu") = 0 [pid 295] umount2("./4793/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4793/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4793/binderfs") = 0 [pid 295] umount2("./4793/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4793/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4793/cgroup") = 0 [pid 295] umount2("./4793/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4793/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4793/cgroup.net") = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4793") = 0 [pid 295] mkdir("./4794", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6127 attached [pid 6127] set_robust_list(0x5555568776a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14140 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6127] chdir("./4794") = 0 [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6127] setpgid(0, 0) = 0 [pid 6127] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6127] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6127] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6127] write(3, "1000", 4) = 4 [pid 6127] close(3) = 0 [pid 6127] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6127] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6127] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6127] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6127] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6128 attached [pid 6114] <... close resumed>) = 0 [pid 6113] <... close resumed>) = 0 [pid 6128] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6127] <... clone3 resumed> => {parent_tid=[14141]}, 88) = 14141 [pid 6114] close(6 [pid 6113] close(6 [pid 6128] <... set_robust_list resumed>) = 0 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] close(7 [pid 6113] close(7 [pid 6128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6127] <... futex resumed>) = 0 [pid 6114] close(8 [pid 6113] close(8 [pid 6128] <... bpf resumed>) = 3 [pid 6127] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6114] close(9 [pid 6113] close(9 [pid 6128] <... futex resumed>) = 0 [pid 6127] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... futex resumed>) = 0 [pid 6114] close(10 [pid 6128] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6113] close(10 [pid 6127] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... futex resumed>) = 0 [pid 6113] close(11 [pid 6128] <... bpf resumed>) = 0 [pid 6127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6114] close(11 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(12 [pid 6128] <... futex resumed>) = 0 [pid 6127] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6114] close(12 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] <... mprotect resumed>) = 0 [pid 6113] close(13 [pid 6127] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6114] close(13 [pid 6113] close(14 [pid 6127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6129 attached [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(15 [pid 6129] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6127] <... clone3 resumed> => {parent_tid=[14142]}, 88) = 14142 [pid 6114] close(14 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... set_robust_list resumed>) = 0 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(16 [pid 6129] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] close(15 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(17 [pid 6129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6127] <... futex resumed>) = 0 [pid 6114] close(16 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] close(18) = -1 EBADF (Bad file descriptor) [pid 6113] close(19) = -1 EBADF (Bad file descriptor) [pid 6113] close(20) = -1 EBADF (Bad file descriptor) [pid 6129] <... bpf resumed>) = 4 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(21 [pid 6129] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] close(17 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 0 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(22 [pid 6129] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] close(18 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = 1 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(23 [pid 6128] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6127] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6114] close(19 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(24) = -1 EBADF (Bad file descriptor) [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(25 [pid 6114] close(20 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(26 [pid 6114] close(21 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(27) = -1 EBADF (Bad file descriptor) [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(28 [pid 6114] close(22 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(29) = -1 EBADF (Bad file descriptor) [pid 6114] close(23 [pid 6113] exit_group(0 [pid 6118] <... futex resumed>) = ? [pid 6116] <... futex resumed>) = ? [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... exit_group resumed>) = ? [pid 6118] +++ exited with 0 +++ [pid 6116] +++ exited with 0 +++ [pid 6114] close(24 [pid 6113] +++ exited with 0 +++ [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] close(25 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 6114] close(26) = -1 EBADF (Bad file descriptor) [pid 6114] close(27) = -1 EBADF (Bad file descriptor) [pid 6114] close(28) = -1 EBADF (Bad file descriptor) [pid 6114] close(29) = -1 EBADF (Bad file descriptor) [pid 6114] exit_group(0 [pid 6117] <... futex resumed>) = ? [pid 6115] <... futex resumed>) = ? [pid 6114] <... exit_group resumed>) = ? [pid 6117] +++ exited with 0 +++ [pid 6115] +++ exited with 0 +++ [pid 293] <... restart_syscall resumed>) = 0 [pid 6114] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] umount2("./4679", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4854", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./4854", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 293] newfstatat(3, "", [pid 297] newfstatat(3, "", [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, [pid 297] getdents64(3, [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4854/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4679/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4854/cgroup.cpu", [pid 293] newfstatat(AT_FDCWD, "./4679/cgroup.cpu", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4854/cgroup.cpu" [pid 293] unlink("./4679/cgroup.cpu" [pid 297] <... unlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] umount2("./4854/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4679/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4854/binderfs", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4679/binderfs", [pid 297] unlink("./4854/binderfs" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 293] unlink("./4679/binderfs" [pid 297] umount2("./4854/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4854/cgroup", [pid 293] umount2("./4679/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4854/cgroup" [pid 293] newfstatat(AT_FDCWD, "./4679/cgroup", [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4854/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4679/cgroup" [pid 297] newfstatat(AT_FDCWD, "./4854/cgroup.net", [pid 293] <... unlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4679/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4854/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4679/cgroup.net", [pid 297] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] unlink("./4679/cgroup.net" [pid 297] close(3 [pid 293] <... unlink resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 293] getdents64(3, [pid 297] rmdir("./4854" [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 293] close(3 [pid 297] mkdir("./4855", 0777 [pid 293] <... close resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 293] rmdir("./4679" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6130 attached [pid 293] mkdir("./4680", 0777 [pid 6130] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14318 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6130] chdir("./4855") = 0 [pid 6130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6130] setpgid(0, 0 [pid 293] <... mkdir resumed>) = 0 [pid 6130] <... setpgid resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6130] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6130] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 ./strace-static-x86_64: Process 6131 attached [pid 6130] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6131] set_robust_list(0x5555568776a0, 24 [pid 6130] <... symlink resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13802 [pid 6131] <... set_robust_list resumed>) = 0 [pid 6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6131] chdir("./4680" [pid 6130] <... openat resumed>) = 3 [pid 6131] <... chdir resumed>) = 0 [pid 6130] write(3, "1000", 4 [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] <... write resumed>) = 4 [pid 6131] <... prctl resumed>) = 0 [pid 6130] close(3 [pid 6131] setpgid(0, 0 [pid 6130] <... close resumed>) = 0 [pid 6131] <... setpgid resumed>) = 0 [pid 6130] symlink("/dev/binderfs", "./binderfs" [pid 6131] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6130] <... symlink resumed>) = 0 [pid 6131] <... symlink resumed>) = 0 [pid 6130] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6130] <... futex resumed>) = 0 [pid 6131] <... symlink resumed>) = 0 [pid 6130] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6131] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6130] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6131] <... symlink resumed>) = 0 [pid 6130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] <... openat resumed>) = 3 [pid 6130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6131] write(3, "1000", 4 [pid 6130] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6131] <... write resumed>) = 4 [pid 6130] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6131] close(3 [pid 6130] <... mprotect resumed>) = 0 [pid 6131] <... close resumed>) = 0 [pid 6130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6131] symlink("/dev/binderfs", "./binderfs" [pid 6130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6131] <... symlink resumed>) = 0 [pid 6130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6132 attached [pid 6131] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... bpf resumed>) = 5 [pid 6125] <... bpf resumed>) = 5 [pid 6124] <... bpf resumed>) = 5 [pid 6132] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6131] <... futex resumed>) = 0 [pid 6130] <... clone3 resumed> => {parent_tid=[14319]}, 88) = 14319 [pid 6128] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6131] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6128] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 0 [pid 6125] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6132] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6128] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] close(3 [pid 6125] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] close(3 [pid 6122] close(3 [pid 6132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6130] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... close resumed>) = 0 [pid 6123] <... close resumed>) = 0 [pid 6122] <... close resumed>) = 0 [pid 6132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] <... futex resumed>) = 0 [pid 6127] close(4 [pid 6123] close(4 [pid 6122] close(4 [pid 6132] <... bpf resumed>) = 3 [pid 6131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6130] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... close resumed>) = 0 [pid 6132] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] close(5 [pid 6123] <... close resumed>) = 0 [pid 6122] <... close resumed>) = 0 [pid 6132] <... futex resumed>) = 0 [pid 6131] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6130] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... close resumed>) = 0 [pid 6132] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6131] <... mprotect resumed>) = 0 [pid 6130] <... futex resumed>) = 0 [pid 6127] close(6 [pid 6123] close(5 [pid 6122] close(5 [pid 6132] <... bpf resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6130] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6130] <... futex resumed>) = 0 [pid 6127] close(7 [pid 6132] <... futex resumed>) = 0 [pid 6131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = 0 [pid 6122] <... close resumed>) = 0 ./strace-static-x86_64: Process 6133 attached [pid 6132] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6127] close(8 [pid 6123] close(6 [pid 6133] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6131] <... clone3 resumed> => {parent_tid=[13803]}, 88) = 13803 [pid 6130] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(6 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_SETMASK, [], [pid 6130] <... mprotect resumed>) = 0 [pid 6127] close(9 [pid 6123] close(7 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(7 [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6127] close(10 [pid 6123] close(8 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6131] <... futex resumed>) = 0 [pid 6130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(8./strace-static-x86_64: Process 6134 attached [pid 6133] <... bpf resumed>) = 3 [pid 6131] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] close(11 [pid 6123] close(9 [pid 6134] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6133] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... clone3 resumed> => {parent_tid=[14320]}, 88) = 14320 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... set_robust_list resumed>) = 0 [pid 6133] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] close(12 [pid 6123] close(10 [pid 6122] close(9 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 6133] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6131] <... futex resumed>) = 0 [pid 6130] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] close(13 [pid 6123] close(11 [pid 6122] close(10 [pid 6134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6133] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6131] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] <... futex resumed>) = 0 [pid 6130] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] close(14 [pid 6131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6127] close(15 [pid 6134] <... bpf resumed>) = 4 [pid 6131] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] <... mprotect resumed>) = 0 [pid 6127] close(16 [pid 6134] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... bpf resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(12 [pid 6122] close(11 [pid 6134] <... futex resumed>) = 1 [pid 6133] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6130] <... futex resumed>) = 0 [pid 6127] close(17 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] <... futex resumed>) = 0 [pid 6131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6130] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(13 [pid 6122] close(12./strace-static-x86_64: Process 6135 attached [pid 6133] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6127] close(18 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6131] <... clone3 resumed> => {parent_tid=[13804]}, 88) = 13804 [pid 6130] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(14 [pid 6122] close(13 [pid 6135] <... set_robust_list resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] close(19 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(15 [pid 6122] close(14 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] close(20 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6131] <... futex resumed>) = 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(16 [pid 6122] close(15 [pid 6131] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] close(21) = -1 EBADF (Bad file descriptor) [pid 6127] close(22) = -1 EBADF (Bad file descriptor) [pid 6127] close(23) = -1 EBADF (Bad file descriptor) [pid 6127] close(24) = -1 EBADF (Bad file descriptor) [pid 6127] close(25) = -1 EBADF (Bad file descriptor) [pid 6127] close(26 [pid 6135] <... bpf resumed>) = 4 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] close(27 [pid 6123] close(17 [pid 6122] close(16 [pid 6135] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] close(28 [pid 6123] close(18 [pid 6122] close(17 [pid 6133] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = 1 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6131] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6127] close(29) = -1 EBADF (Bad file descriptor) [pid 6123] close(19 [pid 6122] close(18 [pid 6127] exit_group(0 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... futex resumed>) = ? [pid 6128] <... futex resumed>) = ? [pid 6127] <... exit_group resumed>) = ? [pid 6123] close(20 [pid 6122] close(19 [pid 6129] +++ exited with 0 +++ [pid 6128] +++ exited with 0 +++ [pid 6127] +++ exited with 0 +++ [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(21 [pid 6122] close(20 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(22 [pid 6122] close(21 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4794", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6123] close(23 [pid 6122] close(22 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] openat(AT_FDCWD, "./4794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6123] close(24 [pid 6122] close(23 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... openat resumed>) = 3 [pid 6123] close(25 [pid 6122] close(24 [pid 295] newfstatat(3, "", [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6123] close(26 [pid 6122] close(25 [pid 295] getdents64(3, [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(27 [pid 6122] close(26 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(28 [pid 6122] close(27 [pid 295] umount2("./4794/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(29 [pid 6122] close(28 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(AT_FDCWD, "./4794/cgroup.cpu", [pid 6123] exit_group(0 [pid 6122] close(29 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6126] <... futex resumed>) = ? [pid 6125] <... futex resumed>) = ? [pid 6123] <... exit_group resumed>) = ? [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] unlink("./4794/cgroup.cpu" [pid 6126] +++ exited with 0 +++ [pid 6125] +++ exited with 0 +++ [pid 6123] +++ exited with 0 +++ [pid 6122] exit_group(0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6122] <... exit_group resumed>) = ? [pid 295] <... unlink resumed>) = 0 [pid 6124] <... futex resumed>) = ? [pid 296] umount2("./4821", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 6124] +++ exited with 0 +++ [pid 6122] +++ exited with 0 +++ [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4821/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4794/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4821/cgroup.cpu", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4794/binderfs", [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 296] unlink("./4821/cgroup.cpu" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 296] umount2("./4821/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4794/binderfs" [pid 296] newfstatat(AT_FDCWD, "./4821/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4821/binderfs" [pid 295] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4794/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4821/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4742", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4821/cgroup", [pid 295] newfstatat(AT_FDCWD, "./4794/cgroup", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./4821/cgroup" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] unlink("./4794/cgroup" [pid 294] openat(AT_FDCWD, "./4742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] umount2("./4821/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4821/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4794/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... openat resumed>) = 3 [pid 296] unlink("./4821/cgroup.net" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(3, "", [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./4794/cgroup.net", [pid 296] close(3 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] rmdir("./4821" [pid 295] unlink("./4794/cgroup.net" [pid 294] getdents64(3, [pid 6133] <... bpf resumed>) = 5 [pid 6132] <... bpf resumed>) = 5 [pid 296] <... rmdir resumed>) = 0 [pid 6132] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] mkdir("./4822", 0777 [pid 6133] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] <... futex resumed>) = 1 [pid 6130] <... futex resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6133] <... futex resumed>) = 1 [pid 6132] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] <... futex resumed>) = 0 [pid 6130] close(3 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] getdents64(3, [pid 294] umount2("./4742/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6136 attached [pid 6133] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] close(3 [pid 6130] <... close resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6136] set_robust_list(0x5555568776a0, 24 [pid 6131] <... close resumed>) = 0 [pid 6130] close(4 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14243 [pid 295] close(3 [pid 294] newfstatat(AT_FDCWD, "./4742/cgroup.cpu", [pid 6136] <... set_robust_list resumed>) = 0 [pid 6131] close(4 [pid 6130] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6136] chdir("./4822" [pid 6131] <... close resumed>) = 0 [pid 6130] close(5 [pid 295] rmdir("./4794" [pid 294] unlink("./4742/cgroup.cpu" [pid 6136] <... chdir resumed>) = 0 [pid 6131] close(5 [pid 295] <... rmdir resumed>) = 0 [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] mkdir("./4795", 0777 [pid 294] <... unlink resumed>) = 0 [pid 6136] <... prctl resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 6136] setpgid(0, 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] umount2("./4742/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6136] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6137 attached [pid 6137] set_robust_list(0x5555568776a0, 24 [pid 6136] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6137] <... set_robust_list resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14143 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] chdir("./4795") = 0 [pid 6136] <... symlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4742/binderfs", [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6136] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6137] <... prctl resumed>) = 0 [pid 6137] setpgid(0, 0 [pid 6136] <... symlink resumed>) = 0 [pid 294] unlink("./4742/binderfs" [pid 6137] <... setpgid resumed>) = 0 [pid 6136] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6137] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 294] <... unlink resumed>) = 0 [pid 6137] <... symlink resumed>) = 0 [pid 6136] <... symlink resumed>) = 0 [pid 294] umount2("./4742/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6137] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6137] <... symlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6136] <... openat resumed>) = 3 [pid 294] newfstatat(AT_FDCWD, "./4742/cgroup", [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6136] write(3, "1000", 4 [pid 6137] <... openat resumed>) = 3 [pid 6136] <... write resumed>) = 4 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6137] write(3, "1000", 4) = 4 [pid 6136] close(3 [pid 294] unlink("./4742/cgroup" [pid 6137] close(3 [pid 6136] <... close resumed>) = 0 [pid 6137] <... close resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6136] symlink("/dev/binderfs", "./binderfs" [pid 6137] symlink("/dev/binderfs", "./binderfs" [pid 294] umount2("./4742/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6137] <... symlink resumed>) = 0 [pid 6136] <... symlink resumed>) = 0 [pid 6137] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... futex resumed>) = 0 [pid 6136] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] newfstatat(AT_FDCWD, "./4742/cgroup.net", [pid 6137] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6136] <... futex resumed>) = 0 [pid 6137] <... rt_sigaction resumed>NULL, 8) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6136] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6136] <... rt_sigaction resumed>NULL, 8) = 0 [pid 294] unlink("./4742/cgroup.net" [pid 6137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6137] <... mmap resumed>) = 0x7fd4ce11b000 [pid 294] <... unlink resumed>) = 0 [pid 6137] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] getdents64(3, [pid 6137] <... mprotect resumed>) = 0 [pid 6136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6136] <... mmap resumed>) = 0x7fd4ce11b000 [pid 294] close(3 [pid 6137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6136] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 294] <... close resumed>) = 0 ./strace-static-x86_64: Process 6138 attached [pid 6136] <... mprotect resumed>) = 0 [pid 294] rmdir("./4742" [pid 6138] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6137] <... clone3 resumed> => {parent_tid=[14144]}, 88) = 14144 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6137] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6137] <... futex resumed>) = 0 [pid 6137] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... rmdir resumed>) = 0 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] mkdir("./4743", 0777 [pid 6138] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6139 attached [pid 6139] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6136] <... clone3 resumed> => {parent_tid=[14244]}, 88) = 14244 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6138] <... bpf resumed>) = 3 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6136] rt_sigprocmask(SIG_SETMASK, [], [pid 6139] rt_sigprocmask(SIG_SETMASK, [], [pid 6138] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6139] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6140 attached [pid 6138] <... futex resumed>) = 1 [pid 6137] <... futex resumed>) = 0 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] set_robust_list(0x5555568776a0, 24 [pid 6138] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... set_robust_list resumed>) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6136] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] chdir("./4743" [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 1 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13965 [pid 6140] <... chdir resumed>) = 0 [pid 6139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6138] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6137] <... futex resumed>) = 0 [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] <... bpf resumed>) = 3 [pid 6137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6136] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] <... prctl resumed>) = 0 [pid 6139] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... bpf resumed>) = 0 [pid 6137] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] setpgid(0, 0 [pid 6139] <... futex resumed>) = 0 [pid 6138] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6136] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... setpgid resumed>) = 0 [pid 6139] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6138] <... futex resumed>) = 0 [pid 6137] <... mprotect resumed>) = 0 [pid 6136] <... futex resumed>) = 0 [pid 6140] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6139] <... bpf resumed>) = 0 [pid 6138] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6140] <... symlink resumed>) = 0 [pid 6139] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6136] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6139] <... futex resumed>) = 0 [pid 6137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6136] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6141 attached [pid 6140] <... symlink resumed>) = 0 [pid 6139] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6141] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6140] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6137] <... clone3 resumed> => {parent_tid=[14145]}, 88) = 14145 [pid 6136] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6141] <... set_robust_list resumed>) = 0 [pid 6140] <... symlink resumed>) = 0 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6141] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... openat resumed>) = 3 [pid 6137] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... mprotect resumed>) = 0 [pid 6140] write(3, "1000", 4 [pid 6141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6140] <... write resumed>) = 4 [pid 6137] <... futex resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6140] close(3) = 0 [pid 6137] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] symlink("/dev/binderfs", "./binderfs" [pid 6141] <... bpf resumed>) = 4 [pid 6140] <... symlink resumed>) = 0 [pid 6136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6141] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6141] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6140] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6137] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6142 attached [pid 6141] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 1 [pid 6142] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6137] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6136] <... clone3 resumed> => {parent_tid=[14245]}, 88) = 14245 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6136] rt_sigprocmask(SIG_SETMASK, [], [pid 6142] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... mprotect resumed>) = 0 [pid 6140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6136] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6142] <... futex resumed>) = 0 [pid 6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6136] <... futex resumed>) = 1 [pid 6142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 6143 attached ) = 4 [pid 6140] <... clone3 resumed> => {parent_tid=[13966]}, 88) = 13966 [pid 6136] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6142] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] <... set_robust_list resumed>) = 0 [pid 6142] <... futex resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] rt_sigprocmask(SIG_SETMASK, [], [pid 6142] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... futex resumed>) = 0 [pid 6136] <... futex resumed>) = 1 [pid 6143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... futex resumed>) = 0 [pid 6139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6136] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6140] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6143] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6143] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6140] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6140] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6143] <... bpf resumed>) = 0 [pid 6140] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6143] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6143] <... futex resumed>) = 0 [pid 6140] <... mprotect resumed>) = 0 [pid 6143] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6131] <... close resumed>) = 0 [pid 6130] <... close resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6131] close(6 [pid 6130] close(6 [pid 6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6144 attached [pid 6131] close(7 [pid 6130] close(7 [pid 6144] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6140] <... clone3 resumed> => {parent_tid=[13967]}, 88) = 13967 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] <... set_robust_list resumed>) = 0 [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 6131] close(8 [pid 6130] close(8 [pid 6144] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] close(9 [pid 6130] close(9 [pid 6140] <... futex resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6140] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] close(10 [pid 6130] close(10 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(11 [pid 6130] close(11 [pid 6144] <... bpf resumed>) = 4 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] close(12 [pid 6130] close(12 [pid 6144] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] close(13 [pid 6130] close(13 [pid 6143] <... futex resumed>) = 0 [pid 6140] <... futex resumed>) = 1 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6140] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6131] close(14 [pid 6130] close(14 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(15 [pid 6130] close(15 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(16 [pid 6130] close(16 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(17 [pid 6130] close(17 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(18 [pid 6130] close(18 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(19 [pid 6130] close(19 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(20 [pid 6130] close(20 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(21 [pid 6130] close(21 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(22 [pid 6130] close(22 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(23 [pid 6130] close(23 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(24 [pid 6130] close(24 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(25 [pid 6130] close(25 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(26 [pid 6130] close(26 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(27 [pid 6130] close(27 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(28 [pid 6130] close(28 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(29 [pid 6130] close(29 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] exit_group(0 [pid 6130] exit_group(0 [pid 6132] <... futex resumed>) = ? [pid 6131] <... exit_group resumed>) = ? [pid 6130] <... exit_group resumed>) = ? [pid 6135] <... futex resumed>) = ? [pid 6134] <... futex resumed>) = ? [pid 6133] <... futex resumed>) = ? [pid 6132] +++ exited with 0 +++ [pid 6135] +++ exited with 0 +++ [pid 6134] +++ exited with 0 +++ [pid 6130] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6133] +++ exited with 0 +++ [pid 6131] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./4855", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4855", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... restart_syscall resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] umount2("./4680", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] openat(AT_FDCWD, "./4680", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] umount2("./4855/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] <... openat resumed>) = 3 [pid 297] newfstatat(AT_FDCWD, "./4855/cgroup.cpu", [pid 293] newfstatat(3, "", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4855/cgroup.cpu" [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... unlink resumed>) = 0 [pid 293] getdents64(3, [pid 297] umount2("./4855/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4680/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./4855/binderfs", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4680/cgroup.cpu", [pid 297] unlink("./4855/binderfs" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 293] unlink("./4680/cgroup.cpu" [pid 297] umount2("./4855/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4855/cgroup", [pid 293] umount2("./4680/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4855/cgroup" [pid 293] newfstatat(AT_FDCWD, "./4680/binderfs", [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4855/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4680/binderfs" [pid 297] newfstatat(AT_FDCWD, "./4855/cgroup.net", [pid 293] <... unlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4680/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4855/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4680/cgroup", [pid 297] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] unlink("./4680/cgroup" [pid 297] close(3 [pid 293] <... unlink resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 293] umount2("./4680/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] rmdir("./4855" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... rmdir resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4680/cgroup.net", [pid 297] mkdir("./4856", 0777 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 293] unlink("./4680/cgroup.net" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6145 attached [pid 293] getdents64(3, [pid 6145] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14321 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6145] <... set_robust_list resumed>) = 0 [pid 6145] chdir("./4856" [pid 293] close(3 [pid 6145] <... chdir resumed>) = 0 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... close resumed>) = 0 [pid 6145] <... prctl resumed>) = 0 [pid 293] rmdir("./4680" [pid 6145] setpgid(0, 0) = 0 [pid 6145] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 293] <... rmdir resumed>) = 0 [pid 6145] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 293] mkdir("./4681", 0777 [pid 6145] <... symlink resumed>) = 0 [pid 6145] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 293] <... mkdir resumed>) = 0 [pid 6145] write(3, "1000", 4 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6145] <... write resumed>) = 4 [pid 6145] close(3) = 0 [pid 6145] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 6146 attached [pid 6145] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] set_robust_list(0x5555568776a0, 24 [pid 6145] <... futex resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13805 [pid 6146] <... set_robust_list resumed>) = 0 [pid 6145] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6146] chdir("./4681" [pid 6145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6146] <... chdir resumed>) = 0 [pid 6145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] <... prctl resumed>) = 0 [pid 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6146] setpgid(0, 0 [pid 6145] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6146] <... setpgid resumed>) = 0 [pid 6145] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6146] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6147 attached [pid 6146] <... symlink resumed>) = 0 [pid 6147] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6146] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6145] <... clone3 resumed> => {parent_tid=[14322]}, 88) = 14322 [pid 6147] <... set_robust_list resumed>) = 0 [pid 6145] rt_sigprocmask(SIG_SETMASK, [], [pid 6147] rt_sigprocmask(SIG_SETMASK, [], [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] <... symlink resumed>) = 0 [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6145] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6145] <... futex resumed>) = 0 [pid 6147] <... bpf resumed>) = 3 [pid 6146] <... symlink resumed>) = 0 [pid 6145] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] <... futex resumed>) = 0 [pid 6145] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6146] <... openat resumed>) = 3 [pid 6145] <... futex resumed>) = 0 [pid 6147] <... bpf resumed>) = 0 [pid 6145] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... bpf resumed>) = 5 [pid 6139] <... bpf resumed>) = 5 [pid 6138] <... bpf resumed>) = 5 [pid 6147] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] write(3, "1000", 4 [pid 6145] <... futex resumed>) = 0 [pid 6143] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 0 [pid 6146] <... write resumed>) = 4 [pid 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6143] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6147] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] close(3 [pid 6145] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6143] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] close(3 [pid 6139] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6138] <... futex resumed>) = 1 [pid 6137] <... futex resumed>) = 0 [pid 6136] close(3 [pid 6146] <... close resumed>) = 0 [pid 6145] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6140] <... close resumed>) = 0 [pid 6138] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] close(3 [pid 6136] <... close resumed>) = 0 [pid 6146] symlink("/dev/binderfs", "./binderfs" [pid 6145] <... mprotect resumed>) = 0 [pid 6140] close(4 [pid 6137] <... close resumed>) = 0 [pid 6136] close(4 [pid 6146] <... symlink resumed>) = 0 [pid 6145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6140] <... close resumed>) = 0 [pid 6137] close(4 [pid 6136] <... close resumed>) = 0 [pid 6146] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6140] close(5 [pid 6137] <... close resumed>) = 0 [pid 6136] close(5 [pid 6146] <... futex resumed>) = 0 [pid 6145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6140] <... close resumed>) = 0 [pid 6137] close(5 [pid 6136] <... close resumed>) = 0 ./strace-static-x86_64: Process 6148 attached [pid 6146] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6140] close(6 [pid 6137] <... close resumed>) = 0 [pid 6136] close(6 [pid 6148] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6146] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6145] <... clone3 resumed> => {parent_tid=[14323]}, 88) = 14323 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(6 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] <... set_robust_list resumed>) = 0 [pid 6146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6145] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] close(7 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(7 [pid 6148] rt_sigprocmask(SIG_SETMASK, [], [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(7 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6145] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] close(8 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(8 [pid 6148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6146] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6145] <... futex resumed>) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(8 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] close(9 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(9 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(9 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(10 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(10 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(10 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] <... bpf resumed>) = 4 [pid 6146] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6140] close(11 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(11 [pid 6148] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... mprotect resumed>) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(11 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(12 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(12 [pid 6146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6148] <... futex resumed>) = 1 [pid 6145] <... futex resumed>) = 0 [pid 6146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(12 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6145] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] close(13 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(13./strace-static-x86_64: Process 6150 attached [pid 6147] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(13 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6147] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6145] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6140] close(14 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(14 [pid 6150] <... set_robust_list resumed>) = 0 [pid 6146] <... clone3 resumed> => {parent_tid=[13806]}, 88) = 13806 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(14 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] close(15 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(15 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(15 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] close(16 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(16 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(16 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(17 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(17 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(17 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(18 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(18 [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(18 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] close(19 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(19 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(19 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... futex resumed>) = 0 [pid 6146] <... futex resumed>) = 1 [pid 6140] close(20 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(20 [pid 6150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6146] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(20 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... bpf resumed>) = 3 [pid 6140] close(21 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(21 [pid 6150] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(21 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6140] close(22 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(22 [pid 6150] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(22 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] <... futex resumed>) = 0 [pid 6140] close(23 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(23 [pid 6150] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6146] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(23 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... bpf resumed>) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6140] close(24 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(24 [pid 6150] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(24 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... futex resumed>) = 0 [pid 6146] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6140] close(25 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(25 [pid 6150] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(25 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... mprotect resumed>) = 0 [pid 6140] close(26 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(26 [pid 6146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(26 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6140] close(27 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(27 [pid 6146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(27 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6151 attached [pid 6140] close(28 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(28 [pid 6151] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6146] <... clone3 resumed> => {parent_tid=[13807]}, 88) = 13807 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(28 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... set_robust_list resumed>) = 0 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] close(29 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(29 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(29 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] exit_group(0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] exit_group(0 [pid 6151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6146] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = ? [pid 6143] <... futex resumed>) = ? [pid 6142] <... futex resumed>) = ? [pid 6140] <... exit_group resumed>) = ? [pid 6139] <... futex resumed>) = ? [pid 6137] exit_group(0 [pid 6136] <... exit_group resumed>) = ? [pid 6151] <... bpf resumed>) = 4 [pid 6146] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] +++ exited with 0 +++ [pid 6143] +++ exited with 0 +++ [pid 6142] +++ exited with 0 +++ [pid 6141] <... futex resumed>) = ? [pid 6140] +++ exited with 0 +++ [pid 6139] +++ exited with 0 +++ [pid 6138] <... futex resumed>) = ? [pid 6137] <... exit_group resumed>) = ? [pid 6136] +++ exited with 0 +++ [pid 6151] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] +++ exited with 0 +++ [pid 6138] +++ exited with 0 +++ [pid 6137] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6151] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6151] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 0 [pid 6146] <... futex resumed>) = 1 [pid 296] umount2("./4822", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6146] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./4795", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4743", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] openat(AT_FDCWD, "./4795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] umount2("./4822/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./4822/cgroup.cpu", [pid 295] newfstatat(3, "", [pid 294] openat(AT_FDCWD, "./4743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4822/cgroup.cpu") = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... openat resumed>) = 3 [pid 296] umount2("./4822/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 294] newfstatat(3, "", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4822/binderfs", [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] unlink("./4822/binderfs" [pid 295] umount2("./4795/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 294] getdents64(3, [pid 296] umount2("./4822/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4822/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4822/cgroup" [pid 295] newfstatat(AT_FDCWD, "./4795/cgroup.cpu", [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4822/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4822/cgroup.net", [pid 294] umount2("./4743/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4795/cgroup.cpu" [pid 296] unlink("./4822/cgroup.net" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 294] newfstatat(AT_FDCWD, "./4743/cgroup.cpu", [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] umount2("./4795/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] close(3 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... close resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4743/cgroup.cpu" [pid 6150] <... bpf resumed>) = 5 [pid 6147] <... bpf resumed>) = 5 [pid 296] rmdir("./4822" [pid 295] newfstatat(AT_FDCWD, "./4795/binderfs", [pid 294] <... unlink resumed>) = 0 [pid 6150] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... rmdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6150] <... futex resumed>) = 1 [pid 6147] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 0 [pid 296] mkdir("./4823", 0777 [pid 295] unlink("./4795/binderfs" [pid 294] umount2("./4743/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6150] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] close(3 [pid 6145] close(3 [pid 296] <... mkdir resumed>) = 0 [pid 6146] <... close resumed>) = 0 [pid 6145] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6152 attached [pid 6146] close(4 [pid 6145] close(4 [pid 295] umount2("./4795/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4743/binderfs", [pid 6152] set_robust_list(0x5555568776a0, 24 [pid 6146] <... close resumed>) = 0 [pid 6145] <... close resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14246 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6152] <... set_robust_list resumed>) = 0 [pid 6146] close(5 [pid 6145] close(5 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6152] chdir("./4823" [pid 6146] <... close resumed>) = 0 [pid 6145] <... close resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4795/cgroup", [pid 294] unlink("./4743/binderfs" [pid 6152] <... chdir resumed>) = 0 [pid 6146] close(6 [pid 6145] close(6 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] unlink("./4795/cgroup" [pid 294] <... unlink resumed>) = 0 [pid 6152] <... prctl resumed>) = 0 [pid 6146] close(7 [pid 6145] close(7 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] setpgid(0, 0 [pid 6146] close(8 [pid 6145] close(8 [pid 295] <... unlink resumed>) = 0 [pid 294] umount2("./4743/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6152] <... setpgid resumed>) = 0 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4795/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6146] close(9 [pid 6145] close(9 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6146] close(10 [pid 6145] close(10 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4743/cgroup", [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... symlink resumed>) = 0 [pid 6146] close(11 [pid 6145] close(11 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6152] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(AT_FDCWD, "./4795/cgroup.net", [pid 294] unlink("./4743/cgroup" [pid 6152] <... symlink resumed>) = 0 [pid 6146] close(12 [pid 6145] close(12 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6152] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6146] close(13 [pid 6145] close(13 [pid 295] unlink("./4795/cgroup.net" [pid 294] <... unlink resumed>) = 0 [pid 6152] <... symlink resumed>) = 0 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(14 [pid 6145] close(14 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] umount2("./4743/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6146] close(15 [pid 6145] close(15 [pid 295] getdents64(3, [pid 6152] <... openat resumed>) = 3 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] write(3, "1000", 4 [pid 6146] close(16 [pid 6145] close(16 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6152] <... write resumed>) = 4 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] close(3 [pid 294] newfstatat(AT_FDCWD, "./4743/cgroup.net", [pid 6146] close(17 [pid 6145] close(17 [pid 6152] close(3 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6152] <... close resumed>) = 0 [pid 6146] close(18 [pid 6145] close(18 [pid 295] <... close resumed>) = 0 [pid 294] unlink("./4743/cgroup.net" [pid 6152] symlink("/dev/binderfs", "./binderfs" [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] rmdir("./4795" [pid 6146] close(19 [pid 6145] close(19 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(20 [pid 6145] close(20 [pid 294] <... unlink resumed>) = 0 [pid 6152] <... symlink resumed>) = 0 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] getdents64(3, [pid 6146] close(21 [pid 6145] close(21 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(22 [pid 6145] close(22 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... rmdir resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6152] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] close(23 [pid 6145] close(23 [pid 295] mkdir("./4796", 0777 [pid 294] close(3 [pid 6152] <... futex resumed>) = 0 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(24 [pid 6145] close(24 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(25 [pid 6145] close(25 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(26 [pid 6145] close(26 [pid 295] <... mkdir resumed>) = 0 [pid 6152] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... close resumed>) = 0 [pid 6152] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6146] close(27 [pid 6145] close(27 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(28 [pid 6145] close(28 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(29 [pid 6145] close(29./strace-static-x86_64: Process 6153 attached [pid 6152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] rmdir("./4743" [pid 6153] set_robust_list(0x5555568776a0, 24 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] exit_group(0 [pid 6145] exit_group(0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14146 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6150] <... futex resumed>) = ? [pid 6147] <... futex resumed>) = ? [pid 6146] <... exit_group resumed>) = ? [pid 6145] <... exit_group resumed>) = ? [pid 6153] chdir("./4796" [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] <... futex resumed>) = ? [pid 6150] +++ exited with 0 +++ [pid 6148] <... futex resumed>) = ? [pid 6147] +++ exited with 0 +++ [pid 294] <... rmdir resumed>) = 0 [pid 6153] <... chdir resumed>) = 0 [pid 6153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6153] setpgid(0, 0) = 0 [pid 6153] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6151] +++ exited with 0 +++ [pid 6146] +++ exited with 0 +++ [pid 6153] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6152] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6148] +++ exited with 0 +++ [pid 6145] +++ exited with 0 +++ [pid 294] mkdir("./4744", 0777 [pid 6153] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6152] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6152] <... mprotect resumed>) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6153] write(3, "1000", 4) = 4 [pid 6153] close(3 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6153] <... close resumed>) = 0 [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14321, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6153] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 6154 attached [pid 6153] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6153] <... futex resumed>) = 0 [pid 297] umount2("./4856", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6155 attached [pid 6153] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6155] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6154] set_robust_list(0x5555568776a0, 24 [pid 6153] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6152] <... clone3 resumed> => {parent_tid=[14247]}, 88) = 14247 [pid 297] openat(AT_FDCWD, "./4856", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13968 [pid 293] umount2("./4681", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6155] <... set_robust_list resumed>) = 0 [pid 6154] <... set_robust_list resumed>) = 0 [pid 6153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... openat resumed>) = 3 [pid 6155] rt_sigprocmask(SIG_SETMASK, [], [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] chdir("./4744" [pid 6153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] newfstatat(3, "", [pid 293] openat(AT_FDCWD, "./4681", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6155] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] <... chdir resumed>) = 0 [pid 6153] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6152] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6153] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6152] <... futex resumed>) = 0 [pid 297] getdents64(3, [pid 293] <... openat resumed>) = 3 [pid 6155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6154] <... prctl resumed>) = 0 [pid 6153] <... mprotect resumed>) = 0 [pid 6155] <... bpf resumed>) = 3 [pid 6154] setpgid(0, 0 [pid 6153] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6152] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] newfstatat(3, "", [pid 6155] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... setpgid resumed>) = 0 [pid 6153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] umount2("./4856/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6156 attached [pid 6155] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6152] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... clone3 resumed> => {parent_tid=[14147]}, 88) = 14147 [pid 293] getdents64(3, [pid 6156] <... set_robust_list resumed>) = 0 [pid 6155] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6154] <... symlink resumed>) = 0 [pid 6153] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... futex resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4856/cgroup.cpu", [pid 6156] rt_sigprocmask(SIG_SETMASK, [], [pid 6155] <... bpf resumed>) = 0 [pid 6154] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = 0 [pid 6154] <... symlink resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6155] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6153] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] <... futex resumed>) = 0 [pid 297] unlink("./4856/cgroup.cpu" [pid 293] umount2("./4681/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6156] <... bpf resumed>) = 3 [pid 6154] <... symlink resumed>) = 0 [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 293] newfstatat(AT_FDCWD, "./4681/cgroup.cpu", [pid 6156] <... futex resumed>) = 1 [pid 6154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6153] <... futex resumed>) = 0 [pid 6152] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] umount2("./4856/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6156] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6154] <... openat resumed>) = 3 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... futex resumed>) = 0 [pid 6152] <... mprotect resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6154] write(3, "1000", 4 [pid 293] unlink("./4681/cgroup.cpu" [pid 6156] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6154] <... write resumed>) = 4 [pid 6153] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] newfstatat(AT_FDCWD, "./4856/binderfs", [pid 6153] <... futex resumed>) = 0 [pid 6153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 293] <... unlink resumed>) = 0 [pid 6153] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6156] <... bpf resumed>) = 0 [pid 6153] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4681/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6156] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] close(3 [pid 6153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6152] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] unlink("./4856/binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] <... futex resumed>) = 0 [pid 6154] <... close resumed>) = 0 [pid 6153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6158 attached ./strace-static-x86_64: Process 6157 attached [pid 6158] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6157] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6153] <... clone3 resumed> => {parent_tid=[14148]}, 88) = 14148 [pid 6158] <... set_robust_list resumed>) = 0 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6156] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] symlink("/dev/binderfs", "./binderfs" [pid 6153] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... clone3 resumed> => {parent_tid=[14248]}, 88) = 14248 [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4681/binderfs", [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 6157] rt_sigprocmask(SIG_SETMASK, [], [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] <... symlink resumed>) = 0 [pid 6153] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 297] umount2("./4856/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6157] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = 0 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] <... bpf resumed>) = 4 [pid 6154] <... futex resumed>) = 0 [pid 6153] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6152] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] unlink("./4681/binderfs" [pid 6158] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6157] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] <... futex resumed>) = 1 [pid 297] newfstatat(AT_FDCWD, "./4856/cgroup", [pid 6158] <... futex resumed>) = 0 [pid 6157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6154] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6153] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6158] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] <... bpf resumed>) = 4 [pid 6156] <... futex resumed>) = 0 [pid 6154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6153] <... futex resumed>) = 1 [pid 297] unlink("./4856/cgroup" [pid 293] umount2("./4681/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6157] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6153] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6157] <... futex resumed>) = 1 [pid 6152] <... futex resumed>) = 0 [pid 6157] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = 0 [pid 6154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] <... futex resumed>) = 1 [pid 297] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6154] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6152] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6156] <... bpf resumed>) = 5 [pid 6155] <... bpf resumed>) = 5 [pid 6154] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 297] umount2("./4856/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4681/cgroup", [pid 6156] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6154] <... mprotect resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] <... futex resumed>) = 1 [pid 6153] <... futex resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6155] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6153] close(3 [pid 6152] close(3 [pid 297] newfstatat(AT_FDCWD, "./4856/cgroup.net", [pid 6156] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6153] <... close resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 293] unlink("./4681/cgroup" [pid 6154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6153] close(4 [pid 6152] close(4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6153] <... close resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6153] close(5 [pid 6152] close(5./strace-static-x86_64: Process 6159 attached [pid 297] unlink("./4856/cgroup.net" [pid 293] umount2("./4681/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6159] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6154] <... clone3 resumed> => {parent_tid=[13969]}, 88) = 13969 [pid 6159] <... set_robust_list resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 6159] rt_sigprocmask(SIG_SETMASK, [], [pid 6154] rt_sigprocmask(SIG_SETMASK, [], [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] getdents64(3, [pid 293] newfstatat(AT_FDCWD, "./4681/cgroup.net", [pid 6159] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] <... futex resumed>) = 0 [pid 297] close(3 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6159] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6154] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... close resumed>) = 0 [pid 6159] <... bpf resumed>) = 3 [pid 297] rmdir("./4856" [pid 293] unlink("./4681/cgroup.net" [pid 6159] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6159] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... rmdir resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 297] mkdir("./4857", 0777 [pid 293] <... unlink resumed>) = 0 [pid 6154] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... mkdir resumed>) = 0 [pid 293] getdents64(3, [pid 6159] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 6159] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6154] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6159] <... bpf resumed>) = 0 [pid 6159] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6159] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] <... futex resumed>) = 0 [pid 293] close(3./strace-static-x86_64: Process 6160 attached [pid 6154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 293] <... close resumed>) = 0 [pid 6160] set_robust_list(0x5555568776a0, 24 [pid 6154] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14324 [pid 293] rmdir("./4681" [pid 6160] <... set_robust_list resumed>) = 0 [pid 6154] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6160] chdir("./4857") = 0 [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6160] setpgid(0, 0) = 0 [pid 6160] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6154] <... mprotect resumed>) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 6160] <... symlink resumed>) = 0 [pid 6160] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6154] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] mkdir("./4682", 0777 [pid 6160] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6154] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6160] <... symlink resumed>) = 0 [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 293] <... mkdir resumed>) = 0 [pid 6160] write(3, "1000", 4) = 4 [pid 6160] close(3./strace-static-x86_64: Process 6161 attached ) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6161] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6160] symlink("/dev/binderfs", "./binderfs" [pid 6154] <... clone3 resumed> => {parent_tid=[13970]}, 88) = 13970 [pid 6160] <... symlink resumed>) = 0 [pid 6160] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6160] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, ./strace-static-x86_64: Process 6162 attached NULL, 8) = 0 [pid 6161] <... set_robust_list resumed>) = 0 [pid 6154] rt_sigprocmask(SIG_SETMASK, [], [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13808 [pid 6162] set_robust_list(0x5555568776a0, 24 [pid 6161] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] <... set_robust_list resumed>) = 0 [pid 6161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] chdir("./4682" [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6154] <... futex resumed>) = 0 [pid 6162] <... chdir resumed>) = 0 [pid 6161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6160] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6154] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6160] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6160] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6163 attached [pid 6162] <... prctl resumed>) = 0 [pid 6161] <... bpf resumed>) = 4 [pid 6163] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6162] setpgid(0, 0 [pid 6161] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... clone3 resumed> => {parent_tid=[14325]}, 88) = 14325 [pid 6163] <... set_robust_list resumed>) = 0 [pid 6162] <... setpgid resumed>) = 0 [pid 6161] <... futex resumed>) = 1 [pid 6160] rt_sigprocmask(SIG_SETMASK, [], [pid 6154] <... futex resumed>) = 0 [pid 6163] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6160] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6161] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] <... futex resumed>) = 0 [pid 6154] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... symlink resumed>) = 0 [pid 6163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6162] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6159] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 6163] <... bpf resumed>) = 3 [pid 6159] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6163] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... symlink resumed>) = 0 [pid 6154] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6163] <... futex resumed>) = 1 [pid 6162] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6160] <... futex resumed>) = 0 [pid 6163] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6162] <... symlink resumed>) = 0 [pid 6160] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6160] <... futex resumed>) = 0 [pid 6163] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6162] <... openat resumed>) = 3 [pid 6160] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6163] <... bpf resumed>) = 0 [pid 6160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6162] write(3, "1000", 4 [pid 6163] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... write resumed>) = 4 [pid 6160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6163] <... futex resumed>) = 0 [pid 6162] close(3 [pid 6160] <... clone3 resumed> => {parent_tid=[14326]}, 88) = 14326 [pid 6160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6164 attached [pid 6163] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6162] <... close resumed>) = 0 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6162] symlink("/dev/binderfs", "./binderfs" [pid 6164] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6160] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... symlink resumed>) = 0 [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6162] <... futex resumed>) = 0 [pid 6164] <... bpf resumed>) = 4 [pid 6164] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6164] <... futex resumed>) = 1 [pid 6162] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6164] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6160] <... futex resumed>) = 0 [pid 6162] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6162] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6160] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6160] <... futex resumed>) = 1 [pid 6163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6162] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6160] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6162] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6165 attached [pid 6165] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6162] <... clone3 resumed> => {parent_tid=[13809]}, 88) = 13809 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6165] rt_sigprocmask(SIG_SETMASK, [], [pid 6162] rt_sigprocmask(SIG_SETMASK, [], [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6165] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 1 [pid 6165] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6162] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] <... bpf resumed>) = 3 [pid 6165] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6162] <... futex resumed>) = 0 [pid 6165] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... futex resumed>) = 0 [pid 6165] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6162] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... bpf resumed>) = 0 [pid 6165] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6165] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] <... futex resumed>) = 0 [pid 6162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6162] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6162] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6166 attached [pid 6166] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 6162] <... clone3 resumed> => {parent_tid=[13810]}, 88) = 13810 [pid 6166] rt_sigprocmask(SIG_SETMASK, [], [pid 6162] rt_sigprocmask(SIG_SETMASK, [], [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6166] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 1 [pid 6166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6162] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] <... bpf resumed>) = 4 [pid 6166] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6162] <... futex resumed>) = 0 [pid 6166] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6162] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6165] <... futex resumed>) = 0 [pid 6165] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6153] <... close resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 6153] close(6 [pid 6152] close(6 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(7 [pid 6152] close(7 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(8) = -1 EBADF (Bad file descriptor) [pid 6152] close(9) = -1 EBADF (Bad file descriptor) [pid 6153] close(8 [pid 6152] close(10 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(9 [pid 6152] close(11 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(10 [pid 6152] close(12 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(11 [pid 6152] close(13 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(14) = -1 EBADF (Bad file descriptor) [pid 6152] close(15 [pid 6153] close(12 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(16 [pid 6153] close(13 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(17 [pid 6153] close(14 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(18 [pid 6153] close(15 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(19 [pid 6153] close(16 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(20) = -1 EBADF (Bad file descriptor) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(21 [pid 6153] close(17 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(22 [pid 6153] close(18 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(23 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(19 [pid 6152] close(24 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(20 [pid 6152] close(25 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(21 [pid 6152] close(26 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(22 [pid 6152] close(27) = -1 EBADF (Bad file descriptor) [pid 6152] close(28 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(23 [pid 6152] close(29 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(24 [pid 6152] exit_group(0 [pid 6157] <... futex resumed>) = ? [pid 6155] <... futex resumed>) = ? [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... exit_group resumed>) = ? [pid 6157] +++ exited with 0 +++ [pid 6155] +++ exited with 0 +++ [pid 6153] close(25 [pid 6152] +++ exited with 0 +++ [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6153] close(26 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(27) = -1 EBADF (Bad file descriptor) [pid 6153] close(28) = -1 EBADF (Bad file descriptor) [pid 6153] close(29) = -1 EBADF (Bad file descriptor) [pid 6153] exit_group(0 [pid 6158] <... futex resumed>) = ? [pid 6156] <... futex resumed>) = ? [pid 6153] <... exit_group resumed>) = ? [pid 6158] +++ exited with 0 +++ [pid 6156] +++ exited with 0 +++ [pid 6153] +++ exited with 0 +++ [pid 296] <... restart_syscall resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 296] umount2("./4823", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 295] <... restart_syscall resumed>) = 0 [pid 295] umount2("./4796", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] getdents64(3, [pid 296] umount2("./4823/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4796/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4823/cgroup.cpu", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4796/cgroup.cpu", [pid 296] unlink("./4823/cgroup.cpu" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4796/cgroup.cpu" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] umount2("./4823/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4796/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4823/binderfs", [pid 295] newfstatat(AT_FDCWD, "./4796/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4823/binderfs" [pid 295] unlink("./4796/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] umount2("./4823/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4796/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4823/cgroup", [pid 295] newfstatat(AT_FDCWD, "./4796/cgroup", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4823/cgroup" [pid 295] unlink("./4796/cgroup") = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4796/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4823/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4796/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4796/cgroup.net" [pid 296] newfstatat(AT_FDCWD, "./4823/cgroup.net", [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] unlink("./4823/cgroup.net" [pid 295] close(3) = 0 [pid 295] rmdir("./4796" [pid 296] <... unlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 296] getdents64(3, [pid 295] mkdir("./4797", 0777 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 296] close(3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... close resumed>) = 0 ./strace-static-x86_64: Process 6167 attached [pid 296] rmdir("./4823" [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14149 [pid 6167] set_robust_list(0x5555568776a0, 24) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 6167] chdir("./4797" [pid 296] mkdir("./4824", 0777 [pid 6167] <... chdir resumed>) = 0 [pid 6167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... mkdir resumed>) = 0 [pid 6167] <... prctl resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6167] setpgid(0, 0./strace-static-x86_64: Process 6168 attached ) = 0 [pid 6168] set_robust_list(0x5555568776a0, 24) = 0 [pid 6168] chdir("./4824" [pid 6167] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14249 [pid 6168] <... chdir resumed>) = 0 [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6168] setpgid(0, 0) = 0 [pid 6167] <... symlink resumed>) = 0 [pid 6168] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6167] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6168] <... symlink resumed>) = 0 [pid 6168] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6168] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6167] <... symlink resumed>) = 0 [pid 6168] <... symlink resumed>) = 0 [pid 6167] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6167] <... symlink resumed>) = 0 [pid 6168] write(3, "1000", 4 [pid 6167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6168] <... write resumed>) = 4 [pid 6168] close(3) = 0 [pid 6168] symlink("/dev/binderfs", "./binderfs" [pid 6167] <... openat resumed>) = 3 [pid 6168] <... symlink resumed>) = 0 [pid 6167] write(3, "1000", 4 [pid 6168] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6167] <... write resumed>) = 4 [pid 6168] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6167] close(3 [pid 6168] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6167] <... close resumed>) = 0 [pid 6168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] symlink("/dev/binderfs", "./binderfs" [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6168] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6167] <... symlink resumed>) = 0 [pid 6168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6167] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6169 attached [pid 6167] <... futex resumed>) = 0 [pid 6169] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6168] <... clone3 resumed> => {parent_tid=[14250]}, 88) = 14250 [pid 6167] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6169] <... set_robust_list resumed>) = 0 [pid 6168] rt_sigprocmask(SIG_SETMASK, [], [pid 6169] rt_sigprocmask(SIG_SETMASK, [], [pid 6168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6168] <... futex resumed>) = 0 [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6169] <... bpf resumed>) = 3 [pid 6168] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6169] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6169] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6167] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6169] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] <... futex resumed>) = 0 [pid 6167] <... mprotect resumed>) = 0 [pid 6169] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6168] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6167] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6168] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6168] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6169] <... bpf resumed>) = 0 [pid 6168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6167] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6169] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6169] <... futex resumed>) = 0 [pid 6168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6171 attached ./strace-static-x86_64: Process 6170 attached [pid 6169] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6170] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6167] <... clone3 resumed> => {parent_tid=[14150]}, 88) = 14150 [pid 6171] <... set_robust_list resumed>) = 0 [pid 6170] <... set_robust_list resumed>) = 0 [pid 6168] <... clone3 resumed> => {parent_tid=[14251]}, 88) = 14251 [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6171] rt_sigprocmask(SIG_SETMASK, [], [pid 6170] rt_sigprocmask(SIG_SETMASK, [], [pid 6171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6171] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6168] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] <... bpf resumed>) = 5 [pid 6163] <... bpf resumed>) = 5 [pid 6159] <... bpf resumed>) = 5 [pid 6171] <... futex resumed>) = 0 [pid 6170] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6170] <... futex resumed>) = 0 [pid 6168] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = 1 [pid 6163] <... futex resumed>) = 1 [pid 6162] <... futex resumed>) = 0 [pid 6160] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = 1 [pid 6154] <... futex resumed>) = 0 [pid 6171] <... bpf resumed>) = 4 [pid 6170] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6167] <... futex resumed>) = 0 [pid 6165] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] close(3 [pid 6160] close(3 [pid 6154] close(3 [pid 6159] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... bpf resumed>) = 0 [pid 6167] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... close resumed>) = 0 [pid 6160] <... close resumed>) = 0 [pid 6154] <... close resumed>) = 0 [pid 6171] <... futex resumed>) = 1 [pid 6170] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6162] close(4 [pid 6160] close(4 [pid 6154] close(4 [pid 6171] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... futex resumed>) = 0 [pid 6168] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6162] <... close resumed>) = 0 [pid 6160] <... close resumed>) = 0 [pid 6170] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = 1 [pid 6167] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6162] close(5 [pid 6160] close(5 [pid 6154] <... close resumed>) = 0 [pid 6169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6168] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6167] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6162] <... close resumed>) = 0 [pid 6160] <... close resumed>) = 0 [pid 6154] close(5 [pid 6162] close(6 [pid 6160] close(6 [pid 6169] <... bpf resumed>) = 5 [pid 6167] <... mprotect resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6162] close(7 [pid 6160] close(7 [pid 6169] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6167] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] close(3 [pid 6167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6162] close(8 [pid 6160] close(8 [pid 6168] <... close resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6168] close(4 [pid 6162] close(9 [pid 6160] close(9./strace-static-x86_64: Process 6172 attached [pid 6168] <... close resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6168] close(5 [pid 6167] <... clone3 resumed> => {parent_tid=[14151]}, 88) = 14151 [pid 6162] close(10 [pid 6160] close(10 [pid 6172] <... set_robust_list resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6162] close(11 [pid 6160] close(11 [pid 6172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] close(12 [pid 6160] close(12 [pid 6167] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... futex resumed>) = 0 [pid 6167] <... futex resumed>) = 1 [pid 6162] close(13 [pid 6160] close(13 [pid 6172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6167] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... bpf resumed>) = 4 [pid 6162] close(14 [pid 6160] close(14 [pid 6172] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 6162] close(15 [pid 6160] close(15 [pid 6172] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... futex resumed>) = 0 [pid 6167] <... futex resumed>) = 1 [pid 6162] close(16 [pid 6160] close(16 [pid 6170] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6167] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(17 [pid 6160] close(17 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(18 [pid 6160] close(18 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(19 [pid 6160] close(19 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(20 [pid 6160] close(20 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(21 [pid 6160] close(21 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(22 [pid 6160] close(22 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(23 [pid 6160] close(23 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(24 [pid 6160] close(24 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(25 [pid 6160] close(25 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(26 [pid 6160] close(26 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(27 [pid 6160] close(27 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(28 [pid 6160] close(28 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(29 [pid 6160] close(29 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] exit_group(0 [pid 6160] exit_group(0 [pid 6166] <... futex resumed>) = ? [pid 6165] <... futex resumed>) = ? [pid 6164] <... futex resumed>) = ? [pid 6163] <... futex resumed>) = ? [pid 6162] <... exit_group resumed>) = ? [pid 6160] <... exit_group resumed>) = ? [pid 6166] +++ exited with 0 +++ [pid 6165] +++ exited with 0 +++ [pid 6164] +++ exited with 0 +++ [pid 6163] +++ exited with 0 +++ [pid 6162] +++ exited with 0 +++ [pid 6160] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] umount2("./4857", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4682", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4857", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] openat(AT_FDCWD, "./4682", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 293] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 293] newfstatat(3, "", [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 293] getdents64(3, [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4857/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4682/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4857/cgroup.cpu", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4857/cgroup.cpu" [pid 293] newfstatat(AT_FDCWD, "./4682/cgroup.cpu", [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4857/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4682/cgroup.cpu" [pid 297] newfstatat(AT_FDCWD, "./4857/binderfs", [pid 293] <... unlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4682/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4857/binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4682/binderfs", [pid 297] umount2("./4857/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4682/binderfs" [pid 297] newfstatat(AT_FDCWD, "./4857/cgroup", [pid 293] <... unlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4682/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4857/cgroup" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4682/cgroup", [pid 297] umount2("./4857/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4682/cgroup" [pid 297] newfstatat(AT_FDCWD, "./4857/cgroup.net", [pid 293] <... unlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4682/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4857/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4682/cgroup.net", [pid 297] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] unlink("./4682/cgroup.net" [pid 297] close(3 [pid 293] <... unlink resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 293] getdents64(3, [pid 297] rmdir("./4857" [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 293] close(3 [pid 297] mkdir("./4858", 0777 [pid 293] <... close resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 293] rmdir("./4682" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6173 attached [pid 293] mkdir("./4683", 0777 [pid 6173] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14327 [pid 6173] <... set_robust_list resumed>) = 0 [pid 6173] chdir("./4858") = 0 [pid 6173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6173] setpgid(0, 0) = 0 [pid 6173] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 293] <... mkdir resumed>) = 0 [pid 6173] <... symlink resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6173] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6173] symlink("/syzcgroup/net/syz3", "./cgroup.net"./strace-static-x86_64: Process 6174 attached ) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13811 [pid 6174] set_robust_list(0x5555568776a0, 24 [pid 6173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6174] <... set_robust_list resumed>) = 0 [pid 6173] <... openat resumed>) = 3 [pid 6173] write(3, "1000", 4) = 4 [pid 6174] chdir("./4683" [pid 6173] close(3 [pid 6174] <... chdir resumed>) = 0 [pid 6173] <... close resumed>) = 0 [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6173] symlink("/dev/binderfs", "./binderfs" [pid 6174] <... prctl resumed>) = 0 [pid 6173] <... symlink resumed>) = 0 [pid 6174] setpgid(0, 0 [pid 6173] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... setpgid resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6168] <... close resumed>) = 0 [pid 6154] <... close resumed>) = 0 [pid 6173] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6168] close(6 [pid 6174] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(6 [pid 6173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6168] close(7 [pid 6174] <... symlink resumed>) = 0 [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6168] close(8 [pid 6154] close(7 [pid 6173] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... symlink resumed>) = 0 [pid 6173] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6168] close(9 [pid 6174] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6173] <... mprotect resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... symlink resumed>) = 0 [pid 6173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6168] close(10 [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(8 [pid 6173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6168] close(11./strace-static-x86_64: Process 6175 attached [pid 6174] <... openat resumed>) = 3 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6174] write(3, "1000", 4 [pid 6173] <... clone3 resumed> => {parent_tid=[14328]}, 88) = 14328 [pid 6168] close(12 [pid 6154] close(9 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6173] rt_sigprocmask(SIG_SETMASK, [], [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... write resumed>) = 4 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] rt_sigprocmask(SIG_SETMASK, [], [pid 6174] close(3 [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] close(13 [pid 6154] close(10 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6174] <... close resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6168] close(14 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... bpf resumed>) = 3 [pid 6174] symlink("/dev/binderfs", "./binderfs" [pid 6173] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(11 [pid 6175] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] close(15 [pid 6175] <... futex resumed>) = 0 [pid 6174] <... symlink resumed>) = 0 [pid 6173] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6174] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... futex resumed>) = 0 [pid 6168] close(16 [pid 6175] <... bpf resumed>) = 0 [pid 6174] <... futex resumed>) = 0 [pid 6173] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(12 [pid 6175] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6173] <... futex resumed>) = 0 [pid 6168] close(17 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... futex resumed>) = 0 [pid 6174] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6173] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6168] close(18 [pid 6154] close(13 [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6173] <... mprotect resumed>) = 0 [pid 6168] close(19 [pid 6154] close(14 [pid 6174] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6168] close(20 [pid 6154] close(15 [pid 6174] <... mprotect resumed>) = 0 [pid 6173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6176 attached [pid 6174] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6168] close(21 [pid 6176] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6174] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6173] <... clone3 resumed> => {parent_tid=[14329]}, 88) = 14329 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(16 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6173] rt_sigprocmask(SIG_SETMASK, [], [pid 6168] close(22 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] rt_sigprocmask(SIG_SETMASK, [], [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6177 attached [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] close(23 [pid 6154] close(17 [pid 6177] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6174] <... clone3 resumed> => {parent_tid=[13812]}, 88) = 13812 [pid 6173] <... futex resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... set_robust_list resumed>) = 0 [pid 6176] <... bpf resumed>) = 4 [pid 6174] rt_sigprocmask(SIG_SETMASK, [], [pid 6173] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] close(24 [pid 6154] close(18 [pid 6177] rt_sigprocmask(SIG_SETMASK, [], [pid 6176] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6174] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] close(25 [pid 6154] close(19 [pid 6177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6176] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] <... futex resumed>) = 0 [pid 6174] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = 1 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... bpf resumed>) = 3 [pid 6175] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6174] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6168] close(26 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(20 [pid 6177] <... futex resumed>) = 0 [pid 6174] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] close(27 [pid 6177] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6174] <... futex resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... bpf resumed>) = 0 [pid 6174] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] close(28 [pid 6154] close(21 [pid 6177] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... futex resumed>) = 0 [pid 6174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6168] close(29 [pid 6154] close(22 [pid 6177] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6168] exit_group(0 [pid 6154] close(23 [pid 6174] <... mprotect resumed>) = 0 [pid 6171] <... futex resumed>) = ? [pid 6169] <... futex resumed>) = ? [pid 6168] <... exit_group resumed>) = ? [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6171] +++ exited with 0 +++ [pid 6169] +++ exited with 0 +++ [pid 6154] close(24 [pid 6174] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6154] close(25./strace-static-x86_64: Process 6178 attached ) = -1 EBADF (Bad file descriptor) [pid 6178] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6174] <... clone3 resumed> => {parent_tid=[13813]}, 88) = 13813 [pid 6154] close(26 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6174] rt_sigprocmask(SIG_SETMASK, [], [pid 6168] +++ exited with 0 +++ [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] rt_sigprocmask(SIG_SETMASK, [], [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] close(27 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6174] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 6178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6174] <... futex resumed>) = 0 [pid 6154] close(28 [pid 296] <... restart_syscall resumed>) = 0 [pid 6178] <... bpf resumed>) = 4 [pid 6174] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] close(29 [pid 6178] <... futex resumed>) = 0 [pid 6174] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] <... futex resumed>) = 0 [pid 6174] <... futex resumed>) = 1 [pid 6154] exit_group(0 [pid 296] umount2("./4824", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6174] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6161] <... futex resumed>) = ? [pid 6159] <... futex resumed>) = ? [pid 6154] <... exit_group resumed>) = ? [pid 6161] +++ exited with 0 +++ [pid 6159] +++ exited with 0 +++ [pid 6154] +++ exited with 0 +++ [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 294] umount2("./4744", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 294] openat(AT_FDCWD, "./4744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... openat resumed>) = 3 [pid 296] umount2("./4824/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(3, "", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(AT_FDCWD, "./4824/cgroup.cpu", [pid 294] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] unlink("./4824/cgroup.cpu" [pid 294] umount2("./4744/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4744/cgroup.cpu", [pid 296] umount2("./4824/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4744/cgroup.cpu" [pid 296] newfstatat(AT_FDCWD, "./4824/binderfs", [pid 294] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4744/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4824/binderfs" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4744/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4744/binderfs" [pid 296] umount2("./4824/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4744/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4824/cgroup", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4744/cgroup", [pid 296] unlink("./4824/cgroup" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4744/cgroup" [pid 296] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 296] umount2("./4824/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4744/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4824/cgroup.net", [pid 294] newfstatat(AT_FDCWD, "./4744/cgroup.net", [pid 6170] <... bpf resumed>) = 5 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6177] <... bpf resumed>) = 5 [pid 6175] <... bpf resumed>) = 5 [pid 6170] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] unlink("./4824/cgroup.net" [pid 294] unlink("./4744/cgroup.net" [pid 6177] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6177] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6170] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] close(3 [pid 296] getdents64(3, [pid 294] getdents64(3, [pid 6177] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] close(3 [pid 6173] close(3 [pid 6167] <... close resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6174] <... close resumed>) = 0 [pid 6173] <... close resumed>) = 0 [pid 6167] close(4 [pid 296] close(3 [pid 294] close(3 [pid 6174] close(4 [pid 6173] close(4 [pid 6167] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 6174] <... close resumed>) = 0 [pid 6173] <... close resumed>) = 0 [pid 6167] close(5 [pid 296] rmdir("./4824" [pid 294] rmdir("./4744" [pid 6174] close(5 [pid 6173] close(5 [pid 6167] <... close resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 294] <... rmdir resumed>) = 0 [pid 6167] close(6 [pid 296] mkdir("./4825", 0777 [pid 294] mkdir("./4745", 0777 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... mkdir resumed>) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 6167] close(7 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6180 attached ./strace-static-x86_64: Process 6179 attached [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] set_robust_list(0x5555568776a0, 24 [pid 6179] set_robust_list(0x5555568776a0, 24 [pid 6167] close(8 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14252 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13971 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] chdir("./4745" [pid 6179] chdir("./4825" [pid 6167] close(9 [pid 6180] <... chdir resumed>) = 0 [pid 6179] <... chdir resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6167] close(10 [pid 6180] <... prctl resumed>) = 0 [pid 6179] <... prctl resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] setpgid(0, 0 [pid 6179] setpgid(0, 0 [pid 6167] close(11 [pid 6180] <... setpgid resumed>) = 0 [pid 6179] <... setpgid resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6179] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6167] close(12 [pid 6180] <... symlink resumed>) = 0 [pid 6179] <... symlink resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6179] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6167] close(13 [pid 6180] <... symlink resumed>) = 0 [pid 6179] <... symlink resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6179] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6167] close(14 [pid 6180] <... symlink resumed>) = 0 [pid 6179] <... symlink resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6167] close(15 [pid 6180] <... openat resumed>) = 3 [pid 6179] <... openat resumed>) = 3 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] write(3, "1000", 4 [pid 6179] write(3, "1000", 4 [pid 6167] close(16 [pid 6180] <... write resumed>) = 4 [pid 6179] <... write resumed>) = 4 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(3 [pid 6179] close(3 [pid 6167] close(17 [pid 6180] <... close resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] symlink("/dev/binderfs", "./binderfs" [pid 6179] symlink("/dev/binderfs", "./binderfs" [pid 6167] close(18 [pid 6180] <... symlink resumed>) = 0 [pid 6179] <... symlink resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] close(19 [pid 6180] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6179] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6167] close(20 [pid 6180] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6179] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6167] close(21 [pid 6180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6167] close(22 [pid 6180] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6179] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6179] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6167] close(23 [pid 6180] <... mprotect resumed>) = 0 [pid 6179] <... mprotect resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6167] close(24 [pid 6180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6167] close(25./strace-static-x86_64: Process 6182 attached ./strace-static-x86_64: Process 6181 attached ) = -1 EBADF (Bad file descriptor) [pid 6182] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6181] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6180] <... clone3 resumed> => {parent_tid=[13972]}, 88) = 13972 [pid 6179] <... clone3 resumed> => {parent_tid=[14253]}, 88) = 14253 [pid 6167] close(26 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] <... set_robust_list resumed>) = 0 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 6181] rt_sigprocmask(SIG_SETMASK, [], [pid 6180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] close(27 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6180] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6180] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6167] close(28 [pid 6182] <... bpf resumed>) = 3 [pid 6181] <... bpf resumed>) = 3 [pid 6180] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] close(29 [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6180] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6181] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6180] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6167] exit_group(0 [pid 6182] <... bpf resumed>) = 0 [pid 6181] <... bpf resumed>) = 0 [pid 6180] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... futex resumed>) = ? [pid 6167] <... exit_group resumed>) = ? [pid 6182] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6172] <... futex resumed>) = ? [pid 6170] +++ exited with 0 +++ [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6180] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6179] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6180] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6179] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6180] <... mprotect resumed>) = 0 [pid 6179] <... mprotect resumed>) = 0 [pid 6180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6172] +++ exited with 0 +++ [pid 6167] +++ exited with 0 +++ [pid 6181] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6184 attached ./strace-static-x86_64: Process 6183 attached [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6184] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6183] set_robust_list(0x7fd4ce11a9a0, 24 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] <... set_robust_list resumed>) = 0 [pid 6184] rt_sigprocmask(SIG_SETMASK, [], [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... restart_syscall resumed>) = 0 [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6184] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] <... clone3 resumed> => {parent_tid=[13973]}, 88) = 13973 [pid 6179] <... clone3 resumed> => {parent_tid=[14254]}, 88) = 14254 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] rt_sigprocmask(SIG_SETMASK, [], [pid 295] umount2("./4797", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6180] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] openat(AT_FDCWD, "./4797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6183] <... futex resumed>) = 0 [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 1 [pid 295] <... openat resumed>) = 3 [pid 6184] <... futex resumed>) = 0 [pid 6183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6180] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] newfstatat(3, "", [pid 6184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6183] <... bpf resumed>) = 4 [pid 6179] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] <... close resumed>) = 0 [pid 6173] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6183] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] close(6 [pid 6183] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] close(7 [pid 6184] <... bpf resumed>) = 4 [pid 6181] <... futex resumed>) = 0 [pid 6180] <... futex resumed>) = 1 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(6 [pid 295] getdents64(3, [pid 6184] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6180] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6174] close(8 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(7 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6184] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6174] close(9 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4797/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6184] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(8 [pid 6182] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = 1 [pid 6174] close(10 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6179] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(9 [pid 295] newfstatat(AT_FDCWD, "./4797/cgroup.cpu", [pid 6174] close(11 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(10 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] close(12 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] unlink("./4797/cgroup.cpu" [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(11 [pid 6174] close(13) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 [pid 6174] close(14 [pid 6173] close(12 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4797/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6174] close(15 [pid 6173] close(13 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] close(16 [pid 6173] close(14 [pid 295] newfstatat(AT_FDCWD, "./4797/binderfs", [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(17 [pid 6173] close(15 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] unlink("./4797/binderfs" [pid 6174] close(18 [pid 6173] close(16 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 [pid 6174] close(19 [pid 6173] close(17 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4797/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6174] close(20 [pid 6173] close(18 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(AT_FDCWD, "./4797/cgroup", [pid 6174] close(21 [pid 6173] close(19 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] close(22 [pid 6173] close(20 [pid 295] unlink("./4797/cgroup" [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(23 [pid 6173] close(21 [pid 295] <... unlink resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4797/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6174] close(24 [pid 6173] close(22 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] close(25 [pid 6173] close(23 [pid 295] newfstatat(AT_FDCWD, "./4797/cgroup.net", [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(26 [pid 6173] close(24 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(27 [pid 6173] close(25 [pid 295] unlink("./4797/cgroup.net" [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(28) = -1 EBADF (Bad file descriptor) [pid 6174] close(29 [pid 6173] close(26 [pid 295] <... unlink resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] getdents64(3, [pid 6174] exit_group(0 [pid 6173] close(27 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6178] <... futex resumed>) = ? [pid 6177] <... futex resumed>) = ? [pid 6174] <... exit_group resumed>) = ? [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] close(3 [pid 6178] +++ exited with 0 +++ [pid 6177] +++ exited with 0 +++ [pid 6174] +++ exited with 0 +++ [pid 6173] close(28 [pid 295] <... close resumed>) = 0 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] rmdir("./4797" [pid 6173] close(29 [pid 295] <... rmdir resumed>) = 0 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] mkdir("./4798", 0777 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13811, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6173] exit_group(0 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... mkdir resumed>) = 0 [pid 6173] <... exit_group resumed>) = ? [pid 6176] <... futex resumed>) = ? [pid 6175] <... futex resumed>) = ? [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6175] +++ exited with 0 +++ [pid 293] <... restart_syscall resumed>) = 0 [pid 293] umount2("./4683", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4683", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6176] +++ exited with 0 +++ [pid 6173] +++ exited with 0 +++ [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4683/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4683/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4683/cgroup.cpu"./strace-static-x86_64: Process 6185 attached [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14152 [pid 293] <... unlink resumed>) = 0 [pid 293] umount2("./4683/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6185] set_robust_list(0x5555568776a0, 24 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] <... set_robust_list resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] newfstatat(AT_FDCWD, "./4683/binderfs", [pid 6185] chdir("./4798" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6185] <... chdir resumed>) = 0 [pid 293] unlink("./4683/binderfs" [pid 6185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... unlink resumed>) = 0 [pid 6185] <... prctl resumed>) = 0 [pid 297] umount2("./4858", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4683/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6185] setpgid(0, 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] <... setpgid resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4858", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] newfstatat(AT_FDCWD, "./4683/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6185] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 293] unlink("./4683/cgroup" [pid 297] <... openat resumed>) = 3 [pid 293] <... unlink resumed>) = 0 [pid 6185] <... symlink resumed>) = 0 [pid 297] newfstatat(3, "", [pid 293] umount2("./4683/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6185] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4683/cgroup.net", [pid 6185] <... symlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] getdents64(3, [pid 6185] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 293] unlink("./4683/cgroup.net" [pid 6185] <... symlink resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... unlink resumed>) = 0 [pid 6185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] umount2("./4858/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 6185] <... openat resumed>) = 3 [pid 293] close(3 [pid 6185] write(3, "1000", 4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... close resumed>) = 0 [pid 6185] <... write resumed>) = 4 [pid 297] newfstatat(AT_FDCWD, "./4858/cgroup.cpu", [pid 293] rmdir("./4683" [pid 6185] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 6185] <... close resumed>) = 0 [pid 297] unlink("./4858/cgroup.cpu" [pid 293] mkdir("./4684", 0777 [pid 6185] symlink("/dev/binderfs", "./binderfs" [pid 297] <... unlink resumed>) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6185] <... symlink resumed>) = 0 [pid 297] umount2("./4858/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6186 attached [pid 6185] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13814 [pid 6186] set_robust_list(0x5555568776a0, 24 [pid 6185] <... futex resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4858/binderfs", [pid 6186] <... set_robust_list resumed>) = 0 [pid 6185] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6186] chdir("./4684" [pid 6185] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] unlink("./4858/binderfs" [pid 6186] <... chdir resumed>) = 0 [pid 6185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... unlink resumed>) = 0 [pid 6186] <... prctl resumed>) = 0 [pid 6185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] umount2("./4858/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6186] setpgid(0, 0 [pid 6185] <... mmap resumed>) = 0x7fd4ce11b000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6186] <... setpgid resumed>) = 0 [pid 6185] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 297] newfstatat(AT_FDCWD, "./4858/cgroup", [pid 6186] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6186] <... symlink resumed>) = 0 [pid 297] unlink("./4858/cgroup" [pid 6186] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6185] <... mprotect resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 6186] <... symlink resumed>) = 0 [pid 297] umount2("./4858/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6185] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6186] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6185] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6186] <... symlink resumed>) = 0 [pid 6185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 297] newfstatat(AT_FDCWD, "./4858/cgroup.net", [pid 6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6187 attached [pid 6187] set_robust_list(0x7fd4ce13b9a0, 24 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6187] <... set_robust_list resumed>) = 0 [pid 6187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6186] <... openat resumed>) = 3 [pid 6185] <... clone3 resumed> => {parent_tid=[14153]}, 88) = 14153 [pid 297] unlink("./4858/cgroup.net" [pid 6187] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] write(3, "1000", 4 [pid 6185] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] <... write resumed>) = 4 [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... unlink resumed>) = 0 [pid 6186] close(3 [pid 6185] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] getdents64(3, [pid 6187] <... futex resumed>) = 0 [pid 6186] <... close resumed>) = 0 [pid 6185] <... futex resumed>) = 1 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6187] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6186] symlink("/dev/binderfs", "./binderfs" [pid 6185] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] close(3 [pid 6187] <... bpf resumed>) = 3 [pid 6187] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6186] <... symlink resumed>) = 0 [pid 6185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6187] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... close resumed>) = 0 [pid 6186] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6186] <... futex resumed>) = 0 [pid 6185] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] rmdir("./4858" [pid 6187] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6186] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6185] <... futex resumed>) = 0 [pid 6187] <... bpf resumed>) = 0 [pid 6186] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 6187] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6185] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] mkdir("./4859", 0777 [pid 6187] <... futex resumed>) = 0 [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6187] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... mkdir resumed>) = 0 [pid 6186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6186] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6185] <... mmap resumed>) = 0x7fd4ce0fa000 ./strace-static-x86_64: Process 6188 attached [pid 6188] set_robust_list(0x5555568776a0, 24) = 0 [pid 6181] <... bpf resumed>) = 5 [pid 6188] chdir("./4859" [pid 6186] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6185] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6182] <... bpf resumed>) = 5 [pid 6181] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14330 [pid 6188] <... chdir resumed>) = 0 [pid 6186] <... mprotect resumed>) = 0 [pid 6185] <... mprotect resumed>) = 0 [pid 6182] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6180] close(3 [pid 6188] <... prctl resumed>) = 0 [pid 6186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6185] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6182] <... futex resumed>) = 1 [pid 6181] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] <... close resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6188] setpgid(0, 0 [pid 6186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6185] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6182] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] close(4 [pid 6179] close(3./strace-static-x86_64: Process 6189 attached [pid 6188] <... setpgid resumed>) = 0 [pid 6185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6180] <... close resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6189] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6188] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6186] <... clone3 resumed> => {parent_tid=[13815]}, 88) = 13815 [pid 6180] close(5 [pid 6179] close(4./strace-static-x86_64: Process 6190 attached [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] <... symlink resumed>) = 0 [pid 6186] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] <... close resumed>) = 0 [pid 6190] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6189] rt_sigprocmask(SIG_SETMASK, [], [pid 6188] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] <... clone3 resumed> => {parent_tid=[14154]}, 88) = 14154 [pid 6179] close(5 [pid 6190] <... set_robust_list resumed>) = 0 [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] <... symlink resumed>) = 0 [pid 6186] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] rt_sigprocmask(SIG_SETMASK, [], [pid 6190] rt_sigprocmask(SIG_SETMASK, [], [pid 6189] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6188] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6186] <... futex resumed>) = 0 [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6189] <... bpf resumed>) = 3 [pid 6188] <... symlink resumed>) = 0 [pid 6186] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6189] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6185] <... futex resumed>) = 0 [pid 6190] <... bpf resumed>) = 4 [pid 6189] <... futex resumed>) = 0 [pid 6188] <... openat resumed>) = 3 [pid 6186] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6188] write(3, "1000", 4 [pid 6186] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] <... futex resumed>) = 0 [pid 6188] <... write resumed>) = 4 [pid 6190] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] <... bpf resumed>) = 0 [pid 6188] close(3 [pid 6186] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... close resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6188] symlink("/dev/binderfs", "./binderfs" [pid 6187] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6185] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6189] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] <... symlink resumed>) = 0 [pid 6186] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6188] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6186] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6188] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6186] <... mprotect resumed>) = 0 [pid 6188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6188] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6188] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6191 attached [pid 6188] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6191] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6188] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6186] <... clone3 resumed> => {parent_tid=[13816]}, 88) = 13816 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6186] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6192 attached [pid 6191] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6192] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] <... clone3 resumed> => {parent_tid=[14331]}, 88) = 14331 [pid 6186] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... set_robust_list resumed>) = 0 [pid 6191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6188] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] <... futex resumed>) = 0 [pid 6192] rt_sigprocmask(SIG_SETMASK, [], [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6188] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6191] <... bpf resumed>) = 4 [pid 6192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6191] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6191] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 0 [pid 6192] <... bpf resumed>) = 3 [pid 6192] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 1 [pid 6192] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6188] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... futex resumed>) = 0 [pid 6192] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6188] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6192] <... bpf resumed>) = 0 [pid 6188] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6192] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... mprotect resumed>) = 0 [pid 6192] <... futex resumed>) = 0 [pid 6188] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6192] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6193 attached => {parent_tid=[14332]}, 88) = 14332 [pid 6193] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 6193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6188] rt_sigprocmask(SIG_SETMASK, [], [pid 6193] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 0 [pid 6188] <... futex resumed>) = 1 [pid 6193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6188] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... bpf resumed>) = 4 [pid 6193] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6193] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = 0 [pid 6188] <... futex resumed>) = 1 [pid 6192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6188] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6180] <... close resumed>) = 0 [pid 6180] close(6 [pid 6179] <... close resumed>) = 0 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(7 [pid 6179] close(6 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(8) = -1 EBADF (Bad file descriptor) [pid 6179] close(7 [pid 6180] close(9 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(8 [pid 6180] close(10 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(9 [pid 6180] close(11 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(10 [pid 6180] close(12 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(11 [pid 6180] close(13 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(12 [pid 6180] close(14 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(13 [pid 6180] close(15 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(14 [pid 6180] close(16) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(17 [pid 6179] close(15 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(18 [pid 6179] close(16 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(19 [pid 6179] close(17 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(20 [pid 6179] close(18 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(21 [pid 6179] close(19 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(22 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(20 [pid 6180] close(23 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(24 [pid 6179] close(21 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(25 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(22 [pid 6180] close(26 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(23 [pid 6180] close(27 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(24 [pid 6180] close(28 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(25 [pid 6180] close(29 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(26 [pid 6180] exit_group(0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... futex resumed>) = ? [pid 6181] <... futex resumed>) = ? [pid 6180] <... exit_group resumed>) = ? [pid 6179] close(27 [pid 6183] +++ exited with 0 +++ [pid 6181] +++ exited with 0 +++ [pid 6180] +++ exited with 0 +++ [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(28 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13971, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(29) = -1 EBADF (Bad file descriptor) [pid 6179] exit_group(0 [pid 294] umount2("./4745", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6184] <... futex resumed>) = ? [pid 6182] <... futex resumed>) = ? [pid 6179] <... exit_group resumed>) = ? [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] +++ exited with 0 +++ [pid 6184] +++ exited with 0 +++ [pid 6179] +++ exited with 0 +++ [pid 294] openat(AT_FDCWD, "./4745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] newfstatat(3, "", [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 294] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4825", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4745/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] newfstatat(AT_FDCWD, "./4745/cgroup.cpu", [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] unlink("./4745/cgroup.cpu" [pid 296] getdents64(3, [pid 294] <... unlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4745/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4825/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4745/binderfs", [pid 296] newfstatat(AT_FDCWD, "./4825/cgroup.cpu", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4745/binderfs" [pid 296] unlink("./4825/cgroup.cpu" [pid 294] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] umount2("./4825/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4745/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4825/binderfs", [pid 294] newfstatat(AT_FDCWD, "./4745/cgroup", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4825/binderfs" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4745/cgroup" [pid 296] umount2("./4825/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4745/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4825/cgroup", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4745/cgroup.net", [pid 296] unlink("./4825/cgroup" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4745/cgroup.net" [pid 296] umount2("./4825/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./4825/cgroup.net", [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] close(3 [pid 296] unlink("./4825/cgroup.net" [pid 294] <... close resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] rmdir("./4745" [pid 296] getdents64(3, [pid 294] <... rmdir resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] mkdir("./4746", 0777 [pid 296] close(3) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 296] rmdir("./4825" [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6194 attached [pid 296] mkdir("./4826", 0777 [pid 6194] set_robust_list(0x5555568776a0, 24) = 0 [pid 6194] chdir("./4746") = 0 [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... mkdir resumed>) = 0 [pid 6194] <... prctl resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13974 [pid 6194] setpgid(0, 0) = 0 [pid 6194] symlink("/syzcgroup/unified/syz2", "./cgroup"./strace-static-x86_64: Process 6195 attached ) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14255 [pid 6195] set_robust_list(0x5555568776a0, 24 [pid 6194] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6195] <... set_robust_list resumed>) = 0 [pid 6194] <... symlink resumed>) = 0 [pid 6194] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6195] chdir("./4826" [pid 6194] <... symlink resumed>) = 0 [pid 6195] <... chdir resumed>) = 0 [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6194] <... openat resumed>) = 3 [pid 6195] <... prctl resumed>) = 0 [pid 6194] write(3, "1000", 4 [pid 6195] setpgid(0, 0 [pid 6194] <... write resumed>) = 4 [pid 6195] <... setpgid resumed>) = 0 [pid 6194] close(3) = 0 [pid 6194] symlink("/dev/binderfs", "./binderfs" [pid 6195] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6194] <... symlink resumed>) = 0 [pid 6195] <... symlink resumed>) = 0 [pid 6194] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6194] <... futex resumed>) = 0 [pid 6194] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6195] <... symlink resumed>) = 0 [pid 6194] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6195] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6195] <... symlink resumed>) = 0 [pid 6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6194] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6194] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6195] <... openat resumed>) = 3 [pid 6194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6195] write(3, "1000", 4 [pid 6194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6195] <... write resumed>) = 4 [pid 6194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6196 attached [pid 6195] close(3 [pid 6196] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6194] <... clone3 resumed> => {parent_tid=[13975]}, 88) = 13975 [pid 6196] <... set_robust_list resumed>) = 0 [pid 6195] <... close resumed>) = 0 [pid 6194] rt_sigprocmask(SIG_SETMASK, [], [pid 6196] rt_sigprocmask(SIG_SETMASK, [], [pid 6195] symlink("/dev/binderfs", "./binderfs" [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6194] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6195] <... symlink resumed>) = 0 [pid 6194] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6195] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... bpf resumed>) = 3 [pid 6195] <... futex resumed>) = 0 [pid 6196] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6196] <... futex resumed>) = 1 [pid 6195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6196] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6194] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6196] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6194] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6196] <... bpf resumed>) = 0 [pid 6195] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6196] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6192] <... bpf resumed>) = 5 [pid 6189] <... bpf resumed>) = 5 [pid 6187] <... bpf resumed>) = 5 [pid 6196] <... futex resumed>) = 0 [pid 6195] <... mprotect resumed>) = 0 [pid 6194] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6192] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6194] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6192] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6194] <... mprotect resumed>) = 0 [pid 6192] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] close(3 [pid 6187] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] close(3 [pid 6185] close(3 [pid 6195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6188] <... close resumed>) = 0 [pid 6186] <... close resumed>) = 0 [pid 6194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6188] close(4 [pid 6185] <... close resumed>) = 0 ./strace-static-x86_64: Process 6197 attached [pid 6194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6188] <... close resumed>) = 0 [pid 6186] close(4 [pid 6185] close(4./strace-static-x86_64: Process 6198 attached [pid 6197] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6195] <... clone3 resumed> => {parent_tid=[14256]}, 88) = 14256 [pid 6188] close(5 [pid 6186] <... close resumed>) = 0 [pid 6185] <... close resumed>) = 0 [pid 6198] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6197] <... set_robust_list resumed>) = 0 [pid 6195] rt_sigprocmask(SIG_SETMASK, [], [pid 6194] <... clone3 resumed> => {parent_tid=[13976]}, 88) = 13976 [pid 6188] <... close resumed>) = 0 [pid 6186] close(5 [pid 6185] close(5 [pid 6198] <... set_robust_list resumed>) = 0 [pid 6197] rt_sigprocmask(SIG_SETMASK, [], [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6194] rt_sigprocmask(SIG_SETMASK, [], [pid 6188] close(6 [pid 6186] <... close resumed>) = 0 [pid 6198] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] close(6 [pid 6185] <... close resumed>) = 0 [pid 6198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6195] <... futex resumed>) = 0 [pid 6194] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] close(7 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(6 [pid 6198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6197] <... bpf resumed>) = 3 [pid 6195] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] <... futex resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] close(7 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] close(8 [pid 6198] <... bpf resumed>) = 4 [pid 6197] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(7 [pid 6198] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] close(9 [pid 6186] close(8 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(8 [pid 6198] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6195] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] close(10 [pid 6186] close(9 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] <... bpf resumed>) = 0 [pid 6196] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = 1 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(9 [pid 6197] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6194] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6188] close(11 [pid 6186] close(10 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] <... futex resumed>) = 0 [pid 6195] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(10 [pid 6197] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6188] close(12 [pid 6186] close(11 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... mprotect resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(11 [pid 6195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6188] close(13 [pid 6186] close(12 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(12 [pid 6195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6188] close(14 [pid 6186] close(13 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(15) = -1 EBADF (Bad file descriptor) [pid 6188] close(16./strace-static-x86_64: Process 6199 attached ) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(13 [pid 6199] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6188] close(17 [pid 6186] close(14 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... clone3 resumed> => {parent_tid=[14257]}, 88) = 14257 [pid 6199] <... set_robust_list resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(14 [pid 6195] rt_sigprocmask(SIG_SETMASK, [], [pid 6199] rt_sigprocmask(SIG_SETMASK, [], [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] close(18 [pid 6186] close(15 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(15 [pid 6199] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6195] <... futex resumed>) = 0 [pid 6188] close(19 [pid 6186] close(16 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... bpf resumed>) = 4 [pid 6195] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(16 [pid 6199] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] close(20 [pid 6186] close(17 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... futex resumed>) = 0 [pid 6195] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(17 [pid 6199] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = 1 [pid 6188] close(21 [pid 6186] close(18 [pid 6197] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6195] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(22 [pid 6186] close(19 [pid 6185] close(18 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(23 [pid 6186] close(20 [pid 6185] close(19 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(24 [pid 6186] close(21 [pid 6185] close(20 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(25 [pid 6186] close(22 [pid 6185] close(21 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(26 [pid 6186] close(23 [pid 6185] close(22 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(27 [pid 6186] close(24 [pid 6185] close(23 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(28 [pid 6186] close(25 [pid 6185] close(24 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(29 [pid 6186] close(26 [pid 6185] close(25 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] exit_group(0 [pid 6186] close(27 [pid 6185] close(26 [pid 6193] <... futex resumed>) = ? [pid 6192] <... futex resumed>) = ? [pid 6188] <... exit_group resumed>) = ? [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] +++ exited with 0 +++ [pid 6192] +++ exited with 0 +++ [pid 6188] +++ exited with 0 +++ [pid 6186] close(28 [pid 6185] close(27 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] close(29 [pid 6185] close(28 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6186] exit_group(0 [pid 6185] close(29 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6189] <... futex resumed>) = ? [pid 6186] <... exit_group resumed>) = ? [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... futex resumed>) = ? [pid 6189] +++ exited with 0 +++ [pid 6185] exit_group(0 [pid 6191] +++ exited with 0 +++ [pid 6186] +++ exited with 0 +++ [pid 6187] <... futex resumed>) = ? [pid 6190] <... futex resumed>) = ? [pid 6185] <... exit_group resumed>) = ? [pid 6190] +++ exited with 0 +++ [pid 6187] +++ exited with 0 +++ [pid 6185] +++ exited with 0 +++ [pid 297] <... restart_syscall resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 297] umount2("./4859", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... restart_syscall resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4859", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] umount2("./4684", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] newfstatat(3, "", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 293] openat(AT_FDCWD, "./4684", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] getdents64(3, [pid 293] <... openat resumed>) = 3 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4798", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4859/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(3, "", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./4798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] newfstatat(AT_FDCWD, "./4859/cgroup.cpu", [pid 295] <... openat resumed>) = 3 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(3, "", [pid 297] unlink("./4859/cgroup.cpu" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, [pid 297] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 297] umount2("./4859/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4798/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./4859/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4684/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4798/cgroup.cpu", [pid 6197] <... bpf resumed>) = 5 [pid 6196] <... bpf resumed>) = 5 [pid 297] unlink("./4859/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4798/cgroup.cpu" [pid 6197] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 1 [pid 6195] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4684/cgroup.cpu", [pid 6197] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6196] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] close(3 [pid 6194] close(3 [pid 297] umount2("./4859/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4798/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6195] <... close resumed>) = 0 [pid 6194] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4684/cgroup.cpu" [pid 6195] close(4 [pid 6194] close(4 [pid 297] newfstatat(AT_FDCWD, "./4859/cgroup", [pid 295] newfstatat(AT_FDCWD, "./4798/binderfs", [pid 6194] <... close resumed>) = 0 [pid 6195] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6195] close(5 [pid 6194] close(5 [pid 297] unlink("./4859/cgroup" [pid 295] unlink("./4798/binderfs" [pid 293] umount2("./4684/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6195] <... close resumed>) = 0 [pid 6194] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6195] close(6 [pid 6194] close(6 [pid 297] umount2("./4859/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4798/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4684/binderfs", [pid 6195] close(7 [pid 6194] close(7 [pid 297] newfstatat(AT_FDCWD, "./4859/cgroup.net", [pid 295] newfstatat(AT_FDCWD, "./4798/cgroup", [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6195] close(8 [pid 6194] close(8 [pid 297] unlink("./4859/cgroup.net" [pid 295] unlink("./4798/cgroup" [pid 293] unlink("./4684/binderfs" [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6194] close(9 [pid 295] umount2("./4798/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 6195] close(9 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4684/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(10 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./4798/cgroup.net", [pid 6195] close(10 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(11 [pid 297] <... close resumed>) = 0 [pid 295] unlink("./4798/cgroup.net" [pid 293] newfstatat(AT_FDCWD, "./4684/cgroup", [pid 6195] close(11 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4859" [pid 295] <... unlink resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(12 [pid 295] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6194] close(13 [pid 297] <... rmdir resumed>) = 0 [pid 295] close(3 [pid 6195] close(12 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] mkdir("./4860", 0777 [pid 295] <... close resumed>) = 0 [pid 293] unlink("./4684/cgroup" [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(14 [pid 295] rmdir("./4798" [pid 6195] close(13 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... mkdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(15 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] mkdir("./4799", 0777 [pid 293] umount2("./4684/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6200 attached [pid 6195] close(14 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... mkdir resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6200] set_robust_list(0x5555568776a0, 24 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(16 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14333 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] newfstatat(AT_FDCWD, "./4684/cgroup.net", ./strace-static-x86_64: Process 6201 attached [pid 6200] <... set_robust_list resumed>) = 0 [pid 6195] close(15 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6200] chdir("./4860" [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(17 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14155 [pid 6201] set_robust_list(0x5555568776a0, 24 [pid 6200] <... chdir resumed>) = 0 [pid 6195] close(16 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] unlink("./4684/cgroup.net" [pid 6201] <... set_robust_list resumed>) = 0 [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(18) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 6201] chdir("./4799" [pid 6200] <... prctl resumed>) = 0 [pid 6195] close(17 [pid 6194] close(19 [pid 293] getdents64(3, [pid 6201] <... chdir resumed>) = 0 [pid 6200] setpgid(0, 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6200] <... setpgid resumed>) = 0 [pid 6195] close(18 [pid 6194] close(20 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6201] <... prctl resumed>) = 0 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(21 [pid 6200] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] setpgid(0, 0 [pid 6194] close(22 [pid 293] close(3 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(23) = -1 EBADF (Bad file descriptor) [pid 6201] <... setpgid resumed>) = 0 [pid 6200] <... symlink resumed>) = 0 [pid 6195] close(19 [pid 6194] close(24) = -1 EBADF (Bad file descriptor) [pid 293] <... close resumed>) = 0 [pid 6201] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(25 [pid 293] rmdir("./4684" [pid 6200] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... symlink resumed>) = 0 [pid 6194] close(26) = -1 EBADF (Bad file descriptor) [pid 6194] close(27 [pid 6201] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6200] <... symlink resumed>) = 0 [pid 6195] close(20 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... rmdir resumed>) = 0 [pid 6194] close(28) = -1 EBADF (Bad file descriptor) [pid 6201] <... symlink resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(29 [pid 293] mkdir("./4685", 0777 [pid 6201] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6200] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6195] close(21 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] exit_group(0 [pid 293] <... mkdir resumed>) = 0 [pid 6198] <... futex resumed>) = ? [pid 6196] <... futex resumed>) = ? [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... exit_group resumed>) = ? [pid 6201] <... symlink resumed>) = 0 [pid 6200] <... symlink resumed>) = 0 [pid 6198] +++ exited with 0 +++ [pid 6196] +++ exited with 0 +++ [pid 6195] close(22 [pid 6194] +++ exited with 0 +++ [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6202 attached [pid 6195] close(23 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6202] set_robust_list(0x5555568776a0, 24) = 0 [pid 6201] <... openat resumed>) = 3 [pid 6202] chdir("./4685" [pid 6200] <... openat resumed>) = 3 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] write(3, "1000", 4 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13817 [pid 6202] <... chdir resumed>) = 0 [pid 6201] <... write resumed>) = 4 [pid 6200] write(3, "1000", 4 [pid 6195] close(24 [pid 294] <... restart_syscall resumed>) = 0 [pid 6202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6201] close(3 [pid 6200] <... write resumed>) = 4 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... prctl resumed>) = 0 [pid 6201] <... close resumed>) = 0 [pid 6200] close(3 [pid 6195] close(25 [pid 6202] setpgid(0, 0 [pid 6201] symlink("/dev/binderfs", "./binderfs" [pid 6200] <... close resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... setpgid resumed>) = 0 [pid 6202] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6201] <... symlink resumed>) = 0 [pid 6200] symlink("/dev/binderfs", "./binderfs" [pid 6195] close(26 [pid 294] umount2("./4746", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6202] <... symlink resumed>) = 0 [pid 6201] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6200] <... symlink resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... symlink resumed>) = 0 [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6202] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6201] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6200] <... futex resumed>) = 0 [pid 6195] close(27 [pid 294] openat(AT_FDCWD, "./4746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6202] <... symlink resumed>) = 0 [pid 6201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6200] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6200] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6195] close(28 [pid 294] <... openat resumed>) = 3 [pid 6202] <... openat resumed>) = 3 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(3, "", [pid 6202] write(3, "1000", 4 [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] close(29 [pid 6202] <... write resumed>) = 4 [pid 6201] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6202] close(3 [pid 6201] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6200] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6195] exit_group(0 [pid 6202] <... close resumed>) = 0 [pid 6201] <... mprotect resumed>) = 0 [pid 6200] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6199] <... futex resumed>) = ? [pid 6197] <... futex resumed>) = ? [pid 6195] <... exit_group resumed>) = ? [pid 294] getdents64(3, [pid 6202] symlink("/dev/binderfs", "./binderfs" [pid 6201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6200] <... mprotect resumed>) = 0 [pid 6199] +++ exited with 0 +++ [pid 6197] +++ exited with 0 +++ [pid 6202] <... symlink resumed>) = 0 [pid 6202] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6202] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6195] +++ exited with 0 +++ [pid 6202] <... rt_sigaction resumed>NULL, 8) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6200] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6200] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] umount2("./4746/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6203 attached [pid 6202] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6202] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6204 attached [pid 6203] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6202] <... mprotect resumed>) = 0 [pid 6201] <... clone3 resumed> => {parent_tid=[14156]}, 88) = 14156 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 294] newfstatat(AT_FDCWD, "./4746/cgroup.cpu", [pid 6204] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6203] <... set_robust_list resumed>) = 0 [pid 6202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6201] rt_sigprocmask(SIG_SETMASK, [], [pid 6200] <... clone3 resumed> => {parent_tid=[14334]}, 88) = 14334 [pid 6204] <... set_robust_list resumed>) = 0 [pid 6203] rt_sigprocmask(SIG_SETMASK, [], [pid 6202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6200] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... restart_syscall resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6204] rt_sigprocmask(SIG_SETMASK, [], [pid 6203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6201] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] unlink("./4746/cgroup.cpu"./strace-static-x86_64: Process 6205 attached [pid 6204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6203] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6204] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6203] <... bpf resumed>) = 3 [pid 6202] <... clone3 resumed> => {parent_tid=[13818]}, 88) = 13818 [pid 6201] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] <... futex resumed>) = 0 [pid 296] umount2("./4826", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 6205] <... set_robust_list resumed>) = 0 [pid 6204] <... bpf resumed>) = 3 [pid 6203] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4746/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6205] rt_sigprocmask(SIG_SETMASK, [], [pid 6204] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = 0 [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] openat(AT_FDCWD, "./4826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6204] <... futex resumed>) = 0 [pid 6203] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6202] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... openat resumed>) = 3 [pid 294] newfstatat(AT_FDCWD, "./4746/binderfs", [pid 6205] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6204] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6203] <... bpf resumed>) = 0 [pid 6202] <... futex resumed>) = 0 [pid 6201] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... futex resumed>) = 0 [pid 296] newfstatat(3, "", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6205] <... bpf resumed>) = 3 [pid 6204] <... bpf resumed>) = 0 [pid 6203] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] unlink("./4746/binderfs" [pid 6205] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = 0 [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6200] <... futex resumed>) = 0 [pid 296] getdents64(3, [pid 6205] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 6203] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... unlink resumed>) = 0 [pid 6205] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6204] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] <... futex resumed>) = 0 [pid 6201] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6200] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4746/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6205] <... bpf resumed>) = 0 [pid 6202] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... mprotect resumed>) = 0 [pid 6205] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 0 [pid 6200] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] umount2("./4826/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6205] <... futex resumed>) = 0 [pid 6202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6200] <... mprotect resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4746/cgroup", [pid 6205] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6200] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] newfstatat(AT_FDCWD, "./4826/cgroup.cpu", [pid 6202] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6200] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6202] <... mprotect resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6206 attached [pid 6202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] unlink("./4826/cgroup.cpu" [pid 294] unlink("./4746/cgroup" [pid 6206] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6201] <... clone3 resumed> => {parent_tid=[14157]}, 88) = 14157 ./strace-static-x86_64: Process 6207 attached [pid 6206] <... set_robust_list resumed>) = 0 [pid 6202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6208 attached [pid 6207] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6206] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] rt_sigprocmask(SIG_SETMASK, [], [pid 6200] <... clone3 resumed> => {parent_tid=[14335]}, 88) = 14335 [pid 296] umount2("./4826/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 6208] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6207] <... set_robust_list resumed>) = 0 [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] <... clone3 resumed> => {parent_tid=[13819]}, 88) = 13819 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6200] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4746/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] <... set_robust_list resumed>) = 0 [pid 6207] rt_sigprocmask(SIG_SETMASK, [], [pid 6206] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] newfstatat(AT_FDCWD, "./4826/binderfs", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] rt_sigprocmask(SIG_SETMASK, [], [pid 6207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4746/cgroup.net", [pid 6208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6201] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] <... futex resumed>) = 0 [pid 296] unlink("./4826/binderfs" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6208] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] <... bpf resumed>) = 4 [pid 6206] <... bpf resumed>) = 4 [pid 6202] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4746/cgroup.net" [pid 6208] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6207] <... futex resumed>) = 0 [pid 6206] <... futex resumed>) = 1 [pid 6202] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... futex resumed>) = 0 [pid 6200] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4826/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6207] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... unlink resumed>) = 0 [pid 6208] <... bpf resumed>) = 4 [pid 6201] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = 1 [pid 6208] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6203] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = 1 [pid 6200] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] getdents64(3, [pid 6208] <... futex resumed>) = 1 [pid 6204] <... bpf resumed>) = 5 [pid 6203] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6202] <... futex resumed>) = 0 [pid 6201] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] newfstatat(AT_FDCWD, "./4826/cgroup", [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6208] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... bpf resumed>) = 5 [pid 6202] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] close(3 [pid 6205] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = 1 [pid 6203] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 296] unlink("./4826/cgroup" [pid 6205] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6204] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] <... futex resumed>) = 1 [pid 6202] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6201] <... futex resumed>) = 0 [pid 6200] close(3 [pid 294] <... close resumed>) = 0 [pid 6205] <... bpf resumed>) = 5 [pid 6203] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] close(3 [pid 6200] <... close resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] rmdir("./4746" [pid 6205] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... close resumed>) = 0 [pid 6200] close(4 [pid 296] umount2("./4826/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... rmdir resumed>) = 0 [pid 6205] <... futex resumed>) = 1 [pid 6202] <... futex resumed>) = 0 [pid 6201] close(4 [pid 6200] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6205] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] close(3 [pid 6201] <... close resumed>) = 0 [pid 6200] close(5 [pid 296] newfstatat(AT_FDCWD, "./4826/cgroup.net", [pid 294] mkdir("./4747", 0777 [pid 6202] <... close resumed>) = 0 [pid 6201] close(5 [pid 6200] <... close resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6202] close(4) = 0 [pid 6202] close(5 [pid 294] <... mkdir resumed>) = 0 [pid 6200] close(6 [pid 296] unlink("./4826/cgroup.net" [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(7 [pid 296] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6209 attached [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] getdents64(3, [pid 6209] set_robust_list(0x5555568776a0, 24 [pid 6200] close(8 [pid 6209] <... set_robust_list resumed>) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13977 [pid 6209] chdir("./4747") = 0 [pid 6200] close(9 [pid 296] close(3 [pid 6209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... prctl resumed>) = 0 [pid 6200] close(10 [pid 296] <... close resumed>) = 0 [pid 6209] setpgid(0, 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] rmdir("./4826" [pid 6209] <... setpgid resumed>) = 0 [pid 6200] close(11 [pid 6209] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... rmdir resumed>) = 0 [pid 6209] <... symlink resumed>) = 0 [pid 6200] close(12 [pid 296] mkdir("./4827", 0777 [pid 6209] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... symlink resumed>) = 0 [pid 6200] close(13 [pid 296] <... mkdir resumed>) = 0 [pid 6209] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6209] <... symlink resumed>) = 0 [pid 6200] close(14 [pid 6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6209] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6210 attached [pid 6209] close(3 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14258 [pid 6210] set_robust_list(0x5555568776a0, 24 [pid 6209] <... close resumed>) = 0 [pid 6200] close(15 [pid 6210] <... set_robust_list resumed>) = 0 [pid 6209] symlink("/dev/binderfs", "./binderfs" [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] chdir("./4827" [pid 6209] <... symlink resumed>) = 0 [pid 6200] close(16 [pid 6210] <... chdir resumed>) = 0 [pid 6209] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6209] <... futex resumed>) = 0 [pid 6200] close(17 [pid 6210] <... prctl resumed>) = 0 [pid 6209] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] setpgid(0, 0 [pid 6209] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6200] close(18 [pid 6210] <... setpgid resumed>) = 0 [pid 6209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6210] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6209] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6200] close(19 [pid 6210] <... symlink resumed>) = 0 [pid 6209] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6209] <... mprotect resumed>) = 0 [pid 6200] close(20 [pid 6210] <... symlink resumed>) = 0 [pid 6209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6200] close(21 [pid 6209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6211 attached [pid 6210] <... symlink resumed>) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6209] <... clone3 resumed> => {parent_tid=[13978]}, 88) = 13978 [pid 6200] close(22 [pid 6211] <... set_robust_list resumed>) = 0 [pid 6209] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] <... openat resumed>) = 3 [pid 6209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6211] rt_sigprocmask(SIG_SETMASK, [], [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6210] write(3, "1000", 4 [pid 6209] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] close(23 [pid 6211] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6210] <... write resumed>) = 4 [pid 6209] <... futex resumed>) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... bpf resumed>) = 3 [pid 6210] close(3 [pid 6209] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] close(24 [pid 6211] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... close resumed>) = 0 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... futex resumed>) = 0 [pid 6210] symlink("/dev/binderfs", "./binderfs" [pid 6209] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] close(25 [pid 6211] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6209] <... futex resumed>) = 0 [pid 6210] <... symlink resumed>) = 0 [pid 6209] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... futex resumed>) = 0 [pid 6211] <... bpf resumed>) = 0 [pid 6209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6200] close(26 [pid 6211] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6209] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6200] close(27 [pid 6211] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6209] <... mprotect resumed>) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6200] close(28 [pid 6210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6200] close(29./strace-static-x86_64: Process 6212 attached [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6210] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6212] <... set_robust_list resumed>) = 0 [pid 6200] exit_group(0 [pid 6210] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6212] rt_sigprocmask(SIG_SETMASK, [], [pid 6209] <... clone3 resumed> => {parent_tid=[13979]}, 88) = 13979 [pid 6207] <... futex resumed>) = ? [pid 6204] <... futex resumed>) = ? [pid 6200] <... exit_group resumed>) = ? [pid 6210] <... mprotect resumed>) = 0 [pid 6212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] rt_sigprocmask(SIG_SETMASK, [], [pid 6207] +++ exited with 0 +++ [pid 6204] +++ exited with 0 +++ [pid 6209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6209] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] +++ exited with 0 +++ [pid 6212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6210] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6212] <... bpf resumed>) = 4 [pid 6210] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6212] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6212] <... futex resumed>) = 1 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6209] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6213 attached [pid 6212] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 6213] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6210] <... clone3 resumed> => {parent_tid=[14259]}, 88) = 14259 [pid 6213] <... set_robust_list resumed>) = 0 [pid 6211] <... futex resumed>) = 0 [pid 6210] rt_sigprocmask(SIG_SETMASK, [], [pid 6209] <... futex resumed>) = 1 [pid 6213] rt_sigprocmask(SIG_SETMASK, [], [pid 6211] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6213] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6210] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4860", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6213] <... bpf resumed>) = 3 [pid 6210] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6213] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] openat(AT_FDCWD, "./4860", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6213] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... openat resumed>) = 3 [pid 6210] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 297] newfstatat(3, "", [pid 6213] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6210] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6213] <... bpf resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6213] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] getdents64(3, [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6213] <... futex resumed>) = 0 [pid 6213] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6210] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 297] umount2("./4860/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6210] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] <... mprotect resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4860/cgroup.cpu", [pid 6210] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6210] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] unlink("./4860/cgroup.cpu" [pid 6210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6214 attached [pid 6214] set_robust_list(0x7fd4ce11a9a0, 24 [pid 297] umount2("./4860/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6210] <... clone3 resumed> => {parent_tid=[14260]}, 88) = 14260 [pid 6214] <... set_robust_list resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6214] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] rt_sigprocmask(SIG_SETMASK, [], [pid 297] newfstatat(AT_FDCWD, "./4860/binderfs", [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6214] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6210] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4860/binderfs" [pid 6214] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = 1 [pid 6214] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 6210] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... unlink resumed>) = 0 [pid 6214] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] umount2("./4860/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6214] <... futex resumed>) = 0 [pid 6210] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6214] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6213] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = 1 [pid 297] newfstatat(AT_FDCWD, "./4860/cgroup", [pid 6213] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6210] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4860/cgroup") = 0 [pid 297] umount2("./4860/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4860/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4860/cgroup.net") = 0 [pid 297] getdents64(3, [pid 6202] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6202] close(6 [pid 6201] <... close resumed>) = 0 [pid 297] close(3 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(6 [pid 6202] close(7 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(7 [pid 297] rmdir("./4860" [pid 6202] close(8 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(9) = -1 EBADF (Bad file descriptor) [pid 6202] close(10) = -1 EBADF (Bad file descriptor) [pid 6202] close(11) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 6202] close(12 [pid 6201] close(8 [pid 297] mkdir("./4861", 0777 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(13) = -1 EBADF (Bad file descriptor) [pid 6202] close(14) = -1 EBADF (Bad file descriptor) [pid 6202] close(15) = -1 EBADF (Bad file descriptor) [pid 6202] close(16) = -1 EBADF (Bad file descriptor) [pid 6201] close(9 [pid 297] <... mkdir resumed>) = 0 [pid 6202] close(17 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(10 [pid 6202] close(18) = -1 EBADF (Bad file descriptor) [pid 6202] close(19) = -1 EBADF (Bad file descriptor) [pid 6202] close(20) = -1 EBADF (Bad file descriptor) [pid 6202] close(21) = -1 EBADF (Bad file descriptor) [pid 6202] close(22) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6215 attached [pid 6202] close(23 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14336 [pid 6215] set_robust_list(0x5555568776a0, 24 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(11 [pid 6215] <... set_robust_list resumed>) = 0 [pid 6202] close(24 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(25 [pid 6215] chdir("./4861" [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(12 [pid 6215] <... chdir resumed>) = 0 [pid 6202] close(26 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(13 [pid 6215] <... prctl resumed>) = 0 [pid 6202] close(27 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] setpgid(0, 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(14 [pid 6215] <... setpgid resumed>) = 0 [pid 6202] close(28 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(15 [pid 6202] close(29) = -1 EBADF (Bad file descriptor) [pid 6215] <... symlink resumed>) = 0 [pid 6202] exit_group(0 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6208] <... futex resumed>) = ? [pid 6205] <... futex resumed>) = ? [pid 6202] <... exit_group resumed>) = ? [pid 6201] close(16 [pid 6215] <... symlink resumed>) = 0 [pid 6208] +++ exited with 0 +++ [pid 6205] +++ exited with 0 +++ [pid 6202] +++ exited with 0 +++ [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6201] close(17 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6215] <... symlink resumed>) = 0 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6201] close(18) = -1 EBADF (Bad file descriptor) [pid 6215] <... openat resumed>) = 3 [pid 6201] close(19 [pid 293] umount2("./4685", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6215] write(3, "1000", 4 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] <... write resumed>) = 4 [pid 6201] close(20 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] close(3 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] openat(AT_FDCWD, "./4685", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6215] <... close resumed>) = 0 [pid 6201] close(21 [pid 6215] symlink("/dev/binderfs", "./binderfs" [pid 293] <... openat resumed>) = 3 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] <... symlink resumed>) = 0 [pid 6201] close(22 [pid 293] newfstatat(3, "", [pid 6215] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] <... futex resumed>) = 0 [pid 6201] close(23 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6215] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6201] close(24 [pid 293] getdents64(3, [pid 6215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6201] close(25 [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4685/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6201] close(26 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4685/cgroup.cpu", [pid 6215] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6201] close(27 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] <... mprotect resumed>) = 0 [pid 6201] close(28 [pid 293] unlink("./4685/cgroup.cpu" [pid 6215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 6215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6201] close(29 [pid 293] umount2("./4685/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6216 attached [pid 6201] exit_group(0 [pid 293] newfstatat(AT_FDCWD, "./4685/binderfs", [pid 6216] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6215] <... clone3 resumed> => {parent_tid=[14337]}, 88) = 14337 [pid 6203] <... futex resumed>) = ? [pid 6201] <... exit_group resumed>) = ? [pid 6216] <... set_robust_list resumed>) = 0 [pid 6215] rt_sigprocmask(SIG_SETMASK, [], [pid 6206] <... futex resumed>) = ? [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6203] +++ exited with 0 +++ [pid 6216] rt_sigprocmask(SIG_SETMASK, [], [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] +++ exited with 0 +++ [pid 6201] +++ exited with 0 +++ [pid 293] unlink("./4685/binderfs" [pid 6215] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... unlink resumed>) = 0 [pid 6216] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 1 [pid 6216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 293] umount2("./4685/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] <... bpf resumed>) = 3 [pid 6215] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] <... futex resumed>) = 0 [pid 6215] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... restart_syscall resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4685/cgroup", [pid 6216] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6215] <... futex resumed>) = 0 [pid 6216] <... bpf resumed>) = 0 [pid 6215] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6216] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 0 [pid 295] umount2("./4799", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4685/cgroup" [pid 6216] <... futex resumed>) = 0 [pid 6215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] openat(AT_FDCWD, "./4799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... unlink resumed>) = 0 [pid 6215] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] <... openat resumed>) = 3 [pid 293] umount2("./4685/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6215] <... mprotect resumed>) = 0 [pid 295] newfstatat(3, "", [pid 6215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] getdents64(3, [pid 293] newfstatat(AT_FDCWD, "./4685/cgroup.net", [pid 6215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6217 attached [pid 295] umount2("./4799/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6215] <... clone3 resumed> => {parent_tid=[14338]}, 88) = 14338 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4685/cgroup.net" [pid 6217] <... set_robust_list resumed>) = 0 [pid 6215] rt_sigprocmask(SIG_SETMASK, [], [pid 295] newfstatat(AT_FDCWD, "./4799/cgroup.cpu", [pid 6217] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] unlink("./4799/cgroup.cpu" [pid 293] getdents64(3, [pid 6217] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... unlink resumed>) = 0 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = 0 [pid 295] umount2("./4799/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6215] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6217] <... bpf resumed>) = 4 [pid 295] newfstatat(AT_FDCWD, "./4799/binderfs", [pid 293] close(3 [pid 6217] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 295] unlink("./4799/binderfs" [pid 293] <... close resumed>) = 0 [pid 6217] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... unlink resumed>) = 0 [pid 293] rmdir("./4685" [pid 6216] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 1 [pid 295] umount2("./4799/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4799/cgroup", [pid 293] <... rmdir resumed>) = 0 [pid 6215] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] mkdir("./4686", 0777 [pid 295] unlink("./4799/cgroup") = 0 [pid 295] umount2("./4799/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] <... mkdir resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4799/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] unlink("./4799/cgroup.net") = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 ./strace-static-x86_64: Process 6218 attached [pid 295] rmdir("./4799" [pid 6218] set_robust_list(0x5555568776a0, 24 [pid 295] <... rmdir resumed>) = 0 [pid 6218] <... set_robust_list resumed>) = 0 [pid 295] mkdir("./4800", 0777 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13820 [pid 6218] chdir("./4686" [pid 295] <... mkdir resumed>) = 0 [pid 6218] <... chdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6219 attached ) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14158 [pid 6219] set_robust_list(0x5555568776a0, 24 [pid 6218] setpgid(0, 0 [pid 6219] <... set_robust_list resumed>) = 0 [pid 6218] <... setpgid resumed>) = 0 [pid 6219] chdir("./4800" [pid 6218] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6219] <... chdir resumed>) = 0 [pid 6218] <... symlink resumed>) = 0 [pid 6219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6218] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6219] <... prctl resumed>) = 0 [pid 6218] <... symlink resumed>) = 0 [pid 6218] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6219] setpgid(0, 0 [pid 6211] <... bpf resumed>) = 5 [pid 6219] <... setpgid resumed>) = 0 [pid 6218] <... symlink resumed>) = 0 [pid 6216] <... bpf resumed>) = 5 [pid 6213] <... bpf resumed>) = 5 [pid 6211] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6216] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... symlink resumed>) = 0 [pid 6218] <... openat resumed>) = 3 [pid 6216] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6219] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6218] write(3, "1000", 4 [pid 6216] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] close(3 [pid 6213] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] close(3 [pid 6209] close(3 [pid 6219] <... symlink resumed>) = 0 [pid 6218] <... write resumed>) = 4 [pid 6215] <... close resumed>) = 0 [pid 6210] <... close resumed>) = 0 [pid 6209] <... close resumed>) = 0 [pid 6219] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6218] close(3 [pid 6215] close(4 [pid 6210] close(4 [pid 6209] close(4 [pid 6218] <... close resumed>) = 0 [pid 6209] <... close resumed>) = 0 [pid 6219] <... symlink resumed>) = 0 [pid 6218] symlink("/dev/binderfs", "./binderfs" [pid 6215] <... close resumed>) = 0 [pid 6210] <... close resumed>) = 0 [pid 6209] close(5 [pid 6219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6218] <... symlink resumed>) = 0 [pid 6215] close(5 [pid 6210] close(5 [pid 6209] <... close resumed>) = 0 [pid 6219] <... openat resumed>) = 3 [pid 6218] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] close(6 [pid 6219] write(3, "1000", 4 [pid 6218] <... futex resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... write resumed>) = 4 [pid 6218] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6209] close(7 [pid 6219] close(3 [pid 6218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = 0 [pid 6218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6209] close(8 [pid 6219] symlink("/dev/binderfs", "./binderfs" [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6209] close(9 [pid 6219] <... symlink resumed>) = 0 [pid 6218] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6219] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] close(10 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... mprotect resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6209] close(11 [pid 6219] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6209] close(12./strace-static-x86_64: Process 6220 attached [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6218] <... clone3 resumed> => {parent_tid=[13821]}, 88) = 13821 [pid 6209] close(13 [pid 6220] <... set_robust_list resumed>) = 0 [pid 6219] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] rt_sigprocmask(SIG_SETMASK, [], [pid 6219] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] close(14 [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] <... mprotect resumed>) = 0 [pid 6218] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6218] <... futex resumed>) = 0 [pid 6209] close(15 [pid 6220] <... bpf resumed>) = 3 [pid 6219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6218] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] close(16 [pid 6220] <... futex resumed>) = 0 [pid 6219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6218] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6218] <... futex resumed>) = 0 [pid 6209] close(17./strace-static-x86_64: Process 6221 attached [pid 6218] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6221] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6220] <... bpf resumed>) = 0 [pid 6219] <... clone3 resumed> => {parent_tid=[14159]}, 88) = 14159 [pid 6218] <... futex resumed>) = 0 [pid 6209] close(18 [pid 6221] <... set_robust_list resumed>) = 0 [pid 6220] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] rt_sigprocmask(SIG_SETMASK, [], [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6221] rt_sigprocmask(SIG_SETMASK, [], [pid 6220] <... futex resumed>) = 0 [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6209] close(19 [pid 6221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6220] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6221] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... mprotect resumed>) = 0 [pid 6209] close(20 [pid 6221] <... bpf resumed>) = 3 [pid 6219] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6221] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6209] close(21 [pid 6221] <... futex resumed>) = 0 [pid 6219] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6222 attached [pid 6221] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6219] <... futex resumed>) = 0 [pid 6209] close(22 [pid 6222] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6221] <... bpf resumed>) = 0 [pid 6219] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... clone3 resumed> => {parent_tid=[13822]}, 88) = 13822 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... set_robust_list resumed>) = 0 [pid 6221] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 6209] close(23 [pid 6222] rt_sigprocmask(SIG_SETMASK, [], [pid 6221] <... futex resumed>) = 0 [pid 6219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6218] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] close(24 [pid 6222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6219] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6218] <... futex resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] close(25) = -1 EBADF (Bad file descriptor) [pid 6209] close(26) = -1 EBADF (Bad file descriptor) [pid 6209] close(27 [pid 6222] <... bpf resumed>) = 4 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... mprotect resumed>) = 0 [pid 6209] close(28 [pid 6222] <... futex resumed>) = 1 [pid 6219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6218] <... futex resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6218] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] close(29 [pid 6220] <... futex resumed>) = 0 [pid 6219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6218] <... futex resumed>) = 1 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6223 attached [pid 6220] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6218] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6209] exit_group(0 [pid 6223] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6219] <... clone3 resumed> => {parent_tid=[14160]}, 88) = 14160 [pid 6209] <... exit_group resumed>) = ? [pid 6211] <... futex resumed>) = ? [pid 6212] <... futex resumed>) = 14160 [pid 6223] <... set_robust_list resumed>) = 0 [pid 6219] rt_sigprocmask(SIG_SETMASK, [], [pid 6211] +++ exited with 0 +++ [pid 6223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6223] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] +++ exited with 0 +++ [pid 6209] +++ exited with 0 +++ [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6223] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 1 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6219] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] <... bpf resumed>) = 4 [pid 294] <... restart_syscall resumed>) = 0 [pid 6223] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6219] <... futex resumed>) = 0 [pid 6223] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] umount2("./4747", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6221] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 1 [pid 6221] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6219] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4747/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4747/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4747/cgroup.cpu") = 0 [pid 294] umount2("./4747/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4747/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4747/binderfs") = 0 [pid 294] umount2("./4747/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4747/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4747/cgroup") = 0 [pid 294] umount2("./4747/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4747/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4747/cgroup.net") = 0 [pid 294] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [pid 294] rmdir("./4747") = 0 [pid 294] mkdir("./4748", 0777) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6215] <... close resumed>) = 0 [pid 6210] <... close resumed>) = 0 [pid 6215] close(6./strace-static-x86_64: Process 6224 attached ) = -1 EBADF (Bad file descriptor) [pid 6210] close(6 [pid 6224] set_robust_list(0x5555568776a0, 24 [pid 6215] close(7 [pid 6224] <... set_robust_list resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13980 [pid 6224] chdir("./4748" [pid 6215] close(8 [pid 6210] close(7 [pid 6224] <... chdir resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6215] close(9 [pid 6210] close(8 [pid 6224] <... prctl resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] setpgid(0, 0 [pid 6215] close(10 [pid 6210] close(9 [pid 6224] <... setpgid resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6215] close(11 [pid 6224] <... symlink resumed>) = 0 [pid 6210] close(10 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6215] close(12 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... symlink resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(11 [pid 6224] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6215] close(13 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... symlink resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(12 [pid 6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6215] close(14 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... openat resumed>) = 3 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(13 [pid 6224] write(3, "1000", 4 [pid 6215] close(15 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... write resumed>) = 4 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(14 [pid 6224] close(3 [pid 6215] close(16 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... close resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(15 [pid 6224] symlink("/dev/binderfs", "./binderfs" [pid 6215] close(17 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... symlink resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(16 [pid 6224] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] close(18 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... futex resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(17 [pid 6224] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6215] close(19 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(18 [pid 6224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6215] close(20 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(19 [pid 6224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6215] close(21 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(20 [pid 6224] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6215] close(22 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... mprotect resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(21 [pid 6224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6215] close(23 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(22 [pid 6224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6215] close(24 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6225 attached [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(23 [pid 6225] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6224] <... clone3 resumed> => {parent_tid=[13981]}, 88) = 13981 [pid 6215] close(25 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... set_robust_list resumed>) = 0 [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(24 [pid 6225] rt_sigprocmask(SIG_SETMASK, [], [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6215] close(26 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6224] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(25 [pid 6225] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6224] <... futex resumed>) = 0 [pid 6215] close(27 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... bpf resumed>) = 3 [pid 6224] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(26 [pid 6225] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] close(28 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(27 [pid 6225] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6224] <... futex resumed>) = 0 [pid 6215] close(29 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6225] <... bpf resumed>) = 0 [pid 6224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6225] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(28 [pid 6225] <... futex resumed>) = 0 [pid 6224] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6215] exit_group(0 [pid 6225] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] <... mprotect resumed>) = 0 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6217] <... futex resumed>) = ? [pid 6216] <... futex resumed>) = ? [pid 6215] <... exit_group resumed>) = ? [pid 6210] close(29 [pid 6224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6217] +++ exited with 0 +++ [pid 6216] +++ exited with 0 +++ [pid 6224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6226 attached [pid 6226] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6224] <... clone3 resumed> => {parent_tid=[13982]}, 88) = 13982 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6215] +++ exited with 0 +++ [pid 6226] rt_sigprocmask(SIG_SETMASK, [], [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6224] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] exit_group(0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6224] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = ? [pid 6210] <... exit_group resumed>) = ? [pid 6214] <... futex resumed>) = ? [pid 6226] <... bpf resumed>) = 4 [pid 6224] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6213] +++ exited with 0 +++ [pid 297] <... restart_syscall resumed>) = 0 [pid 6226] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6224] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] <... futex resumed>) = 1 [pid 6224] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6214] +++ exited with 0 +++ [pid 6210] +++ exited with 0 +++ [pid 6225] <... futex resumed>) = 0 [pid 6225] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] umount2("./4861", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... restart_syscall resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4861", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", [pid 296] umount2("./4827", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 296] openat(AT_FDCWD, "./4827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] <... openat resumed>) = 3 [pid 297] umount2("./4861/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(3, "", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(AT_FDCWD, "./4861/cgroup.cpu", [pid 296] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] unlink("./4861/cgroup.cpu" [pid 296] umount2("./4827/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4861/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4827/cgroup.cpu", [pid 297] newfstatat(AT_FDCWD, "./4861/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4827/cgroup.cpu" [pid 297] unlink("./4861/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] umount2("./4827/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4861/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4827/binderfs", [pid 297] newfstatat(AT_FDCWD, "./4861/cgroup", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4827/binderfs" [pid 297] unlink("./4861/cgroup" [pid 296] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] umount2("./4827/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4861/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4861/cgroup.net", [pid 296] newfstatat(AT_FDCWD, "./4827/cgroup", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4861/cgroup.net" [pid 296] unlink("./4827/cgroup" [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] umount2("./4827/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] close(3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... close resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4827/cgroup.net", [pid 297] rmdir("./4861" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 296] unlink("./4827/cgroup.net" [pid 297] mkdir("./4862", 0777 [pid 296] <... unlink resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 296] getdents64(3, [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6227 attached [pid 296] close(3 [pid 6227] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14339 [pid 6227] <... set_robust_list resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 6227] chdir("./4862") = 0 [pid 6221] <... bpf resumed>) = 5 [pid 6220] <... bpf resumed>) = 5 [pid 6227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6221] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... prctl resumed>) = 0 [pid 6225] <... bpf resumed>) = 5 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 1 [pid 6219] <... futex resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 296] rmdir("./4827" [pid 6227] setpgid(0, 0 [pid 6225] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] close(3 [pid 6218] close(3 [pid 6227] <... setpgid resumed>) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6219] <... close resumed>) = 0 [pid 6218] <... close resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 6227] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6225] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] close(3 [pid 6219] close(4 [pid 6218] close(4 [pid 296] mkdir("./4828", 0777 [pid 6227] <... symlink resumed>) = 0 [pid 6224] <... close resumed>) = 0 [pid 6219] <... close resumed>) = 0 [pid 6218] <... close resumed>) = 0 [pid 6227] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6218] close(5 [pid 6227] <... symlink resumed>) = 0 [pid 6224] close(4 [pid 6219] close(5 [pid 6218] <... close resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 6227] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6224] <... close resumed>) = 0 [pid 6218] close(6 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6227] <... symlink resumed>) = 0 [pid 6224] close(5 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6218] close(7 [pid 6227] <... openat resumed>) = 3 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6228 attached [pid 6227] write(3, "1000", 4 [pid 6218] close(8 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14261 [pid 6228] set_robust_list(0x5555568776a0, 24 [pid 6227] <... write resumed>) = 4 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... set_robust_list resumed>) = 0 [pid 6227] close(3 [pid 6218] close(9 [pid 6228] chdir("./4828" [pid 6227] <... close resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... chdir resumed>) = 0 [pid 6227] symlink("/dev/binderfs", "./binderfs" [pid 6218] close(10 [pid 6228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6227] <... symlink resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... prctl resumed>) = 0 [pid 6227] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] close(11 [pid 6228] setpgid(0, 0 [pid 6227] <... futex resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... setpgid resumed>) = 0 [pid 6227] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6218] close(12 [pid 6228] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6227] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6218] close(13 [pid 6228] <... symlink resumed>) = 0 [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6218] close(14 [pid 6227] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... symlink resumed>) = 0 [pid 6227] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6218] close(15 [pid 6228] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6227] <... mprotect resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... symlink resumed>) = 0 [pid 6227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6218] close(16 [pid 6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6228] <... openat resumed>) = 3 [pid 6218] close(17./strace-static-x86_64: Process 6229 attached [pid 6228] write(3, "1000", 4 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6228] <... write resumed>) = 4 [pid 6227] <... clone3 resumed> => {parent_tid=[14340]}, 88) = 14340 [pid 6218] close(18 [pid 6229] <... set_robust_list resumed>) = 0 [pid 6228] close(3 [pid 6227] rt_sigprocmask(SIG_SETMASK, [], [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] rt_sigprocmask(SIG_SETMASK, [], [pid 6228] <... close resumed>) = 0 [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] close(19 [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] symlink("/dev/binderfs", "./binderfs" [pid 6227] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6227] <... futex resumed>) = 0 [pid 6218] close(20 [pid 6229] <... bpf resumed>) = 3 [pid 6228] <... symlink resumed>) = 0 [pid 6227] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] close(21 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6227] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6228] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6227] <... futex resumed>) = 0 [pid 6218] close(22 [pid 6229] <... bpf resumed>) = 0 [pid 6227] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6229] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6227] <... futex resumed>) = 0 [pid 6218] close(23 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6227] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6218] close(24 [pid 6228] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6227] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6227] <... mprotect resumed>) = 0 [pid 6218] close(25 [pid 6228] <... mprotect resumed>) = 0 [pid 6227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6218] close(26 [pid 6228] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6230 attached [pid 6228] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6218] close(27 [pid 6230] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6227] <... clone3 resumed> => {parent_tid=[14341]}, 88) = 14341 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6231 attached [pid 6230] <... set_robust_list resumed>) = 0 [pid 6227] rt_sigprocmask(SIG_SETMASK, [], [pid 6218] close(28 [pid 6231] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6230] rt_sigprocmask(SIG_SETMASK, [], [pid 6228] <... clone3 resumed> => {parent_tid=[14262]}, 88) = 14262 [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... set_robust_list resumed>) = 0 [pid 6230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] rt_sigprocmask(SIG_SETMASK, [], [pid 6227] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] close(29 [pid 6231] rt_sigprocmask(SIG_SETMASK, [], [pid 6230] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] <... futex resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] exit_group(0 [pid 6231] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] <... futex resumed>) = ? [pid 6218] <... exit_group resumed>) = ? [pid 6230] <... bpf resumed>) = 4 [pid 6228] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = ? [pid 6220] +++ exited with 0 +++ [pid 6231] <... futex resumed>) = 0 [pid 6230] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... futex resumed>) = 1 [pid 6231] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6231] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6231] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] +++ exited with 0 +++ [pid 6218] +++ exited with 0 +++ [pid 6228] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... futex resumed>) = 1 [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6227] <... futex resumed>) = 0 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6230] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 6231] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 1 [pid 6227] <... futex resumed>) = 1 [pid 6231] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6229] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6228] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... restart_syscall resumed>) = 0 [pid 6231] <... bpf resumed>) = 0 [pid 6227] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6228] <... futex resumed>) = 0 [pid 6231] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6231] <... futex resumed>) = 0 [pid 6228] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 293] umount2("./4686", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6231] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6228] <... mprotect resumed>) = 0 [pid 293] openat(AT_FDCWD, "./4686", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6228] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] <... openat resumed>) = 3 [pid 6228] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] newfstatat(3, "", [pid 6228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6232 attached [pid 293] getdents64(3, [pid 6232] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6228] <... clone3 resumed> => {parent_tid=[14263]}, 88) = 14263 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6232] <... set_robust_list resumed>) = 0 [pid 6228] rt_sigprocmask(SIG_SETMASK, [], [pid 293] umount2("./4686/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6232] rt_sigprocmask(SIG_SETMASK, [], [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] newfstatat(AT_FDCWD, "./4686/cgroup.cpu", [pid 6232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6228] <... futex resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6232] <... bpf resumed>) = 4 [pid 6228] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] unlink("./4686/cgroup.cpu" [pid 6232] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 293] <... unlink resumed>) = 0 [pid 6232] <... futex resumed>) = 0 [pid 6228] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] umount2("./4686/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6232] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 1 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6228] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 293] newfstatat(AT_FDCWD, "./4686/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4686/binderfs") = 0 [pid 293] umount2("./4686/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4686/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4686/cgroup") = 0 [pid 293] umount2("./4686/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6219] <... close resumed>) = 0 [pid 6224] <... close resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] close(6 [pid 6219] close(6 [pid 293] newfstatat(AT_FDCWD, "./4686/cgroup.net", [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] close(7 [pid 6219] close(7 [pid 293] unlink("./4686/cgroup.net" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 6224] close(8 [pid 6219] close(8 [pid 293] getdents64(3, [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6224] close(9 [pid 6219] close(9 [pid 293] close(3 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... close resumed>) = 0 [pid 6224] close(10 [pid 293] rmdir("./4686" [pid 6219] close(10 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... rmdir resumed>) = 0 [pid 6224] close(11 [pid 6219] close(11 [pid 293] mkdir("./4687", 0777 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... mkdir resumed>) = 0 [pid 6224] close(12 [pid 6219] close(12 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6233 attached [pid 6224] close(13 [pid 6219] close(13 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13823 [pid 6233] set_robust_list(0x5555568776a0, 24 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... set_robust_list resumed>) = 0 [pid 6224] close(14 [pid 6219] close(14 [pid 6233] chdir("./4687" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... chdir resumed>) = 0 [pid 6224] close(15 [pid 6219] close(15 [pid 6233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... prctl resumed>) = 0 [pid 6224] close(16 [pid 6219] close(16 [pid 6233] setpgid(0, 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... setpgid resumed>) = 0 [pid 6224] close(17 [pid 6219] close(17 [pid 6233] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... symlink resumed>) = 0 [pid 6224] close(18 [pid 6219] close(18 [pid 6233] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... symlink resumed>) = 0 [pid 6224] close(19 [pid 6219] close(19 [pid 6233] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... symlink resumed>) = 0 [pid 6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] close(20 [pid 6219] close(20 [pid 6233] <... openat resumed>) = 3 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] write(3, "1000", 4 [pid 6224] close(21 [pid 6219] close(21 [pid 6233] <... write resumed>) = 4 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(3 [pid 6224] close(22 [pid 6219] close(22 [pid 6233] <... close resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] symlink("/dev/binderfs", "./binderfs" [pid 6224] close(23 [pid 6219] close(23 [pid 6233] <... symlink resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] close(24 [pid 6219] close(24 [pid 6233] <... futex resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6224] close(25 [pid 6219] close(25 [pid 6233] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6224] close(26 [pid 6219] close(26 [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6224] close(27 [pid 6219] close(27 [pid 6233] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6224] close(28 [pid 6219] close(28 [pid 6233] <... mprotect resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6224] close(29 [pid 6233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(29 [pid 6233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6224] exit_group(0 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6234 attached [pid 6226] <... futex resumed>) = ? [pid 6224] <... exit_group resumed>) = ? [pid 6219] exit_group(0 [pid 6234] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6233] <... clone3 resumed> => {parent_tid=[13824]}, 88) = 13824 [pid 6226] +++ exited with 0 +++ [pid 6225] <... futex resumed>) = ? [pid 6234] <... set_robust_list resumed>) = 0 [pid 6233] rt_sigprocmask(SIG_SETMASK, [], [pid 6223] <... futex resumed>) = ? [pid 6221] <... futex resumed>) = ? [pid 6219] <... exit_group resumed>) = ? [pid 6234] rt_sigprocmask(SIG_SETMASK, [], [pid 6223] +++ exited with 0 +++ [pid 6221] +++ exited with 0 +++ [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6234] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6225] +++ exited with 0 +++ [pid 6224] +++ exited with 0 +++ [pid 6219] +++ exited with 0 +++ [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6234] <... futex resumed>) = 0 [pid 6233] <... futex resumed>) = 1 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6234] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6233] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] <... bpf resumed>) = 3 [pid 295] <... restart_syscall resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 6234] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6233] <... futex resumed>) = 0 [pid 6234] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6233] <... futex resumed>) = 0 [pid 295] umount2("./4800", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6234] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6233] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... bpf resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4748", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6234] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] openat(AT_FDCWD, "./4800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6234] <... futex resumed>) = 0 [pid 6233] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6234] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] <... openat resumed>) = 3 [pid 294] openat(AT_FDCWD, "./4748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6233] <... mprotect resumed>) = 0 [pid 295] newfstatat(3, "", [pid 6233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] <... openat resumed>) = 3 [pid 6233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] newfstatat(3, "", [pid 6233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] getdents64(3, [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6235 attached [pid 6235] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 6233] <... clone3 resumed> => {parent_tid=[13825]}, 88) = 13825 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] getdents64(3, [pid 6235] rt_sigprocmask(SIG_SETMASK, [], [pid 6233] rt_sigprocmask(SIG_SETMASK, [], [pid 295] umount2("./4800/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6235] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4748/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6233] <... futex resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4800/cgroup.cpu", [pid 6235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6233] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6235] <... bpf resumed>) = 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4748/cgroup.cpu", [pid 6235] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] unlink("./4800/cgroup.cpu" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6235] <... futex resumed>) = 1 [pid 6235] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] <... futex resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] unlink("./4748/cgroup.cpu" [pid 6233] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./4800/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6234] <... futex resumed>) = 0 [pid 6233] <... futex resumed>) = 1 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 6234] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6233] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] newfstatat(AT_FDCWD, "./4800/binderfs", [pid 294] umount2("./4748/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4800/binderfs" [pid 294] newfstatat(AT_FDCWD, "./4748/binderfs", [pid 295] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4800/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4748/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4800/cgroup", [pid 294] umount2("./4748/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4800/cgroup" [pid 294] newfstatat(AT_FDCWD, "./4748/cgroup", [pid 295] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4800/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4748/cgroup" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4800/cgroup.net", [pid 294] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4800/cgroup.net" [pid 294] umount2("./4748/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4748/cgroup.net", [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] close(3 [pid 294] unlink("./4748/cgroup.net" [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./4800" [pid 294] <... unlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 294] getdents64(3, [pid 295] mkdir("./4801", 0777 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 294] close(3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... close resumed>) = 0 ./strace-static-x86_64: Process 6236 attached [pid 294] rmdir("./4748" [pid 6236] set_robust_list(0x5555568776a0, 24 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14161 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6236] chdir("./4801" [pid 6234] <... bpf resumed>) = 5 [pid 6231] <... bpf resumed>) = 5 [pid 6229] <... bpf resumed>) = 5 [pid 294] <... rmdir resumed>) = 0 [pid 6236] <... chdir resumed>) = 0 [pid 6234] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] mkdir("./4749", 0777 [pid 6236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6234] <... futex resumed>) = 1 [pid 6233] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 1 [pid 6228] <... futex resumed>) = 0 [pid 6227] <... futex resumed>) = 0 [pid 6236] <... prctl resumed>) = 0 [pid 6227] close(3 [pid 6236] setpgid(0, 0 [pid 6234] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] close(3 [pid 6231] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] close(3 [pid 6227] <... close resumed>) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 6236] <... setpgid resumed>) = 0 [pid 6233] <... close resumed>) = 0 [pid 6228] <... close resumed>) = 0 [pid 6227] close(4 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6236] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6233] close(4 [pid 6228] close(4 [pid 6227] <... close resumed>) = 0 [pid 6236] <... symlink resumed>) = 0 [pid 6227] close(5./strace-static-x86_64: Process 6237 attached [pid 6236] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6233] <... close resumed>) = 0 [pid 6228] <... close resumed>) = 0 [pid 6227] <... close resumed>) = 0 [pid 6237] set_robust_list(0x5555568776a0, 24 [pid 6236] <... symlink resumed>) = 0 [pid 6233] close(5 [pid 6228] close(5 [pid 6227] close(6 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13983 [pid 6237] <... set_robust_list resumed>) = 0 [pid 6236] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] chdir("./4749" [pid 6236] <... symlink resumed>) = 0 [pid 6227] close(7 [pid 6237] <... chdir resumed>) = 0 [pid 6236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6236] <... openat resumed>) = 3 [pid 6227] close(8 [pid 6237] <... prctl resumed>) = 0 [pid 6236] write(3, "1000", 4 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] setpgid(0, 0 [pid 6236] <... write resumed>) = 4 [pid 6227] close(9 [pid 6237] <... setpgid resumed>) = 0 [pid 6236] close(3 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6236] <... close resumed>) = 0 [pid 6227] close(10 [pid 6237] <... symlink resumed>) = 0 [pid 6236] symlink("/dev/binderfs", "./binderfs" [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6236] <... symlink resumed>) = 0 [pid 6227] close(11 [pid 6237] <... symlink resumed>) = 0 [pid 6236] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6236] <... futex resumed>) = 0 [pid 6227] close(12 [pid 6237] <... symlink resumed>) = 0 [pid 6236] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6236] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6227] close(13 [pid 6237] <... openat resumed>) = 3 [pid 6236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] write(3, "1000", 4 [pid 6236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] close(14 [pid 6237] <... write resumed>) = 4 [pid 6236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(3 [pid 6236] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6227] close(15 [pid 6237] <... close resumed>) = 0 [pid 6236] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] symlink("/dev/binderfs", "./binderfs" [pid 6236] <... mprotect resumed>) = 0 [pid 6227] close(16 [pid 6237] <... symlink resumed>) = 0 [pid 6236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6227] close(17 [pid 6237] <... futex resumed>) = 0 [pid 6236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6238 attached [pid 6237] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6227] close(18 [pid 6238] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6237] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6236] <... clone3 resumed> => {parent_tid=[14162]}, 88) = 14162 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... set_robust_list resumed>) = 0 [pid 6237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6236] rt_sigprocmask(SIG_SETMASK, [], [pid 6227] close(19 [pid 6238] rt_sigprocmask(SIG_SETMASK, [], [pid 6237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6236] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] close(20 [pid 6238] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6237] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6236] <... futex resumed>) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... bpf resumed>) = 3 [pid 6237] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6236] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] close(21 [pid 6238] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... mprotect resumed>) = 0 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... futex resumed>) = 0 [pid 6237] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6236] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] close(22 [pid 6238] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6237] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6236] <... futex resumed>) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6236] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] close(23./strace-static-x86_64: Process 6239 attached [pid 6238] <... bpf resumed>) = 0 [pid 6236] <... futex resumed>) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6238] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... clone3 resumed> => {parent_tid=[13984]}, 88) = 13984 [pid 6236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6227] close(24 [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] <... futex resumed>) = 0 [pid 6237] rt_sigprocmask(SIG_SETMASK, [], [pid 6236] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] rt_sigprocmask(SIG_SETMASK, [], [pid 6238] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6236] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6227] close(25 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6237] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... mprotect resumed>) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6237] <... futex resumed>) = 0 [pid 6236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6227] close(26 [pid 6239] <... bpf resumed>) = 3 [pid 6237] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6227] close(27./strace-static-x86_64: Process 6240 attached [pid 6239] <... futex resumed>) = 0 [pid 6237] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6239] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6237] <... futex resumed>) = 0 [pid 6236] <... clone3 resumed> => {parent_tid=[14163]}, 88) = 14163 [pid 6227] close(28 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6237] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] rt_sigprocmask(SIG_SETMASK, [], [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... bpf resumed>) = 0 [pid 6240] rt_sigprocmask(SIG_SETMASK, [], [pid 6237] <... futex resumed>) = 0 [pid 6239] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] close(29 [pid 6240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6236] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6239] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6237] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6236] <... futex resumed>) = 0 [pid 6227] exit_group(0 [pid 6237] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6236] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] <... futex resumed>) = ? [pid 6227] <... exit_group resumed>) = ? [pid 6237] <... mprotect resumed>) = 0 [pid 6229] +++ exited with 0 +++ [pid 6240] <... bpf resumed>) = 4 [pid 6237] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6230] <... futex resumed>) = ? [pid 6240] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6241 attached [pid 6241] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6237] <... clone3 resumed> => {parent_tid=[13985]}, 88) = 13985 [pid 6241] <... set_robust_list resumed>) = 0 [pid 6237] rt_sigprocmask(SIG_SETMASK, [], [pid 6241] rt_sigprocmask(SIG_SETMASK, [], [pid 6240] <... futex resumed>) = 1 [pid 6237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6236] <... futex resumed>) = 0 [pid 6230] +++ exited with 0 +++ [pid 6227] +++ exited with 0 +++ [pid 6241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6240] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6237] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = 0 [pid 6236] <... futex resumed>) = 1 [pid 6241] <... bpf resumed>) = 4 [pid 6238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6237] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6241] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6241] <... futex resumed>) = 0 [pid 6237] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 6241] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6239] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6237] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] umount2("./4862", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4862", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6233] <... close resumed>) = 0 [pid 6228] <... close resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 6233] close(6 [pid 6228] close(6 [pid 297] newfstatat(3, "", [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6233] close(7 [pid 6228] close(7 [pid 297] getdents64(3, [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6233] close(8 [pid 6228] close(8 [pid 297] umount2("./4862/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(9 [pid 6228] close(9 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4862/cgroup.cpu", [pid 6233] close(10 [pid 6228] close(10 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(11 [pid 297] unlink("./4862/cgroup.cpu" [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(11 [pid 6233] close(12 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(12 [pid 297] umount2("./4862/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] close(13 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(13 [pid 297] newfstatat(AT_FDCWD, "./4862/binderfs", [pid 6233] close(14 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(14 [pid 297] unlink("./4862/binderfs" [pid 6233] close(15 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(15 [pid 297] <... unlink resumed>) = 0 [pid 6233] close(16 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4862/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(16 [pid 6233] close(17 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(17 [pid 297] newfstatat(AT_FDCWD, "./4862/cgroup", [pid 6233] close(18 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(18 [pid 297] unlink("./4862/cgroup" [pid 6233] close(19 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 6228] close(19 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4862/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] close(20 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(20 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] close(21 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(21 [pid 297] newfstatat(AT_FDCWD, "./4862/cgroup.net", [pid 6233] close(22 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(22 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6233] close(23 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4862/cgroup.net" [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(23 [pid 6233] close(24 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(24 [pid 297] getdents64(3, [pid 6233] close(25 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(25 [pid 297] close(3 [pid 6233] close(26 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(26 [pid 297] rmdir("./4862" [pid 6233] close(27 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 6228] close(27 [pid 6233] close(28 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] mkdir("./4863", 0777 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(28) = -1 EBADF (Bad file descriptor) [pid 297] <... mkdir resumed>) = 0 [pid 6233] close(29) = -1 EBADF (Bad file descriptor) [pid 6228] close(29 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6233] exit_group(0 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6242 attached [pid 6235] <... futex resumed>) = ? [pid 6234] <... futex resumed>) = ? [pid 6233] <... exit_group resumed>) = ? [pid 6228] exit_group(0 [pid 6242] set_robust_list(0x5555568776a0, 24 [pid 6234] +++ exited with 0 +++ [pid 6242] <... set_robust_list resumed>) = 0 [pid 6242] chdir("./4863") = 0 [pid 6242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6242] setpgid(0, 0) = 0 [pid 6242] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6235] +++ exited with 0 +++ [pid 6233] +++ exited with 0 +++ [pid 6231] <... futex resumed>) = -1 (errno 18446744073709551528) [pid 6242] <... symlink resumed>) = 0 [pid 6232] <... futex resumed>) = ? [pid 6228] <... exit_group resumed>) = ? [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14342 [pid 6242] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6242] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6231] +++ exited with 0 +++ [pid 6242] <... symlink resumed>) = 0 [pid 6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6242] write(3, "1000", 4) = 4 [pid 6232] +++ exited with 0 +++ [pid 6228] +++ exited with 0 +++ [pid 6242] close(3) = 0 [pid 6242] symlink("/dev/binderfs", "./binderfs") = 0 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6242] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 6242] <... futex resumed>) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 6242] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 293] <... restart_syscall resumed>) = 0 [pid 6242] <... rt_sigaction resumed>NULL, 8) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 6242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 293] umount2("./4687", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6242] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 296] umount2("./4828", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4687", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 296] openat(AT_FDCWD, "./4828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6243 attached [pid 293] <... openat resumed>) = 3 [pid 6243] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6242] <... clone3 resumed> => {parent_tid=[14343]}, 88) = 14343 [pid 296] <... openat resumed>) = 3 [pid 293] newfstatat(3, "", [pid 6243] <... set_robust_list resumed>) = 0 [pid 6242] rt_sigprocmask(SIG_SETMASK, [], [pid 296] newfstatat(3, "", [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6243] rt_sigprocmask(SIG_SETMASK, [], [pid 6242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] getdents64(3, [pid 293] getdents64(3, [pid 6243] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6242] <... futex resumed>) = 0 [pid 6243] <... bpf resumed>) = 3 [pid 6242] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6243] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4828/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4687/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6243] <... futex resumed>) = 1 [pid 6242] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(AT_FDCWD, "./4828/cgroup.cpu", [pid 293] newfstatat(AT_FDCWD, "./4687/cgroup.cpu", [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... futex resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6243] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6242] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] unlink("./4828/cgroup.cpu" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6243] <... bpf resumed>) = 0 [pid 6242] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6242] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6243] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... mprotect resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] unlink("./4687/cgroup.cpu" [pid 6243] <... futex resumed>) = 0 [pid 6242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] umount2("./4828/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6244 attached [pid 6243] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4687/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6244] set_robust_list(0x7fd4ce11a9a0, 24 [pid 296] newfstatat(AT_FDCWD, "./4828/binderfs", [pid 6244] <... set_robust_list resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] <... clone3 resumed> => {parent_tid=[14344]}, 88) = 14344 [pid 6242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6242] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6242] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4687/binderfs", [pid 6244] rt_sigprocmask(SIG_SETMASK, [], [pid 296] unlink("./4828/binderfs" [pid 6244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 293] unlink("./4687/binderfs" [pid 6244] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] umount2("./4828/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 6244] <... bpf resumed>) = 4 [pid 293] umount2("./4687/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6244] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6244] <... futex resumed>) = 1 [pid 6242] <... futex resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6244] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(AT_FDCWD, "./4828/cgroup", [pid 293] newfstatat(AT_FDCWD, "./4687/cgroup", [pid 6243] <... futex resumed>) = 0 [pid 6242] <... futex resumed>) = 1 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6243] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6242] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] unlink("./4828/cgroup" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] umount2("./4828/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4687/cgroup" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4828/cgroup.net", [pid 293] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4687/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4828/cgroup.net" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4687/cgroup.net", [pid 296] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] unlink("./4687/cgroup.net" [pid 296] close(3 [pid 293] <... unlink resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 293] getdents64(3, [pid 296] rmdir("./4828" [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 293] close(3 [pid 296] mkdir("./4829", 0777 [pid 293] <... close resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 293] rmdir("./4687" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6245 attached [pid 293] mkdir("./4688", 0777 [pid 6245] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14264 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6245] chdir("./4829") = 0 [pid 293] <... mkdir resumed>) = 0 [pid 6245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6245] <... prctl resumed>) = 0 [pid 6243] <... bpf resumed>) = 5 [pid 6239] <... bpf resumed>) = 5 [pid 6238] <... bpf resumed>) = 5 [pid 6245] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6246 attached [pid 6245] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6243] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] set_robust_list(0x5555568776a0, 24 [pid 6245] <... symlink resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6242] <... futex resumed>) = 0 [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 1 [pid 6237] <... futex resumed>) = 0 [pid 6236] <... futex resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13826 [pid 6246] <... set_robust_list resumed>) = 0 [pid 6245] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6243] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] close(3 [pid 6239] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6237] close(3 [pid 6236] close(3 [pid 6246] chdir("./4688" [pid 6245] <... symlink resumed>) = 0 [pid 6242] <... close resumed>) = 0 [pid 6237] <... close resumed>) = 0 [pid 6236] <... close resumed>) = 0 [pid 6246] <... chdir resumed>) = 0 [pid 6245] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6242] close(4 [pid 6237] close(4 [pid 6236] close(4 [pid 6246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6245] <... symlink resumed>) = 0 [pid 6242] <... close resumed>) = 0 [pid 6237] <... close resumed>) = 0 [pid 6236] <... close resumed>) = 0 [pid 6246] <... prctl resumed>) = 0 [pid 6245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6242] close(5 [pid 6237] close(5 [pid 6236] close(5 [pid 6246] setpgid(0, 0 [pid 6245] <... openat resumed>) = 3 [pid 6242] <... close resumed>) = 0 [pid 6237] <... close resumed>) = 0 [pid 6236] <... close resumed>) = 0 [pid 6246] <... setpgid resumed>) = 0 [pid 6245] write(3, "1000", 4 [pid 6242] close(6 [pid 6237] close(6 [pid 6236] close(6 [pid 6246] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6245] <... write resumed>) = 4 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(3 [pid 6237] close(7 [pid 6236] close(7 [pid 6246] <... symlink resumed>) = 0 [pid 6245] <... close resumed>) = 0 [pid 6242] close(7 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6245] symlink("/dev/binderfs", "./binderfs" [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(8 [pid 6236] close(8 [pid 6246] <... symlink resumed>) = 0 [pid 6245] <... symlink resumed>) = 0 [pid 6242] close(8 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6245] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(9 [pid 6236] close(9 [pid 6246] <... symlink resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6242] close(9 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6245] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(10 [pid 6236] close(10 [pid 6246] <... openat resumed>) = 3 [pid 6245] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6242] close(10 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] write(3, "1000", 4 [pid 6245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(11 [pid 6236] close(11 [pid 6246] <... write resumed>) = 4 [pid 6245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] close(11 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] close(3 [pid 6245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(12 [pid 6236] close(12 [pid 6246] <... close resumed>) = 0 [pid 6245] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6242] close(12 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] symlink("/dev/binderfs", "./binderfs" [pid 6245] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(13 [pid 6236] close(13 [pid 6246] <... symlink resumed>) = 0 [pid 6245] <... mprotect resumed>) = 0 [pid 6242] close(13 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(14 [pid 6236] close(14 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6242] close(14 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(15 [pid 6236] close(15./strace-static-x86_64: Process 6247 attached [pid 6246] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6242] close(15 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6245] <... clone3 resumed> => {parent_tid=[14265]}, 88) = 14265 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(16 [pid 6236] close(16 [pid 6247] <... set_robust_list resumed>) = 0 [pid 6246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6245] rt_sigprocmask(SIG_SETMASK, [], [pid 6242] close(16 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] rt_sigprocmask(SIG_SETMASK, [], [pid 6246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(17 [pid 6236] close(17 [pid 6247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6246] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6245] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] close(17 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6246] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6245] <... futex resumed>) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(18 [pid 6236] close(18 [pid 6247] <... bpf resumed>) = 3 [pid 6246] <... mprotect resumed>) = 0 [pid 6245] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] close(18 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6237] close(19 [pid 6236] close(19 [pid 6247] <... futex resumed>) = 0 [pid 6246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6245] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6242] close(19 [pid 6237] close(20 [pid 6236] close(20 [pid 6247] <... bpf resumed>) = 0 [pid 6246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6245] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6248 attached [pid 6247] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 0 [pid 6242] close(20 [pid 6237] close(21 [pid 6236] close(21 [pid 6248] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6247] <... futex resumed>) = 0 [pid 6246] <... clone3 resumed> => {parent_tid=[13827]}, 88) = 13827 [pid 6245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... set_robust_list resumed>) = 0 [pid 6247] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] rt_sigprocmask(SIG_SETMASK, [], [pid 6245] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6242] close(21 [pid 6237] close(22 [pid 6236] close(22 [pid 6248] rt_sigprocmask(SIG_SETMASK, [], [pid 6246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6245] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6246] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... mprotect resumed>) = 0 [pid 6242] close(22 [pid 6237] close(23 [pid 6236] close(23 [pid 6248] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6246] <... futex resumed>) = 0 [pid 6245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... bpf resumed>) = 3 [pid 6246] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6242] close(23 [pid 6237] close(24 [pid 6236] close(24 [pid 6248] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6249 attached [pid 6248] <... futex resumed>) = 0 [pid 6246] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] close(24 [pid 6237] close(25 [pid 6236] close(25 [pid 6249] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6248] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... clone3 resumed> => {parent_tid=[14266]}, 88) = 14266 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... set_robust_list resumed>) = 0 [pid 6248] <... bpf resumed>) = 0 [pid 6246] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] rt_sigprocmask(SIG_SETMASK, [], [pid 6242] close(25 [pid 6237] close(26 [pid 6236] close(26 [pid 6249] rt_sigprocmask(SIG_SETMASK, [], [pid 6248] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6248] <... futex resumed>) = 0 [pid 6246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6245] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] close(26 [pid 6237] close(27 [pid 6236] close(27 [pid 6249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6248] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6245] <... futex resumed>) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] close(28 [pid 6236] close(28 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... bpf resumed>) = 4 [pid 6246] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6242] close(27 [pid 6237] close(29 [pid 6236] close(29 [pid 6249] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... mprotect resumed>) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... futex resumed>) = 1 [pid 6246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6245] <... futex resumed>) = 0 [pid 6242] close(28 [pid 6237] exit_group(0 [pid 6236] exit_group(0 [pid 6249] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6245] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... futex resumed>) = ? [pid 6240] <... futex resumed>) = ? [pid 6239] <... futex resumed>) = ? [pid 6238] <... futex resumed>) = ? [pid 6237] <... exit_group resumed>) = ? [pid 6236] <... exit_group resumed>) = ? [pid 6247] <... futex resumed>) = 0 [pid 6246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6245] <... futex resumed>) = 1 [pid 6242] close(29 [pid 6241] +++ exited with 0 +++ [pid 6240] +++ exited with 0 +++ [pid 6239] +++ exited with 0 +++ [pid 6238] +++ exited with 0 +++ [pid 6237] +++ exited with 0 +++ [pid 6236] +++ exited with 0 +++ ./strace-static-x86_64: Process 6250 attached [pid 6247] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6245] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6250] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6247] <... bpf resumed>) = 5 [pid 6246] <... clone3 resumed> => {parent_tid=[13828]}, 88) = 13828 [pid 6242] exit_group(0 [pid 6250] <... set_robust_list resumed>) = 0 [pid 6247] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] rt_sigprocmask(SIG_SETMASK, [], [pid 6244] <... futex resumed>) = ? [pid 6243] <... futex resumed>) = ? [pid 6242] <... exit_group resumed>) = ? [pid 6250] rt_sigprocmask(SIG_SETMASK, [], [pid 6247] <... futex resumed>) = 1 [pid 6246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6244] +++ exited with 0 +++ [pid 6243] +++ exited with 0 +++ [pid 295] umount2("./4801", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6245] close(3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6245] <... close resumed>) = 0 [pid 295] openat(AT_FDCWD, "./4801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6247] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] close(4 [pid 6242] +++ exited with 0 +++ [pid 295] <... openat resumed>) = 3 [pid 294] umount2("./4749", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = 1 [pid 6245] <... close resumed>) = 0 [pid 295] newfstatat(3, "", [pid 6250] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6246] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] close(5 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... bpf resumed>) = 4 [pid 6245] <... close resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] getdents64(3, [pid 294] openat(AT_FDCWD, "./4749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6250] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] close(6 [pid 297] <... restart_syscall resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6250] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4801/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... openat resumed>) = 3 [pid 6250] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] close(7 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(3, "", [pid 6248] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = 1 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4863", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4801/cgroup.cpu", [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6248] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6246] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6245] close(8 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] getdents64(3, [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] openat(AT_FDCWD, "./4863", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] unlink("./4801/cgroup.cpu" [pid 6245] close(9 [pid 297] <... openat resumed>) = 3 [pid 295] <... unlink resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(3, "", [pid 295] umount2("./4801/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4749/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6245] close(10 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./4801/binderfs", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] close(11 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4749/cgroup.cpu", [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4863/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4801/binderfs" [pid 6245] close(12 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4863/cgroup.cpu", [pid 295] umount2("./4801/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4749/cgroup.cpu" [pid 6245] close(13 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(AT_FDCWD, "./4801/cgroup", [pid 6245] close(14 [pid 297] unlink("./4863/cgroup.cpu" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] unlink("./4801/cgroup" [pid 6245] close(15 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] umount2("./4749/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4863/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4801/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] close(16 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4749/binderfs", [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4863/binderfs", [pid 295] newfstatat(AT_FDCWD, "./4801/cgroup.net", [pid 6245] close(17 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4863/binderfs" [pid 295] unlink("./4801/cgroup.net" [pid 294] unlink("./4749/binderfs" [pid 6245] close(18 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] getdents64(3, [pid 6245] close(19 [pid 297] umount2("./4863/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] close(3 [pid 6245] close(20 [pid 297] newfstatat(AT_FDCWD, "./4863/cgroup", [pid 295] <... close resumed>) = 0 [pid 294] umount2("./4749/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] rmdir("./4801" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] close(21 [pid 297] unlink("./4863/cgroup" [pid 295] <... rmdir resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4749/cgroup", [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] mkdir("./4802", 0777 [pid 6245] close(22 [pid 297] <... unlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4863/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] unlink("./4749/cgroup"./strace-static-x86_64: Process 6251 attached [pid 6245] close(23 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14164 [pid 6245] close(24 [pid 297] newfstatat(AT_FDCWD, "./4863/cgroup.net", [pid 294] <... unlink resumed>) = 0 [pid 6251] set_robust_list(0x5555568776a0, 24 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... set_robust_list resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4749/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6251] chdir("./4802" [pid 6245] close(25 [pid 297] unlink("./4863/cgroup.net" [pid 6251] <... chdir resumed>) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] close(26) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4749/cgroup.net", [pid 6251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6245] close(27 [pid 297] getdents64(3, [pid 6251] <... prctl resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6251] setpgid(0, 0 [pid 6245] close(28 [pid 297] close(3 [pid 294] unlink("./4749/cgroup.net" [pid 6251] <... setpgid resumed>) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 6245] close(29) = -1 EBADF (Bad file descriptor) [pid 6245] exit_group(0 [pid 294] <... unlink resumed>) = 0 [pid 6245] <... exit_group resumed>) = ? [pid 6251] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6249] <... futex resumed>) = ? [pid 6247] <... futex resumed>) = ? [pid 297] rmdir("./4863" [pid 294] getdents64(3, [pid 6251] <... symlink resumed>) = 0 [pid 6247] +++ exited with 0 +++ [pid 6249] +++ exited with 0 +++ [pid 6245] +++ exited with 0 +++ [pid 297] <... rmdir resumed>) = 0 [pid 6251] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 297] mkdir("./4864", 0777 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6251] <... symlink resumed>) = 0 [pid 294] close(3 [pid 297] <... mkdir resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 6251] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] rmdir("./4749" [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6251] <... symlink resumed>) = 0 [pid 294] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6252 attached [pid 6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 294] mkdir("./4750", 0777 [pid 6252] set_robust_list(0x5555568776a0, 24) = 0 [pid 6251] <... openat resumed>) = 3 [pid 6252] chdir("./4864") = 0 [pid 294] <... mkdir resumed>) = 0 [pid 6252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6251] write(3, "1000", 4 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14345 [pid 296] <... restart_syscall resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6252] <... prctl resumed>) = 0 [pid 6251] <... write resumed>) = 4 [pid 6252] setpgid(0, 0) = 0 [pid 6252] symlink("/syzcgroup/unified/syz3", "./cgroup"./strace-static-x86_64: Process 6253 attached ) = 0 [pid 6251] close(3 [pid 6253] set_robust_list(0x5555568776a0, 24 [pid 6252] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6251] <... close resumed>) = 0 [pid 296] umount2("./4829", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13986 [pid 6253] <... set_robust_list resumed>) = 0 [pid 6252] <... symlink resumed>) = 0 [pid 6251] symlink("/dev/binderfs", "./binderfs" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] chdir("./4750" [pid 6252] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6253] <... chdir resumed>) = 0 [pid 6252] <... symlink resumed>) = 0 [pid 6251] <... symlink resumed>) = 0 [pid 296] openat(AT_FDCWD, "./4829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6251] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... openat resumed>) = 3 [pid 6253] <... prctl resumed>) = 0 [pid 6252] <... openat resumed>) = 3 [pid 6251] <... futex resumed>) = 0 [pid 296] newfstatat(3, "", [pid 6253] setpgid(0, 0 [pid 6252] write(3, "1000", 4 [pid 6251] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6248] <... bpf resumed>) = 5 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6253] <... setpgid resumed>) = 0 [pid 6252] <... write resumed>) = 4 [pid 6251] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6248] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6252] close(3 [pid 6251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6248] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 0 [pid 296] getdents64(3, [pid 6253] <... symlink resumed>) = 0 [pid 6252] <... close resumed>) = 0 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6248] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] close(3 [pid 6253] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6252] symlink("/dev/binderfs", "./binderfs" [pid 6251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6246] <... close resumed>) = 0 [pid 6253] <... symlink resumed>) = 0 [pid 6252] <... symlink resumed>) = 0 [pid 6251] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6246] close(4 [pid 296] umount2("./4829/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6253] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6252] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6246] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] <... symlink resumed>) = 0 [pid 6252] <... futex resumed>) = 0 [pid 6251] <... mprotect resumed>) = 0 [pid 6246] close(5 [pid 296] newfstatat(AT_FDCWD, "./4829/cgroup.cpu", [pid 6253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6252] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6253] <... openat resumed>) = 3 [pid 6252] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6246] <... close resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] write(3, "1000", 4 [pid 6252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6246] close(6 [pid 296] unlink("./4829/cgroup.cpu" [pid 6253] <... write resumed>) = 4 [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(3 [pid 6252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6253] <... close resumed>) = 0 [pid 6252] <... mmap resumed>) = 0x7fd4ce11b000 [pid 296] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6254 attached [pid 6253] symlink("/dev/binderfs", "./binderfs" [pid 6252] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6246] close(7 [pid 296] umount2("./4829/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6254] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6253] <... symlink resumed>) = 0 [pid 6252] <... mprotect resumed>) = 0 [pid 6251] <... clone3 resumed> => {parent_tid=[14165]}, 88) = 14165 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] <... set_robust_list resumed>) = 0 [pid 6253] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6251] rt_sigprocmask(SIG_SETMASK, [], [pid 6246] close(8 [pid 296] newfstatat(AT_FDCWD, "./4829/binderfs", [pid 6254] rt_sigprocmask(SIG_SETMASK, [], [pid 6253] <... futex resumed>) = 0 [pid 6252] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6253] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6251] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] close(9 [pid 296] unlink("./4829/binderfs"./strace-static-x86_64: Process 6255 attached [pid 6254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6253] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 6255] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6254] <... bpf resumed>) = 3 [pid 6253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6252] <... clone3 resumed> => {parent_tid=[14346]}, 88) = 14346 [pid 6251] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] close(10 [pid 296] umount2("./4829/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] rt_sigprocmask(SIG_SETMASK, [], [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6255] rt_sigprocmask(SIG_SETMASK, [], [pid 6254] <... futex resumed>) = 0 [pid 6253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6251] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] close(11 [pid 296] newfstatat(AT_FDCWD, "./4829/cgroup", [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6254] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6253] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6252] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... futex resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6254] <... bpf resumed>) = 0 [pid 6253] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6252] <... futex resumed>) = 0 [pid 6251] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] close(12 [pid 296] unlink("./4829/cgroup" [pid 6255] <... bpf resumed>) = 3 [pid 6254] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... mprotect resumed>) = 0 [pid 6252] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6251] <... futex resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6253] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6246] close(13 [pid 296] <... unlink resumed>) = 0 [pid 6255] <... futex resumed>) = 0 [pid 6254] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6252] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4829/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6255] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6252] <... futex resumed>) = 0 [pid 6251] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6246] close(14 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6256 attached [pid 6255] <... bpf resumed>) = 0 [pid 6252] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... mprotect resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(AT_FDCWD, "./4829/cgroup.net", [pid 6256] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6255] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... clone3 resumed> => {parent_tid=[13987]}, 88) = 13987 [pid 6252] <... futex resumed>) = 0 [pid 6251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6246] close(15 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6256] <... set_robust_list resumed>) = 0 [pid 6255] <... futex resumed>) = 0 [pid 6253] rt_sigprocmask(SIG_SETMASK, [], [pid 6252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4829/cgroup.net" [pid 6256] rt_sigprocmask(SIG_SETMASK, [], [pid 6255] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6246] close(16 [pid 6256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6253] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6257 attached [pid 6253] <... futex resumed>) = 0 [pid 6252] <... mprotect resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6256] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6253] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6251] <... clone3 resumed> => {parent_tid=[14166]}, 88) = 14166 [pid 6246] close(17 [pid 296] getdents64(3, [pid 6257] <... set_robust_list resumed>) = 0 [pid 6256] <... bpf resumed>) = 3 [pid 6252] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] rt_sigprocmask(SIG_SETMASK, [], [pid 6256] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6251] rt_sigprocmask(SIG_SETMASK, [], [pid 6246] close(18 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6258 attached [pid 6257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6256] <... futex resumed>) = 1 [pid 6253] <... futex resumed>) = 0 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] close(3 [pid 6258] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6257] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... clone3 resumed> => {parent_tid=[14347]}, 88) = 14347 [pid 6251] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] close(19 [pid 296] <... close resumed>) = 0 [pid 6258] <... set_robust_list resumed>) = 0 [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] rmdir("./4829" [pid 6258] rt_sigprocmask(SIG_SETMASK, [], [pid 6257] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6256] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6253] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] rt_sigprocmask(SIG_SETMASK, [], [pid 6251] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] close(20 [pid 6253] <... futex resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 6256] <... bpf resumed>) = 0 [pid 6253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6253] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6252] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6252] <... futex resumed>) = 0 [pid 6253] <... mprotect resumed>) = 0 [pid 6252] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6257] <... bpf resumed>) = 4 [pid 6256] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] mkdir("./4830", 0777 [pid 6253] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6258] <... bpf resumed>) = 4 [pid 6253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6259 attached [pid 6246] close(21 [pid 6259] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6253] <... clone3 resumed> => {parent_tid=[13988]}, 88) = 13988 [pid 6259] <... set_robust_list resumed>) = 0 [pid 6256] <... futex resumed>) = 0 [pid 6253] rt_sigprocmask(SIG_SETMASK, [], [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... mkdir resumed>) = 0 [pid 6259] rt_sigprocmask(SIG_SETMASK, [], [pid 6258] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6246] close(22 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6257] <... futex resumed>) = 1 [pid 6259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6258] <... futex resumed>) = 1 [pid 6253] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6253] <... futex resumed>) = 0 [pid 6252] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6260 attached [pid 6259] <... bpf resumed>) = 4 [pid 6258] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6257] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] <... futex resumed>) = 0 [pid 6253] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] <... futex resumed>) = 1 [pid 6251] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] close(23 [pid 6260] set_robust_list(0x5555568776a0, 24 [pid 6259] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6254] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6251] <... futex resumed>) = 1 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14267 [pid 6260] <... set_robust_list resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6253] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6246] close(24 [pid 6260] chdir("./4830" [pid 6259] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = 1 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... chdir resumed>) = 0 [pid 6256] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6253] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6246] close(25 [pid 6260] <... prctl resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] setpgid(0, 0 [pid 6246] close(26 [pid 6260] <... setpgid resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6246] close(27 [pid 6260] <... symlink resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6246] close(28 [pid 6260] <... symlink resumed>) = 0 [pid 6256] <... bpf resumed>) = 5 [pid 6255] <... bpf resumed>) = 5 [pid 6254] <... bpf resumed>) = 5 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6256] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] close(29 [pid 6260] <... symlink resumed>) = 0 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 1 [pid 6253] <... futex resumed>) = 0 [pid 6252] <... futex resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6256] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] close(3 [pid 6252] close(3 [pid 6251] close(3 [pid 6246] exit_group(0 [pid 6260] <... openat resumed>) = 3 [pid 6253] <... close resumed>) = 0 [pid 6252] <... close resumed>) = 0 [pid 6251] <... close resumed>) = 0 [pid 6260] write(3, "1000", 4 [pid 6253] close(4 [pid 6252] close(4 [pid 6250] <... futex resumed>) = ? [pid 6248] <... futex resumed>) = ? [pid 6246] <... exit_group resumed>) = ? [pid 6251] close(4 [pid 6260] <... write resumed>) = 4 [pid 6253] <... close resumed>) = 0 [pid 6252] <... close resumed>) = 0 [pid 6250] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 6260] close(3 [pid 6253] close(5 [pid 6260] <... close resumed>) = 0 [pid 6253] <... close resumed>) = 0 [pid 6260] symlink("/dev/binderfs", "./binderfs" [pid 6253] close(6 [pid 6260] <... symlink resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(5 [pid 6251] <... close resumed>) = 0 [pid 6246] +++ exited with 0 +++ [pid 6260] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] close(7 [pid 6251] close(5 [pid 6260] <... futex resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6260] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6253] close(8 [pid 6260] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6253] close(9 [pid 6260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6253] close(10 [pid 293] umount2("./4688", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6260] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6253] close(11 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] <... mprotect resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6253] close(12 [pid 293] openat(AT_FDCWD, "./4688", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6260] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6253] close(13 [pid 293] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6261 attached [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(3, "", [pid 6261] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6260] <... clone3 resumed> => {parent_tid=[14268]}, 88) = 14268 [pid 6253] close(14 [pid 6261] <... set_robust_list resumed>) = 0 [pid 6260] rt_sigprocmask(SIG_SETMASK, [], [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6261] rt_sigprocmask(SIG_SETMASK, [], [pid 6260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6253] close(15 [pid 293] getdents64(3, [pid 6261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6260] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... futex resumed>) = 0 [pid 6253] close(16 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6261] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6260] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4688/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6261] <... bpf resumed>) = 3 [pid 6253] close(17 [pid 6261] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6261] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 6253] close(18 [pid 293] newfstatat(AT_FDCWD, "./4688/cgroup.cpu", [pid 6261] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] <... futex resumed>) = 0 [pid 6253] close(19 [pid 293] unlink("./4688/cgroup.cpu" [pid 6261] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6260] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... futex resumed>) = 0 [pid 6253] close(20 [pid 293] <... unlink resumed>) = 0 [pid 6260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... bpf resumed>) = 0 [pid 6260] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6253] close(21 [pid 293] umount2("./4688/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6261] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... futex resumed>) = 0 [pid 6260] <... mprotect resumed>) = 0 [pid 6253] close(22 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6261] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4688/binderfs", [pid 6260] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6253] close(23 [pid 6260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6262 attached [pid 6253] close(24 [pid 293] unlink("./4688/binderfs" [pid 6262] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6260] <... clone3 resumed> => {parent_tid=[14269]}, 88) = 14269 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] rt_sigprocmask(SIG_SETMASK, [], [pid 6253] close(25 [pid 293] <... unlink resumed>) = 0 [pid 6262] <... set_robust_list resumed>) = 0 [pid 6260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6262] rt_sigprocmask(SIG_SETMASK, [], [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4688/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6260] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] close(26 [pid 6262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6260] <... futex resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] close(27) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4688/cgroup", [pid 6262] <... bpf resumed>) = 4 [pid 6253] close(28 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6262] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] unlink("./4688/cgroup" [pid 6262] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 6253] close(29 [pid 293] <... unlink resumed>) = 0 [pid 6262] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4688/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6261] <... futex resumed>) = 0 [pid 6260] <... futex resumed>) = 1 [pid 6253] exit_group(0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6261] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6260] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6259] <... futex resumed>) = ? [pid 6256] <... futex resumed>) = ? [pid 6253] <... exit_group resumed>) = ? [pid 293] newfstatat(AT_FDCWD, "./4688/cgroup.net", [pid 6259] +++ exited with 0 +++ [pid 6256] +++ exited with 0 +++ [pid 6253] +++ exited with 0 +++ [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] unlink("./4688/cgroup.net" [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... unlink resumed>) = 0 [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [pid 293] rmdir("./4688" [pid 294] <... restart_syscall resumed>) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 293] mkdir("./4689", 0777) = 0 [pid 294] umount2("./4750", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6263 attached [pid 294] openat(AT_FDCWD, "./4750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13829 [pid 6263] set_robust_list(0x5555568776a0, 24 [pid 294] <... openat resumed>) = 3 [pid 6263] <... set_robust_list resumed>) = 0 [pid 294] newfstatat(3, "", [pid 6263] chdir("./4689" [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6263] <... chdir resumed>) = 0 [pid 294] getdents64(3, [pid 6263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6263] setpgid(0, 0) = 0 [pid 294] umount2("./4750/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] <... symlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4750/cgroup.cpu", [pid 6263] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6263] <... symlink resumed>) = 0 [pid 6263] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 294] unlink("./4750/cgroup.cpu" [pid 6263] <... symlink resumed>) = 0 [pid 6263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] <... unlink resumed>) = 0 [pid 6263] <... openat resumed>) = 3 [pid 294] umount2("./4750/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] write(3, "1000", 4 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] <... write resumed>) = 4 [pid 294] newfstatat(AT_FDCWD, "./4750/binderfs", [pid 6263] close(3 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6263] <... close resumed>) = 0 [pid 294] unlink("./4750/binderfs" [pid 6263] symlink("/dev/binderfs", "./binderfs" [pid 294] <... unlink resumed>) = 0 [pid 6263] <... symlink resumed>) = 0 [pid 294] umount2("./4750/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 294] newfstatat(AT_FDCWD, "./4750/cgroup", [pid 6263] <... rt_sigaction resumed>NULL, 8) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 294] unlink("./4750/cgroup" [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] <... unlink resumed>) = 0 [pid 6263] <... mmap resumed>) = 0x7fd4ce11b000 [pid 294] umount2("./4750/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] <... mprotect resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4750/cgroup.net", [pid 6263] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 294] unlink("./4750/cgroup.net"./strace-static-x86_64: Process 6264 attached [pid 6264] set_robust_list(0x7fd4ce13b9a0, 24) = 0 [pid 6263] <... clone3 resumed> => {parent_tid=[13830]}, 88) = 13830 [pid 294] <... unlink resumed>) = 0 [pid 6264] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] rt_sigprocmask(SIG_SETMASK, [], [pid 294] getdents64(3, [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6264] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] close(3 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = 0 [pid 6252] <... close resumed>) = 0 [pid 6251] <... close resumed>) = 0 [pid 6264] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6263] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] close(6 [pid 6251] close(6 [pid 294] <... close resumed>) = 0 [pid 6264] <... bpf resumed>) = 3 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] rmdir("./4750" [pid 6264] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] close(7 [pid 6251] close(7 [pid 6264] <... futex resumed>) = 1 [pid 6264] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] <... futex resumed>) = 0 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... rmdir resumed>) = 0 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] close(8 [pid 6251] close(8 [pid 294] mkdir("./4751", 0777 [pid 6264] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 1 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 6263] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] close(9 [pid 6251] close(9 [pid 294] <... mkdir resumed>) = 0 [pid 6264] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... futex resumed>) = 0 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6264] <... futex resumed>) = 0 [pid 6263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6252] close(10 [pid 6251] close(10 [pid 6264] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6265 attached [pid 6263] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] set_robust_list(0x5555568776a0, 24 [pid 6263] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6252] close(11 [pid 6251] close(11 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13989 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6263] <... mprotect resumed>) = 0 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] chdir("./4751") = 0 [pid 6263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6252] close(12 [pid 6251] close(12 [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... prctl resumed>) = 0 [pid 6263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6252] close(13 [pid 6251] close(13 [pid 6265] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6266 attached [pid 6265] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6265] <... symlink resumed>) = 0 [pid 6263] <... clone3 resumed> => {parent_tid=[13831]}, 88) = 13831 [pid 6252] close(14 [pid 6251] close(14 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6263] rt_sigprocmask(SIG_SETMASK, [], [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] rt_sigprocmask(SIG_SETMASK, [], [pid 6265] <... symlink resumed>) = 0 [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] close(15 [pid 6251] close(15 [pid 6266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6265] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6263] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6265] <... symlink resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6252] close(16 [pid 6251] close(16 [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6266] <... bpf resumed>) = 4 [pid 6265] write(3, "1000", 4 [pid 6263] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... write resumed>) = 4 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] close(17 [pid 6251] close(17 [pid 6266] <... futex resumed>) = 0 [pid 6265] close(3 [pid 6263] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... close resumed>) = 0 [pid 6264] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 1 [pid 6252] close(18 [pid 6251] close(18 [pid 6265] symlink("/dev/binderfs", "./binderfs" [pid 6264] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6263] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... symlink resumed>) = 0 [pid 6252] close(19 [pid 6251] close(19 [pid 6265] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... futex resumed>) = 0 [pid 6252] close(20 [pid 6251] close(20 [pid 6265] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6252] close(21 [pid 6251] close(21 [pid 6265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] close(22 [pid 6251] close(22 [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6252] close(23 [pid 6251] close(23 [pid 6265] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... mprotect resumed>) = 0 [pid 6252] close(24 [pid 6251] close(24 [pid 6265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6267 attached [pid 6252] close(25 [pid 6251] close(25 [pid 6267] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6265] <... clone3 resumed> => {parent_tid=[13990]}, 88) = 13990 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... set_robust_list resumed>) = 0 [pid 6265] rt_sigprocmask(SIG_SETMASK, [], [pid 6252] close(26 [pid 6251] close(26 [pid 6267] rt_sigprocmask(SIG_SETMASK, [], [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6265] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] close(27 [pid 6251] close(27 [pid 6267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6265] <... futex resumed>) = 0 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... bpf resumed>) = 3 [pid 6265] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] close(28 [pid 6251] close(28 [pid 6267] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... futex resumed>) = 0 [pid 6265] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] close(29 [pid 6251] close(29 [pid 6267] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6265] <... futex resumed>) = 0 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... bpf resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6252] exit_group(0 [pid 6251] exit_group(0 [pid 6267] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6255] <... futex resumed>) = ? [pid 6251] <... exit_group resumed>) = ? [pid 6257] <... futex resumed>) = ? [pid 6254] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 6267] <... futex resumed>) = 0 [pid 6265] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6258] <... futex resumed>) = ? [pid 6257] +++ exited with 0 +++ [pid 6255] +++ exited with 0 +++ [pid 6252] <... exit_group resumed>) = ? [pid 6265] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6268 attached [pid 6258] +++ exited with 0 +++ [pid 6254] +++ exited with 0 +++ [pid 6251] +++ exited with 0 +++ [pid 6268] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6265] <... clone3 resumed> => {parent_tid=[13991]}, 88) = 13991 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6268] <... set_robust_list resumed>) = 0 [pid 6265] rt_sigprocmask(SIG_SETMASK, [], [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6268] rt_sigprocmask(SIG_SETMASK, [], [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6252] +++ exited with 0 +++ [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6265] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6267] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... futex resumed>) = 0 [pid 6268] <... bpf resumed>) = 4 [pid 6265] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... restart_syscall resumed>) = 0 [pid 6268] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6268] <... futex resumed>) = 0 [pid 6265] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... restart_syscall resumed>) = 0 [pid 6268] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 1 [pid 295] umount2("./4802", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6265] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./4864", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] openat(AT_FDCWD, "./4802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 297] openat(AT_FDCWD, "./4864", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 295] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] getdents64(3, [pid 295] umount2("./4802/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./4864/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4802/cgroup.cpu", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./4864/cgroup.cpu", [pid 295] unlink("./4802/cgroup.cpu" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] unlink("./4864/cgroup.cpu" [pid 295] umount2("./4802/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4802/binderfs", [pid 297] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] umount2("./4864/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4802/binderfs" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4864/binderfs", [pid 295] umount2("./4802/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4864/binderfs" [pid 295] newfstatat(AT_FDCWD, "./4802/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4802/cgroup" [pid 297] <... unlink resumed>) = 0 [pid 297] umount2("./4864/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 6264] <... bpf resumed>) = 5 [pid 6261] <... bpf resumed>) = 5 [pid 6267] <... bpf resumed>) = 5 [pid 6264] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4802/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6267] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6261] <... futex resumed>) = 1 [pid 6260] <... futex resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4864/cgroup", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6267] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = 0 [pid 6264] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] close(3 [pid 6261] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4802/cgroup.net", [pid 6267] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] close(3 [pid 6263] <... close resumed>) = 0 [pid 6260] <... close resumed>) = 0 [pid 297] unlink("./4864/cgroup" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6265] <... close resumed>) = 0 [pid 6263] close(4 [pid 6260] close(4 [pid 295] unlink("./4802/cgroup.net" [pid 6265] close(4 [pid 6263] <... close resumed>) = 0 [pid 6260] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6265] <... close resumed>) = 0 [pid 6263] close(5 [pid 6260] close(5 [pid 297] umount2("./4864/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 6265] close(5 [pid 6263] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6263] close(6 [pid 297] newfstatat(AT_FDCWD, "./4864/cgroup.net", [pid 295] close(3 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... close resumed>) = 0 [pid 6263] close(7 [pid 297] unlink("./4864/cgroup.net" [pid 295] rmdir("./4802" [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 6263] close(8 [pid 297] getdents64(3, [pid 295] mkdir("./4803", 0777 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 6263] close(9 [pid 297] close(3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6269 attached [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 6263] close(10 [pid 297] rmdir("./4864" [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14167 [pid 6269] set_robust_list(0x5555568776a0, 24 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 6269] <... set_robust_list resumed>) = 0 [pid 6263] close(11 [pid 297] mkdir("./4865", 0777 [pid 6269] chdir("./4803" [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] close(12 [pid 6269] <... chdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6269] <... prctl resumed>) = 0 [pid 6263] close(13./strace-static-x86_64: Process 6270 attached [pid 6269] setpgid(0, 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] set_robust_list(0x5555568776a0, 24 [pid 6269] <... setpgid resumed>) = 0 [pid 6263] close(14 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14348 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6270] chdir("./4865" [pid 6269] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... chdir resumed>) = 0 [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6269] <... symlink resumed>) = 0 [pid 6270] setpgid(0, 0 [pid 6263] close(15 [pid 6269] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6270] <... setpgid resumed>) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6269] <... symlink resumed>) = 0 [pid 6263] close(16 [pid 6270] <... symlink resumed>) = 0 [pid 6269] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6269] <... symlink resumed>) = 0 [pid 6263] close(17 [pid 6270] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... symlink resumed>) = 0 [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] <... openat resumed>) = 3 [pid 6263] close(18 [pid 6270] <... openat resumed>) = 3 [pid 6269] write(3, "1000", 4 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] write(3, "1000", 4 [pid 6269] <... write resumed>) = 4 [pid 6270] <... write resumed>) = 4 [pid 6263] close(19 [pid 6269] close(3 [pid 6270] close(3 [pid 6269] <... close resumed>) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... close resumed>) = 0 [pid 6269] symlink("/dev/binderfs", "./binderfs" [pid 6263] close(20 [pid 6270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6269] <... symlink resumed>) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] close(21 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6269] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6263] close(22 [pid 6270] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6263] close(23 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6263] close(24 [pid 6270] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6269] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6269] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6263] close(25 [pid 6270] <... mprotect resumed>) = 0 [pid 6269] <... mprotect resumed>) = 0 [pid 6270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6263] close(26 [pid 6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6271 attached [pid 6269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6263] close(27 [pid 6271] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6270] <... clone3 resumed> => {parent_tid=[14349]}, 88) = 14349 ./strace-static-x86_64: Process 6272 attached [pid 6271] <... set_robust_list resumed>) = 0 [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6271] rt_sigprocmask(SIG_SETMASK, [], [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6269] <... clone3 resumed> => {parent_tid=[14168]}, 88) = 14168 [pid 6263] close(28 [pid 6272] <... set_robust_list resumed>) = 0 [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] rt_sigprocmask(SIG_SETMASK, [], [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6263] close(29 [pid 6272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] <... bpf resumed>) = 3 [pid 6270] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6271] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] <... futex resumed>) = 0 [pid 6263] exit_group(0 [pid 6272] <... bpf resumed>) = 3 [pid 6271] <... futex resumed>) = 0 [pid 6270] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] <... futex resumed>) = ? [pid 6264] <... futex resumed>) = ? [pid 6263] <... exit_group resumed>) = ? [pid 6272] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] +++ exited with 0 +++ [pid 6264] +++ exited with 0 +++ [pid 6272] <... futex resumed>) = 0 [pid 6270] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] <... futex resumed>) = 0 [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6270] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6263] +++ exited with 0 +++ [pid 6270] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6271] <... bpf resumed>) = 0 [pid 6270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6269] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6273 attached [pid 6272] <... futex resumed>) = 0 [pid 6271] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... futex resumed>) = 1 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6273] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6272] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6271] <... futex resumed>) = 0 [pid 6269] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 6273] <... set_robust_list resumed>) = 0 [pid 6272] <... bpf resumed>) = 0 [pid 6271] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] <... clone3 resumed> => {parent_tid=[14350]}, 88) = 14350 [pid 6269] <... futex resumed>) = 0 [pid 293] <... restart_syscall resumed>) = 0 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], [pid 6272] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6272] <... futex resumed>) = 0 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6269] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6273] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6270] <... futex resumed>) = 0 [pid 6269] <... mprotect resumed>) = 0 [pid 293] umount2("./4689", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6273] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6270] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] <... bpf resumed>) = 4 [pid 6269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] openat(AT_FDCWD, "./4689", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6273] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 293] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6274 attached [pid 6273] <... futex resumed>) = 1 [pid 293] newfstatat(3, "", [pid 6274] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6273] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] <... futex resumed>) = 0 [pid 6269] <... clone3 resumed> => {parent_tid=[14169]}, 88) = 14169 [pid 6274] <... set_robust_list resumed>) = 0 [pid 6270] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6274] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 1 [pid 6269] rt_sigprocmask(SIG_SETMASK, [], [pid 293] getdents64(3, [pid 6274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6270] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] <... futex resumed>) = 0 [pid 6274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 293] umount2("./4689/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6274] <... bpf resumed>) = 4 [pid 6269] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... close resumed>) = 0 [pid 6274] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... close resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6274] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] close(6 [pid 6260] close(6 [pid 293] newfstatat(AT_FDCWD, "./4689/cgroup.cpu", [pid 6274] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6272] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 1 [pid 6265] close(7 [pid 6260] close(7 [pid 293] unlink("./4689/cgroup.cpu" [pid 6272] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6269] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(8 [pid 293] <... unlink resumed>) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(8 [pid 293] umount2("./4689/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6265] close(9 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(9 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] close(10 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4689/binderfs", [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(10 [pid 6265] close(11 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(11 [pid 293] unlink("./4689/binderfs" [pid 6265] close(12 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(12 [pid 293] <... unlink resumed>) = 0 [pid 6265] close(13 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4689/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(13 [pid 6265] close(14 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(14 [pid 293] newfstatat(AT_FDCWD, "./4689/cgroup", [pid 6265] close(15 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(15 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6265] close(16 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] unlink("./4689/cgroup" [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(16 [pid 293] <... unlink resumed>) = 0 [pid 6265] close(17 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4689/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(17 [pid 6265] close(18 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(19 [pid 6260] close(18 [pid 293] newfstatat(AT_FDCWD, "./4689/cgroup.net", [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6265] close(20 [pid 6260] close(19 [pid 293] unlink("./4689/cgroup.net" [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... unlink resumed>) = 0 [pid 6265] close(21 [pid 6260] close(20 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] getdents64(3, [pid 6265] close(22 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(21 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6265] close(23 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] close(3 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(22 [pid 6265] close(24 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... close resumed>) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(23 [pid 293] rmdir("./4689" [pid 6265] close(25 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(24 [pid 293] <... rmdir resumed>) = 0 [pid 6265] close(26 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] mkdir("./4690", 0777 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] close(25 [pid 293] <... mkdir resumed>) = 0 [pid 6265] close(27 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6265] close(28 [pid 6260] close(26./strace-static-x86_64: Process 6275 attached [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] set_robust_list(0x5555568776a0, 24 [pid 6265] close(29 [pid 6260] close(27 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13832 [pid 6275] <... set_robust_list resumed>) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] chdir("./4690" [pid 6265] exit_group(0 [pid 6260] close(28 [pid 6275] <... chdir resumed>) = 0 [pid 6268] <... futex resumed>) = ? [pid 6267] <... futex resumed>) = ? [pid 6265] <... exit_group resumed>) = ? [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] +++ exited with 0 +++ [pid 6275] <... prctl resumed>) = 0 [pid 6275] setpgid(0, 0) = 0 [pid 6275] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6267] +++ exited with 0 +++ [pid 6265] +++ exited with 0 +++ [pid 6260] close(29 [pid 6275] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6275] <... symlink resumed>) = 0 [pid 6275] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6260] exit_group(0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6275] <... symlink resumed>) = 0 [pid 6261] <... futex resumed>) = ? [pid 6275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6262] <... futex resumed>) = ? [pid 6260] <... exit_group resumed>) = ? [pid 294] <... restart_syscall resumed>) = 0 [pid 6275] <... openat resumed>) = 3 [pid 6262] +++ exited with 0 +++ [pid 6261] +++ exited with 0 +++ [pid 6275] write(3, "1000", 4) = 4 [pid 6275] close(3) = 0 [pid 6260] +++ exited with 0 +++ [pid 6275] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6275] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14267, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6275] <... futex resumed>) = 0 [pid 6275] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 294] umount2("./4751", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] <... rt_sigaction resumed>NULL, 8) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 6275] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 296] umount2("./4830", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] openat(AT_FDCWD, "./4751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6275] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... openat resumed>) = 3 [pid 6275] <... mprotect resumed>) = 0 [pid 296] openat(AT_FDCWD, "./4830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6275] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... openat resumed>) = 3 [pid 294] newfstatat(3, "", [pid 6275] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] newfstatat(3, "", [pid 6275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6276 attached [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, [pid 6276] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6275] <... clone3 resumed> => {parent_tid=[13833]}, 88) = 13833 [pid 296] getdents64(3, [pid 6276] <... set_robust_list resumed>) = 0 [pid 6275] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6276] rt_sigprocmask(SIG_SETMASK, [], [pid 6275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4751/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6275] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4830/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6276] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6275] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6276] <... bpf resumed>) = 3 [pid 6275] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] newfstatat(AT_FDCWD, "./4830/cgroup.cpu", [pid 294] newfstatat(AT_FDCWD, "./4751/cgroup.cpu", [pid 6276] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6276] <... futex resumed>) = 0 [pid 6275] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4830/cgroup.cpu" [pid 6276] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6275] <... futex resumed>) = 0 [pid 294] unlink("./4751/cgroup.cpu" [pid 6275] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... unlink resumed>) = 0 [pid 6275] <... futex resumed>) = 0 [pid 6275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 294] <... unlink resumed>) = 0 [pid 6275] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6276] <... bpf resumed>) = 0 [pid 6275] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] umount2("./4830/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4751/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6276] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6276] <... futex resumed>) = 0 [pid 6275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] newfstatat(AT_FDCWD, "./4830/binderfs", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6277 attached [pid 6276] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4751/binderfs", [pid 6277] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6275] <... clone3 resumed> => {parent_tid=[13834]}, 88) = 13834 [pid 296] unlink("./4830/binderfs" [pid 6277] <... set_robust_list resumed>) = 0 [pid 6275] rt_sigprocmask(SIG_SETMASK, [], [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4751/binderfs" [pid 6277] rt_sigprocmask(SIG_SETMASK, [], [pid 296] umount2("./4830/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... unlink resumed>) = 0 [pid 6277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4751/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] <... futex resumed>) = 0 [pid 6275] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... bpf resumed>) = 4 [pid 296] newfstatat(AT_FDCWD, "./4830/cgroup", [pid 6277] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... futex resumed>) = 1 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4751/cgroup", [pid 6277] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] <... futex resumed>) = 0 [pid 296] unlink("./4830/cgroup" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6275] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4751/cgroup" [pid 6276] <... futex resumed>) = 0 [pid 296] umount2("./4830/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 294] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6276] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 294] umount2("./4751/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4830/cgroup.net", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4751/cgroup.net", [pid 296] unlink("./4830/cgroup.net" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] unlink("./4751/cgroup.net" [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... unlink resumed>) = 0 [pid 296] close(3 [pid 294] getdents64(3, [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./4830" [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 294] close(3 [pid 296] mkdir("./4831", 0777 [pid 294] <... close resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 6272] <... bpf resumed>) = 5 [pid 6271] <... bpf resumed>) = 5 [pid 6276] <... bpf resumed>) = 5 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] rmdir("./4751" [pid 6276] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 1 [pid 6272] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6278 attached [pid 6278] set_robust_list(0x5555568776a0, 24) = 0 [pid 294] <... rmdir resumed>) = 0 [pid 6278] chdir("./4831" [pid 6276] <... futex resumed>) = 1 [pid 6275] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 1 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14270 [pid 294] mkdir("./4752", 0777 [pid 6278] <... chdir resumed>) = 0 [pid 6276] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] close(3 [pid 6271] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] close(3 [pid 6269] close(3 [pid 6278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6278] setpgid(0, 0) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 6278] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6275] <... close resumed>) = 0 [pid 6270] <... close resumed>) = 0 [pid 6269] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6278] <... symlink resumed>) = 0 [pid 6275] close(4 [pid 6270] close(4 [pid 6269] close(4 [pid 6278] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"./strace-static-x86_64: Process 6279 attached ) = 0 [pid 6275] <... close resumed>) = 0 [pid 6269] <... close resumed>) = 0 [pid 6279] set_robust_list(0x5555568776a0, 24 [pid 6278] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6275] close(5 [pid 6270] <... close resumed>) = 0 [pid 6269] close(5 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13992 [pid 6279] <... set_robust_list resumed>) = 0 [pid 6278] <... symlink resumed>) = 0 [pid 6275] <... close resumed>) = 0 [pid 6270] close(5 [pid 6278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] <... close resumed>) = 0 [pid 6279] chdir("./4752" [pid 6278] <... openat resumed>) = 3 [pid 6275] close(6 [pid 6270] <... close resumed>) = 0 [pid 6269] close(6 [pid 6279] <... chdir resumed>) = 0 [pid 6278] write(3, "1000", 4 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6278] <... write resumed>) = 4 [pid 6270] close(6 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] close(7 [pid 6279] <... prctl resumed>) = 0 [pid 6278] close(3 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(7 [pid 6279] setpgid(0, 0 [pid 6278] <... close resumed>) = 0 [pid 6275] close(8 [pid 6270] close(7 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... setpgid resumed>) = 0 [pid 6278] symlink("/dev/binderfs", "./binderfs" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(8 [pid 6279] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6278] <... symlink resumed>) = 0 [pid 6275] close(9 [pid 6270] close(8 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... symlink resumed>) = 0 [pid 6278] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(9 [pid 6279] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6278] <... futex resumed>) = 0 [pid 6275] close(10 [pid 6270] close(9 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6279] <... symlink resumed>) = 0 [pid 6278] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(10 [pid 6279] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6275] close(11 [pid 6270] close(10 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6279] <... symlink resumed>) = 0 [pid 6278] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6278] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] close(12 [pid 6269] close(11 [pid 6278] <... mprotect resumed>) = 0 [pid 6279] <... openat resumed>) = 3 [pid 6278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(11 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] write(3, "1000", 4 [pid 6278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6275] close(13 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(12 [pid 6279] <... write resumed>) = 4 [pid 6278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(12 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6280 attached [pid 6279] close(3 [pid 6275] close(14 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(13 [pid 6280] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6279] <... close resumed>) = 0 [pid 6278] <... clone3 resumed> => {parent_tid=[14271]}, 88) = 14271 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(13 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... set_robust_list resumed>) = 0 [pid 6279] symlink("/dev/binderfs", "./binderfs" [pid 6278] rt_sigprocmask(SIG_SETMASK, [], [pid 6275] close(15 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(14 [pid 6280] rt_sigprocmask(SIG_SETMASK, [], [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] <... symlink resumed>) = 0 [pid 6278] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(14 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6279] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 0 [pid 6275] close(16 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(15 [pid 6280] <... bpf resumed>) = 3 [pid 6279] <... futex resumed>) = 0 [pid 6278] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(15 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] close(17 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(16 [pid 6280] <... futex resumed>) = 0 [pid 6279] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6278] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(16 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6278] <... futex resumed>) = 0 [pid 6275] close(18 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(17 [pid 6278] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6280] <... bpf resumed>) = 0 [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(17 [pid 6280] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6278] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6275] close(19 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... futex resumed>) = 0 [pid 6279] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6278] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(18 [pid 6269] close(18 [pid 6280] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6278] <... mprotect resumed>) = 0 [pid 6275] close(20 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... mprotect resumed>) = 0 [pid 6278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(19 [pid 6269] close(19 [pid 6279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6275] close(21 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(20 [pid 6269] close(20./strace-static-x86_64: Process 6281 attached [pid 6279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6275] close(22 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6278] <... clone3 resumed> => {parent_tid=[14272]}, 88) = 14272 ./strace-static-x86_64: Process 6282 attached [pid 6281] <... set_robust_list resumed>) = 0 [pid 6278] rt_sigprocmask(SIG_SETMASK, [], [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(21 [pid 6269] close(21 [pid 6282] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6281] rt_sigprocmask(SIG_SETMASK, [], [pid 6279] <... clone3 resumed> => {parent_tid=[13993]}, 88) = 13993 [pid 6275] close(23 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] <... set_robust_list resumed>) = 0 [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] rt_sigprocmask(SIG_SETMASK, [], [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(22 [pid 6269] close(22 [pid 6282] rt_sigprocmask(SIG_SETMASK, [], [pid 6281] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6275] close(24 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(23 [pid 6269] close(23 [pid 6282] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6279] <... futex resumed>) = 0 [pid 6278] <... futex resumed>) = 0 [pid 6275] close(25 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] <... bpf resumed>) = 3 [pid 6278] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6281] <... bpf resumed>) = 4 [pid 6279] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(24 [pid 6269] close(24 [pid 6282] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] close(26 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... futex resumed>) = 1 [pid 6279] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(25 [pid 6269] close(25 [pid 6282] <... futex resumed>) = 0 [pid 6281] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] <... futex resumed>) = 1 [pid 6278] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] close(27 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6280] <... futex resumed>) = 0 [pid 6279] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 1 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(26 [pid 6269] close(26 [pid 6282] <... bpf resumed>) = 0 [pid 6280] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6279] <... futex resumed>) = 0 [pid 6278] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6275] close(28 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(27 [pid 6269] close(27 [pid 6282] <... futex resumed>) = 0 [pid 6279] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6275] close(29 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(28 [pid 6269] close(28 [pid 6279] <... mprotect resumed>) = 0 [pid 6275] exit_group(0 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6270] close(29 [pid 6269] close(29 [pid 6276] <... futex resumed>) = ? [pid 6279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6277] <... futex resumed>) = ? [pid 6275] <... exit_group resumed>) = ? [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6277] +++ exited with 0 +++ [pid 6276] +++ exited with 0 +++ [pid 6275] +++ exited with 0 +++ [pid 6270] exit_group(0 [pid 6269] exit_group(0 [pid 6273] <... futex resumed>) = ? [pid 6271] <... futex resumed>) = ? [pid 6270] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6283 attached [pid 6274] <... futex resumed>) = ? [pid 6273] +++ exited with 0 +++ [pid 6272] <... futex resumed>) = ? [pid 6271] +++ exited with 0 +++ [pid 6269] <... exit_group resumed>) = ? [pid 6283] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6274] +++ exited with 0 +++ [pid 6272] +++ exited with 0 +++ [pid 6283] <... set_robust_list resumed>) = 0 [pid 6283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6283] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] +++ exited with 0 +++ [pid 6279] <... clone3 resumed> => {parent_tid=[13994]}, 88) = 13994 [pid 6279] rt_sigprocmask(SIG_SETMASK, [], [pid 6269] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14167, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6280] <... bpf resumed>) = 5 [pid 6279] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6283] <... futex resumed>) = 0 [pid 6280] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... futex resumed>) = 1 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... restart_syscall resumed>) = 0 [pid 293] umount2("./4690", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6280] <... futex resumed>) = 1 [pid 6279] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... futex resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] <... bpf resumed>) = 4 [pid 6280] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] close(3 [pid 293] openat(AT_FDCWD, "./4690", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6283] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... close resumed>) = 0 [pid 297] umount2("./4865", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4803", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... openat resumed>) = 3 [pid 6283] <... futex resumed>) = 1 [pid 6279] <... futex resumed>) = 0 [pid 6278] close(4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(3, "", [pid 6283] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... close resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4865", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./4803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6279] <... futex resumed>) = 1 [pid 6278] close(5 [pid 297] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 293] getdents64(3, [pid 6282] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6279] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6278] <... close resumed>) = 0 [pid 297] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6278] close(6 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] umount2("./4690/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] close(7 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] newfstatat(AT_FDCWD, "./4690/cgroup.cpu", [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4865/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4803/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6278] close(8 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4690/cgroup.cpu" [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4865/cgroup.cpu", [pid 295] newfstatat(AT_FDCWD, "./4803/cgroup.cpu", [pid 293] <... unlink resumed>) = 0 [pid 6278] close(9 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4690/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4865/cgroup.cpu" [pid 295] unlink("./4803/cgroup.cpu" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] close(10 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4690/binderfs", [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4865/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4803/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6278] close(11 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4690/binderfs" [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4865/binderfs", [pid 295] newfstatat(AT_FDCWD, "./4803/binderfs", [pid 293] <... unlink resumed>) = 0 [pid 6278] close(12 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4690/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4865/binderfs" [pid 295] unlink("./4803/binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] close(13 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4690/cgroup", [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4865/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4803/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6278] close(14 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4690/cgroup" [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4865/cgroup", [pid 295] newfstatat(AT_FDCWD, "./4803/cgroup", [pid 293] <... unlink resumed>) = 0 [pid 6278] close(15 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4690/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4865/cgroup" [pid 295] unlink("./4803/cgroup" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] close(16 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4690/cgroup.net", [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4865/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4803/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6278] close(17 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4690/cgroup.net" [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4865/cgroup.net", [pid 295] newfstatat(AT_FDCWD, "./4803/cgroup.net", [pid 293] <... unlink resumed>) = 0 [pid 6278] close(18 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] getdents64(3, [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4865/cgroup.net" [pid 295] unlink("./4803/cgroup.net" [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6278] close(19 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 293] close(3 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 293] <... close resumed>) = 0 [pid 6278] close(20 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] rmdir("./4690" [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] close(3 [pid 295] close(3 [pid 293] <... rmdir resumed>) = 0 [pid 6278] close(21 [pid 297] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 293] mkdir("./4691", 0777 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4865" [pid 295] rmdir("./4803" [pid 293] <... mkdir resumed>) = 0 [pid 6278] close(22 [pid 297] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] mkdir("./4866", 0777 [pid 295] mkdir("./4804", 0777./strace-static-x86_64: Process 6284 attached [pid 6278] close(23 [pid 297] <... mkdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13835 [pid 6284] set_robust_list(0x5555568776a0, 24 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6286 attached ./strace-static-x86_64: Process 6285 attached [pid 6284] <... set_robust_list resumed>) = 0 [pid 6278] close(24 [pid 6286] set_robust_list(0x5555568776a0, 24 [pid 6285] set_robust_list(0x5555568776a0, 24 [pid 6284] chdir("./4691" [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14170 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14351 [pid 6286] <... set_robust_list resumed>) = 0 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6284] <... chdir resumed>) = 0 [pid 6278] close(25 [pid 6286] chdir("./4804" [pid 6285] chdir("./4866" [pid 6284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... chdir resumed>) = 0 [pid 6285] <... chdir resumed>) = 0 [pid 6284] <... prctl resumed>) = 0 [pid 6278] close(26 [pid 6286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6284] setpgid(0, 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... prctl resumed>) = 0 [pid 6285] <... prctl resumed>) = 0 [pid 6284] <... setpgid resumed>) = 0 [pid 6278] close(27 [pid 6286] setpgid(0, 0 [pid 6285] setpgid(0, 0) = 0 [pid 6286] <... setpgid resumed>) = 0 [pid 6285] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6284] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6285] <... symlink resumed>) = 0 [pid 6285] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6284] <... symlink resumed>) = 0 [pid 6278] close(28 [pid 6286] <... symlink resumed>) = 0 [pid 6285] <... symlink resumed>) = 0 [pid 6284] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6285] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6284] <... symlink resumed>) = 0 [pid 6278] close(29 [pid 6286] <... symlink resumed>) = 0 [pid 6285] <... symlink resumed>) = 0 [pid 6284] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6286] <... symlink resumed>) = 0 [pid 6285] <... openat resumed>) = 3 [pid 6284] <... symlink resumed>) = 0 [pid 6278] exit_group(0 [pid 6286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] write(3, "1000", 4 [pid 6284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] <... futex resumed>) = ? [pid 6286] <... openat resumed>) = 3 [pid 6285] <... write resumed>) = 4 [pid 6281] <... futex resumed>) = ? [pid 6278] <... exit_group resumed>) = ? [pid 6285] close(3 [pid 6284] <... openat resumed>) = 3 [pid 6281] +++ exited with 0 +++ [pid 6280] +++ exited with 0 +++ [pid 6285] <... close resumed>) = 0 [pid 6285] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6285] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] +++ exited with 0 +++ [pid 6286] write(3, "1000", 4 [pid 6285] <... futex resumed>) = 0 [pid 6284] write(3, "1000", 4 [pid 6286] <... write resumed>) = 4 [pid 6285] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6286] close(3 [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6284] <... write resumed>) = 4 [pid 6282] <... bpf resumed>) = 5 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6286] <... close resumed>) = 0 [pid 6285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6284] close(3 [pid 6282] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 6286] symlink("/dev/binderfs", "./binderfs" [pid 6285] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6284] <... close resumed>) = 0 [pid 6282] <... futex resumed>) = 1 [pid 6279] <... futex resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 6286] <... symlink resumed>) = 0 [pid 6285] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6284] symlink("/dev/binderfs", "./binderfs" [pid 6282] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] close(3 [pid 6286] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... mprotect resumed>) = 0 [pid 6279] <... close resumed>) = 0 [pid 6286] <... futex resumed>) = 0 [pid 6285] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6284] <... symlink resumed>) = 0 [pid 6279] close(4 [pid 6286] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6285] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6284] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = 0 [pid 296] umount2("./4831", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6286] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6284] <... futex resumed>) = 0 [pid 6279] close(5 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6287 attached [pid 6286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6284] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6279] <... close resumed>) = 0 [pid 296] openat(AT_FDCWD, "./4831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6287] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6285] <... clone3 resumed> => {parent_tid=[14352]}, 88) = 14352 [pid 6284] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6279] close(6 [pid 296] <... openat resumed>) = 3 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6285] rt_sigprocmask(SIG_SETMASK, [], [pid 6284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(3, "", [pid 6287] rt_sigprocmask(SIG_SETMASK, [], [pid 6286] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] close(7 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6286] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6285] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6286] <... mprotect resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6284] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6279] close(8 [pid 296] getdents64(3, [pid 6287] <... bpf resumed>) = 3 [pid 6286] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6285] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6284] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... mprotect resumed>) = 0 [pid 6279] close(9 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6287] <... futex resumed>) = 0 [pid 6286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6285] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6288 attached [pid 6287] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6285] <... futex resumed>) = 0 [pid 6279] close(10 [pid 6284] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] umount2("./4831/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6288] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6287] <... bpf resumed>) = 0 [pid 6286] <... clone3 resumed> => {parent_tid=[14171]}, 88) = 14171 [pid 6285] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6288] <... set_robust_list resumed>) = 0 [pid 6287] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] rt_sigprocmask(SIG_SETMASK, [], [pid 6285] <... futex resumed>) = 0 [pid 6284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6279] close(11 [pid 296] newfstatat(AT_FDCWD, "./4831/cgroup.cpu", ./strace-static-x86_64: Process 6289 attached [pid 6288] rt_sigprocmask(SIG_SETMASK, [], [pid 6287] <... futex resumed>) = 0 [pid 6286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6289] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6287] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6284] <... clone3 resumed> => {parent_tid=[13836]}, 88) = 13836 [pid 6279] close(12 [pid 296] unlink("./4831/cgroup.cpu" [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6286] <... futex resumed>) = 0 [pid 6285] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6284] rt_sigprocmask(SIG_SETMASK, [], [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] rt_sigprocmask(SIG_SETMASK, [], [pid 6288] <... bpf resumed>) = 3 [pid 6286] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] <... mprotect resumed>) = 0 [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] close(13 [pid 296] <... unlink resumed>) = 0 [pid 6289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6288] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6284] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4831/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6289] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6288] <... futex resumed>) = 0 [pid 6286] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6284] <... futex resumed>) = 0 [pid 6279] close(14 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6289] <... bpf resumed>) = 3 [pid 6288] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6286] <... futex resumed>) = 0 [pid 6285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6284] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(AT_FDCWD, "./4831/binderfs", ./strace-static-x86_64: Process 6290 attached [pid 6289] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... bpf resumed>) = 0 [pid 6286] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] close(15 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6290] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6289] <... futex resumed>) = 0 [pid 6288] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = 0 [pid 6285] <... clone3 resumed> => {parent_tid=[14353]}, 88) = 14353 [pid 6284] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4831/binderfs" [pid 6290] <... set_robust_list resumed>) = 0 [pid 6289] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6288] <... futex resumed>) = 0 [pid 6286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6285] rt_sigprocmask(SIG_SETMASK, [], [pid 6284] <... futex resumed>) = 0 [pid 6279] close(16 [pid 6290] rt_sigprocmask(SIG_SETMASK, [], [pid 6289] <... bpf resumed>) = 0 [pid 6288] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6284] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 6290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6289] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6285] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = 0 [pid 6279] close(17 [pid 296] umount2("./4831/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6289] <... futex resumed>) = 0 [pid 6286] <... mprotect resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6289] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] close(18) = -1 EBADF (Bad file descriptor) [pid 6279] close(19) = -1 EBADF (Bad file descriptor) [pid 6279] close(20 [pid 6290] <... bpf resumed>) = 4 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6284] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6279] close(21 [pid 296] newfstatat(AT_FDCWD, "./4831/cgroup", [pid 6290] <... futex resumed>) = 1 [pid 6286] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6284] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6290] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6285] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... mprotect resumed>) = 0 [pid 6279] close(22 [pid 296] unlink("./4831/cgroup"./strace-static-x86_64: Process 6291 attached [pid 6285] <... futex resumed>) = 1 [pid 6284] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6287] <... futex resumed>) = 0 [pid 6285] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6284] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6286] <... clone3 resumed> => {parent_tid=[14172]}, 88) = 14172 [pid 6279] close(23 [pid 296] <... unlink resumed>) = 0 [pid 6291] <... set_robust_list resumed>) = 0 [pid 6287] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6286] rt_sigprocmask(SIG_SETMASK, [], [pid 6284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4831/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6291] rt_sigprocmask(SIG_SETMASK, [], [pid 6286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] close(24./strace-static-x86_64: Process 6292 attached [pid 6291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6286] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6292] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6286] <... futex resumed>) = 0 [pid 6284] <... clone3 resumed> => {parent_tid=[13837]}, 88) = 13837 [pid 6279] close(25 [pid 296] newfstatat(AT_FDCWD, "./4831/cgroup.net", [pid 6292] <... set_robust_list resumed>) = 0 [pid 6291] <... bpf resumed>) = 4 [pid 6286] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6284] rt_sigprocmask(SIG_SETMASK, [], [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] rt_sigprocmask(SIG_SETMASK, [], [pid 6291] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] close(26 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6286] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4831/cgroup.net" [pid 6292] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6291] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] <... futex resumed>) = 0 [pid 6286] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = 0 [pid 6279] close(27 [pid 6292] <... bpf resumed>) = 4 [pid 6288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6286] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6284] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 6292] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] close(28 [pid 296] getdents64(3, [pid 6292] <... futex resumed>) = 0 [pid 6284] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] <... futex resumed>) = 0 [pid 6284] <... futex resumed>) = 1 [pid 6279] close(29 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6289] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6284] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] close(3 [pid 6279] exit_group(0 [pid 6283] <... futex resumed>) = ? [pid 6282] <... futex resumed>) = ? [pid 6279] <... exit_group resumed>) = ? [pid 296] <... close resumed>) = 0 [pid 6283] +++ exited with 0 +++ [pid 6282] +++ exited with 0 +++ [pid 6279] +++ exited with 0 +++ [pid 296] rmdir("./4831") = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] mkdir("./4832", 0777 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6293 attached [pid 294] <... restart_syscall resumed>) = 0 [pid 6293] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14273 [pid 6293] <... set_robust_list resumed>) = 0 [pid 6293] chdir("./4832") = 0 [pid 294] umount2("./4752", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6293] setpgid(0, 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] <... setpgid resumed>) = 0 [pid 6293] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6289] <... bpf resumed>) = 5 [pid 6288] <... bpf resumed>) = 5 [pid 6287] <... bpf resumed>) = 5 [pid 294] openat(AT_FDCWD, "./4752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6293] <... symlink resumed>) = 0 [pid 6289] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6289] <... futex resumed>) = 1 [pid 6288] <... futex resumed>) = 1 [pid 6287] <... futex resumed>) = 1 [pid 6286] <... futex resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6284] <... futex resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 6293] <... symlink resumed>) = 0 [pid 6289] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] close(3 [pid 6285] close(3 [pid 6284] close(3 [pid 294] newfstatat(3, "", [pid 6293] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6286] <... close resumed>) = 0 [pid 6285] <... close resumed>) = 0 [pid 6284] <... close resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6293] <... symlink resumed>) = 0 [pid 6286] close(4 [pid 6285] close(4 [pid 6284] close(4 [pid 294] getdents64(3, [pid 6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6286] <... close resumed>) = 0 [pid 6285] <... close resumed>) = 0 [pid 6284] <... close resumed>) = 0 [pid 6293] <... openat resumed>) = 3 [pid 6286] close(5 [pid 6285] close(5 [pid 6284] close(5 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6293] write(3, "1000", 4 [pid 6286] <... close resumed>) = 0 [pid 6293] <... write resumed>) = 4 [pid 294] umount2("./4752/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6293] close(3 [pid 6286] close(6 [pid 6293] <... close resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] symlink("/dev/binderfs", "./binderfs" [pid 6286] close(7 [pid 294] newfstatat(AT_FDCWD, "./4752/cgroup.cpu", [pid 6293] <... symlink resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] close(8 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4752/cgroup.cpu" [pid 6293] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6286] close(9 [pid 6293] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] umount2("./4752/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6293] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6286] close(10 [pid 6293] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] <... mprotect resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4752/binderfs", [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6286] close(11 [pid 6293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4752/binderfs"./strace-static-x86_64: Process 6294 attached [pid 6286] close(12 [pid 6293] <... clone3 resumed> => {parent_tid=[14274]}, 88) = 14274 [pid 6294] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6293] rt_sigprocmask(SIG_SETMASK, [], [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 6294] <... set_robust_list resumed>) = 0 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6286] close(13 [pid 294] umount2("./4752/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6286] close(14 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6294] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4752/cgroup", [pid 6294] <... bpf resumed>) = 3 [pid 6286] close(15 [pid 6294] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6294] <... futex resumed>) = 1 [pid 6293] <... futex resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4752/cgroup" [pid 6294] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] close(16 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6293] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] umount2("./4752/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6293] <... futex resumed>) = 0 [pid 6286] close(17 [pid 6294] <... bpf resumed>) = 0 [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6286] close(18 [pid 294] newfstatat(AT_FDCWD, "./4752/cgroup.net", [pid 6294] <... futex resumed>) = 0 [pid 6293] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6294] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] <... mprotect resumed>) = 0 [pid 6286] close(19 [pid 294] unlink("./4752/cgroup.net" [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6295 attached [pid 6286] close(20 [pid 294] <... unlink resumed>) = 0 [pid 6295] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6293] <... clone3 resumed> => {parent_tid=[14275]}, 88) = 14275 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] getdents64(3, [pid 6295] <... set_robust_list resumed>) = 0 [pid 6293] rt_sigprocmask(SIG_SETMASK, [], [pid 6286] close(21 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6295] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] close(3 [pid 6295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] close(22 [pid 294] <... close resumed>) = 0 [pid 6295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] rmdir("./4752" [pid 6293] <... futex resumed>) = 0 [pid 6293] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] <... bpf resumed>) = 4 [pid 6286] close(23) = -1 EBADF (Bad file descriptor) [pid 294] <... rmdir resumed>) = 0 [pid 6295] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] close(24 [pid 294] mkdir("./4753", 0777 [pid 6295] <... futex resumed>) = 1 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] <... futex resumed>) = 0 [pid 6293] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 0 [pid 6293] <... futex resumed>) = 1 [pid 6294] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6293] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6295] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] close(25 [pid 294] <... mkdir resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6286] close(26./strace-static-x86_64: Process 6296 attached ) = -1 EBADF (Bad file descriptor) [pid 6296] set_robust_list(0x5555568776a0, 24 [pid 6286] close(27 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13995 [pid 6296] <... set_robust_list resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] chdir("./4753" [pid 6286] close(28 [pid 6296] <... chdir resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6286] close(29 [pid 6296] <... prctl resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] setpgid(0, 0) = 0 [pid 6286] exit_group(0 [pid 6296] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6291] <... futex resumed>) = ? [pid 6288] <... futex resumed>) = ? [pid 6286] <... exit_group resumed>) = ? [pid 6296] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6291] +++ exited with 0 +++ [pid 6288] +++ exited with 0 +++ [pid 6296] <... symlink resumed>) = 0 [pid 6296] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6286] +++ exited with 0 +++ [pid 6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6296] <... openat resumed>) = 3 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6296] write(3, "1000", 4) = 4 [pid 6296] close(3) = 0 [pid 6296] symlink("/dev/binderfs", "./binderfs") = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 6296] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6296] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 295] umount2("./4804", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 295] openat(AT_FDCWD, "./4804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 295] <... openat resumed>) = 3 [pid 6296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] newfstatat(3, "", ./strace-static-x86_64: Process 6297 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6297] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6296] <... clone3 resumed> => {parent_tid=[13996]}, 88) = 13996 [pid 6297] <... set_robust_list resumed>) = 0 [pid 6296] rt_sigprocmask(SIG_SETMASK, [], [pid 295] getdents64(3, [pid 6297] rt_sigprocmask(SIG_SETMASK, [], [pid 6296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6296] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6297] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6296] <... futex resumed>) = 0 [pid 6297] <... bpf resumed>) = 3 [pid 6296] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] umount2("./4804/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6297] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... futex resumed>) = 0 [pid 6296] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6297] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6296] <... futex resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4804/cgroup.cpu", [pid 6296] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6297] <... bpf resumed>) = 0 [pid 6297] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6297] <... futex resumed>) = 0 [pid 6296] <... mprotect resumed>) = 0 [pid 295] unlink("./4804/cgroup.cpu" [pid 6297] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6298 attached [pid 295] umount2("./4804/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6298] set_robust_list(0x7fd4ce11a9a0, 24 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... set_robust_list resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4804/binderfs", [pid 6298] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6296] <... clone3 resumed> => {parent_tid=[13997]}, 88) = 13997 [pid 6298] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 295] unlink("./4804/binderfs" [pid 6296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6296] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = 1 [pid 295] <... unlink resumed>) = 0 [pid 6298] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6296] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... bpf resumed>) = 4 [pid 6285] <... close resumed>) = 0 [pid 6284] <... close resumed>) = 0 [pid 295] umount2("./4804/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6298] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] close(6 [pid 6284] close(6 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(AT_FDCWD, "./4804/cgroup", [pid 6298] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] close(7 [pid 6284] close(7 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6297] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = 1 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] unlink("./4804/cgroup" [pid 6297] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6296] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6285] close(8 [pid 6284] close(8 [pid 295] <... unlink resumed>) = 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(9 [pid 295] umount2("./4804/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6285] close(9 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(10 [pid 295] newfstatat(AT_FDCWD, "./4804/cgroup.net", [pid 6285] close(10 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(11 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6285] close(11 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] unlink("./4804/cgroup.net" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(12 [pid 6285] close(12 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(13 [pid 295] getdents64(3, [pid 6285] close(13 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(14 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6285] close(14 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] close(3 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(15 [pid 6285] close(15 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... close resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(16 [pid 295] rmdir("./4804" [pid 6285] close(16 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... rmdir resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(17 [pid 295] mkdir("./4805", 0777 [pid 6285] close(17 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... mkdir resumed>) = 0 [pid 6284] close(18 [pid 6285] close(18 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(19./strace-static-x86_64: Process 6299 attached [pid 6285] close(19 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] set_robust_list(0x5555568776a0, 24 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(20 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14173 [pid 6299] <... set_robust_list resumed>) = 0 [pid 6285] close(20 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] chdir("./4805" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(21 [pid 6299] <... chdir resumed>) = 0 [pid 6285] close(21 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(22 [pid 6299] <... prctl resumed>) = 0 [pid 6285] close(22 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] setpgid(0, 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(23 [pid 6299] <... setpgid resumed>) = 0 [pid 6285] close(23 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(24 [pid 6299] <... symlink resumed>) = 0 [pid 6285] close(24 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(25 [pid 6299] <... symlink resumed>) = 0 [pid 6285] close(25 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(26 [pid 6299] <... symlink resumed>) = 0 [pid 6285] close(26 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(27 [pid 6299] <... openat resumed>) = 3 [pid 6285] close(27 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] write(3, "1000", 4 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(28 [pid 6299] <... write resumed>) = 4 [pid 6299] close(3 [pid 6285] close(28 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(29 [pid 6299] symlink("/dev/binderfs", "./binderfs" [pid 6285] close(29 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... symlink resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] exit_group(0 [pid 6299] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = ? [pid 6285] exit_group(0 [pid 6284] <... exit_group resumed>) = ? [pid 6292] <... futex resumed>) = ? [pid 6299] <... futex resumed>) = 0 [pid 6289] +++ exited with 0 +++ [pid 6299] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6299] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6292] +++ exited with 0 +++ [pid 6284] +++ exited with 0 +++ [pid 6287] <... futex resumed>) = ? [pid 6290] <... futex resumed>) = ? [pid 6285] <... exit_group resumed>) = ? [pid 6299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6287] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6290] +++ exited with 0 +++ [pid 6299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 6299] <... clone3 resumed> => {parent_tid=[14174]}, 88) = 14174 [pid 6299] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6300 attached NULL, 8) = 0 [pid 6285] +++ exited with 0 +++ [pid 6299] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6300] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6299] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... restart_syscall resumed>) = 0 [pid 6300] <... set_robust_list resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6300] rt_sigprocmask(SIG_SETMASK, [], [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] umount2("./4691", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6300] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6300] <... bpf resumed>) = 3 [pid 293] openat(AT_FDCWD, "./4691", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... restart_syscall resumed>) = 0 [pid 6300] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... openat resumed>) = 3 [pid 6300] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 293] newfstatat(3, "", [pid 6300] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] <... futex resumed>) = 0 [pid 297] umount2("./4866", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 6300] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6299] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6299] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4866", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6300] <... bpf resumed>) = 0 [pid 293] umount2("./4691/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6300] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] <... openat resumed>) = 3 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6300] <... futex resumed>) = 0 [pid 6299] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 297] newfstatat(3, "", [pid 293] newfstatat(AT_FDCWD, "./4691/cgroup.cpu", [pid 6300] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6299] <... mprotect resumed>) = 0 [pid 297] getdents64(3, [pid 293] unlink("./4691/cgroup.cpu" [pid 6299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... unlink resumed>) = 0 [pid 6299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] umount2("./4866/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4691/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6301 attached [pid 297] newfstatat(AT_FDCWD, "./4866/cgroup.cpu", [pid 293] newfstatat(AT_FDCWD, "./4691/binderfs", [pid 6301] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6299] <... clone3 resumed> => {parent_tid=[14175]}, 88) = 14175 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6301] <... set_robust_list resumed>) = 0 [pid 6299] rt_sigprocmask(SIG_SETMASK, [], [pid 297] unlink("./4866/cgroup.cpu" [pid 293] unlink("./4691/binderfs" [pid 6301] rt_sigprocmask(SIG_SETMASK, [], [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... unlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6299] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4866/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4691/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6299] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] newfstatat(AT_FDCWD, "./4691/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4691/cgroup") = 0 [pid 293] umount2("./4691/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6301] <... bpf resumed>) = 4 [pid 297] newfstatat(AT_FDCWD, "./4866/binderfs", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] newfstatat(AT_FDCWD, "./4691/cgroup.net", [pid 6301] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 297] unlink("./4866/binderfs" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6301] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] unlink("./4691/cgroup.net" [pid 297] <... unlink resumed>) = 0 [pid 6300] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = 1 [pid 297] umount2("./4866/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 6300] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6299] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] getdents64(3, [pid 297] newfstatat(AT_FDCWD, "./4866/cgroup", [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] close(3 [pid 297] unlink("./4866/cgroup" [pid 293] <... close resumed>) = 0 [pid 293] rmdir("./4691" [pid 297] <... unlink resumed>) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 297] umount2("./4866/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] mkdir("./4692", 0777 [pid 6294] <... bpf resumed>) = 5 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... mkdir resumed>) = 0 [pid 6300] <... bpf resumed>) = 5 [pid 6297] <... bpf resumed>) = 5 [pid 6294] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] newfstatat(AT_FDCWD, "./4866/cgroup.net", [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6300] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 1 [pid 6293] <... futex resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6302 attached [pid 6300] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 6294] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] close(3 [pid 297] unlink("./4866/cgroup.net" [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13838 [pid 6302] set_robust_list(0x5555568776a0, 24 [pid 6300] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] close(3 [pid 6297] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] close(3 [pid 6293] <... close resumed>) = 0 [pid 6302] <... set_robust_list resumed>) = 0 [pid 6299] <... close resumed>) = 0 [pid 6296] <... close resumed>) = 0 [pid 6293] close(4 [pid 297] <... unlink resumed>) = 0 [pid 6302] chdir("./4692" [pid 6299] close(4 [pid 6296] close(4 [pid 6293] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 6302] <... chdir resumed>) = 0 [pid 6299] <... close resumed>) = 0 [pid 6296] <... close resumed>) = 0 [pid 6293] close(5 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6299] close(5 [pid 6296] close(5 [pid 6293] <... close resumed>) = 0 [pid 297] close(3 [pid 6302] <... prctl resumed>) = 0 [pid 6293] close(6) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 6302] setpgid(0, 0 [pid 6293] close(7 [pid 297] rmdir("./4866" [pid 6302] <... setpgid resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] close(8) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 6293] close(9 [pid 6302] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] close(10 [pid 297] mkdir("./4867", 0777 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... symlink resumed>) = 0 [pid 6293] close(11) = -1 EBADF (Bad file descriptor) [pid 6293] close(12) = -1 EBADF (Bad file descriptor) [pid 6293] close(13) = -1 EBADF (Bad file descriptor) [pid 6293] close(14) = -1 EBADF (Bad file descriptor) [pid 6293] close(15 [pid 6302] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... mkdir resumed>) = 0 [pid 6293] close(16) = -1 EBADF (Bad file descriptor) [pid 6293] close(17) = -1 EBADF (Bad file descriptor) [pid 6293] close(18 [pid 6302] <... symlink resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6302] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6293] close(19) = -1 EBADF (Bad file descriptor) [pid 6293] close(20) = -1 EBADF (Bad file descriptor) [pid 6293] close(21) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6303 attached [pid 6293] close(22 [pid 6303] set_robust_list(0x5555568776a0, 24 [pid 6302] <... symlink resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... set_robust_list resumed>) = 0 [pid 6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6293] close(23 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14354 [pid 6303] chdir("./4867" [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... openat resumed>) = 3 [pid 6303] <... chdir resumed>) = 0 [pid 6302] write(3, "1000", 4 [pid 6293] close(24 [pid 6303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6302] <... write resumed>) = 4 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... prctl resumed>) = 0 [pid 6302] close(3 [pid 6293] close(25 [pid 6303] setpgid(0, 0 [pid 6302] <... close resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... setpgid resumed>) = 0 [pid 6302] symlink("/dev/binderfs", "./binderfs" [pid 6293] close(26 [pid 6303] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... symlink resumed>) = 0 [pid 6302] <... symlink resumed>) = 0 [pid 6293] close(27 [pid 6303] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6302] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... symlink resumed>) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6293] close(28 [pid 6303] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6302] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... symlink resumed>) = 0 [pid 6302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6293] close(29 [pid 6303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... openat resumed>) = 3 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] exit_group(0 [pid 6303] write(3, "1000", 4 [pid 6302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6295] <... futex resumed>) = ? [pid 6294] <... futex resumed>) = ? [pid 6293] <... exit_group resumed>) = ? [pid 6303] <... write resumed>) = 4 [pid 6302] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6303] close(3 [pid 6295] +++ exited with 0 +++ [pid 6294] +++ exited with 0 +++ [pid 6303] <... close resumed>) = 0 [pid 6303] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6303] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6303] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6293] +++ exited with 0 +++ [pid 6303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6302] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6303] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6302] <... mprotect resumed>) = 0 [pid 6303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6304 attached [pid 6302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6304] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6303] <... clone3 resumed> => {parent_tid=[14355]}, 88) = 14355 [pid 6302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 6304] <... set_robust_list resumed>) = 0 [pid 6303] rt_sigprocmask(SIG_SETMASK, [], [pid 6302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 296] <... restart_syscall resumed>) = 0 [pid 6304] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6305 attached [pid 6304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6303] <... futex resumed>) = 0 [pid 6305] <... set_robust_list resumed>) = 0 [pid 6304] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6303] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] <... clone3 resumed> => {parent_tid=[13839]}, 88) = 13839 [pid 6305] rt_sigprocmask(SIG_SETMASK, [], [pid 6304] <... bpf resumed>) = 3 [pid 6302] rt_sigprocmask(SIG_SETMASK, [], [pid 6305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6304] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] umount2("./4832", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6305] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 [pid 6302] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6304] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6305] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... futex resumed>) = 0 [pid 6302] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] openat(AT_FDCWD, "./4832", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6305] <... bpf resumed>) = 3 [pid 6304] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6303] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... openat resumed>) = 3 [pid 6305] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = 1 [pid 6304] <... bpf resumed>) = 0 [pid 6303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6302] <... futex resumed>) = 0 [pid 296] newfstatat(3, "", [pid 6305] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6302] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6304] <... futex resumed>) = 0 [pid 6303] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6302] <... futex resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6305] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6304] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] <... mprotect resumed>) = 0 [pid 6302] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] getdents64(3, [pid 6305] <... bpf resumed>) = 0 [pid 6303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6302] <... futex resumed>) = 0 [pid 6305] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6305] <... futex resumed>) = 0 [pid 6303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6302] <... mmap resumed>) = 0x7fd4ce0fa000 ./strace-static-x86_64: Process 6306 attached [pid 6305] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] umount2("./4832/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6306] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6302] <... mprotect resumed>) = 0 [pid 6306] <... set_robust_list resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] rt_sigprocmask(SIG_SETMASK, [], [pid 6302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] newfstatat(AT_FDCWD, "./4832/cgroup.cpu", [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] <... clone3 resumed> => {parent_tid=[14356]}, 88) = 14356 [pid 6302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6306] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] unlink("./4832/cgroup.cpu"./strace-static-x86_64: Process 6307 attached [pid 6303] rt_sigprocmask(SIG_SETMASK, [], [pid 6307] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... unlink resumed>) = 0 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6307] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... clone3 resumed> => {parent_tid=[13840]}, 88) = 13840 [pid 296] umount2("./4832/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6302] rt_sigprocmask(SIG_SETMASK, [], [pid 6307] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6302] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(AT_FDCWD, "./4832/binderfs", [pid 6303] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] <... bpf resumed>) = 4 [pid 6307] <... futex resumed>) = 0 [pid 6302] <... futex resumed>) = 1 [pid 6307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6306] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6307] <... bpf resumed>) = 4 [pid 6306] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 [pid 296] unlink("./4832/binderfs" [pid 6307] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 1 [pid 6307] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] <... futex resumed>) = 0 [pid 6303] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6302] <... futex resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 6304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6302] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4832/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6305] <... futex resumed>) = 0 [pid 6302] <... futex resumed>) = 1 [pid 6305] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6299] <... close resumed>) = 0 [pid 6296] <... close resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4832/cgroup", [pid 6299] close(6 [pid 6296] close(6 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6299] close(7 [pid 6296] close(7 [pid 296] unlink("./4832/cgroup" [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(8 [pid 6296] close(8 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 6299] close(9 [pid 6296] close(9 [pid 296] umount2("./4832/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(10 [pid 6296] close(10 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] newfstatat(AT_FDCWD, "./4832/cgroup.net", [pid 6299] close(11 [pid 6296] close(11 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6299] close(12 [pid 6296] close(12 [pid 296] unlink("./4832/cgroup.net" [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(13 [pid 6296] close(13 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 6299] close(14 [pid 6296] close(14 [pid 296] getdents64(3, [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6299] close(15 [pid 6296] close(15 [pid 296] close(3 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... close resumed>) = 0 [pid 6299] close(16 [pid 6296] close(16 [pid 296] rmdir("./4832" [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(17 [pid 6296] close(17 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(18 [pid 6296] close(18 [pid 296] <... rmdir resumed>) = 0 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] mkdir("./4833", 0777 [pid 6299] close(19 [pid 6296] close(19 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(20 [pid 6296] close(20 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(21 [pid 6296] close(21 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... mkdir resumed>) = 0 [pid 6299] close(22 [pid 6296] close(22 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(23 [pid 6296] close(23 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(24 [pid 6296] close(24 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(25 [pid 6296] close(25./strace-static-x86_64: Process 6308 attached [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14276 [pid 6308] set_robust_list(0x5555568776a0, 24 [pid 6299] close(26 [pid 6296] close(26 [pid 6308] <... set_robust_list resumed>) = 0 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] chdir("./4833" [pid 6299] close(27 [pid 6296] close(27 [pid 6308] <... chdir resumed>) = 0 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6299] close(28 [pid 6296] close(28 [pid 6308] <... prctl resumed>) = 0 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] setpgid(0, 0 [pid 6299] close(29 [pid 6296] close(29 [pid 6308] <... setpgid resumed>) = 0 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] exit_group(0 [pid 6296] exit_group(0 [pid 6308] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6301] <... futex resumed>) = ? [pid 6300] <... futex resumed>) = ? [pid 6299] <... exit_group resumed>) = ? [pid 6298] <... futex resumed>) = ? [pid 6297] <... futex resumed>) = ? [pid 6296] <... exit_group resumed>) = ? [pid 6308] <... symlink resumed>) = 0 [pid 6300] +++ exited with 0 +++ [pid 6298] +++ exited with 0 +++ [pid 6301] +++ exited with 0 +++ [pid 6299] +++ exited with 0 +++ [pid 6297] +++ exited with 0 +++ [pid 6296] +++ exited with 0 +++ [pid 6308] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6308] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6308] <... symlink resumed>) = 0 [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] <... restart_syscall resumed>) = 0 [pid 6308] <... openat resumed>) = 3 [pid 6308] write(3, "1000", 4) = 4 [pid 295] <... restart_syscall resumed>) = 0 [pid 6308] close(3 [pid 294] umount2("./4753", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6308] <... close resumed>) = 0 [pid 294] openat(AT_FDCWD, "./4753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6308] symlink("/dev/binderfs", "./binderfs" [pid 294] <... openat resumed>) = 3 [pid 6308] <... symlink resumed>) = 0 [pid 295] umount2("./4805", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(3, "", [pid 6308] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6308] <... futex resumed>) = 0 [pid 295] openat(AT_FDCWD, "./4805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6308] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 294] getdents64(3, [pid 6308] <... rt_sigaction resumed>NULL, 8) = 0 [pid 295] <... openat resumed>) = 3 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 295] newfstatat(3, "", [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] umount2("./4753/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6308] <... mmap resumed>) = 0x7fd4ce11b000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 295] getdents64(3, [pid 294] newfstatat(AT_FDCWD, "./4753/cgroup.cpu", [pid 6308] <... mprotect resumed>) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] umount2("./4805/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4753/cgroup.cpu" [pid 6308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4805/cgroup.cpu", [pid 294] <... unlink resumed>) = 0 [pid 6308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4753/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6309 attached [pid 6309] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6308] <... clone3 resumed> => {parent_tid=[14277]}, 88) = 14277 [pid 295] unlink("./4805/cgroup.cpu" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6309] <... set_robust_list resumed>) = 0 [pid 6308] rt_sigprocmask(SIG_SETMASK, [], [pid 6309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4753/binderfs", [pid 6309] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] umount2("./4805/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 1 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4753/binderfs" [pid 6309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6308] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] newfstatat(AT_FDCWD, "./4805/binderfs", [pid 6309] <... bpf resumed>) = 3 [pid 294] <... unlink resumed>) = 0 [pid 6309] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4753/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6309] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 295] unlink("./4805/binderfs" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6309] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 295] <... unlink resumed>) = 0 [pid 6309] <... bpf resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 295] umount2("./4805/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4753/cgroup", [pid 6309] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6309] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4805/cgroup", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6308] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4753/cgroup" [pid 6309] <... bpf resumed>) = 4 [pid 295] unlink("./4805/cgroup" [pid 6309] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6309] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 295] umount2("./4805/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4753/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6309] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 1 [pid 295] newfstatat(AT_FDCWD, "./4805/cgroup.net", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6308] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4753/cgroup.net", [pid 295] unlink("./4805/cgroup.net" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] unlink("./4753/cgroup.net" [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] <... unlink resumed>) = 0 [pid 295] close(3 [pid 294] getdents64(3, [pid 295] <... close resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] rmdir("./4805" [pid 294] close(3 [pid 295] <... rmdir resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 295] mkdir("./4806", 0777 [pid 294] rmdir("./4753" [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... rmdir resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14176 ./strace-static-x86_64: Process 6310 attached [pid 294] mkdir("./4754", 0777 [pid 6310] set_robust_list(0x5555568776a0, 24) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 6310] chdir("./4806" [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6310] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6311 attached [pid 6310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6311] set_robust_list(0x5555568776a0, 24 [pid 6310] <... prctl resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 13998 [pid 6311] <... set_robust_list resumed>) = 0 [pid 6310] setpgid(0, 0 [pid 6311] chdir("./4754" [pid 6310] <... setpgid resumed>) = 0 [pid 6311] <... chdir resumed>) = 0 [pid 6311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6310] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6311] setpgid(0, 0) = 0 [pid 6309] <... bpf resumed>) = 5 [pid 6305] <... bpf resumed>) = 5 [pid 6304] <... bpf resumed>) = 5 [pid 6311] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6310] <... symlink resumed>) = 0 [pid 6309] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... symlink resumed>) = 0 [pid 6310] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6309] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6311] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6310] <... symlink resumed>) = 0 [pid 6309] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] close(3 [pid 6305] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] close(3 [pid 6302] close(3 [pid 6311] <... symlink resumed>) = 0 [pid 6310] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6308] <... close resumed>) = 0 [pid 6303] <... close resumed>) = 0 [pid 6302] <... close resumed>) = 0 [pid 6311] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6303] close(4 [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6308] close(4 [pid 6303] <... close resumed>) = 0 [pid 6302] close(4 [pid 6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6308] <... close resumed>) = 0 [pid 6303] close(5 [pid 6311] <... openat resumed>) = 3 [pid 6310] <... openat resumed>) = 3 [pid 6308] close(5 [pid 6303] <... close resumed>) = 0 [pid 6302] <... close resumed>) = 0 [pid 6311] write(3, "1000", 4 [pid 6310] write(3, "1000", 4 [pid 6303] close(6 [pid 6302] close(5 [pid 6311] <... write resumed>) = 4 [pid 6310] <... write resumed>) = 4 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(3 [pid 6310] close(3 [pid 6303] close(7 [pid 6311] <... close resumed>) = 0 [pid 6310] <... close resumed>) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] symlink("/dev/binderfs", "./binderfs" [pid 6310] symlink("/dev/binderfs", "./binderfs" [pid 6303] close(8 [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] close(9 [pid 6311] <... futex resumed>) = 0 [pid 6310] <... futex resumed>) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6310] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6303] close(10 [pid 6311] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6303] close(11 [pid 6311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6303] close(12 [pid 6311] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6310] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6310] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6303] close(13 [pid 6311] <... mprotect resumed>) = 0 [pid 6310] <... mprotect resumed>) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6303] close(14 [pid 6311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6303] close(15./strace-static-x86_64: Process 6312 attached [pid 6310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6311] <... clone3 resumed> => {parent_tid=[13999]}, 88) = 13999 [pid 6303] close(16./strace-static-x86_64: Process 6313 attached [pid 6312] <... set_robust_list resumed>) = 0 [pid 6311] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6312] rt_sigprocmask(SIG_SETMASK, [], [pid 6311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6310] <... clone3 resumed> => {parent_tid=[14177]}, 88) = 14177 [pid 6303] close(17 [pid 6313] <... set_robust_list resumed>) = 0 [pid 6312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6311] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] rt_sigprocmask(SIG_SETMASK, [], [pid 6312] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6311] <... futex resumed>) = 0 [pid 6310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] close(18 [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6312] <... bpf resumed>) = 3 [pid 6311] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6312] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] <... futex resumed>) = 0 [pid 6303] close(19 [pid 6313] <... bpf resumed>) = 3 [pid 6312] <... futex resumed>) = 0 [pid 6311] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6311] <... futex resumed>) = 0 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] close(20 [pid 6313] <... futex resumed>) = 0 [pid 6311] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6312] <... bpf resumed>) = 0 [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] close(21 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6310] <... futex resumed>) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6312] <... futex resumed>) = 0 [pid 6311] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6310] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] close(22 [pid 6313] <... bpf resumed>) = 0 [pid 6312] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6310] <... futex resumed>) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... mprotect resumed>) = 0 [pid 6310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6303] close(23 [pid 6313] <... futex resumed>) = 0 [pid 6311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6310] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6310] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6303] close(24 [pid 6311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6310] <... mprotect resumed>) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6314 attached [pid 6310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6303] close(25 [pid 6314] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6311] <... clone3 resumed> => {parent_tid=[14000]}, 88) = 14000 [pid 6310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... set_robust_list resumed>) = 0 [pid 6311] rt_sigprocmask(SIG_SETMASK, [], [pid 6310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6303] close(26 [pid 6314] rt_sigprocmask(SIG_SETMASK, [], [pid 6311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6315 attached [pid 6314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6311] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] close(27 [pid 6315] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6311] <... futex resumed>) = 0 [pid 6310] <... clone3 resumed> => {parent_tid=[14178]}, 88) = 14178 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... set_robust_list resumed>) = 0 [pid 6311] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] close(28 [pid 6315] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] close(29 [pid 6315] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6314] <... bpf resumed>) = 4 [pid 6310] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] exit_group(0 [pid 6314] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... futex resumed>) = ? [pid 6304] <... futex resumed>) = ? [pid 6303] <... exit_group resumed>) = ? [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 1 [pid 6306] +++ exited with 0 +++ [pid 6304] +++ exited with 0 +++ [pid 6303] +++ exited with 0 +++ [pid 6315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6312] <... futex resumed>) = 0 [pid 6311] <... futex resumed>) = 1 [pid 6310] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6315] <... bpf resumed>) = 4 [pid 6312] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6311] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6315] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6310] <... futex resumed>) = 0 [pid 6315] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = 0 [pid 6310] <... futex resumed>) = 1 [pid 6313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6310] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] umount2("./4867", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4867", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4867/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4867/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4867/cgroup.cpu") = 0 [pid 297] umount2("./4867/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4867/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4867/binderfs") = 0 [pid 297] umount2("./4867/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4867/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4867/cgroup") = 0 [pid 297] umount2("./4867/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4867/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4867/cgroup.net") = 0 [pid 297] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./4867") = 0 [pid 297] mkdir("./4868", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6316 attached [pid 6316] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14357 [pid 6316] <... set_robust_list resumed>) = 0 [pid 6316] chdir("./4868") = 0 [pid 6316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6316] setpgid(0, 0) = 0 [pid 6316] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6316] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6316] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6316] write(3, "1000", 4) = 4 [pid 6316] close(3) = 0 [pid 6316] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6316] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6316] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6316] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6316] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6317 attached [pid 6317] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6316] <... clone3 resumed> => {parent_tid=[14358]}, 88) = 14358 [pid 6317] <... set_robust_list resumed>) = 0 [pid 6316] rt_sigprocmask(SIG_SETMASK, [], [pid 6317] rt_sigprocmask(SIG_SETMASK, [], [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6316] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6316] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6317] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6316] <... futex resumed>) = 0 [pid 6317] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] <... futex resumed>) = 0 [pid 6317] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6316] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6316] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6317] <... bpf resumed>) = 0 [pid 6317] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6317] <... futex resumed>) = 0 [pid 6316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6317] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6318 attached [pid 6318] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 6316] <... clone3 resumed> => {parent_tid=[14359]}, 88) = 14359 [pid 6318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6316] rt_sigprocmask(SIG_SETMASK, [], [pid 6318] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6316] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6318] <... futex resumed>) = 0 [pid 6316] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] <... close resumed>) = 0 [pid 6318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6302] <... close resumed>) = 0 [pid 6308] close(6 [pid 6302] close(6 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(7 [pid 6302] close(7 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(8 [pid 6302] close(8 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... bpf resumed>) = 4 [pid 6308] close(9 [pid 6302] close(9 [pid 6318] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... futex resumed>) = 1 [pid 6316] <... futex resumed>) = 0 [pid 6308] close(10 [pid 6302] close(10 [pid 6316] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... futex resumed>) = 0 [pid 6316] <... futex resumed>) = 1 [pid 6308] close(11 [pid 6302] close(11 [pid 6317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6316] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(12 [pid 6302] close(12 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(13 [pid 6302] close(13 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(14 [pid 6302] close(14 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(15 [pid 6302] close(15 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(16 [pid 6302] close(16 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(17 [pid 6302] close(17 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(18 [pid 6302] close(18 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(19 [pid 6302] close(19 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(20 [pid 6302] close(20 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(21 [pid 6302] close(21 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(22 [pid 6302] close(22 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(23 [pid 6302] close(23 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(24 [pid 6302] close(24 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(25 [pid 6302] close(25 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(26 [pid 6302] close(26 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(27 [pid 6302] close(27 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(28 [pid 6302] close(28 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(29 [pid 6302] close(29 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] exit_group(0 [pid 6302] exit_group(0 [pid 6309] <... futex resumed>) = ? [pid 6308] <... exit_group resumed>) = ? [pid 6305] <... futex resumed>) = ? [pid 6302] <... exit_group resumed>) = ? [pid 6307] <... futex resumed>) = ? [pid 6305] +++ exited with 0 +++ [pid 6309] +++ exited with 0 +++ [pid 6308] +++ exited with 0 +++ [pid 6307] +++ exited with 0 +++ [pid 6302] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 293] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 293] umount2("./4692", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... restart_syscall resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4692", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] umount2("./4833", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] openat(AT_FDCWD, "./4833", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] umount2("./4692/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4692/cgroup.cpu", [pid 296] <... openat resumed>) = 3 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(3, "", [pid 293] unlink("./4692/cgroup.cpu" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 293] umount2("./4692/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] newfstatat(AT_FDCWD, "./4692/binderfs", [pid 296] umount2("./4833/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4692/binderfs" [pid 296] newfstatat(AT_FDCWD, "./4833/cgroup.cpu", [pid 293] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4692/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4833/cgroup.cpu" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4692/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4692/cgroup" [pid 296] <... unlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 296] umount2("./4833/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4692/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4692/cgroup.net", [pid 296] newfstatat(AT_FDCWD, "./4833/binderfs", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4692/cgroup.net" [pid 296] unlink("./4833/binderfs" [pid 293] <... unlink resumed>) = 0 [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3 [pid 296] <... unlink resumed>) = 0 [pid 293] <... close resumed>) = 0 [pid 296] umount2("./4833/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] rmdir("./4692" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... rmdir resumed>) = 0 [pid 293] mkdir("./4693", 0777 [pid 296] newfstatat(AT_FDCWD, "./4833/cgroup", [pid 293] <... mkdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6319 attached [pid 296] unlink("./4833/cgroup" [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13841 [pid 6319] set_robust_list(0x5555568776a0, 24 [pid 296] <... unlink resumed>) = 0 [pid 6319] <... set_robust_list resumed>) = 0 [pid 296] umount2("./4833/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] chdir("./4693" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] <... chdir resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4833/cgroup.net", [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6319] <... prctl resumed>) = 0 [pid 296] unlink("./4833/cgroup.net" [pid 6319] setpgid(0, 0) = 0 [pid 296] <... unlink resumed>) = 0 [pid 6319] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 296] getdents64(3, [pid 6319] <... symlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6319] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 296] close(3 [pid 6319] <... symlink resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 6319] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 296] rmdir("./4833" [pid 6319] <... symlink resumed>) = 0 [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... rmdir resumed>) = 0 [pid 6319] <... openat resumed>) = 3 [pid 296] mkdir("./4834", 0777 [pid 6319] write(3, "1000", 4) = 4 [pid 296] <... mkdir resumed>) = 0 [pid 6319] close(3 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6319] <... close resumed>) = 0 ./strace-static-x86_64: Process 6320 attached [pid 6319] symlink("/dev/binderfs", "./binderfs" [pid 6320] set_robust_list(0x5555568776a0, 24) = 0 [pid 6320] chdir("./4834" [pid 6319] <... symlink resumed>) = 0 [pid 6320] <... chdir resumed>) = 0 [pid 6319] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14278 [pid 6320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6319] <... futex resumed>) = 0 [pid 6320] <... prctl resumed>) = 0 [pid 6320] setpgid(0, 0) = 0 [pid 6319] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6320] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6319] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6320] <... symlink resumed>) = 0 [pid 6319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6320] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] <... symlink resumed>) = 0 [pid 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6320] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6319] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6319] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6320] <... openat resumed>) = 3 [pid 6320] write(3, "1000", 4) = 4 [pid 6319] <... mprotect resumed>) = 0 [pid 6320] close(3) = 0 [pid 6320] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6319] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6320] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6320] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, ./strace-static-x86_64: Process 6321 attached NULL, 8) = 0 [pid 6321] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6319] <... clone3 resumed> => {parent_tid=[13842]}, 88) = 13842 [pid 6321] <... set_robust_list resumed>) = 0 [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6319] rt_sigprocmask(SIG_SETMASK, [], [pid 6321] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] <... mprotect resumed>) = 0 [pid 6320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6319] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6319] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6322 attached [pid 6321] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6322] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6321] <... bpf resumed>) = 3 [pid 6320] <... clone3 resumed> => {parent_tid=[14279]}, 88) = 14279 [pid 6319] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] <... bpf resumed>) = 5 [pid 6322] <... set_robust_list resumed>) = 0 [pid 6321] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] rt_sigprocmask(SIG_SETMASK, [], [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] <... bpf resumed>) = 5 [pid 6313] <... bpf resumed>) = 5 [pid 6312] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] rt_sigprocmask(SIG_SETMASK, [], [pid 6321] <... futex resumed>) = 0 [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6319] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6320] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... futex resumed>) = 0 [pid 6317] <... futex resumed>) = 1 [pid 6316] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 1 [pid 6312] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] close(3 [pid 6310] <... futex resumed>) = 0 [pid 6322] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6321] <... bpf resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] close(3 [pid 6313] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] <... close resumed>) = 0 [pid 6310] close(3 [pid 6322] <... bpf resumed>) = 3 [pid 6321] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] <... futex resumed>) = 0 [pid 6316] <... close resumed>) = 0 [pid 6311] close(4 [pid 6310] <... close resumed>) = 0 [pid 6322] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6316] close(4 [pid 6311] <... close resumed>) = 0 [pid 6310] close(4 [pid 6322] <... futex resumed>) = 0 [pid 6321] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6316] <... close resumed>) = 0 [pid 6311] close(5 [pid 6310] <... close resumed>) = 0 [pid 6322] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6320] <... futex resumed>) = 0 [pid 6319] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6316] close(5 [pid 6311] <... close resumed>) = 0 [pid 6310] close(5 [pid 6320] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] close(6 [pid 6322] <... bpf resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] <... mprotect resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6319] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6311] close(7 [pid 6322] <... futex resumed>) = 0 [pid 6320] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6319] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6311] close(8 [pid 6320] <... mprotect resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6311] close(9./strace-static-x86_64: Process 6323 attached [pid 6320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6311] close(10 [pid 6323] <... set_robust_list resumed>) = 0 [pid 6319] <... clone3 resumed> => {parent_tid=[13843]}, 88) = 13843 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6324 attached [pid 6323] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] <... clone3 resumed> => {parent_tid=[14280]}, 88) = 14280 [pid 6319] rt_sigprocmask(SIG_SETMASK, [], [pid 6311] close(11 [pid 6324] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] rt_sigprocmask(SIG_SETMASK, [], [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6311] close(12 [pid 6324] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6323] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 1 [pid 6311] close(13 [pid 6324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6320] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] <... bpf resumed>) = 4 [pid 6323] <... bpf resumed>) = 4 [pid 6311] close(14 [pid 6324] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 1 [pid 6320] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 0 [pid 6311] close(15 [pid 6324] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... futex resumed>) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 1 [pid 6311] close(16 [pid 6322] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6321] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6320] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6319] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(17) = -1 EBADF (Bad file descriptor) [pid 6311] close(18) = -1 EBADF (Bad file descriptor) [pid 6311] close(19) = -1 EBADF (Bad file descriptor) [pid 6311] close(20) = -1 EBADF (Bad file descriptor) [pid 6311] close(21) = -1 EBADF (Bad file descriptor) [pid 6311] close(22) = -1 EBADF (Bad file descriptor) [pid 6311] close(23) = -1 EBADF (Bad file descriptor) [pid 6311] close(24) = -1 EBADF (Bad file descriptor) [pid 6311] close(25) = -1 EBADF (Bad file descriptor) [pid 6311] close(26) = -1 EBADF (Bad file descriptor) [pid 6311] close(27) = -1 EBADF (Bad file descriptor) [pid 6311] close(28) = -1 EBADF (Bad file descriptor) [pid 6311] close(29) = -1 EBADF (Bad file descriptor) [pid 6311] exit_group(0 [pid 6314] <... futex resumed>) = ? [pid 6312] <... futex resumed>) = ? [pid 6311] <... exit_group resumed>) = ? [pid 6314] +++ exited with 0 +++ [pid 6312] +++ exited with 0 +++ [pid 6311] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] umount2("./4754", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4754/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4754/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4754/cgroup.cpu") = 0 [pid 294] umount2("./4754/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4754/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4754/binderfs") = 0 [pid 294] umount2("./4754/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4754/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4754/cgroup") = 0 [pid 294] umount2("./4754/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4754/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4754/cgroup.net") = 0 [pid 294] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [pid 294] rmdir("./4754") = 0 [pid 294] mkdir("./4755", 0777) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6325 attached [pid 6325] set_robust_list(0x5555568776a0, 24 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14001 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6325] chdir("./4755") = 0 [pid 6325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6325] setpgid(0, 0) = 0 [pid 6325] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6325] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6325] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6325] write(3, "1000", 4) = 4 [pid 6325] close(3) = 0 [pid 6325] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6325] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6325] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6325] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6326 attached [pid 6326] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6325] <... clone3 resumed> => {parent_tid=[14002]}, 88) = 14002 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] rt_sigprocmask(SIG_SETMASK, [], [pid 6326] rt_sigprocmask(SIG_SETMASK, [], [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6325] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6326] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... close resumed>) = 0 [pid 6310] <... close resumed>) = 0 [pid 6326] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6316] close(6 [pid 6310] close(6 [pid 6326] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 0 [pid 6316] close(7 [pid 6310] close(7 [pid 6326] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6325] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(8 [pid 6310] close(8 [pid 6325] <... futex resumed>) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(9 [pid 6310] close(9 [pid 6326] <... bpf resumed>) = 0 [pid 6325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6316] close(10 [pid 6310] close(10 [pid 6326] <... futex resumed>) = 0 [pid 6325] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] <... mprotect resumed>) = 0 [pid 6316] close(11 [pid 6310] close(11 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6316] close(12 [pid 6310] close(12 [pid 6325] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6316] close(13 [pid 6310] close(13 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6327 attached [pid 6316] close(14 [pid 6310] close(14 [pid 6327] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6325] <... clone3 resumed> => {parent_tid=[14003]}, 88) = 14003 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... set_robust_list resumed>) = 0 [pid 6325] rt_sigprocmask(SIG_SETMASK, [], [pid 6316] close(15 [pid 6310] close(15 [pid 6327] rt_sigprocmask(SIG_SETMASK, [], [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] close(16 [pid 6310] close(16 [pid 6327] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6325] <... futex resumed>) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... bpf resumed>) = 4 [pid 6325] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] close(17 [pid 6310] close(17 [pid 6327] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6316] close(18 [pid 6310] close(18 [pid 6327] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... futex resumed>) = 0 [pid 6325] <... futex resumed>) = 1 [pid 6316] close(19 [pid 6310] close(19 [pid 6326] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6316] close(20 [pid 6310] close(20 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(21 [pid 6310] close(21 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(22 [pid 6310] close(22 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(23 [pid 6310] close(23 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(24 [pid 6310] close(24 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(25 [pid 6310] close(25 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(26 [pid 6310] close(26 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(27 [pid 6310] close(27 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(28 [pid 6310] close(28 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(29 [pid 6310] close(29 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] exit_group(0 [pid 6310] exit_group(0 [pid 6318] <... futex resumed>) = ? [pid 6317] <... futex resumed>) = ? [pid 6316] <... exit_group resumed>) = ? [pid 6313] <... futex resumed>) = 230 [pid 6310] <... exit_group resumed>) = ? [pid 6318] +++ exited with 0 +++ [pid 6317] +++ exited with 0 +++ [pid 6316] +++ exited with 0 +++ [pid 6315] <... futex resumed>) = ? [pid 6313] +++ exited with 0 +++ [pid 6315] +++ exited with 0 +++ [pid 6310] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 297] umount2("./4868", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4868", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 295] <... restart_syscall resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4868/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4806", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4868/cgroup.cpu", [pid 295] openat(AT_FDCWD, "./4806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] unlink("./4868/cgroup.cpu" [pid 295] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] <... unlink resumed>) = 0 [pid 295] umount2("./4806/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] umount2("./4868/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4806/cgroup.cpu", [pid 297] newfstatat(AT_FDCWD, "./4868/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4806/cgroup.cpu") = 0 [pid 295] umount2("./4806/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4868/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4806/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] unlink("./4806/binderfs" [pid 297] umount2("./4868/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... unlink resumed>) = 0 [pid 295] umount2("./4806/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4806/cgroup", [pid 297] newfstatat(AT_FDCWD, "./4868/cgroup", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4806/cgroup" [pid 297] unlink("./4868/cgroup" [pid 295] <... unlink resumed>) = 0 [pid 295] umount2("./4806/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4806/cgroup.net", [pid 297] umount2("./4868/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4806/cgroup.net") = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4806" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./4807", 0777 [pid 297] newfstatat(AT_FDCWD, "./4868/cgroup.net", [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6328 attached [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6328] set_robust_list(0x5555568776a0, 24 [pid 297] unlink("./4868/cgroup.net" [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14179 [pid 6328] <... set_robust_list resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 6328] chdir("./4807" [pid 297] getdents64(3, [pid 6328] <... chdir resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] close(3 [pid 6328] <... prctl resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 6328] setpgid(0, 0 [pid 297] rmdir("./4868" [pid 6328] <... setpgid resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 6328] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 297] mkdir("./4869", 0777 [pid 6328] <... symlink resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 6328] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6328] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6329 attached [pid 6328] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6329] set_robust_list(0x5555568776a0, 24) = 0 [pid 6329] chdir("./4869" [pid 6328] <... symlink resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14360 [pid 6329] <... chdir resumed>) = 0 [pid 6328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6329] setpgid(0, 0) = 0 [pid 6329] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6328] <... openat resumed>) = 3 [pid 6329] <... symlink resumed>) = 0 [pid 6328] write(3, "1000", 4 [pid 6329] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6328] <... write resumed>) = 4 [pid 6329] <... symlink resumed>) = 0 [pid 6329] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6328] close(3 [pid 6329] <... symlink resumed>) = 0 [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6328] <... close resumed>) = 0 [pid 6329] write(3, "1000", 4 [pid 6328] symlink("/dev/binderfs", "./binderfs" [pid 6329] <... write resumed>) = 4 [pid 6329] close(3) = 0 [pid 6329] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6328] <... symlink resumed>) = 0 [pid 6329] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6328] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6328] <... futex resumed>) = 0 [pid 6322] <... bpf resumed>) = 5 [pid 6329] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6328] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6326] <... bpf resumed>) = 5 [pid 6322] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... bpf resumed>) = 5 [pid 6329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6328] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6326] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... futex resumed>) = 1 [pid 6321] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... futex resumed>) = 0 [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6326] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6322] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] close(3 [pid 6321] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6326] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] close(3 [pid 6321] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] <... close resumed>) = 0 [pid 6319] close(3 [pid 6329] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6325] <... close resumed>) = 0 [pid 6320] close(4 [pid 6319] <... close resumed>) = 0 [pid 6329] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6328] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6325] close(4 [pid 6320] <... close resumed>) = 0 [pid 6319] close(4 [pid 6329] <... mprotect resumed>) = 0 [pid 6328] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6325] <... close resumed>) = 0 [pid 6320] close(5 [pid 6319] <... close resumed>) = 0 [pid 6329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6328] <... mprotect resumed>) = 0 [pid 6320] <... close resumed>) = 0 [pid 6325] close(5 [pid 6319] close(5 [pid 6329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6320] close(6 [pid 6329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6330 attached [pid 6328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6320] close(7 [pid 6330] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6329] <... clone3 resumed> => {parent_tid=[14361]}, 88) = 14361 [pid 6328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6331 attached [pid 6330] <... set_robust_list resumed>) = 0 [pid 6329] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] close(8 [pid 6331] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6330] rt_sigprocmask(SIG_SETMASK, [], [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6328] <... clone3 resumed> => {parent_tid=[14180]}, 88) = 14180 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... set_robust_list resumed>) = 0 [pid 6330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6329] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] close(9 [pid 6331] rt_sigprocmask(SIG_SETMASK, [], [pid 6330] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6329] <... futex resumed>) = 0 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6330] <... bpf resumed>) = 3 [pid 6329] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] close(10 [pid 6331] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6330] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6328] <... futex resumed>) = 0 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... bpf resumed>) = 3 [pid 6330] <... futex resumed>) = 0 [pid 6329] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] close(11 [pid 6331] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6329] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... futex resumed>) = 0 [pid 6329] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] close(12 [pid 6331] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] <... bpf resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6328] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6328] <... futex resumed>) = 0 [pid 6320] close(13 [pid 6331] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6330] <... futex resumed>) = 0 [pid 6329] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6328] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... bpf resumed>) = 0 [pid 6330] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6328] <... futex resumed>) = 0 [pid 6320] close(14 [pid 6331] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... mprotect resumed>) = 0 [pid 6328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... futex resumed>) = 0 [pid 6329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6328] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6320] close(15 [pid 6331] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6328] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6328] <... mprotect resumed>) = 0 [pid 6320] close(16./strace-static-x86_64: Process 6332 attached [pid 6328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6329] <... clone3 resumed> => {parent_tid=[14362]}, 88) = 14362 [pid 6328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6320] close(17 [pid 6332] <... set_robust_list resumed>) = 0 [pid 6329] rt_sigprocmask(SIG_SETMASK, [], [pid 6328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] close(18 [pid 6332] rt_sigprocmask(SIG_SETMASK, [], [pid 6329] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... futex resumed>) = 0 [pid 6320] close(19./strace-static-x86_64: Process 6333 attached [pid 6332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6329] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6332] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6328] <... clone3 resumed> => {parent_tid=[14181]}, 88) = 14181 [pid 6320] close(20 [pid 6333] <... set_robust_list resumed>) = 0 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] close(21 [pid 6333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] <... bpf resumed>) = 4 [pid 6328] rt_sigprocmask(SIG_SETMASK, [], [pid 6320] close(22 [pid 6332] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(23) = -1 EBADF (Bad file descriptor) [pid 6320] close(24) = -1 EBADF (Bad file descriptor) [pid 6332] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6320] close(25 [pid 6332] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 1 [pid 6328] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] close(26 [pid 6330] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6329] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = 1 [pid 6320] close(27 [pid 6333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6328] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... bpf resumed>) = 4 [pid 6320] close(28 [pid 6333] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... futex resumed>) = 1 [pid 6328] <... futex resumed>) = 0 [pid 6320] close(29 [pid 6333] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = 1 [pid 6320] exit_group(0 [pid 6331] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6328] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6324] <... futex resumed>) = ? [pid 6322] <... futex resumed>) = ? [pid 6320] <... exit_group resumed>) = ? [pid 6324] +++ exited with 0 +++ [pid 6322] +++ exited with 0 +++ [pid 6320] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./4834", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4834", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4834/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4834/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4834/cgroup.cpu") = 0 [pid 296] umount2("./4834/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4834/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4834/binderfs") = 0 [pid 296] umount2("./4834/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4834/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4834/cgroup") = 0 [pid 296] umount2("./4834/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4834/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4834/cgroup.net") = 0 [pid 296] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./4834") = 0 [pid 296] mkdir("./4835", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6334 attached [pid 6334] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14281 [pid 6334] <... set_robust_list resumed>) = 0 [pid 6334] chdir("./4835") = 0 [pid 6334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6334] setpgid(0, 0) = 0 [pid 6334] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6334] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6334] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6334] write(3, "1000", 4) = 4 [pid 6334] close(3) = 0 [pid 6334] symlink("/dev/binderfs", "./binderfs" [pid 6325] <... close resumed>) = 0 [pid 6319] <... close resumed>) = 0 [pid 6334] <... symlink resumed>) = 0 [pid 6319] close(6 [pid 6334] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... futex resumed>) = 0 [pid 6325] close(6 [pid 6319] close(7 [pid 6334] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6325] close(7 [pid 6319] close(8 [pid 6334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] close(8 [pid 6319] close(9 [pid 6334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6325] close(9 [pid 6319] close(10 [pid 6334] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... mprotect resumed>) = 0 [pid 6325] close(10 [pid 6319] close(11 [pid 6334] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6319] close(12 [pid 6334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6335 attached [pid 6325] close(11 [pid 6319] close(13 [pid 6335] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6334] <... clone3 resumed> => {parent_tid=[14282]}, 88) = 14282 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... set_robust_list resumed>) = 0 [pid 6334] rt_sigprocmask(SIG_SETMASK, [], [pid 6325] close(12 [pid 6319] close(14 [pid 6335] rt_sigprocmask(SIG_SETMASK, [], [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6334] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] close(13 [pid 6319] close(15 [pid 6335] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6334] <... futex resumed>) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... bpf resumed>) = 3 [pid 6334] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] close(14 [pid 6319] close(16 [pid 6335] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... futex resumed>) = 0 [pid 6334] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] close(15 [pid 6319] close(17 [pid 6335] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6334] <... futex resumed>) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] close(18 [pid 6334] <... futex resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6319] close(19 [pid 6334] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6319] close(20 [pid 6335] <... bpf resumed>) = 0 [pid 6334] <... mprotect resumed>) = 0 [pid 6325] close(16 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(21 [pid 6335] <... futex resumed>) = 0 [pid 6334] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6325] close(17 [pid 6319] close(22./strace-static-x86_64: Process 6336 attached [pid 6335] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6334] <... clone3 resumed> => {parent_tid=[14283]}, 88) = 14283 [pid 6325] close(18 [pid 6319] close(23 [pid 6336] <... set_robust_list resumed>) = 0 [pid 6334] rt_sigprocmask(SIG_SETMASK, [], [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] rt_sigprocmask(SIG_SETMASK, [], [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6325] close(19 [pid 6319] close(24 [pid 6334] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6334] <... futex resumed>) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(25 [pid 6336] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6334] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] close(20 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(26) = -1 EBADF (Bad file descriptor) [pid 6319] close(27) = -1 EBADF (Bad file descriptor) [pid 6319] close(28) = -1 EBADF (Bad file descriptor) [pid 6319] close(29) = -1 EBADF (Bad file descriptor) [pid 6336] <... bpf resumed>) = 4 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] exit_group(0 [pid 6336] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] close(21 [pid 6323] <... futex resumed>) = ? [pid 6321] <... futex resumed>) = ? [pid 6319] <... exit_group resumed>) = ? [pid 6336] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] +++ exited with 0 +++ [pid 6321] +++ exited with 0 +++ [pid 6336] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] close(22 [pid 6319] +++ exited with 0 +++ [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 1 [pid 6335] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6334] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(23) = -1 EBADF (Bad file descriptor) [pid 6325] close(24 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4693", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6325] close(25 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] openat(AT_FDCWD, "./4693", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6325] close(26 [pid 293] <... openat resumed>) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] getdents64(3, [pid 6325] close(27 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4693/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6325] close(28 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4693/cgroup.cpu", [pid 6325] close(29 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] unlink("./4693/cgroup.cpu" [pid 6330] <... bpf resumed>) = 5 [pid 6325] exit_group(0 [pid 6331] <... bpf resumed>) = 5 [pid 293] <... unlink resumed>) = 0 [pid 6335] <... bpf resumed>) = 5 [pid 6331] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... futex resumed>) = ? [pid 6326] <... futex resumed>) = ? [pid 6325] <... exit_group resumed>) = ? [pid 293] umount2("./4693/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6335] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = 1 [pid 6330] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = 0 [pid 6327] +++ exited with 0 +++ [pid 6326] +++ exited with 0 +++ [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6335] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6331] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] close(3 [pid 6328] close(3 [pid 6325] +++ exited with 0 +++ [pid 293] newfstatat(AT_FDCWD, "./4693/binderfs", [pid 6335] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] close(3 [pid 6329] <... close resumed>) = 0 [pid 6328] <... close resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6334] <... close resumed>) = 0 [pid 6329] close(4 [pid 6328] close(4 [pid 293] unlink("./4693/binderfs" [pid 6334] close(4 [pid 6329] <... close resumed>) = 0 [pid 6328] <... close resumed>) = 0 [pid 6334] <... close resumed>) = 0 [pid 6329] close(5 [pid 6328] close(5 [pid 294] umount2("./4755", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 6334] close(5 [pid 6329] <... close resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] umount2("./4693/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6329] close(6 [pid 294] openat(AT_FDCWD, "./4755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... openat resumed>) = 3 [pid 293] newfstatat(AT_FDCWD, "./4693/cgroup", [pid 6329] close(7 [pid 294] newfstatat(3, "", [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] unlink("./4693/cgroup" [pid 6329] close(8 [pid 294] getdents64(3, [pid 293] <... unlink resumed>) = 0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4693/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6329] close(9 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4755/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(AT_FDCWD, "./4693/cgroup.net", [pid 6329] close(10 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4755/cgroup.cpu", [pid 293] unlink("./4693/cgroup.net" [pid 6329] close(11 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4755/cgroup.cpu" [pid 293] getdents64(3, [pid 6329] close(12 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 293] close(3 [pid 6329] close(13 [pid 294] umount2("./4755/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... close resumed>) = 0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] rmdir("./4693" [pid 6329] close(14 [pid 294] newfstatat(AT_FDCWD, "./4755/binderfs", [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 6329] close(15 [pid 294] unlink("./4755/binderfs" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] mkdir("./4694", 0777 [pid 6329] close(16 [pid 294] <... unlink resumed>) = 0 [pid 294] umount2("./4755/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4755/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4755/cgroup" [pid 293] <... mkdir resumed>) = 0 [pid 6329] close(17 [pid 294] <... unlink resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4755/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4755/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4755/cgroup.net"./strace-static-x86_64: Process 6337 attached [pid 6329] close(18 [pid 294] <... unlink resumed>) = 0 [pid 6337] set_robust_list(0x5555568776a0, 24 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] getdents64(3, [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13844 [pid 6337] <... set_robust_list resumed>) = 0 [pid 6329] close(19 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6337] chdir("./4694" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] close(3 [pid 6337] <... chdir resumed>) = 0 [pid 6329] close(20 [pid 294] <... close resumed>) = 0 [pid 6337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] rmdir("./4755" [pid 6337] <... prctl resumed>) = 0 [pid 6329] close(21 [pid 294] <... rmdir resumed>) = 0 [pid 6337] setpgid(0, 0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] mkdir("./4756", 0777 [pid 6337] <... setpgid resumed>) = 0 [pid 6329] close(22 [pid 294] <... mkdir resumed>) = 0 [pid 6337] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6338 attached [pid 6337] <... symlink resumed>) = 0 [pid 6329] close(23 [pid 6337] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] set_robust_list(0x5555568776a0, 24 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14004 [pid 6338] <... set_robust_list resumed>) = 0 [pid 6337] <... symlink resumed>) = 0 [pid 6329] close(24 [pid 6338] chdir("./4756" [pid 6337] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... chdir resumed>) = 0 [pid 6337] <... symlink resumed>) = 0 [pid 6329] close(25 [pid 6338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... prctl resumed>) = 0 [pid 6337] <... openat resumed>) = 3 [pid 6329] close(26 [pid 6338] setpgid(0, 0 [pid 6337] write(3, "1000", 4 [pid 6338] <... setpgid resumed>) = 0 [pid 6337] <... write resumed>) = 4 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(3) = 0 [pid 6338] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6337] symlink("/dev/binderfs", "./binderfs" [pid 6338] <... symlink resumed>) = 0 [pid 6337] <... symlink resumed>) = 0 [pid 6329] close(27 [pid 6338] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6337] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... symlink resumed>) = 0 [pid 6337] <... futex resumed>) = 0 [pid 6329] close(28 [pid 6338] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6337] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... symlink resumed>) = 0 [pid 6337] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6329] close(29 [pid 6338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] <... openat resumed>) = 3 [pid 6337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6338] write(3, "1000", 4 [pid 6337] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6329] exit_group(0 [pid 6338] <... write resumed>) = 4 [pid 6337] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6338] close(3 [pid 6337] <... mprotect resumed>) = 0 [pid 6332] <... futex resumed>) = ? [pid 6330] <... futex resumed>) = ? [pid 6329] <... exit_group resumed>) = ? [pid 6338] <... close resumed>) = 0 [pid 6337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6332] +++ exited with 0 +++ [pid 6330] +++ exited with 0 +++ [pid 6337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6339 attached [pid 6339] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6337] <... clone3 resumed> => {parent_tid=[13845]}, 88) = 13845 [pid 6339] <... set_robust_list resumed>) = 0 [pid 6338] symlink("/dev/binderfs", "./binderfs" [pid 6337] rt_sigprocmask(SIG_SETMASK, [], [pid 6329] +++ exited with 0 +++ [pid 6339] rt_sigprocmask(SIG_SETMASK, [], [pid 6337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] <... symlink resumed>) = 0 [pid 6337] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6339] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6338] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6339] <... bpf resumed>) = 3 [pid 6338] <... futex resumed>) = 0 [pid 6337] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... restart_syscall resumed>) = 0 [pid 6339] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6338] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6337] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6337] <... futex resumed>) = 0 [pid 297] umount2("./4869", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6339] <... bpf resumed>) = 0 [pid 6338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6337] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6339] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6337] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4869", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6339] <... futex resumed>) = 0 [pid 6338] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6339] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6338] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6337] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 297] <... openat resumed>) = 3 [pid 6338] <... mprotect resumed>) = 0 [pid 6337] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] newfstatat(3, "", [pid 6337] <... mprotect resumed>) = 0 [pid 6338] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] getdents64(3, ./strace-static-x86_64: Process 6341 attached ./strace-static-x86_64: Process 6340 attached 0x555556878730 /* 6 entries */, 32768) = 176 [pid 6341] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6340] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6338] <... clone3 resumed> => {parent_tid=[14005]}, 88) = 14005 [pid 6337] <... clone3 resumed> => {parent_tid=[13846]}, 88) = 13846 [pid 297] umount2("./4869/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6341] <... set_robust_list resumed>) = 0 [pid 6340] <... set_robust_list resumed>) = 0 [pid 6338] rt_sigprocmask(SIG_SETMASK, [], [pid 6337] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6340] rt_sigprocmask(SIG_SETMASK, [], [pid 6337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6341] rt_sigprocmask(SIG_SETMASK, [], [pid 6340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6337] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6337] <... futex resumed>) = 0 [pid 6328] <... close resumed>) = 0 [pid 6341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] <... close resumed>) = 0 [pid 6328] close(6 [pid 297] newfstatat(AT_FDCWD, "./4869/cgroup.cpu", [pid 6341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6340] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6334] close(6 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6341] <... bpf resumed>) = 4 [pid 6340] <... bpf resumed>) = 3 [pid 6338] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(7 [pid 297] unlink("./4869/cgroup.cpu" [pid 6341] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] close(7 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6338] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(8 [pid 297] <... unlink resumed>) = 0 [pid 6341] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6338] <... futex resumed>) = 0 [pid 6337] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] close(8 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4869/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6340] <... bpf resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6338] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 1 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(9 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6340] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6338] <... futex resumed>) = 0 [pid 6337] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6334] close(9 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4869/binderfs", [pid 6340] <... futex resumed>) = 0 [pid 6338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(10 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6340] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6338] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6334] close(10 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4869/binderfs" [pid 6338] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(11 [pid 297] <... unlink resumed>) = 0 [pid 6338] <... mprotect resumed>) = 0 [pid 6334] close(11 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4869/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6338] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(12 [pid 6338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6334] close(12 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(13 [pid 297] newfstatat(AT_FDCWD, "./4869/cgroup", ./strace-static-x86_64: Process 6342 attached [pid 6334] close(13 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6342] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6338] <... clone3 resumed> => {parent_tid=[14006]}, 88) = 14006 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(14 [pid 297] unlink("./4869/cgroup" [pid 6342] <... set_robust_list resumed>) = 0 [pid 6338] rt_sigprocmask(SIG_SETMASK, [], [pid 6334] close(14 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] <... unlink resumed>) = 0 [pid 6342] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(15 [pid 297] umount2("./4869/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6338] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] close(15 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6342] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(16 [pid 297] newfstatat(AT_FDCWD, "./4869/cgroup.net", [pid 6342] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6338] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] close(16 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6342] <... bpf resumed>) = 4 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(17 [pid 297] unlink("./4869/cgroup.net" [pid 6342] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] close(17 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... futex resumed>) = 1 [pid 6338] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 6342] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6338] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(18 [pid 297] getdents64(3, [pid 6340] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = 1 [pid 6334] close(18 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6338] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(19 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6334] close(19 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] close(3 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(20 [pid 297] <... close resumed>) = 0 [pid 6334] close(20 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4869" [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(21 [pid 6334] close(21 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(22 [pid 297] mkdir("./4870", 0777 [pid 6334] close(22 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... mkdir resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(23 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6334] close(23 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6343 attached [pid 6334] close(24 [pid 6328] close(24 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14363 [pid 6343] set_robust_list(0x5555568776a0, 24 [pid 6334] close(25 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... set_robust_list resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(25 [pid 6334] close(26 [pid 6343] chdir("./4870" [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... chdir resumed>) = 0 [pid 6334] close(27 [pid 6328] close(26 [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... prctl resumed>) = 0 [pid 6334] close(28 [pid 6328] close(27 [pid 6343] setpgid(0, 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... setpgid resumed>) = 0 [pid 6334] close(29 [pid 6328] close(28 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6334] exit_group(0 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... futex resumed>) = ? [pid 6334] <... exit_group resumed>) = ? [pid 6343] <... symlink resumed>) = 0 [pid 6336] +++ exited with 0 +++ [pid 6335] <... futex resumed>) = ? [pid 6328] close(29 [pid 6343] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6335] +++ exited with 0 +++ [pid 6334] +++ exited with 0 +++ [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... symlink resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6343] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6328] exit_group(0 [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6343] <... symlink resumed>) = 0 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6333] <... futex resumed>) = ? [pid 6331] <... futex resumed>) = ? [pid 6328] <... exit_group resumed>) = ? [pid 296] umount2("./4835", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] +++ exited with 0 +++ [pid 6333] +++ exited with 0 +++ [pid 296] openat(AT_FDCWD, "./4835", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6328] +++ exited with 0 +++ [pid 296] getdents64(3, [pid 6343] write(3, "1000", 4 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6343] <... write resumed>) = 4 [pid 296] umount2("./4835/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6343] close(3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] <... close resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4835/cgroup.cpu", [pid 6343] symlink("/dev/binderfs", "./binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4835/cgroup.cpu" [pid 6343] <... symlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 6343] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4835/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... restart_syscall resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 296] newfstatat(AT_FDCWD, "./4835/binderfs", [pid 6343] <... rt_sigaction resumed>NULL, 8) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4807", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 296] unlink("./4835/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] openat(AT_FDCWD, "./4807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] umount2("./4835/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... openat resumed>) = 3 [pid 6343] <... mmap resumed>) = 0x7fd4ce11b000 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(3, "", [pid 6343] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 296] newfstatat(AT_FDCWD, "./4835/cgroup", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6343] <... mprotect resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 6343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] unlink("./4835/cgroup" [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4807/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 296] umount2("./4835/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6344 attached [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4807/cgroup.cpu", [pid 6344] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6343] <... clone3 resumed> => {parent_tid=[14364]}, 88) = 14364 [pid 6340] <... bpf resumed>) = 5 [pid 6339] <... bpf resumed>) = 5 [pid 296] newfstatat(AT_FDCWD, "./4835/cgroup.net", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6344] <... set_robust_list resumed>) = 0 [pid 6343] rt_sigprocmask(SIG_SETMASK, [], [pid 6340] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4807/cgroup.cpu" [pid 6344] rt_sigprocmask(SIG_SETMASK, [], [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6340] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 1 [pid 6338] <... futex resumed>) = 0 [pid 6337] <... futex resumed>) = 0 [pid 296] unlink("./4835/cgroup.net" [pid 295] <... unlink resumed>) = 0 [pid 6344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6338] close(3 [pid 6337] close(3 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4807/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6344] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6343] <... futex resumed>) = 0 [pid 6338] <... close resumed>) = 0 [pid 6337] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6344] <... bpf resumed>) = 3 [pid 6343] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] close(4 [pid 6337] close(4 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./4807/binderfs", [pid 6344] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6338] <... close resumed>) = 0 [pid 6337] <... close resumed>) = 0 [pid 296] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6343] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] close(5 [pid 6337] close(5 [pid 296] <... close resumed>) = 0 [pid 295] unlink("./4807/binderfs" [pid 6344] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6343] <... futex resumed>) = 0 [pid 6338] <... close resumed>) = 0 [pid 6337] <... close resumed>) = 0 [pid 296] rmdir("./4835" [pid 295] <... unlink resumed>) = 0 [pid 6344] <... bpf resumed>) = 0 [pid 6343] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] close(6 [pid 6337] close(6 [pid 296] <... rmdir resumed>) = 0 [pid 295] umount2("./4807/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6344] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] mkdir("./4836", 0777 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6344] <... futex resumed>) = 0 [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6338] close(7 [pid 6337] close(7 [pid 296] <... mkdir resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4807/cgroup", [pid 6344] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6345 attached [pid 6343] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6338] close(8 [pid 6337] close(8 [pid 295] unlink("./4807/cgroup" [pid 6345] set_robust_list(0x5555568776a0, 24 [pid 6343] <... mprotect resumed>) = 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14284 [pid 295] <... unlink resumed>) = 0 [pid 6345] <... set_robust_list resumed>) = 0 [pid 6343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6338] close(9 [pid 6337] close(9 [pid 295] umount2("./4807/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6345] chdir("./4836" [pid 6343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6345] <... chdir resumed>) = 0 [pid 6343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6338] close(10 [pid 6337] close(10 [pid 295] newfstatat(AT_FDCWD, "./4807/cgroup.net", ./strace-static-x86_64: Process 6346 attached [pid 6345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6346] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6345] <... prctl resumed>) = 0 [pid 6343] <... clone3 resumed> => {parent_tid=[14365]}, 88) = 14365 [pid 6338] close(11 [pid 6337] close(11 [pid 295] unlink("./4807/cgroup.net" [pid 6346] <... set_robust_list resumed>) = 0 [pid 6345] setpgid(0, 0 [pid 6343] rt_sigprocmask(SIG_SETMASK, [], [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... unlink resumed>) = 0 [pid 6346] rt_sigprocmask(SIG_SETMASK, [], [pid 6345] <... setpgid resumed>) = 0 [pid 6343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] close(12 [pid 6337] close(12 [pid 295] getdents64(3, [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6345] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6343] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6345] <... symlink resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6338] close(13 [pid 6337] close(13 [pid 295] close(3 [pid 6346] <... bpf resumed>) = 4 [pid 6345] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6343] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... close resumed>) = 0 [pid 6346] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] close(14 [pid 295] rmdir("./4807" [pid 6346] <... futex resumed>) = 0 [pid 6345] <... symlink resumed>) = 0 [pid 6343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(14 [pid 295] <... rmdir resumed>) = 0 [pid 6346] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6343] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] close(15 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] mkdir("./4808", 0777 [pid 6345] <... symlink resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 1 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(15 [pid 295] <... mkdir resumed>) = 0 [pid 6345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6344] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6343] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6338] close(16 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6347 attached [pid 6345] <... openat resumed>) = 3 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(16 [pid 6347] set_robust_list(0x5555568776a0, 24 [pid 6345] write(3, "1000", 4 [pid 6338] close(17 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14182 [pid 6347] <... set_robust_list resumed>) = 0 [pid 6345] <... write resumed>) = 4 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(17 [pid 6347] chdir("./4808" [pid 6345] close(3 [pid 6338] close(18 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... chdir resumed>) = 0 [pid 6345] <... close resumed>) = 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(18 [pid 6347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6345] symlink("/dev/binderfs", "./binderfs" [pid 6338] close(19 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... prctl resumed>) = 0 [pid 6345] <... symlink resumed>) = 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(19 [pid 6347] setpgid(0, 0 [pid 6345] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] close(20 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... setpgid resumed>) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(20 [pid 6338] close(21 [pid 6345] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6347] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... symlink resumed>) = 0 [pid 6345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6338] close(22 [pid 6337] close(21 [pid 6347] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(23 [pid 6347] <... symlink resumed>) = 0 [pid 6347] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(22 [pid 6338] close(24) = -1 EBADF (Bad file descriptor) [pid 6347] <... symlink resumed>) = 0 [pid 6338] close(25 [pid 6345] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6345] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(26 [pid 6337] close(23 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... openat resumed>) = 3 [pid 6338] close(27 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... mprotect resumed>) = 0 [pid 6347] write(3, "1000", 4 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(24 [pid 6347] <... write resumed>) = 4 [pid 6345] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6338] close(28 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(3 [pid 6345] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(25 [pid 6347] <... close resumed>) = 0 [pid 6345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6338] close(29 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6348 attached [pid 6347] symlink("/dev/binderfs", "./binderfs" [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] close(26 [pid 6348] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6347] <... symlink resumed>) = 0 [pid 6338] exit_group(0 [pid 6345] <... clone3 resumed> => {parent_tid=[14285]}, 88) = 14285 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... set_robust_list resumed>) = 0 [pid 6347] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] rt_sigprocmask(SIG_SETMASK, [], [pid 6342] <... futex resumed>) = ? [pid 6340] <... futex resumed>) = ? [pid 6338] <... exit_group resumed>) = ? [pid 6337] close(27 [pid 6348] rt_sigprocmask(SIG_SETMASK, [], [pid 6347] <... futex resumed>) = 0 [pid 6345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6342] +++ exited with 0 +++ [pid 6340] +++ exited with 0 +++ [pid 6338] +++ exited with 0 +++ [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6345] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] close(28 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6347] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] <... bpf resumed>) = 5 [pid 6348] <... bpf resumed>) = 3 [pid 6347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6345] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] close(29 [pid 6348] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4756", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6348] <... futex resumed>) = 0 [pid 6347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6345] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] close(3 [pid 6337] exit_group(0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6347] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6345] <... futex resumed>) = 0 [pid 6343] <... close resumed>) = 0 [pid 6341] <... futex resumed>) = ? [pid 6339] <... futex resumed>) = ? [pid 6337] <... exit_group resumed>) = ? [pid 294] openat(AT_FDCWD, "./4756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6348] <... bpf resumed>) = 0 [pid 6347] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6345] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] close(4 [pid 6341] +++ exited with 0 +++ [pid 294] <... openat resumed>) = 3 [pid 6348] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... close resumed>) = 0 [pid 294] newfstatat(3, "", [pid 6348] <... futex resumed>) = 0 [pid 6343] close(5 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6348] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... mprotect resumed>) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6343] <... close resumed>) = 0 [pid 6339] +++ exited with 0 +++ [pid 6337] +++ exited with 0 +++ [pid 294] getdents64(3, [pid 6347] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6343] close(6 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6347] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6345] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4756/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6345] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6343] close(7 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6349 attached [pid 6345] <... mprotect resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4756/cgroup.cpu", [pid 293] <... restart_syscall resumed>) = 0 [pid 6349] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6347] <... clone3 resumed> => {parent_tid=[14183]}, 88) = 14183 [pid 6345] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6343] close(8 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6347] rt_sigprocmask(SIG_SETMASK, [], [pid 6345] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4756/cgroup.cpu" [pid 6349] rt_sigprocmask(SIG_SETMASK, [], [pid 6347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6343] close(9 [pid 294] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6350 attached [pid 6349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4756/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4694", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6350] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6349] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6347] <... futex resumed>) = 0 [pid 6345] <... clone3 resumed> => {parent_tid=[14286]}, 88) = 14286 [pid 6343] close(10 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6350] <... set_robust_list resumed>) = 0 [pid 6349] <... bpf resumed>) = 3 [pid 6347] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] rt_sigprocmask(SIG_SETMASK, [], [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4756/binderfs", [pid 293] openat(AT_FDCWD, "./4694", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6350] rt_sigprocmask(SIG_SETMASK, [], [pid 6349] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6343] close(11 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6347] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4756/binderfs" [pid 293] <... openat resumed>) = 3 [pid 6350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6349] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6347] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6343] close(12 [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(3, "", [pid 6349] <... bpf resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4756/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6350] <... bpf resumed>) = 4 [pid 6349] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] close(13 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6350] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = 0 [pid 6347] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4756/cgroup", [pid 293] getdents64(3, [pid 6350] <... futex resumed>) = 0 [pid 6349] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6347] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] close(14 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6350] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] <... bpf resumed>) = 4 [pid 6348] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = 1 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4756/cgroup" [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6349] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6345] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6343] close(15 [pid 294] <... unlink resumed>) = 0 [pid 293] umount2("./4694/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6349] <... futex resumed>) = 1 [pid 6347] <... futex resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4756/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6349] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] close(16 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... futex resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] newfstatat(AT_FDCWD, "./4756/cgroup.net", [pid 293] newfstatat(AT_FDCWD, "./4694/cgroup.cpu", [pid 6349] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6347] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6343] close(17 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] unlink("./4756/cgroup.net" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6343] close(18 [pid 294] <... unlink resumed>) = 0 [pid 293] unlink("./4694/cgroup.cpu" [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] getdents64(3, [pid 6343] close(19 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] close(3 [pid 293] <... unlink resumed>) = 0 [pid 6343] close(20 [pid 294] <... close resumed>) = 0 [pid 293] umount2("./4694/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] rmdir("./4756" [pid 6343] close(21 [pid 294] <... rmdir resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] mkdir("./4757", 0777 [pid 293] newfstatat(AT_FDCWD, "./4694/binderfs", [pid 6343] close(22 [pid 294] <... mkdir resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6351 attached [pid 6343] close(23 [pid 6351] set_robust_list(0x5555568776a0, 24 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14007 [pid 293] unlink("./4694/binderfs" [pid 6351] <... set_robust_list resumed>) = 0 [pid 6343] close(24) = -1 EBADF (Bad file descriptor) [pid 6343] close(25 [pid 293] <... unlink resumed>) = 0 [pid 6351] chdir("./4757" [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4694/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6351] <... chdir resumed>) = 0 [pid 6343] close(26 [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] <... prctl resumed>) = 0 [pid 6343] close(27) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4694/cgroup", [pid 6351] setpgid(0, 0 [pid 6343] close(28 [pid 6351] <... setpgid resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6343] close(29) = -1 EBADF (Bad file descriptor) [pid 6351] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6343] exit_group(0 [pid 293] unlink("./4694/cgroup" [pid 6346] <... futex resumed>) = ? [pid 6344] <... futex resumed>) = ? [pid 6343] <... exit_group resumed>) = ? [pid 6351] <... symlink resumed>) = 0 [pid 6346] +++ exited with 0 +++ [pid 6344] +++ exited with 0 +++ [pid 6343] +++ exited with 0 +++ [pid 293] <... unlink resumed>) = 0 [pid 6351] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] umount2("./4694/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6351] <... symlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 293] newfstatat(AT_FDCWD, "./4694/cgroup.net", [pid 6351] <... symlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] umount2("./4870", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4694/cgroup.net" [pid 6351] <... openat resumed>) = 3 [pid 293] <... unlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] write(3, "1000", 4 [pid 293] getdents64(3, [pid 6351] <... write resumed>) = 4 [pid 297] openat(AT_FDCWD, "./4870", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6351] close(3 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... openat resumed>) = 3 [pid 6351] <... close resumed>) = 0 [pid 293] close(3 [pid 297] newfstatat(3, "", [pid 6351] symlink("/dev/binderfs", "./binderfs" [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] <... close resumed>) = 0 [pid 6351] <... symlink resumed>) = 0 [pid 293] rmdir("./4694" [pid 297] getdents64(3, [pid 6351] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... rmdir resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6351] <... futex resumed>) = 0 [pid 297] umount2("./4870/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] mkdir("./4695", 0777 [pid 6351] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] <... rt_sigaction resumed>NULL, 8) = 0 [pid 297] newfstatat(AT_FDCWD, "./4870/cgroup.cpu", [pid 293] <... mkdir resumed>) = 0 [pid 6351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] unlink("./4870/cgroup.cpu" [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 297] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6352 attached [pid 6351] <... mmap resumed>) = 0x7fd4ce11b000 [pid 297] umount2("./4870/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6352] set_robust_list(0x5555568776a0, 24 [pid 6351] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6352] <... set_robust_list resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13847 [pid 6352] chdir("./4695" [pid 6351] <... mprotect resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4870/binderfs", [pid 6352] <... chdir resumed>) = 0 [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6349] <... bpf resumed>) = 5 [pid 6348] <... bpf resumed>) = 5 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6349] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4870/binderfs" [pid 6352] <... prctl resumed>) = 0 [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6349] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 1 [pid 6347] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6352] setpgid(0, 0 [pid 6349] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6353 attached [pid 6352] <... setpgid resumed>) = 0 [pid 6348] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] close(3 [pid 6345] close(3 [pid 297] umount2("./4870/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6353] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6352] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6351] <... clone3 resumed> => {parent_tid=[14008]}, 88) = 14008 [pid 6347] <... close resumed>) = 0 [pid 6345] <... close resumed>) = 0 [pid 6353] <... set_robust_list resumed>) = 0 [pid 6352] <... symlink resumed>) = 0 [pid 6351] rt_sigprocmask(SIG_SETMASK, [], [pid 6347] close(4 [pid 6345] close(4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6353] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] <... close resumed>) = 0 [pid 6345] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4870/cgroup", [pid 6353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6352] <... symlink resumed>) = 0 [pid 6351] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] close(5 [pid 6345] close(5 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6353] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6352] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6351] <... futex resumed>) = 0 [pid 6347] <... close resumed>) = 0 [pid 6353] <... bpf resumed>) = 3 [pid 6352] <... symlink resumed>) = 0 [pid 6351] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] close(6 [pid 6345] <... close resumed>) = 0 [pid 297] unlink("./4870/cgroup" [pid 6353] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(6 [pid 6353] <... futex resumed>) = 0 [pid 6352] <... openat resumed>) = 3 [pid 6351] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] close(7 [pid 297] <... unlink resumed>) = 0 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6352] write(3, "1000", 4 [pid 6351] <... futex resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(7 [pid 297] umount2("./4870/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6353] <... bpf resumed>) = 0 [pid 6352] <... write resumed>) = 4 [pid 6351] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] close(8 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] close(3 [pid 6351] <... futex resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(8 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6353] <... futex resumed>) = 0 [pid 6352] <... close resumed>) = 0 [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6347] close(9 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4870/cgroup.net", [pid 6353] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] symlink("/dev/binderfs", "./binderfs" [pid 6351] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(9 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6352] <... symlink resumed>) = 0 [pid 6351] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6347] close(10 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4870/cgroup.net" [pid 6352] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... mprotect resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(10 [pid 6352] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 6352] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6347] close(11 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 6352] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(11 [pid 6352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6347] close(12 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(12 [pid 297] close(3 [pid 6352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6354 attached ) = 0x7fd4ce11b000 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6347] close(13 [pid 297] <... close resumed>) = 0 [pid 6345] close(13 [pid 6354] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6352] <... mprotect resumed>) = 0 [pid 6351] <... clone3 resumed> => {parent_tid=[14009]}, 88) = 14009 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4870" [pid 6354] <... set_robust_list resumed>) = 0 [pid 6352] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6351] rt_sigprocmask(SIG_SETMASK, [], [pid 6347] close(14 [pid 6345] close(14 [pid 6352] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6355 attached [pid 6354] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 6355] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6352] <... clone3 resumed> => {parent_tid=[13848]}, 88) = 13848 [pid 6351] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] close(15 [pid 6345] close(15 [pid 297] mkdir("./4871", 0777 [pid 6355] <... set_robust_list resumed>) = 0 [pid 6354] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6352] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] <... futex resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 6345] close(16 [pid 6355] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] <... futex resumed>) = 0 [pid 6352] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] <... bpf resumed>) = 4 [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6354] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] close(16 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6355] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6354] <... futex resumed>) = 1 [pid 6351] <... futex resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(17./strace-static-x86_64: Process 6356 attached [pid 6347] close(17 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... bpf resumed>) = 3 [pid 6351] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] set_robust_list(0x5555568776a0, 24 [pid 6355] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 1 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(18 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14366 [pid 6356] <... set_robust_list resumed>) = 0 [pid 6355] <... futex resumed>) = 1 [pid 6353] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6352] <... futex resumed>) = 0 [pid 6351] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6347] close(18 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] chdir("./4871" [pid 6355] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(19 [pid 6356] <... chdir resumed>) = 0 [pid 6355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6352] <... futex resumed>) = 0 [pid 6347] close(19 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6355] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6352] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(20 [pid 6356] <... prctl resumed>) = 0 [pid 6352] <... futex resumed>) = 0 [pid 6356] setpgid(0, 0 [pid 6355] <... bpf resumed>) = 0 [pid 6352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6347] close(20 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] <... setpgid resumed>) = 0 [pid 6355] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(21 [pid 6356] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6355] <... futex resumed>) = 0 [pid 6352] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6347] close(21 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] <... symlink resumed>) = 0 [pid 6355] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... mprotect resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(22 [pid 6356] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6352] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6347] close(22 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] <... symlink resumed>) = 0 [pid 6352] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(23 [pid 6356] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6347] close(23 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6357 attached [pid 6356] <... symlink resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(24 [pid 6357] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6347] close(24 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] <... set_robust_list resumed>) = 0 [pid 6356] <... openat resumed>) = 3 [pid 6352] <... clone3 resumed> => {parent_tid=[13849]}, 88) = 13849 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(25 [pid 6357] rt_sigprocmask(SIG_SETMASK, [], [pid 6356] write(3, "1000", 4 [pid 6347] close(25 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] <... write resumed>) = 4 [pid 6352] rt_sigprocmask(SIG_SETMASK, [], [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(26 [pid 6357] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] close(3 [pid 6347] close(26 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] <... close resumed>) = 0 [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(27 [pid 6356] symlink("/dev/binderfs", "./binderfs" [pid 6352] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] close(27 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] <... futex resumed>) = 0 [pid 6356] <... symlink resumed>) = 0 [pid 6352] <... futex resumed>) = 1 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(28 [pid 6357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6356] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] close(28 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] <... bpf resumed>) = 4 [pid 6356] <... futex resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(29 [pid 6357] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6347] close(29 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] <... futex resumed>) = 1 [pid 6356] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6352] <... futex resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] exit_group(0 [pid 6357] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6352] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] exit_group(0 [pid 6345] <... exit_group resumed>) = ? [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6355] <... futex resumed>) = 0 [pid 6352] <... futex resumed>) = 1 [pid 6350] <... futex resumed>) = ? [pid 6349] <... futex resumed>) = ? [pid 6348] <... futex resumed>) = ? [pid 6347] <... exit_group resumed>) = ? [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6355] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6352] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6350] +++ exited with 0 +++ [pid 6349] +++ exited with 0 +++ [pid 6356] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6356] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6348] +++ exited with 0 +++ [pid 6345] +++ exited with 0 +++ ./strace-static-x86_64: Process 6358 attached [pid 6358] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6356] <... clone3 resumed> => {parent_tid=[14367]}, 88) = 14367 [pid 6358] <... set_robust_list resumed>) = 0 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], [pid 6358] rt_sigprocmask(SIG_SETMASK, [], [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6356] <... futex resumed>) = 0 [pid 6347] +++ exited with 0 +++ [pid 6358] <... bpf resumed>) = 3 [pid 6356] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... bpf resumed>) = 5 [pid 6358] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] <... bpf resumed>) = 5 [pid 6353] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6358] <... futex resumed>) = 0 [pid 6356] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... futex resumed>) = 1 [pid 6351] <... futex resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6358] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6356] <... futex resumed>) = 0 [pid 6355] <... futex resumed>) = 1 [pid 6353] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... futex resumed>) = 0 [pid 6351] close(3 [pid 6358] <... bpf resumed>) = 0 [pid 6356] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] close(3 [pid 6351] <... close resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 6358] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... futex resumed>) = 0 [pid 6352] <... close resumed>) = 0 [pid 6351] close(4 [pid 296] umount2("./4836", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6358] <... futex resumed>) = 0 [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6352] close(4 [pid 6351] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6358] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6352] <... close resumed>) = 0 [pid 6351] close(5 [pid 296] openat(AT_FDCWD, "./4836", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6356] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6352] close(5 [pid 6356] <... mprotect resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 295] umount2("./4808", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] newfstatat(3, "", [pid 6356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] openat(AT_FDCWD, "./4808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6359 attached [pid 296] getdents64(3, [pid 6359] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6356] <... clone3 resumed> => {parent_tid=[14368]}, 88) = 14368 [pid 295] <... openat resumed>) = 3 [pid 6359] <... set_robust_list resumed>) = 0 [pid 6356] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] newfstatat(3, "", [pid 6359] rt_sigprocmask(SIG_SETMASK, [], [pid 6356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] umount2("./4836/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] getdents64(3, [pid 6359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6356] <... futex resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4836/cgroup.cpu", [pid 6356] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6359] <... bpf resumed>) = 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4808/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6359] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] unlink("./4836/cgroup.cpu" [pid 6359] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6356] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... unlink resumed>) = 0 [pid 6358] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = 1 [pid 295] newfstatat(AT_FDCWD, "./4808/cgroup.cpu", [pid 6358] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6356] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] umount2("./4836/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4808/cgroup.cpu" [pid 296] newfstatat(AT_FDCWD, "./4836/binderfs", [pid 295] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4808/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] unlink("./4836/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4808/binderfs", [pid 296] umount2("./4836/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4836/cgroup", [pid 295] unlink("./4808/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4836/cgroup" [pid 295] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4808/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] umount2("./4836/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4808/cgroup", [pid 296] newfstatat(AT_FDCWD, "./4836/cgroup.net", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4808/cgroup" [pid 296] unlink("./4836/cgroup.net" [pid 295] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 295] umount2("./4808/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... close resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4808/cgroup.net", [pid 296] rmdir("./4836" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] unlink("./4808/cgroup.net" [pid 296] mkdir("./4837", 0777 [pid 295] <... unlink resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] getdents64(3, [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6360 attached [pid 295] close(3 [pid 6360] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14287 [pid 6360] <... set_robust_list resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 6360] chdir("./4837" [pid 295] rmdir("./4808" [pid 6360] <... chdir resumed>) = 0 [pid 6360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6360] setpgid(0, 0 [pid 295] <... rmdir resumed>) = 0 [pid 6360] <... setpgid resumed>) = 0 [pid 295] mkdir("./4809", 0777 [pid 6360] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 295] <... mkdir resumed>) = 0 [pid 6360] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6360] <... symlink resumed>) = 0 [pid 6360] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6361 attached ) = 3 [pid 6361] set_robust_list(0x5555568776a0, 24 [pid 6360] write(3, "1000", 4 [pid 6361] <... set_robust_list resumed>) = 0 [pid 6360] <... write resumed>) = 4 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14184 [pid 6361] chdir("./4809" [pid 6360] close(3 [pid 6361] <... chdir resumed>) = 0 [pid 6360] <... close resumed>) = 0 [pid 6361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6360] symlink("/dev/binderfs", "./binderfs" [pid 6361] <... prctl resumed>) = 0 [pid 6360] <... symlink resumed>) = 0 [pid 6361] setpgid(0, 0 [pid 6360] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... setpgid resumed>) = 0 [pid 6360] <... futex resumed>) = 0 [pid 6361] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6360] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6361] <... symlink resumed>) = 0 [pid 6360] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6361] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6361] <... symlink resumed>) = 0 [pid 6360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6361] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6361] <... symlink resumed>) = 0 [pid 6360] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6360] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6361] <... openat resumed>) = 3 [pid 6360] <... mprotect resumed>) = 0 [pid 6361] write(3, "1000", 4 [pid 6360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6361] <... write resumed>) = 4 [pid 6360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6361] close(3 [pid 6360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6362 attached [pid 6361] <... close resumed>) = 0 [pid 6362] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6361] symlink("/dev/binderfs", "./binderfs" [pid 6360] <... clone3 resumed> => {parent_tid=[14288]}, 88) = 14288 [pid 6362] <... set_robust_list resumed>) = 0 [pid 6361] <... symlink resumed>) = 0 [pid 6360] rt_sigprocmask(SIG_SETMASK, [], [pid 6362] rt_sigprocmask(SIG_SETMASK, [], [pid 6361] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6361] <... futex resumed>) = 0 [pid 6360] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6361] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6360] <... futex resumed>) = 0 [pid 6362] <... bpf resumed>) = 3 [pid 6361] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6360] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... futex resumed>) = 0 [pid 6361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6360] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6360] <... futex resumed>) = 0 [pid 6361] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6360] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... bpf resumed>) = 0 [pid 6361] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6360] <... futex resumed>) = 0 [pid 6362] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... mprotect resumed>) = 0 [pid 6360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6362] <... futex resumed>) = 0 [pid 6361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6360] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6362] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6360] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6360] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6363 attached [pid 6360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6363] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6361] <... clone3 resumed> => {parent_tid=[14185]}, 88) = 14185 [pid 6360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6363] <... set_robust_list resumed>) = 0 [pid 6361] rt_sigprocmask(SIG_SETMASK, [], [pid 6360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6364 attached [pid 6363] rt_sigprocmask(SIG_SETMASK, [], [pid 6361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6364] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6361] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... set_robust_list resumed>) = 0 [pid 6363] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6361] <... futex resumed>) = 0 [pid 6360] <... clone3 resumed> => {parent_tid=[14289]}, 88) = 14289 [pid 6364] rt_sigprocmask(SIG_SETMASK, [], [pid 6361] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] <... close resumed>) = 0 [pid 6351] <... close resumed>) = 0 [pid 6364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] <... bpf resumed>) = 3 [pid 6360] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] close(6 [pid 6351] close(6 [pid 6364] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6363] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = 0 [pid 6360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(7 [pid 6363] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] <... futex resumed>) = 0 [pid 6360] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] close(7 [pid 6363] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6361] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] close(8 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = 0 [pid 6360] <... futex resumed>) = 1 [pid 6364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6363] <... bpf resumed>) = 0 [pid 6361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6360] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] close(8 [pid 6364] <... bpf resumed>) = 4 [pid 6363] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6352] close(9 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = 0 [pid 6361] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] <... futex resumed>) = 1 [pid 6363] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] <... mprotect resumed>) = 0 [pid 6360] <... futex resumed>) = 0 [pid 6352] close(10 [pid 6351] close(9 [pid 6364] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6360] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] <... futex resumed>) = 0 [pid 6361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6360] <... futex resumed>) = 1 [pid 6352] close(11 [pid 6351] close(10 [pid 6362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6360] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 6365 attached [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6352] close(12 [pid 6351] close(11 [pid 6365] <... set_robust_list resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] close(13 [pid 6351] close(12 [pid 6365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] close(14 [pid 6351] close(13 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(15 [pid 6351] close(14 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(16 [pid 6351] close(15 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] <... clone3 resumed> => {parent_tid=[14186]}, 88) = 14186 [pid 6352] close(17 [pid 6351] close(16 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(18 [pid 6351] close(17 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(19 [pid 6351] close(18 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(20 [pid 6351] close(19 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(21 [pid 6351] close(20 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(22 [pid 6351] close(21 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(23 [pid 6351] close(22 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(24 [pid 6351] close(23 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(25 [pid 6351] close(24 [pid 6361] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(26 [pid 6351] close(25 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(27 [pid 6351] close(26 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(28 [pid 6351] close(27 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(29 [pid 6351] close(28 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] exit_group(0 [pid 6351] close(29 [pid 6361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6357] <... futex resumed>) = ? [pid 6355] <... futex resumed>) = ? [pid 6352] <... exit_group resumed>) = ? [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] +++ exited with 0 +++ [pid 6355] +++ exited with 0 +++ [pid 6361] <... futex resumed>) = 1 [pid 6361] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] +++ exited with 0 +++ [pid 6351] exit_group(0 [pid 6365] <... futex resumed>) = 0 [pid 6351] <... exit_group resumed>) = ? [pid 6354] <... futex resumed>) = 0 [pid 6365] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6354] +++ exited with 0 +++ [pid 6353] <... futex resumed>) = ? [pid 6365] <... bpf resumed>) = 4 [pid 6353] +++ exited with 0 +++ [pid 6351] +++ exited with 0 +++ [pid 6365] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6365] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6365] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = 1 [pid 6363] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6361] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 293] umount2("./4695", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... restart_syscall resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4757", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] openat(AT_FDCWD, "./4695", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./4757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... openat resumed>) = 3 [pid 294] <... openat resumed>) = 3 [pid 294] newfstatat(3, "", [pid 293] newfstatat(3, "", [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4757/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4757/cgroup.cpu", [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4757/cgroup.cpu" [pid 293] umount2("./4695/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 294] umount2("./4757/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4695/cgroup.cpu", [pid 294] newfstatat(AT_FDCWD, "./4757/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4757/binderfs" [pid 293] unlink("./4695/cgroup.cpu" [pid 294] <... unlink resumed>) = 0 [pid 294] umount2("./4757/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4757/cgroup", [pid 293] umount2("./4695/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4757/cgroup" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4695/binderfs", [pid 294] umount2("./4757/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4757/cgroup.net", [pid 293] unlink("./4695/binderfs" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4757/cgroup.net") = 0 [pid 293] <... unlink resumed>) = 0 [pid 294] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] umount2("./4695/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] close(3) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] rmdir("./4757" [pid 293] newfstatat(AT_FDCWD, "./4695/cgroup", [pid 294] <... rmdir resumed>) = 0 [pid 294] mkdir("./4758", 0777 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 293] unlink("./4695/cgroup" [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6366 attached [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14010 [pid 293] umount2("./4695/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6366] set_robust_list(0x5555568776a0, 24) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] chdir("./4758" [pid 293] newfstatat(AT_FDCWD, "./4695/cgroup.net", [pid 6366] <... chdir resumed>) = 0 [pid 6366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6366] <... prctl resumed>) = 0 [pid 293] unlink("./4695/cgroup.net" [pid 6366] setpgid(0, 0) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6366] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 293] getdents64(3, [pid 6366] <... symlink resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6366] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 293] close(3 [pid 6366] <... symlink resumed>) = 0 [pid 293] <... close resumed>) = 0 [pid 6366] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 293] rmdir("./4695" [pid 6366] <... symlink resumed>) = 0 [pid 6366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 293] <... rmdir resumed>) = 0 [pid 6366] <... openat resumed>) = 3 [pid 293] mkdir("./4696", 0777 [pid 6366] write(3, "1000", 4 [pid 293] <... mkdir resumed>) = 0 [pid 6366] <... write resumed>) = 4 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6366] close(3./strace-static-x86_64: Process 6367 attached ) = 0 [pid 6367] set_robust_list(0x5555568776a0, 24) = 0 [pid 6366] symlink("/dev/binderfs", "./binderfs" [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13850 [pid 6367] chdir("./4696") = 0 [pid 6366] <... symlink resumed>) = 0 [pid 6358] <... bpf resumed>) = 5 [pid 6367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6366] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... bpf resumed>) = 5 [pid 6362] <... bpf resumed>) = 5 [pid 6358] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... prctl resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6363] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6367] setpgid(0, 0 [pid 6366] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = 0 [pid 6360] <... futex resumed>) = 0 [pid 6358] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] close(3 [pid 6367] <... setpgid resumed>) = 0 [pid 6366] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6363] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] close(3 [pid 6360] close(3 [pid 6356] <... close resumed>) = 0 [pid 6367] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6361] <... close resumed>) = 0 [pid 6360] <... close resumed>) = 0 [pid 6356] close(4 [pid 6367] <... symlink resumed>) = 0 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6361] close(4 [pid 6360] close(4 [pid 6356] <... close resumed>) = 0 [pid 6367] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6361] <... close resumed>) = 0 [pid 6360] <... close resumed>) = 0 [pid 6356] close(5 [pid 6367] <... symlink resumed>) = 0 [pid 6366] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6361] close(5 [pid 6360] close(5 [pid 6356] <... close resumed>) = 0 [pid 6367] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6366] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6356] close(6 [pid 6367] <... symlink resumed>) = 0 [pid 6366] <... mprotect resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6356] close(7 [pid 6367] <... openat resumed>) = 3 [pid 6366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] write(3, "1000", 4 [pid 6366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6356] close(8 [pid 6367] <... write resumed>) = 4 [pid 6366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] close(3 [pid 6356] close(9./strace-static-x86_64: Process 6368 attached [pid 6367] <... close resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6367] symlink("/dev/binderfs", "./binderfs" [pid 6366] <... clone3 resumed> => {parent_tid=[14011]}, 88) = 14011 [pid 6356] close(10 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6367] <... symlink resumed>) = 0 [pid 6366] rt_sigprocmask(SIG_SETMASK, [], [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] rt_sigprocmask(SIG_SETMASK, [], [pid 6367] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] close(11 [pid 6368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6367] <... futex resumed>) = 0 [pid 6366] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6367] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6366] <... futex resumed>) = 0 [pid 6356] close(12 [pid 6368] <... bpf resumed>) = 3 [pid 6367] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6366] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] close(13 [pid 6368] <... futex resumed>) = 0 [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6366] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6366] <... futex resumed>) = 0 [pid 6356] close(14 [pid 6367] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6366] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] <... bpf resumed>) = 0 [pid 6367] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6366] <... futex resumed>) = 0 [pid 6356] close(15 [pid 6368] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... mprotect resumed>) = 0 [pid 6366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] <... futex resumed>) = 0 [pid 6367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6366] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6356] close(16 [pid 6368] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6366] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6366] <... mprotect resumed>) = 0 [pid 6356] close(17./strace-static-x86_64: Process 6369 attached [pid 6366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6367] <... clone3 resumed> => {parent_tid=[13851]}, 88) = 13851 [pid 6366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6356] close(18 [pid 6369] <... set_robust_list resumed>) = 0 [pid 6367] rt_sigprocmask(SIG_SETMASK, [], [pid 6366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] rt_sigprocmask(SIG_SETMASK, [], [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] close(19./strace-static-x86_64: Process 6370 attached [pid 6367] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6370] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6367] <... futex resumed>) = 0 [pid 6356] close(20 [pid 6370] <... set_robust_list resumed>) = 0 [pid 6369] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6367] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] <... clone3 resumed> => {parent_tid=[14012]}, 88) = 14012 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] rt_sigprocmask(SIG_SETMASK, [], [pid 6369] <... bpf resumed>) = 3 [pid 6366] rt_sigprocmask(SIG_SETMASK, [], [pid 6356] close(21 [pid 6370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6369] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 0 [pid 6366] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] close(22 [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... futex resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] <... futex resumed>) = 0 [pid 6366] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] close(23 [pid 6370] <... bpf resumed>) = 4 [pid 6369] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6367] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... futex resumed>) = 0 [pid 6356] close(24 [pid 6370] <... futex resumed>) = 1 [pid 6369] <... bpf resumed>) = 0 [pid 6367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6366] <... futex resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6366] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] close(25 [pid 6369] <... futex resumed>) = 0 [pid 6368] <... futex resumed>) = 0 [pid 6367] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6366] <... futex resumed>) = 1 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6367] <... mprotect resumed>) = 0 [pid 6366] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6356] close(26 [pid 6367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6356] close(27 [pid 6367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6371 attached [pid 6356] close(28 [pid 6371] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6367] <... clone3 resumed> => {parent_tid=[13852]}, 88) = 13852 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... set_robust_list resumed>) = 0 [pid 6367] rt_sigprocmask(SIG_SETMASK, [], [pid 6356] close(29 [pid 6371] rt_sigprocmask(SIG_SETMASK, [], [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6367] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] exit_group(0 [pid 6371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6367] <... futex resumed>) = 0 [pid 6359] <... futex resumed>) = ? [pid 6358] <... futex resumed>) = ? [pid 6356] <... exit_group resumed>) = ? [pid 6367] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] +++ exited with 0 +++ [pid 6371] <... bpf resumed>) = 4 [pid 6359] +++ exited with 0 +++ [pid 6356] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6371] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 6371] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 0 [pid 6371] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = 0 [pid 6367] <... futex resumed>) = 1 [pid 6369] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6367] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./4871", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4871", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] umount2("./4871/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4871/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4871/cgroup.cpu") = 0 [pid 297] umount2("./4871/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4871/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4871/binderfs") = 0 [pid 297] umount2("./4871/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4871/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4871/cgroup") = 0 [pid 6361] <... close resumed>) = 0 [pid 297] umount2("./4871/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6360] <... close resumed>) = 0 [pid 6361] close(6 [pid 6360] close(6 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4871/cgroup.net", [pid 6361] close(7 [pid 6360] close(7 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4871/cgroup.net" [pid 6361] close(8 [pid 6360] close(8 [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] close(9) = -1 EBADF (Bad file descriptor) [pid 6361] close(10 [pid 297] <... unlink resumed>) = 0 [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] getdents64(3, [pid 6361] close(11 [pid 6360] close(9 [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6361] close(12 [pid 6360] close(10 [pid 297] close(3 [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] close(13 [pid 6360] close(11 [pid 297] <... close resumed>) = 0 [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] rmdir("./4871" [pid 6361] close(14 [pid 6360] close(12 [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] close(15) = -1 EBADF (Bad file descriptor) [pid 6361] close(16 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] close(13 [pid 297] mkdir("./4872", 0777 [pid 6361] close(17 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] close(18) = -1 EBADF (Bad file descriptor) [pid 6361] close(19) = -1 EBADF (Bad file descriptor) [pid 6361] close(20) = -1 EBADF (Bad file descriptor) [pid 6361] close(21) = -1 EBADF (Bad file descriptor) [pid 6361] close(22) = -1 EBADF (Bad file descriptor) [pid 6360] close(14 [pid 297] <... mkdir resumed>) = 0 [pid 6361] close(23 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] close(15 [pid 6361] close(24) = -1 EBADF (Bad file descriptor) [pid 6361] close(25) = -1 EBADF (Bad file descriptor) [pid 6361] close(26) = -1 EBADF (Bad file descriptor) [pid 6361] close(27./strace-static-x86_64: Process 6372 attached ) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] set_robust_list(0x5555568776a0, 24 [pid 6361] close(28 [pid 6360] close(16 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14369 [pid 6372] <... set_robust_list resumed>) = 0 [pid 6361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] close(29) = -1 EBADF (Bad file descriptor) [pid 6372] chdir("./4872" [pid 6361] exit_group(0 [pid 6360] close(17 [pid 6372] <... chdir resumed>) = 0 [pid 6365] <... futex resumed>) = ? [pid 6363] <... futex resumed>) = ? [pid 6361] <... exit_group resumed>) = ? [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6365] +++ exited with 0 +++ [pid 6363] +++ exited with 0 +++ [pid 6361] +++ exited with 0 +++ [pid 6360] close(18 [pid 6372] <... prctl resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6372] setpgid(0, 0 [pid 6360] close(19 [pid 6372] <... setpgid resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6360] close(20 [pid 295] umount2("./4809", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6372] <... symlink resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6372] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6360] close(21 [pid 295] openat(AT_FDCWD, "./4809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6372] <... symlink resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6360] close(22 [pid 295] <... openat resumed>) = 3 [pid 6372] <... symlink resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(3, "", [pid 6372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6360] close(23 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6372] <... openat resumed>) = 3 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] getdents64(3, [pid 6372] write(3, "1000", 4 [pid 6360] close(24 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... write resumed>) = 4 [pid 6360] close(25 [pid 295] umount2("./4809/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6372] close(3 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6360] close(26 [pid 6372] symlink("/dev/binderfs", "./binderfs" [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] newfstatat(AT_FDCWD, "./4809/cgroup.cpu", [pid 6372] <... symlink resumed>) = 0 [pid 6360] close(27) = -1 EBADF (Bad file descriptor) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6372] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] close(28 [pid 295] unlink("./4809/cgroup.cpu" [pid 6372] <... futex resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6360] close(29 [pid 295] <... unlink resumed>) = 0 [pid 6372] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] umount2("./4809/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6360] exit_group(0 [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6364] <... futex resumed>) = ? [pid 6362] <... futex resumed>) = ? [pid 6360] <... exit_group resumed>) = ? [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6364] +++ exited with 0 +++ [pid 6362] +++ exited with 0 +++ [pid 6360] +++ exited with 0 +++ [pid 6372] <... mmap resumed>) = 0x7fd4ce11b000 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] newfstatat(AT_FDCWD, "./4809/binderfs", [pid 6372] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 6372] <... mprotect resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 295] unlink("./4809/binderfs" [pid 6372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 295] <... unlink resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6373 attached [pid 295] umount2("./4809/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6373] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6372] <... clone3 resumed> => {parent_tid=[14370]}, 88) = 14370 [pid 6373] <... set_robust_list resumed>) = 0 [pid 296] umount2("./4837", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6373] rt_sigprocmask(SIG_SETMASK, [], [pid 6372] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] openat(AT_FDCWD, "./4837", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6373] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... openat resumed>) = 3 [pid 295] newfstatat(AT_FDCWD, "./4809/cgroup", [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] newfstatat(3, "", [pid 6372] <... futex resumed>) = 0 [pid 6373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6372] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... bpf resumed>) = 3 [pid 296] getdents64(3, [pid 6373] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] unlink("./4809/cgroup" [pid 6373] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 0 [pid 296] umount2("./4837/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6373] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6372] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(AT_FDCWD, "./4837/cgroup.cpu", [pid 295] <... unlink resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6372] <... futex resumed>) = 1 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./4809/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6373] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6372] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] unlink("./4837/cgroup.cpu" [pid 6373] <... bpf resumed>) = 0 [pid 6372] <... futex resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6373] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] umount2("./4837/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6373] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6372] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] newfstatat(AT_FDCWD, "./4809/cgroup.net", [pid 6373] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] newfstatat(AT_FDCWD, "./4837/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6372] <... mprotect resumed>) = 0 [pid 296] unlink("./4837/binderfs" [pid 295] unlink("./4809/cgroup.net" [pid 6372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... unlink resumed>) = 0 [pid 296] umount2("./4837/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4837/cgroup", [pid 6372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] unlink("./4837/cgroup" [pid 295] getdents64(3, ./strace-static-x86_64: Process 6374 attached [pid 296] <... unlink resumed>) = 0 [pid 6374] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6372] <... clone3 resumed> => {parent_tid=[14371]}, 88) = 14371 [pid 296] umount2("./4837/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6374] <... set_robust_list resumed>) = 0 [pid 6372] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] close(3 [pid 6374] rt_sigprocmask(SIG_SETMASK, [], [pid 6372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] newfstatat(AT_FDCWD, "./4837/cgroup.net", [pid 6374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... close resumed>) = 0 [pid 6374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6372] <... futex resumed>) = 0 [pid 296] unlink("./4837/cgroup.net" [pid 295] rmdir("./4809" [pid 6374] <... bpf resumed>) = 4 [pid 6372] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... unlink resumed>) = 0 [pid 6374] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] getdents64(3, [pid 6374] <... futex resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6374] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] close(3 [pid 295] <... rmdir resumed>) = 0 [pid 6372] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... close resumed>) = 0 [pid 295] mkdir("./4810", 0777 [pid 6373] <... futex resumed>) = 0 [pid 6372] <... futex resumed>) = 1 [pid 296] rmdir("./4837" [pid 6373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6372] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] <... rmdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 296] mkdir("./4838", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6376 attached ./strace-static-x86_64: Process 6375 attached [pid 6376] set_robust_list(0x5555568776a0, 24 [pid 6375] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14290 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14187 [pid 6376] <... set_robust_list resumed>) = 0 [pid 6375] <... set_robust_list resumed>) = 0 [pid 6376] chdir("./4810" [pid 6375] chdir("./4838" [pid 6376] <... chdir resumed>) = 0 [pid 6375] <... chdir resumed>) = 0 [pid 6376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] <... prctl resumed>) = 0 [pid 6375] <... prctl resumed>) = 0 [pid 6376] setpgid(0, 0 [pid 6375] setpgid(0, 0 [pid 6376] <... setpgid resumed>) = 0 [pid 6375] <... setpgid resumed>) = 0 [pid 6376] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6375] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6376] <... symlink resumed>) = 0 [pid 6375] <... symlink resumed>) = 0 [pid 6376] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6375] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6376] <... symlink resumed>) = 0 [pid 6375] <... symlink resumed>) = 0 [pid 6373] <... bpf resumed>) = 5 [pid 6369] <... bpf resumed>) = 5 [pid 6368] <... bpf resumed>) = 5 [pid 6376] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6375] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6373] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... symlink resumed>) = 0 [pid 6375] <... symlink resumed>) = 0 [pid 6373] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6373] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] close(3 [pid 6369] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] close(3 [pid 6366] close(3 [pid 6376] <... openat resumed>) = 3 [pid 6375] <... openat resumed>) = 3 [pid 6376] write(3, "1000", 4 [pid 6375] write(3, "1000", 4 [pid 6372] <... close resumed>) = 0 [pid 6367] <... close resumed>) = 0 [pid 6366] <... close resumed>) = 0 [pid 6376] <... write resumed>) = 4 [pid 6375] <... write resumed>) = 4 [pid 6372] close(4 [pid 6367] close(4 [pid 6366] close(4 [pid 6376] close(3 [pid 6375] close(3 [pid 6372] <... close resumed>) = 0 [pid 6367] <... close resumed>) = 0 [pid 6376] <... close resumed>) = 0 [pid 6375] <... close resumed>) = 0 [pid 6372] close(5 [pid 6366] <... close resumed>) = 0 [pid 6367] close(5 [pid 6376] symlink("/dev/binderfs", "./binderfs" [pid 6375] symlink("/dev/binderfs", "./binderfs" [pid 6376] <... symlink resumed>) = 0 [pid 6375] <... symlink resumed>) = 0 [pid 6372] <... close resumed>) = 0 [pid 6367] <... close resumed>) = 0 [pid 6366] close(5 [pid 6376] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] close(6 [pid 6367] close(6 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = 0 [pid 6376] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6375] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6372] close(7 [pid 6367] close(7 [pid 6366] close(6 [pid 6376] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6375] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6372] close(8 [pid 6367] close(8 [pid 6366] close(7 [pid 6376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6372] close(9 [pid 6367] close(9 [pid 6366] close(8 [pid 6376] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6375] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6375] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6372] close(10 [pid 6367] close(10 [pid 6366] close(9 [pid 6376] <... mprotect resumed>) = 0 [pid 6375] <... mprotect resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6372] close(11 [pid 6367] close(11 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(10 [pid 6376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6372] close(12 [pid 6367] close(12./strace-static-x86_64: Process 6378 attached ./strace-static-x86_64: Process 6377 attached [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6377] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6376] <... clone3 resumed> => {parent_tid=[14188]}, 88) = 14188 [pid 6375] <... clone3 resumed> => {parent_tid=[14291]}, 88) = 14291 [pid 6372] close(13 [pid 6367] close(13 [pid 6366] close(11 [pid 6378] <... set_robust_list resumed>) = 0 [pid 6377] <... set_robust_list resumed>) = 0 [pid 6376] rt_sigprocmask(SIG_SETMASK, [], [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] rt_sigprocmask(SIG_SETMASK, [], [pid 6377] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] close(14 [pid 6367] close(14 [pid 6366] close(12 [pid 6378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6376] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6378] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6377] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6376] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] <... bpf resumed>) = 3 [pid 6377] <... bpf resumed>) = 3 [pid 6372] close(15 [pid 6367] close(15 [pid 6366] close(13 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] close(16 [pid 6372] close(16 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6377] <... futex resumed>) = 1 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(14 [pid 6378] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6376] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] close(17 [pid 6367] close(17 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6378] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6377] <... bpf resumed>) = 0 [pid 6376] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(15 [pid 6378] <... bpf resumed>) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6377] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6378] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6372] close(18 [pid 6367] close(18 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 0 [pid 6376] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6375] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(16 [pid 6378] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6375] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6372] close(19 [pid 6367] close(19 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... mprotect resumed>) = 0 [pid 6375] <... mprotect resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(17 [pid 6376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6372] close(20 [pid 6367] close(20 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6379 attached ./strace-static-x86_64: Process 6380 attached [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(18 [pid 6380] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6379] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6376] <... clone3 resumed> => {parent_tid=[14189]}, 88) = 14189 [pid 6372] close(21 [pid 6367] close(21 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] <... set_robust_list resumed>) = 0 [pid 6379] <... set_robust_list resumed>) = 0 [pid 6376] rt_sigprocmask(SIG_SETMASK, [], [pid 6375] <... clone3 resumed> => {parent_tid=[14292]}, 88) = 14292 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(19 [pid 6380] rt_sigprocmask(SIG_SETMASK, [], [pid 6379] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] close(22 [pid 6367] close(22 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6376] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(20 [pid 6380] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6376] <... futex resumed>) = 0 [pid 6372] close(23 [pid 6367] close(23 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... bpf resumed>) = 4 [pid 6376] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(21 [pid 6379] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] close(24 [pid 6367] close(24 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... futex resumed>) = 0 [pid 6376] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(22 [pid 6379] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 1 [pid 6372] close(25 [pid 6367] close(25 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] <... futex resumed>) = 0 [pid 6377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6376] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6375] <... futex resumed>) = 1 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(23 [pid 6380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6375] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] close(26 [pid 6367] close(26 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] <... bpf resumed>) = 4 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(24 [pid 6380] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] close(27 [pid 6367] close(27 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] <... futex resumed>) = 1 [pid 6375] <... futex resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(25 [pid 6380] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] close(28 [pid 6367] close(28 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 1 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(26 [pid 6375] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6372] close(29 [pid 6367] close(29 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6366] close(27 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] exit_group(0 [pid 6367] exit_group(0 [pid 6366] close(28) = -1 EBADF (Bad file descriptor) [pid 6374] <... futex resumed>) = ? [pid 6373] <... futex resumed>) = ? [pid 6372] <... exit_group resumed>) = ? [pid 6371] <... futex resumed>) = ? [pid 6369] <... futex resumed>) = ? [pid 6367] <... exit_group resumed>) = ? [pid 6374] +++ exited with 0 +++ [pid 6373] +++ exited with 0 +++ [pid 6371] +++ exited with 0 +++ [pid 6369] +++ exited with 0 +++ [pid 6366] close(29 [pid 6367] +++ exited with 0 +++ [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] +++ exited with 0 +++ [pid 6366] exit_group(0) = ? [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6370] <... futex resumed>) = 230 [pid 6370] +++ exited with 0 +++ [pid 6368] <... futex resumed>) = ? [pid 6368] +++ exited with 0 +++ [pid 6366] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 293] umount2("./4696", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... restart_syscall resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... restart_syscall resumed>) = 0 [pid 293] openat(AT_FDCWD, "./4696", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] umount2("./4872", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4758", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] newfstatat(3, "", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./4872", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] openat(AT_FDCWD, "./4758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... openat resumed>) = 3 [pid 293] getdents64(3, [pid 294] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 294] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] umount2("./4696/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] getdents64(3, [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4758/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] newfstatat(AT_FDCWD, "./4758/cgroup.cpu", [pid 293] newfstatat(AT_FDCWD, "./4696/cgroup.cpu", [pid 297] umount2("./4872/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4696/cgroup.cpu" [pid 6377] <... bpf resumed>) = 5 [pid 297] newfstatat(AT_FDCWD, "./4872/cgroup.cpu", [pid 294] unlink("./4758/cgroup.cpu" [pid 293] <... unlink resumed>) = 0 [pid 6378] <... bpf resumed>) = 5 [pid 6377] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4696/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6378] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... futex resumed>) = 1 [pid 6376] <... futex resumed>) = 0 [pid 297] unlink("./4872/cgroup.cpu" [pid 294] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] close(3 [pid 297] <... unlink resumed>) = 0 [pid 294] umount2("./4758/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6378] <... futex resumed>) = 1 [pid 6375] <... futex resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4696/binderfs", [pid 6378] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] <... close resumed>) = 0 [pid 6375] close(3 [pid 297] umount2("./4872/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6376] close(4 [pid 6375] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4758/binderfs", [pid 293] unlink("./4696/binderfs" [pid 6376] <... close resumed>) = 0 [pid 6375] close(4 [pid 297] newfstatat(AT_FDCWD, "./4872/binderfs", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6376] close(5 [pid 6375] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4758/binderfs" [pid 293] umount2("./4696/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6375] close(5 [pid 297] unlink("./4872/binderfs" [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4696/cgroup", [pid 297] umount2("./4872/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4758/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4696/cgroup" [pid 297] newfstatat(AT_FDCWD, "./4872/cgroup", [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] newfstatat(AT_FDCWD, "./4758/cgroup", [pid 293] umount2("./4696/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4872/cgroup" [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 294] unlink("./4758/cgroup" [pid 293] newfstatat(AT_FDCWD, "./4696/cgroup.net", [pid 297] umount2("./4872/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 293] unlink("./4696/cgroup.net" [pid 297] newfstatat(AT_FDCWD, "./4872/cgroup.net", [pid 294] umount2("./4758/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] getdents64(3, [pid 297] unlink("./4872/cgroup.net" [pid 294] newfstatat(AT_FDCWD, "./4758/cgroup.net", [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] close(3 [pid 297] getdents64(3, [pid 294] unlink("./4758/cgroup.net" [pid 293] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] rmdir("./4696" [pid 297] close(3 [pid 294] <... unlink resumed>) = 0 [pid 293] <... rmdir resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 294] getdents64(3, [pid 293] mkdir("./4697", 0777 [pid 297] rmdir("./4872" [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 294] close(3 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] mkdir("./4873", 0777 [pid 294] <... close resumed>) = 0 ./strace-static-x86_64: Process 6382 attached [pid 297] <... mkdir resumed>) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13853 [pid 6382] set_robust_list(0x5555568776a0, 24 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] rmdir("./4758"./strace-static-x86_64: Process 6383 attached [pid 6382] <... set_robust_list resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14372 [pid 294] <... rmdir resumed>) = 0 [pid 6383] set_robust_list(0x5555568776a0, 24) = 0 [pid 6382] chdir("./4697" [pid 294] mkdir("./4759", 0777 [pid 6383] chdir("./4873" [pid 6382] <... chdir resumed>) = 0 [pid 6383] <... chdir resumed>) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 6383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6383] <... prctl resumed>) = 0 [pid 6382] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6384 attached [pid 6383] setpgid(0, 0 [pid 6382] setpgid(0, 0 [pid 6384] set_robust_list(0x5555568776a0, 24 [pid 6383] <... setpgid resumed>) = 0 [pid 6382] <... setpgid resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14013 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6384] chdir("./4759" [pid 6383] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6384] <... chdir resumed>) = 0 [pid 6382] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6384] setpgid(0, 0 [pid 6383] <... symlink resumed>) = 0 [pid 6384] <... setpgid resumed>) = 0 [pid 6384] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6383] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6382] <... symlink resumed>) = 0 [pid 6384] <... symlink resumed>) = 0 [pid 6384] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6382] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6384] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6383] <... symlink resumed>) = 0 [pid 6384] <... symlink resumed>) = 0 [pid 6383] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6382] <... symlink resumed>) = 0 [pid 6384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6383] <... symlink resumed>) = 0 [pid 6382] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6384] <... openat resumed>) = 3 [pid 6384] write(3, "1000", 4) = 4 [pid 6384] close(3) = 0 [pid 6384] symlink("/dev/binderfs", "./binderfs" [pid 6383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6382] <... symlink resumed>) = 0 [pid 6384] <... symlink resumed>) = 0 [pid 6384] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6384] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6383] <... openat resumed>) = 3 [pid 6384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6383] write(3, "1000", 4 [pid 6382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6383] <... write resumed>) = 4 [pid 6384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6382] <... openat resumed>) = 3 [pid 6384] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6383] close(3 [pid 6382] write(3, "1000", 4 [pid 6384] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6383] <... close resumed>) = 0 [pid 6382] <... write resumed>) = 4 [pid 6384] <... mprotect resumed>) = 0 [pid 6383] symlink("/dev/binderfs", "./binderfs" [pid 6384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6382] close(3 [pid 6384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6383] <... symlink resumed>) = 0 [pid 6382] <... close resumed>) = 0 ./strace-static-x86_64: Process 6385 attached [pid 6383] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6384] <... clone3 resumed> => {parent_tid=[14014]}, 88) = 14014 [pid 6383] <... futex resumed>) = 0 [pid 6382] symlink("/dev/binderfs", "./binderfs" [pid 6385] <... set_robust_list resumed>) = 0 [pid 6384] rt_sigprocmask(SIG_SETMASK, [], [pid 6383] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6385] rt_sigprocmask(SIG_SETMASK, [], [pid 6384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] <... symlink resumed>) = 0 [pid 6383] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6384] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6382] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6384] <... futex resumed>) = 0 [pid 6383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] <... bpf resumed>) = 3 [pid 6384] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6382] <... futex resumed>) = 0 [pid 6385] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6382] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6385] <... futex resumed>) = 0 [pid 6384] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6383] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6385] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6384] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... mprotect resumed>) = 0 [pid 6382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6384] <... futex resumed>) = 0 [pid 6384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6385] <... bpf resumed>) = 0 [pid 6384] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6384] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6385] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6383] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6385] <... futex resumed>) = 0 [pid 6384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6383] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6385] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6386 attached [pid 6382] <... mmap resumed>) = 0x7fd4ce11b000 ./strace-static-x86_64: Process 6387 attached [pid 6386] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6384] <... clone3 resumed> => {parent_tid=[14015]}, 88) = 14015 [pid 6382] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6387] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6386] <... set_robust_list resumed>) = 0 [pid 6384] rt_sigprocmask(SIG_SETMASK, [], [pid 6383] <... clone3 resumed> => {parent_tid=[14373]}, 88) = 14373 [pid 6382] <... mprotect resumed>) = 0 [pid 6387] <... set_robust_list resumed>) = 0 [pid 6386] rt_sigprocmask(SIG_SETMASK, [], [pid 6384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6387] rt_sigprocmask(SIG_SETMASK, [], [pid 6384] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] rt_sigprocmask(SIG_SETMASK, [], [pid 6382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6384] <... futex resumed>) = 0 [pid 6383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6387] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... bpf resumed>) = 4 [pid 6383] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 1 [pid 6384] <... futex resumed>) = 0 [pid 6383] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6388 attached [pid 6387] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6386] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6387] <... bpf resumed>) = 3 [pid 6384] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6382] <... clone3 resumed> => {parent_tid=[13854]}, 88) = 13854 [pid 6388] <... set_robust_list resumed>) = 0 [pid 6387] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6384] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6382] rt_sigprocmask(SIG_SETMASK, [], [pid 6388] rt_sigprocmask(SIG_SETMASK, [], [pid 6387] <... futex resumed>) = 1 [pid 6383] <... futex resumed>) = 0 [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6387] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6388] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] <... futex resumed>) = 0 [pid 6382] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... close resumed>) = 0 [pid 6375] <... close resumed>) = 0 [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6383] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... futex resumed>) = 0 [pid 6376] close(6 [pid 6375] close(6 [pid 6388] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6387] <... bpf resumed>) = 0 [pid 6383] <... futex resumed>) = 0 [pid 6382] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] <... bpf resumed>) = 3 [pid 6387] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] close(7 [pid 6375] close(7 [pid 6388] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... futex resumed>) = 0 [pid 6383] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] <... futex resumed>) = 1 [pid 6387] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6382] <... futex resumed>) = 0 [pid 6376] close(8 [pid 6375] close(8 [pid 6388] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] <... mprotect resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6382] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] close(9 [pid 6375] close(9 [pid 6388] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6383] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6382] <... futex resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] <... bpf resumed>) = 0 [pid 6383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6382] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] close(10 [pid 6375] close(10 [pid 6388] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6389 attached [pid 6388] <... futex resumed>) = 0 [pid 6376] close(11 [pid 6375] close(11 [pid 6389] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6388] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] <... clone3 resumed> => {parent_tid=[14374]}, 88) = 14374 [pid 6382] <... futex resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... set_robust_list resumed>) = 0 [pid 6383] rt_sigprocmask(SIG_SETMASK, [], [pid 6382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] close(12 [pid 6375] close(12 [pid 6389] rt_sigprocmask(SIG_SETMASK, [], [pid 6383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6382] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6383] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6376] close(13 [pid 6375] close(13 [pid 6389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6383] <... futex resumed>) = 0 [pid 6382] <... mprotect resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(14 [pid 6375] close(14 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(15 [pid 6375] close(15 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(16 [pid 6375] close(16 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... bpf resumed>) = 4 [pid 6383] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] close(17 [pid 6375] close(17 [pid 6389] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... futex resumed>) = 0 [pid 6383] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6376] close(18 [pid 6375] close(18 [pid 6389] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... futex resumed>) = 0 [pid 6383] <... futex resumed>) = 1 [pid 6382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6383] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6376] close(19 [pid 6375] close(19 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(20 [pid 6375] close(20 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6390 attached [pid 6376] close(21 [pid 6375] close(21 [pid 6390] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... set_robust_list resumed>) = 0 [pid 6382] <... clone3 resumed> => {parent_tid=[13855]}, 88) = 13855 [pid 6376] close(22 [pid 6375] close(22 [pid 6390] rt_sigprocmask(SIG_SETMASK, [], [pid 6382] rt_sigprocmask(SIG_SETMASK, [], [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6376] close(23 [pid 6375] close(23 [pid 6390] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(24 [pid 6375] close(24 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(25 [pid 6375] close(25 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(26 [pid 6375] close(26 [pid 6390] <... futex resumed>) = 0 [pid 6382] <... futex resumed>) = 1 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6382] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] close(27 [pid 6375] close(27 [pid 6390] <... bpf resumed>) = 4 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] close(28 [pid 6375] close(28 [pid 6390] <... futex resumed>) = 1 [pid 6382] <... futex resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] close(29 [pid 6375] close(29 [pid 6388] <... futex resumed>) = 0 [pid 6382] <... futex resumed>) = 1 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6382] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6376] exit_group(0 [pid 6375] exit_group(0 [pid 6380] <... futex resumed>) = ? [pid 6379] <... futex resumed>) = ? [pid 6378] <... futex resumed>) = ? [pid 6377] <... futex resumed>) = ? [pid 6376] <... exit_group resumed>) = ? [pid 6375] <... exit_group resumed>) = ? [pid 6380] +++ exited with 0 +++ [pid 6379] +++ exited with 0 +++ [pid 6378] +++ exited with 0 +++ [pid 6377] +++ exited with 0 +++ [pid 6376] +++ exited with 0 +++ [pid 6375] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./4810", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4838", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] openat(AT_FDCWD, "./4810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 296] openat(AT_FDCWD, "./4838", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] newfstatat(3, "", [pid 296] <... openat resumed>) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(3, "", [pid 295] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] getdents64(3, [pid 295] umount2("./4810/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4810/cgroup.cpu", [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4838/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4810/cgroup.cpu" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4838/cgroup.cpu", [pid 295] umount2("./4810/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./4838/cgroup.cpu" [pid 295] newfstatat(AT_FDCWD, "./4810/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4810/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] umount2("./4838/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4810/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4838/binderfs", [pid 295] newfstatat(AT_FDCWD, "./4810/cgroup", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4838/binderfs" [pid 295] unlink("./4810/cgroup" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] umount2("./4838/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4810/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4838/cgroup", [pid 295] newfstatat(AT_FDCWD, "./4810/cgroup.net", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4838/cgroup" [pid 295] unlink("./4810/cgroup.net" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] umount2("./4838/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(AT_FDCWD, "./4838/cgroup.net", [pid 295] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... close resumed>) = 0 [pid 296] unlink("./4838/cgroup.net" [pid 295] rmdir("./4810" [pid 296] <... unlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 296] getdents64(3, [pid 295] mkdir("./4811", 0777 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 296] close(3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... close resumed>) = 0 ./strace-static-x86_64: Process 6391 attached [pid 296] rmdir("./4838" [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14190 [pid 6391] set_robust_list(0x5555568776a0, 24 [pid 296] <... rmdir resumed>) = 0 [pid 6391] <... set_robust_list resumed>) = 0 [pid 296] mkdir("./4839", 0777 [pid 6391] chdir("./4811") = 0 [pid 296] <... mkdir resumed>) = 0 [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6391] setpgid(0, 0./strace-static-x86_64: Process 6392 attached ) = 0 [pid 6392] set_robust_list(0x5555568776a0, 24) = 0 [pid 6392] chdir("./4839" [pid 6391] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14293 [pid 6392] <... chdir resumed>) = 0 [pid 6392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6392] setpgid(0, 0 [pid 6391] <... symlink resumed>) = 0 [pid 6392] <... setpgid resumed>) = 0 [pid 6392] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6391] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6392] <... symlink resumed>) = 0 [pid 6392] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6391] <... symlink resumed>) = 0 [pid 6392] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6391] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6392] <... symlink resumed>) = 0 [pid 6392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6391] <... symlink resumed>) = 0 [pid 6392] write(3, "1000", 4 [pid 6388] <... bpf resumed>) = 5 [pid 6387] <... bpf resumed>) = 5 [pid 6385] <... bpf resumed>) = 5 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6392] <... write resumed>) = 4 [pid 6388] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] close(3 [pid 6388] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 1 [pid 6383] <... futex resumed>) = 0 [pid 6382] <... futex resumed>) = 0 [pid 6392] <... close resumed>) = 0 [pid 6391] <... openat resumed>) = 3 [pid 6388] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6385] <... futex resumed>) = 1 [pid 6384] <... futex resumed>) = 0 [pid 6383] close(3 [pid 6382] close(3 [pid 6392] symlink("/dev/binderfs", "./binderfs" [pid 6391] write(3, "1000", 4 [pid 6385] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] close(3 [pid 6383] <... close resumed>) = 0 [pid 6382] <... close resumed>) = 0 [pid 6392] <... symlink resumed>) = 0 [pid 6391] <... write resumed>) = 4 [pid 6384] <... close resumed>) = 0 [pid 6383] close(4 [pid 6382] close(4 [pid 6392] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] close(3 [pid 6384] close(4 [pid 6383] <... close resumed>) = 0 [pid 6382] <... close resumed>) = 0 [pid 6392] <... futex resumed>) = 0 [pid 6391] <... close resumed>) = 0 [pid 6384] <... close resumed>) = 0 [pid 6383] close(5 [pid 6382] close(5 [pid 6392] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6391] symlink("/dev/binderfs", "./binderfs" [pid 6384] close(5 [pid 6383] <... close resumed>) = 0 [pid 6382] <... close resumed>) = 0 [pid 6392] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6391] <... symlink resumed>) = 0 [pid 6384] <... close resumed>) = 0 [pid 6383] close(6 [pid 6382] close(6 [pid 6392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6391] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] close(6 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(7 [pid 6382] close(7 [pid 6392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6391] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6384] close(7 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6391] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(8 [pid 6382] close(8 [pid 6392] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6384] close(8 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... mprotect resumed>) = 0 [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(9 [pid 6382] close(9 [pid 6392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6384] close(9 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6391] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(10 [pid 6382] close(10 [pid 6392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6384] close(10 [pid 6391] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6393 attached [pid 6391] <... mprotect resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(11 [pid 6382] close(11 [pid 6393] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6392] <... clone3 resumed> => {parent_tid=[14294]}, 88) = 14294 [pid 6384] close(11 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... set_robust_list resumed>) = 0 [pid 6392] rt_sigprocmask(SIG_SETMASK, [], [pid 6391] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(12 [pid 6382] close(12 [pid 6393] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6384] close(12 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6392] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(13 [pid 6382] close(13 [pid 6393] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6392] <... futex resumed>) = 0 [pid 6384] close(13 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6394 attached [pid 6393] <... bpf resumed>) = 3 [pid 6392] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(14 [pid 6382] close(14 [pid 6394] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6393] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... clone3 resumed> => {parent_tid=[14191]}, 88) = 14191 [pid 6384] close(14 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... set_robust_list resumed>) = 0 [pid 6393] <... futex resumed>) = 0 [pid 6392] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] rt_sigprocmask(SIG_SETMASK, [], [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(15 [pid 6382] close(15 [pid 6394] rt_sigprocmask(SIG_SETMASK, [], [pid 6393] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6392] <... futex resumed>) = 0 [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6384] close(15 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6392] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... bpf resumed>) = 0 [pid 6383] close(16 [pid 6391] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] close(16 [pid 6394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6393] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = 0 [pid 6384] close(16 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... bpf resumed>) = 3 [pid 6393] <... futex resumed>) = 0 [pid 6392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6391] <... futex resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(17 [pid 6382] close(17 [pid 6394] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6391] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] close(17 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... futex resumed>) = 0 [pid 6392] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(18 [pid 6382] close(18 [pid 6394] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] <... mprotect resumed>) = 0 [pid 6391] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] close(18 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6391] <... futex resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(19 [pid 6382] close(19 [pid 6394] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6391] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] close(19 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... bpf resumed>) = 0 [pid 6392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6391] <... futex resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(20 [pid 6382] close(20./strace-static-x86_64: Process 6395 attached [pid 6394] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6384] close(20 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6394] <... futex resumed>) = 0 [pid 6392] <... clone3 resumed> => {parent_tid=[14295]}, 88) = 14295 [pid 6391] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(21 [pid 6382] close(21 [pid 6395] <... set_robust_list resumed>) = 0 [pid 6394] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] rt_sigprocmask(SIG_SETMASK, [], [pid 6391] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6384] close(21 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] <... mprotect resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(22 [pid 6382] close(22 [pid 6395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6392] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] close(22 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6392] <... futex resumed>) = 0 [pid 6391] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(23 [pid 6382] close(23 [pid 6392] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] close(23 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(24 [pid 6382] close(24 [pid 6384] close(24 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(25 [pid 6382] close(25 [pid 6395] <... bpf resumed>) = 4 [pid 6391] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6384] close(25 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(26 [pid 6382] close(26 [pid 6395] <... futex resumed>) = 1 [pid 6392] <... futex resumed>) = 0 [pid 6384] close(26 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6396 attached [pid 6395] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(27 [pid 6382] close(27 [pid 6396] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6393] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = 1 [pid 6391] <... clone3 resumed> => {parent_tid=[14192]}, 88) = 14192 [pid 6384] close(27 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6396] <... set_robust_list resumed>) = 0 [pid 6393] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6392] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6391] rt_sigprocmask(SIG_SETMASK, [], [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(28 [pid 6382] close(28 [pid 6396] rt_sigprocmask(SIG_SETMASK, [], [pid 6384] close(28 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(29 [pid 6382] close(29 [pid 6396] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] close(29 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... futex resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] exit_group(0 [pid 6382] exit_group(0 [pid 6396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6391] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... futex resumed>) = ? [pid 6389] <... futex resumed>) = ? [pid 6388] <... futex resumed>) = ? [pid 6387] <... futex resumed>) = ? [pid 6384] exit_group(0 [pid 6383] <... exit_group resumed>) = ? [pid 6382] <... exit_group resumed>) = ? [pid 6396] <... bpf resumed>) = 4 [pid 6390] +++ exited with 0 +++ [pid 6389] +++ exited with 0 +++ [pid 6388] +++ exited with 0 +++ [pid 6387] +++ exited with 0 +++ [pid 6386] <... futex resumed>) = ? [pid 6385] <... futex resumed>) = ? [pid 6384] <... exit_group resumed>) = ? [pid 6383] +++ exited with 0 +++ [pid 6382] +++ exited with 0 +++ [pid 6396] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] +++ exited with 0 +++ [pid 6385] +++ exited with 0 +++ [pid 6384] +++ exited with 0 +++ [pid 6396] <... futex resumed>) = 1 [pid 6391] <... futex resumed>) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6396] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6394] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 1 [pid 6394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 297] umount2("./4873", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] umount2("./4759", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4697", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] openat(AT_FDCWD, "./4873", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... openat resumed>) = 3 [pid 294] openat(AT_FDCWD, "./4759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] newfstatat(3, "", [pid 293] openat(AT_FDCWD, "./4697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... openat resumed>) = 3 [pid 293] <... openat resumed>) = 3 [pid 297] getdents64(3, [pid 294] newfstatat(3, "", [pid 293] newfstatat(3, "", [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] umount2("./4873/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] getdents64(3, [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 297] newfstatat(AT_FDCWD, "./4873/cgroup.cpu", [pid 294] umount2("./4759/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4697/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] unlink("./4873/cgroup.cpu" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4759/cgroup.cpu", [pid 293] newfstatat(AT_FDCWD, "./4697/cgroup.cpu", [pid 297] umount2("./4873/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4759/cgroup.cpu" [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./4873/binderfs", [pid 294] <... unlink resumed>) = 0 [pid 293] unlink("./4697/cgroup.cpu" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4759/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4873/binderfs" [pid 294] newfstatat(AT_FDCWD, "./4759/binderfs", [pid 293] umount2("./4697/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6394] <... bpf resumed>) = 5 [pid 6393] <... bpf resumed>) = 5 [pid 297] <... unlink resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] umount2("./4873/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] unlink("./4759/binderfs" [pid 293] newfstatat(AT_FDCWD, "./4697/binderfs", [pid 6394] <... futex resumed>) = 1 [pid 6393] <... futex resumed>) = 1 [pid 6392] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] close(3 [pid 6391] close(3 [pid 297] newfstatat(AT_FDCWD, "./4873/cgroup", [pid 294] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6392] <... close resumed>) = 0 [pid 6391] <... close resumed>) = 0 [pid 6392] close(4 [pid 6391] close(4 [pid 6392] <... close resumed>) = 0 [pid 6391] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4759/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4697/binderfs" [pid 6392] close(5 [pid 6391] close(5 [pid 297] unlink("./4873/cgroup" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4759/cgroup", [pid 293] <... unlink resumed>) = 0 [pid 297] umount2("./4873/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./4697/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./4873/cgroup.net", [pid 294] unlink("./4759/cgroup" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./4873/cgroup.net" [pid 294] <... unlink resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4697/cgroup", [pid 297] <... unlink resumed>) = 0 [pid 294] umount2("./4759/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4697/cgroup" [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] newfstatat(AT_FDCWD, "./4759/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4759/cgroup.net" [pid 297] close(3 [pid 293] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 294] getdents64(3, [pid 297] <... close resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] umount2("./4697/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] rmdir("./4873" [pid 294] close(3) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] rmdir("./4759" [pid 297] <... rmdir resumed>) = 0 [pid 294] <... rmdir resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4697/cgroup.net", [pid 297] mkdir("./4874", 0777 [pid 294] mkdir("./4760", 0777 [pid 297] <... mkdir resumed>) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] unlink("./4697/cgroup.net"./strace-static-x86_64: Process 6398 attached ./strace-static-x86_64: Process 6397 attached [pid 6397] set_robust_list(0x5555568776a0, 24 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14016 [pid 6398] set_robust_list(0x5555568776a0, 24 [pid 6397] <... set_robust_list resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14375 [pid 293] <... unlink resumed>) = 0 [pid 6398] <... set_robust_list resumed>) = 0 [pid 6397] chdir("./4760" [pid 293] getdents64(3, [pid 6397] <... chdir resumed>) = 0 [pid 6397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6398] chdir("./4874" [pid 6397] <... prctl resumed>) = 0 [pid 6398] <... chdir resumed>) = 0 [pid 6397] setpgid(0, 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6397] <... setpgid resumed>) = 0 [pid 6398] <... prctl resumed>) = 0 [pid 6397] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 293] close(3 [pid 6398] setpgid(0, 0 [pid 6397] <... symlink resumed>) = 0 [pid 6398] <... setpgid resumed>) = 0 [pid 6397] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 293] <... close resumed>) = 0 [pid 6398] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6397] <... symlink resumed>) = 0 [pid 293] rmdir("./4697" [pid 6397] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6398] <... symlink resumed>) = 0 [pid 6397] <... symlink resumed>) = 0 [pid 6397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6398] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6397] <... openat resumed>) = 3 [pid 293] <... rmdir resumed>) = 0 [pid 6397] write(3, "1000", 4 [pid 6398] <... symlink resumed>) = 0 [pid 6397] <... write resumed>) = 4 [pid 6397] close(3 [pid 6398] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6397] <... close resumed>) = 0 [pid 293] mkdir("./4698", 0777 [pid 6397] symlink("/dev/binderfs", "./binderfs" [pid 6398] <... symlink resumed>) = 0 [pid 6397] <... symlink resumed>) = 0 [pid 6397] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6397] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 293] <... mkdir resumed>) = 0 [pid 6398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6397] <... rt_sigaction resumed>NULL, 8) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6398] <... openat resumed>) = 3 [pid 6397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6397] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6399 attached [pid 6398] write(3, "1000", 4 [pid 6397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6399] set_robust_list(0x5555568776a0, 24 [pid 6398] <... write resumed>) = 4 [pid 6397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13856 [pid 6399] <... set_robust_list resumed>) = 0 [pid 6397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6400 attached [pid 6399] chdir("./4698" [pid 6398] close(3 [pid 6400] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6399] <... chdir resumed>) = 0 [pid 6397] <... clone3 resumed> => {parent_tid=[14017]}, 88) = 14017 [pid 6398] <... close resumed>) = 0 [pid 6400] <... set_robust_list resumed>) = 0 [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6398] symlink("/dev/binderfs", "./binderfs" [pid 6397] rt_sigprocmask(SIG_SETMASK, [], [pid 6400] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] <... prctl resumed>) = 0 [pid 6398] <... symlink resumed>) = 0 [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6392] <... close resumed>) = 0 [pid 6391] <... close resumed>) = 0 [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6399] setpgid(0, 0 [pid 6398] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] close(6 [pid 6391] close(6 [pid 6400] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6399] <... setpgid resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... bpf resumed>) = 3 [pid 6397] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6392] close(7 [pid 6391] close(7 [pid 6400] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6398] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... futex resumed>) = 0 [pid 6397] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] close(8 [pid 6391] close(8 [pid 6400] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6399] <... symlink resumed>) = 0 [pid 6398] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... bpf resumed>) = 0 [pid 6399] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6397] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] close(9 [pid 6391] close(9 [pid 6400] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... futex resumed>) = 0 [pid 6399] <... symlink resumed>) = 0 [pid 6398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6392] close(10 [pid 6391] close(10 [pid 6400] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6397] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... symlink resumed>) = 0 [pid 6397] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6392] close(11 [pid 6391] close(11 [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6398] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6397] <... mprotect resumed>) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... openat resumed>) = 3 [pid 6398] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6392] close(12 [pid 6391] close(12 [pid 6399] write(3, "1000", 4 [pid 6398] <... mprotect resumed>) = 0 [pid 6397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... write resumed>) = 4 [pid 6397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6392] close(13 [pid 6391] close(13./strace-static-x86_64: Process 6401 attached [pid 6399] close(3 [pid 6398] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6399] <... close resumed>) = 0 [pid 6398] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6397] <... clone3 resumed> => {parent_tid=[14018]}, 88) = 14018 [pid 6392] close(14 [pid 6391] close(14 [pid 6401] <... set_robust_list resumed>) = 0 [pid 6399] symlink("/dev/binderfs", "./binderfs" [pid 6398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6397] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] rt_sigprocmask(SIG_SETMASK, [], [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6392] close(15 [pid 6391] close(15./strace-static-x86_64: Process 6402 attached [pid 6399] <... symlink resumed>) = 0 [pid 6397] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6399] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... clone3 resumed> => {parent_tid=[14376]}, 88) = 14376 [pid 6397] <... futex resumed>) = 0 [pid 6392] close(16 [pid 6391] close(16 [pid 6402] <... set_robust_list resumed>) = 0 [pid 6397] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] close(17 [pid 6391] close(17 [pid 6402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6401] <... bpf resumed>) = 4 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... futex resumed>) = 0 [pid 6398] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] close(18 [pid 6391] close(18 [pid 6401] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(19 [pid 6391] close(19 [pid 6399] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6398] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] <... futex resumed>) = 1 [pid 6397] <... futex resumed>) = 0 [pid 6402] <... futex resumed>) = 0 [pid 6399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6398] <... futex resumed>) = 1 [pid 6397] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] close(20 [pid 6391] close(20 [pid 6401] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... futex resumed>) = 1 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] <... bpf resumed>) = 3 [pid 6400] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6397] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6392] close(21 [pid 6391] close(21 [pid 6402] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] <... futex resumed>) = 1 [pid 6399] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6398] <... futex resumed>) = 0 [pid 6392] close(22 [pid 6391] close(22 [pid 6402] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] <... futex resumed>) = 0 [pid 6392] close(23 [pid 6391] close(23 [pid 6402] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6398] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] <... bpf resumed>) = 0 [pid 6399] <... mprotect resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6392] close(24 [pid 6391] close(24 [pid 6402] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] <... futex resumed>) = 0 [pid 6399] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6398] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6392] close(25 [pid 6391] close(25 [pid 6402] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6398] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6398] <... mprotect resumed>) = 0 [pid 6392] close(26 [pid 6391] close(26 [pid 6398] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6403 attached [pid 6398] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6392] close(27 [pid 6391] close(27 [pid 6403] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6399] <... clone3 resumed> => {parent_tid=[13857]}, 88) = 13857 [pid 6398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6404 attached [pid 6403] <... set_robust_list resumed>) = 0 [pid 6399] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] close(28 [pid 6391] close(28 [pid 6404] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6403] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] <... clone3 resumed> => {parent_tid=[14377]}, 88) = 14377 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... set_robust_list resumed>) = 0 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6399] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] rt_sigprocmask(SIG_SETMASK, [], [pid 6392] close(29 [pid 6391] close(29 [pid 6404] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6399] <... futex resumed>) = 0 [pid 6398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... bpf resumed>) = 3 [pid 6399] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] exit_group(0 [pid 6391] exit_group(0 [pid 6404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6403] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = ? [pid 6395] <... futex resumed>) = ? [pid 6394] <... futex resumed>) = ? [pid 6393] <... futex resumed>) = ? [pid 6392] <... exit_group resumed>) = ? [pid 6391] <... exit_group resumed>) = ? [pid 6404] <... bpf resumed>) = 4 [pid 6398] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] +++ exited with 0 +++ [pid 6394] +++ exited with 0 +++ [pid 6391] +++ exited with 0 +++ [pid 6395] +++ exited with 0 +++ [pid 6393] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6403] <... futex resumed>) = 0 [pid 6403] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] +++ exited with 0 +++ [pid 6399] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... restart_syscall resumed>) = 0 [pid 6404] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... futex resumed>) = 0 [pid 6399] <... futex resumed>) = 1 [pid 6404] <... futex resumed>) = 1 [pid 6403] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6399] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6404] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] <... bpf resumed>) = 0 [pid 6399] <... futex resumed>) = 0 [pid 6398] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] umount2("./4811", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6403] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... futex resumed>) = 0 [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6398] <... futex resumed>) = 1 [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6403] <... futex resumed>) = 0 [pid 6402] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6399] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6398] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] openat(AT_FDCWD, "./4811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6403] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 6399] <... mprotect resumed>) = 0 [pid 296] umount2("./4839", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6399] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] getdents64(3, [pid 6399] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] openat(AT_FDCWD, "./4839", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4811/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 [pid 295] newfstatat(AT_FDCWD, "./4811/cgroup.cpu", ./strace-static-x86_64: Process 6405 attached [pid 296] newfstatat(3, "", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6405] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6399] <... clone3 resumed> => {parent_tid=[13858]}, 88) = 13858 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] unlink("./4811/cgroup.cpu" [pid 6405] <... set_robust_list resumed>) = 0 [pid 6399] rt_sigprocmask(SIG_SETMASK, [], [pid 295] <... unlink resumed>) = 0 [pid 6405] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] getdents64(3, [pid 295] umount2("./4811/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6399] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6405] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6399] <... futex resumed>) = 0 [pid 296] umount2("./4839/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4811/binderfs", [pid 6405] <... bpf resumed>) = 4 [pid 6399] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6405] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(AT_FDCWD, "./4839/cgroup.cpu", [pid 295] unlink("./4811/binderfs" [pid 6405] <... futex resumed>) = 1 [pid 6399] <... futex resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6405] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] unlink("./4839/cgroup.cpu" [pid 295] umount2("./4811/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6403] <... futex resumed>) = 0 [pid 6399] <... futex resumed>) = 1 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6403] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6399] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] newfstatat(AT_FDCWD, "./4811/cgroup", [pid 296] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./4839/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4811/cgroup" [pid 6403] <... bpf resumed>) = 5 [pid 6402] <... bpf resumed>) = 5 [pid 6400] <... bpf resumed>) = 5 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 6403] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] newfstatat(AT_FDCWD, "./4839/binderfs", [pid 295] umount2("./4811/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6403] <... futex resumed>) = 1 [pid 6402] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 1 [pid 6399] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6403] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] close(3 [pid 6398] close(3 [pid 6397] close(3 [pid 296] unlink("./4839/binderfs" [pid 295] newfstatat(AT_FDCWD, "./4811/cgroup.net", [pid 6399] <... close resumed>) = 0 [pid 6398] <... close resumed>) = 0 [pid 6397] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6399] close(4 [pid 6397] close(4 [pid 295] unlink("./4811/cgroup.net" [pid 6399] <... close resumed>) = 0 [pid 6398] close(4 [pid 6397] <... close resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6399] close(5 [pid 6397] close(5 [pid 295] getdents64(3, [pid 6399] <... close resumed>) = 0 [pid 6398] <... close resumed>) = 0 [pid 296] umount2("./4839/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6399] close(6 [pid 6398] close(5 [pid 295] close(3 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... close resumed>) = 0 [pid 6399] close(7 [pid 296] newfstatat(AT_FDCWD, "./4839/cgroup", [pid 295] rmdir("./4811" [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 6399] close(8 [pid 296] unlink("./4839/cgroup" [pid 295] mkdir("./4812", 0777 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... unlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 6399] close(9 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] umount2("./4839/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6406 attached [pid 6399] close(10 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14193 [pid 6406] set_robust_list(0x5555568776a0, 24 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... set_robust_list resumed>) = 0 [pid 6399] close(11 [pid 296] newfstatat(AT_FDCWD, "./4839/cgroup.net", [pid 6406] chdir("./4812" [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(12) = -1 EBADF (Bad file descriptor) [pid 6399] close(13 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6406] <... chdir resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] unlink("./4839/cgroup.net" [pid 6406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6399] close(14) = -1 EBADF (Bad file descriptor) [pid 6399] close(15) = -1 EBADF (Bad file descriptor) [pid 6406] <... prctl resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 6399] close(16) = -1 EBADF (Bad file descriptor) [pid 6399] close(17) = -1 EBADF (Bad file descriptor) [pid 6406] setpgid(0, 0 [pid 6399] close(18 [pid 296] getdents64(3, [pid 6406] <... setpgid resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(19 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(20 [pid 6406] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] close(3 [pid 6399] close(21) = -1 EBADF (Bad file descriptor) [pid 6399] close(22 [pid 6406] <... symlink resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(23 [pid 6406] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 296] <... close resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(24 [pid 6406] <... symlink resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] rmdir("./4839" [pid 6406] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6399] close(25) = -1 EBADF (Bad file descriptor) [pid 6399] close(26) = -1 EBADF (Bad file descriptor) [pid 6399] close(27) = -1 EBADF (Bad file descriptor) [pid 6399] close(28 [pid 296] <... rmdir resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(29) = -1 EBADF (Bad file descriptor) [pid 6406] <... symlink resumed>) = 0 [pid 6399] exit_group(0 [pid 296] mkdir("./4840", 0777 [pid 6406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6405] <... futex resumed>) = ? [pid 6403] <... futex resumed>) = ? [pid 6399] <... exit_group resumed>) = ? [pid 6406] <... openat resumed>) = 3 [pid 6405] +++ exited with 0 +++ [pid 6403] +++ exited with 0 +++ [pid 6399] +++ exited with 0 +++ [pid 296] <... mkdir resumed>) = 0 [pid 6406] write(3, "1000", 4 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6406] <... write resumed>) = 4 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14296 ./strace-static-x86_64: Process 6407 attached [pid 6406] close(3 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6406] <... close resumed>) = 0 [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 6407] set_robust_list(0x5555568776a0, 24) = 0 [pid 6406] symlink("/dev/binderfs", "./binderfs" [pid 6407] chdir("./4840" [pid 293] <... restart_syscall resumed>) = 0 [pid 6407] <... chdir resumed>) = 0 [pid 6407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6406] <... symlink resumed>) = 0 [pid 6407] <... prctl resumed>) = 0 [pid 6406] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] setpgid(0, 0 [pid 6406] <... futex resumed>) = 0 [pid 6407] <... setpgid resumed>) = 0 [pid 6406] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 293] umount2("./4698", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6406] <... rt_sigaction resumed>NULL, 8) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] <... symlink resumed>) = 0 [pid 6406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 293] openat(AT_FDCWD, "./4698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6407] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] <... openat resumed>) = 3 [pid 6406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 293] newfstatat(3, "", [pid 6407] <... symlink resumed>) = 0 [pid 6406] <... mmap resumed>) = 0x7fd4ce11b000 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6407] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6406] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 293] getdents64(3, [pid 6407] <... symlink resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6406] <... mprotect resumed>) = 0 [pid 6406] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] umount2("./4698/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] <... openat resumed>) = 3 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6407] write(3, "1000", 4 [pid 293] newfstatat(AT_FDCWD, "./4698/cgroup.cpu", [pid 6407] <... write resumed>) = 4 [pid 6406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6407] close(3 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6408 attached [pid 6407] <... close resumed>) = 0 [pid 293] unlink("./4698/cgroup.cpu" [pid 6408] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6407] symlink("/dev/binderfs", "./binderfs" [pid 6406] <... clone3 resumed> => {parent_tid=[14194]}, 88) = 14194 [pid 6408] <... set_robust_list resumed>) = 0 [pid 6408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6408] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] <... symlink resumed>) = 0 [pid 6406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] umount2("./4698/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6408] <... futex resumed>) = 0 [pid 6407] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6406] <... futex resumed>) = 1 [pid 293] newfstatat(AT_FDCWD, "./4698/binderfs", [pid 6408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6407] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6406] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... bpf resumed>) = 3 [pid 6407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6408] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] unlink("./4698/binderfs" [pid 6408] <... futex resumed>) = 1 [pid 6407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6406] <... futex resumed>) = 0 [pid 6408] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6407] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6406] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... unlink resumed>) = 0 [pid 6408] <... bpf resumed>) = 0 [pid 6407] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6406] <... futex resumed>) = 0 [pid 6408] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... mprotect resumed>) = 0 [pid 293] umount2("./4698/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6406] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = 0 [pid 6408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6407] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6406] <... futex resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6406] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6409 attached [pid 6408] <... bpf resumed>) = 4 [pid 293] newfstatat(AT_FDCWD, "./4698/cgroup", [pid 6409] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6408] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... clone3 resumed> => {parent_tid=[14297]}, 88) = 14297 [pid 6409] <... set_robust_list resumed>) = 0 [pid 6408] <... futex resumed>) = 1 [pid 6407] rt_sigprocmask(SIG_SETMASK, [], [pid 6406] <... futex resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6409] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6406] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] unlink("./4698/cgroup" [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6407] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = 0 [pid 6407] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... unlink resumed>) = 0 [pid 6409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6406] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 293] umount2("./4698/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6409] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4698/cgroup.net", [pid 6409] <... bpf resumed>) = 3 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6409] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] unlink("./4698/cgroup.net" [pid 6409] <... futex resumed>) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6407] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6407] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6409] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 293] getdents64(3, [pid 6407] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6409] <... bpf resumed>) = 0 [pid 6407] <... mprotect resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6409] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] close(3 [pid 6409] <... futex resumed>) = 0 [pid 6407] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6409] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 293] <... close resumed>) = 0 ./strace-static-x86_64: Process 6410 attached [pid 6407] <... clone3 resumed> => {parent_tid=[14298]}, 88) = 14298 [pid 293] rmdir("./4698" [pid 6410] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6407] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... set_robust_list resumed>) = 0 [pid 6407] <... futex resumed>) = 0 [pid 6407] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6410] rt_sigprocmask(SIG_SETMASK, [], [pid 293] <... rmdir resumed>) = 0 [pid 6410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] mkdir("./4699", 0777 [pid 6410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 293] <... mkdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6411 attached [pid 6410] <... bpf resumed>) = 4 [pid 6398] <... close resumed>) = 0 [pid 6397] <... close resumed>) = 0 [pid 6411] set_robust_list(0x5555568776a0, 24 [pid 6410] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] close(6 [pid 6397] close(6 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13859 [pid 6411] <... set_robust_list resumed>) = 0 [pid 6410] <... futex resumed>) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] chdir("./4699" [pid 6410] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] close(7 [pid 6397] close(7 [pid 6411] <... chdir resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = 1 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6407] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6398] close(8 [pid 6397] close(8 [pid 6411] <... prctl resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] setpgid(0, 0 [pid 6398] close(9 [pid 6397] close(9 [pid 6411] <... setpgid resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6398] close(10 [pid 6397] close(10 [pid 6411] <... symlink resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6398] close(11 [pid 6397] close(11 [pid 6411] <... symlink resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6398] close(12 [pid 6397] close(12 [pid 6411] <... symlink resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6398] close(13 [pid 6397] close(13 [pid 6411] <... openat resumed>) = 3 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] write(3, "1000", 4 [pid 6398] close(14 [pid 6397] close(14 [pid 6411] <... write resumed>) = 4 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] close(3 [pid 6398] close(15 [pid 6397] close(15 [pid 6411] <... close resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] symlink("/dev/binderfs", "./binderfs" [pid 6398] close(16 [pid 6397] close(16 [pid 6411] <... symlink resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] close(17 [pid 6397] close(17 [pid 6411] <... futex resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6398] close(18 [pid 6397] close(18 [pid 6411] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6398] close(19 [pid 6397] close(19 [pid 6411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6398] close(20 [pid 6397] close(20 [pid 6411] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6398] close(21 [pid 6397] close(21 [pid 6411] <... mprotect resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6398] close(22 [pid 6397] close(22 [pid 6411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6398] close(23 [pid 6397] close(23./strace-static-x86_64: Process 6412 attached [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6411] <... clone3 resumed> => {parent_tid=[13860]}, 88) = 13860 [pid 6398] close(24 [pid 6397] close(24 [pid 6412] <... set_robust_list resumed>) = 0 [pid 6411] rt_sigprocmask(SIG_SETMASK, [], [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] rt_sigprocmask(SIG_SETMASK, [], [pid 6411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] close(25 [pid 6397] close(25 [pid 6411] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] <... futex resumed>) = 0 [pid 6398] close(26 [pid 6397] close(26 [pid 6412] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6411] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] <... bpf resumed>) = 3 [pid 6398] close(27 [pid 6397] close(27 [pid 6412] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] <... futex resumed>) = 1 [pid 6411] <... futex resumed>) = 0 [pid 6398] close(28 [pid 6397] close(28 [pid 6412] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6411] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] <... futex resumed>) = 0 [pid 6398] close(29 [pid 6397] close(29 [pid 6412] <... bpf resumed>) = 0 [pid 6411] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = 0 [pid 6398] exit_group(0 [pid 6397] exit_group(0 [pid 6412] <... futex resumed>) = 0 [pid 6411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6404] <... futex resumed>) = ? [pid 6402] <... futex resumed>) = ? [pid 6401] <... futex resumed>) = ? [pid 6400] <... futex resumed>) = ? [pid 6398] <... exit_group resumed>) = ? [pid 6397] <... exit_group resumed>) = ? [pid 6412] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6404] +++ exited with 0 +++ [pid 6402] +++ exited with 0 +++ [pid 6401] +++ exited with 0 +++ [pid 6400] +++ exited with 0 +++ [pid 6398] +++ exited with 0 +++ [pid 6397] +++ exited with 0 +++ [pid 6411] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6411] <... mprotect resumed>) = 0 [pid 6411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6413 attached [pid 6413] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6411] <... clone3 resumed> => {parent_tid=[13861]}, 88) = 13861 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6413] rt_sigprocmask(SIG_SETMASK, [], [pid 6411] rt_sigprocmask(SIG_SETMASK, [], [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6411] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... futex resumed>) = 0 [pid 6413] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 294] <... restart_syscall resumed>) = 0 [pid 6413] <... bpf resumed>) = 4 [pid 294] umount2("./4760", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6413] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6413] <... futex resumed>) = 1 [pid 6411] <... futex resumed>) = 0 [pid 294] openat(AT_FDCWD, "./4760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6413] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... openat resumed>) = 3 [pid 6412] <... futex resumed>) = 0 [pid 6411] <... futex resumed>) = 1 [pid 297] umount2("./4874", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(3, "", [pid 6412] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6411] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, [pid 297] openat(AT_FDCWD, "./4874", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] umount2("./4760/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... openat resumed>) = 3 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(3, "", [pid 294] newfstatat(AT_FDCWD, "./4760/cgroup.cpu", [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] getdents64(3, [pid 294] unlink("./4760/cgroup.cpu" [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... unlink resumed>) = 0 [pid 297] umount2("./4874/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4760/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4874/cgroup.cpu", [pid 294] newfstatat(AT_FDCWD, "./4760/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4874/cgroup.cpu" [pid 294] unlink("./4760/binderfs" [pid 297] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 297] umount2("./4874/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4760/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4874/binderfs", [pid 294] newfstatat(AT_FDCWD, "./4760/cgroup", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./4874/binderfs" [pid 294] unlink("./4760/cgroup" [pid 297] <... unlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 297] umount2("./4874/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] umount2("./4760/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./4874/cgroup", [pid 294] newfstatat(AT_FDCWD, "./4760/cgroup.net", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4760/cgroup.net" [pid 297] unlink("./4874/cgroup" [pid 294] <... unlink resumed>) = 0 [pid 294] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 297] <... unlink resumed>) = 0 [pid 294] close(3 [pid 297] umount2("./4874/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] rmdir("./4760" [pid 297] newfstatat(AT_FDCWD, "./4874/cgroup.net", [pid 294] <... rmdir resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] mkdir("./4761", 0777 [pid 297] unlink("./4874/cgroup.net" [pid 294] <... mkdir resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6414 attached [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14019 [pid 297] getdents64(3, [pid 6414] set_robust_list(0x5555568776a0, 24) = 0 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6414] chdir("./4761" [pid 297] close(3 [pid 6414] <... chdir resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 6414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] rmdir("./4874" [pid 6414] <... prctl resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 6414] setpgid(0, 0 [pid 297] mkdir("./4875", 0777 [pid 6414] <... setpgid resumed>) = 0 [pid 6414] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 297] <... mkdir resumed>) = 0 [pid 6414] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6414] <... symlink resumed>) = 0 [pid 6414] symlink("/syzcgroup/net/syz2", "./cgroup.net"./strace-static-x86_64: Process 6415 attached ) = 0 [pid 6412] <... bpf resumed>) = 5 [pid 6409] <... bpf resumed>) = 5 [pid 6408] <... bpf resumed>) = 5 [pid 6415] set_robust_list(0x5555568776a0, 24 [pid 6414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6412] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... set_robust_list resumed>) = 0 [pid 6414] <... openat resumed>) = 3 [pid 6409] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... futex resumed>) = 1 [pid 6411] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 1 [pid 6406] <... futex resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14378 [pid 6415] chdir("./4875" [pid 6414] write(3, "1000", 4 [pid 6412] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] close(3 [pid 6409] <... futex resumed>) = 1 [pid 6408] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] <... futex resumed>) = 0 [pid 6406] close(3 [pid 6415] <... chdir resumed>) = 0 [pid 6414] <... write resumed>) = 4 [pid 6411] <... close resumed>) = 0 [pid 6409] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] close(3 [pid 6406] <... close resumed>) = 0 [pid 6415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6414] close(3 [pid 6411] close(4 [pid 6407] <... close resumed>) = 0 [pid 6406] close(4 [pid 6415] <... prctl resumed>) = 0 [pid 6414] <... close resumed>) = 0 [pid 6411] <... close resumed>) = 0 [pid 6407] close(4 [pid 6406] <... close resumed>) = 0 [pid 6415] setpgid(0, 0 [pid 6414] symlink("/dev/binderfs", "./binderfs" [pid 6411] close(5 [pid 6407] <... close resumed>) = 0 [pid 6406] close(5 [pid 6415] <... setpgid resumed>) = 0 [pid 6414] <... symlink resumed>) = 0 [pid 6411] <... close resumed>) = 0 [pid 6415] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6414] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] close(6 [pid 6407] close(5 [pid 6415] <... symlink resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6414] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6411] close(7 [pid 6415] <... symlink resumed>) = 0 [pid 6414] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6415] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] <... symlink resumed>) = 0 [pid 6414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] close(8 [pid 6415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] <... openat resumed>) = 3 [pid 6414] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6411] close(9 [pid 6415] write(3, "1000", 4 [pid 6414] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6415] <... write resumed>) = 4 [pid 6414] <... mprotect resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(3 [pid 6414] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6415] <... close resumed>) = 0 [pid 6414] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6411] close(10 [pid 6415] symlink("/dev/binderfs", "./binderfs" [pid 6414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6416 attached [pid 6415] <... symlink resumed>) = 0 [pid 6411] close(11 [pid 6416] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6415] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... clone3 resumed> => {parent_tid=[14020]}, 88) = 14020 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 6414] rt_sigprocmask(SIG_SETMASK, [], [pid 6411] close(12 [pid 6416] rt_sigprocmask(SIG_SETMASK, [], [pid 6415] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6415] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6414] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] close(13 [pid 6416] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6414] <... futex resumed>) = 0 [pid 6416] <... bpf resumed>) = 3 [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6414] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] close(14 [pid 6416] <... futex resumed>) = 0 [pid 6415] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6414] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6415] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6414] <... futex resumed>) = 0 [pid 6411] close(15 [pid 6415] <... mprotect resumed>) = 0 [pid 6414] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... bpf resumed>) = 0 [pid 6415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6414] <... futex resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6411] close(16 [pid 6416] <... futex resumed>) = 0 [pid 6415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6414] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6417 attached [pid 6416] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6417] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6415] <... clone3 resumed> => {parent_tid=[14379]}, 88) = 14379 [pid 6414] <... mprotect resumed>) = 0 [pid 6411] close(17 [pid 6417] <... set_robust_list resumed>) = 0 [pid 6415] rt_sigprocmask(SIG_SETMASK, [], [pid 6414] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] rt_sigprocmask(SIG_SETMASK, [], [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6414] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6411] close(18 [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6415] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6418 attached [pid 6417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6415] <... futex resumed>) = 0 [pid 6411] close(19 [pid 6418] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6417] <... bpf resumed>) = 3 [pid 6415] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] <... clone3 resumed> => {parent_tid=[14021]}, 88) = 14021 [pid 6418] <... set_robust_list resumed>) = 0 [pid 6417] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] rt_sigprocmask(SIG_SETMASK, [], [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] rt_sigprocmask(SIG_SETMASK, [], [pid 6417] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] close(20 [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6417] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6415] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6415] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6417] <... bpf resumed>) = 0 [pid 6415] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] close(21 [pid 6415] <... futex resumed>) = 0 [pid 6414] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce0fa000 [pid 6415] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6418] <... bpf resumed>) = 4 [pid 6415] <... mprotect resumed>) = 0 [pid 6418] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] <... futex resumed>) = 1 [pid 6417] <... futex resumed>) = 0 [pid 6415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6411] close(22 [pid 6418] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6417] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6419 attached [pid 6414] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] close(23 [pid 6419] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6416] <... futex resumed>) = 0 [pid 6415] <... clone3 resumed> => {parent_tid=[14380]}, 88) = 14380 [pid 6414] <... futex resumed>) = 1 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6419] <... set_robust_list resumed>) = 0 [pid 6416] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6415] rt_sigprocmask(SIG_SETMASK, [], [pid 6414] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6419] rt_sigprocmask(SIG_SETMASK, [], [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] close(24 [pid 6419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6415] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6419] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6411] close(25 [pid 6415] <... futex resumed>) = 0 [pid 6415] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] <... bpf resumed>) = 4 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6419] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] close(26 [pid 6419] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] close(27 [pid 6419] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6417] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 1 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6415] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6411] close(28) = -1 EBADF (Bad file descriptor) [pid 6411] close(29) = -1 EBADF (Bad file descriptor) [pid 6411] exit_group(0 [pid 6413] <... futex resumed>) = ? [pid 6412] <... futex resumed>) = ? [pid 6411] <... exit_group resumed>) = ? [pid 6413] +++ exited with 0 +++ [pid 6412] +++ exited with 0 +++ [pid 6411] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] umount2("./4699", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4699/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4699/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4699/cgroup.cpu") = 0 [pid 293] umount2("./4699/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4699/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4699/binderfs") = 0 [pid 293] umount2("./4699/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4699/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4699/cgroup") = 0 [pid 293] umount2("./4699/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4699/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4699/cgroup.net") = 0 [pid 6406] <... close resumed>) = 0 [pid 6407] <... close resumed>) = 0 [pid 6406] close(6 [pid 6407] close(6 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] getdents64(3, [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(7 [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6407] close(7 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] close(3 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(8 [pid 293] <... close resumed>) = 0 [pid 6407] close(8 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] rmdir("./4699" [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(9 [pid 6407] close(9 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... rmdir resumed>) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(10 [pid 293] mkdir("./4700", 0777 [pid 6407] close(10 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(11 [pid 293] <... mkdir resumed>) = 0 [pid 6407] close(11 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(12 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6407] close(12 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6420 attached [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(13 [pid 6420] set_robust_list(0x5555568776a0, 24 [pid 6407] close(13 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] <... set_robust_list resumed>) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(14 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13862 [pid 6420] chdir("./4700") = 0 [pid 6420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6407] close(14 [pid 6420] <... prctl resumed>) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] setpgid(0, 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(15 [pid 6420] <... setpgid resumed>) = 0 [pid 6420] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6407] close(15 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] <... symlink resumed>) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(16 [pid 6420] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6407] close(16 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] <... symlink resumed>) = 0 [pid 6420] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(17 [pid 6420] <... symlink resumed>) = 0 [pid 6420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6407] close(17 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] <... openat resumed>) = 3 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(18 [pid 6420] write(3, "1000", 4 [pid 6407] close(18 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] <... write resumed>) = 4 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(19 [pid 6420] close(3) = 0 [pid 6420] symlink("/dev/binderfs", "./binderfs" [pid 6407] close(19 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] <... symlink resumed>) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6407] close(20 [pid 6406] close(20 [pid 6420] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6407] close(21 [pid 6406] close(21 [pid 6420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6407] close(22 [pid 6406] close(22 [pid 6420] <... mprotect resumed>) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6407] close(23 [pid 6406] close(23 [pid 6420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6421 attached [pid 6407] close(24 [pid 6406] close(24 [pid 6421] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6420] <... clone3 resumed> => {parent_tid=[13863]}, 88) = 13863 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... set_robust_list resumed>) = 0 [pid 6420] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] close(25 [pid 6406] close(25 [pid 6421] rt_sigprocmask(SIG_SETMASK, [], [pid 6420] <... futex resumed>) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] close(26 [pid 6421] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6406] close(26 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... bpf resumed>) = 3 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(27 [pid 6421] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] close(27 [pid 6421] <... futex resumed>) = 1 [pid 6420] <... futex resumed>) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6420] <... futex resumed>) = 0 [pid 6407] close(28 [pid 6406] close(28 [pid 6421] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6420] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] <... futex resumed>) = 0 [pid 6420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6421] <... bpf resumed>) = 0 [pid 6420] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6407] close(29 [pid 6421] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(29 [pid 6421] <... futex resumed>) = 0 [pid 6420] <... mprotect resumed>) = 0 [pid 6407] exit_group(0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6410] <... futex resumed>) = ? [pid 6409] <... futex resumed>) = ? [pid 6407] <... exit_group resumed>) = ? [pid 6406] exit_group(0 [pid 6420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6410] +++ exited with 0 +++ [pid 6409] +++ exited with 0 +++ ./strace-static-x86_64: Process 6422 attached [pid 6422] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6420] <... clone3 resumed> => {parent_tid=[13864]}, 88) = 13864 [pid 6422] <... set_robust_list resumed>) = 0 [pid 6420] rt_sigprocmask(SIG_SETMASK, [], [pid 6422] rt_sigprocmask(SIG_SETMASK, [], [pid 6420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] +++ exited with 0 +++ [pid 6406] <... exit_group resumed>) = ? [pid 6422] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6420] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = ? [pid 6422] <... bpf resumed>) = 4 [pid 6420] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] <... futex resumed>) = 0 [pid 6420] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] <... futex resumed>) = 0 [pid 6420] <... futex resumed>) = 1 [pid 6421] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6420] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6408] +++ exited with 0 +++ [pid 6406] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... restart_syscall resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 296] umount2("./4840", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4840", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 296] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4840/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4812", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4840/cgroup.cpu", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4840/cgroup.cpu" [pid 295] openat(AT_FDCWD, "./4812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... unlink resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 296] umount2("./4840/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(3, "", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(AT_FDCWD, "./4840/binderfs", [pid 295] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] unlink("./4840/binderfs" [pid 295] umount2("./4812/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./4840/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4812/cgroup.cpu", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./4840/cgroup", [pid 295] unlink("./4812/cgroup.cpu" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] unlink("./4840/cgroup" [pid 295] umount2("./4812/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 296] umount2("./4840/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4812/binderfs", [pid 296] newfstatat(AT_FDCWD, "./4840/cgroup.net", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4812/binderfs" [pid 296] unlink("./4840/cgroup.net" [pid 295] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4812/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./4812/cgroup", [pid 296] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... close resumed>) = 0 [pid 295] unlink("./4812/cgroup" [pid 296] rmdir("./4840" [pid 295] <... unlink resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] umount2("./4812/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] mkdir("./4841", 0777 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... mkdir resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4812/cgroup.net", [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6423 attached [pid 295] unlink("./4812/cgroup.net" [pid 6423] set_robust_list(0x5555568776a0, 24 [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14299 [pid 6423] <... set_robust_list resumed>) = 0 [pid 6423] chdir("./4841" [pid 295] <... unlink resumed>) = 0 [pid 6423] <... chdir resumed>) = 0 [pid 295] getdents64(3, [pid 6423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6423] <... prctl resumed>) = 0 [pid 295] close(3 [pid 6423] setpgid(0, 0) = 0 [pid 295] <... close resumed>) = 0 [pid 6423] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 295] rmdir("./4812" [pid 6423] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6423] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6416] <... bpf resumed>) = 5 [pid 295] <... rmdir resumed>) = 0 [pid 6423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6421] <... bpf resumed>) = 5 [pid 6417] <... bpf resumed>) = 5 [pid 6416] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] mkdir("./4813", 0777 [pid 6423] <... openat resumed>) = 3 [pid 6421] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] write(3, "1000", 4 [pid 6421] <... futex resumed>) = 1 [pid 6420] <... futex resumed>) = 0 [pid 6423] <... write resumed>) = 4 [pid 6421] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] close(3 [pid 6417] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = 1 [pid 6414] <... futex resumed>) = 0 [pid 6423] close(3 [pid 6420] <... close resumed>) = 0 [pid 6423] <... close resumed>) = 0 [pid 6420] close(4 [pid 6423] symlink("/dev/binderfs", "./binderfs" [pid 6420] <... close resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 6423] <... symlink resumed>) = 0 [pid 6420] close(5 [pid 6417] <... futex resumed>) = 1 [pid 6416] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] <... futex resumed>) = 0 [pid 6414] close(3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6423] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... close resumed>) = 0 [pid 6417] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] close(3 [pid 6414] <... close resumed>) = 0 [pid 6423] <... futex resumed>) = 0 [pid 6420] close(6 [pid 6415] <... close resumed>) = 0 [pid 6423] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(4./strace-static-x86_64: Process 6424 attached [pid 6423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6420] close(7 [pid 6415] <... close resumed>) = 0 [pid 6414] close(4 [pid 6424] set_robust_list(0x5555568776a0, 24 [pid 6423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(5 [pid 6414] <... close resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14195 [pid 6424] <... set_robust_list resumed>) = 0 [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] close(8 [pid 6415] <... close resumed>) = 0 [pid 6414] close(5 [pid 6424] chdir("./4813" [pid 6423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(6 [pid 6424] <... chdir resumed>) = 0 [pid 6423] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6420] close(9 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = 0 [pid 6424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6423] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(7 [pid 6414] close(6 [pid 6424] <... prctl resumed>) = 0 [pid 6423] <... mprotect resumed>) = 0 [pid 6420] close(10 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] setpgid(0, 0 [pid 6423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(8 [pid 6414] close(7 [pid 6424] <... setpgid resumed>) = 0 [pid 6423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6420] close(11 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(9./strace-static-x86_64: Process 6425 attached [pid 6424] <... symlink resumed>) = 0 [pid 6420] close(12 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] close(8 [pid 6425] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6424] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6423] <... clone3 resumed> => {parent_tid=[14300]}, 88) = 14300 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(10 [pid 6425] <... set_robust_list resumed>) = 0 [pid 6424] <... symlink resumed>) = 0 [pid 6423] rt_sigprocmask(SIG_SETMASK, [], [pid 6420] close(13 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] rt_sigprocmask(SIG_SETMASK, [], [pid 6424] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(11 [pid 6414] close(9 [pid 6425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] <... symlink resumed>) = 0 [pid 6423] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] close(14 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6423] <... futex resumed>) = 0 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(12 [pid 6414] close(10 [pid 6425] <... bpf resumed>) = 3 [pid 6424] <... openat resumed>) = 3 [pid 6423] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] close(15 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] write(3, "1000", 4 [pid 6423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(13 [pid 6414] close(11 [pid 6425] <... futex resumed>) = 0 [pid 6424] <... write resumed>) = 4 [pid 6423] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] close(16 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6424] close(3 [pid 6423] <... futex resumed>) = 0 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(14 [pid 6414] close(12 [pid 6424] <... close resumed>) = 0 [pid 6423] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] close(17 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] <... bpf resumed>) = 0 [pid 6424] symlink("/dev/binderfs", "./binderfs" [pid 6423] <... futex resumed>) = 0 [pid 6425] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(15 [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] <... symlink resumed>) = 0 [pid 6423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6420] close(18 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] <... futex resumed>) = 0 [pid 6424] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(16 [pid 6414] close(13 [pid 6425] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] <... futex resumed>) = 0 [pid 6423] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6420] close(19 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6423] <... mprotect resumed>) = 0 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(17 [pid 6414] close(14 [pid 6424] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6420] close(20 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(18 [pid 6414] close(15 [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6420] close(21 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6426 attached [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(19 [pid 6414] close(16 [pid 6426] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6424] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6423] <... clone3 resumed> => {parent_tid=[14301]}, 88) = 14301 [pid 6420] close(22 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6426] <... set_robust_list resumed>) = 0 [pid 6424] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6423] rt_sigprocmask(SIG_SETMASK, [], [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(20 [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6426] rt_sigprocmask(SIG_SETMASK, [], [pid 6424] <... mprotect resumed>) = 0 [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] close(23 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] close(17 [pid 6426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6423] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(21 [pid 6426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6423] <... futex resumed>) = 0 [pid 6420] close(24 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6423] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(22./strace-static-x86_64: Process 6427 attached [pid 6426] <... bpf resumed>) = 4 [pid 6420] close(25 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] close(18 [pid 6427] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6426] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... clone3 resumed> => {parent_tid=[14196]}, 88) = 14196 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(23 [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] <... set_robust_list resumed>) = 0 [pid 6426] <... futex resumed>) = 1 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], [pid 6423] <... futex resumed>) = 0 [pid 6420] close(26 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] close(19 [pid 6427] rt_sigprocmask(SIG_SETMASK, [], [pid 6426] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6423] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(24 [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6425] <... futex resumed>) = 0 [pid 6424] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... futex resumed>) = 1 [pid 6420] close(27 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] close(20 [pid 6427] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6425] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6424] <... futex resumed>) = 0 [pid 6423] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(25 [pid 6427] <... bpf resumed>) = 3 [pid 6424] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] close(28 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(26 [pid 6414] close(21 [pid 6427] <... futex resumed>) = 0 [pid 6424] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] close(29 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6424] <... futex resumed>) = 0 [pid 6420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] close(27 [pid 6414] close(22 [pid 6427] <... bpf resumed>) = 0 [pid 6424] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] exit_group(0 [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... futex resumed>) = 0 [pid 6422] <... futex resumed>) = ? [pid 6421] <... futex resumed>) = ? [pid 6420] <... exit_group resumed>) = ? [pid 6415] close(28 [pid 6414] close(23 [pid 6427] <... futex resumed>) = 0 [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6422] +++ exited with 0 +++ [pid 6421] +++ exited with 0 +++ [pid 6420] +++ exited with 0 +++ [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6415] close(29 [pid 6414] close(24 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6424] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] <... mprotect resumed>) = 0 [pid 6415] exit_group(0 [pid 6414] close(25 [pid 6424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6417] <... futex resumed>) = ? [pid 6415] <... exit_group resumed>) = ? [pid 6424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6419] <... futex resumed>) = ? [pid 6417] +++ exited with 0 +++ [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6428 attached [pid 6428] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6424] <... clone3 resumed> => {parent_tid=[14197]}, 88) = 14197 [pid 6428] <... set_robust_list resumed>) = 0 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], [pid 6428] rt_sigprocmask(SIG_SETMASK, [], [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6424] <... futex resumed>) = 0 [pid 6428] <... bpf resumed>) = 4 [pid 6424] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] +++ exited with 0 +++ [pid 6415] +++ exited with 0 +++ [pid 6414] close(26 [pid 6428] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6428] <... futex resumed>) = 0 [pid 6424] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] close(27 [pid 293] umount2("./4700", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6428] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6427] <... futex resumed>) = 0 [pid 6424] <... futex resumed>) = 1 [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6427] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6424] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6414] close(28 [pid 293] openat(AT_FDCWD, "./4700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4875", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... openat resumed>) = 3 [pid 6414] close(29 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6427] <... bpf resumed>) = 5 [pid 6425] <... bpf resumed>) = 5 [pid 6414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] getdents64(3, [pid 6427] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] exit_group(0 [pid 297] openat(AT_FDCWD, "./4875", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6427] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 293] umount2("./4700/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6427] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] close(3 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] <... close resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4700/cgroup.cpu", [pid 6424] close(4 [pid 6425] <... futex resumed>) = 1 [pid 6423] <... futex resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6425] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] <... close resumed>) = 0 [pid 6423] close(3 [pid 6418] <... futex resumed>) = ? [pid 6416] <... futex resumed>) = ? [pid 6414] <... exit_group resumed>) = ? [pid 297] <... openat resumed>) = 3 [pid 293] unlink("./4700/cgroup.cpu" [pid 6424] close(5 [pid 6423] <... close resumed>) = 0 [pid 6418] +++ exited with 0 +++ [pid 6416] +++ exited with 0 +++ [pid 293] <... unlink resumed>) = 0 [pid 6424] <... close resumed>) = 0 [pid 6423] close(4 [pid 293] umount2("./4700/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6424] close(6 [pid 6423] <... close resumed>) = 0 [pid 6414] +++ exited with 0 +++ [pid 297] newfstatat(3, "", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(5 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] newfstatat(AT_FDCWD, "./4700/binderfs", [pid 6424] close(7 [pid 6423] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(6 [pid 293] unlink("./4700/binderfs" [pid 6424] close(8 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... unlink resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(7 [pid 297] umount2("./4875/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4700/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6424] close(9 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(8 [pid 297] newfstatat(AT_FDCWD, "./4875/cgroup.cpu", [pid 293] newfstatat(AT_FDCWD, "./4700/cgroup", [pid 6424] close(10 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(9 [pid 297] unlink("./4875/cgroup.cpu" [pid 293] unlink("./4700/cgroup" [pid 6424] close(11 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(10 [pid 297] umount2("./4875/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4700/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6424] close(12 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(11 [pid 293] newfstatat(AT_FDCWD, "./4700/cgroup.net", [pid 6424] close(13 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4875/binderfs", [pid 294] umount2("./4761", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(12 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] unlink("./4700/cgroup.net" [pid 6424] close(14 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] unlink("./4875/binderfs" [pid 294] openat(AT_FDCWD, "./4761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] <... unlink resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(13 [pid 293] getdents64(3, [pid 6424] close(15 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(14 [pid 297] <... unlink resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 293] close(3 [pid 6424] close(16 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4875/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(3, "", [pid 293] <... close resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(15 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] rmdir("./4700" [pid 6424] close(17 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4875/cgroup", [pid 294] getdents64(3, [pid 293] <... rmdir resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(16 [pid 293] mkdir("./4701", 0777 [pid 6424] close(18 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] <... mkdir resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(17 [pid 297] unlink("./4875/cgroup" [pid 294] umount2("./4761/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6424] close(19 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(18 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13865 ./strace-static-x86_64: Process 6429 attached [pid 6424] close(20 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] umount2("./4875/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4761/cgroup.cpu", [pid 6429] set_robust_list(0x5555568776a0, 24 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(19 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6429] <... set_robust_list resumed>) = 0 [pid 6424] close(21 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] newfstatat(AT_FDCWD, "./4875/cgroup.net", [pid 294] unlink("./4761/cgroup.cpu" [pid 6429] chdir("./4701" [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(20 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6424] close(22 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... unlink resumed>) = 0 [pid 6429] <... chdir resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(21 [pid 297] unlink("./4875/cgroup.net" [pid 294] umount2("./4761/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6424] close(23 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(22 [pid 6429] <... prctl resumed>) = 0 [pid 6424] close(24 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6429] setpgid(0, 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(23 [pid 297] getdents64(3, [pid 294] newfstatat(AT_FDCWD, "./4761/binderfs", [pid 6429] <... setpgid resumed>) = 0 [pid 6424] close(25 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(24 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6424] close(26 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(25 [pid 297] close(3 [pid 294] unlink("./4761/binderfs" [pid 6429] <... symlink resumed>) = 0 [pid 6424] close(27 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... close resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(26 [pid 6429] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 297] rmdir("./4875" [pid 294] <... unlink resumed>) = 0 [pid 6424] close(28 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... symlink resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(27 [pid 6424] close(29 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] close(28 [pid 6429] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6424] exit_group(0 [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 297] <... rmdir resumed>) = 0 [pid 294] umount2("./4761/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6429] <... symlink resumed>) = 0 [pid 6428] <... futex resumed>) = ? [pid 6427] <... futex resumed>) = ? [pid 6424] <... exit_group resumed>) = ? [pid 6423] close(29 [pid 297] mkdir("./4876", 0777 [pid 6429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6428] +++ exited with 0 +++ [pid 6427] +++ exited with 0 +++ [pid 6424] +++ exited with 0 +++ [pid 6423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6423] exit_group(0 [pid 6426] <... futex resumed>) = ? [pid 6425] <... futex resumed>) = ? [pid 6423] <... exit_group resumed>) = ? [pid 297] <... mkdir resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] newfstatat(AT_FDCWD, "./4761/cgroup", [pid 6429] <... openat resumed>) = 3 [pid 6426] +++ exited with 0 +++ [pid 6425] +++ exited with 0 +++ [pid 6423] +++ exited with 0 +++ [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6429] write(3, "1000", 4 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14299, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 6430 attached [pid 6429] <... write resumed>) = 4 [pid 294] unlink("./4761/cgroup" [pid 6430] set_robust_list(0x5555568776a0, 24 [pid 6429] close(3 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14381 [pid 295] umount2("./4813", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6430] <... set_robust_list resumed>) = 0 [pid 6430] chdir("./4876" [pid 6429] <... close resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 6430] <... chdir resumed>) = 0 [pid 6429] symlink("/dev/binderfs", "./binderfs" [pid 295] openat(AT_FDCWD, "./4813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] umount2("./4761/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6430] setpgid(0, 0 [pid 6429] <... symlink resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6430] <... setpgid resumed>) = 0 [pid 6429] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4841", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(3, "", [pid 294] newfstatat(AT_FDCWD, "./4761/cgroup.net", [pid 6430] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6429] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6430] <... symlink resumed>) = 0 [pid 6429] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 296] openat(AT_FDCWD, "./4841", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6430] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6429] <... rt_sigaction resumed>NULL, 8) = 0 [pid 296] <... openat resumed>) = 3 [pid 295] getdents64(3, [pid 294] unlink("./4761/cgroup.net" [pid 6430] <... symlink resumed>) = 0 [pid 6429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 296] newfstatat(3, "", [pid 6430] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6430] <... symlink resumed>) = 0 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] getdents64(3, [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 294] <... unlink resumed>) = 0 [pid 6430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4813/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] getdents64(3, [pid 6430] <... openat resumed>) = 3 [pid 6429] <... mmap resumed>) = 0x7fd4ce11b000 [pid 296] umount2("./4841/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6430] write(3, "1000", 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6429] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6430] <... write resumed>) = 4 [pid 296] newfstatat(AT_FDCWD, "./4841/cgroup.cpu", [pid 6430] close(3 [pid 6429] <... mprotect resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./4813/cgroup.cpu", [pid 294] close(3 [pid 6430] <... close resumed>) = 0 [pid 296] unlink("./4841/cgroup.cpu" [pid 6430] symlink("/dev/binderfs", "./binderfs" [pid 6429] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... close resumed>) = 0 [pid 6430] <... symlink resumed>) = 0 [pid 6429] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] umount2("./4841/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4813/cgroup.cpu" [pid 294] rmdir("./4761" [pid 6430] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6430] <... futex resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4841/binderfs", [pid 6430] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6430] <... rt_sigaction resumed>NULL, 8) = 0 [pid 296] unlink("./4841/binderfs"./strace-static-x86_64: Process 6431 attached [pid 6430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./4813/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... rmdir resumed>) = 0 [pid 6431] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] <... clone3 resumed> => {parent_tid=[13866]}, 88) = 13866 [pid 296] umount2("./4841/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] mkdir("./4762", 0777 [pid 6431] <... set_robust_list resumed>) = 0 [pid 6430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6429] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4813/binderfs", [pid 6431] rt_sigprocmask(SIG_SETMASK, [], [pid 6430] <... mmap resumed>) = 0x7fd4ce11b000 [pid 296] newfstatat(AT_FDCWD, "./4841/cgroup", [pid 6431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6431] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... mprotect resumed>) = 0 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] unlink("./4841/cgroup" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 6430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6429] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... unlink resumed>) = 0 [pid 6431] <... futex resumed>) = 0 [pid 6430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6429] <... futex resumed>) = 1 [pid 296] umount2("./4841/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] unlink("./4813/binderfs" [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6431] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6429] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6431] <... bpf resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./4841/cgroup.net", [pid 295] <... unlink resumed>) = 0 [pid 6431] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... clone3 resumed> => {parent_tid=[14382]}, 88) = 14382 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6433 attached ./strace-static-x86_64: Process 6432 attached [pid 6431] <... futex resumed>) = 0 [pid 6430] rt_sigprocmask(SIG_SETMASK, [], [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] unlink("./4841/cgroup.net" [pid 295] umount2("./4813/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6433] set_robust_list(0x5555568776a0, 24 [pid 6432] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6431] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14022 [pid 6433] <... set_robust_list resumed>) = 0 [pid 6432] <... set_robust_list resumed>) = 0 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = 0 [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./4813/cgroup", [pid 6433] chdir("./4762" [pid 6432] rt_sigprocmask(SIG_SETMASK, [], [pid 6431] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6430] <... futex resumed>) = 0 [pid 6429] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6433] <... chdir resumed>) = 0 [pid 6432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6431] <... bpf resumed>) = 0 [pid 6430] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] <... futex resumed>) = 0 [pid 296] close(3 [pid 295] unlink("./4813/cgroup" [pid 6433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6432] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6431] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] <... close resumed>) = 0 [pid 6433] <... prctl resumed>) = 0 [pid 6432] <... bpf resumed>) = 3 [pid 6431] <... futex resumed>) = 0 [pid 6429] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 296] rmdir("./4841" [pid 295] <... unlink resumed>) = 0 [pid 6433] setpgid(0, 0 [pid 6432] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] <... rmdir resumed>) = 0 [pid 295] umount2("./4813/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6433] <... setpgid resumed>) = 0 [pid 6432] <... futex resumed>) = 1 [pid 6430] <... futex resumed>) = 0 [pid 6429] <... mprotect resumed>) = 0 [pid 296] mkdir("./4842", 0777 [pid 6433] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6432] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6430] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] rt_sigprocmask(SIG_BLOCK, ~[], [pid 296] <... mkdir resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6433] <... symlink resumed>) = 0 [pid 6430] <... futex resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6433] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6432] <... bpf resumed>) = 0 [pid 6430] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... rt_sigprocmask resumed>[], 8) = 0 [pid 295] newfstatat(AT_FDCWD, "./4813/cgroup.net", ./strace-static-x86_64: Process 6434 attached [pid 6433] <... symlink resumed>) = 0 [pid 6432] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 0 [pid 6429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14302 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6434] set_robust_list(0x5555568776a0, 24 [pid 6433] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6432] <... futex resumed>) = 0 [pid 6430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6435 attached [pid 6434] <... set_robust_list resumed>) = 0 [pid 6433] <... symlink resumed>) = 0 [pid 6432] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] unlink("./4813/cgroup.net" [pid 6435] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6430] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6435] <... set_robust_list resumed>) = 0 [pid 6434] chdir("./4842" [pid 6433] <... openat resumed>) = 3 [pid 6430] <... mprotect resumed>) = 0 [pid 6429] <... clone3 resumed> => {parent_tid=[13867]}, 88) = 13867 [pid 295] <... unlink resumed>) = 0 [pid 6435] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] <... chdir resumed>) = 0 [pid 6433] write(3, "1000", 4 [pid 6430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6429] rt_sigprocmask(SIG_SETMASK, [], [pid 295] getdents64(3, [pid 6435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6433] <... write resumed>) = 4 [pid 6430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] <... prctl resumed>) = 0 [pid 6433] close(3 [pid 6430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6429] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6436 attached [pid 6435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] setpgid(0, 0 [pid 6433] <... close resumed>) = 0 [pid 6436] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6434] <... setpgid resumed>) = 0 [pid 6433] symlink("/dev/binderfs", "./binderfs" [pid 6430] <... clone3 resumed> => {parent_tid=[14383]}, 88) = 14383 [pid 6429] <... futex resumed>) = 0 [pid 295] close(3 [pid 6436] <... set_robust_list resumed>) = 0 [pid 6435] <... bpf resumed>) = 4 [pid 6434] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6433] <... symlink resumed>) = 0 [pid 6430] rt_sigprocmask(SIG_SETMASK, [], [pid 6429] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] <... close resumed>) = 0 [pid 6436] rt_sigprocmask(SIG_SETMASK, [], [pid 6435] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... symlink resumed>) = 0 [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6435] <... futex resumed>) = 0 [pid 6434] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6433] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] rmdir("./4813" [pid 6436] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6433] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6430] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... symlink resumed>) = 0 [pid 6433] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6429] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6430] <... futex resumed>) = 0 [pid 6433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6430] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6433] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6431] <... futex resumed>) = 0 [pid 6429] <... futex resumed>) = 1 [pid 295] <... rmdir resumed>) = 0 [pid 6436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6434] <... symlink resumed>) = 0 [pid 6433] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6431] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6429] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 295] mkdir("./4814", 0777 [pid 6433] <... mprotect resumed>) = 0 [pid 6431] <... bpf resumed>) = 5 [pid 6436] <... bpf resumed>) = 4 [pid 6433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6431] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6431] <... futex resumed>) = 1 [pid 6429] <... futex resumed>) = 0 [pid 6433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6431] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6429] close(3 [pid 295] <... mkdir resumed>) = 0 [pid 6436] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6437 attached [pid 6429] <... close resumed>) = 0 [pid 6433] <... clone3 resumed> => {parent_tid=[14023]}, 88) = 14023 [pid 6429] close(4 [pid 6434] <... openat resumed>) = 3 [pid 6433] rt_sigprocmask(SIG_SETMASK, [], [pid 6429] <... close resumed>) = 0 [pid 6437] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6436] <... futex resumed>) = 1 [pid 6434] write(3, "1000", 4 [pid 6433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6430] <... futex resumed>) = 0 [pid 6429] close(5 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6437] <... set_robust_list resumed>) = 0 [pid 6436] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] <... write resumed>) = 4 [pid 6433] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... close resumed>) = 0 ./strace-static-x86_64: Process 6438 attached [pid 6437] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] close(3 [pid 6433] <... futex resumed>) = 0 [pid 6432] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = 1 [pid 6429] close(6 [pid 6438] set_robust_list(0x5555568776a0, 24 [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6434] <... close resumed>) = 0 [pid 6433] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6432] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6430] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14198 [pid 6438] <... set_robust_list resumed>) = 0 [pid 6437] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6434] symlink("/dev/binderfs", "./binderfs" [pid 6429] close(7 [pid 6438] chdir("./4814" [pid 6437] <... bpf resumed>) = 3 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... chdir resumed>) = 0 [pid 6437] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... symlink resumed>) = 0 [pid 6429] close(8 [pid 6438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6437] <... futex resumed>) = 1 [pid 6433] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... prctl resumed>) = 0 [pid 6437] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(9 [pid 6438] setpgid(0, 0 [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... setpgid resumed>) = 0 [pid 6437] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6434] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6433] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(10 [pid 6438] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6433] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... symlink resumed>) = 0 [pid 6437] <... bpf resumed>) = 0 [pid 6434] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6429] close(11 [pid 6438] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6437] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6433] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... symlink resumed>) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6433] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6429] close(12 [pid 6438] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6437] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6433] <... mprotect resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... symlink resumed>) = 0 [pid 6434] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6429] close(13 [pid 6438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6434] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... openat resumed>) = 3 [pid 6434] <... mprotect resumed>) = 0 [pid 6433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6429] close(14./strace-static-x86_64: Process 6439 attached [pid 6438] write(3, "1000", 4 [pid 6434] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6438] <... write resumed>) = 4 [pid 6434] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6433] <... clone3 resumed> => {parent_tid=[14024]}, 88) = 14024 [pid 6429] close(15 [pid 6439] <... set_robust_list resumed>) = 0 [pid 6438] close(3 [pid 6434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6433] rt_sigprocmask(SIG_SETMASK, [], [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] rt_sigprocmask(SIG_SETMASK, [], [pid 6438] <... close resumed>) = 0 [pid 6433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] close(16./strace-static-x86_64: Process 6440 attached [pid 6439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6438] symlink("/dev/binderfs", "./binderfs" [pid 6433] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6438] <... symlink resumed>) = 0 [pid 6434] <... clone3 resumed> => {parent_tid=[14303]}, 88) = 14303 [pid 6433] <... futex resumed>) = 0 [pid 6429] close(17 [pid 6440] <... set_robust_list resumed>) = 0 [pid 6439] <... bpf resumed>) = 4 [pid 6438] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] rt_sigprocmask(SIG_SETMASK, [], [pid 6433] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] rt_sigprocmask(SIG_SETMASK, [], [pid 6439] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 0 [pid 6434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] close(18 [pid 6440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6439] <... futex resumed>) = 0 [pid 6438] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6434] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6439] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6437] <... futex resumed>) = 0 [pid 6434] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6429] close(19 [pid 6440] <... bpf resumed>) = 3 [pid 6438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6437] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6434] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6433] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] close(20 [pid 6440] <... futex resumed>) = 0 [pid 6438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6434] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6438] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6434] <... futex resumed>) = 0 [pid 6429] close(21 [pid 6440] <... bpf resumed>) = 0 [pid 6438] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... mprotect resumed>) = 0 [pid 6434] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(22 [pid 6440] <... futex resumed>) = 0 [pid 6438] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6434] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6438] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6434] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] close(23 [pid 6440] <... bpf resumed>) = 4 [pid 6438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6441 attached [pid 6440] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(24 [pid 6441] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6440] <... futex resumed>) = 1 [pid 6438] <... clone3 resumed> => {parent_tid=[14199]}, 88) = 14199 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... set_robust_list resumed>) = 0 [pid 6440] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] <... futex resumed>) = 0 [pid 6429] close(25 [pid 6441] rt_sigprocmask(SIG_SETMASK, [], [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6434] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6440] <... futex resumed>) = 0 [pid 6438] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = 1 [pid 6429] close(26 [pid 6441] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6440] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6438] <... futex resumed>) = 0 [pid 6434] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... bpf resumed>) = 3 [pid 6438] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] close(27 [pid 6441] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... futex resumed>) = 0 [pid 6438] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(28 [pid 6441] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6438] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(29 [pid 6438] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... bpf resumed>) = 0 [pid 6438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6429] exit_group(0 [pid 6441] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6435] <... futex resumed>) = ? [pid 6431] <... futex resumed>) = ? [pid 6429] <... exit_group resumed>) = ? [pid 6441] <... futex resumed>) = 0 [pid 6438] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6435] +++ exited with 0 +++ [pid 6431] +++ exited with 0 +++ [pid 6429] +++ exited with 0 +++ [pid 6441] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] <... mprotect resumed>) = 0 [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6438] rt_sigprocmask(SIG_BLOCK, ~[], [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 6438] <... rt_sigprocmask resumed>[], 8) = 0 [pid 293] <... restart_syscall resumed>) = 0 [pid 6438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6442 attached [pid 6442] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6438] <... clone3 resumed> => {parent_tid=[14200]}, 88) = 14200 [pid 293] umount2("./4701", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6442] <... set_robust_list resumed>) = 0 [pid 6438] rt_sigprocmask(SIG_SETMASK, [], [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6442] rt_sigprocmask(SIG_SETMASK, [], [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] openat(AT_FDCWD, "./4701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6438] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... openat resumed>) = 3 [pid 6442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6438] <... futex resumed>) = 0 [pid 293] newfstatat(3, "", [pid 6438] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4701/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6442] <... bpf resumed>) = 4 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6442] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] newfstatat(AT_FDCWD, "./4701/cgroup.cpu", [pid 6442] <... futex resumed>) = 1 [pid 6438] <... futex resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6442] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] <... bpf resumed>) = 5 [pid 6438] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] <... bpf resumed>) = 5 [pid 6432] <... bpf resumed>) = 5 [pid 293] unlink("./4701/cgroup.cpu" [pid 6441] <... futex resumed>) = 0 [pid 6440] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 1 [pid 6437] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... unlink resumed>) = 0 [pid 6441] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6440] <... futex resumed>) = 1 [pid 6438] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6437] <... futex resumed>) = 1 [pid 6434] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 0 [pid 6432] <... futex resumed>) = 1 [pid 6430] <... futex resumed>) = 0 [pid 293] umount2("./4701/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6441] <... bpf resumed>) = 5 [pid 6440] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] close(3 [pid 6433] close(3 [pid 6432] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] close(3 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6441] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... close resumed>) = 0 [pid 6433] <... close resumed>) = 0 [pid 6430] <... close resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./4701/binderfs", [pid 6441] <... futex resumed>) = 1 [pid 6438] <... futex resumed>) = 0 [pid 6434] close(4 [pid 6433] close(4 [pid 6430] close(4 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6441] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] close(3 [pid 6434] <... close resumed>) = 0 [pid 6433] <... close resumed>) = 0 [pid 6430] <... close resumed>) = 0 [pid 293] unlink("./4701/binderfs" [pid 6438] <... close resumed>) = 0 [pid 6434] close(5 [pid 6433] close(5 [pid 6430] close(5 [pid 293] <... unlink resumed>) = 0 [pid 6438] close(4 [pid 6434] <... close resumed>) = 0 [pid 6433] <... close resumed>) = 0 [pid 293] umount2("./4701/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6438] <... close resumed>) = 0 [pid 6434] close(6 [pid 6433] close(6 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6438] close(5 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4701/cgroup", [pid 6434] close(7 [pid 6433] close(7 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] unlink("./4701/cgroup" [pid 6434] close(8 [pid 6433] close(8 [pid 293] <... unlink resumed>) = 0 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] umount2("./4701/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6434] close(9 [pid 6433] close(9 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] newfstatat(AT_FDCWD, "./4701/cgroup.net", [pid 6433] close(10 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6434] close(10 [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] unlink("./4701/cgroup.net" [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] close(11 [pid 293] <... unlink resumed>) = 0 [pid 6434] close(11 [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] getdents64(3, [pid 6433] close(12 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6434] close(12 [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] close(3 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] close(13 [pid 293] <... close resumed>) = 0 [pid 6434] close(13 [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] rmdir("./4701" [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] close(14 [pid 293] <... rmdir resumed>) = 0 [pid 6434] close(14 [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] mkdir("./4702", 0777 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] close(15 [pid 293] <... mkdir resumed>) = 0 [pid 6434] close(15 [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] close(16./strace-static-x86_64: Process 6443 attached [pid 6434] close(16 [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13868 [pid 6443] set_robust_list(0x5555568776a0, 24 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] close(17 [pid 6443] <... set_robust_list resumed>) = 0 [pid 6434] close(17 [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] close(18) = -1 EBADF (Bad file descriptor) [pid 6433] close(19 [pid 6443] chdir("./4702" [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] <... chdir resumed>) = 0 [pid 6434] close(18 [pid 6433] close(20 [pid 6443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] <... prctl resumed>) = 0 [pid 6434] close(19 [pid 6433] close(21 [pid 6443] setpgid(0, 0 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6434] close(20 [pid 6433] close(22 [pid 6443] <... setpgid resumed>) = 0 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] close(23) = -1 EBADF (Bad file descriptor) [pid 6443] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6433] close(24 [pid 6434] close(21 [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] close(25) = -1 EBADF (Bad file descriptor) [pid 6433] close(26) = -1 EBADF (Bad file descriptor) [pid 6443] <... symlink resumed>) = 0 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6434] close(22 [pid 6433] close(27) = -1 EBADF (Bad file descriptor) [pid 6433] close(28 [pid 6443] <... symlink resumed>) = 0 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6434] close(23 [pid 6433] close(29) = -1 EBADF (Bad file descriptor) [pid 6433] exit_group(0 [pid 6443] <... symlink resumed>) = 0 [pid 6439] <... futex resumed>) = ? [pid 6437] <... futex resumed>) = ? [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... exit_group resumed>) = ? [pid 6443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6439] +++ exited with 0 +++ [pid 6437] +++ exited with 0 +++ [pid 6434] close(24 [pid 6433] +++ exited with 0 +++ [pid 6443] <... openat resumed>) = 3 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] write(3, "1000", 4 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6443] <... write resumed>) = 4 [pid 6434] close(25 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6443] close(3 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] <... close resumed>) = 0 [pid 6434] close(26 [pid 294] <... restart_syscall resumed>) = 0 [pid 6443] symlink("/dev/binderfs", "./binderfs" [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] <... symlink resumed>) = 0 [pid 6434] close(27) = -1 EBADF (Bad file descriptor) [pid 294] umount2("./4762", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6443] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] close(28 [pid 6443] <... futex resumed>) = 0 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6434] close(29 [pid 6443] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] openat(AT_FDCWD, "./4762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6434] exit_group(0 [pid 294] <... openat resumed>) = 3 [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6440] <... futex resumed>) = ? [pid 6434] <... exit_group resumed>) = ? [pid 6443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6440] +++ exited with 0 +++ [pid 294] newfstatat(3, "", [pid 6434] +++ exited with 0 +++ [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6443] <... mmap resumed>) = 0x7fd4ce11b000 [pid 294] getdents64(3, [pid 6443] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6443] <... mprotect resumed>) = 0 [pid 294] umount2("./4762/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 294] newfstatat(AT_FDCWD, "./4762/cgroup.cpu", ./strace-static-x86_64: Process 6444 attached {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6444] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6443] <... clone3 resumed> => {parent_tid=[13869]}, 88) = 13869 [pid 296] <... restart_syscall resumed>) = 0 [pid 294] unlink("./4762/cgroup.cpu" [pid 6444] <... set_robust_list resumed>) = 0 [pid 6443] rt_sigprocmask(SIG_SETMASK, [], [pid 6444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6444] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6443] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] umount2("./4762/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6444] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 1 [pid 296] umount2("./4842", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6444] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6443] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6444] <... bpf resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4762/binderfs", [pid 6444] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] openat(AT_FDCWD, "./4842", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6444] <... futex resumed>) = 1 [pid 6443] <... futex resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6444] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... openat resumed>) = 3 [pid 294] unlink("./4762/binderfs" [pid 6444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] <... futex resumed>) = 0 [pid 296] newfstatat(3, "", [pid 6444] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 6443] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6444] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 296] getdents64(3, [pid 6444] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 294] umount2("./4762/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6443] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 296] umount2("./4842/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4762/cgroup", [pid 6443] <... mprotect resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] unlink("./4762/cgroup" [pid 6443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 296] newfstatat(AT_FDCWD, "./4842/cgroup.cpu", [pid 294] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6445 attached [pid 294] umount2("./4762/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6445] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6443] <... clone3 resumed> => {parent_tid=[13870]}, 88) = 13870 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6445] <... set_robust_list resumed>) = 0 [pid 296] unlink("./4842/cgroup.cpu" [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] rt_sigprocmask(SIG_SETMASK, [], [pid 6445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6445] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... unlink resumed>) = 0 [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] newfstatat(AT_FDCWD, "./4762/cgroup.net", [pid 6443] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4842/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6445] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 1 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] unlink("./4762/cgroup.net" [pid 6445] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6443] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] newfstatat(AT_FDCWD, "./4842/binderfs", [pid 6445] <... bpf resumed>) = 4 [pid 294] <... unlink resumed>) = 0 [pid 6445] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6445] <... futex resumed>) = 1 [pid 6443] <... futex resumed>) = 0 [pid 296] unlink("./4842/binderfs" [pid 294] getdents64(3, [pid 6445] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... unlink resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6443] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4842/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] close(3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4842/cgroup", [pid 294] <... close resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 1 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6444] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 294] rmdir("./4762" [pid 6443] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 296] unlink("./4842/cgroup" [pid 294] <... rmdir resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] mkdir("./4763", 0777 [pid 296] umount2("./4842/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... mkdir resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4842/cgroup.net", [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6446 attached [pid 296] unlink("./4842/cgroup.net" [pid 6446] set_robust_list(0x5555568776a0, 24) = 0 [pid 6446] chdir("./4763" [pid 6438] <... close resumed>) = 0 [pid 6430] <... close resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14025 [pid 6446] <... chdir resumed>) = 0 [pid 6438] close(6 [pid 6430] close(6 [pid 296] getdents64(3, [pid 6446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... prctl resumed>) = 0 [pid 6438] close(7 [pid 6430] close(7 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6446] setpgid(0, 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] close(3 [pid 6446] <... setpgid resumed>) = 0 [pid 6438] close(8 [pid 6430] close(8 [pid 6446] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... close resumed>) = 0 [pid 6446] <... symlink resumed>) = 0 [pid 6438] close(9 [pid 6430] close(9 [pid 296] rmdir("./4842" [pid 6446] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... symlink resumed>) = 0 [pid 6438] close(10 [pid 6430] close(10 [pid 296] <... rmdir resumed>) = 0 [pid 6446] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] mkdir("./4843", 0777 [pid 6446] <... symlink resumed>) = 0 [pid 6438] close(11 [pid 6430] close(11 [pid 6446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... openat resumed>) = 3 [pid 6438] close(12 [pid 6430] close(12 [pid 296] <... mkdir resumed>) = 0 [pid 6446] write(3, "1000", 4 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6446] <... write resumed>) = 4 [pid 6438] close(13 [pid 6430] close(13 [pid 6446] close(3 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... close resumed>) = 0 [pid 6438] close(14 [pid 6430] close(14 [pid 6446] symlink("/dev/binderfs", "./binderfs" [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6447 attached [pid 6446] <... symlink resumed>) = 0 [pid 6438] close(15 [pid 6430] close(15 [pid 6447] set_robust_list(0x5555568776a0, 24 [pid 6446] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14304 [pid 6447] <... set_robust_list resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6438] close(16 [pid 6430] close(16 [pid 6446] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] chdir("./4843" [pid 6446] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6438] close(17 [pid 6430] close(17 [pid 6447] <... chdir resumed>) = 0 [pid 6446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6438] close(18 [pid 6430] close(18 [pid 6446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... prctl resumed>) = 0 [pid 6446] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6438] close(19 [pid 6430] close(19 [pid 6447] setpgid(0, 0 [pid 6446] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... mprotect resumed>) = 0 [pid 6438] close(20 [pid 6430] close(20 [pid 6447] <... setpgid resumed>) = 0 [pid 6446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6438] close(21 [pid 6447] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6430] close(21 [pid 6446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6448 attached [pid 6447] <... symlink resumed>) = 0 [pid 6438] close(22 [pid 6430] close(22 [pid 6448] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6447] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6446] <... clone3 resumed> => {parent_tid=[14026]}, 88) = 14026 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] <... set_robust_list resumed>) = 0 [pid 6446] rt_sigprocmask(SIG_SETMASK, [], [pid 6438] close(23 [pid 6430] close(23 [pid 6448] rt_sigprocmask(SIG_SETMASK, [], [pid 6447] <... symlink resumed>) = 0 [pid 6446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6447] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6446] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] close(24 [pid 6430] close(24 [pid 6448] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6446] <... futex resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] <... bpf resumed>) = 3 [pid 6447] <... symlink resumed>) = 0 [pid 6446] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] close(25 [pid 6430] close(25 [pid 6448] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] <... futex resumed>) = 0 [pid 6446] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] close(26 [pid 6430] close(26 [pid 6448] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6447] <... openat resumed>) = 3 [pid 6446] <... futex resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] close(27 [pid 6430] close(27 [pid 6446] <... futex resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] <... bpf resumed>) = 0 [pid 6447] write(3, "1000", 4 [pid 6446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6438] close(28 [pid 6430] close(28 [pid 6448] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... write resumed>) = 4 [pid 6446] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] <... futex resumed>) = 0 [pid 6447] close(3 [pid 6446] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6438] close(29 [pid 6430] close(29 [pid 6447] <... close resumed>) = 0 [pid 6446] <... mprotect resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] symlink("/dev/binderfs", "./binderfs" [pid 6446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6438] exit_group(0 [pid 6430] exit_group(0 [pid 6446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6442] <... futex resumed>) = ? [pid 6441] <... futex resumed>) = ? [pid 6438] <... exit_group resumed>) = ? [pid 6436] <... futex resumed>) = ? [pid 6432] <... futex resumed>) = ? [pid 6447] <... symlink resumed>) = 0 [pid 6430] <... exit_group resumed>) = ? [pid 6447] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6442] +++ exited with 0 +++ [pid 6441] +++ exited with 0 +++ [pid 6438] +++ exited with 0 +++ [pid 6436] +++ exited with 0 +++ [pid 6432] +++ exited with 0 +++ ./strace-static-x86_64: Process 6449 attached [pid 6447] <... futex resumed>) = 0 [pid 6430] +++ exited with 0 +++ [pid 6449] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6447] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6446] <... clone3 resumed> => {parent_tid=[14027]}, 88) = 14027 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14198, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6449] <... set_robust_list resumed>) = 0 [pid 6447] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6446] rt_sigprocmask(SIG_SETMASK, [], [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 6449] rt_sigprocmask(SIG_SETMASK, [], [pid 6447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] umount2("./4876", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... restart_syscall resumed>) = 0 [pid 6449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6446] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6446] <... futex resumed>) = 0 [pid 297] openat(AT_FDCWD, "./4876", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./4814", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6447] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6446] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6449] <... bpf resumed>) = 4 [pid 6447] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 297] newfstatat(3, "", [pid 295] openat(AT_FDCWD, "./4814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6449] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... mprotect resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6449] <... futex resumed>) = 1 [pid 6446] <... futex resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 6449] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6446] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] getdents64(3, [pid 295] newfstatat(3, "", [pid 6448] <... futex resumed>) = 0 [pid 6447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6446] <... futex resumed>) = 1 [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6448] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6446] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] umount2("./4876/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] getdents64(3, ./strace-static-x86_64: Process 6450 attached [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6450] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6447] <... clone3 resumed> => {parent_tid=[14305]}, 88) = 14305 [pid 297] newfstatat(AT_FDCWD, "./4876/cgroup.cpu", [pid 6450] <... set_robust_list resumed>) = 0 [pid 6447] rt_sigprocmask(SIG_SETMASK, [], [pid 295] umount2("./4814/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6450] rt_sigprocmask(SIG_SETMASK, [], [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6447] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4876/cgroup.cpu" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6450] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6447] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4814/cgroup.cpu", [pid 6450] <... bpf resumed>) = 3 [pid 6447] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] umount2("./4876/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6450] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./4814/cgroup.cpu" [pid 6450] <... futex resumed>) = 0 [pid 6447] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] newfstatat(AT_FDCWD, "./4876/binderfs", [pid 6447] <... futex resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6450] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 295] <... unlink resumed>) = 0 [pid 6447] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4876/binderfs" [pid 6450] <... bpf resumed>) = 0 [pid 6447] <... futex resumed>) = 0 [pid 295] umount2("./4814/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 6450] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./4876/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6450] <... futex resumed>) = 0 [pid 6447] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 295] newfstatat(AT_FDCWD, "./4814/binderfs", [pid 6450] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6447] <... mprotect resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4876/cgroup", [pid 295] unlink("./4814/binderfs" [pid 6447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] unlink("./4876/cgroup" [pid 6447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 295] umount2("./4814/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6451 attached [pid 297] umount2("./4876/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./4814/cgroup", [pid 6451] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6447] <... clone3 resumed> => {parent_tid=[14306]}, 88) = 14306 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6451] <... set_robust_list resumed>) = 0 [pid 6447] rt_sigprocmask(SIG_SETMASK, [], [pid 297] newfstatat(AT_FDCWD, "./4876/cgroup.net", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6451] rt_sigprocmask(SIG_SETMASK, [], [pid 6447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6447] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4876/cgroup.net" [pid 295] unlink("./4814/cgroup" [pid 6451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6447] <... futex resumed>) = 0 [pid 6451] <... bpf resumed>) = 4 [pid 6447] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6451] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 297] getdents64(3, [pid 6451] <... futex resumed>) = 0 [pid 6447] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] umount2("./4814/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6451] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6450] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = 1 [pid 297] close(3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6450] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6447] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] <... close resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./4814/cgroup.net", [pid 6444] <... bpf resumed>) = 5 [pid 6444] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6443] <... futex resumed>) = 0 [pid 6444] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] close(3) = 0 [pid 6443] close(4) = 0 [pid 6443] close(5 [pid 6448] <... bpf resumed>) = 5 [pid 297] rmdir("./4876" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6448] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6446] <... futex resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 295] unlink("./4814/cgroup.net" [pid 6448] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6446] close(3 [pid 297] mkdir("./4877", 0777 [pid 295] <... unlink resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] getdents64(3, [pid 6446] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6446] close(4 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6452 attached [pid 6446] <... close resumed>) = 0 [pid 295] close(3 [pid 6452] set_robust_list(0x5555568776a0, 24 [pid 6446] close(5 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14384 [pid 6452] <... set_robust_list resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 6452] chdir("./4877") = 0 [pid 295] rmdir("./4814" [pid 6452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6452] setpgid(0, 0) = 0 [pid 6452] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 295] <... rmdir resumed>) = 0 [pid 6452] <... symlink resumed>) = 0 [pid 295] mkdir("./4815", 0777 [pid 6452] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6452] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 295] <... mkdir resumed>) = 0 [pid 6452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6452] <... openat resumed>) = 3 [pid 6452] write(3, "1000", 4) = 4 [pid 6452] close(3) = 0 [pid 6452] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6453 attached ) = 0 [pid 6453] set_robust_list(0x5555568776a0, 24 [pid 6452] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14201 [pid 6453] <... set_robust_list resumed>) = 0 [pid 6452] <... futex resumed>) = 0 [pid 6452] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6453] chdir("./4815" [pid 6452] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6453] <... chdir resumed>) = 0 [pid 6452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6453] <... prctl resumed>) = 0 [pid 6452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6453] setpgid(0, 0 [pid 6452] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6453] <... setpgid resumed>) = 0 [pid 6452] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6453] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6454 attached [pid 6453] <... symlink resumed>) = 0 [pid 6454] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6452] <... clone3 resumed> => {parent_tid=[14385]}, 88) = 14385 [pid 6454] <... set_robust_list resumed>) = 0 [pid 6453] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6452] rt_sigprocmask(SIG_SETMASK, [], [pid 6454] rt_sigprocmask(SIG_SETMASK, [], [pid 6452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6452] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... symlink resumed>) = 0 [pid 6454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6452] <... futex resumed>) = 0 [pid 6453] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6454] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6452] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6454] <... bpf resumed>) = 3 [pid 6453] <... symlink resumed>) = 0 [pid 6454] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6454] <... futex resumed>) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6454] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] <... openat resumed>) = 3 [pid 6452] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] write(3, "1000", 4 [pid 6452] <... futex resumed>) = 0 [pid 6454] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6453] <... write resumed>) = 4 [pid 6452] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6454] <... bpf resumed>) = 0 [pid 6453] close(3 [pid 6452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6454] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] <... close resumed>) = 0 [pid 6452] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6454] <... futex resumed>) = 0 [pid 6452] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6453] symlink("/dev/binderfs", "./binderfs" [pid 6454] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] <... mprotect resumed>) = 0 [pid 6452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6453] <... symlink resumed>) = 0 [pid 6452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6453] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6455 attached [pid 6453] <... futex resumed>) = 0 [pid 6455] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6453] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6452] <... clone3 resumed> => {parent_tid=[14386]}, 88) = 14386 [pid 6455] <... set_robust_list resumed>) = 0 [pid 6453] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6455] rt_sigprocmask(SIG_SETMASK, [], [pid 6453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6455] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6452] rt_sigprocmask(SIG_SETMASK, [], [pid 6453] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6453] <... mprotect resumed>) = 0 [pid 6452] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6455] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 1 [pid 6455] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6452] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6455] <... bpf resumed>) = 4 [pid 6453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6455] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6452] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6456 attached [pid 6455] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6454] <... futex resumed>) = 0 [pid 6453] <... clone3 resumed> => {parent_tid=[14202]}, 88) = 14202 [pid 6452] <... futex resumed>) = 1 [pid 6456] <... set_robust_list resumed>) = 0 [pid 6454] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6453] rt_sigprocmask(SIG_SETMASK, [], [pid 6452] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6456] rt_sigprocmask(SIG_SETMASK, [], [pid 6453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6453] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6453] <... futex resumed>) = 0 [pid 6456] <... bpf resumed>) = 3 [pid 6456] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6456] <... futex resumed>) = 0 [pid 6456] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] <... futex resumed>) = 0 [pid 6453] <... futex resumed>) = 1 [pid 6456] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6453] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] <... bpf resumed>) = 0 [pid 6453] <... futex resumed>) = 0 [pid 6456] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6456] <... futex resumed>) = 0 [pid 6456] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6453] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6453] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0}./strace-static-x86_64: Process 6457 attached [pid 6457] set_robust_list(0x7fd4ce11a9a0, 24) = 0 [pid 6457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6457] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] <... clone3 resumed> => {parent_tid=[14203]}, 88) = 14203 [pid 6453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6453] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] <... futex resumed>) = 0 [pid 6453] <... futex resumed>) = 1 [pid 6457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6453] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6457] <... bpf resumed>) = 4 [pid 6457] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6453] <... futex resumed>) = 0 [pid 6457] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] <... futex resumed>) = 0 [pid 6453] <... futex resumed>) = 1 [pid 6456] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6453] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6443] <... close resumed>) = 0 [pid 6450] <... bpf resumed>) = 5 [pid 6450] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] close(6 [pid 6450] <... futex resumed>) = 1 [pid 6447] <... futex resumed>) = 0 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] close(3 [pid 6443] close(7) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = 0 [pid 6443] close(8 [pid 6447] close(4 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = 0 [pid 6443] close(9 [pid 6447] close(5 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] close(10) = -1 EBADF (Bad file descriptor) [pid 6443] close(11) = -1 EBADF (Bad file descriptor) [pid 6443] close(12) = -1 EBADF (Bad file descriptor) [pid 6443] close(13) = -1 EBADF (Bad file descriptor) [pid 6443] close(14) = -1 EBADF (Bad file descriptor) [pid 6443] close(15) = -1 EBADF (Bad file descriptor) [pid 6443] close(16) = -1 EBADF (Bad file descriptor) [pid 6443] close(17) = -1 EBADF (Bad file descriptor) [pid 6443] close(18) = -1 EBADF (Bad file descriptor) [pid 6443] close(19) = -1 EBADF (Bad file descriptor) [pid 6443] close(20) = -1 EBADF (Bad file descriptor) [pid 6443] close(21) = -1 EBADF (Bad file descriptor) [pid 6443] close(22) = -1 EBADF (Bad file descriptor) [pid 6443] close(23) = -1 EBADF (Bad file descriptor) [pid 6443] close(24) = -1 EBADF (Bad file descriptor) [pid 6443] close(25) = -1 EBADF (Bad file descriptor) [pid 6443] close(26) = -1 EBADF (Bad file descriptor) [pid 6443] close(27) = -1 EBADF (Bad file descriptor) [pid 6443] close(28) = -1 EBADF (Bad file descriptor) [pid 6443] close(29) = -1 EBADF (Bad file descriptor) [pid 6443] exit_group(0 [pid 6445] <... futex resumed>) = ? [pid 6444] <... futex resumed>) = ? [pid 6443] <... exit_group resumed>) = ? [pid 6445] +++ exited with 0 +++ [pid 6444] +++ exited with 0 +++ [pid 6443] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 293] umount2("./4702", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4702/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4702/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4702/cgroup.cpu") = 0 [pid 293] umount2("./4702/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4702/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4702/binderfs") = 0 [pid 293] umount2("./4702/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4702/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4702/cgroup") = 0 [pid 293] umount2("./4702/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4702/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4702/cgroup.net") = 0 [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [pid 293] rmdir("./4702") = 0 [pid 293] mkdir("./4703", 0777) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556877690) = 13871 ./strace-static-x86_64: Process 6458 attached [pid 6458] set_robust_list(0x5555568776a0, 24) = 0 [pid 6458] chdir("./4703") = 0 [pid 6458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6458] setpgid(0, 0) = 0 [pid 6458] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6458] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6458] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6458] write(3, "1000", 4) = 4 [pid 6458] close(3) = 0 [pid 6458] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6458] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6458] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 6458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd4ce11b000 [pid 6458] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0}./strace-static-x86_64: Process 6459 attached [pid 6459] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6458] <... clone3 resumed> => {parent_tid=[13872]}, 88) = 13872 [pid 6459] <... set_robust_list resumed>) = 0 [pid 6458] rt_sigprocmask(SIG_SETMASK, [], [pid 6459] rt_sigprocmask(SIG_SETMASK, [], [pid 6458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6458] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6459] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6458] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6459] <... bpf resumed>) = 3 [pid 6459] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6458] <... futex resumed>) = 0 [pid 6459] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6458] <... futex resumed>) = 0 [pid 6459] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6458] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6459] <... bpf resumed>) = 0 [pid 6458] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6459] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6459] <... futex resumed>) = 0 [pid 6458] <... mprotect resumed>) = 0 [pid 6459] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} => {parent_tid=[13873]}, 88) = 13873 ./strace-static-x86_64: Process 6460 attached [pid 6458] rt_sigprocmask(SIG_SETMASK, [], [pid 6460] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6460] <... set_robust_list resumed>) = 0 [pid 6458] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] rt_sigprocmask(SIG_SETMASK, [], [pid 6458] <... futex resumed>) = 0 [pid 6460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6458] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 6460] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6458] <... futex resumed>) = 0 [pid 6458] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6459] <... futex resumed>) = 0 [pid 6458] <... futex resumed>) = 1 [pid 6459] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6458] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6454] <... bpf resumed>) = 5 [pid 6446] <... close resumed>) = 0 [pid 6456] <... bpf resumed>) = 5 [pid 6459] <... bpf resumed>) = 5 [pid 6456] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... close resumed>) = 0 [pid 6446] close(6 [pid 6459] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] <... futex resumed>) = 1 [pid 6454] <... futex resumed>) = 1 [pid 6453] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 0 [pid 6447] close(6 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6459] <... futex resumed>) = 1 [pid 6458] <... futex resumed>) = 0 [pid 6456] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6454] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] close(3 [pid 6452] close(3 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(7 [pid 6459] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] close(3 [pid 6453] <... close resumed>) = 0 [pid 6452] <... close resumed>) = 0 [pid 6458] <... close resumed>) = 0 [pid 6453] close(4 [pid 6452] close(4 [pid 6447] close(7 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6458] close(4 [pid 6453] <... close resumed>) = 0 [pid 6452] <... close resumed>) = 0 [pid 6458] <... close resumed>) = 0 [pid 6453] close(5 [pid 6452] close(5 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(8 [pid 6458] close(5 [pid 6453] <... close resumed>) = 0 [pid 6447] close(8 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(6 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(9 [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] close(9 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(7 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(10 [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(8 [pid 6447] close(10 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(11 [pid 6453] close(9) = -1 EBADF (Bad file descriptor) [pid 6447] close(11 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(10) = -1 EBADF (Bad file descriptor) [pid 6453] close(11) = -1 EBADF (Bad file descriptor) [pid 6453] close(12) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(12 [pid 6453] close(13 [pid 6447] close(12 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(13 [pid 6453] close(14 [pid 6447] close(13 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(14 [pid 6453] close(15 [pid 6447] close(14 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(15 [pid 6453] close(16 [pid 6447] close(15 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(17 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(16 [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] close(16 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(18) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(17 [pid 6453] close(19 [pid 6447] close(17 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(20 [pid 6446] close(18 [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] close(18 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(21 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(19 [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] close(19 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(22 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(20 [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] close(20 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(23 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(21 [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] close(21 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(24 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(22 [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] close(22 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] close(25) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(23 [pid 6453] close(26 [pid 6447] close(23 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(24 [pid 6453] close(27 [pid 6447] close(24 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(25 [pid 6453] close(28) = -1 EBADF (Bad file descriptor) [pid 6453] close(29) = -1 EBADF (Bad file descriptor) [pid 6453] exit_group(0 [pid 6447] close(25 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6457] <... futex resumed>) = ? [pid 6456] <... futex resumed>) = ? [pid 6453] <... exit_group resumed>) = ? [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(26 [pid 6457] +++ exited with 0 +++ [pid 6456] +++ exited with 0 +++ [pid 6453] +++ exited with 0 +++ [pid 6447] close(26 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(27 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6447] close(27 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(28 [pid 295] umount2("./4815", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6447] close(28 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] close(29 [pid 295] openat(AT_FDCWD, "./4815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6447] close(29 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 295] <... openat resumed>) = 3 [pid 6447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] exit_group(0 [pid 295] newfstatat(3, "", [pid 6449] <... futex resumed>) = ? [pid 6448] <... futex resumed>) = ? [pid 6447] exit_group(0 [pid 6446] <... exit_group resumed>) = ? [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6451] <... futex resumed>) = ? [pid 6450] <... futex resumed>) = ? [pid 6449] +++ exited with 0 +++ [pid 6448] +++ exited with 0 +++ [pid 6447] <... exit_group resumed>) = ? [pid 295] getdents64(3, [pid 6450] +++ exited with 0 +++ [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 295] umount2("./4815/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4815/cgroup.cpu", [pid 6446] +++ exited with 0 +++ [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4815/cgroup.cpu") = 0 [pid 295] umount2("./4815/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6451] +++ exited with 0 +++ [pid 6447] +++ exited with 0 +++ [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4815/binderfs", [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] unlink("./4815/binderfs" [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... unlink resumed>) = 0 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 295] umount2("./4815/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4815/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4815/cgroup") = 0 [pid 295] umount2("./4815/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./4815/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./4815/cgroup.net" [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 294] <... restart_syscall resumed>) = 0 [pid 295] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./4815" [pid 296] umount2("./4843", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./4816", 0777 [pid 294] umount2("./4763", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... mkdir resumed>) = 0 [pid 296] openat(AT_FDCWD, "./4843", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6461 attached [pid 296] newfstatat(3, "", [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14204 [pid 294] openat(AT_FDCWD, "./4763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6461] set_robust_list(0x5555568776a0, 24 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6461] <... set_robust_list resumed>) = 0 [pid 296] getdents64(3, [pid 294] <... openat resumed>) = 3 [pid 6461] chdir("./4816" [pid 296] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6461] <... chdir resumed>) = 0 [pid 294] newfstatat(3, "", [pid 6461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] umount2("./4843/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6461] <... prctl resumed>) = 0 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6461] setpgid(0, 0 [pid 296] newfstatat(AT_FDCWD, "./4843/cgroup.cpu", [pid 294] getdents64(3, [pid 6461] <... setpgid resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] unlink("./4843/cgroup.cpu" [pid 6461] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 294] umount2("./4763/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6461] <... symlink resumed>) = 0 [pid 296] umount2("./4843/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] newfstatat(AT_FDCWD, "./4763/cgroup.cpu", [pid 6461] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6461] <... symlink resumed>) = 0 [pid 6461] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 296] newfstatat(AT_FDCWD, "./4843/binderfs", [pid 294] unlink("./4763/cgroup.cpu" [pid 6461] <... symlink resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 6461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./4763/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6461] <... openat resumed>) = 3 [pid 296] unlink("./4843/binderfs" [pid 6461] write(3, "1000", 4 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./4763/binderfs", [pid 6461] <... write resumed>) = 4 [pid 296] umount2("./4843/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6461] close(3 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6461] <... close resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./4843/cgroup", [pid 294] unlink("./4763/binderfs" [pid 6461] symlink("/dev/binderfs", "./binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4843/cgroup" [pid 294] <... unlink resumed>) = 0 [pid 6461] <... symlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] umount2("./4763/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6461] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] umount2("./4843/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6461] <... futex resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./4763/cgroup", [pid 6461] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 296] newfstatat(AT_FDCWD, "./4843/cgroup.net", [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6461] <... rt_sigaction resumed>NULL, 8) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./4763/cgroup" [pid 6461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 296] unlink("./4843/cgroup.net" [pid 294] <... unlink resumed>) = 0 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] <... unlink resumed>) = 0 [pid 294] umount2("./4763/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 296] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6461] <... mmap resumed>) = 0x7fd4ce11b000 [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 294] newfstatat(AT_FDCWD, "./4763/cgroup.net", [pid 6461] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 296] close(3 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6461] <... mprotect resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 294] unlink("./4763/cgroup.net" [pid 6461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 294] <... unlink resumed>) = 0 [pid 6461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 296] rmdir("./4843" [pid 6461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 294] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 294] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6462 attached [pid 296] mkdir("./4844", 0777 [pid 294] close(3 [pid 6462] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6461] <... clone3 resumed> => {parent_tid=[14205]}, 88) = 14205 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6462] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... mkdir resumed>) = 0 [pid 6461] rt_sigprocmask(SIG_SETMASK, [], [pid 6458] <... close resumed>) = 0 [pid 6452] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] <... close resumed>) = 0 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6458] close(6 [pid 6452] close(6 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6458] close(7 [pid 6452] close(7 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6463 attached [pid 6461] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] close(8 [pid 6452] close(8 [pid 294] rmdir("./4763" [pid 6463] set_robust_list(0x5555568776a0, 24 [pid 6462] <... futex resumed>) = 0 [pid 6461] <... futex resumed>) = 1 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14307 [pid 6463] <... set_robust_list resumed>) = 0 [pid 6458] close(9 [pid 6452] close(9 [pid 6463] chdir("./4844" [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... chdir resumed>) = 0 [pid 6462] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6461] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] close(10 [pid 6452] close(10 [pid 294] <... rmdir resumed>) = 0 [pid 6463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6462] <... bpf resumed>) = 3 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... prctl resumed>) = 0 [pid 6462] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] close(11 [pid 6452] close(11 [pid 294] mkdir("./4764", 0777 [pid 6463] setpgid(0, 0 [pid 6462] <... futex resumed>) = 1 [pid 6461] <... futex resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... setpgid resumed>) = 0 [pid 6458] close(12 [pid 6452] close(12 [pid 6463] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6462] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... mkdir resumed>) = 0 [pid 6463] <... symlink resumed>) = 0 [pid 6458] close(13 [pid 6452] close(13 [pid 6463] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6461] <... futex resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6463] <... symlink resumed>) = 0 [pid 6458] close(14 [pid 6452] close(14 [pid 6463] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... symlink resumed>) = 0 [pid 6458] close(15 [pid 6452] close(15./strace-static-x86_64: Process 6464 attached [pid 6463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6462] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6461] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] set_robust_list(0x5555568776a0, 24 [pid 6463] <... openat resumed>) = 3 [pid 6458] close(16 [pid 6452] close(16 [pid 6464] <... set_robust_list resumed>) = 0 [pid 6463] write(3, "1000", 4 [pid 6462] <... bpf resumed>) = 0 [pid 6461] <... futex resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... clone resumed>, child_tidptr=0x555556877690) = 14028 [pid 6464] chdir("./4764" [pid 6463] <... write resumed>) = 4 [pid 6462] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6458] close(17 [pid 6452] close(17 [pid 6464] <... chdir resumed>) = 0 [pid 6463] close(3 [pid 6462] <... futex resumed>) = 0 [pid 6461] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6463] <... close resumed>) = 0 [pid 6462] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6458] close(18 [pid 6452] close(18 [pid 6464] <... prctl resumed>) = 0 [pid 6463] symlink("/dev/binderfs", "./binderfs" [pid 6461] <... mprotect resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] setpgid(0, 0 [pid 6463] <... symlink resumed>) = 0 [pid 6461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6458] close(19 [pid 6452] close(19 [pid 6464] <... setpgid resumed>) = 0 [pid 6463] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6463] <... futex resumed>) = 0 [pid 6461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6458] close(20 [pid 6452] close(20 [pid 6464] <... symlink resumed>) = 0 [pid 6463] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6465 attached [pid 6464] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6463] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6458] close(21 [pid 6452] close(21 [pid 6465] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6464] <... symlink resumed>) = 0 [pid 6463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] <... clone3 resumed> => {parent_tid=[14206]}, 88) = 14206 [pid 6465] <... set_robust_list resumed>) = 0 [pid 6464] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6458] close(22 [pid 6452] close(22 [pid 6461] rt_sigprocmask(SIG_SETMASK, [], [pid 6465] rt_sigprocmask(SIG_SETMASK, [], [pid 6464] <... symlink resumed>) = 0 [pid 6463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6463] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6458] close(23 [pid 6452] close(23 [pid 6465] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] <... openat resumed>) = 3 [pid 6463] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6461] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6464] write(3, "1000", 4 [pid 6463] <... mprotect resumed>) = 0 [pid 6461] <... futex resumed>) = 0 [pid 6458] close(24 [pid 6452] close(24 [pid 6465] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6464] <... write resumed>) = 4 [pid 6463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6461] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6465] <... bpf resumed>) = 4 [pid 6464] close(3 [pid 6463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6458] close(25 [pid 6452] close(25 [pid 6465] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... close resumed>) = 0 [pid 6463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6466 attached [pid 6465] <... futex resumed>) = 1 [pid 6464] symlink("/dev/binderfs", "./binderfs" [pid 6461] <... futex resumed>) = 0 [pid 6458] close(26 [pid 6452] close(26 [pid 6466] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6465] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] <... symlink resumed>) = 0 [pid 6463] <... clone3 resumed> => {parent_tid=[14308]}, 88) = 14308 [pid 6461] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6466] <... set_robust_list resumed>) = 0 [pid 6464] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] <... futex resumed>) = 0 [pid 6461] <... futex resumed>) = 1 [pid 6458] close(27 [pid 6452] close(27 [pid 6466] rt_sigprocmask(SIG_SETMASK, [], [pid 6464] <... futex resumed>) = 0 [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6462] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6461] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6464] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6463] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] close(28 [pid 6452] close(28 [pid 6466] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6464] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6463] <... futex resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6466] <... bpf resumed>) = 3 [pid 6464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6463] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] close(29 [pid 6452] close(29 [pid 6466] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6466] <... futex resumed>) = 0 [pid 6464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6463] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] exit_group(0 [pid 6452] exit_group(0 [pid 6466] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6464] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6463] <... futex resumed>) = 0 [pid 6460] <... futex resumed>) = ? [pid 6459] <... futex resumed>) = ? [pid 6458] <... exit_group resumed>) = ? [pid 6455] <... futex resumed>) = ? [pid 6454] <... futex resumed>) = ? [pid 6452] <... exit_group resumed>) = ? [pid 6466] <... bpf resumed>) = 0 [pid 6464] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6463] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] +++ exited with 0 +++ [pid 6459] +++ exited with 0 +++ [pid 6458] +++ exited with 0 +++ [pid 6455] +++ exited with 0 +++ [pid 6454] +++ exited with 0 +++ [pid 6452] +++ exited with 0 +++ [pid 6466] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... mprotect resumed>) = 0 [pid 6463] <... futex resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6466] <... futex resumed>) = 0 [pid 6464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6466] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6463] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6463] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 297] umount2("./4877", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6467 attached [pid 6463] <... mprotect resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6467] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6464] <... clone3 resumed> => {parent_tid=[14029]}, 88) = 14029 [pid 6463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 297] openat(AT_FDCWD, "./4877", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6467] <... set_robust_list resumed>) = 0 [pid 6464] rt_sigprocmask(SIG_SETMASK, [], [pid 6463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 297] <... openat resumed>) = 3 [pid 6467] rt_sigprocmask(SIG_SETMASK, [], [pid 6464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 297] newfstatat(3, "", ./strace-static-x86_64: Process 6468 attached [pid 6467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6464] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6468] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6467] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6464] <... futex resumed>) = 0 [pid 6463] <... clone3 resumed> => {parent_tid=[14309]}, 88) = 14309 [pid 297] getdents64(3, [pid 6468] <... set_robust_list resumed>) = 0 [pid 6467] <... bpf resumed>) = 3 [pid 6464] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] rt_sigprocmask(SIG_SETMASK, [], [pid 297] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6468] rt_sigprocmask(SIG_SETMASK, [], [pid 6467] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 297] umount2("./4877/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] umount2("./4703", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6467] <... futex resumed>) = 1 [pid 6464] <... futex resumed>) = 0 [pid 6463] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6467] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... futex resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4877/cgroup.cpu", [pid 293] openat(AT_FDCWD, "./4703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6464] <... futex resumed>) = 0 [pid 6463] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] <... bpf resumed>) = 5 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... openat resumed>) = 3 [pid 6468] <... bpf resumed>) = 4 [pid 6467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6464] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4877/cgroup.cpu" [pid 293] newfstatat(3, "", [pid 6468] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6464] <... futex resumed>) = 0 [pid 6462] <... futex resumed>) = 1 [pid 6461] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6468] <... futex resumed>) = 1 [pid 6467] <... bpf resumed>) = 0 [pid 6464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6463] <... futex resumed>) = 0 [pid 297] umount2("./4877/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6462] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] getdents64(3, [pid 6461] close(3 [pid 6468] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6463] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 6467] <... futex resumed>) = 0 [pid 6466] <... futex resumed>) = 0 [pid 6464] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6463] <... futex resumed>) = 1 [pid 6461] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4877/binderfs", [pid 293] umount2("./4703/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6467] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6464] <... mprotect resumed>) = 0 [pid 6463] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6461] close(4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6466] <... bpf resumed>) = 5 [pid 6464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6461] <... close resumed>) = 0 [pid 297] unlink("./4877/binderfs" [pid 293] newfstatat(AT_FDCWD, "./4703/cgroup.cpu", [pid 6466] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6461] close(5 [pid 297] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6466] <... futex resumed>) = 1 [pid 6464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6463] <... futex resumed>) = 0 [pid 297] umount2("./4877/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4703/cgroup.cpu"./strace-static-x86_64: Process 6469 attached [pid 6466] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6463] close(3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 6469] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6464] <... clone3 resumed> => {parent_tid=[14030]}, 88) = 14030 [pid 6463] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4877/cgroup", [pid 293] umount2("./4703/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6469] <... set_robust_list resumed>) = 0 [pid 6464] rt_sigprocmask(SIG_SETMASK, [], [pid 6463] close(4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6469] rt_sigprocmask(SIG_SETMASK, [], [pid 6464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6463] <... close resumed>) = 0 [pid 297] unlink("./4877/cgroup" [pid 293] newfstatat(AT_FDCWD, "./4703/binderfs", [pid 6469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6464] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] close(5 [pid 297] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6469] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6464] <... futex resumed>) = 0 [pid 297] umount2("./4877/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 293] unlink("./4703/binderfs" [pid 6464] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... unlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4877/cgroup.net", [pid 293] umount2("./4703/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6469] <... bpf resumed>) = 4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6469] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] unlink("./4877/cgroup.net" [pid 293] newfstatat(AT_FDCWD, "./4703/cgroup", [pid 6469] <... futex resumed>) = 1 [pid 6464] <... futex resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6469] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] getdents64(3, [pid 293] unlink("./4703/cgroup" [pid 6467] <... futex resumed>) = 0 [pid 6464] <... futex resumed>) = 1 [pid 297] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] <... unlink resumed>) = 0 [pid 6467] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6464] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 297] close(3 [pid 293] umount2("./4703/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 297] <... close resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] rmdir("./4877" [pid 293] newfstatat(AT_FDCWD, "./4703/cgroup.net", [pid 297] <... rmdir resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] mkdir("./4878", 0777 [pid 293] unlink("./4703/cgroup.net" [pid 297] <... mkdir resumed>) = 0 [pid 293] <... unlink resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] getdents64(3, ./strace-static-x86_64: Process 6470 attached 0x555556878730 /* 0 entries */, 32768) = 0 [pid 6470] set_robust_list(0x5555568776a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x555556877690) = 14387 [pid 293] close(3 [pid 6470] <... set_robust_list resumed>) = 0 [pid 293] <... close resumed>) = 0 [pid 293] rmdir("./4703" [pid 6470] chdir("./4878" [pid 293] <... rmdir resumed>) = 0 [pid 6470] <... chdir resumed>) = 0 [pid 293] mkdir("./4704", 0777 [pid 6470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... mkdir resumed>) = 0 [pid 6470] <... prctl resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6470] setpgid(0, 0./strace-static-x86_64: Process 6471 attached ) = 0 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13874 [pid 6471] set_robust_list(0x5555568776a0, 24) = 0 [pid 6470] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6471] chdir("./4704" [pid 6470] <... symlink resumed>) = 0 [pid 6471] <... chdir resumed>) = 0 [pid 6470] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6470] <... symlink resumed>) = 0 [pid 6471] setpgid(0, 0 [pid 6470] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6471] <... setpgid resumed>) = 0 [pid 6470] <... symlink resumed>) = 0 [pid 6471] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6471] <... symlink resumed>) = 0 [pid 6471] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6470] <... openat resumed>) = 3 [pid 6471] <... symlink resumed>) = 0 [pid 6470] write(3, "1000", 4 [pid 6471] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6470] <... write resumed>) = 4 [pid 6471] <... symlink resumed>) = 0 [pid 6470] close(3 [pid 6471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6470] <... close resumed>) = 0 [pid 6471] <... openat resumed>) = 3 [pid 6470] symlink("/dev/binderfs", "./binderfs" [pid 6471] write(3, "1000", 4) = 4 [pid 6470] <... symlink resumed>) = 0 [pid 6471] close(3 [pid 6470] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] <... close resumed>) = 0 [pid 6470] <... futex resumed>) = 0 [pid 6471] symlink("/dev/binderfs", "./binderfs" [pid 6470] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6471] <... symlink resumed>) = 0 [pid 6470] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6471] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6471] <... futex resumed>) = 0 [pid 6470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6471] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6470] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6470] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6470] <... mprotect resumed>) = 0 [pid 6471] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6471] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6470] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6471] <... mprotect resumed>) = 0 [pid 6470] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6471] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6472 attached [pid 6471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6472] set_robust_list(0x7fd4ce13b9a0, 24./strace-static-x86_64: Process 6473 attached ) = 0 [pid 6470] <... clone3 resumed> => {parent_tid=[14388]}, 88) = 14388 [pid 6473] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6472] rt_sigprocmask(SIG_SETMASK, [], [pid 6471] <... clone3 resumed> => {parent_tid=[13875]}, 88) = 13875 [pid 6470] rt_sigprocmask(SIG_SETMASK, [], [pid 6473] <... set_robust_list resumed>) = 0 [pid 6472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] rt_sigprocmask(SIG_SETMASK, [], [pid 6470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6473] rt_sigprocmask(SIG_SETMASK, [], [pid 6472] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6473] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6470] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6471] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] <... futex resumed>) = 0 [pid 6470] <... futex resumed>) = 1 [pid 6473] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6472] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6471] <... futex resumed>) = 0 [pid 6473] <... bpf resumed>) = 3 [pid 6472] <... bpf resumed>) = 3 [pid 6470] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6473] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6473] <... futex resumed>) = 0 [pid 6472] <... futex resumed>) = 0 [pid 6471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6470] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6472] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6471] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... futex resumed>) = 0 [pid 6473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6472] <... bpf resumed>) = 0 [pid 6471] <... futex resumed>) = 0 [pid 6470] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6472] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... futex resumed>) = 0 [pid 6473] <... bpf resumed>) = 0 [pid 6472] <... futex resumed>) = 0 [pid 6471] <... futex resumed>) = 0 [pid 6470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6473] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6473] <... futex resumed>) = 0 [pid 6471] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6470] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6473] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6471] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6470] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6471] <... mprotect resumed>) = 0 [pid 6470] <... mprotect resumed>) = 0 [pid 6471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6470] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6470] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6461] <... close resumed>) = 0 ./strace-static-x86_64: Process 6474 attached [pid 6470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6463] <... close resumed>) = 0 [pid 6461] close(6 [pid 6474] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6471] <... clone3 resumed> => {parent_tid=[13876]}, 88) = 13876 ./strace-static-x86_64: Process 6475 attached [pid 6474] <... set_robust_list resumed>) = 0 [pid 6471] rt_sigprocmask(SIG_SETMASK, [], [pid 6463] close(6 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6474] rt_sigprocmask(SIG_SETMASK, [], [pid 6471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6470] <... clone3 resumed> => {parent_tid=[14389]}, 88) = 14389 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(7 [pid 6475] <... set_robust_list resumed>) = 0 [pid 6474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] rt_sigprocmask(SIG_SETMASK, [], [pid 6463] close(7 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] rt_sigprocmask(SIG_SETMASK, [], [pid 6474] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6471] <... futex resumed>) = 0 [pid 6470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(8 [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6475] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6474] <... bpf resumed>) = 4 [pid 6471] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6463] close(8 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] <... futex resumed>) = 0 [pid 6474] <... futex resumed>) = 0 [pid 6471] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... futex resumed>) = 1 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(9 [pid 6475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 6474] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6473] <... futex resumed>) = 0 [pid 6471] <... futex resumed>) = 1 [pid 6470] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] close(9 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6471] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(10 [pid 6475] <... futex resumed>) = 0 [pid 6470] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] close(10 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6472] <... futex resumed>) = 0 [pid 6470] <... futex resumed>) = 1 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(11 [pid 6472] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6470] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6463] close(11 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(12 [pid 6463] close(12) = -1 EBADF (Bad file descriptor) [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(13 [pid 6461] close(13 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(14 [pid 6461] close(14 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(15 [pid 6461] close(15 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(16) = -1 EBADF (Bad file descriptor) [pid 6461] close(16 [pid 6463] close(17 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(17 [pid 6463] close(18 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(18 [pid 6463] close(19 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(19 [pid 6463] close(20 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(20 [pid 6463] close(21 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(21 [pid 6463] close(22 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(22 [pid 6463] close(23 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(23 [pid 6463] close(24 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(24 [pid 6463] close(25 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(25 [pid 6463] close(26 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(26 [pid 6463] close(27 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(27 [pid 6463] close(28 [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] close(28 [pid 6463] close(29) = -1 EBADF (Bad file descriptor) [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] exit_group(0 [pid 6461] close(29 [pid 6466] <... futex resumed>) = ? [pid 6463] <... exit_group resumed>) = ? [pid 6461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6468] <... futex resumed>) = ? [pid 6466] +++ exited with 0 +++ [pid 6461] exit_group(0 [pid 6468] +++ exited with 0 +++ [pid 6465] <... futex resumed>) = ? [pid 6463] +++ exited with 0 +++ [pid 6462] <... futex resumed>) = ? [pid 6461] <... exit_group resumed>) = ? [pid 6465] +++ exited with 0 +++ [pid 6462] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 296] umount2("./4844", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6461] +++ exited with 0 +++ [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./4844", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... openat resumed>) = 3 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 296] newfstatat(3, "", [pid 295] <... restart_syscall resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4844/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] umount2("./4816", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4844/cgroup.cpu", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4844/cgroup.cpu") = 0 [pid 295] openat(AT_FDCWD, "./4816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] umount2("./4844/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./4844/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4844/binderfs" [pid 295] newfstatat(3, "", [pid 296] <... unlink resumed>) = 0 [pid 296] umount2("./4844/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./4844/cgroup", [pid 295] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4844/cgroup") = 0 [pid 295] <... getdents64 resumed>0x555556878730 /* 6 entries */, 32768) = 176 [pid 296] umount2("./4844/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] umount2("./4816/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./4844/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4844/cgroup.net") = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./4816/cgroup.cpu", [pid 296] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./4844" [pid 295] unlink("./4816/cgroup.cpu" [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./4845", 0777) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] umount2("./4816/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 296] <... clone resumed>, child_tidptr=0x555556877690) = 14310 ./strace-static-x86_64: Process 6476 attached [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6476] set_robust_list(0x5555568776a0, 24 [pid 295] newfstatat(AT_FDCWD, "./4816/binderfs", [pid 6476] <... set_robust_list resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6476] chdir("./4845" [pid 295] unlink("./4816/binderfs" [pid 6476] <... chdir resumed>) = 0 [pid 6476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... unlink resumed>) = 0 [pid 6476] <... prctl resumed>) = 0 [pid 295] umount2("./4816/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6476] setpgid(0, 0) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6476] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 295] newfstatat(AT_FDCWD, "./4816/cgroup", [pid 6476] <... symlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6476] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 295] unlink("./4816/cgroup" [pid 6476] <... symlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 6476] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 295] umount2("./4816/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6476] <... symlink resumed>) = 0 [pid 6476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6476] <... openat resumed>) = 3 [pid 6476] write(3, "1000", 4 [pid 295] newfstatat(AT_FDCWD, "./4816/cgroup.net", [pid 6476] <... write resumed>) = 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6476] close(3 [pid 295] unlink("./4816/cgroup.net" [pid 6476] <... close resumed>) = 0 [pid 6476] symlink("/dev/binderfs", "./binderfs" [pid 295] <... unlink resumed>) = 0 [pid 6476] <... symlink resumed>) = 0 [pid 295] getdents64(3, [pid 6476] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... getdents64 resumed>0x555556878730 /* 0 entries */, 32768) = 0 [pid 6476] <... futex resumed>) = 0 [pid 295] close(3 [pid 6476] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, NULL, 8) = 0 [pid 295] <... close resumed>) = 0 [pid 6476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 295] rmdir("./4816" [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 6476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 295] mkdir("./4817", 0777 [pid 6476] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6476] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 295] <... mkdir resumed>) = 0 [pid 6476] <... mprotect resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6476] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6477 attached [], 8) = 0 [pid 6477] set_robust_list(0x5555568776a0, 24 [pid 6476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6477] <... set_robust_list resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555556877690) = 14207 [pid 6477] chdir("./4817"./strace-static-x86_64: Process 6478 attached ) = 0 [pid 6478] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6476] <... clone3 resumed> => {parent_tid=[14311]}, 88) = 14311 [pid 6478] <... set_robust_list resumed>) = 0 [pid 6477] <... prctl resumed>) = 0 [pid 6476] rt_sigprocmask(SIG_SETMASK, [], [pid 6478] rt_sigprocmask(SIG_SETMASK, [], [pid 6477] setpgid(0, 0 [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6477] <... setpgid resumed>) = 0 [pid 6476] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6477] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6476] <... futex resumed>) = 0 [pid 6478] <... bpf resumed>) = 3 [pid 6477] <... symlink resumed>) = 0 [pid 6473] <... bpf resumed>) = 5 [pid 6472] <... bpf resumed>) = 5 [pid 6467] <... bpf resumed>) = 5 [pid 6478] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6476] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6473] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] <... futex resumed>) = 0 [pid 6477] <... symlink resumed>) = 0 [pid 6476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6473] <... futex resumed>) = 1 [pid 6472] <... futex resumed>) = 1 [pid 6471] <... futex resumed>) = 0 [pid 6470] <... futex resumed>) = 0 [pid 6467] <... futex resumed>) = 1 [pid 6464] <... futex resumed>) = 0 [pid 6478] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6477] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6476] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6472] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6471] close(3 [pid 6470] close(3 [pid 6467] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] close(3 [pid 6478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6477] <... symlink resumed>) = 0 [pid 6476] <... futex resumed>) = 0 [pid 6471] <... close resumed>) = 0 [pid 6470] <... close resumed>) = 0 [pid 6464] <... close resumed>) = 0 [pid 6478] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6476] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] close(4 [pid 6470] close(4 [pid 6464] close(4 [pid 6478] <... bpf resumed>) = 0 [pid 6477] <... openat resumed>) = 3 [pid 6476] <... futex resumed>) = 0 [pid 6471] <... close resumed>) = 0 [pid 6470] <... close resumed>) = 0 [pid 6464] <... close resumed>) = 0 [pid 6478] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] write(3, "1000", 4 [pid 6476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6471] close(5 [pid 6470] close(5 [pid 6464] close(5 [pid 6478] <... futex resumed>) = 0 [pid 6477] <... write resumed>) = 4 [pid 6476] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6471] <... close resumed>) = 0 [pid 6478] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6477] close(3 [pid 6476] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6471] close(6 [pid 6477] <... close resumed>) = 0 [pid 6477] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6476] <... mprotect resumed>) = 0 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6471] close(7 [pid 6477] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6471] close(8 [pid 6477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 6479 attached [pid 6477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6479] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6477] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6476] <... clone3 resumed> => {parent_tid=[14312]}, 88) = 14312 [pid 6471] close(9 [pid 6479] <... set_robust_list resumed>) = 0 [pid 6477] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6476] rt_sigprocmask(SIG_SETMASK, [], [pid 6479] rt_sigprocmask(SIG_SETMASK, [], [pid 6477] <... mprotect resumed>) = 0 [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6477] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6476] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] close(10 [pid 6477] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6479] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6476] <... futex resumed>) = 0 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6480 attached [pid 6480] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6477] <... clone3 resumed> => {parent_tid=[14208]}, 88) = 14208 [pid 6480] <... set_robust_list resumed>) = 0 [pid 6477] rt_sigprocmask(SIG_SETMASK, [], [pid 6480] rt_sigprocmask(SIG_SETMASK, [], [pid 6477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6477] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6479] <... bpf resumed>) = 4 [pid 6477] <... futex resumed>) = 0 [pid 6476] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6471] close(11 [pid 6480] <... bpf resumed>) = 3 [pid 6479] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6480] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... futex resumed>) = 0 [pid 6477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6480] <... futex resumed>) = 0 [pid 6479] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6477] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] close(12 [pid 6480] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6478] <... futex resumed>) = 0 [pid 6477] <... futex resumed>) = 0 [pid 6476] <... futex resumed>) = 1 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6480] <... bpf resumed>) = 0 [pid 6478] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6477] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6471] close(13 [pid 6480] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] <... futex resumed>) = 0 [pid 6480] <... futex resumed>) = 0 [pid 6477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6480] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6477] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6471] close(14 [pid 6477] <... mprotect resumed>) = 0 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6471] close(15 [pid 6477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6481 attached [pid 6471] close(16 [pid 6481] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6477] <... clone3 resumed> => {parent_tid=[14209]}, 88) = 14209 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6481] <... set_robust_list resumed>) = 0 [pid 6477] rt_sigprocmask(SIG_SETMASK, [], [pid 6471] close(17 [pid 6481] rt_sigprocmask(SIG_SETMASK, [], [pid 6477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6477] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] close(18 [pid 6481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6477] <... futex resumed>) = 0 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6481] <... bpf resumed>) = 4 [pid 6477] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6481] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6471] close(19 [pid 6481] <... futex resumed>) = 0 [pid 6477] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6481] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] <... futex resumed>) = 0 [pid 6477] <... futex resumed>) = 1 [pid 6471] close(20 [pid 6480] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 6477] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] close(21) = -1 EBADF (Bad file descriptor) [pid 6471] close(22) = -1 EBADF (Bad file descriptor) [pid 6471] close(23) = -1 EBADF (Bad file descriptor) [pid 6471] close(24) = -1 EBADF (Bad file descriptor) [pid 6471] close(25) = -1 EBADF (Bad file descriptor) [pid 6471] close(26) = -1 EBADF (Bad file descriptor) [pid 6471] close(27) = -1 EBADF (Bad file descriptor) [pid 6471] close(28) = -1 EBADF (Bad file descriptor) [pid 6471] close(29) = -1 EBADF (Bad file descriptor) [pid 6471] exit_group(0 [pid 6473] <... futex resumed>) = ? [pid 6471] <... exit_group resumed>) = ? [pid 6474] <... futex resumed>) = ? [pid 6473] +++ exited with 0 +++ [pid 6474] +++ exited with 0 +++ [pid 6471] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 293] umount2("./4704", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./4704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555556878730 /* 6 entries */, 32768) = 176 [pid 293] umount2("./4704/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4704/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4704/cgroup.cpu") = 0 [pid 293] umount2("./4704/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4704/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4704/binderfs") = 0 [pid 293] umount2("./4704/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4704/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4704/cgroup") = 0 [pid 293] umount2("./4704/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./4704/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./4704/cgroup.net") = 0 [pid 293] getdents64(3, 0x555556878730 /* 0 entries */, 32768) = 0 [pid 293] close(3) = 0 [pid 293] rmdir("./4704") = 0 [pid 293] mkdir("./4705", 0777) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6482 attached [pid 6482] set_robust_list(0x5555568776a0, 24 [pid 293] <... clone resumed>, child_tidptr=0x555556877690) = 13877 [pid 6482] <... set_robust_list resumed>) = 0 [pid 6482] chdir("./4705") = 0 [pid 6482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6482] setpgid(0, 0) = 0 [pid 6482] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6482] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6482] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6464] <... close resumed>) = 0 [pid 6482] <... openat resumed>) = 3 [pid 6470] <... close resumed>) = 0 [pid 6464] close(6 [pid 6482] write(3, "1000", 4 [pid 6470] close(6 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] <... write resumed>) = 4 [pid 6464] close(7 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] close(3 [pid 6470] close(7 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] <... close resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(8 [pid 6482] symlink("/dev/binderfs", "./binderfs" [pid 6470] close(8 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] <... symlink resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(9 [pid 6482] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] close(9 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] <... futex resumed>) = 0 [pid 6464] close(10 [pid 6482] rt_sigaction(SIGRT_1, {sa_handler=0x7fd4ce1a1d50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd4ce192ed0}, [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6464] close(11 [pid 6470] close(10 [pid 6482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6464] close(12 [pid 6470] close(11 [pid 6482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] <... mmap resumed>) = 0x7fd4ce11b000 [pid 6470] close(12 [pid 6464] close(13 [pid 6482] mprotect(0x7fd4ce11c000, 131072, PROT_READ|PROT_WRITE [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] <... mprotect resumed>) = 0 [pid 6464] close(14 [pid 6482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6470] close(13 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(15 [pid 6482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce13b990, parent_tid=0x7fd4ce13b990, exit_signal=0, stack=0x7fd4ce11b000, stack_size=0x20300, tls=0x7fd4ce13b6c0} [pid 6470] close(14 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(16./strace-static-x86_64: Process 6483 attached [pid 6482] <... clone3 resumed> => {parent_tid=[13878]}, 88) = 13878 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6483] set_robust_list(0x7fd4ce13b9a0, 24 [pid 6482] rt_sigprocmask(SIG_SETMASK, [], [pid 6470] close(15 [pid 6464] close(17 [pid 6483] <... set_robust_list resumed>) = 0 [pid 6482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] rt_sigprocmask(SIG_SETMASK, [], [pid 6470] close(16 [pid 6464] close(18 [pid 6483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6482] <... futex resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6483] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6482] futex(0x7fd4ce2063ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] close(17 [pid 6464] close(19 [pid 6483] <... bpf resumed>) = 3 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6483] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] close(18 [pid 6464] close(20) = -1 EBADF (Bad file descriptor) [pid 6464] close(21 [pid 6483] <... futex resumed>) = 1 [pid 6482] <... futex resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6483] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] futex(0x7fd4ce2063e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] close(19 [pid 6464] close(22 [pid 6483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6482] <... futex resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6483] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 6482] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] close(20 [pid 6464] close(23 [pid 6482] <... futex resumed>) = 0 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6464] close(24 [pid 6482] <... mmap resumed>) = 0x7fd4ce0fa000 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6483] <... bpf resumed>) = 0 [pid 6482] mprotect(0x7fd4ce0fb000, 131072, PROT_READ|PROT_WRITE [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(25 [pid 6483] futex(0x7fd4ce2063ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] <... mprotect resumed>) = 0 [pid 6470] close(21 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6483] <... futex resumed>) = 0 [pid 6482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(26 [pid 6483] futex(0x7fd4ce2063e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6470] close(22 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd4ce11a990, parent_tid=0x7fd4ce11a990, exit_signal=0, stack=0x7fd4ce0fa000, stack_size=0x20300, tls=0x7fd4ce11a6c0} [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(27./strace-static-x86_64: Process 6484 attached [pid 6470] close(23 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6484] set_robust_list(0x7fd4ce11a9a0, 24 [pid 6482] <... clone3 resumed> => {parent_tid=[13879]}, 88) = 13879 [pid 6464] close(28 [pid 6482] rt_sigprocmask(SIG_SETMASK, [], [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6484] <... set_robust_list resumed>) = 0 [pid 6482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6470] close(24 [pid 6464] close(29 [pid 6482] futex(0x7fd4ce2063f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6484] rt_sigprocmask(SIG_SETMASK, [], [pid 6482] <... futex resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] exit_group(0 [pid 6484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6482] futex(0x7fd4ce2063fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] close(25 [pid 6469] <... futex resumed>) = ? [pid 6467] <... futex resumed>) = ? [pid 6464] <... exit_group resumed>) = ? [pid 6484] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] +++ exited with 0 +++ [pid 6467] +++ exited with 0 +++ [pid 6464] +++ exited with 0 +++ [pid 6484] <... bpf resumed>) = 4 [pid 6470] close(26 [pid 6484] futex(0x7fd4ce2063fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6484] <... futex resumed>) = 1 [pid 6470] close(27 [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 6484] futex(0x7fd4ce2063f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 294] <... restart_syscall resumed>) = 0 [pid 6470] close(28) = -1 EBADF (Bad file descriptor) [pid 6482] <... futex resumed>) = 0